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kenwood TKR-751/851 User Manual

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1. 13 6V DC 15 10 8 15 6V Current Drain Standby 0 8A Standby w power save 0 3A Operating mode DC IN Backup FAN Temp SAVE ON DISP OFF Receive 1 2A Transmit Receive Less than 8A Duty Cycle Receive 100 Transmit 100 1 25W Frequency Stability Less than 0 00015 30 C to 60 C 22 F to 140 F Antenna Impedance 50 Operating Temperature Range 30 C to 60 C 22 F to 140 F Dimensions 483 19 W x 88 3 1 2 H x 340 13 1 3 D mm inch Weight 9 7kg 21 4 lbs RECEIVER Measured by TIA EIA 603 Sensitivity 12dB SINAD 0 35 V 116dBm 20dB Quieting 0 45 V 114dBm Selectivity Wide 83dB 25kHz Narrow 75dB 12 5kHz Intermodulation Wide 78dB 25kHz 50kHz Narrow 75dB 12 5kHz 25kHz Hum and Noise Wide 50dB Narrow 45dB Spurious amp Image Rejection 90dB
2. Ground 2 SRR I Switching signal input for RX VCO 3 8CL I 8V input through the ripple filter 4 CV I RX PLL lock voltage 5 9CL I 9V input through the ripple filter 6 NC No connection CN351 1 VO O RX VCO output 2 GND Ground TX VCO Unit X58 4810 10 Connector Terminal Terminal I O Terminal function No No Name CN300 1 FIN I Prescaler RF signal input 2 5C I Common 5V input 3 LDT O Lock detector for TX PLL 4 EPT I Enable input for TX PLL 5 DP I Data input for PLL 6 CP I Clock input for PLL 7 REF I Reference frequency signal input CN350 1 GND Ground 2 STT I Switching signal input for TX VCO TERMINAL FUNCTION TKR 851 49 Connector Terminal Terminal I O Terminal function No No Name 3 8CL I 8V input through the ripple filter 4 CV I RX PLL lock voltage 5 9CL I 9V input through the ripple filter 6 MO I Modulation signal input CN351 1 VO O TX VCO output 2 GND Ground ACC 25 pin D sub Connector Connector Terminal Terminal I O Terminal function No No Name 1 NC No connection 2 RXD2 I Serial data to radio 3 TXD2 O Serial data from radio 4 AI1 I Programmable function input 1 5 AI2 I Programmable function input 2 6 AI3 I Programmable function input 3 7 DG Control line ground 8 TD I TX data input data or signalling Input impedance 6
3. Type of Emission 16K0F3E 14K0F3E 8K50F3E 14K0F2D 12K0F2D 7K50F2D Modulation Limiting 5kHz at 25kHz 4kHz at 20kHz 2 5kHz at 12 5kHz Spurious Emission 36dBm 1GHz 30dBm gt 1GHz FM Noise EIA 25kHz 50dB 20kHz 48dB 12 5kHz 45dB Modulation Distortion Less than 3 at 1000Hz Microphone Impedance 600 Band Spread 30MHz KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD U S A CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembr cker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS BELGIUM N V Leuvensesteenweg 248 J 1800 Vilvoorde Belgium KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 75018 Paris France KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD18 9EB United Kingdom KENWOOD ELECTRONICS EUROPE B V Amsterdamseweg 37 1422 AC Uithoorn The Netherlands KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano Italy K
4. Wide 4kHz 2 CH 2 PC adj 0 05kHz Transmission 0 8kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 0 5kHz 32 5 tone 1 CH 2 PC adj 0 1kHz deviation Deviation meter filter 3 0kHz E type only HPF OFF LPF 15kHz Wide De emphasis OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 1 5kHz TKR 851 45 Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT 33 Repeat 1 CH 2 SSG Rear RX ANT PC adj 0 1kHz gain level SSG output 53dBm 1kHz Wide SSG MOD 1kHz MOD ANA TX ANT SSG DEV 1kHz or Deviation meter filter Deviation HPF OFF meter LPF 15kHz Oscilloscope De emphasis OFF Transmission Wide 4kHz 2 CH 2 Transmission Narrow 3 CH 2 Transmission When RF Power Down Detect is programmed in the AUXO function threshold of transmission output is set with the following nemu 34 Power 1 CH 2 High power Power meter Rear TX ANT PC adj down detect 10 0W High Factory default Low 2 CH 2 Low power PC adj 0 4W Factory default Confirmation and Alignment of Set up to Prevent Receiver Desensitization 1 Confirmation of Duplexer alignment The duplexer allows the Repeater to simultaneously trans mit and receive To accomplish this in the programmed re ceive fr
5. 100p R630 47k R807 47k X601 16 515M SDT0 TAS C817 47u25 RSSI RXD1 R813 47k IC617 NJM4558E 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V C782 1u R783 1k C746 10u10 SPM R754 47k C722 10u10 R719 150k WR SDTI CN601 E40 5701 05 1 14 DL5 CP611 10 4 R804 1k A3 D7 SOE R724 0 R782 47k C775 1u25 R714 22k D0 C842 1u25 D0 INTx R602 4 7k ENR C714 10u10 C642 0 01u C736 1800p R646 47k R698 10k C748 0 01u R836 47k C785 0 1u C841 1u C718 0 01u R791 1k R616 47k R642 1k C813 1000p R775 47k D5 HCS C811 47u25 R752 0 DAT C649 33p R805 47k C837 0 01u C790 100p C796 1000p 1 16 17 A3 A2 A1 A0 IO0 IO1 IO2 GND IO3 IO4 IO5 IO6 IO7 CE A10 32 OE LD1 PTT SOE Q607 DTC144EUA R721 22k CLK C800 47u25 C710 10u10 IO2 C697 10u10 R728 22k D4 D616 DA204U R641 0 C807 1000p C779 1u25 DL2 KEY5 R790 47k TXD0 FWD R666 47k DP R605 100k AI3 CP DL2 R702 47k R803 47k R653 0 A5 R760 1 2k R834 3 3k KEY2 D612 DA204U C757 10u10 R680 22k C836 0 01u C777 1u25 R820 10k C802 1000p C712 0 01u C713 10u10 R663 47k C756 10u10 R776
6. 4 41 37 35x2 36 16 21 15 47x2 Fx2 Kx14 Fx2 Nx2 Hx6 R R Bx2 Mx4 Ex4 Ax2 Bx2 F F 702 701 Dx3 Gx3 706 706 704 Final B 2 nal A 2 703 704 705 Parts with the exploded numbers larger than 700 are not supplied TKR 851 36 PACKING E F 1 2 3 BACK UP 48 Cushion G13 1801 04 49 Cushion G13 1802 04 53 Protetion bag H25 0747 04 61 Hardware fixture J21 8402 04 708 Warranty card K 707 Pamphlet E 8 Front glass B10 2635 04 9 Filter B11 1259 04 55 Protection bag H25 2328 04 710 Packing fixture 712 Packing fixture 711 Packing fixture 713 Protection bag 709 Carton board 57 Item carton case H52 2013 02 17 DC cord E30 3427 15 54 Protection bag H25 0762 04 65 Handle K01 0418 05 18 TEST SPKR plug E31 3228 05 35 Fuse Blade 10A 32V F06 1032 05 52 Protection bag H25 0029 04 11 Instruction manual B62 1774 00 E B62 1775 00 K 52 Protection bag H25 0029 04 59 Foot J02 0475 05 x 2 60 Foot J02 0492 04 x 2 62 Grommet J59 0302 05 x 2 C Binding head machine screw N30 4006 46 x 2 J Binding head machine screw N35 3006 45 x 5 Parts with the exploded numbers larger than 700 are not supplied TKR 851 37 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications 1 Standard Signal Generator Frequency Range 400 to 51
7. 4 7k C83 0 01u R358 47 R308 56 C374 0 5p TC351 8p D353 1SV282 L353 1u C314 12p L361 1 5u R305 0 Q354 DTC114EUA C363 15p 1 VC 2 GND 3 OUT 4 VDC R356 220 R365 33k R357 180 EPR L355 1u R76 100k C307 470p R75 22 R360 4 7k R352 0 C308 0 1u L351 1u L350 1u C359 1 5p R314 470k R301 100 R367 100 C324 0 22u35 C379 4p C377 470p R73 470k L359 1 5u C306 0 01u L303 22n C310 0 1u C358 1 5p C320 2 2u10 C321 4p R302 100 C317 7p L354 1u R303 100 C91 4p C367 7p R322 10k C372 470p R355 33 C354 470p R311 10k R155 1k C90 0 01u C84 0 01u FIN 9 5C 10 LDR 11 EPR 12 DP 13 CP 14 REF 15 C322 470p 2SC4116 GR Q301 C311 0 1u35 C365 470p 5CR 7 8 C366 7p C375 0 5p R359 47 C376 470p CP C305 1000p C357 470p R306 22 C371 10p IC2 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 R300 10 R88 1k R318 0 R362 4 7k IC300 SA7025DK 1 2 3 4 5 6 7 8 9 10 11 PHA 12 VSSA 13 PHI 14 PHP 15 VDDA 16 RN 17 RF 18 LOCK 19 TEST 20 VDD C386 100p C351 470p C350 470p C116 10p L32 10u C117
8. C717 470p R731 4 7k C716 470p LRCK R830 56k R819 10k C741 0 01u HCNTL1 XF SFT DL1 1 OUT1 2 IN1 3 IN1 4 VEE 5 6 7 8 DL7 C734 27p BCLK R829 220k L606 HCNTL0 C755 470p DL0 C835 0 1u R828 27k C735 15p C732 470p R692 0 R703 0 C738 0 01u C824 4700p C838 0 01u R699 0 C707 0 01u C830 0 01u C753 10u10 R705 47k IC612 TC7S04FU 1 NC 2 IN 3 GND 4 5 C693 10u10 C754 10u10 C742 470p R720 47k DL5 R730 100 IC613 TC74VHC4040FT 1 Q12 Q6 Q5 Q7 Q4 Q3 Q2 8 GND 9 16 C833 0 01u R697 100 R693 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 NC7 38 NC8 39 HCNTL0 40 VSS6 41 BCLKR0 42 BCLKR1 43 BFSR0 44 BFSR1 45 BDR0 46 HCNTL1 47 BDR1 48 BCLKX0 49 BCLKX1 50 VSS7 51 HINT TOUT1 52 CVDD3 53 BFSX0 54 BFSX1 55 HRDY 56 DVDD3 57 VSS8 58 HD0 59 BDX0 60 BDX1 61 IACK 62 HBIL 63 NMI 64 INT0 65 INT1 66 INT2 67 INT3 68 CVDD4 69 HD1 70 VSS9 71 NC9 72 NC10 73 NC11 74 NC12 75 DVDD4 76 VSS12 77 CLKMD1 78 CLKMD2 79 CLKMD3 80 NC13 81 HD2 82 TOUT0 83 EMU0 84 EMU1 OFF 85 TDO 86 TDI 8
9. FAB 1 2 FAG 1 3 B B E CN5 Vg Q4 G D 8T CN1 TX IN 1 4 5 8 TKR 851 PC BOARD FINAL UNIT X45 3742 71 Component side view J72 0911 09 Ref No Address IC3 8J Q1 9H Q2 9G Q3 8F Ref No Address Q4 6I Q5 5L Q8 8K D2 8I Ref No Address D4 7P D5 9Q D7 3J D8 6E Ref No Address D9 6E D51 7B D52 8B 53 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C27 C28 C29 C30 C40 C43 C44 C46 C48 C54 C55 C59 C61 C69 C70 C71 C72 R42 C75 C81 C83 C86 C89 D4 D5 D7 L7 C166 L9 L11 L12 IC3 C118 C120 C121 C122 8T C123 C124 R22 R23 R24 26 Q8 R31 C165 R34 R35 R36 R37 R38 R40 L17 R73 L16 R41 R44 R45 VR1 C160 R55 R56 R57 R58 R59 R60 R62 R72 CN3 1 4 5 8 PDT VTH Vg PC DET TH1 Q5 G D 1 8 GND NC 8T PC FAS PDT BUP TMP REV FWD ANT J72 0911 09 A 2 PC BOARD TKR 851 FINAL UNIT X45 3742 71 Component side view J72 0911 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 1
10. Foil side Layer 1 Layer 2 Layer 3 Layer 4 J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C37 C48 C51 C53 C58 C59 C60 C213 C214 C14 C15 C64 C216 C66 C217 C67 Q16 B C E Q17 C74 C76 A1 Q26 Q27 D1 A9 D2 F1 TX XF1 XF2 CN14 CN15 CN16 CN18 CN19 1 GND NC 8T PC FAS PDT BUP TMP 8 R11 R10 K1 R13 L2 L4 L5 R128 R129 R137 R138 R139 L14 L15 1 2 L16 L17 SRR STT SOE CK QS STB4 5CR LD2 DT FCR R140 L18 R141 L19 R142 L20 1 3 E B B L24 IC4 I G O IC5 O G I IC9 1 10 11 20 CF1 WIDE CF2 NARROW C124 C125 L33 C136 C137 Q4 C138 C139 R30 R31 R32 C144 C147 R41 R44 R45 R46 C158 C159 R169 R181 R182 R50 C160 C161 R54 R57 R60 R61 C171 R62 C172 R63 C173 1 35 2 36 NC NC ASQ SC CP EPT LDT CK FWD BUP TMP GND MO GND NC SB SB 8C DET GND RSSI DP EPR LDR DT STB LD2 PSW SOE MB GND QS SB SB NC 8C C174 R65 R69 R70 CN1 CN2 CN3 CN4 X1 1 2 IC10 I O G PSW SB 8CR MO WIDE
11. GND SB LD2 RSSI SB SB FWD MB 8C CP STB DT 8C EPT NC ASQ QS TMP PSW LDR BUP GND CK DET EPR 1 11 11 1 MAIN DC MAIN DC GND BACKUP 1 8 1 12 TEST SPKR 9 12 29 30 1 2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W2 W1 2 FAG B 8V AVR 8V AVR 9V AVR 5CR SB 8CT 8C 9C SUB UNIT RX VCO PLL X58 480 SUB UNIT TX VCO PLL X58 481 SB SB 8C 1 8C 3 3A 1 8V AVR 3 3D 3 3V AVR 3 3V AVR 5C 5V AVR 5V AVR 5V AVR 5V AVR 5V AVR 5CT 8CR 5V AVR 5V AVR 5M 52 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C20 C21 C22 C23 C24 C26 C31 C32 C33 C34 C35 C36 C38 C40 C39 C41 C43 C51 C69 C70 C80 C1 C3 C6 C7 C8 D2 D7 D8 D9 F1 K1 L1 L2 L3 L5 L6 L14 L15 CN51 CN52 D51 D52 IC3 C119 C120 R11 R12 R13 8T 8T R14 R15 R16 R17 R18 R19 R20 R21 Q1 Q2 R26 Q3 D S G R1 R2 R3 R4 R8 R9 R46 R47 R48 R49 R55 R59 R61 R62 C12 C13 C14 C17 GND B2 GND B1 Main DC Back up battery J72 0911 09 B 2 B1 GND B2 CN6 MAIN DC RED CN7 BACKUP ORANGE CN8 GND BLACK CHARGE CN4
12. KEY3 PF6 PF5 PF4 PF3 PF2 PF1 DISPLAY UNIT X54 3330 21 A 2 CALL TX BACKUP MAIN DC MIC AMP LEVEL CONTROLLER AF DETECTOR 7SEGMENT 7SEGMENT DC SW DC SW DC SW DC SW DC SW SHIFT REGISTER SHIFT REGISTER SURGE ABSORPTION D512 513 514 SHIFT REGISTER D508 511 SURGE ABSORPTION DC SW CLK SOE SOE CLK BUSYC BUSYC SHIFT REGISTER DC SW DC SW DC SW VOLTAGE REGULATOR VOLTAGE REGULATOR DC SW DC SW DC SW DC SW POWLEDC POWLEDC HK 5M PTT MIC VLI MIG SB DISPLAY UNIT X54 3330 21 B 2 AF DETECTOR LEVEL CONTROLLER SURGE ABSORPTION D601 602 DAT BUSY STRB DATA CLK Q1 Q2 Q3 Q4 VSS STRB DATA CLK Q1 Q2 Q3 Q4 VSS TX RX UNIT X57 6962 70 B 2 CN600 R519 1 2k 1 2W B IN B IN BOUT V STRB DATA CLK Q1 Q2 Q3 Q4 VSS MIG MIC VLI 5M HK PTT SB DAT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 STRB DATA CLK Q1 Q2 Q3 Q4 VSS D603 MINISMDC020 CURRENT PROTECTOR HK MIC MIG PTT GND NC SB NC GND 5M VLI D509 DA204U DA204U D510 D511 DA204U D508 DA204U Q504 UPA672T Q503 UPA672T Q506 DTA114EUA Q508 DTA114EUA DC SW Q509 DTA114EUA DC SW DC SW Q511 DTA114EUA DC SW LED LED LED D505 B30 2
13. TKR 851 83 TA SW TAS SW MIC MIS RD DET EEPROM IC600 AT2408N10S12 5 TXD0 RXD0 IO1 6 SFT SW Q600 2SK1824 X600 14 754M DAT CLK SOE Shift Reg IC623 BU4094BCF RSSI RD A01 5 SPI SP CN605 CN604 CN603 D626 MINISMDE190 SPO INT SP TX RX unit CONTROL X57 CN600 SB PSW TEST SPKR INV INV BUP TEMP Q602 2SK1824 Q601 DTC114EUA 5C SB PTT TXD HK RXD KEY1 5 5V AVR 5V AVR 5V 5V IC506 TA78L05F IC507 TA78L05F Shift Reg 4 IC502 BU4094BCFV Shift Reg 3 IC505 BU4094BCFV Shift Reg 2 IC504 BU4094BCFV Shift Reg 1 IC503 BU4094BCFV SW SW SW Q510 Q511 DTA114EUA x 5 SW SW SW Q508 AMP ATT DET D501 502 HSM88AS VR501 IC501 NJM4558E Q501 2SC4116 Y Q502 2SA1586 Y GR MIC Q516 519 UPA627T Q521 524 UPA627T KEY1 5 S501 S502 S503 S504 S505 PF1 5 Q512 514 UPA627T D506 D507 S507 Power source SW Main DC Back UP BUSY CALL TX D505 D504 D503 VLI PSW DAT SO SI SI SO SO SI CLK SOE STB1 CLK SOE STB1 CLK SOE STB1 CLK SOE STB1 CN502 CN601 CN501 VR601 AF VOL MIC JACK VLI Display unit X54 333 A 2 Display unit X54 333 B 2 SB SB D603 PTT TXD HK RXD SB CLK SOE STB1 Q509 Q506 SOE STB1 CLK DAT KEY1 5 VLI TXD1 RXD1 PTT SCL SDA L BLOCK DIAGRAM TKR 851 84 AINL AINR IC610
14. VCC IC632 TA75W01FU 2SK1824 Q604 DC SW IC618 320VC5402PGE DSP TX RX UNIT X57 6962 70 B 2 SCHEMATIC DIAGRAM TKR 851 81 T S R Q P X57 696 B 2 4 5 t t IC610 TA75S01F 1 2 3 4 OUT 5 VCC R671 22k R681 18k C768 100p C780 1u R736 47k AMPSW R718 47k CLK R722 330k C700 10u10 C786 0 1u R668 18k SPM C769 10u6 3 C770 10u6 3 R710 47k C690 100p C817 47u25 IC617 NJM4558E 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V C782 1u C746 10u10 C722 10u10 R719 150k C775 1u25 R714 22k C642 0 01u C736 1800p C785 0 1u C841 1u C649 33p LD1 R721 22k C697 10u10 R728 22k C779 1u25 R653 0 R680 22k C777 1u25 C743 0 01u SDTO R747 10k 1 2 3 4 CONT 5 VCC IC619 TC75W51FU 1 2 3 4 5 IN B 6 IN B 7 OUT B 8 VDD C761 0 1u R844 330k C652 100p C822 100p R841 0 C801 10u6 3 C825 0 1u C740 100p R729 22k C771 10u6 3 C647 100p 1 VSS 2 VIN 3 VOUT R739 10k R715 10k C826 10u6 3 R669 22k R744 39k TDS C662 10u10 R654 0 MIS C781 1u RXD0 R735 33k R679 22k C758 1u C729 10u10 C698 10u10 C728 0 01u R745 47k R740 100k R682 15k R675 100k R683
15. VOUT5 VOUT6 VIN6 DO VDAref RESET GND VIN7 VOUT7 VOUT8 VIN8 CN606 D600 DA204U CN600 E40 6102 05 SB SB GND NC DAT PSW STB1 CLK SOE PTT TXD1 K1 HK RXD1 K2 K3 K4 K5 VLI 5C MIG MIC DISPLAY UNIT X54 3330 21 A 2 CN502 CN602 E40 6009 05 X57 6962 70 A 2 CN14 TX RX UNIT TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND QS Q S Q8 Q7 Q6 Q5 OE VDD SDA SCL WP VCC TXI RXO GND MB DEI MIC RXI MO 5C DATA TXO TXI DATA RXO MB TXO RXI MO GND MIC DEI 5C SFT 8C SB GND GND SDA SCL CNVSS RESET XOUT XIN GND3 B8 B7 B6 B5 B4 B3 B2 B1 G VCCB1 VCCB2 GND3 B8 B7 B6 B5 B4 B3 B2 B1 G VCCB1 VCCB2 IC609 AT29C020 90TI A11 A9 A8 A13 A14 A17 WE VCC A18 A16 A15 A12 A7 A6 A5 A4 CP606 4 7k 2 CP607 1k 2 CP609 100 2 KEY3 KEY2 KEY1 D7 D6 D5 D4 D3 D2 D1 D0 FWD RSSI ASQ VLI BATT AI1 AI2 AVss AI3 Vref AVcc STB1 SOE IO6 A17 A16 A15 A14 A13 A12 A11 A10 A9 Vcc A8 Vss A7 A6 A5 A4 A3 A2 A1 A0 EMON LDR LDT KEY5 KEY4 IC604 30622M4A 487GP CPU CP619
16. 2 COM 3 IN 1 OUT R700 100 R815 100k R624 0 R717 47k MCLK C679 10u10 C737 27p R810 1k SCLK CP608 1k 2 A14 R629 0 C750 0 01u MIS DL1 WR Q603 DTC114EUA C694 10u10 A5 C745 10u10 ENT STB C721 10u10 D3 R825 820k L600 C767 100p C739 180p A1 BATT C766 100p C703 0 1u A16 PTT R749 0 R812 22k C648 0 01u L603 LRCK C616 0 01u C670 0 47u25 R686 100k R789 1k IC614 AK4550VT 1 VCOM AINR AINL VSS VDD DEMO DEM1 8 SDTO 9 16 RD SC IC631 TA75W01FU 1 OUT1 2 IN1 3 IN1 4 VEE 5 6 7 8 R837 3 3k R684 47k R723 0 IO1 C843 0 1u R635 1k D626 MINISMDE190 A13 MCLK C708 0 01u D7 C684 100p C614 0 01u FWD A1 AM D606 DA204U C821 100p C797 1000p HCSL 1 VSS 2 VIN 3 VOUT 1 20 R652 1k C623 0 1u BCLK SDTI ASQ L608 BCLK R734 47k R631 47k C819 1000p C717 470p L612 CP601 1k 2 A3 LD2 A7 RD Q608 DTC144EUA C789 330u25 R712 47k R795 1k R767 47k STB IO5 R731 4 7k R690 47k CLK D2 CP604 1k 2 C716 470p R798 47k A18 C808 1000p R674 82k LRCK A8 C827 100u10 R639 0 C645 10u10 R685 100k R830 56k R650 1k R615 0 2 COM 3 IN
17. 2004 5 PRINTED IN JAPAN B51 8684 00 N 987 UHF FM REPEATER TKR 851 SERVICE MANUAL UHF FM REPEATER TKR 851 Front panel A62 0934 03 Knob DC source K29 9106 04 Key top K29 5460 02 Knob Volume K29 5389 03 Modular jack E08 0877 05 Antenna cable N E30 7528 05 Antenna cable BNC E30 3418 05 TEST SPKR connector assy E37 0913 05 D sub cable assy E37 0904 05 DC backup terminal E70 0402 05 DC cord Ext DC in E30 3414 05 Fuse Blade 10A 32V F06 1032 05 x 2 GENERAL 2 SYSTEM SET UP 2 OPERATING FEATURES 3 REALIGNMENT 4 INSTALLATION 5 MODIFICATION 8 DISASSEMBLY FOR REPAIR 10 CIRCUIT DESCRIPTION 11 SEMICONDUCTOR DATA 18 COMPONENTS DESCRIPTION 20 PARTS LIST 22 EXPLODED VIEW 34 PACKING 36 ADJUSTMENT
18. 3 Start up the program for the adjustment 4 RX PLL lock 1 RX VCO A high DVM TX RX RX CV RX VCO TC350 1 50V 0 1V voltage CH 11 K A 2 A3 CH 10 E 2 RX VCO A low Check 8V or less CH 10 K CH 1 E 3 RX VCO B high RX VCO TC351 1 50V 0 1V CH 3 K A3 CH 11 E 4 RX VCO B low Check 8V or less CH 5 K CH 6 E 5 TX PLL lock 1 TX VCO high TX CV TX VCO TC350 1 50V 0 1V voltage CH 3 A2 2 TX VCO low Check 8V or less CH 1 6 RX 1 Connect the frequency f counter CN3 PC adj 50Hz or less frequency counter to CN3 then Test CH 44 85MHz measure the frequency CH 2 Note RX frequency means the local frequency of the RX VCO So its frequency is wanted frequency minus the IF frequency Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT Alignment TKR 851 40 Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT 7 Setting 1 Remove 8 pin cable and the coaxial cable from CN16 and CN19 on TX RX side 8 TX 1 Connect the frequency f counter TX RX CN19 PC adj 50Hz or less frequency counter to CN19 then A 2 measure the frequency CH 2 9 Setting 1 Insert 8 pin cable and the coaxial cable to CN16 and CN19 on TX RX side 10 Maximum 1 Measure the RF power at Power meter Rear TX A
19. 73 LDT I TX VCO lock detect H Lock L Unlock 74 75 KEY5 KEY4 O Key matrix output 76 78 KEY3 KEY1 I Key matrix input 79 86 D7 D0 I O Flash ROM data bus 87 FWD I RF power down level input 88 RSSI I RSSI level input 89 ASQ I Squelch level input 90 VLI I Volume level input 91 BATT I Power supply voltage level input 92 AI1 I Aux input No 1 Acc D sub 25 pin 93 AI2 I Aux input No 2 Acc D sub 25 pin 94 AVss GND 95 AI3 I Aux input No 3 Acc D sub 25 pin 96 Vref 5V 97 AVcc 5V 98 STB1 O Display shift register STB 99 SOE O Shift register common OE 100 IO6 I O Aux I O No 6 Acc D sub 25 pin SEMICONDUCTOR DATA Main CPU 30622M4A 487GP TX RX unit IC604 TKR 851 19 DSP 320VC5402PGE TX RX unit IC618 Pin Function Pin No Name I O Function 1 2 NC1 NC2 Not used No connection 3 Vss GND 4 DVDD VDD for I O pins 3 3V 5 A0 O Not used No connection 6 HD0 I O HPI data bus 7 11 A1 A5 O Not used No connection 12 NC3 Not used No connection 13 HAS I HPI address strobe Pull up 14 Vss GND 15 NC4 Not used No connection 16 CVDD VDD for core CPU 1 8V 17 HCS I HPI chip select 18 HR W I HPI read write 19 READY I Data ready Pull up 20 PS O Not used No connection 21 DS O Not used No connection 22 IS O
20. A 2 Foil side view J72 0924 09 A 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC1 4C IC2 10D IC3 10E IC6 9K IC7 9L IC11 6E Ref No Address Q1 3N Q2 7J Q3 7O Q5 9N Q6 9M Q7 10O Ref No Address Q8 8C Q9 8D Q10 7E Q11 3B Q12 9G Q13 4G Ref No Address Q14 10G Q15 5G Q18 5E Q19 5E Q23 3D Q24 9R Ref No Address Q25 9R D3 7Q D4 8Q D5 11O D7 9S D8 3D Ref No Address D11 10N D12 9Q D13 11N 64 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R601 R603 R604 R605 CN600 C600 R836 C806 C613 C623 C825 C826 C644 C645 C646 D600 IC601 G I O C691 IC624 IC627 O G I IC628 O I G O G I C766 C769 20 MIC 5C K5 K3 HK RXD1 PTT TXD1 CLK PSW NC SB 19 MIG VLI K4 K2 K1 SOE STB1 DAT GND SB 1 2 Q612 L601 L604 L606 L C780 C781 C785 C786 5 TONE 3 3D TMS TD1 DVDD TD0 TCK TCK EMU0 TRST GND NC GND GND GND EMU1 1 J72 0924 09 B 2 TKR 851 PC BOARD TX RX UNIT X57 6962 70 B 2 Component side view J72 0924 09 B 2 Ref No Address IC601 6A IC602 7K IC605 6K IC607 8O IC623 8K IC624 4G IC625 4K IC627 4A Ref No Address IC628 3G IC629 4R IC630 4N Q607 8L Q608 9L
21. C840 4700p 1 IO5 IO4 5TONE IO2 IO1 BYTE CNVss ENT ENR RESET Xout Vss Xin Vcc NMI BUP TMP INT0 CLK DAT SFT LD1 IO3 BEEP 25 LD2 26 RS EPTT PTT TXD1 RXD1 SCLK SDAT TXD0 RXD0 CP DP RDY ALE HOLD HLDA BCLK RD BHE WR STB INTx HCS CS0 A19 50 A18 51 75 76 100 R832 8 2k C696 470p IC608 TA75S01F 1 2 3 4 OUT 5 VCC 2 COM 3 IN 1 OUT C749 470p RS232C TRANSCEIVER SCL DET SFT SDA RA RD MB MO IC603 606 D SUB FLASH ROM ACC DC SW SHIFT REGISTER CODEC AF AMP DC SW TD AF AMP TA COUNTER AF AMP AF AMP 1 8V AVR TX RX UNIT X57 6962 70 B 2 3 3V AVR AF AMP SP DEO AF AMP DEI AF AMP SURGE PROTECTOR INVERTER SB SB 8C 8C SB 8C SB SB 8C 8C SB 5V AVR 5V AVR CONTROL I O CNVSS RESET 3 3V AVR 5V AVR Q609 610 TEST SPKR XOUT XIN VOLTAGE REGULATOR IC624 628 630 AMPSW AF AMP INVERTER CURRENT CONTROL AF MUTE SW CURRENT CONTROL DXD2 CURRENT PROTECTOR RXD2 REVERSE CURRENT PROTECTOR DC SW ANI RD1 D627 628 GND DC SW VOLTAGE DETECTOR RA1 DC SW BUS TRANSCEIVER AF AMP TD1 IC607 INVERTER 5C EEP ROM DATA TAI MULTIPLEXER GND AUDIO AMP VIN5
22. LED LED LED D505 B30 2151 05 IC507 TA78L05F IC506 TA78L05F IN OUT DC SW DC SW 13 10V DISPLAY UNIT X54 3330 21 A 2 A A A A S501 S502 S503 S504 S505 S506 IC503 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD IC502 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD J601 E08 0877 05 1 NC 5 HOOK 2 MIC 6 MIG 3 PTT 7 GND 4 SB 8 NC R605 1k R604 1k C602 1000p R601 680 C603 100p C606 100p C601 100p IC501 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 C513 100p C514 100p C515 100p C516 100p C517 100p C518 100p D501 HSM88AS C508 0 1u R510 220k C506 47p R511 10k C509 0 01u R513 100k R512 10k R514 150k C510 10u10 R529 1k R530 1k R532 1k R531 1k R533 1k R509 10k C507 0 1u C504 0 1u C505 0 1u C502 1 5u10 R508 1k C503 1 5u10 R507 6 8k 2SC4116 Y Q501 R506 10k IC504 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD R517 820 1 2W R503 0 CP502 470 4 CP501 470 4 CP503 470 4 IC505 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q
23. R107 R113 R114 L30 L29 C104 C105 R103 R102 C102 C107 R143 R144 C109 R148 L28 IC1 C111 L25 IC2 1 4 8 5 L26 L27 L31 IC3 O G I L32 A11 R151 R152 R153 R154 R155 R156 R157 R158 R168 R179 C234 L35 R9 C120 C223 C233 C232 L36 C121 L37 C122 L38 R101 C123 L39 R134 R162 L40 R136 R135 C126 R145 C127 R19 C128 R20 C129 R17 C130 R18 C131 C211 C132 C133 C134 C135 Q2 B Q8 Q9 C140 C141 C142 R33 C143 R34 R35 C145 R36 C146 R37 R3 C148 R3 C149 R8 C150 C152 C164 C166 C167 C175 C176 C177 C178 C179 R73 R74 R75 R76 R77 R78 R79 C191 R82 C29 C28 C192 C193 C194 C195 R87 R88 R90 R91 R92 R93 R94 R95 C94 R96 L42 X2 R97 X3 R98 R99 IC11 O G I GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO 1 4 5 8 GND2 VO FIN 5C LDR EPR DP CP REF GND1 SRR 8CL CV 9CL NC J72 0924 09 A 2 TKR 851 PC BOARD TX RX UNIT X57 6962 70 A 2 Foil side view J72 0924 09 A 2 Ref No Address IC1 4C IC2 10D IC3 10E IC6 9K IC7 9L IC11 6E Ref No Address Q1 3N
24. on the rear panel 2 5 Squelch Circuit The output signal from IC9 enters FM IC again then passed through a band pass filter The noise component output from IC9 is amplified by Q7 and rectified by D5 to produce a DC Voltage corresponding to the noise level The DC voltage is sent to the analog port of the CPU IC604 IC9 outputs a DC voltage RSSI corresponding to the in put of the IF amplifier 3 Transmitter Circuit The transmitter circuit consists of the following circuits 3 1 microphone circuit 3 2 modulation level adjustment circuit 3 3 driver and final power amplifier circuit 3 4 automatic power control circuit 3 5 RF power down detect and 3 6 fan action control circuit 3 1 Microphone Circuit The signal from the microphone is passed through AGC circuit located in display unit X54 333 so that it does not saturate This circuit consists of IC501 D501 D502 Q501 and Q502 The AGC is operated by controlling the and side levels of amplitude using the current obtained by posi tive and negative detection of the amplified audio signal The audio signal goes to control section of TX RX unit X57 696 B 2 from display unit X54 333 The transmit audio signal goes to the input of the multi plexer IC IC605 for microphone muting The audio signal is amplified by IC610 input to the AINL terminal of CODEC IC IC614 and audio processed by DSP IC618 The processed audio signal from the AOUTL terminal of IC614 is
25. 1 OUT C723 1u R819 10k C725 47p IC629 LA4422 1 VCC 2 IN 3 NC1 4 DC 5 NFA 6 NFB 7 BS 8 GND 9 NC2 10 OUT R707 22k A2 C765 0 01u C741 0 01u C613 0 01u C706 10u10 HCNTL1 R647 1k A0 TH700 10k STB ENR D5 KEY4 XF R655 47k SFT 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V EMON DL1 R743 47k D2 C646 10u10 A18 LDT LDR R662 1k A6 R787 1k D618 DA204U R640 1k 1 OUT1 2 IN1 3 IN1 4 VEE 5 6 7 8 R786 47k R768 1 2k R793 1k DL7 C685 0 01u C734 27p BCLK R709 22k C803 1000p R676 82k R627 1k R601 0 D608 DA204U SC R610 0 R829 220k R608 0 C726 180p R809 47k C805 1000p C663 1u25 R753 47k R843 270k L606 R649 1k HCNTL0 C804 1000p R741 150k C755 470p A10 ASQ DL0 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V A4 R623 0 D610 DA204U Q609 DTC114EUA D1 R658 47k C724 1800p L611 R609 0 C835 0 1u R828 27k C735 15p HBIL R607 0 R763 10k R840 560 C732 470p C772 100u10 IC616 NJM4558E 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V C760 1000p R692 0 TDS D0 C681 68u6 3 R600 47k SOE R625 1k HCNTL0 R673 220k R703 0 C738 0 01u C824 4700p IO1 C795
26. 100UF 25WV C6 7 CK73GB1H471K CHIP C 470PF K C8 CC73GCH1H080D CHIP C 8 0PF D C10 CK73GB1H471K CHIP C 470PF K C12 15 CK73GB1H471K CHIP C 470PF K C17 CC73GCH1H050C CHIP C 5 0PF C C18 19 CK73GB1H471K CHIP C 470PF K C20 CK73FB1H471K CHIP C 470PF K C21 CC73FCH1H120J CHIP C 12PF J C22 CC73FCH1H060D CHIP C 6 0PF D C23 CK73FB1H471K CHIP C 470PF K C24 C90 4117 05 ELECTRO 100UF 16WV C26 CC73GCH1H471J CHIP C 470PF J C27 CK73GB1H471K CHIP C 470PF K FINAL UNIT X45 3742 71 TKR 851 24 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts C28 CK73FB1E104K CHIP C 0 10UF K C29 CK73GB1H471K CHIP C 470PF K C30 CK73FB1E224K CHIP C 0 22UF K C31 C93 0599 05 CHIP C 470PF K C32 C93 0558 05 CHIP C 8 0PF 500WV C33 34 C93 0565 05 CHIP C 27PF 500WV C35 C93 0599 05 CHIP C 470PF 500WV C36 CK73FB1E104K CHIP C 0 10UF K C38 CK73GB1H471K CHIP C 470PF K C39 C93 0561 05 CHIP C 12PF 500WV C40 C93 0564 05 CHIP C 22PF 500WV C41 C93 0599 05 CHIP C 470PF 500WV C43 CM73F2H220J CHIP C 22PF J C44 C93 0556 05 CHIP C 6 0PF 500WV C46 C93 0599 05 CHIP C 470PF 500WV C48 CK73GB1H471K CHIP C 470PF K C49 CC73GCH1H101J CHIP C 100PF J C50 CK73FB1E104K CHIP C 0 10UF K C51 C90 2143 05 ELECTRO 47UF 25WV C52 CC73GCH1H101J CHIP C 100PF J C53
27. 10K J 1 16W R72 RK73GB1J184J CHIP R 180K J 1 16W R73 RK73FB2A101J CHIP R 100 J 1 10W VR1 R12 6429 05 TRIMMING POT 100K K1 S76 0426 05 RELAY D2 02DZ6 2 Y ZENER DIODE D4 5 HSM88AS DIODE D7 ZSA5A27 ZENER DIODE D8 RB051L 40 DIODE D9 MINISMDC050 02 VARISTOR D10 1SS355 DIODE D51 52 DSA3A1 DIODE IC1 TK11050M ANALOG IC IC2 NJM78L05UA BI POLAR IC IC3 TA75W01FU MOS IC Q1 2SC5110 O TRANSISTOR Q2 2SC3356 R24 TRANSISTOR Q3 2SK2596 FET Q4 PD55008S DRIVE FET Q5 RD60HUF1 01 FINAL FET Q8 2SC4116 Y TRANSISTOR Q9 DTD123EK DIGITAL TRANSISTOR TH1 PTH9M04BE471TS THERMISTOR D503 505 B30 2151 05 LED RED GREEN C501 C92 0628 05 CHIP TAN 10UF 10WV C502 503 C92 0501 05 CHIP TAN 1 5UF 10WV C504 505 CK73GB1C104K CHIP C 0 10UF K C506 CC73GCH1H470J CHIP C 47PF J C507 508 CK73GB1C104K CHIP C 0 10UF K C509 CK73GB1H103K CHIP C 0 010UF K C510 C92 0628 05 CHIP TAN 10UF 10WV C511 512 CK73GB1E103K CHIP C 0 010UF K C513 518 CC73GCH1H101J CHIP C 100PF J C519 520 CK73GB1E103K CHIP C 0 010UF K C521 C92 0628 05 CHIP TAN 10UF 10WV C522 CK73GB1C104K CHIP C 0 10UF K C523 CK73FB1E334K CHIP C 0 33UF K C524 C92 0628 05 CHIP TAN 10UF 10WV C525 CK73GB1C104K CHIP C 0 10UF K C526 CK73FB1E334K CHIP C 0 33UF K C601 CC73GCH1H101J CHIP C 100PF J C602 CK73GB1H102K CHIP C 1000PF K C603 CC73GCH1H101J CHIP C 100PF J C606
28. 10p R175 0 R162 270 MO MB MB FREQUENCY CONTROL FREQUENCY CONTROL PLL FREQUENCY CONTROL A3 SUB UNIT RX VCO PLL X58 4800 10 VCO OSC V RXVCOH DC SW DC SW ACTIVE FILTER FREQUENCY CONTROL BUFFER AMP VCO OSC MO V RXVCOL BUFFER AMP BUFFER AMP VO VO ACTIVE FILTER TP101 RX CV GND SRR 8CL CV 9CL NC GND SRR 8CL CV 9CL NC 2SK508NV K52 Q351 2SK508NV K52 Q350 VO GND 2SC4116 Y Q352 DC SW FIN 5C LDR EPR DP CP REF CLOCK DATA STROBE VSS RFIN RFIN VCCP REFIN RA AUXIN 2SC4226 R24 Q302 X2 16 8MHz 2SC4116 GR Q300 B IN B IN BOUT V 2SC4226 R24 Q355 VO GND L357 L34 4608 82 L356 L34 4608 82 2SC4116 Y Q353 3 0dBm TX RX UNIT X57 6962 70 A 2 TKR 851 SCHEMATIC DIAGRAM 76 K L M N O X57 696 A 2 3 4 C43 3p CN3 C149 0 01u IC10 TA7808F 3 GND 1 IN 2 OUT C137 47u16 C42 3p R32 820 C155 0 01u R101 47 C37 0 01u R46 2 2k 5CT 8CT C150 22u10 R98 1k C145 4 7u10 R33 47 R144 4 7k R106 0 C156 1000p C32 0 01u C36 0 01u R126 10 L15 L34 4526 05 R120 1 5k L13 10u CN1 R130 47k C147 22u10 R93 100 Q17 DTC114EUA C175 1000p IC11 NJM78L05UA 2 COM 3 IN 1 OUT C160 1000p R16
29. 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C49 C50 C52 C53 C77 C78 C79 C91 C92 C93 C94 C95 C96 C97 C98 C99 D10 C100 C101 C102 C103 C104 C105 C106 C107 C108 C109 IC1 IC2 C112 C113 C114 C115 C116 C117 Q9 R6 R7 R50 R51 R52 R53 R54 C10 C15 C18 C19 J72 0911 09 B 2 B1 GND B2 GND B2 GND B1 Main DC Back up battery J72 0911 09 A 2 1 3 4 6 I G O TKR 851 PC BOARD PC BOARD TKR 851 FINAL UNIT X45 3742 71 Foil side view J72 0911 09 FINAL UNIT X45 3742 71 Foil side view J72 0911 09 Ref No Address IC1 7J IC2 9O Q9 8O D10 8O Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 56 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VR601 Q512 J601 S501 PF1 S502 PF2 S503 PF3 S504 PF4 D503 TX IC504 J72 0756 12 B 2 NC MIC PTT SB NC GND MIG HK 1 3 4 6 1 8 1 TKR 851 PC BOARD DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 57 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Q514 S505 PF5 S506 PF6 S507 POWER 503 X D504 BUSY D505 D506 D507 IC504 IC505 J72 0756 12 A 2 1 6
30. 120k AM R732 47k C764 0 01u R742 0 C806 47u25 TAS C715 0 01u 1 12 13 24 C720 10u10 R678 100k 2 COM 3 IN 1 OUT R815 100k R717 47k MCLK C679 10u10 SCLK C721 10u10 C767 100p C739 180p C766 100p C703 0 1u R812 22k C648 0 01u C670 0 47u25 R686 100k IC614 AK4550VT 1 VCOM AINR AINL VSS VDD DEMO DEM1 8 SDTO 9 16 R684 47k C684 100p C821 100p 1 VSS 2 VIN 3 VOUT SDTI R712 47k R690 47k R674 82k R685 100k 2 COM 3 IN 1 OUT C723 1u C725 47p R707 22k C706 10u10 TH700 10k R655 47k 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V R743 47k C685 0 01u R709 22k R676 82k C726 180p C663 1u25 R843 270k R741 150k 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V R658 47k C724 1800p IC616 NJM4558E 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V C681 68u6 3 R673 220k C795 100p R672 100k C704 0 1u C701 10u10 C730 0 01u DAT C692 0 01u 1 VSS 2 VIN 3 VOUT C705 0 01u C776 1u25 R713 27k C823 47u4 Q605 DTC114EUA R657 47k R670 22k C744 10u10 TH701 10k C657 0 01u 1 Y1 Y0 Z1 Z Z0 INH VEE 8 VSS 9 16 C778 1u25 R842 0 LRCK R708 22k R738 270k
31. 13 24 8 3 4 5 IC622 1 3 4 5 CP603 CP604 CP605 IC626 G I O CP606 CP607 CP608 CP609 CP610 IC631 CP611 IC632 1 4 5 8 CP612 CP613 CP614 CP615 CP616 CP617 CP618 CP619 CP620 R700 R701 R702 R703 R704 R705 R707 R708 R709 R710 R712 R713 R714 R715 R717 R718 R719 R720 R721 R722 R723 R724 R726 R727 R728 R729 R730 R731 R732 R733 R734 R735 R736 R737 R738 R739 C700 C701 C703 TH700 R740 C704 TH701 R741 C705 C706 R743 C707 R744 C708 R745 C709 R747 C710 C711 C712 C713 C714 C715 C716 R753 C717 R754 C718 C719 R758 C720 C721 C722 C723 C724 C725 R762 C726 R763 C727 C728 C729 R767 C730 C731 C732 C733 C734 C735 R772 C736 R773 C737 R774 C738 R775 C739 R776 R777 R778 R779 C740 C741 C742 C743 R780 C744 C745 R782 C746 R783 C747 C748 C749 R786 R787 C750 C751 C752 C753 R790 C754 R791 C755 C756 C757 R794 C758 Q600 D S G R795 C759 Q601 Q602 Q603 R798 Q604 G S D R799 Q605 Q606 C761 Q609 C763 C764 C768 Q610 1 8C
32. 15kHz AG Front MIC De emphasis OFF AF VTVM AG 1kHz 50mV Terminal load Transmission Wide 4kHz 2 Low CH TX VCO low PC adj 0 1kHz Center CH VCO center 3 4kHz High CH TX VCO high Transmission Narrow 3 Low CH TX VCO low PC adj 0 1kHz Center CH VCO center 2 05kHz High CH TX VCO high Transmission Note After adjustment of the Max Deviation be sure to check the DQT balance 21 DQT 1 CH 2 MOD ANA Rear TX OUT PC adj Oscilloscope DC range balance Deviation meter filter or Make the de flat A part Wide HPF OFF Deviation modulated waves LPF 3kHz meter into square waves De emphasis OFF Oscilloscope Transmission Wide 4kHz 2 CH 2 Transmission Narrow 3 CH 2 Transmission 22 QT 1 CH 2 MOD ANA Rear TX ANT PC adj 0 05kHz deviation Deviation meter filter or 0 75kHz Wide HPF OFF Deviation LPF 3kHz meter De emphasis OFF Oscilloscope Detector p p 2 Transmission Wide 4kHz 2 CH 2 PC adj 0 05kHz Transmission 0 60kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 0 35kHz A A TKR 851 43 Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT 23 DQT 1 CH 2 MOD ANA Rear TX ANT PC adj 0 05kHz deviation Deviation meter filter or 0 75kHz Wide HPF OFF Deviation LPF 3kHz meter De emphasis
33. 1u R137 1k R57 3 3k C184 1000p D3 DAN235K C61 8p R140 0 C64 0 1u C193 0 01u 8CR L24 L34 4459 05 C56 0 01u C65 10u10 R142 0 R176 47k C54 0 01u C69 0 1u STT R70 1k C195 0 01u C74 1000p FCR D12 02DZ18 X Y R55 22k R68 3 3k C189 1000p IC6 M62354GP 1 2 3 4 5 6 7 8 9 VSS 10 NC2 11 AO3 12 AO4 13 AO5 14 AO6 15 VDD 16 VCC C162 0 01u R138 1k R67 56 R166 22k R52 22k C197 0 033u R139 0 R66 330k R141 0 Q5 DTA144EUA Q4 DTC144EUA L21 10u C194 0 01u C79 0 22u C207 100p C71 0 01u R61 270k 2SC3356 R24 Q3 R83 0 CN14 E40 6009 05 1 NC 2 DET 3 NC 4 GND 5 ASQ 6 RSSI 7 SC 8 DP 9 CP 10 EPR 11 EPT 12 LDR 13 LDT 14 DT 15 CK 16 STB 17 FWD 18 LD2 19 BUP 20 PSW 21 TMP 22 SOE 23 GND 24 MB 25 MO 26 GND 27 GND 28 QS 29 NC 30 SB 31 SB 32 SB 33 SB 34 NC 35 8C 36 8C C217 1000p C191 0 01u CN19 E04 0154 05 R49 220 C67 330p D13 MA742 CN15 E40 5703 05 1 E 2 B 3 B C77 1000p R50 15k C52 0 01u C192 0 01u C70 0 1u CN4 D5 MA742 Q26 DTC114EUA R48 47k EPT K1 S76 0401 05 CP D4 DAN235K C62 0 01u R56 6 8k LDR DP LDT C198 0 1u R62 2 2k C78 0 1u TH1 Q6 DTC144
34. 8 VR1 CN1 TX IN 1 3 CN4 CN5 2 1 CHARGE CN8 GND BLACK CN6 MAIN DC RED CN7 BACKUP ORANGE MCF Wide MCF Narrow Test Channel Default No K E RX TX RX TX 1 450 10 450 00 440 10 440 00 2 465 10 465 00 455 10 455 00 3 479 90 480 00 469 90 470 00 4 455 10 455 00 445 10 445 00 5 460 10 460 00 450 10 450 00 6 470 10 470 00 460 10 460 00 7 475 10 475 00 465 10 465 00 8 462 60 462 50 452 60 452 50 9 467 60 467 50 457 60 457 50 10 440 10 440 00 459 90 460 00 11 459 90 460 00 479 90 480 00 Test Signalling No Decode tone Encode tone 1 None None 2 None 100Hz square wave 3 QT 67 0Hz QT 67 0Hz 4 QT 151 4Hz QT 151 4Hz 5 QT 210 7Hz QT 210 7Hz 6 QT 250 3Hz QT 250 3Hz 7 DQT 023N DQT D023N 8 DQT 754I DQT D754I 9 None CW ID Encode ID VVV 10 None Single Tone 1000Hz 11 DTMF 159D DTMF 159D 12 None DTMF Tone 9 13 None Courtesy Tone 14 None Battery Warning Tone 15 None Battery Operation Tone 16 5 Tone 12345 CCIR 5 Tone 12345 CCIR TKR 851 39 Fine Tuning the TKR 851 ADJUSTMENT items described in the Service Manual for the TKR 851 give the factory default adjustment proce dure covering all adjustment items However it is not necessary to adjust all the items when adjusting the power deviation receiver sensitivity etc at the frequency of the
35. Audio Output Ext Speaker 4W at 4 less than 5 distortion Audio Distortion Ext Speaker Less than 2 5 at 1000Hz Band Spread 5MHz TRANSMITTER Measured by TIA EIA 603 RF Power Output 25W adjustable to 1W 100 duty 1 25W Type of Emission Wide 16K0F3E Narrow 11K0F3E Spurious Response Harmonics 80dB Others 75dB FM Hum and Noise Wide 50dB Narrow 45dB Audio Distortion Less than 3 at 1000Hz Microphone Impedance 600 Band Spread 30MHz TKR 851 SPECIFICATIONS E TYPE GENERAL Frequency Range 440 to 470MHz Number of Channels 16 channel Channel Spacing Wide 5kHz 25kHz Wide 4kHz 20kHz Narrow 12 5kHz PLL channel stepping 5kHz 6 25kHz Operating Voltage 13 2V DC Current Drain Standby 0 8A Standby w power save 0 3A Operating mode DC IN Backup FAN Temp S
36. C764 765 CK73GB1E103K CHIP C 0 010UF K C766 768 CC73GCH1H101J CHIP C 100PF J C769 771 C92 0560 05 CHIP TAN 10UF 6 3WV C772 C92 0823 05 CHIP TAN 100UF 10WV C773 C92 0514 05 CHIP TAN 2 2UF 10WV C774 CK73FB1C105K CHIP C 1 0UF K C775 779 C92 0519 05 CHIP TAN 1 0UF 25WV C780 782 CK73FB1C105K CHIP C 1 0UF K C783 CK73GB1H471K CHIP C 470PF K C784 CK73FB1C105K CHIP C 1 0UF K C785 786 CK73GB1C104K CHIP C 0 10UF K C787 CK73FB1C105K CHIP C 1 0UF K C788 CC73GCH1H101J CHIP C 100PF J C789 CE04EW1E331M ELECTRO 330UF 25WV C790 CC73GCH1H101J CHIP C 100PF J C791 CK73GB1H471K CHIP C 470PF K C792 794 CK73GB1H102K CHIP C 1000PF K C795 CC73GCH1H101J CHIP C 100PF J C796 797 CK73GB1H102K CHIP C 1000PF K C798 CE04EW1E470M ELECTRO 47UF 25WV C799 CK73GB1H102K CHIP C 1000PF K C800 CE04EW1E470M ELECTRO 47UF 25WV C801 C92 0560 05 CHIP TAN 10UF 6 3WV C802 805 CK73GB1H102K CHIP C 1000PF K C806 CE04EW1E470M ELECTRO 47UF 25WV C807 810 CK73GB1H102K CHIP C 1000PF K C811 CE04EW1E470M ELECTRO 47UF 25WV C812 813 CK73GB1H102K CHIP C 1000PF K C814 C92 0777 05 ELECTRO 1000UF 25WV C815 CK73FB1E104K CHIP C 0 10UF K C816 CK73GB1H102K CHIP C 1000PF K C817 CE04EW1E470M ELECTRO 47UF 25WV C818 820 CK73GB1H102K CHIP C 1000PF K C821 822 CC73GCH1H101J CHIP C 100PF J C823 C92 0619 05 CHIP TAN 47UF 4WV C824 CK73GB1H472K CHIP C 4700PF
37. F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 L300 Q354 R300 R306 R308 R309 R310 R311 R312 R313 R319 R320 C306 C307 C308 C309 C310 C311 C315 C318 C320 C324 C325 R364 C376 CN351 GND VO 2 1 VO GND 1 2 Q300 Q301 Q302 L301 L302 L303 Q350 Q351 Q352 Q353 Q355 R301 R302 R303 R304 L350 R305 L351 L352 L353 L354 L355 L356 L357 L358 L359 R314 L360 R315 L361 R316 L362 R317 R318 R321 R322 C304 C305 C312 C314 R350 R351 R352 C351 C317 R353 R354 C319 R355 C386 R356 R357 R358 R359 C321 C322 C323 R360 R361 R362 R363 R365 R366 R367 R368 CN351 C354 C355 C356 C357 C358 C359 C360 C361 C362 C363 C364 C365 C366 C367 C368 TC350 C369 TC351 C370 C371 C372 C373 C374 C375 C377 C378 C379 IC300 1 10 11 20 C383 C350 D350 D351 D352 D353 G S D G S D CN350 CN300 GND SRR 8CL CV 9CL NC FIN 5C LDR EPR DT CP REF 1 7 6 1 CN350 CN300 NC 9CL CV 8CL SRR GND REF CP DT EPR LDR 5C FIN 7 1 1 6 J72 0751 02 A 2 J72 0751 02 A 2 J72 0751 02 B 2 J72 0751 02 B
38. H Backup L Main 17 TEMP I Temperature detect for fan action H Temp high L Temp low 18 INTy I INT request from DSP 19 CLK O Common clock 20 DAT O Common data 21 SFT O Beat shift H On L Off 22 LD1 O Control D A converter LD 23 IO3 I O Aux I O No 3 Acc D sub 25 pin 24 BEEP O Beep output 25 LD2 O D A converter 2LD 26 RS O DSP reset H Off L On 27 EPTT O Acc PTT Acc D sub 25 pin H Off L On 28 PTT I Mic PTT H Off L On 29 TXD1 O Mic TXD 30 RXD1 I Mic HOOK RXD 31 SCLK O EEPROM clock 32 SDAT I O EEPROM data 33 TXD0 O Acc TXD Acc D sub 25 pin 34 RXD0 I Acc RXD Acc D sub 25 pin 35 CP O PLL IC clock 36 DP O PLL IC data 37 RDY I CPU ready input Pin No Name I O Function 38 ALE Not used 39 HOLD Not used 40 HLDA Not used 41 BCLK O Not used 42 RD O Flash ROM WR DSP HDS1 43 BHE Not used 44 WR O Flash ROM WR DSP HDS2 45 STB2 O Control shift register STB 46 INTx O DSP interrupt H Off L On 47 HCS O DSP HCS 48 CS0 O Flash ROM CS 49 A19 O Not used 50 59 A18 A9 O Flash ROM address bus 60 Vcc 5V 61 A8 O Flash ROM address bus 62 Vss GND 63 70 A7 A0 O Flash ROM address bus 71 EMON I Acc monitor Acc D sub 25 pin H Off L On 72 LDR I RX VCO lock detect H Lock L Unlock
39. HOOK J601 1 NC 5 HOOK 2 MIC 6 MIG 3 PTT 7 GND 4 SB 8 NC CN604 NC NC NC NC NC RXD2 EMON TXD2 EPTT AI1 SC AI2 NC AI3 TXG DG AIO1 TD AIO2 TA AIO3 RD AIO4 RA AIO5 RXG AIO6 SPM NC NC TX RX UNIT B 2 X57 696 INT SP TX RX UN X57 696 DISPLAY UNIT A 2 X54 333 TXO TXI RXO AC BC3 BC1 BC4 BC2 RXI GND PTI NC PTO CLRC 14 1 RXD2 DG AI3 TD RD NC AI2 SPM AI1 RXG RA TXD2 TA AIO2 NC EMON TXG AIO1 AIO4 NC SC AIO6 AIO5 EPTT AIO3 SPG GND SB RD GND RSI SB AO1 SPO AO5 SPI AO3 AO2 AO4 DISPLAY UNIT B 2 X54 333 MIC SPG SPO CONTROL I O CN606 CN603 1 4 CN601 LDT RSSI EPR PSW GND MO SC LD2 TMP CK GND FWD DET SOE SB CP BUP NC SB EPT ASQ 8C DT NC LDR STB DP MB GND NC GND QS NC SB SB 8C NC NC NC MO SOE LDT DP SB GND SC GND GND SB LD2 RSSI SB SB FWD MB 8C CP STB DT 8C EPT NC ASQ QS TMP PSW LDR BUP GND CK DET EPR 1 11 11 1 1 12 29 30 1 2 W9 W10 W11 8V A 8V A 9V A 5CR SB 8CT 8C 9C SUB UN RX VCO X58 48 SUB UN TX VCO X58 48 SB SB 8C 1 8C 3 3A 1 8V AVR 3 3D 3 3V AVR 3
40. I O Programable I O 6 D sub 5 RXG RX signal ground connector 6 IO5 I O Programable I O 5 7 RA O RX audio output voice 8 IO4 I O Programable I O 4 9 RD O RX data output voice amp data 10 IO3 I O Programable I O 3 11 TA I TX audio input voice 12 IO2 I O Programable I O 2 13 TD I TX data input data or signaling Connector Terminal Terminal I O Terminal function No No Name 14 IO1 I O Programable I O 1 15 DG Control line ground 16 TXG TX signal ground 17 AI3 I Auxiliary input 3 FPU selectable 18 NC No connection 19 AI2 I Auxiliary input 2 FPU selectable 20 SC O Squelch control output 21 AI1 I Auxiliary input 1 FPU selectable 22 EPTT I External press to talk switch input 23 TXD2 O RS 232C output signal for FPU 24 EMON I External monitor switch input 25 RXD2 I RS 232C input signal for FPU 26 NC No connection 27 NC No connection 28 NC No connection 29 NC No connection 30 NC No connection RX VCO Unit X58 4800 10 Connector Terminal Terminal I O Terminal function No No Name CN300 1 FIN I Prescaler RF signal input 2 5C I Common 5V input 3 LDR O Lock detector for RX PLL 4 EPR I Enable input for RX PLL 5 DP I Data input for PLL 6 CP I Clock input for PLL 7 REF I Reference frequency signal input CN350 1 GND
41. IC300 IC PLL Q300 301 Transistor Active filter Q302 Transistor Buffer amplifier Q350 351 FET VCO OSC Q352 354 Transistor DC switch Q355 Transistor Buffer amplifier D350 353 Varicap Frequency control TX VCO Unit X58 4810 10 Ref No Part name Description IC300 IC PLL Q300 301 Transistor Active filter Q302 Transistor Buffer amplifier Q350 FET VCO OSC Q355 Transistor Buffer amplifier D350 352 Varicap Frequency control D354 Varicap Modulation COMPONENTS DESCRIPTION TKR 851 22 PARTS LIST Chip capacitor Code L W T Empty 5 6 0 5 5 0 0 5 Less than 2 0 A 4 5 0 5 3 2 0 4 Less than 2 0 B 4 5 0 5 2 0 0 3 Less than 2 0 C 4 5 0 5 1 25 0 2 Less than 1 25 D 3 2 0 4 2 5 0 3 Less than 1 5 E 3 2 0 2 1 6 0 2 Less than 1 25 F 2 0 0 3 1 25 0 2 Less than 1 25 G 1 6 0 2 0 8 0 2 Less than 1 0 H 1 0 0 05 0 5 0 05 0 5 0 05 Chip resistor Code L W T E 3 2 0 2 1 6 0 2 1 0 F 2 0 0 3 1 25 0 2 1 0 G 1 6 0 2 0 8 0 2 0 5 0 1 H 1 0 0 05 0 5 0 05 0 35 0 05 Rating wattage Code Wattage Code Wattage Code Wattage 1J 1 16W 2C 1 6W 3A 1W 2A 1 10W 2E 1 4W 3D 2W 2B 1 8W 2H 1 2W Less than 10pF Code B C D F G pF 0 1 0 25 0 5 1 2 CAPACITORS C C 4 5 T H 1 H 2 2 0 J 1 2 3 4 5 6 1 Type ceramic electrolytic etc 4 Voltage rating 2 Shape round square etc
42. IC619 A 2 AINR AOUTR CPU IC614 IC604 IC615 SW IC622 MUTE Q606 AM SPM AF AMP INT SP IC629 RSSI ASQ TX RX unit X57 B 2 Control 455kHz 44 850MHz IC621 Q605 INV Fig 1 Receiver circuit CIRCUIT DESCRIPTION TKR 851 12 2 3 IF Amplifier The first IF signal is amplified by Q2 and Q3 and then en ters IC9 FM system IC The signal is heterodyned again with a second local oscillator signal 44 395MHz with in IC9 to become a 455kHz second IF signal The second IF signal is fed through a 455kHz ceramic filter CF1 Wide CF2 Nar row to further eliminate unwanted signal and the quadrature detection circuit FM detects the signal to produce a base band signal and output it from pin 11 2 4 Audio Amplifier The audio amplifier circuit is located in control section of TX RX unit X57 696 B 2 The recovered audio signal ob tained from IC9 is amplified by IC608 input to the AINR ter minal of CODEC IC IC614 and audio processed by DSP IC618 The processed audio signal from AOUTR terminal of IC614 is amplified by IC619 B 2 to a sufficient level anti aliasing filtered by IC619 A 2 The audio signal goes to an electronic volume IC615 V3 V4 to the input of multiplexer IC IC622 and is amplified to drive a loudspeaker by an audio power amplifier IC629 The 4W audio output can be pro vided to external 4 ohms speaker through the 15 pin test con nector SPO SPG
43. IC619 B 2 NJM4558E AOUTR AOUTL SW TD TDS IC605 B 2 BU4053BCF SW SFT Q604 2SK1824 X601 16 515M Shift Reg 6 IC602 BU4094BCFV BC1 4 CLRC AC DAT CLK SOE STB3 AM AMPSW RXI RXO TXI TXO PTI PTO RS232 DRIVER RXD2 TXD2 IC620 ADM202EARN RXD0 TXD0 AI1 3 SPM EMON EPTT IO1 6 SC AMP AMP DAC IC615 A 2 M62364FP AMP AMP LD1 DAT CLK IC617 B 2 IC607 A 2 IC607 B 2 IC617 A 2 NJM4558E x 4 MO MB DP CP EPR EPT DT CK STB4 SOE LD2 PSW SB BUP TEMP LDT LDR FWD DAC IC615 B 2 M62364FP AMP IC611 A 2 NJM4558E RXI RXO LD1 DAT CLK RA IC630 TA78L05F IC624 XC62FP1802P 1 8V AVR 3 3V AVR 5V AVR 5V AVR 3 3V AVR 5V AVR IC625 XC62FP3302P IC626 XC62FP3302P IC627 TA78L05F 3 3D 1 8C 3 3A 5C IC628 TA78L05F 5M BLOCK DIAGRAM TKR 851 85 SW VCOA VCOB PLL SRR LPF 9CLR ATT PLL 9CLT VCOA LPF CVT CVR DET ASQ RSSI CN18 CN16 CN19 L2 L4 5 Q10 2SC3357 Q8 2SC3356 CN14 Fin CN602 CN606 SW BUP K1 CN6 CN7 CN4 TX ANT FAB 10A 10A CN1 CN3 B Vcont TEMP X45 374 B 2 DET 8C 8C CN15 CN5 SB RSSI ASQ MO VR1 RX ANT MB MO Q9 2SC3356 TXD2 Control I O D SUB MO MB CP EPT CK OE SW SB MP LDR WD TX RX unit X57 696 A 2 Q
44. NARROW FCT 9V A10 TP102 TX CV 8CT TP101 RX CV 8CR LDR EPR DP CP FCT CP CP EPT LDT A2 TX VCO X58 481 A3 RX VCO X58 480 GND2 VO FIN 5C LDR EPR DP CP REF GND1 SRR 8CL CV 9CL NC GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO J72 0924 09 A 2 TKR 851 PC BOARD TX RX UNIT X57 6962 70 A 2 Component side view J72 0924 09 A 2 TX RX UNIT X57 6962 70 A 2 Component side view J72 0924 09 A 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC4 11B IC5 10I IC9 7D IC10 11I Ref No Address Q4 9F Q16 10K Q17 10K Q26 8E Ref No Address Q27 9F D1 7J D2 7F 62 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C13 C101 C24 C25 C30 C31 C32 C33 C34 C3 C204 C205 C206 C207 C208 C212 Q11 Q12 Q13 Q14 C231 Q15 Q18 B C E Q10 B C E Q19 Q23 C80 C81 C82 C83 C84 C86 C87 C88 C89 C90 C91 C92 C93 C95 C96 C97 C98 C99 D8 R100 R106 R109 R174 R120 R121 R122 R123 R124 R125 R126 R127 R130 R131 L10 L11 L12 L13 C100 C114 R175 C115 C116 C117 C106 R105
45. Not used No connection 23 R W O Not used No connection 24 MSTRB O Not used No connection 25 IOSTRB O Not used No connection 26 MSC O Not used No connection 27 XF O CODEC control H Power down L Active 28 HOLDA Not used No connection 29 IAQ Not used No connection 30 HOLD I Hold Pull up 31 BIO I Serial data syncronize input 32 MP MC I Not used Pull down 33 DVDD VDD for I O pins 3 3V 34 Vss GND 35 38 NC5 NC8 Not used No connection 39 HCNTL0 I HPI control 0 40 Vss GND 41 BCLKR0 I Receive clock input SCLK 516 09375kHz 42 BCLKR1 Not used No connection 43 BFSR0 I Frame sync for receiver input LRCK 16 128kHz 44 BFSR1 I Frame sync for receiver input LRCK 16 128kHz Pin No Name I O Function 45 BDR0 I Serial data receive input 46 HCNTL1 I HPI control 1 47 BDR1 Not used No connection 48 BCLKX0 I Transmit clock input SCLK 516 09375kHz 49 BCLKX1 O Master clock output MCLK 4 12875MHz 50 Vss GND 51 HINT TOUT1 O Boot mode select Pull up 52 CVDD VDD for core CPU 1 8V 53 BFSX0 I Frame sync for transmitter input LRCK 16 128kHz 54 BFSX1 I Frame sync for transmitter input LRCK 16 128kHz 55 HRDY Not used No connection 56 DVDD VDD for I O pins 3 3V 57 Vss G
46. OFF Oscilloscope Detector Peak hold Transmission Wide 4kHz 2 CH 2 PC adj 0 05kHz Transmission 0 60kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 0 35kHz 24 CW ID 1 CH2 PC adj 0 1kHz deviation Deviation meter filter 2kHz Wide HPF OFF LPF 15kHz De emphasis OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 1 6kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 1kHz 25 Test tone 1 CH 2 PC adj 0 1kHz deviation Deviation meter filter 3kHz Wide HPF OFF LPF 15kHz De emphasis OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 1 5kHz 26 TA TX 1 Insert AG output into the MOD ANA Rear TX ANT PC adj 0 1kHz audio input control I O TA terminal pin 9 or 3 0kHz deviation CH 2 Deviation Wide Deviation meter filter meter HPF OFF Oscilloscope LPF 15kHz De emphasis OFF AG CONTROL AG freq 1kHz Sine wave AF VTVM I O jack AG level 280mV TA pin 9 Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 1 5kHz 27 TD 1 Insert AG output into the MOD ANA Rear TX ANT PC adj 0 1kHz deviation control I O TD terminal pin 8 or 0 75kHz Wide CH 2 Deviation Deviation meter filter meter HPF OFF Oscilloscope LPF 3kHz De emphasis OFF AG CONT
47. Q523 Q524 Q525 R502 R503 R505 R506 R507 R508 R509 R510 R5 R516 R517 R518 R519 CN501 R520 R525 R526 R534 R535 R536 R537 R538 R539 C501 C502 C503 R540 C504 R541 C505 R542 C506 R543 C507 R544 C5 C511 C516 C517 C518 C519 C520 C521 C522 C523 C524 C525 VR501 C526 D501 D502 D508 D509 D510 D511 D512 D513 D514 IC50 IC502 1 8 9 16 IC506 O G I IC507 O G I CP501 CP502 CP503 CP504 RED GRN BACKUP MAIN DC 1 3 4 6 1 1 3 3 4 4 6 6 D S G 1 1 3 3 4 4 6 1 3 4 6 1 3 4 6 6 1 3 4 6 1 3 4 6 1 3 4 6 1 3 4 6 RED GRN BUSY RED TX 1 4 VLI 5M GND NC SB NC GND PTT MIG MIC HK 11 1 J72 0756 12 A 2 TKR 851 PC BOARD Component side Foil side Layer 1 Layer 2 DISPLAY UNIT X54 3330 21 Foil side view J72 0756 12 Ref No Address IC501 9J IC502 7D IC503 9P IC506 8I IC507 8F Q501 9I Q502 9H Q503 7F Q504 7G Q506 7G Ref No Address Q507 7B Q508 8J Q509 7F Q510 6B Q511 6C Q513 9N Q516 5J Q517 5I Q518 4I Q519 4J Ref No Address Q521 5H Q522 5I Q523 4H Q524 4I Q525 6F D501 9I D502 9I D508 7E D509 8E D510
48. R322 10k R354 33 D354 1SV214 C32 0 01u C88 1000p R157 1k C184 1000p R309 330 R158 1k R368 33 C36 0 01u R316 1 5k D3 DAN235K C61 8p R317 0 LDT L300 C354 470p R140 0 R126 10 L302 18n L15 L34 4526 05 X3 16 8MHz 1 VC 2 GND 3 OUT 4 VDC R90 0 R120 1 5k R359 47 L13 10u C383 470p C64 0 1u C81 10u10 R316 1 5k C360 0 1u C193 0 01u C360 0 1u CN1 C323 0 22u 1 2 3 4 5 6 R319 33 8CR R130 47k C147 22u10 L24 L34 4459 05 R93 100 Q17 DTC114EUA C56 0 01u L352 1u C309 0 1u EPT FCR C65 10u10 C175 1000p D351 1SV282 R142 0 R315 150 IC11 NJM78L05UA 2 COM 3 IN 1 OUT R176 47k C160 1000p R163 270 C167 470p DP C99 470p 7 8 L26 15n C319 470p CN300 1 2 3 4 5 6 7 C161 0 01u D352 1SV282 C54 0 01u C69 0 1u R91 4 7k C370 7p STT TC350 8p C329 470p C377 470p R121 1 5k L12 330n C126 22u10 C129 0 01u C172 1000p CN351 1 2 R31 5 6 8CLR R128 4 7k R151 1k R37 6 8k R70 1k C195 0 01u C74 1000p LDR 2SC3357 Q2 R310 3 3k STT 8CT R320 2 2k 8CR C320 2 2u10 R153 1k R301 100 R302 10
49. R357 180 EPR D5 MA742 Q26 DTC114EUA L355 1u R76 100k R30 820 R127 10 C307 470p C51 0 01u C124 100u16 C121 470p R75 22 R124 1 5k C106 470p R48 47k EPT K1 S76 0401 05 R360 4 7k C50 68p CP C130 1000p C308 0 1u IC4 NJM7808FA 2 GND 1 IN 3 OUT 8CLT R40 27 C307 470p R352 0 C308 0 1u D4 DAN235K DP C31 330p C62 0 01u L351 1u L350 1u C359 1 5p R314 470k R152 1k R56 6 8k C131 1000p R301 100 C48 0 01u C82 0 01u LDR DP C154 10u6 3 LDT D8 DAN235K C198 0 1u R62 2 2k R367 100 R150 18 R95 4 7k C324 0 22u35 CP C158 3 3u16 L302 15n C151 3 3u16 C78 0 1u R310 3 3k C127 22u10 C356 8p TH1 8CLR C379 4p R79 100k C377 470p R73 470k C47 3p A1 W02 1939 05_8 C164 470p R38 0 L359 1 5u Q6 DTC144EUA C216 470p C87 10u10 R165 470 C41 0 01u R35 1 8k C204 100p C80 10u10 R182 0 R42 22k C135 0 01u D11 02DZ5 1 Y C306 0 01u C100 5p L303 22n C72 10u10 SRR L354 1u C66 330p R368 33 L362 33n C136 47u16 L301 15n C325 4p C380 0 5p C133 470p C310 0 1u R351 0 C358 1 5p C382 470p C320 2 2u10 C
50. R825 R631 R826 R827 R633 R828 R634 R829 R635 R637 R638 R639 R830 R831 R832 C602 R833 R834 R640 R641 C605 R642 R837 R643 R644 R645 R646 R647 R648 R649 X600 X601 R842 R843 R844 R650 C614 R651 R652 C616 R656 R659 C815 R660 R661 R662 R663 R664 R665 C629 R666 R667 R668 C821 C822 C824 R670 C634 C829 C635 R673 C638 C639 C830 R678 C831 R679 C832 C833 C834 C640 C835 C641 C836 C837 C643 C838 R680 C839 R681 R682 C647 R683 C648 R684 R685 R686 R687 C840 R688 C841 R689 C842 C843 C844 R690 R691 R692 R693 R694 R695 R696 R697 R698 C851 R699 C662 D606 D607 D608 D609 C670 D610 D611 D612 D615 D616 C679 D619 D620 IC600 1 1 100 25 26 50 51 75 76 1 4 5 8 4 5 8 D622 D623 IC603 1 12 13 24 C684 IC604 C685 IC606 D627 D628 IC608 IC609 C690 IC610 IC611 1 4 5 8 C692 IC612 C693 IC613 1 8 9 16 C694 IC614 C695 IC615 C696 IC616 4 1 5 8 8 1 9 16 C697 IC617 1 4 5 8 C698 IC618 1 144 IC619 IC620 1 8 16 9 IC621 1 1 1 3 4 5 1 3 4 5 4 5 1 12
51. TA75S01F AMP AMP IC608 TA75S01F DEO DEI TXI TXO TA SW IC605 A 2 BU4053BCF TAS SW MIC MIS RD DET INV XF EEPROM IC600 AT2408N10S12 5 TXD0 RXD0 IO1 6 SFT SW Q600 2SK1824 X600 14 754M ASQ RSSI FWD BATT CN601 Option board RA RD TA TD DAT CLK SOE STB2 Shift Reg 5 IC623 BU4094BCFV RSSI RD A01 5 SB SPI SP D626 MINISMDE190 SPO RX unit CONTROL X57 696 B 2 SB PSW RESET DET 8C TDS TAS MIS RSSI ASQ INV INV BUP TEMP Q602 2SK1824 Q601 DTC114EUA 5 TONE 5 TONE SOE STB1 CLK DAT KEY1 5 VLI TXD1 RXD1 PTT SCLK SDAT SOE DAT CLK STB2 STB3 SFT DP CP EPR EPT LD1 LD2 LDR LDT EPTT EMON AI1 3 IC631 IC632 TA75W01FU Reset IC IC601 RH5VL42C A0 A18 D0 D7 WR RD CS0 FLASH ROM IC609 AT29C020 90TI WR HCS D0 D7 A0 D3 Interface IC603 606 TC74LVX4245FS CPU IC604 M30622M4 DSP IC618 TMS320VC5402PGE PWDA PWAD Q603 DTC114EUA STDO STDI BDR0 BDX0 INV IC612 TC7S04FU DIVIDER IC613 TC74VHC4040FT SCLK LRCLK MCLK BCLK SCLK CODEC IC614 AK4550VT AF AMP IC629 LA4422 MUTE Q606 DTC363EK SW INV AMPSW Q610 2SJ506 S Q609 DTC114EUA SB AF SW INV Q605 DTC114EUA IC622 TC7S66FU AM SPM IC621 TC7S00FU LPF AMP IC616 B 2 NJM4558E IC616 A 2 NJM4558E IC619 A 2 NJM4558E LPF AMP
52. check whether the switch relay works properly after installation 2 Voice Scrambler It operates only during base operation The voice is not scrambled when it is repeated 2 1 Modification 1 Remove R742 and R653 on the TX RX unit B 2 control section 2 2 Connection 1 The functions of pins of CN601 on the TX RX unit B 2 control section are shown in the figure 2 Join the CN601 connector to the voice scrambler board via the E37 0808 05 connector cable When the operation is checked in PC test mode after the modification and the maximum deviation is adjusted the voice from the local microphone is not modulated In this case remove the CN601 12 pin PTO cable and connect it to the land of the display unit X54 333 from the voice scram bler The voice from the local microphone can be modulated in PC test mode TKR 851 6 3 External Speaker KES 4 or KES 5 The TKR 851 has a internal built in speaker 5W 8 and the external speaker output from the TEST SPKR connector 15 pin on the rear of the radio is 4W 4 Use external speaker KES 4 or KES 5 3 1 Connection for the KES 4 or KES 5 With the TKR 851 When taking the AF output from the TEST SPKR connector 15 pin on the rear of the radio The following tools are required for changing the connec tor Extracting tool The following extracting tool is recommended Molex Inc Order No J5800 002 W05 0878 00 1 Remove the connector with ju
53. 0 22u R363 4 7k C207 100p CN300 1 2 3 4 5 6 7 C148 1000p C83 0 01u R358 47 C71 0 01u R61 270k 2SC3356 R24 Q3 R83 0 R34 1k R96 1 8k C362 12p R143 1k R308 56 L1 L34 4616 05 CN14 E40 6009 05 1 NC 2 DET 3 NC 4 GND 5 ASQ 6 RSSI 7 SC 8 DP 9 CP 10 EPR 11 EPT 12 LDR 13 LDT 14 DT 15 CK 16 STB 17 FWD 18 LD2 19 BUP 20 PSW 21 TMP 22 SOE 23 GND 24 MB 25 MO 26 GND 27 GND 28 QS 29 NC 30 SB 31 SB 32 SB 33 SB 34 NC 35 8C 36 8C C323 0 22u C217 1000p C191 0 01u CN19 E04 0154 05 C330 470p R49 220 C67 330p C374 0 5p XF2 44 85MHz L71 0627 05 R311 10k C34 0 01u D13 MA742 C318 2 2u10 CN15 E40 5703 05 1 E 2 B 3 B C77 1000p TC351 8p C142 1000p D353 1SV282 L353 1u R50 15k R314 470k C138 47u16 C52 0 01u C314 12p L361 1 5u C368 7p R129 47k C120 470p C178 4 7u10 R305 0 IC5 AN8009M 2 COM 3 IN 1 OUT R308 56 L11 180n C153 470p 8CLT C379 4p C173 0 01u R365 33k C192 0 01u Q354 DTC114EUA 2SC4116 GR Q12 R318 0 C363 15p R45 22k R367 82 1 VC 2 GND 3 OUT 4 VDC C70 0 1u R356 220 L303 22n R44 22k C143 1000p CN4 R365 33k C146 470p
54. 1 OUT 6 8k CN1 C17 5p 2SC4116 Y Q8 470p R18 100 C7 470p C6 470p C8 8p C98 470p C27 470p 470p R3 47 R51 100k 2SC3356 R24 Q2 R46 470 C102 470p 470p C26 470p C38 470p 2SK2596 Q3 R6 47 CN4 1 2 L5 6 8n R52 39k C28 0 1u 10n C31 470p C107 100p L2 10n 0 1u 470p R1 10k 18n R4 22 CN3 1 2 3 4 5 6 7 8 C21 12p R48 470 L1 10n R47 2 2k 2SC5110 O Q1 470p R8 10 470p C104 100p C34 27p C109 100p R2 2 2k R15 18 C1 470p R53 150k C23 470p C119 470p 270 270 TH1 DC SWITCH TMP GND PC 8T THERMOSTAT NC FAS SURGE PROTECTOR FAB RF AMP FINAL UNIT X45 3742 71 A 2 FAG Q1 3 D10 BUP VOLTAGE REGULATOR PDT DC SWITCH TX RX UNIT X57 6270 XX A 2 CN19 TX RX UNIT X57 6270 XX A 2 CN16 Comp in Vref Comp out Vcc GND Vcont C10 R7 C18 C32 R14 R16 C92 C97 C91 C95 C96 C93 C94 C100 C3 D10 C101 C99 120k 470p 100k 0 1u R17 C35 R19 C36 C13 C20 L15 L3 R57 470 C30 0 22u C29 470p R58 470k R60 10k C15 470p 18k 100k 470p 22 470p R12 R11 C19 R9 C14 T 7 57V R 0V T 7 91V R 0V T 0 70V R 0V T 0 69V R 0V
55. 10 4 CP616 10 4 CP618 10 4 CP615 10 4 CP617 10 4 IO6 VLI AI2 AI1 AI3 IO5 3 3A 3 3D 1 8C IC625 XC62FP3302P IC626 XC62FP3302P IC624 XC62FP1802P IC628 TA78L05F IC627 TA78L05F IC630 TA78L05F SDTI LRCK MCLK SCLK PWAD PWDA AOUTL AOUTR OUT A IN A IN A VSS IN VEE IN IN VEE IN AOUT A IN A IN V C B A X0 X1 X Y VDD IC605 BU4053BCF RXO DATA RXI 5C MIC DEI MB TXO GND BEEP TXI MO 5TONE MO RXO DATA RXI 5C MIC DEI MB TXO GND 5TONE BEEP TXI OUT VCC Q1 CK CLR Q9 Q8 Q10 Q11 Vcc MIC TXO RXO MB 5C BEEP MO RXI TXI DATA DEI 5TONE GND MB MO DEI RXO BEEP DATA TXO 5TONE TXI MIC 5C RXI GND NC1 NC2 VSS1 DVDD1 A10 HD7 A11 A12 A13 A14 A15 NC3 HAS VSS3 NC4 CVDD2 HCS HRW READY PS DS IS R W MSTRB IOSTRB MSC XF HOLDA IAQ HOLD BIO MP MC DVDD2 VSS5 NC5 NC6 A19 NC15 VSS15 DVDD5 D6 D7 D8 D9 D10 D11 D12 HD4 D13 D14 D15 HD5 CVDD6 NC16 HDS1 VSS16 HDS2 DVDD A0 A1 A2 A3 HD6 A4 A5 A6 A7 A8 A9 CVDD7 NC17 NC18 IC615 M62364FP D A CONVERTER AO
56. 2 TKR 851 PC BOARD PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 DISPLAY UNIT X54 3330 21 Foil side view J72 0756 12 DISPLAY UNIT X54 3330 21 Foil side view J72 0756 12 Ref No Address IC501 9J IC502 7D IC503 9P IC506 8I IC507 8F Q501 9I Q502 9H Q503 7F Q504 7G Q506 7G Ref No Address Q507 7B Q508 8J Q509 7F Q510 6B Q511 6C Q513 9N Q516 5J Q517 5I Q518 4I Q519 4J Ref No Address Q521 5H Q522 5I Q523 4H Q524 4I Q525 6F D501 9I D502 9I D508 7E D509 8E D510 6D Ref No Address D511 6D D512 7E D513 6C D514 6D D601 5R D602 4R D603 4R 60 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C37 C48 C51 C53 C58 C59 C60 C213 C214 C64 C216 C66 C217 C67 C74 C76 Q26 Q27 D1 A9 D2 F1 TX XF1 XF2 CN14 CN15 CN18 K1 L2 L4 L5 R137 R138 R139 L14 L15 1 2 L16 L17 SRR STT SOE CK QS STB4 5CR LD2 DT FCR R140 L18 R141 L19 R142 L20 1 3 E B B L24 IC4 I G O IC5 O G I IC9 1 10 11 20 CF1 WIDE CF2 NARROW Q4 R41 R44 R45 R46 C158 C159 R169 R181 R182 R50 C160 C161 R54 R57 R60 R61 R62 C172 R63 C173 1 35 2 36 NC NC ASQ SC CP EPT LDT CK FW
57. 34 SMALL FIXED INDUCTOR 1UH L360 L40 1095 34 SMALL FIXED INDUCTOR 1UH L362 L40 3371 34 SMALL FIXED INDUCTOR 33NH R300 RK73GB1J100J CHIP R 10 J 1 16W R301 304 RK73GB1J101J CHIP R 100 J 1 16W R305 R92 1252 05 CHIP R 0 OHM J 1 16W R306 RK73GB1J220J CHIP R 22 J 1 16W R308 RK73GB1J560J CHIP R 56 J 1 16W R309 RK73GB1J331J CHIP R 330 J 1 16W R310 RK73GB1J332J CHIP R 3 3K J 1 16W R311 RK73GB1J103J CHIP R 10K J 1 16W R312 RK73GB1J331J CHIP R 330 J 1 16W R313 RK73GB1J222J CHIP R 2 2K J 1 16W R314 RK73GB1J474J CHIP R 470K J 1 16W R315 RK73GB1J151J CHIP R 150 J 1 16W R316 RK73FB2A152J CHIP R 1 5K J 1 10W R317 318 R92 1252 05 CHIP R 0 OHM J 1 16W R319 RK73GB1J330J CHIP R 33 J 1 16W R320 RK73GB1J222J CHIP R 2 2K J 1 16W TX VCO UNIT X58 4810 10 RX VCO UNIT X58 4800 10 TX VCO UNIT X58 4810 10 TKR 851 33 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts R321 RK73GB1J273J CHIP R 27K J 1 16W R322 RK73GB1J103J CHIP R 10K J 1 16W R351 R92 1252 05 CHIP R 0 OHM J 1 16W R353 R92 1252 05 CHIP R 0 OHM J 1 16W R354 RK73GB1J330J CHIP R 33 J 1 16W R359 RK73GB1J470J CHIP R 47 J 1 16W R365 RK73GB1J333J CHIP R 33K J 1 16W R366 RK73GB1J103J CHIP R 10K J 1 16W R367 RK73GB1J820J CHIP R 82 J 1 16W R368 RK73GB1J330J
58. 3V AVR 5C 5V AVR 5V AVR 5V AVR 5V AVR 5V AVR 5CT 8CR 5V AVR 5V AVR 5M INTERCONNECTION DIAGRAM TKR 851 51 M 1 2 6 4 7 9 8 10 12 13 14 11 5 3 15 TX RX UNIT A 2 X57 696 FINAL UNIT A 2 X45 374 FINAL UNIT B 2 X45 374 8T PDT PC TMP NC FAS GND BUP B E B RX ANT TX ANT GND B2 B1 BACKUP BATTERY 2 ON 1 4 6 5 T 3 GND B1 B2 GND 1 FAB FAN CN5 CN4 CN3 CN1 1 8 CN6 CN8 CN7 CN15 1 3 CN16 CN18 CN19 E B B 3 1 NC BUP 8T TMP PC GND PDT FAS MAIN DC MAIN DC GND BACKUP 1 8 TEST SPKR 9 12 W3 W4 W5 W6 W7 W8 W2 W1 2 FAG B 8V AVR 8V AVR 9V AVR SUB UNIT RX VCO PLL X58 480 SUB UNIT TX VCO PLL X58 481 5V AVR 5V AVR INTERCONNECTION DIAGRAM M CN605 1 SPO 2 SPG 1 2 6 4 7 9 8 10 12 13 14 11 5 3 CN602 1 36 CN14 1 36 CN600 1 SB SB GND NC DAT PSW STB1 CLK SOE TXD1 K1 RXD1 K2 K3 K4 K5 VLI 5C MIG 20 MIC CN502 1 MIG MIC VLI 5C K4 K5 K2 K3 K1 HK RXD SOE PTT TXD STB1 CLK DAT PSW GND NC SB 20 SB CN601 HOOK MIC MIG PTT GND NC SB NC GND 5M VLI CN501 VLI 5M GND NC SB NC GND PTT MIG M
59. AI3 NC AI2 SC AI1 EPTT TXD2 EMON RXD2 NC NC NC NC 30 NC C774 1u CN604 E40 5702 05 1 AO5 AO4 AO3 SPO SPO AO2 AO1 SPI RSSI RD SPG 12 SPG R794 47k C762 1000p Q606 DTC363EK IO6 R806 1k R772 47k R810 1k MIS R749 0 R789 1k D626 MINISMDE190 D606 DA204U C797 1000p L608 C819 1000p L612 Q608 DTC144EUA C789 330u25 R795 1k R767 47k STB IO5 R798 47k C808 1000p C827 100u10 IC629 LA4422 1 VCC 2 IN 3 NC1 4 DC 5 NFA 6 NFB 7 BS 8 GND 9 NC2 10 OUT C765 0 01u R787 1k D618 DA204U R786 47k R768 1 2k R793 1k C803 1000p D608 DA204U SC R809 47k C805 1000p R753 47k C804 1000p D610 DA204U Q609 DTC114EUA L611 R763 10k R840 560 C772 100u10 C760 1000p TDS IO1 IO2 PSW IO3 R780 1k R779 47k R765 1k Q613 DTD123TK C816 1000p R758 10k D614 DA204U AI1 R799 1k CLK CN605 E40 5704 05 1 SP 2 SPG R785 1k R771 1 2k DAT R811 47k C783 470p C787 1u R766 1 2k R751 0 D SUB ACC SP SB CONTROL I O Q609 610 TEST SPKR AMPSW CURRENT CONTROL AF MUTE SW CURRENT CONTROL DXD2 CURRENT PROTECTOR RXD2 REVERSE CURRENT PROTECTOR DC SW ANI RD1 D627 628 GND DC SW RA1 DC SW TD1 5C DA
60. CHIP R 33 J 1 16W R372 373 RK73GB1J104J CHIP R 100K J 1 16W R376 RK73GB1J181J CHIP R 180 J 1 16W D350 1SV282 VARIABLE CAPACITANCE DIODE D352 1SV282 VARIABLE CAPACITANCE DIODE D354 1SV214 VARIABLE CAPACITANCE DIODE IC300 CD8468 MOS IC IC300 SA7025DK MOS IC Q300 301 2SC4116 GR TRANSISTOR Q302 2SC4226 R24 TRANSISTOR Q350 2SK508NV K52 FET Q355 2SC4226 R24 TRANSISTOR TX VCO UNIT X58 4810 10 TKR 851 34 EXPLODED VIEW 3 2 1 B A 43 44 50 58 66 5 67 68 70 45 46 IC629 10 31 14 43 29 64 51 20 19 3 2 27 25 26 46 1 32 24 23 22 Px3 Px5 Px6 Dx3 700 Cx3 Cx3 Lx2 Gx3 Nx2 Px10 Px11 L Lx2 Hx6 Hx6 R Final A 2 TX RX A 2 TX RX B 2 Ox4 Display A 2 Display B 2 A N09 2292 05 B M2 6 x 6 N30 2606 46 C M4 x 6 N30 4006 46 D M4 x 14 N30 4014 46 E M4 x 20 BLK N30 4020 45 F M3 x 6 F N32 3006 46 G M4 x 8 F BLK N32 4008 45 H M3 x 6 OC BLK N33 3006 45 J M3 x 6 Bi BLK N35 3006 45 K M4 x 6 Bi BLK N35 4006 45 L M3 x 8 N67 3008 46 M M2 6 x 8 BLK N80 2608 45 N M2 6 x 6 Br Tap N87 2606 46 O M3 x 5 Br Tap BLK N87 3005 45 P M3 x 6 Br Tap N87 3006 46 R M3 x 14 TP N90 3014 46 TKR 851 35 EXPLODED VIEW C D 58 6 12 12 28 33 30 31 14 19 47
61. D4 5 SURGE PROTECTOR CHARGE GND TX DRIVE AMP D7 C166 470P L17 10n L16 R42 0 C39 12p OUT1 IN1 IN1 VEE TX RX UNIT X57 6270 XX A 2 CN15 F1 2 5A C49 C51 C50 100p 47u25 0 1u L6 15n C41 470p C124 C59 C123 C118 C46 470p R24 100k R23 120k C79 C77 C80 C105 C78 D7 0 1u 100p 1000u25 470p 470p ZSA5A27 IC3 TA75W01FU T 4 26V R 0V T 13 05V R 13 56V Note The components marked with a dot are parts of layer 1 FINAL UNIT X45 3742 71 A 2 t 8p C33 27p 470p C81 470p C75 470p R49 0 470p R50 18 C69 100p R40 100 470p Q9 DTD123EK 470p 100u25 470p R56 47k R38 47k 470p R26 100 C43 22p D52 DSA3A1 C40 22p IC1 TK11050M 1 2 3 4 5 6 VR1 100k R59 0 C106 0 1u C103 10u10 R13 47 R34 0 1SS355 L14 15n 470p R22 100 R44 0 C108 0 1u C24 100u16 R20 0 R55 470k C12 470p C22 6p IC2 NJM78L05UA 2 COM 3 IN 1 OUT L7 15n R54 1k 6 8k R37 0 CN1 R36 0 C17 5p 2SC4116 Y Q8 470p 1 2 3 4 5 IN2 6 IN2 7 OUT B 8 VCC CN6 ANT R18 100 C70 0 1u C7 470p C6 470p L11 15n C8 8p C98 470p C83 6p C27 470p 470p R3 47 R51 1
62. DTC114EUA DIGITAL TRANSISTOR Q606 DTC363EU DIGITAL TRANSISTOR Q607 608 DTC144EUA DIGITAL TRANSISTOR Q609 DTC114EUA DIGITAL TRANSISTOR Q610 2SJ506 S FET Q611 DTC114EUA DIGITAL TRANSISTOR Q612 DTC144EUA DIGITAL TRANSISTOR Q613 614 DTD123TK DIGITAL TRANSISTOR Q615 DTC144EUA DIGITAL TRANSISTOR TH1 157 503 53006 THERMISTOR TH700 701 B57331V2103J THERMISTOR A1 W02 1939 05 DBM C304 305 CK73GB1H102K CHIP C 1000PF K C306 CK73GB1H103K CHIP C 0 010UF K C307 CK73GB1H471K CHIP C 470PF K C308 310 CK73FB1E104K CHIP C 0 10UF K C311 C92 0001 05 CHIP C 0 1UF 35WV C312 CC73GCH1H070D CHIP C 7 0PF D C314 CC73GCH1H120J CHIP C 12PF J C315 CK73FB1H473K CHIP C 0 047UF K C317 CC73GCH1H070D CHIP C 7 0PF D C318 C92 0514 05 CHIP TAN 2 2UF 10WV C319 CK73GB1H471K CHIP C 470PF K C320 C92 0514 05 CHIP TAN 2 2UF 10WV C321 CC73GCH1H040C CHIP C 4 0PF C C322 CK73GB1H471K CHIP C 470PF K C323 CK73FB1E224K CHIP C 0 22UF K C324 C92 0002 05 CHIP TAN 0 22UF 35WV C325 CC73GCH1H040C CHIP C 4 0PF C C350 351 CK73GB1H471K CHIP C 470PF K C354 CK73GB1H471K CHIP C 470PF K C355 CC73GCH1H050B CHIP C 5 0PF B C356 CC73GCH1H060B CHIP C 6 0PF B C357 CK73GB1H471K CHIP C 470PF K C358 359 CC73GCH1H1R5B CHIP C 1 5PF B C360 361 CK73FB1E104K CHIP C 0 10UF K C362 CC73GCH1H220G CHIP C 22PF G C363 CC73GCH1H150G CHIP C 15PF G C364 365 CK73GB1H471K CHIP C 47
63. IC Multiplexer IC623 IC Shift register IC624 628 IC Voltage regulator IC629 IC AF power amplifier IC630 IC Voltage regulator IC631 632 IC AF amplifier Q1 3 Transistor RF amplifier Q4 Transistor Wide Narrow switch Q5 6 Transistor DC switch Q7 Transistor Noise amplifier Q8 9 Transistor RF amplifier Q10 Transistor Current control Q11 Transistor RF amplifier Q12 15 Transistor Ripple filter Q16 19 Transistor DC switch Q23 26 Transistor DC switch Q27 Transistor Wide 5kHz Narrow 4kHz switch Q600 FET DC switch Q601 Transistor DC switch Q602 FET DC switch Ref No Part name Description Q603 Transistor Inverter Q604 FET DC switch Q605 Transistor Inverter Q606 Transistor AF mute switch Q607 609 Transistor DC switch Q610 FET DC switch Q611 612 Transistor DC switch Q613 614 Transistor Current control Q615 Transistor DC switch D1 4 Diode Wide Narrow switch D5 Diode Noise detection D7 Diode DC switch D8 Diode TX switch D11 Zener diode Surge protector D12 Diode DC switch D13 Diode Noise detection D600 Diode Surge protector D606 612 Diode Surge protector D614 616 Diode Surge protector D618 623 Diode Surge protector D626 Variistor Current protector D627 628 Diode Reverse current protector D629 Diode Surge protector RX VCO Unit X58 4800 10 Ref No Part name Description
64. IC601 RH5VL42C 3 GND 2 VDD 1 OUT D4 X600 14 754M D620 DA204U MIS C781 1u C635 22p R778 1k C844 0 1u RXD0 HBIL R735 33k CLK C602 0 1u A6 R679 22k C758 1u DL3 A0 C812 1000p XF R839 560 C729 10u10 C638 0 1u ENT R826 820k EPTT R824 4 7k A9 R634 47k C698 10u10 C629 100p C728 0 01u C634 22p R633 47k HCNTL1 SFT R745 47k C832 0 01u R740 100k CLK CN603 E40 5887 05 1 SB SB GND 4 GND R726 47k R613 0 R682 15k C798 47u25 Q614 DTD123TK E40 5960 05 1 NC NC SPM IO6 RXG IO5 RA IO4 RD IO3 TA IO2 TD IO1 DG TXG AI3 NC AI2 SC AI1 EPTT TXD2 EMON RXD2 NC NC NC NC 30 NC R675 100k CP614 1k 2 R683 120k C774 1u CN604 E40 5702 05 1 AO5 AO4 AO3 SPO SPO AO2 AO1 SPI RSSI RD SPG 12 SPG AM L607 CP610 10 4 C639 0 01u KEY3 KEY3 R643 47k D1 R732 47k R821 10k C764 0 01u STB1 R833 22k R794 47k R612 0 DL4 KEY1 C695 470p R742 0 R622 1k RXD0 C762 1000p C839 270p C806 47u25 A12 TAS C715 0 01u A16 R704 47k Q606 DTC363EK IO6 1 12 13 24 HRW R806 1k C720 10u10 C711 470p R772 47k RSSI R626 1k CP600 1k 2 C600 0 1u R678 100k RS
65. IC606 TC74LVX4245FS 1 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND1 12 GND2 13 24 C641 0 1u R665 47k A10 R645 47k 1 IO5 IO4 5TONE IO2 IO1 BYTE CNVss ENT ENR RESET Xout Vss Xin Vcc NMI BUP TMP INT0 CLK DAT SFT LD1 IO3 BEEP 25 LD2 26 RS EPTT PTT TXD1 RXD1 SCLK SDAT TXD0 RXD0 CP DP RDY ALE HOLD HLDA BCLK RD BHE WR STB INTx HCS CS0 A19 50 A18 51 75 76 100 SCL SFT SDA IC603 606 FLASH ROM 8C SB 8C SB CNVSS RESET XOUT XIN BUS TRANSCEIVER TXI RXO GND MB DEI MIC RXI MO 5C DATA TXO GND GND3 B8 B7 B6 B5 B4 B3 B2 B1 G VCCB1 VCCB2 GND3 B8 B7 B6 B5 B4 B3 B2 B1 G VCCB1 VCCB2 IC609 AT29C020 90TI A11 A9 A8 A13 A14 A17 WE VCC A18 A16 A15 A12 A7 A6 A5 A4 CP606 4 7k 2 CP607 1k 2 CP609 100 2 KEY3 KEY2 KEY1 D7 D6 D5 D4 D3 D2 D1 D0 FWD RSSI ASQ VLI BATT AI1 AI2 AVss AI3 Vref AVcc STB1 SOE IO6 A17 A16 A15 A14 A13 A12 A11 A10 A9 Vcc A8 Vss A7 A6 A5 A4 A3 A2 A1 A0 EMON LDR LDT KEY5 KEY4 IC604 30622M4A 487GP CPU CP619
66. IC615 adjusts the level and the operational ampli fier IC607 IC611 IC617 amplifiers and sums signals 5 8 RS 232C Circuit The RS 232C circuit connects the RS 232C serial port of a personal computer directly to this model to perform FPU op eration The FPU operation can also be performed by con necting a programming cable KPG 46 to the local micro phone on the front panel But if the D sub connector on the rear panel is used the programming cable is not required The 232C driver IC IC620 changes the TTL 232C level The firmware can only be rewritten with the local microphone on the front panel 5 9 Power Supply Circuit The power supply circuit generates power to operate the CPU DSP flash ROM bi directional buffer and base band circuit This circuit consists of IC624 IC625 IC626 IC627 IC628 and IC630 RX detected signal AINR AOUTR 15 AOUTL AINL RD TX modulation signal Local Mic TA CODEC IC IC614 AK4550VT RX REPEAT TX RX audio amp TX VCO Modulation circuit RA TD 16 2 3 300Hz 3kHz Frequency response De emphasis RX Pre emphaisi TX 300Hz 3kHz Flat REPEAT Fig 10 An audio signal course and the frequency characteristic CIRCUIT DESCRIPTION TKR 851 17 5 10 5 tone Decode The 300 to 3000Hz frequency characteristics of the signal that enters the comparator are made flat by the circuit and the band is made into that band requ
67. IC624 4G IC625 4K IC627 4A Ref No Address IC628 3G IC629 4R IC630 4N Q607 8L Q608 9L Q612 5B Q613 8M Q614 9M Ref No Address D600 4B D614 6M D618 6M D621 7M D626 4M D629 6N 66 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R608 R802 R803 R804 R610 R805 R806 R807 R808 R809 R810 R811 CN602 R813 R815 C602 C605 R842 R843 R844 C815 R668 C821 C822 R670 R673 C639 R678 R679 C643 R680 R681 R682 C647 R683 C648 R684 R685 R686 C841 R689 R690 R691 R692 R693 R694 R695 R696 R697 R698 C662 D606 D607 D608 D609 C670 D610 D611 D612 D615 D616 C679 D619 D620 D622 D623 C684 C685 D627 D628 IC608 C690 IC610 IC611 1 4 5 8 C692 IC612 C693 IC613 1 8 9 16 C694 IC614 C695 IC615 C696 IC616 4 1 5 8 8 1 9 16 C697 IC617 1 4 5 8 C698 IC619 IC620 1 8 16 9 IC621 1 1 1 3 4 5 1 3 4 5 4 5 1 12 13 24 8 3 4 5 IC622 1 3 4 5 IC626 G I O R707 R708 R709 R710 R712 R713 R714 R715 R717 R718 R719 R721 R722 R728 R729 R732 R735 R736 R737 R738 R739 C700 C701 C703
68. IO6 IO7 CE A10 32 OE CLK IO2 D4 R641 0 KEY5 TXD0 FWD R666 47k DP CP DL2 A5 R834 3 3k KEY2 R663 47k D3 R667 47k A0 A8 CS0 RS R817 100 L601 L604 KEY4 R620 1k INTx R814 47k D1 R618 0 DL3 RSSI IC603 TC74LVX4245FS 1 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND1 12 GND2 13 24 C640 10u10 A2 D7 C851 0 1u C691 0 01u R637 0 CP613 1k 2 A17 A2 RD R661 47k A13 A15 D6 D4 C844 0 1u A6 A0 C638 0 1u ENT A9 HCNTL1 SFT CP614 1k 2 CP610 10 4 KEY3 R643 47k D1 STB1 R622 1k RXD0 A12 A16 R626 1k R624 0 CP608 1k 2 A14 R629 0 DL1 WR A5 D3 A1 BATT A16 PTT L603 RD R837 3 3k IO1 C843 0 1u R635 1k A13 D7 A1 R652 1k R631 47k A3 A7 RD D2 CP604 1k 2 A18 A8 R639 0 C645 10u10 R650 1k A2 R647 1k A0 ENR D5 EMON D2 C646 10u10 A18 LDT R662 1k A6 R640 1k R627 1k R649 1k A10 ASQ A4 R623 0 D1 HBIL D0 R625 1k HCNTL0 DL0 A11 LD2 LDR D5 DL4 D3 LD1 R621 1k A17 DL7 IO4 EPTT CS0 CP603 100 2 R660 47k A15 R651 1k R619 47k C644 0 01u A9 R614 47k CP605 1k 2 SOE A12 IO3 A1 D2
69. K C825 CK73GB1C104K CHIP C 0 10UF K C826 C92 0560 05 CHIP TAN 10UF 6 3WV C827 C92 0823 05 CHIP TAN 100UF 10WV C828 C92 0514 05 CHIP TAN 2 2UF 10WV C829 CK73GB1C104K CHIP C 0 10UF K TX RX UNIT X57 6962 70 TKR 851 28 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts C830 CK73GB1E103K CHIP C 0 010UF K C831 CK73GB1H102K CHIP C 1000PF K C832 833 CK73GB1E103K CHIP C 0 010UF K C834 835 CK73GB1C104K CHIP C 0 10UF K C836 838 CK73GB1E103K CHIP C 0 010UF K C839 CK73GB1H271K CHIP C 270PF K C840 CK73GB1H472K CHIP C 4700PF K C841 CK73FB1C105K CHIP C 1 0UF K C842 C92 0519 05 CHIP TAN 1 0UF 25WV C843 844 CK73GB1C104K CHIP C 0 10UF K C851 CK73GB1C104K CHIP C 0 10UF K CN1 E04 0154 05 PIN SOCKET CN2 E40 5538 05 PIN ASSY CN3 E04 0154 05 PIN SOCKET CN4 E40 5538 05 PIN ASSY CN14 E40 6009 05 FLAT CABLE CONNECTOR CN15 E40 5703 05 PIN ASSY CN16 E40 5632 05 PIN ASSY CN18 19 E04 0154 05 PIN SOCKET CN600 E40 6102 05 PIN ASSY CN601 E40 5701 05 PIN ASSY CN602 E40 6009 05 FLAT CABLE CONNECTOR CN603 E40 5887 05 PIN ASSY CN604 E40 5702 05 PIN ASSY CN605 E40 5704 05 PIN ASSY CN606 E40 5960 05 PIN ASSY F1 F53 0217 05 FUSE CF1 L72 0366 05 CERAMIC FILTER CF2 L72 0376 05 CERAMIC FILTER L1 L34 4616 05 AIR CORE COIL L2 L79 1849 05 H
70. NC SB SB QS GND MB SOE PSW LD2 STB DT LDR EPR DP RSSI GND DET 8C SB SB NC GND MO GND TMP BUP FWD CK LDT EPT CP SC ASQ NC NC 35 36 2 G S D Q611 L600 Q615 L602 L603 C771 L605 C775 C776 C777 C778 C779 C782 C783 C784 C787 C791 C793 C797 J72 0924 09 B 2 G S D 1 3 4 5 36 37 72 73 108 109 1 12 13 24 1 16 17 32 TMS TD1 DVDD TD0 TCK TCK EMU0 TRST GND NC GND GND GND EMU1 TKR 851 PC BOARD TX RX UNIT X57 6962 70 B 2 Foil side view J72 0924 09 B 2 TX RX UNIT X57 6962 70 B 2 Foil side view J72 0924 09 B 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC600 4O IC603 9N IC604 6Q IC606 4M IC608 6G IC609 9Q IC610 6H IC611 9F Ref No Address IC612 8J IC613 8J IC614 8H IC615 8F IC616 9H IC617 8D IC618 7L IC619 6F Ref No Address IC620 8B IC621 5C IC622 5C IC626 7H IC631 3N IC632 3M Q600 4Q Q601 3K Ref No Address Q602 3J Q603 4K Q604 8L Q605 5C Q606 4C Q609 4E Q610 3E Q611 4D Ref No Address Q615 6I D606 7C D607 7C D608 6C D609 7D D610 6B D611 6E D612 6B Ref No Address D615 6D D616 7B D619 6C D620 7A D622 7B D623 6A D627 4G D628 4D 68 J I H G
71. PC adj SSG output 7dB over to Adjust to point of 12dB SINAD level opening squelch SSG MOD 1kHz SSG DEV 1 5kHz AF 2V 4 18 RD outut 1 Connect SSG to RX ANT SSG Rear RX ANT PC adj 5mV level CH 2 Wide 80mV Wide SSG output 53dBm 501 V DVM CONTROL SSG MOD 1kHz I O jack SSG DEV 3 0kHz RD pin 10 4 7k load Wide 4kHz 2 CH 2 Wide 4kHz SSG output 53dBm 501 V SSG MOD 1kHz SSG DEV 2 4kHz Narrow 3 CH 2 Narrow SSG output 53dBm 501 V SSG MOD 1kHz SSG DEV 1 5kHz 19 RA outut 1 Connect SSG to RX ANT SSG Rear RX ANT PC adj 20mV level CH 2 Wide 400mV Wide SSG output 53dBm 501 V DVM CONTROL SSG MOD 1kHz I O jack SSG DEV 3 0kHz RA pin 11 4 7k load TKR 851 42 Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT Wide 4kHz 2 CH 2 Wide 4kHz SSG Rear RX ANT PC adj 20mV SSG output 53dBm 501 V 400mV SSG MOD 1kHz DVM CONTROL SSG DEV 2 4kHz I O jack RA pin 11 Narrow 3 CH 2 Narrow 4 7k load SSG output 53dBm 501 V SSG MOD 1kHz SSG DEV 1 5kHz 20 Maximum 1 Connect AG to the MIC terminal MOD ANA Rear TX OUT PC adj 0 1kHz deviation Low CH TX VCO low or 4 1kHz Wide Center CH VCO center Deviation High CH TX VCO high meter Deviation meter filter Oscilloscope HPF OFF LPF
72. Q518 UPA672T Q519 UPA672T Q522 UPA672T Q521 UPA672T Q523 UPA672T Q524 UPA672T R520 820 1 2W C525 0 1u C522 0 1u C524 10u10 C521 10u10 D502 HSM88AS Q507 UPA672T C523 0 33u C526 0 33u 2 COM 3 1 2 COM 3 IN 1 OUT C520 0 01u Q510 DTA114EUA R505 68k VR501 10k CN502 MIG MIC VLI 5C K4 K5 K2 K3 K1 HK RXD SOE PTT TXD STB1 CLK DAT PSW GND NC SB SB D503 B30 2151 05 D504 B30 2151 05 2SA1586 Y GR Q502 S507 R516 1 2k 1 2W D507 LA 501DD 1 10 5 6 R541 10k R542 10k R543 10k R544 10k R518 1 2k 1 2W KEY5 KEY1 KEY2 KEY4 KEY3 CALL TX BACKUP MAIN DC MIC AMP LEVEL CONTROLLER AF DETECTOR 7SEGMENT DC SW CLK SOE BUSYC SHIFT REGISTER DC SW DC SW DC SW VOLTAGE REGULATOR VOLTAGE REGULATOR DC SW DC SW DC SW DC SW POWLEDC HK 5M PTT MIC VLI MIG SB AF DETECTOR LEVEL CONTROLLER DAT BUSY STRB DATA CLK Q1 Q2 Q3 Q4 VSS TX RX UNIT X57 6962 70 B 2 CN600 R519 1 2k 1 2W B IN B IN BOUT V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Q504 UPA672T Q503 UPA672T Q506 DTA114EUA Q508 DTA114EUA DC SW Q509 DTA114EUA DC SW DC SW Q511 DTA114EUA DC SW
73. T 13 03V R 13 54V T 7 61V R 0V SCHEMATIC DIAGRAM TKR 851 71 7 6 5 4 3 2 1 J I H G F X45 374 2 2 C81 470p C75 470p C69 100p R40 100 R38 47k R26 100 C43 22p D52 DSA3A1 C40 22p VR1 100k R59 0 R34 0 R22 100 R44 0 R20 0 R55 470k L7 15n R54 1k R37 0 R36 0 1 2 3 4 5 IN2 6 IN2 7 OUT B 8 VCC CN6 ANT C70 0 1u L11 15n C83 6p R62 10k D2 02DZ6 2 Y C89 5p C165 470P C71 470p C117 0 1u D51 DSA3A1 L9 15n 22p CN51 CN52 R45 47k C53 0 1u D8 RB051L 40 C61 470p 18n 15p C55 470p C54 100u25 CN7 L12 110n R41 0 R73 100 22p C48 470p C113 0 1u R35 100k R21 0 C86 10p R61 5 6 D5 HSM88AS C116 470p C115 0 1u C52 100p CN8 C114 470p C72 470p D9 MINISMDC050 02 C120 0 022u 8p D4 HSM88AS C112 470p PD55008S Q4 RD60HUF1 01 Q5 C44 6p C121 15p C122 15p C160 470p R72 180k R31 220k CN5 1 3 K1 MAIN DC E B BACKUP B X45 3742 71 B 2 GND GND W4 W5 B2 VOLTAGE REFERENCE B1 DC AMP B2 B1 GND MAIN DC BACK UP BATTERY PROTECT OF REVERSE CONNECTION D51 52 FINAL AMP W3 CURRENT PROTECTOR RF DETECTOR REVERSE CURRENT PROTECTION
74. amplified by IC616 A 2 to a sufficient level anti aliasing filtered by IC616 B 2 and amplified by the summing amplifier IC611 A 2 3 2 Modulation Level Adjustment Circuit The output of the summing amplifier IC611 A 2 is passed to an electronic volume IC615 for maximum deviation ad justment before being applied to a varactor diode in the volt age controlled oscillator VCO A2 located in TX RX unit X57 696 A 2 TXRX unit X57 B 2 CONTROL MIC CODEC IC MO SW MIS TA TXO TXI MB D SUB TD DAC SW TDS TAS AINL AOUTL SW MIC JACK J601 Display unit X54 B 2 AMP ATT DET MIC Display unit X54 A 2 IC501 A 2 Q501 502 D501 502 VR501 IC605 A 2 IC610 IC614 IC616 B 2 IC616 A 2 IC605 B 2 IC615 AMP AMP IC611 A 2 AMP LPF Fig 2 Microphone circuit CIRCUIT DESCRIPTION TKR 851 13 3 3 Driver and Final Power Amplifier Circuit The transmit signal is generated by the TX VCO A2 am plified by Q11 and sent to final unit X45 374 This amplified signal is amplified by Q1 Q2 Q3 and Q4 and is passed to the FINAL stage The RF power amplifier consists of MOS FET TEMP Final unit X45 374 A 2 PC POWER ADJ Vcont TX ANT ATT TCXO FCT X3 16 8MHz BUFF IC1 MB MO TX RX unit X57 696 A 2 CM COUPLER REF AMP DC AMP VR1 SW STT Q11 Q1 Drive AMP Q4 Drive AMP Q3 Drive AMP Q
75. bus 96 X1 16 515MHz System clock 97 X2 CLKIN 16 515MHz System clock 98 RS I DSP reset input 99 104 D0 D5 Not used No connection 105 A6 O Not used No connection 106 Vss GND 107 109 A7 A9 O Not used No connection 110 NC15 Not used No connection 111 Vss GND 112 DVDD VDD for I O pins 3 3V 113 119 D6 D12 Not used No connection 120 HD5 I O HPI data bus 121 123 D13 D15 Not used No connection 124 HD6 I O HPI data bus 125 CVDD VDD for core CPU 1 8V 126 NC16 Not used No connection 127 HDS1 I HPI data strobe 1 Pull up 128 Vss GND 129 HDS2 I HPI data strobe 2 Pull down 130 DVDD VDD for I O pins 3 3V 131 134 A10 A13 O Not used No connection 135 HD7 I O HPI data bus 136 141 A14 A19 O Not used No connection 142 CVDD VDD for core CPU 1 8V 143 144 NC17 NC18 Not used No connection Final Unit X45 3742 71 Ref No Part name Description IC1 IC Thermostat IC2 IC Voltage regulator IC3 IC DC amplifier Q1 2 Transistor RF amplifier Q3 4 FET TX drive amplifier Q5 FET Final amplifier Q8 9 Transistor DC switch D2 Zener diode Voltage reference D4 5 Diode RF detector D7 Zener diode Surge protector D8 Diode Reverse current protection D9 Vatistor Current protector D10 Diode Surge absorpti
76. of 0 5A Short the CHARGE land near R61 Notes 1 Make this modification after removing the DC power sup ply and battery for safety 2 When the DC power supply is connected after the modifi cation DC voltage is output to the Backup connector Be careful during setup 3 When the backup battery is used for a long time remove the battery from the repeater and recharge it because the trickle charge is not sufficient for recharging a completely discharged battery K1 R61 CN7 BACKUP ORANGE CHARGE Final unit A 2 Component side Fig 2 MODIFICATION TKR 851 10 DISASSEMBLY FOR REPAIR w e e r t t q q t 1 How to Remove the Panel Assy ABS Note You can remove the panel assembly ABS without removing the top panel A62 0840 03 1 To remove panel TX RX w loose 6 screws q 2 To remove panel assembly Front r loose 6 screws e 3 The panel assembly ABS is security fastened by 4 tabs t on top and bottom You can remove the panel as sembly by pulling to front while you are pulling up the tabs TKR 851 11 1 Outline The TKR 851 is a UHF FM repeater designed to operate in the frequency range of 440 to 470MHz E 450 to 480MHz K The unit consists of receiver transmitter phase locked loop PLL frequency synthesizer and control circuits 2 Receiver Circuit The receiver is double conversion super heterodyne de signed to operate in the frequency rang
77. signal input CN601 1 TXO O MIC signal output to the board 2 TXI I MIC signal input from the board To 3 RXO O RX audio signal output to the board optional 4 AC O Audio control signal output board 5 BC1 O Scramble code output 6 BC2 O Scramble code output 7 BC3 O Scramble code output 8 BC4 O Scramble code output 9 PTI I PTT signal input 10 CLRC O Clear code for scramble 11 RXI I RX audio signal input from the board 12 PTO O PTT signal output 13 NC O No connection 14 GND Ground CN602 1 8C I Common 8V input 2 8C I Common 8V input To X57 3 NC No connection A 2 4 SB I Power supply input after power switch TX RX 5 SB I Power supply input after power switch unit 6 SB I Power supply input after power switch 7 SB I Power supply input after power switch 8 NC No connection 9 QS O Data 10 GND Ground 11 GND Ground 12 MO O Modulation signal output for VCO 13 MB O Modulation signal output for VCXO 14 GND Ground 15 SOE O Output enable for shift register 16 TMP I High temperature detector signal input 17 PSW O Power switch output 18 BUP I Backup signal input TERMINAL FUNCTION TKR 851 48 Connector Terminal Terminal I O Terminal function No No Name 19 LD2 O Latch data output for DA converter 20 FWD I RF power down signal input 21 ST
78. tects this condition the transmitter is disabled Q351 VCO unit X58 480 SRR VCO A IC300 VCO B Q355 Q350 Q354 Q352 Q353 Q300 Q302 VCXO X2 TX RX unit IC604 SW SW SW AMP AMP LPF PLL IC com CP DP EPR LDR VCO unit X58 481 VCO A IC300 Q355 Q350 Q300 Q302 VCXO X3 TX RX unit IC604 AMP AMP LPF PLL IC com CP DP EPT LDT MO MO MO Fig 5 Receiver PLL Fig 6 Transmitter PLL VCO A 450 480 K 440 470 E Top view TX VCO X58 481 VCO A 440 460 VCO B 460 480 RX VCO X58 480 MHz 44 850 44 850 Fig 7 VCO oscillation frequency CIRCUIT DESCRIPTION TKR 851 15 5 Control Circuit The control circuit mainly located in the control section of TX RX unit X57 696 B 2 consists of the following 5 1 CPU 5 2 memory circuit 5 3 CPU clock shift 5 4 shift register cir cuit 5 5 display circuit 5 6 DSP circuit 5 7 base band circuit 5 8 RS 232C circuit 5 9 power supply circuit and 5 10 5 tone decode circuit 5 1 CPU The CPU IC604 is a 16bit single chip microcomputer con taining a 32k ROM and 3k RAM This CPU controls the flash ROM the DSP the receiver circuit the transmitter circuit the control circuit and the display circuit and transfers data to or from an external device 5 2 Memory Circuit IC609 has a flash ROM with a capacity of 2M bits that contains the control progra
79. 0 C356 6p C86 1000p C45 4p R39 56 C355 5p R43 22k C97 470p C312 6p C370 10p FCR C38 68p R373 100k D12 02DZ18 X Y SRR C115 10p R55 22k R364 10k R313 2 2k C378 470p 9CLT R351 0 F1 C125 100u16 R68 3 3k C92 470p 9CLR C189 1000p R321 27k C321 4p 2SC4116 GR Q14 IC6 M62354GP 1 2 3 4 5 6 7 8 9 VSS 10 NC2 11 AO3 12 AO4 13 AO5 14 AO6 15 VDD 16 VCC C162 0 01u CN350 1 2 3 4 5 6 R97 3 3k 5CR R304 100 C325 4p R138 1k FCT R67 56 R166 22k R52 22k C373 470p C361 0 1u CN2 C197 0 033u L301 18n C317 6p C46 3p C378 470p R77 47k R139 0 FIN 9 5C 10 LDT 11 EPT 12 DP 13 CP 14 REF 15 C306 0 01u R92 1 8k R366 10k R66 330k C177 470p R19 470k R141 0 C89 0 01u Q5 DTA144EUA R78 47k XF1 44 85MHz L71 0513 05 C30 68p R350 0 C144 470p 9CLR L19 L34 4527 05 R320 3 3k R156 1k Q4 DTC144EUA L21 10u C194 0 01u 2SC4116 GR Q301 R125 1 5k R366 10k R315 150 L358 1 5u R317 0 C49 68p R361 4 7k C44 4p R312 330 C362 22p CN351 1 VO 2 GND C368 7p L353 1u R41 2 2k R87 1k C79
80. 0 047UF K C317 CC73GCH1H060D CHIP C 6 0PF D C318 C92 0514 05 CHIP TAN 2 2UF 10WV C319 CK73GB1H471K CHIP C 470PF K C320 C92 0514 05 CHIP TAN 2 2UF 10WV C321 CC73GCH1H040C CHIP C 4 0PF C C322 CK73GB1H471K CHIP C 470PF K C323 CK73FB1E224K CHIP C 0 22UF K C324 C92 0002 05 CHIP TAN 0 22UF 35WV C325 CC73GCH1H040C CHIP C 4 0PF C C329 330 CK73GB1H471K CHIP C 470PF K C350 351 CK73GB1H471K CHIP C 470PF K C352 CC73GCH1H101J CHIP C 100PF J C354 CK73GB1H471K CHIP C 470PF K C356 CC73GCH1H080B CHIP C 8 0PF B C359 CC73GCH1H1R5B CHIP C 1 5PF B C360 CK73FB1E104K CHIP C 0 10UF K C362 CC73GCH1H120G CHIP C 12PF G C364 CK73GB1H471K CHIP C 470PF K C366 CC73GCH1H070B CHIP C 7 0PF B C368 CC73GCH1H070B CHIP C 7 0PF B C370 CC73GCH1H070B CHIP C 7 0PF B C374 CC73GCH1H0R5B CHIP C 0 5PF B C377 378 CK73GB1H471K CHIP C 470PF K C379 CC73GCH1H040C CHIP C 4 0PF C C380 CC73GCH1H0R5B CHIP C 0 5PF B C382 383 CC73GCH1H471J CHIP C 470PF J TC350 C05 0396 05 CERAMIC TRIMMER CAP 8PF CN300 E40 5699 05 PIN ASSY CN350 E40 5755 05 PIN ASSY CN351 E40 6098 05 PIN ASSY F10 2377 04 SHIELDING CASE L300 L92 0148 05 FERRITE CHIP L301 302 L40 1575 34 SMALL FIXED INDUCTOR 15NH L303 L40 2275 34 SMALL FIXED INDUCTOR 22NH L304 307 L92 0140 05 FERRITE CHIP L352 354 L40 1095 34 SMALL FIXED INDUCTOR 1UH L356 L34 4645 05 AIR CORE COIL L358 L40 1095
81. 00 Coupling AC coupling Deviation 0 75kHz wide 0 35kHz Narrow 100Hz 0 5Vp p input 9 TA I TX audio input voice Input impedance 600 Coupling AC coupling Frequency response Pre emphasis curve Deviation 60 deviation 1kHz 280mVrms 25mV input 10 RD O RX data output voice amp data Output impedance 1k or less Coupling AC coupling Non squelched Frequency response 2 5dB at 10 3000Hz Output level 70 90mVrms standard modulation 11 RA O RX audio output voice Output impedance 1k or less Coupling AC coupling Squelched Frequency response De emphasis curve Output level 360 440mVrms standard modulation 12 RXG RX signal ground for RA RD ground only Connector Terminal Terminal I O Terminal function No No Name 13 SPM I Speaker mute signal input L Mute on 14 NC No connection 15 EMON I External monitor switch input L Monitor on H Monitor off 16 EPTT I External press to talk switch input L PTT on H PTT off 17 SC O Squelch control output L Busy H Not busy 18 NC No connection 19 TXG TX signal ground for TA TD ground only 20 AIO1 I O Programmable function input output 1 21 AIO2 I O Programmable function input output 2 22 AIO3 I O Programmable function input output 3 23 AIO4 I O Programmable function
82. 008S Drive AMP Q3 2SK2596 PC 8T FAS TMP BUP PDT Final AMP Q5 RD60HUF1 01 DC AMP REF AMP PC Drive AMP IC3 TA75W01FU Q8 2SC4116 Y SW IC1 TEMP IC2 NJM78L05UA TMP 5V AVR BACKUP Main DC SW FAS Q9 DTD123EK FWD DET REV DET CM COUPLER D5 D4 HSM88AS x 2 BLOCK DIAGRAM TKR 851 86 KES 5 EXTERNAL SPEAKER 12 6 3 15 1 13 Crimp terminal E23 0613 05 Black lead Speaker cable Black White lead Jumper lead Connector BACK UP KES 5 When Using an External Speaker 1 Make sure the unit s power is tuned off 2 When using the external speaker remove the jumper lead from the connector and attach the speaker cable 3 When not using the external speaker replace the jumper lead and insert the connector into the speaker jack pin9 and 12 Specifications Maximum input power 40W Impedance 4 Dimensions W x H x D 129 x 129 x 77 mm projection not included 51 16 x 5 1 16 x 3 inches Weight 820g 1 81 lbs TKR 851 87 SPECIFICATIONS K TYPE GENERAL Frequency Range 450 to 480MHz Number of Channels 16 channel Channel Spacing Wide 25kHz Narrow 12 5kHz PLL channel stepping 5kHz 6 25kHz Operating Voltage
83. 00k 2SC3356 R24 Q2 R62 10k R46 470 C102 470p 470p C26 470p D2 02DZ6 2 Y C89 5p C38 470p 2SK2596 Q3 C165 470P C71 470p R6 47 CN4 1 2 L5 6 8n C117 0 1u D51 DSA3A1 R52 39k L9 15n 22p CN51 CN52 R45 47k C53 0 1u C28 0 1u D8 RB051L 40 10n C61 470p 18n C31 470p 15p C55 470p C54 100u25 CN7 C107 100p L2 10n L12 110n 0 1u R41 0 470p R1 10k R73 100 22p 18n C48 470p R4 22 CN3 1 2 3 4 5 6 7 8 C21 12p C113 0 1u R48 470 R35 100k L1 10n R21 0 R47 2 2k C86 10p 2SC5110 O Q1 470p R8 10 R61 5 6 470p C104 100p D5 HSM88AS C34 27p C109 100p R2 2 2k R15 18 C116 470p C1 470p C115 0 1u C52 100p CN8 C114 470p C72 470p R53 150k D9 MINISMDC050 02 C23 470p C120 0 022u 8p D4 HSM88AS C112 470p C119 470p 270 270 PD55008S Q4 RD60HUF1 01 Q5 C44 6p C121 15p C122 15p C160 470p R72 180k R31 220k TH1 CN5 1 3 K1 DC SWITCH TMP MAIN DC E GND PC B BACKUP B X45 3742 71 B 2 GND 8T GND W4 W5 B2 VOLTAGE REFERENCE B1 DC AMP THERMOSTAT B2 NC B1 GND FAS MAIN DC BACK UP BATTERY PROTECT OF
84. 0PF K C366 369 CC73GCH1H070B CHIP C 7 0PF B C370 371 CC73GCH1H100C CHIP C 10PF C C372 373 CK73GB1H471K CHIP C 470PF K C374 375 CC73GCH1H0R5B CHIP C 0 5PF B C376 378 CK73GB1H471K CHIP C 470PF K C379 CC73GCH1H040C CHIP C 4 0PF C C383 CK73GB1H471K CHIP C 470PF K C386 CC73GCH1H101J CHIP C 100PF J TC350 351 C05 0396 05 CERAMIC TRIMMER CAP 8PF CN300 E40 5699 05 PIN ASSY RX VCO UNIT X58 4800 10 TX RX UNIT X57 6962 70 RX VCO UNIT X58 4800 10 TKR 851 32 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts CN350 E40 5755 05 PIN ASSY CN351 E40 6098 05 PIN ASSY F10 2377 04 SHIELDING CASE L300 L92 0148 05 FERRITE CHIP L301 302 L40 1875 34 SMALL FIXED INDUCTOR 18NH L303 L40 2275 34 SMALL FIXED INDUCTOR 22NH L350 355 L40 1095 34 SMALL FIXED INDUCTOR 1UH L356 357 L34 4608 05 AIR CORE COIL L358 361 L40 1595 34 SMALL FIXED INDUCTOR 1 5UH L362 L40 3371 34 SMALL FIXED INDUCTOR 33NH R300 RK73GB1J100J CHIP R 10 J 1 16W R301 304 RK73GB1J101J CHIP R 100 J 1 16W R305 R92 1252 05 CHIP R 0 OHM J 1 16W R306 RK73GB1J220J CHIP R 22 J 1 16W R308 RK73GB1J560J CHIP R 56 J 1 16W R309 RK73GB1J331J CHIP R 330 J 1 16W R310 RK73GB1J332J CHIP R 3 3K J 1 16W R311 RK73GB1J103J CHIP R 10K J 1 16W R312 RK73GB1J331J CHIP R 330 J 1 16W R3
85. 0V 9 07V 7 90V 91 0dBm 7 91V 13 11V 92 5dBm B 9 03V E 8 38V C 9 05V B 7 85V E 7 16V C 7 92V B 1 50V E 1 13V C 7 06V W5 0V W4 0V N 1 05V B 3 40V E 2 62V C 7 71V B 1 56V E 0 79V C 6 25V W5 1 09V W4 1 09V N 0V TKR 851 SCHEMATIC DIAGRAM 78 7 6 5 4 3 2 1 A B C D E X57 696 B 2 1 5 LDT RXD1 KEY2 BUP 1 36 PSW R606 47k PSW TXD1 VLI AMPSW CN601 E40 5701 05 1 14 SOE R602 4 7k ENR R616 47k DAT PTT SOE R605 100k R603 1k C605 0 1u 2SK1824 Q600 STB1 IC602 BU4094BCFV 1 STRB DATA CLK Q1 Q2 Q3 Q4 8 VSS 9 16 CP BATT IC601 RH5VL42C 3 GND 2 VDD 1 OUT X600 14 754M C635 22p CLK C602 0 1u R634 47k C629 100p C634 22p R633 47k CLK R613 0 C639 0 01u KEY3 R612 0 KEY1 RSSI CP600 1k 2 C600 0 1u ENT STB L600 C616 0 01u SC C614 0 01u FWD AM 1 20 C623 0 1u ASQ CP601 1k 2 LD2 CLK R615 0 C613 0 01u STB KEY4 LDR R601 0 R610 0 R608 0 R609 0 R607 0 R600 47k SOE TMP DAT R611 0 IC600 AT24C08A10SI18 1 A0 2 A1 3 A2 4 GND 5 6 7 8 DP R604 33k KEY5 DC SW SHIFT REGISTER TX RX UNIT X57 6962 70 B 2 SURGE PROTECTOR VOLTAGE DETECTOR E
86. 1 12 13 14 C20 C21 C22 C23 C24 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C38 C40 C39 C41 C43 C44 C46 C48 C51 C54 C55 C59 C61 C69 C70 C71 C72 R42 C75 C80 C81 C83 C86 C89 C1 C3 C6 C7 C8 D2 D4 D5 D7 D8 D9 F1 K1 L1 L2 L3 L5 L6 L7 C166 L9 L11 L12 L14 L15 CN51 CN52 D51 D52 IC3 C118 C119 C120 C121 R11 R12 C122 R13 8T 8T C123 R14 C124 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 Q1 Q2 R26 Q3 D S G Q8 R31 C165 R34 R1 R35 R2 R36 R3 R37 R4 R38 R8 R9 R40 L17 R73 L16 R41 R44 R45 VR1 R46 R47 R48 R49 C160 R55 R56 R57 R58 R59 R60 R61 R62 R72 CN3 C12 C13 C14 C17 GND B2 GND B1 Main DC Back up battery J72 0911 09 B 2 B1 GND B2 CN6 MAIN DC RED CN7 BACKUP ORANGE CN8 GND BLACK CHARGE CN4 FAB 1 2 FAG 1 3 B B E CN5 Vg Q4 G D 8T CN1 TX IN 1 4 5 8 PDT VTH Vg PC DET TH1 Q5 G D 1 8 GND NC 8T PC FAS PDT BUP TMP REV FWD ANT J72 0911 09 A 2 TKR 851 PC BOARD FINAL UNIT X45 3742 71 Component side view J72 0911 09 PC BOARD TK
87. 1 C370 C374 C375 C377 C378 C379 C382 C383 C352 C350 D350 D351 D352 D353 CN351 GND VO 2 1 CN350 CN300 GND STT 8CL CV 9CL MO FIN 5C LDR EPT DT CP REF 1 7 6 1 VO GND 1 2 CN351 G S D G S D CN350 CN300 MO 9CL CV 8CL STT GND REF CP DT EPT LDR 5C FIN 7 1 1 6 IC300 1 10 11 20 J72 0752 12 A 2 J72 0752 12 A 2 J72 0752 12 B 2 J72 0752 12 B 2 PC BOARD TKR 851 TX VCO UNIT X58 4810 10 Component side view J72 0752 12 TX VCO UNIT X58 4810 10 Foil side view J72 0752 12 Component side Foil side Layer 1 Layer 2 Component side Foil side Layer 1 Layer 2 Ref No Address IC300 10G Q300 11H Q301 11H Q302 8G Ref No Address D354 4C D355 4B Ref No Address Q350 4F Q351 4H Q355 3G D350 6F Ref No Address D351 6H D352 6G D353 6H TKR 851 SCHEMATIC DIAGRAM 70 7 6 5 4 3 2 1 A B C D E X45 374 1 2 t 8p C33 27p 470p R49 0 470p R50 18 470p Q9 DTD123EK 470p 100u25 470p R56 47k 470p IC1 TK11050M 1 2 3 4 5 6 C106 0 1u C103 10u10 R13 47 1SS355 L14 15n 470p C108 0 1u C24 100u16 C12 470p C22 6p IC2 NJM78L05UA 2 COM 3 IN
88. 1 INB 2 INA 3 GND 4 5 R737 47k C643 10u10 C763 1000p TXD0 1 8 9 16 IC608 TA75S01F 1 2 3 4 OUT 5 VCC 2 COM 3 IN 1 OUT RS232C TRANSCEIVER DET RA RD MB MO CODEC AF AMP TD AF AMP TA AF AMP 1 8V AVR 3 3V AVR AF AMP DEO AF AMP DEI AF AMP 8C SB 5V AVR 5V AVR 3 3V AVR 5V AVR VOLTAGE REGULATOR IC624 628 630 INVERTER AF AMP IC607 MULTIPLEXER VIN5 VOUT5 VOUT6 VIN6 DO VDAref RESET GND VIN7 VOUT7 VOUT8 VIN8 3 3A 3 3D 1 8C IC625 XC62FP3302P IC626 XC62FP3302P IC624 XC62FP1802P IC628 TA78L05F IC627 TA78L05F IC630 TA78L05F SDTI LRCK MCLK SCLK PWAD PWDA AOUTL AOUTR OUT A IN A IN A VSS IN VEE IN IN VEE IN AOUT A IN A IN V C B A X0 X1 X Y VDD IC605 BU4053BCF MIC TXO RXO MB 5C BEEP MO RXI TXI DATA DEI 5TONE GND IC615 M62364FP D A CONVERTER AOUT A IN A IN V C1 V C1 C2 C2 V T2OUT R2IN R2OUT T2IN T1IN R1OUT R1IN T1OUT GND VCC VIN1 VOUT1 VOUT2 VIN2 VDD LD CLK DI VIN3 VOUT3 VOUT4 VIN4 AOUT A IN A IN V AOUT A IN A IN V IC621 TC7S00FU NAND GATE OUTX VCC IN OUT OUT IN GND IC6
89. 1 0K J 1 16W R629 R92 1252 05 CHIP R 0 OHM J 1 16W R630 631 RK73GB1J473J CHIP R 47K J 1 16W R633 634 RK73GB1J473J CHIP R 47K J 1 16W R635 RK73GB1J102J CHIP R 1 0K J 1 16W R637 R92 1252 05 CHIP R 0 OHM J 1 16W R638 RK73GB1J102J CHIP R 1 0K J 1 16W R639 R92 1252 05 CHIP R 0 OHM J 1 16W R640 RK73GB1J102J CHIP R 1 0K J 1 16W R641 R92 1252 05 CHIP R 0 OHM J 1 16W R642 RK73GB1J102J CHIP R 1 0K J 1 16W R643 RK73GB1J473J CHIP R 47K J 1 16W R644 RK73GB1J102J CHIP R 1 0K J 1 16W R645 646 RK73GB1J473J CHIP R 47K J 1 16W R647 652 RK73GB1J102J CHIP R 1 0K J 1 16W R653 654 R92 0670 05 CHIP R 0 OHM R655 RK73GB1J473J CHIP R 47K J 1 16W R656 RK73GB1J102J CHIP R 1 0K J 1 16W R657 661 RK73GB1J473J CHIP R 47K J 1 16W R662 RK73GB1J102J CHIP R 1 0K J 1 16W R663 667 RK73GB1J473J CHIP R 47K J 1 16W R668 RK73GB1J183J CHIP R 18K J 1 16W R669 671 RK73GB1J223J CHIP R 22K J 1 16W R672 RK73GB1J104J CHIP R 100K J 1 16W R673 RK73GB1J224J CHIP R 220K J 1 16W R674 RK73GB1J823J CHIP R 82K J 1 16W R675 RK73GB1J104J CHIP R 100K J 1 16W R676 RK73GB1J823J CHIP R 82K J 1 16W R678 RK73GB1J104J CHIP R 100K J 1 16W R679 680 RK73GB1J223J CHIP R 22K J 1 16W R681 RK73GB1J183J CHIP R 18K J 1 16W R682 RK73GB1J153J CHIP R 15K J 1 16W R683 RK73GB1J124J CHIP R 120K J 1 16W R684 RK73GB1J473J CHIP R 47K J 1 16W R685 686 R
90. 10 4 CP616 10 4 CP618 10 4 CP615 10 4 CP617 10 4 IO6 VLI AI2 AI1 AI3 IO5 MO RXO DATA RXI 5C MIC DEI MB TXO GND 5TONE BEEP TXI CP620 100 2 Q612 DTC144EUA DC SW 5 03V 3 24V TX RX UNIT X57 6962 70 B 2 TKR 851 SCHEMATIC DIAGRAM 80 K L M N O X57 696 B 2 3 5 R695 100 R687 22k Q615 DTC144EUA R701 0 SCLK L605 LRCK C752 470p C831 1000p C747 0 01u R733 0 X601 16 515M SDT0 R813 47k SDTI R724 0 C842 1u25 INTx C714 10u10 R698 10k C748 0 01u C718 0 01u C837 0 01u C710 10u10 DL2 R702 47k C757 10u10 C836 0 01u R820 10k C712 0 01u C713 10u10 C756 10u10 R827 8 2k R822 10k R831 150k C829 0 1u MCLK R727 0 C733 10u10 R694 100 C709 0 01u DL6 R818 1k C719 0 01u C751 0 01u R823 470k R688 47k R696 10k C834 0 1u R691 0 HBIL DL3 XF R826 820k R824 4 7k C832 0 01u R726 47k L607 R821 10k R833 22k DL4 C695 470p C839 270p R704 47k HRW C711 470p RS R700 100 C737 27p C750 0 01u Q603 DTC114EUA C694 10u10 C745 10u10 R825 820k LRCK IC631 TA75W01FU 1 OUT1 2 IN1 3 IN1 4 VEE 5 6 7 8 R723 0 MCLK C708 0 01u HCSL BCLK BCLK R734 47k
91. 100p DL0 A11 IO2 R672 100k C704 0 1u PSW C701 10u10 C838 0 01u IO3 LD2 TMP C730 0 01u DAT R699 0 LDR R780 1k D5 C707 0 01u C692 0 01u DL4 D3 LD1 1 VSS 2 VIN 3 VOUT C830 0 01u R779 47k R765 1k R621 1k C705 0 01u C753 10u10 R705 47k IC612 TC7S04FU 1 NC 2 IN 3 GND 4 5 C693 10u10 C754 10u10 C742 470p C776 1u25 Q613 DTD123TK C816 1000p A17 R720 47k DL5 R713 27k R758 10k DL7 DAT IO4 EPTT CS0 R611 0 D614 DA204U CP603 100 2 C823 47u4 R660 47k R730 100 Q605 DTC114EUA AI1 A15 R799 1k R651 1k IC613 TC74VHC4040FT 1 Q12 Q6 Q5 Q7 Q4 Q3 Q2 8 GND 9 16 R657 47k C833 0 01u IC600 AT24C08A10SI18 1 A0 2 A1 3 A2 4 GND 5 6 7 8 DP R670 22k C744 10u10 CLK R697 100 R693 0 R619 47k TH701 10k C644 0 01u A9 R604 33k R614 47k CN605 E40 5704 05 1 SP 2 SPG CP605 1k 2 SOE C657 0 01u 1 Y1 Y0 Z1 Z Z0 INH VEE 8 VSS 9 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 NC7 38 NC8 39 HCNTL0 40 VSS6 41 BCLKR0 42 BC
92. 103K CHIP C 0 010UF K C52 CK73GB1H103J CHIP C 0 010UF J C53 CK73GB1H102K CHIP C 1000PF K C54 CK73GB1H103J CHIP C 0 010UF J C55 56 CK73GB1H103K CHIP C 0 010UF K C57 CK73GB1H103J CHIP C 0 010UF J C58 CC73GCH1H180J CHIP C 18PF J C59 CC73GCH1H150J CHIP C 15PF J C60 CK73GB1H103K CHIP C 0 010UF K C61 CC73GCH1H080D CHIP C 8 0PF D C62 63 CK73GB1H103K CHIP C 0 010UF K C64 CK73GB1C104K CHIP C 0 10UF K C65 C92 0628 05 CHIP TAN 10UF 10WV C66 67 CC73GCH1H331J CHIP C 330PF J C68 70 CK73GB1C104K CHIP C 0 10UF K C71 CK73GB1H103K CHIP C 0 010UF K C72 C92 0628 05 CHIP TAN 10UF 10WV C73 CK73GB1C104K CHIP C 0 10UF K C74 CK73GB1H102K CHIP C 1000PF K C75 CK73GB1C104K CHIP C 0 10UF K C76 C92 0696 05 CHIP TAN 47UF 10WV C77 CK73GB1H102K CHIP C 1000PF K C78 CK73GB1C104K CHIP C 0 10UF K C79 CK73FB1C224K CHIP C 0 22UF K C80 81 C92 0628 05 CHIP TAN 10UF 10WV C82 84 CK73GB1H103K CHIP C 0 010UF K C86 CK73GB1H102K CHIP C 1000PF K C87 C92 0628 05 CHIP TAN 10UF 10WV C88 CK73GB1H102K CHIP C 1000PF K C89 90 CK73GB1H103J CHIP C 0 010UF J C91 CC73GCH1H040C CHIP C 4 0PF C C92 93 CK73GB1H471K CHIP C 470PF K C94 CC73GCH1H030C CHIP C 3 0PF C C95 CC73GCH1H040C CHIP C 4 0PF C C96 99 CK73GB1H471K CHIP C 470PF K C100 101 CC73GCH1H050C CHIP C 5 0PF C C102 CK73GB1H471K CHIP C 470PF K C104 CK73GB1H471K CHIP C 470PF K C105 C
93. 120 250 500 Example CC45TH 470 60ppm C Capacitor value 010 1pF 2 2 0 22pF 100 10pF 101 100pF Multiplier 102 1000pF 0 001 F 2nd number 103 0 01 F 1st number L W T Dimension TKR 851 23 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts TKR 851 Y54 323X XX FINAL UNIT X45 3742 71 New Parts indicates safety critical components Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert L Scandinavia K USA P Canada Y PX Far East Hawaii T England E Europe Y AAFES Europe X Australia M Other Areas 1 2B A10 4037 21 CHASSIS 2 1B A62 0836 04 COVER TX RX 3 1B A62 0837 04 COVER FINAL 4 1D A62 0840 03 COVER OUTER 5 3A A62 0933 13 PANEL ASSY INNER 6 3C A62 0934 03 FRONT PANEL 8 1F B10 2635 04 FRONT GLASS ACCESSORY 9 1F B11 1259 04 FILTER ACCESSORY 10 3B B42 7158 04 STICKER MODEL NAME 11 1F B62 1774 00 INSTRUCTION MANUAL E 11 1F B62 1775 00 INSTRUCTION MANUAL K 12 2C 3D B72 2202 04 MODEL NAME PLATE E 12 2C 3D B72 2205 04 MODEL NAME PLATE K 14 2C E30 3414 05 DC CORD EXT DC IN 15 1C E30 3418 05 ANTENNA CABLE BNC 16 2C E30 7528 05 ANTENNA CABLE N 1
94. 13 RK73GB1J222J CHIP R 2 2K J 1 16W R314 RK73GB1J474J CHIP R 470K J 1 16W R315 RK73GB1J151J CHIP R 150 J 1 16W R316 RK73FB2A152J CHIP R 1 5K J 1 10W R317 318 R92 1252 05 CHIP R 0 OHM J 1 16W R319 RK73GB1J330J CHIP R 33 J 1 16W R320 RK73GB1J222J CHIP R 2 2K J 1 16W R321 RK73GB1J273J CHIP R 27K J 1 16W R322 RK73GB1J103J CHIP R 10K J 1 16W R350 353 R92 1252 05 CHIP R 0 OHM J 1 16W R354 355 RK73GB1J330J CHIP R 33 J 1 16W R356 RK73GB1J221J CHIP R 220 J 1 16W R357 RK73GB1J181J CHIP R 180 J 1 16W R358 359 RK73GB1J470J CHIP R 47 J 1 16W R360 363 RK73GB1J472J CHIP R 4 7K J 1 16W R364 RK73GB1J103J CHIP R 10K J 1 16W R365 RK73GB1J333J CHIP R 33K J 1 16W R366 RK73GB1J103J CHIP R 10K J 1 16W R367 RK73GB1J101J CHIP R 100 J 1 16W R368 RK73GB1J330J CHIP R 33 J 1 16W D350 353 1SV282 VARIABLE CAPACITANCE DIODE IC300 CD8468 MOS IC IC300 SA7025DK MOS IC Q300 301 2SC4116 GR TRANSISTOR Q302 2SC4226 R24 TRANSISTOR Q350 351 2SK508NV K52 FET Q352 353 2SC4116 Y TRANSISTOR Q354 DTC114EUA DIGITAL TRANSISTOR Q355 2SC4226 R24 TRANSISTOR C304 305 CK73GB1H102K CHIP C 1000PF K C306 CK73GB1H103K CHIP C 0 010UF K C307 CK73GB1H471K CHIP C 470PF K C308 310 CK73FB1E104K CHIP C 0 10UF K C311 C92 0001 05 CHIP C 0 1UF 35WV C312 CC73GCH1H060D CHIP C 6 0PF D C314 CC73GCH1H120J CHIP C 12PF J C315 CK73FB1H473K CHIP C
95. 151 05 IC507 TA78L05F IC506 TA78L05F IN OUT DC SW DC SW 13 10V TKR 851 SCHEMATIC DIAGRAM 74 7 6 5 4 3 2 1 A B C D E X57 696 A 2 1 4 R372 100k R17 820k C304 1000p C310 0 1u R313 2 2k 5CT R20 220k C25 10u10 C319 470p R353 0 C315 0 047u R322 10k D354 1SV214 LDT C354 470p X3 16 8MHz 1 VC 2 GND 3 OUT 4 VDC R90 0 R359 47 C383 470p R316 1 5k C360 0 1u R319 33 L352 1u EPT 7 8 D352 1SV282 C370 7p TC350 8p C329 470p C377 470p R151 1k STT 8CT C320 2 2u10 R153 1k R301 100 R302 100 C86 1000p C312 6p R373 100k C115 10p 9CLT R321 27k C321 4p FCT C317 6p C378 470p FIN 9 5C 10 LDT 11 EPT 12 DP 13 CP 14 REF 15 C306 0 01u R19 470k C89 0 01u R78 47k R320 3 3k 2SC4116 GR Q301 R366 10k R315 150 R317 0 CN351 1 VO 2 GND L353 1u R87 1k CN300 1 2 3 4 5 6 7 C362 12p C323 0 22u C330 470p R311 10k C318 2 2u10 R314 470k C368 7p R308 56 8CLT C379 4p R365 33k R318 0 R367 82 L303 22n C308 0 1u C307 470p DP R152 1k C82 0 01u CP L302 15n R310 3 3k C356 8p R
96. 16 GR Q300 2SC3356 R24 Q11 RIPPLE FILTER Q14 IC3 NJM78L05UA 2SC4116 GR Q15 RIPPLE FILTER 2SC4116 GR Q13 RIPPLE FILTER RIPPLE FILTER Q12 L18 L34 4526 05 L17 L34 4526 05 L14 L34 4527 05 L4 L79 1849 05 L5 L79 1849 05 CF1 L72 0366 05 CF2 L72 0376 05 WIDE NARROW AFO RSSI FLTI FLTO SQLI SCAN HyS GND RFI Q27 DTC144EUA WIDE5kHz WIDE4kHz SWITCH FINAL UNIT X45 3742 71 A 2 CN3 FINAL UNIT X45 3742 71 A 2 CN5 FINAL UNIT X45 3742 71 A 2 CN1 B IN B IN BOUT V 2SC4226 R24 Q355 VO GND L357 L34 4608 82 L356 L34 4608 82 NARROW QS Q S Q8 Q7 Q6 Q5 OE VDD DO LD CLK DI AO1 AO2 NC1 GND 2SC4617 S Q7 Q19 DTC114EUA DC SW 2SC4116 Y Q353 Q23 DTC114EUA DC SW Q25 DTC114EUA DC SW Q24 DTD114EK DC SW 118 0dBm 7 84V T 8 05V R 0V B 7 72V E 7 04V C 7 82V 3 70V 6 0dBm 75mV 28 5mV T 8 05V R 0V 7 90V T 0V R 2 02V B 0 76V E 0V C 4 94V 1 26V 5 02V B 9 02V E 8 36V C 9 04V 5 09V 8 04V 3 0dBm 64 0dBm W5 0V W4 0V N 4 78V 4 1dBm B 0 67V E 0 07V C 3 70V B 1 46V E 0 74V C 6 56V B 1 73V E 0 98V C 6 70V W5 5 05V W4 0V N 0V W5 5 03V W4 5 03V N 0V 3 0dBm W5 1 08V W4 1 08V N 0V 13 12V W5 0V W4 0V N 1 06V 8 06V B 1 31V E 0 54V C 6 66V 13 11V T 2 02V R
97. 174 3 3u16 R60 10k C190 1000p C39 68p R72 330k C139 47u16 CN16 E40 5632 05 1 GND 2 NC 3 8T 4 PC 5 FAS 6 FDT 7 BUP 8 TMP C171 470p C95 4p C157 0 01u R47 15k C321 4p R302 100 C208 100p L25 27n R36 1k C122 0 01u FCT C317 7p C73 0 1u R122 10 1 2 3 4 5 6 C96 470p R303 100 C305 1000p L16 L34 4527 05 L354 1u L43 C33 33p R303 100 C91 4p C367 7p R99 100 R94 100 L360 1u R354 33 L20 1u R322 10k R100 68 C134 0 01u C163 0 01u C40 0 01u C372 470p R53 6 8k C93 470p L300 C159 470p C231 22u10 R355 33 C213 0 01u R312 330 9CLT C354 470p R69 3 3k R311 10k R155 1k 8CR C90 0 01u R65 4 7k C84 0 01u FIN 9 5C 10 LDR 11 EPR 12 DP 13 CP 14 REF 15 C68 0 1u R74 22 D1 DAN235K C314 12p C128 0 01u R304 100 C24 10u10 C374 0 5p C123 0 01u C57 0 01u C322 470p 2 COM 3 IN 1 OUT R154 1k R306 22 C140 0 01u R300 10 2SC4116 GR Q301 C76 47u10 R123 10 CN18 E04 0154 05 C309 0 1u C311 0 1u35 C365 470p C218 0 01u 5CR C322 470p R71 82k C101 5p C55 0 01u C179 0 01u 7 8 D2 DAN235K CN350 1 2 3
98. 1k D3 C743 0 01u R667 47k EMON SDTO R747 10k A0 A8 R827 8 2k CS0 R822 10k C788 100p 1 2 3 4 CONT 5 VCC L613 R774 1M R831 150k RS IC619 TC75W51FU 1 2 3 4 5 IN B 6 IN B 7 OUT B 8 VDD C829 0 1u MCLK C761 0 1u D627 1SS355 R844 330k R727 0 R817 100 R781 470 L601 L604 C733 10u10 R694 100 KEY4 R620 1k INTx R814 47k C828 2 2u10 C709 0 01u D1 C652 100p C822 100p R603 1k DL6 R841 0 C605 0 1u R618 0 C801 10u6 3 C825 0 1u C740 100p DL3 RSSI R729 22k AI2 IC603 TC74LVX4245FS 1 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND1 12 GND2 13 24 2SK1824 Q600 C771 10u6 3 STB1 C640 10u10 IC602 BU4094BCFV 1 STRB DATA CLK Q1 Q2 Q3 Q4 8 VSS 9 16 D629 DA204U A2 C647 100p R818 1k C791 470p C809 1000p D7 C851 0 1u C719 0 01u C751 0 01u R823 470k C691 0 01u C794 1000p C784 1u R637 0 CP CP613 1k 2 A17 A2 1 VSS 2 VIN 3 VOUT RD R739 10k R715 10k R661 47k C826 10u6 3 R688 47k C820 1000p A13 R802 2 2 C810 1000p R696 10k A15 R669 22k R744 39k D6 TDS C662 10u10 C834 0 1u R691 0 R654 0 BATT
99. 2 TKR 851 PC BOARD RX VCO UNIT X58 4800 10 Component side view J72 0751 02 RX VCO UNIT X58 4800 10 Foil side view J72 0751 02 Component side Foil side Layer 1 Layer 2 Component side Foil side Layer 1 Layer 2 Ref No Address IC300 10G Q300 11H Q301 11H Q302 8G Q350 4F Ref No Address Q354 3C Ref No Address Q351 4H Q352 3F Q353 3H Q355 3G D350 6F Ref No Address D351 6H D352 6G D353 6H 69 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 L300 L305 R300 R306 R308 R309 R310 R311 R312 R313 R319 R320 C306 C307 C308 C309 C310 C311 C315 C318 C320 C324 C325 C329 C330 R372 R373 R374 R375 C380 C381 D354 D355 Q300 Q301 Q302 L301 L302 L303 L304 L306 L307 Q350 Q351 Q355 R301 R302 R303 R304 L350 R305 L351 L352 L353 L354 L355 L356 L357 R314 L360 L358 L359 R315 L361 R316 L362 R317 R318 R321 R322 C304 C305 C312 C314 R350 R351 C359 C351 C353 R352 C317 R353 R354 C319 R355 R376 R358 R359 C321 C322 C323 R377 R365 R366 R367 R368 C354 C355 C356 C357 C358 C360 C361 C362 C363 C364 C365 C371 C366 C367 TC350 C369 C368 TC35
100. 2 S503 S504 S505 S506 IC503 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD IC502 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD J601 E08 0877 05 1 NC 5 HOOK 2 MIC 6 MIG 3 PTT 7 GND 4 SB 8 NC R605 1k R604 1k C602 1000p R601 680 C603 100p C606 100p C601 100p C513 100p C514 100p C515 100p C516 100p C517 100p C518 100p IC504 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD R503 0 CP501 470 4 Q512 UPA672T Q513 UPA672T Q514 UPA672T Q517 UPA672T Q516 UPA672T R524 820 1 2W R525 820 1 2W R522 820 1 2W R526 820 1 2W R521 820 1 2W R523 820 1 2W C519 0 01u C511 0 01u C512 0 01u VR601 10k CN601 1 2 3 4 5 6 7 8 9 10 11 CN501 1 2 3 4 5 6 7 8 9 10 11 D601 DA204U D602 DA204U D506 LA 501DD 1 10 6 5 C501 10u10 R502 0 R534 1k R535 1k R536 1k R537 1k R538 1k R539 1k R540 1k D512 DA204U D513 DA204U D514 DA204U C607 0 1u 2SK1824 Q525 R606 47k KEY5 KEY1 KEY3 KEY2 KEY2 KEY3 KEY1 KEY4 PF6 PF5 PF4 PF3 PF2 PF1 DISPLA
101. 22 TC7S66FU MULTIPLEXER IC620 ADM202EARN IC611 NJM4558E IC607 NJM4558E SB AMPSW DXD2 RXD2 RD1 GND RA1 TD1 DATA TAI 5C GND 5 05V 5 03V 8 03V 5 02V 1 81V 3 30V 3 31V TX RX UNIT X57 6962 70 B 2 TKR 851 SCHEMATIC DIAGRAM 82 7 6 5 4 3 2 1 U V W X Y X57 696 B 2 5 5 R773 1k SOE R762 4 7k R750 0 R777 47k 1 8 9 QS Q S Q8 Q7 Q6 Q5 OE 16 VDD C793 1000p IO4 D621 DA204U D628 1SS355 C818 1000p R808 1k R764 1k C814 1000u25 C799 1000p C792 1000p C773 2 2u10 C815 0 1u R807 47k TAS RSSI R783 1k SPM R754 47k R804 1k R782 47k R791 1k C813 1000p R775 47k C811 47u25 R752 0 R805 47k C790 100p C796 1000p Q607 DTC144EUA C800 47u25 D616 DA204U C807 1000p R790 47k AI3 R803 47k R760 1 2k D612 DA204U C802 1000p R776 1k EMON C788 100p L613 R774 1M D627 1SS355 R781 470 C828 2 2u10 AI2 D629 DA204U C791 470p C809 1000p C794 1000p C784 1u C820 1000p R802 2 2 C810 1000p D620 DA204U R778 1k C812 1000p R839 560 EPTT CN603 E40 5887 05 1 SB SB GND 4 GND C798 47u25 Q614 DTD123TK E40 5960 05 1 NC NC SPM IO6 RXG IO5 RA IO4 RD IO3 TA IO2 TD IO1 DG TXG
102. 2C MOS IC IC602 BU4094BCFV MOS IC IC603 TC74LVX4245FS MOS IC IC604 30622M4A 487GP MPU IC605 BU4053BCF MOS IC IC606 TC74LVX4245FS MOS IC IC607 NJM4558E MOS IC IC608 TA75S01F MOS IC IC609 AT29C020 90TI ROM IC IC610 TA75S01F MOS IC IC611 NJM4558E MOS IC IC612 TC7S04FU MOS IC IC613 TC74VHC4040FT MOS IC IC614 AK4550VT MOS IC IC615 M62364FP MOS IC IC616 617 NJM4558E MOS IC IC618 320VC5402PGE MPU IC619 TC75W51FU MOS IC IC620 ADM202EARN MOS IC IC621 TC7S00FU MOS IC IC622 TC7S66FU MOS IC IC623 BU4094BCFV MOS IC IC624 XC62FP1802P MOS IC IC625 626 XC62FP3302P MOS IC IC627 628 TA78L05F MOS IC IC629 3B LA4422 BI POLAR IC IC630 TA78L05F MOS IC IC631 632 TA75W01FU MOS IC Q1 2 2SC3357 TRANSISTOR Q3 2SC3356 R24 TRANSISTOR Q4 DTC144EUA DIGITAL TRANSISTOR Q5 DTA144EUA DIGITAL TRANSISTOR Q6 DTC144EUA DIGITAL TRANSISTOR Q7 2SC4617 S TRANSISTOR Q8 9 2SC3356 TRANSISTOR Q10 2SC3357 TRANSISTOR Q11 2SC3356 R24 TRANSISTOR Q12 15 2SC4116 GR TRANSISTOR Q16 2SB1132 Q R TRANSISTOR Q17 DTC114EUA DIGITAL TRANSISTOR Q18 2SB1386 R TRANSISTOR Q19 DTC114EUA DIGITAL TRANSISTOR Q23 DTC114EUA DIGITAL TRANSISTOR Q24 DTD114EK DIGITAL TRANSISTOR Q25 26 DTC114EUA DIGITAL TRANSISTOR Q27 DTC144EUA DIGITAL TRANSISTOR Q600 2SK1824 FET Q601 DTC114EUA DIGITAL TRANSISTOR Q602 2SK1824 FET Q603 DTC114EUA DIGITAL TRANSISTOR Q604 2SK1824 FET Q605
103. 2MHz SSG Modulation Frequency modulation and external modulation Output 0 1 V to greater than 1mV 2 Power Meter Input Impedance 50 Operation Frequency 400 to 512MHz or more Measurement Capability Vicinity of 30W 3 Deviation Meter Frequency Range 400 to 512MHz 4 Digital Volt Meter Measuring Range 1 to 20V DC DVM Accuracy High input impedance for minimum circuit loading 5 Oscilloscope DC through 30MHz 6 High Sensitivity Frequency Range 10Hz to 600MHz Frequency Counter Frequency Stability 0 2ppm or less 7 Ammeter 10A or more 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 3mV to 3V 9 Audio Generator AG Frequency Range 50Hz to 5kHz Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Voltmeter Measuring Range 10 to 1 5V DC or less Input Impedance 50k V or greater 12 4 Dummy Load Approx 4 5W The following parts are required for adjustment Test cable for local microphone The following test cables are recommended MIC connector Front panel view 1 NC 2 B 3 GND 4 PTT TXD1 PC serial data from radio 5 MIC GND 6 MIC 7 HOOK RXD1 PC serial data to radio 8 NC Test cable for microphone input To connect the TX RX unit A 2 CN14 to the TX RX unit B 2 CN602 while in servicing you can use the 36 pin flat cable E37 0979 05 which is available from the KENWOOD par
104. 3 270 C167 470p C99 470p L26 15n C161 0 01u R121 1 5k L12 330n C126 22u10 C129 0 01u C172 1000p R31 5 6 R128 4 7k R37 6 8k 2SC3357 Q2 C45 4p R39 56 R43 22k C97 470p C38 68p F1 C125 100u16 C92 470p 9CLR 2SC4116 GR Q14 R97 3 3k 5CR CN2 C46 3p C177 470p XF1 44 85MHz L71 0513 05 C30 68p C144 470p L19 L34 4527 05 R125 1 5k C49 68p C44 4p R41 2 2k C148 1000p R34 1k R96 1 8k R143 1k L1 L34 4616 05 XF2 44 85MHz L71 0627 05 C34 0 01u C142 1000p C138 47u16 R129 47k C120 470p C178 4 7u10 IC5 AN8009M 2 COM 3 IN 1 OUT L11 180n C153 470p C173 0 01u 2SC4116 GR Q12 R45 22k R44 22k C143 1000p C146 470p R30 820 R127 10 C51 0 01u C124 100u16 C121 470p R124 1 5k C106 470p C50 68p C130 1000p IC4 NJM7808FA 2 GND 1 IN 3 OUT 8CLT R40 27 C31 330p C131 1000p C48 0 01u C154 10u6 3 D8 DAN235K R150 18 R95 4 7k C158 3 3u16 C151 3 3u16 C127 22u10 8CLR C47 3p A1 W02 1939 05_8 C164 470p R38 0 C41 0 01u R35 1 8k R42 22k C135 0 01u C100 5p C136 47u16 C133 470p C174 3 3u16 C39 68p C139 47u16 C171 470p C95 4p C157 0 01
105. 37 CONTENTS TERMINAL FUNCTION 46 INTERCONNECTION DIAGRAM 50 PC BOARD FINAL UNIT X45 3742 71 52 DISPLAY UNIT X54 3330 21 56 TX RX UNIT X57 6962 70 A 2 60 TX RX UNIT X57 6962 70 B 2 64 RX VCO UNIT X58 4800 10 68 TX VCO UNIT X58 4810 10 69 SCHEMATIC DIAGRAM 70 BLOCK DIAGRAM 83 KES 5 EXTERNAL SPEAKER 86 SPECIFICATIONS 87 TKR 851 2 GENERAL SYSTEM SET UP INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by experienced techni cians familiar with similar types of commercial grade commu nications equipment It contains all required service informa tion for the equipment and is current as of this publication date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions which are issued as required ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment informa tion the full part identification number should be included This applies to all parts components kits and chassis If the part number is not known include the chassis or kit number o
106. 4 470p L27 22n R102 3 3k 2SC3357 Q10 R113 470 R145 47 R148 4 7k R135 5 6 R134 820 R136 820 R131 1k C176 0 01u R161 470 R160 470 R181 1 8k C214 0 01u R164 270 R178 0 R114 0 L29 18n L30 18n C111 6p C109 12p C107 6p R13 270 R11 270 R10 18 C199 0 01u L34 10u C212 0 01u C13 470p R9 22k R8 150 C14 6p C15 6p L33 15n R171 0 C210 8p C211 12p C8 0 5p C3 12p C7 12p C4 470p R5 100 L2 L79 1849 05 L3 18n R2 1 2k C5 470p R3 1k 2SC3357 Q1 L6 18n D7 1SS355 L36 L38 L40 L39 L37 L35 R18 680k R103 1k R169 3 9k C234 0 01u IC9 TK14489V 1 OSC B 2 OSC E 3 NC 4 MIXO 5 VCC 6 IFIN 7 DEC 8 DEC 9 FHASE 10 QUAD 11 12 13 14 15 16 17 SCAN 18 19 20 L307 MB DC SW MO DC SW DC SW MO RF AMP MB U TXVCO MB NOISE DETECTION DC SW FREQUENCY CONTROL FREQUENCY CONTROL FREQUENCY CONTROL MODULATION PLL D354 VCO OSC SURGE PROTECTOR RF AMP Q350 SHIFT REGISTER RF AMP FREQUENCY CONTROL A3 SUB UNIT RX VCO PLL X58 4800 10 W4K SW PLL VCO OSC Q4 RF AMP DC SW BUFFER AMP 8C ACTIVE FILTER 8C W N W N TX RX UNIT X5
107. 4 5 6 C366 7p C375 0 5p C59 15p R109 100 C311 0 1u35 R305 0 R82 470k C166 470p R359 47 C132 470p C376 470p CP C305 1000p C357 470p R306 22 5CT C141 0 01u C371 10p 2SB1386 R Q18 R309 220 IC2 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 R300 10 L10 150n L28 18n C324 0 22u35 C98 470p R88 1k R318 0 D350 1SV282 C185 1000p 2SB1132 Q R Q16 C152 0 01u C60 0 01u R362 4 7k L304 L305 L306 2SC4226 R24 Q302 L358 1u C366 7p R376 180 C364 470p C352 100p C351 470p C350 470p C359 1 5p IC300 SA7025DK 1 2 3 4 5 6 7 8 9 10 11 PHA 12 VSSA 13 PHI 14 PHP 15 VDDA 16 RN 17 RF 18 LOCK 19 TEST 20 VDD IC300 SA7025DK 1 2 3 4 5 6 7 8 9 10 11 PHA 12 VSSA 13 PHI 14 PHP 15 VDDA 16 RN 17 RF 18 LOCK 19 TEST 20 VDD C386 100p C351 470p C350 470p C223 100p C233 0 01u C232 0 01u L31 10u C114 10p IC1 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 C116 10p L32 10u C117 10p C94 3p R168 0 C28 2p L42 6 8n C29 2p R179 0 R175 0 R174 0 R162 270 2SC3356 Q8 2SC3356 Q9 C102 470p R107 47 R105 27 C105 7p C10
108. 4 3 MAIN DC BACK UP GRN RED 1 8 9 16 1 8 9 16 DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Ref No Address IC504 6J IC505 6L Q512 10A Q514 9P D503 7J D504 7M D505 5R D506 5J D507 5L J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VR601 Q512 Q514 J601 S501 PF1 S502 PF2 S503 PF3 S504 PF4 S505 PF5 S506 PF6 S507 POWER D503 TX D504 BUSY D505 D506 D507 IC504 IC505 J72 0756 12 B 2 J72 0756 12 A 2 NC MIC PTT SB NC GND MIG HK 1 3 4 6 1 6 4 3 MAIN DC BACK UP GRN RED 1 8 9 16 1 8 9 16 TKR 851 PC BOARD DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Ref No Address IC504 6J IC505 6L Q512 10A Q514 9P D503 7J D504 7M D505 5R D506 5J D507 5L 58 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R606 Q501 Q502 Q503 Q504 Q506 Q507 Q508 Q509 Q510 Q511 Q516 Q517 Q518 Q519 Q521 Q522
109. 42 45 RK73GB1J223J CHIP R 22K J 1 16W R46 RK73GB1J222J CHIP R 2 2K J 1 16W R47 RK73GB1J153J CHIP R 15K J 1 16W R48 RK73GB1J473J CHIP R 47K J 1 16W R49 RK73GB1J221J CHIP R 220 J 1 16W R50 RK73GB1J153J CHIP R 15K J 1 16W R51 R92 1252 05 CHIP R 0 OHM J 1 16W R52 RK73GB1J223J CHIP R 22K J 1 16W R53 RK73GB1J682J CHIP R 6 8K J 1 16W R54 RK73GB1J102J CHIP R 1 0K J 1 16W R55 RK73GB1J223J CHIP R 22K J 1 16W R56 RK73GB1J682J CHIP R 6 8K J 1 16W R57 RK73GB1J332J CHIP R 3 3K J 1 16W R58 RK73GB1J153J CHIP R 15K J 1 16W R60 RK73GB1J103J CHIP R 10K J 1 16W TX RX UNIT X57 6962 70 TKR 851 29 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts R61 RK73GB1J274J CHIP R 270K J 1 16W R62 RK73GB1J222J CHIP R 2 2K J 1 16W R63 RK73GB1J183J CHIP R 18K J 1 16W R65 RK73GB1J472J CHIP R 4 7K J 1 16W R66 RK73GB1J334J CHIP R 330K J 1 16W R67 RK73GB1J560J CHIP R 56 J 1 16W R68 69 RK73GB1J332J CHIP R 3 3K J 1 16W R70 RK73GB1J102J CHIP R 1 0K J 1 16W R71 RK73GB1J823J CHIP R 82K J 1 16W R72 RK73GB1J334J CHIP R 330K J 1 16W R73 RK73GB1J474J CHIP R 470K J 1 16W R74 75 RK73GB1J220J CHIP R 22 J 1 16W R76 RK73GB1J104J CHIP R 100K J 1 16W R77 78 RK73GB1J473J CHIP R 47K J 1 16W R79 RK73GB1J104J CHIP R 100K J 1 16W R
110. 42 71 A 2 CN1 QS Q S Q8 Q7 Q6 Q5 OE VDD DO LD CLK DI AO1 AO2 NC1 GND 2SC4617 S Q7 Q25 DTC114EUA DC SW Q24 DTD114EK DC SW 118 0dBm 3 70V 75mV 28 5mV 7 90V B 0 76V E 0V C 4 94V 3 0dBm 64 0dBm W5 0V W4 0V N 4 78V B 0 67V E 0 07V C 3 70V W5 5 05V W4 0V N 0V W5 5 03V W4 5 03V N 0V TX RX UNIT X57 6962 70 A 2 t L362 22n C205 100p R372 100k R17 820k C43 3p C369 7p C312 7p C304 1000p C310 0 1u R313 2 2k 5CT CN3 R58 15k R54 1k C149 0 01u C53 1000p C63 0 01u IC10 TA7808F 3 GND 1 IN 2 OUT C137 47u16 R63 18k C315 0 047u L352 1u C42 3p C58 18p R32 820 C383 470p R321 27k C155 0 01u IC7 BU4094BCF 1 STRB 2 DATA 3 CLK 4 Q1 5 Q2 6 Q3 7 Q4 8 VSS 9 10 11 12 13 14 15 16 R101 47 R20 220k C25 10u10 C319 470p EPR C206 100p 5CR R353 0 TC350 8p R14 33k C304 1000p L360 1 5u C318 2 2u10 C37 0 01u R46 2 2k R51 0 D352 1SV282 5CT X1 44 395MHz 8CT C150 22u10 R98 1k C145 4 7u10 C75 0 1u R33 47 D350 1SV282 C364 470p R144 4 7k R319 33 L23 1u R353 0 R106 0 R137 1k R57 3 3k C156 1000p C315 0 047u
111. 5 Value 3 Temp coefficient 6 Tolerance Temperature coefficient 1st Word C L P R S T U Color Black Red Orange Yellow Green Blue Violet ppm C 0 80 150 220 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10 F 10 50 20 20 0 Less than 4 7 F 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 2 3 4 5 6 7 1 Type Chip CH RH UJ SL 2 Shape 3 Dimension EX C K 7 3 F F 1 H 0 0 0 Z 4 Temp coefficient 1 2 3 4 5 6 7 5 Voltage rating Chip B F 6 Value 7 Tolerance RESISTORS Chip resistor Carbon EX R D 7 3 E B 2 B 0 0 0 J 1 2 3 4 5 6 7 Chip B F Carbon resistor Normal type EX R D 1 4 B B 2 C 0 0 0 J 1 2 3 4 5 6 7 Chip B F 1 Type ceramic electrolytic etc 5 Voltage rating 2 Shape round square etc 6 Value 3 Dimension 7 Tolerance 4 Temp coefficient CC45 Color 2nd Word G H J K L ppm C 30 60
112. 5 Final AMP IC3 IC3 Q8 D4 D5 Q2 Drive AMP TX VCO A2 X58 481 FWD DET REV DET PDT to IC604 CPU Fig 3 Driver and final power amplifier circuit 3 4 Automatic Power Control Circuit and Transmitter The automatic power control APC circuit stabilizes the transmitter output power at a pre determined level and con sists of forward reverse power detector circuits and switch ing transistor Q8 The forward reverse power detector cir cuits detects forward RF power and reverse RF power to DC voltage and consists of a CM coupling type detection circuit formed by a strip line RF detector D4 D5 and DC amplifier IC3 A 2 The voltage comparator IC3 B 2 compares the above de tected voltage with a reference voltage set using the micro processor and IC6 located in the TX RX unit An APC voltage proportional to the difference between the sensed voltage and the reference voltage appears at the output of IC3 This output voltage controls the gate voltage for the drive amplifi ers Q3 and Q4 and final amplifier Q5 which keeps the trans mitter output power constant 3 5 RF Power Down Detect When the transmitter output power has dropped to or be low the preset values High Power 10 W Low Power 0 4 W in RF Power Down Detect adjustment IC604 CPU X57 696 detects the drop in power and outputs a Low level default signal to the AUX out port 3 6 Fan Action Control Circuit If fan action is set t
113. 5C NC TXG IO1 IO2 IO3 IO4 IO5 IO6 NC 29 NC NC RXD2 TXD2 AI1 AI2 AI3 DG TD TA RD RA RXG SPM NC 2 1 D629 C691 CP600 CP601 IC623 1 1 1 8 8 8 9 9 9 16 16 16 IC624 IC625 O I G IC627 O G I IC628 O I G O G I IC630 G O I R742 R749 R750 R751 R752 R760 R764 R765 R766 R768 R771 R781 R785 R789 R793 1 1 SPO SPG 2 12 Q607 TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND Q608 C760 C762 C765 C766 C767 C769 20 MIC 5C K5 K3 HK RXD1 PTT TXD1 CLK PSW NC SB 19 MIG VLI K4 K2 K1 SOE STB1 DAT GND SB 1 2 Q612 Q613 Q614 L601 C770 L604 C772 L606 C773 L607 C774 L608 L611 L612 L613 C780 C781 C785 C786 C788 C789 C790 C792 C794 C795 C796 C798 C799 5 TONE 3 3D TMS TD1 DVDD TD0 TCK TCK EMU0 TRST GND NC GND GND GND EMU1 1 1 14 DEI DEO ANI 10 1 J72 0924 09 B 2 TKR 851 PC BOARD TX RX UNIT X57 6962 70 B 2 Component side view J72 0924 09 B 2 TX RX UNIT X57 6962 70 B 2 Component side view J72 0924 09 B 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC601 6A IC602 7K IC605 6K IC607 8O IC623 8K
114. 5C Q606 4C Q609 4E Q610 3E Q611 4D Ref No Address Q615 6I D606 7C D607 7C D608 6C D609 7D D610 6B D611 6E D612 6B Ref No Address D615 6D D616 7B D619 6C D620 7A D622 7B D623 6A D627 4G D628 4D 67 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R600 R602 R606 R614 R615 R616 R618 R619 R813 R620 R814 R621 R622 R817 R623 R818 R624 R819 R625 R626 R627 R629 R820 R821 R822 R823 R824 R630 R825 R631 R826 R827 R633 R828 R634 R829 R635 R637 R638 R639 R830 R831 R832 R833 R834 R640 R641 R642 R837 R643 R644 R645 R646 R647 R648 R649 X600 X601 R650 C614 R651 R652 C616 R656 R659 R660 R661 R662 R663 R664 R665 C629 R666 R667 C824 C634 C829 C635 C638 C830 C831 C832 C833 C834 C640 C835 C641 C836 C837 C838 C839 R687 C840 R688 C842 C843 C844 R691 R692 R693 R695 R697 C851 R699 IC600 1 1 100 25 26 50 51 75 76 1 4 5 8 4 5 8 IC603 1 12 13 24 IC604 IC606 IC609 C693 IC613 1 16 C694 C695 C696 IC618 1 144 CP603 CP604 CP605 CP606 CP607 CP608 CP609 CP610 IC631 CP611 IC632 1 4 5 8
115. 6D Ref No Address D511 6D D512 7E D513 6C D514 6D D601 5R D602 4R D603 4R 59 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R601 R604 R605 11 1 HK MIC MIG PTT GND NC SB NC GND 5M VLI CN601 C601 C602 C603 C606 C607 D601 D602 NC MIC PTT SB NC GND MIG HK D603 Q513 Q516 Q519 R509 R510 R511 R512 R513 R514 R516 CN502 R521 R522 R523 R524 R529 R530 R531 R532 R533 7 C508 C509 C510 C512 C513 C514 C515 1 2 20 SB NC PSW CLK PTT TXD HK RXD K3 K5 5C MIC SB GND DAT STB1 SOE K1 K2 K4 VLI MIG 19 IC501 1 8 9 16 IC503 1 3 4 6 1 3 4 6 RED GRN TX 1 4 5 8 1 3 4 6 J72 0756 12 B 2 PC BOARD TKR 851 DISPLAY UNIT X54 3330 21 Foil side view J72 0756 12 J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R601 R604 R605 11 1 HK MIC MIG PTT GND NC SB NC GND 5M VLI R606 CN601 C601 C602 C603 C606 C607 Q501 Q502 Q503 Q504 Q506 Q507 Q508 Q509 D601 D602 NC MIC PTT S
116. 6W R143 RK73GB1J102J CHIP R 1 0K J 1 16W R144 RK73GB1J472J CHIP R 4 7K J 1 16W R145 RK73FB2A470J CHIP R 47 J 1 10W R148 RK73GB1J472J CHIP R 4 7K J 1 16W R150 RK73GB1J180J CHIP R 18 J 1 16W R151 158 RK73GB1J102J CHIP R 1 0K J 1 16W R160 161 RK73GB1J471J CHIP R 470 J 1 16W R162 164 RK73GB1J271J CHIP R 270 J 1 16W R165 RK73GB1J471J CHIP R 470 J 1 16W R166 RK73GB1J223J CHIP R 22K J 1 16W R168 R92 1252 05 CHIP R 0 OHM J 1 16W R169 RK73GB1J392J CHIP R 3 9K J 1 16W R171 R92 1252 05 CHIP R 0 OHM J 1 16W R174 175 R92 1252 05 CHIP R 0 OHM J 1 16W R176 RK73GB1J473J CHIP R 47K J 1 16W R178 179 R92 1252 05 CHIP R 0 OHM J 1 16W R181 RK73GB1J182J CHIP R 1 8K J 1 16W R182 R92 1252 05 CHIP R 0 OHM J 1 16W R600 RK73GB1J473J CHIP R 47K J 1 16W R601 R92 0670 05 CHIP R 0 OHM R602 RK73GB1J472J CHIP R 4 7K J 1 16W R603 RK73GB1J102J CHIP R 1 0K J 1 16W R604 RK73GB1J333J CHIP R 33K J 1 16W R605 RK73GB1J104J CHIP R 100K J 1 16W R606 RK73GB1J473J CHIP R 47K J 1 16W R607 613 R92 1252 05 CHIP R 0 OHM J 1 16W R614 RK73GB1J473J CHIP R 47K J 1 16W R615 R92 1252 05 CHIP R 0 OHM J 1 16W R616 RK73GB1J473J CHIP R 47K J 1 16W R618 R92 1252 05 CHIP R 0 OHM J 1 16W R619 RK73GB1J473J CHIP R 47K J 1 16W R620 622 RK73GB1J102J CHIP R 1 0K J 1 16W R623 624 R92 1252 05 CHIP R 0 OHM J 1 16W R625 627 RK73GB1J102J CHIP R
117. 7 13 Q6 14 Q5 15 OE 16 VDD CP504 470 4 Q512 UPA672T Q513 UPA672T Q514 UPA672T Q517 UPA672T Q516 UPA672T Q518 UPA672T Q519 UPA672T Q522 UPA672T Q521 UPA672T Q523 UPA672T Q524 UPA672T R520 820 1 2W C525 0 1u C522 0 1u C524 10u10 C521 10u10 D502 HSM88AS R524 820 1 2W R525 820 1 2W R522 820 1 2W R526 820 1 2W R521 820 1 2W R523 820 1 2W Q507 UPA672T C523 0 33u C526 0 33u 2 COM 3 1 2 COM 3 IN 1 OUT C520 0 01u C519 0 01u C511 0 01u C512 0 01u Q510 DTA114EUA R505 68k VR501 10k CN502 MIG MIC VLI 5C K4 K5 K2 K3 K1 HK RXD SOE PTT TXD STB1 CLK DAT PSW GND NC SB SB VR601 10k D503 B30 2151 05 D504 B30 2151 05 2SA1586 Y GR Q502 CN601 1 2 3 4 5 6 7 8 9 10 11 CN501 1 2 3 4 5 6 7 8 9 10 11 S507 D601 DA204U D602 DA204U R516 1 2k 1 2W D506 LA 501DD 1 10 6 5 D507 LA 501DD 1 10 5 6 C501 10u10 R502 0 R534 1k R535 1k R536 1k R537 1k R538 1k R539 1k R540 1k D512 DA204U D513 DA204U D514 DA204U R541 10k R542 10k R543 10k R544 10k C607 0 1u 2SK1824 Q525 R606 47k R518 1 2k 1 2W KEY5 KEY1 KEY3 KEY2 KEY2 KEY3 KEY1 KEY4 KEY5 KEY1 KEY2 KEY4
118. 7 1E E30 3427 15 DC CORD ACCESSORY 18 1E E31 3228 05 TEST SPKR PLUG ACCESSORY 19 1B E37 0902 05 DC WIRE RED 20 1B E37 0903 05 DC WIRE BLACK 21 2C E37 0904 05 D SUB CABLE ASSY 22 3B E37 0905 15 SPEAKER CABLE 23 3A E37 0906 05 LEAD WIRE WITH CONNECTOR CONT DISP 24 3A E37 0908 05 LEAD WIRE WITH CONNECTOR 11P 25 2B E37 0909 05 LEAD WIRE WITH CONNECTOR 8P 26 1B E37 0911 05 LEAD WIRE WITH CONNECTOR 3P 27 2B E37 0912 05 COAXIAL CABLE 28 2C E37 0913 05 TEST SPKR CONNECTOR ASSY 29 1B E37 0934 05 DC WIRE ORANGE 30 2C E37 0964 05 DC BACKUP WIRE BLACK 31 2C E37 0965 05 DC BACKUP WIRE RED 32 2B E37 0967 05 FLAT CABLE 36P 33 2C E70 0402 05 DC BACKUP TERMINAL 35 1C 1E F06 1032 05 FUSE BLADE 10A 32V 36 2C F09 0445 05 CAP D SUB ACCESSORY 37 2C F09 0471 05 FAN MOTOR F10 2374 04 SHIELDING PLATE TX RX F10 2379 04 SHIELDING CASE TX RX COM F10 2409 04 SHIELDING CASE TX RX FOIL 41 1C F20 3322 04 INSULATING SHEET BACKUP 43 1B 2B G02 0576 14 FLAT SPRING 44 2B G02 0829 14 FLAT SPRING 45 3B G02 0885 13 EARTH SPRING 51 1B G02 0894 04 EARTH SPRING FINAL FET 46 2B 3B G10 1263 04 FIBROUS SHEET CHASSIS 47 3C 2D G10 1264 04 FIBROUS SHEET PANEL 48 1F G13 1801 04 CUSHION ACCESSORY 49 1F G13 1802 04 CUSHION ACCESSORY 50 2B G13 1886 04 CUSHION CHASSIS 58 2C G13 2054 04 CUSHION 52 1E H25 0029 04 PROTECTION B
119. 7 TRST 88 TCK 89 TMS 90 NC14 91 CVDD5 92 HPIENA 93 VSS13 94 CLKOUT 95 HD3 96 X1 97 X2 CLKIN 98 RS 99 D0 100 D1 101 D2 102 D3 103 D4 104 D5 105 A16 106 VSS14 107 A17 108 A18 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 C727 0 01u C731 0 01u R689 47k C759 470p C840 4700p R832 8 2k C696 470p C749 470p DC SW COUNTER AF AMP INVERTER SB 8C SB 8C AF AMP INVERTER RXO DATA RXI 5C MIC DEI MB TXO GND BEEP TXI MO 5TONE OUT VCC Q1 CK CLR Q9 Q8 Q10 Q11 Vcc MB MO DEI RXO BEEP DATA TXO 5TONE TXI MIC 5C RXI GND NC1 NC2 VSS1 DVDD1 A10 HD7 A11 A12 A13 A14 A15 NC3 HAS VSS3 NC4 CVDD2 HCS HRW READY PS DS IS R W MSTRB IOSTRB MSC XF HOLDA IAQ HOLD BIO MP MC DVDD2 VSS5 NC5 NC6 A19 NC15 VSS15 DVDD5 D6 D7 D8 D9 D10 D11 D12 HD4 D13 D14 D15 HD5 CVDD6 NC16 HDS1 VSS16 HDS2 DVDD A0 A1 A2 A3 HD6 A4 A5 A6 A7 A8 A9 CVDD7 NC17 NC18 IN2 IN2 OUT B VCC IN2 IN2 OUT B
120. 7 6962 70 B 2 CN602 TX SW DC SW V RXVCOH VOLTAGE REGULATOR D A CONVERTER DC SW DC SW ACTIVE FILTER FM IF SYSTEM W N W N TX RX UNIT X57 6962 70 A 2 FREQUENCY CONTROL 8TC NOISE AMP 8TC RF AMP 8T 8T RF AMP 5CR 5CR A2 SUB UNIT TX VCO PLL X58 4810 10 VO BUFFER AMP BUFFER AMP FREQUENCY CONTROL VCO OSC VOLTAGE REGULATOR WIDE MB VOLTAGE REGULATOR MO VOLTAGE REGULATOR MO V RXVCOL NOISE DETECTION BUFFER AMP ACTIVE FILTER VOLTAGE REGULATOR BUFFER AMP BUFFER AMP VO VO VO MB DC SW MO MO MB WIDE NARROW SW DC SW D350 CURRENT CONTROLL WIDE NARROW SW WIDE NARROW SW WIDE NARROW SW WIDE NARROW SW ACTIVE FILTER TP102 TX CV GND STT 8CL CV 9CL MO GND STT 8CL CV 9CL MO 2SK508NV K52 Q350 VO GND 2SC4226 R24 Q355 CLOCK DATA STROBE VSS RFIN RFIN VCCP REFIN RA AUXIN FIN 5C LDT EPT DP CP REF B IN B IN BOUT V 2SC4116 GR Q300 L356 L34 4645 05 TP101 RX CV GND SRR 8CL CV 9CL NC GND SRR 8CL CV 9CL NC 2SK508NV K52 Q351 2SK508NV K52 Q350 VO GND 2SC4116 Y Q352 DC SW FIN 5C LDR EPR DP CP REF CLOCK DATA STROBE VSS RFIN RFIN VCCP REFIN RA AUXIN 2SC4226 R24 Q302 X2 16 8MHz 2SC41
121. 73J CHIP R 47K J 1 16W R780 RK73GB1J102J CHIP R 1 0K J 1 16W R781 RK73GB1J471J CHIP R 470 J 1 16W R782 RK73GB1J473J CHIP R 47K J 1 16W R783 RK73GB1J102J CHIP R 1 0K J 1 16W R785 RK73GB1J102J CHIP R 1 0K J 1 16W R786 RK73GB1J473J CHIP R 47K J 1 16W R787 RK73GB1J102J CHIP R 1 0K J 1 16W R789 RK73GB1J102J CHIP R 1 0K J 1 16W R790 RK73GB1J473J CHIP R 47K J 1 16W R791 RK73GB1J102J CHIP R 1 0K J 1 16W R793 RK73GB1J102J CHIP R 1 0K J 1 16W R794 RK73GB1J473J CHIP R 47K J 1 16W R795 RK73GB1J102J CHIP R 1 0K J 1 16W R798 RK73GB1J473J CHIP R 47K J 1 16W R799 RK73GB1J102J CHIP R 1 0K J 1 16W R802 RK73FB2A2R2J CHIP R 2 2 J 1 10W R803 RK73GB1J473J CHIP R 47K J 1 16W R804 RK73GB1J102J CHIP R 1 0K J 1 16W R805 RK73GB1J473J CHIP R 47K J 1 16W R806 RK73GB1J102J CHIP R 1 0K J 1 16W R807 RK73GB1J473J CHIP R 47K J 1 16W R808 RK73GB1J102J CHIP R 1 0K J 1 16W R809 RK73GB1J473J CHIP R 47K J 1 16W R810 RK73GB1J102J CHIP R 1 0K J 1 16W R811 RK73GB1J473J CHIP R 47K J 1 16W R812 RK73GB1J223J CHIP R 22K J 1 16W R813 814 RK73GB1J473J CHIP R 47K J 1 16W R815 RK73GB1J104J CHIP R 100K J 1 16W R817 RK73GB1J101J CHIP R 100 J 1 16W R818 RK73GB1J102J CHIP R 1 0K J 1 16W R819 822 RK73GB1J103J CHIP R 10K J 1 16W R823 RK73GB1J474J CHIP R 470K J 1 16W R824 RK73GB1J472J CHIP R 4 7K J 1 16W R825 826 RK73
122. 762 C765 C767 Q613 Q614 C770 C772 C773 L607 C774 L608 L611 L612 L613 C781 C788 C789 C790 C792 C794 C795 C796 C798 C799 K EMU0 D EMU1 1 14 DEI DEO ANI 10 1 TX RX UNIT X57 6962 70 B 2 Component side view J72 0924 09 B 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R601 R603 R604 R605 R607 R609 R611 R612 R613 CN600 CN601 R812 CN603 CN604 CN605 CN606 CN607 RSSI CN608 RSSI CN609 8C CN610 SB C600 R836 R839 C800 C801 C802 C803 R840 C804 R841 C805 C806 C807 C613 C808 C809 R653 R654 R655 R657 R658 C810 C811 C812 C813 C814 C816 C817 SB IC629 C623 C818 C819 C820 R669 C823 C825 C826 C827 C828 R671 R672 R674 R675 R676 C642 C644 C645 C646 C649 C652 C657 D600 C663 D614 1 SB SB GND GND AO5 AO4 AO3 SPO SPO AO2 AO1 SPI RSI RD SPG SPG 4 D618 C681 D621 IC601 G I O IC602 IC605 D626 IC607 1 4 5 8 30 NC NC NC EMON EPTT
123. 79 100k C87 10u10 C80 10u10 L354 1u R368 33 L362 33n L301 15n C325 4p C380 0 5p R351 0 C382 470p 1 2 3 4 5 6 R303 100 C305 1000p L360 1u R354 33 L300 C231 22u10 R312 330 R74 22 C314 12p R304 100 C24 10u10 C374 0 5p R154 1k R306 22 R300 10 C309 0 1u C322 470p C179 0 01u CN350 1 2 3 4 5 6 C311 0 1u35 R305 0 R82 470k 5CT R309 220 C324 0 22u35 D350 1SV282 L304 L305 L306 2SC4226 R24 Q302 L358 1u C366 7p R376 180 C364 470p C352 100p C351 470p C350 470p C359 1 5p IC300 SA7025DK 1 2 3 4 5 6 7 8 9 10 11 PHA 12 VSSA 13 PHI 14 PHP 15 VDDA 16 RN 17 RF 18 LOCK 19 TEST 20 VDD C223 100p C233 0 01u C232 0 01u L31 10u C114 10p IC1 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 C28 2p L42 6 8n C29 2p R179 0 R174 0 R18 680k C234 0 01u L307 U TXVCO FREQUENCY CONTROL MODULATION D354 VCO OSC Q350 PLL BUFFER AMP ACTIVE FILTER TX RX UNIT X57 6962 70 A 2 A2 SUB UNIT TX VCO PLL X58 4810 10 BUFFER AMP FREQUENCY CONTROL MB MO ACTIVE FILTER BUFFER AMP VO D350 TP102 TX CV GND STT 8CL CV 9CL
124. 82 RK73GB1J474J CHIP R 470K J 1 16W R83 R92 1252 05 CHIP R 0 OHM J 1 16W R87 88 RK73GB1J102J CHIP R 1 0K J 1 16W R90 R92 1252 05 CHIP R 0 OHM J 1 16W R91 RK73GB1J472J CHIP R 4 7K J 1 16W R92 RK73GB1J182J CHIP R 1 8K J 1 16W R93 94 RK73GB1J101J CHIP R 100 J 1 16W R95 RK73GB1J472J CHIP R 4 7K J 1 16W R96 RK73GB1J182J CHIP R 1 8K J 1 16W R97 RK73GB1J332J CHIP R 3 3K J 1 16W R98 RK73GB1J102J CHIP R 1 0K J 1 16W R99 RK73GB1J101J CHIP R 100 J 1 16W R100 RK73GB1J680J CHIP R 68 J 1 16W R101 RK73GB1J470J CHIP R 47 J 1 16W R102 RK73GB1J332J CHIP R 3 3K J 1 16W R103 RK73GB1J102J CHIP R 1 0K J 1 16W R105 RK73GB1J270J CHIP R 27 J 1 16W R106 R92 1252 05 CHIP R 0 OHM J 1 16W R107 RK73GB1J470J CHIP R 47 J 1 16W R109 RK73GB1J101J CHIP R 100 J 1 16W R113 RK73GB1J471J CHIP R 470 J 1 16W R114 R92 1252 05 CHIP R 0 OHM J 1 16W R120 121 RK73GB1J152J CHIP R 1 5K J 1 16W R122 123 RK73GB1J100J CHIP R 10 J 1 16W R124 125 RK73GB1J152J CHIP R 1 5K J 1 16W R126 127 RK73GB1J100J CHIP R 10 J 1 16W R128 RK73GB1J472J CHIP R 4 7K J 1 16W R129 130 RK73GB1J473J CHIP R 47K J 1 16W R131 RK73GB1J102J CHIP R 1 0K J 1 16W R134 RK73GB1J821J CHIP R 820 J 1 16W R135 RK73GB1J5R6J CHIP R 5 6 J 1 16W R136 RK73GB1J821J CHIP R 820 J 1 16W R137 138 RK73GB1J102J CHIP R 1 0K J 1 16W R139 142 R92 1252 05 CHIP R 0 OHM J 1 1
125. A78L05F MOS IC Q501 2SC4116 Y TRANSISTOR Q502 2SA1586 Y GR TRANSISTOR Q503 504 UPA672T FET Q506 DTA114EUA DIGITAL TRANSISTOR Q507 UPA672T FET Q508 511 DTA114EUA DIGITAL TRANSISTOR Q512 514 UPA672T FET Q516 519 UPA672T FET Q521 524 UPA672T FET Q525 2SK1824 FET C3 CC73GCH1H120J CHIP C 12PF J C4 5 CK73GB1H471K CHIP C 470PF K DISPLAY UNIT X54 3330 21 TX RX UNIT X57 6962 70 FINAL UNIT X45 3742 71 DISPLAY UNIT X54 3330 21 TX RX UNIT X57 6962 70 TKR 851 26 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts C7 CC73GCH1H120J CHIP C 12PF J C8 CC73GCH1H0R5C CHIP C 0 5PF C C13 CK73GB1H471K CHIP C 470PF K C14 15 CC73GCH1H060D CHIP C 6 0PF D C24 C92 0695 05 CHIP TAN 10UF 10WV C25 C92 0628 05 CHIP TAN 10UF 10WV C28 29 CC73GCH1H020C CHIP C 2 0PF C C30 CC73GCH1H680J CHIP C 68PF J C31 CC73GCH1H331J CHIP C 330PF J C32 CK73GB1H103K CHIP C 0 010UF K C33 CC73GCH1H330J CHIP C 33PF J C34 CK73GB1H103K CHIP C 0 010UF K C36 37 CK73GB1H103K CHIP C 0 010UF K C38 39 CC73GCH1H680J CHIP C 68PF J C40 41 CK73GB1H103K CHIP C 0 010UF K C42 43 CC73GCH1H030C CHIP C 3 0PF C C44 45 CC73GCH1H040C CHIP C 4 0PF C C46 47 CC73GCH1H030C CHIP C 3 0PF C C48 CK73GB1H103K CHIP C 0 010UF K C49 50 CC73GCH1H680J CHIP C 68PF J C51 CK73GB1H
126. AG 60 110 0 07 53 1F H25 0747 04 PROTECTION BAG 250X350 TKR 851 54 1E H25 0762 04 PROTECTION BAG 120X300 55 1F H25 2328 04 PROTECTION BAG 80 250 0 07 57 3F H52 2013 02 ITEM CARTON CASE 59 1E J02 0475 05 FOOT ACCESSORY 60 1E J02 0492 04 FOOT ACCESSORY 61 1F J21 8402 04 HARDWARE FIXTURE ACCESSORY 64 1B J21 8467 04 HARDWARE FIXTURE DRIVE FET 62 1E J59 0302 05 GROMMET ACCESSORY J61 0307 05 BAND 65 1E K01 0418 15 HANDLE ACCESORY 66 3A K29 5389 03 KNOB VOLUME 67 3A K29 5460 02 KEY TOP 68 3A K29 9106 04 KNOB DC SOURCE A 2C N09 2292 05 HEXAGON HEAD SCREW B 1C 2C N30 2606 46 PAN HEAD MACHINE SCREW C 2A 1E N30 4006 46 PAN HEAD MACHINE SCREW D 2B 2C N30 4014 46 PAN HEAD MACHINE SCREW E 1C N30 4020 45 PAN HEAD MACHINE SCREW F 1C 2C N32 3006 46 FLAT HEAD MACHINE SCREW G 3B 3C N32 4008 45 FLAT HEAD MACHINE SCREW H 1B N33 3006 45 OVAL HEAD MACHINE SCREW J 1E N35 3006 45 BINDING HEAD MACHINE SCREW ACCESSORY K 1C N35 4006 45 BINDING HEAD MACHINE SCREW L 1B 3B N67 3008 46 PAN HEAD SEMS SCREW W M 1C N80 2608 45 PAN HEAD TAPTITE SCREW N 2C N87 2606 46 BRAZIER HEAD TAPTITE SCREW O 3A N87 3005 45 BRAZIER HEAD TAPTITE SCREW P 2B 3B N87 3006 46 BRAZIER HEAD TAPTITE SCREW R 2C N90 3014 46 TP HEAD MACHINE SCREW 70 3A T07 0247 05 SPEAKER 490 0174 05 ADHESIVE TAPE C1 CK73GB1H471K CHIP C 470PF K C3 C90 2146 05 ELECTRO
127. ATION TKR 851 7 Note Relationship between TEST SPKR connector 15 pin con nection and speaker output When pins 9 and 12 are shorted Built in internal speaker is used When pins 9 and 12 are open and output is from pins 6 and 12 KES 4 or KES 5 is used 4 Accessory Cabinet You can install optional accessories such as a DC power supply or duplexers in the accessory cabinet 1 Place the optional accessory in the cabinet as shown be low 2 If necessary attach cushions G13 1801 04 and or G13 1802 04 to the top plate J21 8402 04 in order to adjust the space between the cabinet and the top plate Then insert the 3 tabs of the plate into the slots in the side of the cabinet High middle or low positions are available To afix the plate inset and tighten 2 screws on the other side of the plate You can also flip the top plate upside down to adjust a height of the cabinet space Fig 4 1 Fig 4 2 Fig 4 3 or Hardware fixture Insert the plate tabs to set the height position high middle or low Tighten screws Cushion G13 1801 04 or G13 1802 04 The top plate can be inverted to adjust the height of the cabinet space INSTALLATION Fig 5 TKR 851 8 5 Key Cover To avoid accidentally pressing the keys you can install the key cover 1 Install and fix the key protector using the 5 supplied screws N35 3006 45 Screws N35 3006 45 x 5 6 Desktop Repeater When you use t
128. AVE ON DISP OFF Receive 1 2A Transmit Receive Less than 8A Duty Cycle Receive 100 Transmit 100 1 25W Frequency Stability Less than 0 00015 30 C to 60 C Antenna Impedance 50 Operating Temperature Range 30 C to 60 C Dimensions 483 W x 88 H x 340 D mm Weight 9 7kg RECEIVER Measured by EN 300 086 Sensitivity 0 45 V Adjucent Channel Selectivity 83dB 25kHz 80dB 20kHz 75dB 12 5kHz Intermodulation 72dB Spurious amp Image Rejection 90dB Audio Output Ext Speaker 4W at 4 less than 5 distortion Audio Distortion Ext Speaker Less than 2 5 at 1000Hz Band Spread 5MHz TRANSMITTER Measured by EN 300 086 RF Power Output 25W adjustable to 1W 100 duty 1 25W
129. B NC GND MIG HK D603 Q510 Q511 Q513 Q516 Q517 Q518 Q519 Q521 Q522 Q523 Q524 Q525 R502 R503 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R516 R517 R518 R519 CN501 CN502 R520 R521 R522 R523 R524 R525 R526 R529 R530 R531 R532 R533 R534 R535 R536 R537 R538 R539 C501 C502 C503 R540 C504 R541 C505 R542 C506 R543 C507 R544 C508 C509 C510 C511 C512 C513 C514 C515 1 2 20 SB NC PSW CLK PTT TXD HK RXD K3 K5 5C MIC SB GND DAT STB1 SOE K1 K2 K4 VLI MIG 19 C516 C517 C518 C519 C520 C521 C522 C523 C524 C525 VR501 C526 D501 D502 D508 D509 D510 D511 D512 D513 D514 IC501 IC502 1 8 9 16 1 8 9 16 IC503 IC506 O G I IC507 O G I CP501 CP502 CP503 CP504 RED GRN BACKUP MAIN DC 1 3 4 6 1 1 3 3 4 4 6 6 D S G 1 1 3 3 4 4 6 1 3 4 6 1 3 4 6 6 1 3 4 6 1 3 4 6 1 3 4 6 1 3 4 6 RED GRN BUSY RED GRN TX 1 4 5 8 1 3 4 6 VLI 5M GND NC SB NC GND PTT MIG MIC HK 11 1 J72 0756 12 B 2 J72 0756 12 A
130. B O Strobe output for shift register 22 CK O Clock output 23 DT O Data output 24 LDT I Lock detector for TX PLL 25 LDR I Lock detector for RX PLL 26 EPT O Enable output for TX PLL 27 EPR O Enable output for RX PLL 28 CP O Clock output for PLL 29 DP O Data output for PLL 30 SC I Squelch control signal input 31 RSSI I RSSI signal input 32 ASQ I Squelch signal input 33 GND Ground 34 NC No connection 35 DET I Detection signal input 36 NC No connection CN603 1 SB O Power supply output after power switch To ACC 2 SB O Power supply output after power switch 15 pin 3 GND Ground connector 4 GND Ground CN604 1 AO5 O Auxiliary output 5 FPU selectable 2 AO4 O Auxiliary output 4 FPU selectable To ACC 3 AO3 O Auxiliary output 3 FPU selectable 15 pin 4 SPO O External speaker output connector 5 SPO O External speaker output 6 AO2 O Auxiliary output 2 FPU selectable 7 AO1 O Auxiliary output 1 FPU selectable 8 SPI I Internal speaker input 9 RSSI O RSSI signal output 10 RD O RX data output 11 SPG External speaker ground 12 SPG External speaker ground CN605 1 SPO O Internal speaker AF output 2 SPG Internal speaker ground CN606 1 NC No connection 2 NC No connection To ACC 3 SPM I Speaker mute signal input 25 pin 4 IO6
131. C233 C232 L36 C5 C7 C121 L37 C122 L38 R101 C123 L39 R134 R162 L40 R136 R160 R135 C126 R161 R145 C127 R163 R178 R19 C128 R164 R20 C129 R165 R166 L43 R17 C130 R18 C131 C211 C132 C133 C134 Q1 E C B C135 Q2 B C E Q3 Q5 R176 Q6 Q7 Q8 Q9 C140 C141 C142 R33 C143 R34 R2 R35 C145 R36 C146 R37 R38 C148 R5 R39 C149 C8 R14 R8 R40 C150 C151 R42 C152 R43 C153 C154 C155 C156 R47 C157 R48 C52 R49 R51 R52 C162 R53 C163 C164 R55 R56 C166 C167 R58 C175 R66 C176 R67 C177 R68 C178 C179 R71 R72 R73 R74 C184 R75 C185 R76 R77 R78 R79 C189 C190 C191 R82 C29 C28 C192 C193 R83 C194 C195 R87 C197 R88 C198 C199 R90 R91 R92 R93 R94 R95 C94 R96 L42 X2 R97 X3 R98 R99 C210 IC11 O G I GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO 1 4 5 8 GND2 VO FIN 5C LDR EPR DP CP REF GND1 SRR 8CL CV 9CL NC J72 0924 09 A 2 TKR 851 PC BOARD TX RX UNIT X57 6962 70 A 2 Foil side view J72 0924 09 A 2 TX RX UNIT X57 6962 70
132. C73GCH1H070D CHIP C 7 0PF D C106 CK73GB1H471K CHIP C 470PF K C107 CC73GCH1H060D CHIP C 6 0PF D C109 CC73GCH1H120J CHIP C 12PF J C111 CC73GCH1H060D CHIP C 6 0PF D C114 117 CC73GCH1H100D CHIP C 10PF D C120 121 CK73GB1H471K CHIP C 470PF K C122 123 CK73GB1H103K CHIP C 0 010UF K C124 125 C92 1341 05 ELECTRO 100UF 16WV C126 127 C92 0633 05 CHIP TAN 22UF 10WV C128 129 CK73GB1H103K CHIP C 0 010UF K C130 131 CK73GB1H102K CHIP C 1000PF K C132 133 CK73GB1H471K CHIP C 470PF K C134 135 CK73GB1H103K CHIP C 0 010UF K C136 139 C90 4016 05 ELECTRO 47UF 16WV C140 141 CK73GB1H103K CHIP C 0 010UF K C142 143 CK73GB1H102K CHIP C 1000PF K C144 CK73GB1H471K CHIP C 470PF K C145 C92 0606 05 CHIP TAN 4 7UF 10WV C146 CK73GB1H471K CHIP C 470PF K C147 C92 0633 05 CHIP TAN 22UF 10WV C148 CK73GB1H102K CHIP C 1000PF K C149 CK73GB1H103K CHIP C 0 010UF K C150 C92 0633 05 CHIP TAN 22UF 10WV C151 C92 0008 05 CHIP TAN 3 3UF 16WV C152 CK73GB1H103K CHIP C 0 010UF K C153 CK73GB1H471K CHIP C 470PF K C154 C92 0560 05 CHIP TAN 10UF 6 3WV C155 CK73GB1H103K CHIP C 0 010UF K C156 CK73GB1H102K CHIP C 1000PF K C157 CK73GB1H103K CHIP C 0 010UF K C158 C92 0008 05 CHIP TAN 3 3UF 16WV C159 CK73GB1H471K CHIP C 470PF K C160 CK73GB1H102K CHIP C 1000PF K C161 163 CK73GB1H103K CHIP C 0 010UF K C164 CK73GB1H471K CHIP C 470PF K C166 167 CK73GB1
133. CC73GCH1H101J CHIP C 100PF J C607 CK73GB1C104K CHIP C 0 10UF K CN501 E40 6140 05 PIN ASSY CN502 E40 6102 05 PIN ASSY CN601 E40 6141 05 PIN ASSY J601 E08 0877 05 MODULAR JACK J31 0543 05 COLLAR LH 5 1 5 CP501 504 RK75GB1J471J CHIP COM 470 J 1 16W R502 503 R92 1252 05 CHIP R 0 OHM J 1 16W R505 RK73GB1J683J CHIP R 68K J 1 16W R506 RK73GB1J103J CHIP R 10K J 1 16W R507 RK73GB1J682J CHIP R 6 8K J 1 16W R508 RK73GB1J102J CHIP R 1 0K J 1 16W R509 RK73GB1J103J CHIP R 10K J 1 16W R510 RK73GB1J224J CHIP R 220K J 1 16W R511 512 RK73GB1J103J CHIP R 10K J 1 16W R513 RK73GB1J104J CHIP R 100K J 1 16W R514 RK73GB1J154J CHIP R 150K J 1 16W R516 R92 2565 05 CHIP R 1 2K J 1 2W R517 R92 2023 05 CHIP R 820 J 1 2W R518 519 R92 2565 05 CHIP R 1 2K J 1 2W R520 526 R92 2023 05 CHIP R 820 J 1 2W R529 540 RK73GB1J102J CHIP R 1 0K J 1 16W R541 544 RK73GB1J103J CHIP R 10K J 1 16W R601 RK73GB1J681J CHIP R 680 J 1 16W R604 605 RK73GB1J102J CHIP R 1 0K J 1 16W R606 RK73GB1J473J CHIP R 47K J 1 16W VR501 R32 0643 05 SEMI FIXED VARIABLE RESISTOR VR601 R31 0630 05 VARIABLE RESISTOR S501 506 S70 0410 15 TACT SWITCH S507 S68 0410 05 PUSH SWITCH D501 502 HSM88AS DIODE D506 507 LA 501DD LED D508 514 DA204U DIODE D601 602 DA204U DIODE D603 MINISMDC020 VARISTOR IC501 NJM4558E MOS IC IC502 505 BU4094BCFV MOS IC IC506 507 T
134. CC73GCH1H101J CHIP C 100PF J C634 635 CC73GCH1H220J CHIP C 22PF J C638 CK73GB1C104K CHIP C 0 10UF K C639 CK73GB1E103K CHIP C 0 010UF K C640 C92 0628 05 CHIP TAN 10UF 10WV C641 CK73GB1C104K CHIP C 0 10UF K C642 CK73GB1E103K CHIP C 0 010UF K C643 C92 0628 05 CHIP TAN 10UF 10WV C644 CK73GB1E103K CHIP C 0 010UF K C645 646 C92 0628 05 CHIP TAN 10UF 10WV C647 CC73GCH1H101J CHIP C 100PF J C648 CK73GB1E103K CHIP C 0 010UF K C649 CC73GCH1H330J CHIP C 33PF J C652 CC73GCH1H101J CHIP C 100PF J C657 CK73GB1E103K CHIP C 0 010UF K C662 C92 0628 05 CHIP TAN 10UF 10WV C663 C92 0519 05 CHIP TAN 1 0UF 25WV C670 C92 0003 05 CHIP TAN 0 47UF 25WV C679 C92 0628 05 CHIP TAN 10UF 10WV C681 C92 0546 05 CHIP TAN 68UF 6 3WV C684 CC73GCH1H101J CHIP C 100PF J C685 CK73GB1E103K CHIP C 0 010UF K C690 CC73GCH1H101J CHIP C 100PF J C691 692 CK73GB1E103K CHIP C 0 010UF K C693 694 C92 0628 05 CHIP TAN 10UF 10WV C695 696 CK73GB1H471K CHIP C 470PF K C697 698 C92 0628 05 CHIP TAN 10UF 10WV C700 701 C92 0628 05 CHIP TAN 10UF 10WV C703 704 CK73GB1C104K CHIP C 0 10UF K C705 CK73GB1E103K CHIP C 0 010UF K C706 C92 0628 05 CHIP TAN 10UF 10WV C707 709 CK73GB1E103K CHIP C 0 010UF K C710 C92 0628 05 CHIP TAN 10UF 10WV C711 CK73GB1H471K CHIP C 470PF K C712 CK73GB1E103K CHIP C 0 010UF K C713 714 C92 0628 05 CHIP TAN 10UF 10WV C715 CK73
135. CHIP R 0 OHM J 1 16W R22 R92 1213 05 CHIP R 100 J 1 2W R23 RK73FB2A124J CHIP R 120K J 1 10W R24 RK73FB2A104J CHIP R 100K J 1 10W R26 RK73GB1J101J CHIP R 100 J 1 16W R31 RK73GB1J224J CHIP R 220K J 1 16W R34 R92 1252 05 CHIP R 0 OHM J 1 16W R35 RK73GB1J104J CHIP R 100K J 1 16W R36 R92 1252 05 CHIP R 0 OHM J 1 16W R37 R92 0670 05 CHIP R 0 OHM R38 RK73GB1J473J CHIP R 47K J 1 16W R40 RK73FB2A101J CHIP R 100 J 1 10W R41 42 R92 1252 05 CHIP R 0 OHM J 1 16W R44 R92 0670 05 CHIP R 0 OHM R45 RK73GB1J223J CHIP R 22K J 1 16W R46 RK73GB1J471J CHIP R 470 J 1 16W R47 RK73GB1J222J CHIP R 2 2K J 1 16W R48 RK73GB1J471J CHIP R 470 J 1 16W R49 R92 1217 05 CHIP R 0 OHM R50 R92 1317 05 CHIP R 18 J 1W R51 RK73GB1J104J CHIP R 100K J 1 16W R52 RK73GB1J393J CHIP R 39K J 1 16W FINAL UNIT X45 3742 71 TKR 851 25 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts R53 RK73GB1J154J CHIP R 150K J 1 16W R54 RK73GB1J102J CHIP R 1 0K J 1 16W R55 RK73GB1J474J CHIP R 470K J 1 16W R56 RK73GB1J473J CHIP R 47K J 1 16W R57 RK73GB1J471J CHIP R 470 J 1 16W R58 RK73GB1J474J CHIP R 470K J 1 16W R59 R92 1252 05 CHIP R 0 OHM J 1 16W R60 RK73GB1J103J CHIP R 10K J 1 16W R61 R92 2687 05 RESISTOR 5 6 J 5W R62 RK73GB1J103J CHIP R
136. CK73FB1E104K CHIP C 0 10UF K C54 C90 2146 05 ELECTRO 100UF 25WV C55 C93 0599 05 CHIP C 470PF 500WV C59 CM73F2H150D CHIP C 15PF D C61 CM73F2H471J CHIP C 470PF J C69 CC73GCH1H101J CHIP C 100PF J C70 CK73FB1E104K CHIP C 0 10UF K C71 72 CK73GB1H471K CHIP C 470PF K C75 CK73GB1H471K CHIP C 470PF K C77 CC73GCH1H101J CHIP C 100PF J C78 CK73GB1H471K CHIP C 470PF K C79 CK73FB1E104K CHIP C 0 10UF K C80 C92 0777 05 ELECTRO 1000UF 25WV C81 CM73F2H471J CHIP C 470PF J C83 C93 0556 05 CHIP C 6 0PF 500WV C86 C93 0560 05 CHIP C 10PF 500WV C89 C93 0555 05 CHIP C 5 0PF 500WV C91 98 CK73GB1H471K CHIP C 470PF K C99 CK73FB1E104K CHIP C 0 10UF K C100 102 CK73GB1H471K CHIP C 470PF K C103 C92 0628 05 CHIP TAN 10UF 10WV C104 CC73GCH1H101J CHIP C 100PF J C105 CK73GB1H471K CHIP C 470PF K C106 CK73FB1E104K CHIP C 0 10UF K C107 CC73GCH1H101J CHIP C 100PF J C108 CK73FB1E104K CHIP C 0 10UF K C109 CC73GCH1H101J CHIP C 100PF J C112 CK73GB1H471K CHIP C 470PF K C113 CK73FB1E104K CHIP C 0 10UF K C114 CK73GB1H471K CHIP C 470PF K C115 CK73FB1E104K CHIP C 0 10UF K C116 CK73GB1H471K CHIP C 470PF K C117 CK73FB1E104K CHIP C 0 10UF K C118 C93 0558 05 CHIP C 8 0PF 500WV C119 CK73GB1H471K CHIP C 470PF K C120 CK73FB1H223K CHIP C 0 022UF K C121 122 CM73F2H150J CHIP C 15PF J C123 124 CM73F2H220J CHIP C 22PF J C160 CM73F2H471
137. CP612 CP613 CP614 CP615 CP616 CP617 CP618 CP619 CP620 R700 R701 R702 R703 R704 R705 R720 R723 R724 R726 R727 R730 R731 R733 R734 C707 C708 C709 C710 C711 C712 C713 C714 C716 C717 C718 C719 C727 C731 C732 C733 C734 C735 C737 C738 C741 C742 C745 C747 C748 C749 C750 C751 C752 C753 C754 C755 C756 C757 Q600 D S G C759 Q601 Q602 Q603 Q604 G S D L600 L602 L603 L605 J72 0924 09 B 2 G S D 36 37 72 73 108 109 1 12 13 24 1 16 17 32 TMS TD1 DVDD TD0 TCK TCK EMU0 TRST GND NC GND GND GND EMU1 TX RX UNIT X57 6962 70 B 2 Foil side view J72 0924 09 B 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R600 R602 R606 R608 R802 R803 R804 R610 R805 R806 R807 R614 R808 R615 R809 R616 R618 R619 R810 R811 CN602 R813 R620 R814 R621 R815 R622 R817 R623 R818 R624 R819 R625 R626 R627 R629 R820 R821 R822 R823 R824 R630
138. D BUP TMP GND MO GND NC SB SB 8C DET GND RSSI DP EPR LDR DT STB LD2 PSW SOE MB GND QS SB SB NC 8C C174 R65 R69 R70 CN2 CN4 X1 1 2 IC10 I O G PSW SB 8CR MO WIDE NARROW FCT 9V TKR 851 PC BOARD TX RX UNIT X57 6962 70 A 2 Component side view J72 0924 09 A 2 Ref No Address IC4 11B IC5 10I IC9 7D IC10 11I Ref No Address Q4 9F Q16 10K Q17 10K Q26 8E Ref No Address Q27 9F D1 7J D2 7F 61 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C37 C14 C15 Q16 B C E Q17 A1 D1 CN16 CN19 1 GND NC 8T PC FAS PDT BUP TMP 8 R11 R10 R13 L5 R128 R129 1 2 C124 C125 L33 C136 C137 C138 C139 R30 R31 R32 C144 C147 R41 C158 C159 C171 C174 CN1 CN2 CN3 9V A10 TP102 TX CV 8CT TP101 RX CV 8CR LDR EPR DP CP FCT CP CP EPT LDT A2 TX VCO X58 481 A3 RX VCO X58 480 GND2 VO FIN 5C LDR EPR DP CP REF GND1 SRR 8CL CV 9CL NC GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO J72 0924 09 A 2 TX RX UNIT X57 6962 70 A 2 Component side view J72 0924 09 A 2 PC BOARD TKR 851 Component side
139. DE CP600 601 R90 0725 05 MULTI COMP 1K X2 CP603 R90 1019 05 MULTI COMP 100 X2 CP604 605 R90 0725 05 MULTI COMP 1K X2 CP606 R90 0719 05 MULTI COMP 4 7K X2 CP607 608 R90 0725 05 MULTI COMP K X2 CP609 R90 1019 05 MULTI COMP 100 X2 CP610 611 R90 0750 05 CHIP COM 10 J 1 16W CP612 614 R90 0725 05 MULTI COMP 1K X2 CP615 619 R90 0750 05 CHIP COM 10 J 1 16W CP620 R90 1019 05 MULTI COMP 100 X2 R2 RK73GB1J122J CHIP R 1 2K J 1 16W R3 RK73GB1J102J CHIP R 1 0K J 1 16W R5 RK73GB1J101J CHIP R 100 J 1 16W R8 RK73GB1J151J CHIP R 150 J 1 16W R9 RK73GB1J223J CHIP R 22K J 1 16W R10 RK73GB1J180J CHIP R 18 J 1 16W R11 RK73GB1J271J CHIP R 270 J 1 16W R13 RK73GB1J271J CHIP R 270 J 1 16W R14 RK73GB1J333J CHIP R 33K J 1 16W R17 RK73GB1J824J CHIP R 820K J 1 16W R18 RK73GB1J684J CHIP R 680K J 1 16W R19 RK73GB1J474J CHIP R 470K J 1 16W R20 RK73GB1J224J CHIP R 220K J 1 16W R30 RK73GB1J821J CHIP R 820 J 1 16W R31 RK73GB1J5R6J CHIP R 5 6 J 1 16W R32 RK73GB1J821J CHIP R 820 J 1 16W R33 RK73GB1J470J CHIP R 47 J 1 16W R34 RK73GB1J102J CHIP R 1 0K J 1 16W R35 RK73GB1J182J CHIP R 1 8K J 1 16W R36 RK73GB1J102J CHIP R 1 0K J 1 16W R37 RK73GB1J682J CHIP R 6 8K J 1 16W R38 R92 1252 05 CHIP R 0 OHM J 1 16W R39 RK73GB1J560J CHIP R 56 J 1 16W R40 RK73GB1J270J CHIP R 27 J 1 16W R41 RK73GB1J222J CHIP R 2 2K J 1 16W R
140. ELICAL BLOCK L3 L40 1875 34 SMALL FIXED INDUCTOR 18NH L4 5 L79 1849 05 HELICAL BLOCK L6 L40 1875 34 SMALL FIXED INDUCTOR 18NH L10 L40 1581 37 SMALL FIXED INDUCTOR 0 150UH L11 L40 1885 34 SMALL FIXED INDUCTOR 180NH L12 L40 3381 37 SMALL FIXED INDUCTOR 0 330UH L13 L40 1005 34 SMALL FIXED INDUCTOR 10UH L14 L34 4527 05 COIL L15 L34 4526 05 COIL L16 L34 4527 05 COIL L17 18 L34 4526 05 COIL L19 L34 4527 05 COIL L20 L40 1095 34 SMALL FIXED INDUCTOR 1UH L21 L40 1005 34 SMALL FIXED INDUCTOR 10UH L23 L40 1095 34 SMALL FIXED INDUCTOR 1UH L24 L34 4459 05 COIL L25 L40 2775 34 SMALL FIXED INDUCTOR 27NH L26 L40 1575 34 SMALL FIXED INDUCTOR 15NH L27 L40 2275 34 SMALL FIXED INDUCTOR 22NH L28 L40 1875 34 SMALL FIXED INDUCTOR 18NH L29 30 L40 1875 92 SMALL FIXED INDUCTOR 18NH L31 32 L40 1005 34 SMALL FIXED INDUCTOR 10UH L33 L40 1575 92 SMALL FIXED INDUCTOR 15NH L34 L40 1005 34 SMALL FIXED INDUCTOR 10UH L35 39 L92 0140 05 FERRITE CHIP L40 L92 0158 05 FERRITE CHIP L42 L40 6865 92 SMALL FIXED INDUCTOR 6 8NH L43 L92 0140 05 FERRITE CHIP L600 608 L92 0140 05 FERRITE CHIP L611 613 L92 0140 05 FERRITE CHIP X1 L77 1762 05 CRYSTAL RESONATOR 44 395MHZ X2 3 L77 1849 05 VCXO 16 8MHZ 1 5PP X600 L78 0431 05 RESONATOR 14 7456MHZ X601 L77 1799 05 CRYSTAL RESONATOR 16 515MHZ XF1 L71 0513 05 MCF 44 85MHZ NARR XF2 L71 0627 05 MCF 44 85MHZ WI
141. ENWOOD IBERICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia KENWOOD ELECTRONICS HONG KONG LTD Unit 3712 3724 Level 37 Tower one Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544
142. EP ROM D600 DA204U CN600 E40 6102 05 SB SB GND NC DAT PSW STB1 CLK SOE PTT TXD1 K1 HK RXD1 K2 K3 K4 K5 VLI 5C MIG MIC DISPLAY UNIT X54 3330 21 A 2 CN502 CN602 E40 6009 05 X57 6962 70 A 2 CN14 TX RX UNIT TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND QS Q S Q8 Q7 Q6 Q5 OE VDD SDA SCL WP VCC TXI DATA RXO MB TXO RXI MO GND MIC DEI 5C SFT 8C SB GND SDA SCL CNVSS RESET XOUT XIN 8C 8C NC SB SB SB SB NC QS GND GND MO MB GND SOE TMP PSW BUP LD2 FWD STB CK DT LDT LDR EPT EPR CP DP SC RSSI ASQ GND NC DET NC 2SK1824 Q602 DC SW Q601 DTC114EUA DC SW 5 02V 5 02V Note The components marked with a dot are parts of layer 1 SCHEMATIC DIAGRAM TKR 851 79 J I H G F X57 696 B 2 2 5 KEY1 TMP A11 R644 1k D6 R656 1k R638 1k HCS DL6 STB A3 HRW BUP TXD1 HCS CP612 1k 2 R648 1k HCSL L602 A14 DAT R659 47k D6 A7 D4 A4 R664 47k R630 47k RXD1 WR DL5 CP611 10 4 A3 D7 D0 D0 R646 47k R836 47k R642 1k D5 HCS 1 16 17 A3 A2 A1 A0 IO0 IO1 IO2 GND IO3 IO4 IO5
143. EUA C216 470p R165 470 C204 100p R182 0 D11 02DZ5 1 Y C72 10u10 SRR C66 330p R60 10k C190 1000p R72 330k CN16 E40 5632 05 1 GND 2 NC 3 8T 4 PC 5 FAS 6 FDT 7 BUP 8 TMP R47 15k C208 100p FCT C73 0 1u L43 L20 1u C163 0 01u R53 6 8k C213 0 01u R69 3 3k R65 4 7k C68 0 1u C57 0 01u C76 47u10 CN18 E04 0154 05 C218 0 01u R71 82k C55 0 01u C59 15p C185 1000p C60 0 01u R161 470 R160 470 R181 1 8k R164 270 R178 0 D7 1SS355 L36 L38 L40 L39 L37 L35 R169 3 9k IC9 TK14489V 1 OSC B 2 OSC E 3 NC 4 MIXO 5 VCC 6 IFIN 7 DEC 8 DEC 9 FHASE 10 QUAD 11 12 13 14 15 16 17 SCAN 18 19 20 DC SW NOISE DETECTION DC SW SURGE PROTECTOR SHIFT REGISTER RF AMP W4K SW Q4 DC SW 8C W N TX RX UNIT X57 6962 70 B 2 CN602 DC SW D A CONVERTER FM IF SYSTEM W N 8TC NOISE AMP 8T 5CR NOISE DETECTION MB DC SW MO WIDE NARROW SW WIDE NARROW SW WIDE NARROW SW CF1 L72 0366 05 CF2 L72 0376 05 WIDE NARROW AFO RSSI FLTI FLTO SQLI SCAN HyS GND RFI Q27 DTC144EUA WIDE5kHz WIDE4kHz SWITCH FINAL UNIT X45 3742 71 A 2 CN3 FINAL UNIT X45 3742 71 A 2 CN5 FINAL UNIT X45 37
144. GB1E103K CHIP C 0 010UF K C716 717 CK73GB1H471K CHIP C 470PF K C718 719 CK73GB1E103K CHIP C 0 010UF K C720 C92 0532 05 CHIP TAN 1 0UF 10WV C721 722 C92 0628 05 CHIP TAN 10UF 10WV C723 CK73FB1C105K CHIP C 1 0UF K C724 CK73GB1H182K CHIP C 1800PF K C725 CC73GCH1H470J CHIP C 47PF J C726 CC73GCH1H181J CHIP C 180PF J C727 728 CK73GB1E103K CHIP C 0 010UF K C729 C92 0628 05 CHIP TAN 10UF 10WV C730 731 CK73GB1E103K CHIP C 0 010UF K C732 CK73GB1H471K CHIP C 470PF K C733 C92 0628 05 CHIP TAN 10UF 10WV C734 CC73GCH1H270J CHIP C 27PF J C735 CC73GCH1H150J CHIP C 15PF J C736 CK73GB1H182K CHIP C 1800PF K C737 CC73GCH1H270J CHIP C 27PF J C738 CK73GB1E103K CHIP C 0 010UF K C739 CC73GCH1H181J CHIP C 180PF J C740 CC73GCH1H101J CHIP C 100PF J C741 CK73GB1E103K CHIP C 0 010UF K C742 CK73GB1H471K CHIP C 470PF K C743 CK73GB1E103K CHIP C 0 010UF K C744 746 C92 0628 05 CHIP TAN 10UF 10WV C747 748 CK73GB1E103K CHIP C 0 010UF K C749 CK73GB1H471K CHIP C 470PF K C750 751 CK73GB1E103K CHIP C 0 010UF K C752 CK73GB1H471K CHIP C 470PF K C753 754 C92 0628 05 CHIP TAN 10UF 10WV C755 CK73GB1H471K CHIP C 470PF K C756 757 C92 0628 05 CHIP TAN 10UF 10WV C758 CK73FB1C105K CHIP C 1 0UF K C759 CK73GB1H471K CHIP C 470PF K C760 CK73GB1H102K CHIP C 1000PF K C761 CK73GB1C104K CHIP C 0 10UF K C762 763 CK73GB1H102K CHIP C 1000PF K
145. GB1J101J CHIP R 100 J 1 16W R731 RK73GB1J472J CHIP R 4 7K J 1 16W R732 RK73GB1J473J CHIP R 47K J 1 16W R733 R92 1252 05 CHIP R 0 OHM J 1 16W R734 RK73GB1J473J CHIP R 47K J 1 16W R735 RK73GB1J333J CHIP R 33K J 1 16W R736 737 RK73GB1J473J CHIP R 47K J 1 16W R738 RK73GB1J274J CHIP R 270K J 1 16W R739 RK73GB1J103J CHIP R 10K J 1 16W R740 RK73GB1J104J CHIP R 100K J 1 16W R741 RK73GB1J154J CHIP R 150K J 1 16W R742 R92 0670 05 CHIP R 0 OHM R743 RK73GB1J473J CHIP R 47K J 1 16W R744 RK73GB1J393J CHIP R 39K J 1 16W R745 RK73GB1J473J CHIP R 47K J 1 16W R747 RK73GB1J103J CHIP R 10K J 1 16W R749 752 R92 1252 05 CHIP R 0 OHM J 1 16W R753 754 RK73GB1J473J CHIP R 47K J 1 16W R758 RK73GB1J103J CHIP R 10K J 1 16W R760 RK73GB1J122J CHIP R 1 2K J 1 16W R762 RK73GB1J472J CHIP R 4 7K J 1 16W R763 RK73GB1J103J CHIP R 10K J 1 16W R764 765 RK73GB1J102J CHIP R 1 0K J 1 16W R766 RK73GB1J122J CHIP R 1 2K J 1 16W R767 RK73GB1J473J CHIP R 47K J 1 16W R768 RK73GB1J122J CHIP R 1 2K J 1 16W R771 RK73GB1J122J CHIP R 1 2K J 1 16W R772 RK73GB1J473J CHIP R 47K J 1 16W R773 RK73GB1J102J CHIP R 1 0K J 1 16W R774 RK73GB1J105J CHIP R 1 0M J 1 16W R775 RK73GB1J473J CHIP R 47K J 1 16W R776 RK73GB1J102J CHIP R 1 0K J 1 16W R777 RK73GB1J473J CHIP R 47K J 1 16W R778 RK73GB1J102J CHIP R 1 0K J 1 16W R779 RK73GB1J4
146. GB1J824J CHIP R 820K J 1 16W R827 RK73GB1J822J CHIP R 8 2K J 1 16W R828 RK73GB1J273J CHIP R 27K J 1 16W R829 RK73GB1J224J CHIP R 220K J 1 16W R830 RK73GB1J563J CHIP R 56K J 1 16W R831 RK73GB1J154J CHIP R 150K J 1 16W R832 RK73GB1J822J CHIP R 8 2K J 1 16W R833 RK73GB1J223J CHIP R 22K J 1 16W R834 RK73GB1J332J CHIP R 3 3K J 1 16W R836 RK73GB1J473J CHIP R 47K J 1 16W R837 RK73GB1J332J CHIP R 3 3K J 1 16W R839 840 RK73GB1J561J CHIP R 560 J 1 16W R841 842 R92 0670 05 CHIP R 0 OHM R843 RK73GB1J274J CHIP R 270K J 1 16W R844 RK73GB1J334J CHIP R 330K J 1 16W K1 S76 0401 05 RELAY D1 4 DAN235K DIODE D5 MA742 DIODE D7 1SS355 DIODE D8 DAN235K DIODE D11 02DZ5 1 Y ZENER DIODE D12 02DZ18 X Y ZENER DIODE D13 MA742 DIODE D600 DA204U DIODE D606 612 DA204U DIODE D614 616 DA204U DIODE TX RX UNIT X57 6962 70 TKR 851 31 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts D618 623 DA204U DIODE D626 MINISMDE190 VARISTOR D627 628 1SS355 DIODE D629 DA204U DIODE IC1 2 NJM4558E MOS IC IC3 NJM78L05UA BI POLAR IC IC4 NJM7808FA BI POLAR IC IC5 AN8009M MOS IC IC6 M62354GP MOS IC IC7 BU4094BCF MOS IC IC9 TK14489V BI POLAR IC IC10 TA7808F ANALOG IC IC11 NJM78L05UA BI POLAR IC IC600 AT24C08A10SI18 ROM IC IC601 RH5VL4
147. H471K CHIP C 470PF K C171 CK73GB1H471K CHIP C 470PF K C172 CK73GB1H102K CHIP C 1000PF K C173 CK73GB1H103K CHIP C 0 010UF K C174 C92 0008 05 CHIP TAN 3 3UF 16WV C175 CK73GB1H102K CHIP C 1000PF K C176 CK73GB1H103K CHIP C 0 010UF K C177 CK73GB1H471K CHIP C 470PF K C178 C92 0606 05 CHIP TAN 4 7UF 10WV C179 CK73GB1H103K CHIP C 0 010UF K C184 185 CK73GB1H102K CHIP C 1000PF K C189 190 CK73GB1H102K CHIP C 1000PF K C191 195 CK73GB1H103K CHIP C 0 010UF K C197 CK73FB1H333K CHIP C 0 033UF K C198 CK73GB1C104K CHIP C 0 10UF K C199 CK73GB1H103K CHIP C 0 010UF K C204 208 CC73GCH1H101J CHIP C 100PF J C210 CC73GCH1H080D CHIP C 8 0PF D C211 CC73GCH1H120J CHIP C 12PF J C212 214 CK73GB1H103K CHIP C 0 010UF K C216 CK73GB1H471K CHIP C 470PF K C217 CK73GB1H102K CHIP C 1000PF K C218 CK73GB1E103K CHIP C 0 010UF K C223 CC73GCH1H101J CHIP C 100PF J C231 C92 0633 05 CHIP TAN 22UF 10WV C232 234 CK73GB1H103J CHIP C 0 010UF J TX RX UNIT X57 6962 70 TKR 851 27 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts C600 CK73GB1C104K CHIP C 0 10UF K C602 CK73GB1C104K CHIP C 0 10UF K C605 CK73GB1C104K CHIP C 0 10UF K C613 614 CK73GB1E103K CHIP C 0 010UF K C616 CK73GB1E103K CHIP C 0 010UF K C623 CK73GB1C104K CHIP C 0 10UF K C629
148. IC HOOK J601 1 NC 5 HOOK 2 MIC 6 MIG 3 PTT 7 GND 4 SB 8 NC CN604 15 NC NC NC NC NC RXD2 EMON TXD2 EPTT AI1 SC AI2 NC AI3 TXG DG AIO1 TD AIO2 TA AIO3 RD AIO4 RA AIO5 RXG AIO6 SPM NC NC TX RX UNIT B 2 X57 696 INT SP TX RX UNIT A 2 X57 696 FINAL UNIT A 2 X45 374 FINAL UNIT B 2 X45 374 DISPLAY UNIT A 2 X54 333 TXO TXI RXO AC BC3 BC1 BC4 BC2 RXI GND PTI NC PTO CLRC 14 1 8T PDT PC TMP NC FAS GND BUP B E B RX ANT TX ANT GND B2 B1 BACKUP BATTERY RXD2 DG AI3 TD RD NC AI2 SPM AI1 RXG RA TXD2 TA AIO2 NC EMON TXG AIO1 AIO4 NC SC AIO6 AIO5 EPTT AIO3 SPG GND SB RD GND RSI SB AO1 SPO AO5 SPI AO3 AO2 AO4 GND B1 B2 GND DISPLAY UNIT B 2 X54 333 1 FAB MIC FAN SPG SPO CN5 CN4 CN3 CN1 1 8 CN6 CN8 CN7 CN15 1 3 CN16 CN18 CN19 CONTROL I O E B B 3 1 NC BUP 8T TMP PC GND PDT FAS CN606 CN603 1 4 CN601 LDT RSSI EPR PSW GND MO SC LD2 TMP CK GND FWD DET SOE SB CP BUP NC SB EPT ASQ 8C DT NC LDR STB DP MB GND NC GND QS NC SB SB 8C NC NC NC MO SOE LDT DP SB GND SC GND
149. J CHIP C 470PF J C165 166 CK73FB1H471K CHIP C 470PF K CN1 E04 0154 05 PIN SOCKET CN3 E40 5632 05 PIN ASSY CN4 E40 3246 05 PIN ASSY CN5 E40 5703 05 PIN ASSY CN6 8 E23 0462 05 TERMINAL F1 F53 0190 05 FUSE CN51 52 J13 0071 05 FUSE HOLDER L1 L40 1075 92 SMALL FIXED INDUCTOR 10NH L2 L40 1075 34 SMALL FIXED INDUCTOR 10NH L3 L40 1875 92 SMALL FIXED INDUCTOR 18NH L5 L41 6865 20 SMALL FIXED INDUCTOR L6 7 L34 4517 05 AIR CORE COIL L9 L34 4517 05 AIR CORE COIL L11 L34 4517 05 AIR CORE COIL L12 L34 4523 05 AIR CORE COIL L14 L40 1575 34 SMALL FIXED INDUCTOR 15NH L15 L40 1075 34 SMALL FIXED INDUCTOR 10NH L16 L40 1075 92 SMALL FIXED INDUCTOR 10NH L17 L40 1875 92 SMALL FIXED INDUCTOR 18NH R1 RK73GB1J103J CHIP R 10K J 1 16W R2 RK73GB1J222J CHIP R 2 2K J 1 16W R3 RK73GB1J470J CHIP R 47 J 1 16W R4 RK73GB1J220J CHIP R 22 J 1 16W R6 RK73GB1J470J CHIP R 47 J 1 16W R7 RK73GB1J682J CHIP R 6 8K J 1 16W R8 RK73FB2A100J CHIP R 10 J 1 10W R9 RK73FB2A220J CHIP R 22 J 1 10W R11 RK73GB1J104J CHIP R 100K J 1 16W R12 RK73GB1J183J CHIP R 18K J 1 16W R13 RK73FB2A470J CHIP R 47 J 1 10W R14 R92 2571 05 CHIP R 270 J 1 2W R15 R92 1259 05 CHIP R 18 J 1 2W R16 R92 2571 05 CHIP R 270 J 1 2W R17 RK73FB2A124J CHIP R 120K J 1 10W R18 RK73EB2B101J CHIP R 100 J 1 8W R19 RK73FB2A104J CHIP R 100K J 1 10W R20 21 R92 1252 05
150. K73GB1J104J CHIP R 100K J 1 16W R687 RK73GB1J223J CHIP R 22K J 1 16W R688 690 RK73GB1J473J CHIP R 47K J 1 16W R691 693 R92 1252 05 CHIP R 0 OHM J 1 16W TX RX UNIT X57 6962 70 TKR 851 30 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts R694 695 RK73GB1J101J CHIP R 100 J 1 16W R696 RK73GB1J103J CHIP R 10K J 1 16W R697 RK73GB1J101J CHIP R 100 J 1 16W R698 RK73GB1J103J CHIP R 10K J 1 16W R699 R92 1252 05 CHIP R 0 OHM J 1 16W R700 RK73GB1J101J CHIP R 100 J 1 16W R701 R92 1252 05 CHIP R 0 OHM J 1 16W R702 RK73GB1J473J CHIP R 47K J 1 16W R703 R92 1252 05 CHIP R 0 OHM J 1 16W R704 705 RK73GB1J473J CHIP R 47K J 1 16W R707 709 RK73GB1J223J CHIP R 22K J 1 16W R710 RK73GB1J473J CHIP R 47K J 1 16W R712 RK73GB1J473J CHIP R 47K J 1 16W R713 RK73GB1J273J CHIP R 27K J 1 16W R714 RK73GB1J223J CHIP R 22K J 1 16W R715 RK73GB1J103J CHIP R 10K J 1 16W R717 718 RK73GB1J473J CHIP R 47K J 1 16W R719 RK73GB1J154J CHIP R 150K J 1 16W R720 RK73GB1J473J CHIP R 47K J 1 16W R721 RK73GB1J223J CHIP R 22K J 1 16W R722 RK73GB1J334J CHIP R 330K J 1 16W R723 724 R92 1252 05 CHIP R 0 OHM J 1 16W R726 RK73GB1J473J CHIP R 47K J 1 16W R727 R92 1252 05 CHIP R 0 OHM J 1 16W R728 729 RK73GB1J223J CHIP R 22K J 1 16W R730 RK73
151. L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C13 C101 C24 C25 C30 C31 C32 C33 C34 C36 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C49 C50 C204 C54 C205 C55 C206 C56 C207 C57 C208 C212 C61 C62 C63 Q11 C65 Q12 Q13 C218 Q14 C68 C231 Q15 C69 Q18 B C E Q10 B C E Q19 C70 C71 C72 C73 C75 Q23 C77 C78 Q24 C79 Q25 C80 C81 C82 C83 C84 C86 C87 C88 C89 C90 C91 C92 C93 C95 C96 C97 C98 R171 C99 C4 C3 R3 D3 D4 D5 D7 D8 TH1 R100 R106 D11 R109 R174 D12 D13 R120 R121 L1 R122 R123 R124 R125 R126 R127 L6 L3 R130 R131 L10 L11 L12 L13 C100 C114 R175 C115 C116 C117 C106 R105 R107 R113 R114 L30 L29 C104 C105 R103 R102 C102 C107 R143 R144 C109 R148 L21 L28 L23 IC1 C111 L25 IC2 1 4 8 5 L26 L27 L31 IC3 O G I L32 R150 A11 R151 IC6 1 1 8 8 16 16 9 9 R152 IC7 R153 R154 R155 R156 R157 R158 R168 R179 C234 L34 L35 R9 C120 C223
152. LKR1 43 BFSR0 44 BFSR1 45 BDR0 46 HCNTL1 47 BDR1 48 BCLKX0 49 BCLKX1 50 VSS7 51 HINT TOUT1 52 CVDD3 53 BFSX0 54 BFSX1 55 HRDY 56 DVDD3 57 VSS8 58 HD0 59 BDX0 60 BDX1 61 IACK 62 HBIL 63 NMI 64 INT0 65 INT1 66 INT2 67 INT3 68 CVDD4 69 HD1 70 VSS9 71 NC9 72 NC10 73 NC11 74 NC12 75 DVDD4 76 VSS12 77 CLKMD1 78 CLKMD2 79 CLKMD3 80 NC13 81 HD2 82 TOUT0 83 EMU0 84 EMU1 OFF 85 TDO 86 TDI 87 TRST 88 TCK 89 TMS 90 NC14 91 CVDD5 92 HPIENA 93 VSS13 94 CLKOUT 95 HD3 96 X1 97 X2 CLKIN 98 RS 99 D0 100 D1 101 D2 102 D3 103 D4 104 D5 105 A16 106 VSS14 107 A17 108 A18 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 C778 1u25 R842 0 A12 R785 1k LRCK IO3 R771 1 2k DAT C727 0 01u A1 R708 22k C731 0 01u R738 270k 1 INB 2 INA 3 GND 4 5 R737 47k C643 10u10 D2 R811 47k IC606 TC74LVX4245FS 1 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND1 12 GND2 13 24 C641 0 1u C763 1000p R665 47k C783 470p C787 1u R689 47k R766 1 2k C759 470p TXD0 A10 R751 0 1 8 9 16 KEY5 R645 47k
153. MO GND STT 8CL CV 9CL MO 2SK508NV K52 Q350 VO GND 2SC4226 R24 Q355 CLOCK DATA STROBE VSS RFIN RFIN VCCP REFIN RA AUXIN FIN 5C LDT EPT DP CP REF B IN B IN BOUT V 2SC4116 GR Q300 L356 L34 4645 05 6 0dBm Note The components marked with a dot are parts of layer 1 SCHEMATIC DIAGRAM TKR 851 75 J I H G F X57 696 A 2 2 4 L362 22n C369 7p C312 7p C315 0 047u L352 1u C383 470p R321 27k 5CR R353 0 TC350 8p C304 1000p L360 1 5u C318 2 2u10 D352 1SV282 D350 1SV282 C364 470p R319 33 R354 33 C88 1000p R157 1k R309 330 R158 1k R368 33 R316 1 5k R317 0 L300 L302 18n C81 10u10 C360 0 1u C323 0 22u 1 2 3 4 5 6 C309 0 1u FCR D351 1SV282 R315 150 DP C319 470p CN300 1 2 3 4 5 6 7 R91 4 7k CN351 1 2 8CLR LDR R310 3 3k R320 2 2k 8CR C356 6p C355 5p C370 10p SRR R364 10k R313 2 2k C378 470p R351 0 CN350 1 2 3 4 5 6 R304 100 C325 4p C373 470p C361 0 1u L301 18n R77 47k R92 1 8k R366 10k R350 0 9CLR R156 1k L358 1 5u R361 4 7k R312 330 C362 22p C368 7p R363
154. N14 1 NC No connection 2 DET O Detection signal output To X57 3 NC No connection B 2 4 GND Ground control 5 ASQ O Squelch signal output section 6 RSSI O RSSI signal output of TX RX 7 SC O squelch control signal output unit 8 DP I Data input for PLL 9 CP I Clock input for PLL TERMINAL FUNCTION TKR 851 47 Connector Terminal Terminal I O Terminal function No No Name 10 EPR I Enable input for RX PLL 11 EPT I Enable input for TX PLL 12 LDR O Lock detector for RX PLL 13 LDT O Lock detector for TX PLL 14 DT I Data input 15 CK I Clock input 16 STB I Strobe input for shift register 17 FWD O RF power down signal output 18 LD2 I Latch data input for DA converter 19 BUP O Backup signal output 20 PSW I Power switch input 21 TMP O High temperature detector signal output for fan action 22 SOE I Output enable for shift register 23 GND Ground 24 MB I Modulation signal input for VCXO 25 MO I Modulation signal input for VCO 26 GND Ground 27 GND Ground 28 QS I Data 29 NC No connection 30 SB O Power supply output after power switch 31 SB O Power supply output after power switch 32 SB O Power supply output after power switch 33 SB O Power supply output after power switch 34 NC No connection 35 8C O Common 8V output 36 8C O C
155. ND 58 HD1 I O HPI data bus 59 BDX0 O Serial data transmit output 60 BDX1 Not used No connection 61 IACK Not used No connection 62 HBIL I Byte identification HPI 63 NMI I Not used Pull up 64 INT0 I Command interrupt from host CPU 65 INT1 I Not used Pull up 66 INT2 I Boot mode select Pull up 67 INT3 I Not used Pull up 68 CVDD VDD for core CPU 1 8V 69 HD2 I O HPI data bus 70 Vss GND 71 74 NC9 NC12 Not used No connection 75 DVDD VDD for I O pins 3 3V 76 Vss GND 77 CLKMD1 I Clock mode select Pull down 78 CLKMD2 I Clock mode select Pull up 79 CLKMD3 I Clock mode select Pull down 80 NC13 Not used No connection 81 HD3 I O HPI data bus 82 TOUT0 Not used No connection 83 EMU0 I O Emulator 0 to JTAG connector SEMICONDUCTOR DATA TKR 851 20 Pin No Name I O Function 84 EMU1 OFF I O Emulator 1 to JTAG connector 85 TDO O Test data output to JTAG connector 86 TDI I Test data input to JTAG connector 87 TRST I Test reset to JTAG connector 88 TCK I Test clock to JTAG connector 89 TMS I Test mode select to JTAG connector 90 NC14 Not used No connection 91 CVDD VDD for core CPU 1 8V 92 HPIENA I Not used Pull up 93 Vss GND 94 CLKOUT O Not used No connection 95 HD4 I O HPI data
156. NT Final VR1 Adjust the RF power 0 5W power TX ANT to 26 5W limitting High CH 11 TX RF 1 Measure the RF power at PC adj 0 5W high power TX ANT 25W Low CH Factory default 2 Center CH 3 High CH 12 TX RF 1 Measure the power level at PC adj 0 05W low power TX ANT 1W Low CH Factory default 2 Center CH 3 High CH 13 BPF 1 Connect the TG to RX ANT Tracking Rear RX ANT TX RX L2 Center the frequency then connect CN1 to the generator A 2 L4 you are using then spectrum analyzer input L5 adjust it to look like Spectrum analyzer setting Spectrum TX RX CN1 the wave Fig 1 Span 50MHz analyzer A 2 Page 38 Scale 10dB to 5dB div Tracking generator setting Output 30dBm 14 MCF 1 Connect the TG to CN2 then CN2 L14 Adjust it to look like Wide connect CN4 to the spectrum CN4 L17 the wave Fig 2 analyzer input L18 Page 38 CH 2 Wide Spectrum analyzer setting Span 50kHz to 25kHz Scale 10dB to 2dB div Center freq 44 850MHz Tracking generator setting Output 30dBm Narrow 2 CH 2 Narrow L15 Adjust it to look like L16 the wave Fig 3 L19 Page 38 15 Discrimi 1 Connect the SSG to RX ANT SSG Rear RX ANT L24 Adjust the distortion nator CH 2 Wide to minimum SSG output 53dBm 501 V AF VM TEST SPKR SSG MOD 1kHz Distortion jack SPO SSG DEV 3kHz meter pin 12 AF 2V 4 16 Threshold 1 Connect SSG t
157. Q2 7J Q3 7O Q5 9N Q6 9M Q7 10O Ref No Address Q8 8C Q9 8D Q10 7E Q11 3B Q12 9G Q13 4G Ref No Address Q14 10G Q15 5G Q18 5E Q19 5E Q23 3D Q24 9R Ref No Address Q25 9R D3 7Q D4 8Q D5 11O D7 9S D8 3D Ref No Address D11 10N D12 9Q D13 11N 63 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C31 C32 C33 C34 C36 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C49 C50 C54 C55 C56 C57 C61 C62 C63 C65 C218 C68 C69 C70 C71 C72 C73 C75 C77 C78 Q24 C79 Q25 R171 C4 C3 R3 D3 D4 D5 D7 TH1 D11 D12 D13 L1 L6 L3 L12 L13 L21 L23 R150 IC6 1 1 8 8 16 16 9 9 IC7 L34 C5 C7 R160 R161 R163 R178 R164 R165 R166 L43 Q1 E C B Q2 B C E Q3 Q5 R176 Q6 Q7 R34 R2 R35 R36 R37 R38 R5 R39 C8 R14 R40 C151 R42 R43 C153 C154 C155 C156 R47 C157 R48 C52 R49 R51 R52 C162 R53 C163 R55 R56 R58 R66 R67 R68 R71 R72 C184 C185 C189 C190 R83 C197 C198 C199 C210 TX RX UNIT X57 6962 70 A 2 Foil side view J72 0924 09 A 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 J K
158. Q612 5B Q613 8M Q614 9M Ref No Address D600 4B D614 6M D618 6M D621 7M D626 4M D629 6N 65 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R601 R607 R609 R611 R612 R613 CN601 R812 CN603 CN604 CN605 CN606 CN607 RSSI CN608 RSSI CN609 8C CN610 SB R839 C800 C801 C802 C803 R840 C804 R841 C805 C807 C808 C809 R653 R654 R655 R657 R658 C810 C811 C812 C813 C814 C816 C817 SB IC629 C818 C819 C820 R669 C823 C827 C828 R671 R672 R674 R675 R676 C642 C649 C652 C657 C663 D614 1 SB SB GND GND AO5 AO4 AO3 SPO SPO AO2 AO1 SPI RSI RD SPG SPG 4 D618 C681 D621 IC602 IC605 D626 IC607 1 4 5 8 30 NC NC NC EMON EPTT 5C NC TXG IO1 IO2 IO3 IO4 IO5 IO6 NC 29 NC NC RXD2 TXD2 AI1 AI2 AI3 DG TD TA RD RA RXG SPM NC 2 1 D629 CP600 CP601 IC623 1 1 1 8 8 8 9 9 9 16 16 16 IC625 O I G IC630 G O I R742 R749 R750 R751 R752 R760 R764 R765 R766 R768 R771 R781 R785 R789 R793 1 1 SPO SPG 2 12 Q607 TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND Q608 C760 C
159. R 851 FINAL UNIT X45 3742 71 Component side view J72 0911 09 Ref No Address IC3 8J Q1 9H Q2 9G Q3 8F Ref No Address Q4 6I Q5 5L Q8 8K D2 8I Ref No Address D4 7P D5 9Q D7 3J D8 6E Ref No Address D9 6E D51 7B D52 8B Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 54 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C49 C50 C52 C53 C91 C92 C93 C94 C95 C96 C97 C106 C107 C108 C109 IC1 R51 R52 R53 J72 0911 09 A 2 1 3 4 6 TKR 851 PC BOARD FINAL UNIT X45 3742 71 Foil side view J72 0911 09 Ref No Address IC1 7J IC2 9O Q9 8O D10 8O 55 J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C49 C50 C77 C78 C79 C98 C99 D10 C100 C101 C102 C103 C104 C105 C106 C107 C1 IC2 C112 C113 C114 C115 C116 C117 Q9 R6 R7 R50 R51 R52 R54 C10 C15 C18 C19 J72 0911 09 B 2 B1 GND B2 GND B2 GND B1 Main DC Back up battery 1 3 I G O PC BOARD TKR 851 FINAL UNIT X45 3742 71 Foil side view J72 0911 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 J K L M N O P Q R S I H G F E D C B A 1 2 3 4 5 6 7 8 9 10
160. REVERSE CONNECTION D51 52 FINAL AMP SURGE PROTECTOR FAB RF AMP FINAL UNIT X45 3742 71 A 2 FAG Q1 3 D10 W3 CURRENT PROTECTOR RF DETECTOR REVERSE CURRENT PROTECTION D4 5 SURGE PROTECTOR CHARGE GND TX DRIVE AMP D7 BUP VOLTAGE REGULATOR PDT DC SWITCH C166 470P L17 10n L16 R42 0 C39 12p TX RX UNIT X57 6270 XX A 2 CN19 TX RX UNIT X57 6270 XX A 2 CN16 Comp in Vref Comp out Vcc GND Vcont OUT1 IN1 IN1 VEE TX RX UNIT X57 6270 XX A 2 CN15 C10 R7 C18 C32 R14 R16 C92 C97 C91 C95 C96 C93 C94 C100 C3 D10 C101 C99 120k 470p 100k 0 1u R17 C35 R19 C36 C13 C20 L15 L3 F1 2 5A C49 C51 C50 100p 47u25 0 1u L6 15n C41 470p C124 C59 C123 C118 C46 470p R24 100k R23 120k C79 C77 C80 C105 C78 D7 0 1u 100p 1000u25 470p 470p ZSA5A27 IC3 TA75W01FU R57 470 C30 0 22u C29 470p R58 470k R60 10k C15 470p 18k 100k 470p 22 470p R12 R11 C19 R9 C14 T 7 57V R 0V T 7 91V R 0V T 0 70V R 0V T 0 69V R 0V T 13 03V R 13 54V T 4 26V R 0V T 7 61V R 0V T 13 05V R 13 56V TKR 851 SCHEMATIC DIAGRAM 72 7 6 5 4 3 2 1 A B C D E X54 333 1 2 A A A A S501 S50
161. ROL AG freq 100Hz Sine wave AF VTVM I O jack AG level 0 5Vp p 177mVrms TD pin 8 Transmission Wide 4kHz 2 CH 2 PC adj 0 05kHz Transmission 0 60kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 0 35kHz TKR 851 44 Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT 28 DTMF 1 CH 2 MOD ANA Rear TX ANT PC adj 0 1kHz deviation Deviation meter filter or 3 0kHz Wide HPF OFF Deviation LPF 15kHz meter De emphasis OFF Oscilloscope Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 1 5kHz 29 Courtesy 1 CH 2 PC adj 0 05kHz tone Deviation meter filter 1 0kHz deviation HPF OFF Wide LPF 15kHz De emphasis OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 05kHz Transmission 0 8kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 0 5kHz 30 Battery 1 CH 2 PC adj 0 1kHz warning tone Deviation meter filter 3 0kHz deviation HPF OFF Wide LPF 15kHz De emphasis OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 1 5kHz 31 Battery 1 CH 2 PC adj 0 05kHz operation Deviation meter filter 1 0kHz tone HPF OFF deviation LPF 15kHz Wide De emphasis OFF Transmission
162. TA TAI GND AUDIO AMP CN606 2SJ506 S Q610 IC623 BU4094BCFV SHIFT REGISTER STRB DATA CLK Q1 Q2 Q3 Q4 VSS D619 DA204U D622 DA204U D615 DA204U D611 DA204U D609 DA204U D607 DA204U D623 DA204U SURGE PROTECTOR D606 612 615 616 619 620 622 623 D614 618 621 629 SURGE PROTECTOR DC SW DC SW Q611 DTC114EUA 13 07V 13 07V 1 21V TX RX UNIT X57 6962 70 B 2 t t R773 1k SOE KEY1 IC610 TA75S01F 1 2 3 4 OUT 5 VCC R695 100 R671 22k LDT TMP R681 18k R687 22k A11 RXD1 R644 1k D6 Q615 DTC144EUA R762 4 7k R750 0 R701 0 C768 100p R777 47k SCLK C780 1u R656 1k 1 8 9 QS Q S Q8 Q7 Q6 Q5 OE 16 VDD R638 1k KEY2 C793 1000p IO4 HCS R736 47k DL6 STB A3 HRW D621 DA204U AMPSW BUP L605 LRCK C752 470p TXD1 BUP C831 1000p D628 1SS355 R718 47k HCS 1 36 CLK PSW C747 0 01u CP612 1k 2 R606 47k C818 1000p R648 1k R808 1k PSW R722 330k R764 1k HCSL C700 10u10 C814 1000u25 TXD1 C786 0 1u L602 C799 1000p C792 1000p A14 DAT R668 18k SPM R659 47k C773 2 2u10 D6 VLI AMPSW A7 D4 C769 10u6 3 C770 10u6 3 R733 0 C815 0 1u A4 R664 47k R710 47k C690
163. TH700 R740 C704 TH701 R741 C705 C706 R743 C707 R744 C708 R745 C709 R747 C710 C711 C712 C715 R753 R754 R758 C720 C721 C722 C723 C724 C725 R762 C726 R763 C728 C729 R767 C730 R772 C736 R773 R774 R775 C739 R776 R777 R778 R779 C740 C743 R780 C744 R782 C746 R783 R786 R787 R790 R791 R794 C758 R795 Q6 R798 R799 Q605 Q606 C761 Q609 C763 C764 C768 Q610 1 8C NC SB SB QS GND MB SOE PSW LD2 STB DT LDR EPR DP RSSI GND DET 8C SB SB NC GND MO GND TMP BUP FWD CK LDT EPT CP SC ASQ NC NC 35 36 2 G S D Q611 Q615 C771 L605 C775 C776 C777 C778 C779 C782 C783 C784 C787 C791 C793 C797 D 1 3 4 5 T EMU0 G EMU1 TKR 851 PC BOARD TX RX UNIT X57 6962 70 B 2 Foil side view J72 0924 09 B 2 Ref No Address IC600 4O IC603 9N IC604 6Q IC606 4M IC608 6G IC609 9Q IC610 6H IC611 9F Ref No Address IC612 8J IC613 8J IC614 8H IC615 8F IC616 9H IC617 8D IC618 7L IC619 6F Ref No Address IC620 8B IC621 5C IC622 5C IC626 7H IC631 3N IC632 3M Q600 4Q Q601 3K Ref No Address Q602 3J Q603 4K Q604 8L Q605
164. Terminal function No No Name 13 STB1 I Strobe data for shift register 14 CLK I Clock data input 15 DAT I Serial data input 16 PSW O Power switch output 17 GND Ground 18 NC No connection 19 SB I Power supply input after power switch 20 SB I Power supply input after power switch Display Unit X54 3330 21 B 2 Connector Terminal Terminal I O Terminal function No No Name CN601 1 VLI O Volume control output for AF signal 2 5M I Common 5V input To X54 3 GND Ground A 2 4 NC No connection display 5 SB I Power supply input after power switch unit 6 NC No connection 7 GND Ground 8 PTT I O PTT output TXD input 9 MIG MIC ground 10 MIC O MIC signal output 11 HK O Hook detection output RXD output J601 1 NC No connection Mic jack 2 SB O Power supply output after power switch 3 GND Ground 4 PTT TXD I O PTT input TXD output 5 MIG MIC ground 6 MIC I MIC signal input 7 HK RXD I Hook detection input RXD input 8 NC No connection TX RX Unit X57 6962 70 A 2 TX RX Section Connector Terminal Terminal I O Terminal function No No Name CN1 O Use for RX helical BPF tuning Coaxial CN2 I Use for RX MCF tuning CN3 O Use for RX frequency adjustment Coaxial CN4 O Use for RX MCF tuning C
165. UD SW W N Q4 DTC144EUA FM IC IC9 TK14489V DET AMP W N D5 MA742 Q7 2SC4617 S SW SW D4 DAN235K D3 DAN235K CF1 Wide CF2 Narrow 455kHz DAC IC6 M62354GP SOE STB4 CK DT LD2 CK DT SRR STT 8RC 8TC FAS FCT FCR PC IC7 BU4094 BCFV SW SW Q5 DTA144EUA Q6 DTC144EUA W N 8CT 8CLT LIPPLE Q13 2SC4116 GR EPR EPT CP DP PSW BUP TEMP LDR LDT FWD 5V AVR IC3 NJM78L05UA 8CR LIPPLE Q12 2SC4116 GR 5CR 8CLR PC 8T FAS TMP BUP PDT 9V AVR IC5 AN8009M LIPPLE 9CLR 9CLT LIPPLE Q15 2SC4116 GR Q14 2SC4116 GR SW 8R 8V AVR IC10 TA7808F Q16 2SB1132 Q R 8RC INV Q17 DTC114EUA SW PSW 8V AVR K1 IC4 NJM7808FA SW 5V AVR 8T 5CT INV 8TC Q18 2SB1386 R IC11 NJM78L05UA Q19 DTC114EUA DC AMP TCXO X3 16 8M FCT MB IC1 NJM4558E EPT CP DP A2 TX VCO IC300 SA7025DK Q350 2SK508NV K52 D350 351 1SV282 X1 44 395MHz Buff Q11 2SC3356 R24 TCXO FCR X2 16 8M DC AMP IC2 NJM4558E Q350 351 2SK508NV K52 D350 353 1SV282 Fin EPR CP DP IC300 SA7025DK A3 RX VCO SW W N A1 XF1 MCF N D1 DAN235K D2 DAN235K IF AMP Q3 2SC3356 R24 W N 44 850MHz XF2 MCF W IF AMP Q2 2SC3357 RF AMP Q1 2SC357 Final unit X45 374 A 2 Drive AMP Q1 2SC5110 Drive AMP Q2 2SC3356 R24 Drive AMP Q4 PD55
166. ULATOR VOLTAGE REGULATOR MO MB WIDE NARROW SW DC SW CURRENT CONTROLL WIDE NARROW SW 2SC3356 R24 Q11 RIPPLE FILTER Q14 IC3 NJM78L05UA 2SC4116 GR Q15 RIPPLE FILTER 2SC4116 GR Q13 RIPPLE FILTER RIPPLE FILTER Q12 L18 L34 4526 05 L17 L34 4526 05 L14 L34 4527 05 L4 L79 1849 05 L5 L79 1849 05 NARROW Q19 DTC114EUA DC SW Q23 DTC114EUA DC SW 7 84V T 8 05V R 0V B 7 72V E 7 04V C 7 82V T 8 05V R 0V T 0V R 2 02V 1 26V 5 02V B 9 02V E 8 36V C 9 04V 5 09V 8 04V 4 1dBm B 1 46V E 0 74V C 6 56V B 1 73V E 0 98V C 6 70V W5 1 08V W4 1 08V N 0V 13 12V W5 0V W4 0V N 1 06V 8 06V B 1 31V E 0 54V C 6 66V 13 11V T 2 02V R 0V 9 07V 7 90V 91 0dBm 7 91V 13 11V 92 5dBm B 9 03V E 8 38V C 9 05V B 7 85V E 7 16V C 7 92V B 1 50V E 1 13V C 7 06V W5 0V W4 0V N 1 05V B 3 40V E 2 62V C 7 71V B 1 56V E 0 79V C 6 25V W5 1 09V W4 1 09V N 0V TX RX UNIT X57 6962 70 A 2 SCHEMATIC DIAGRAM TKR 851 77 7 6 5 4 3 2 1 T S R Q P X57 696 A 2 4 4 t C205 100p R58 15k R54 1k C53 1000p C63 0 01u R63 18k C58 18p IC7 BU4094BCF 1 STRB 2 DATA 3 CLK 4 Q1 5 Q2 6 Q3 7 Q4 8 VSS 9 10 11 12 13 14 15 16 EPR C206 100p R14 33k R51 0 X1 44 395MHz C75 0 1u L23
167. UT A IN A IN V C1 V C1 C2 C2 V T2OUT R2IN R2OUT T2IN T1IN R1OUT R1IN T1OUT GND VCC 2SJ506 S Q610 IC623 BU4094BCFV SHIFT REGISTER STRB DATA CLK Q1 Q2 Q3 Q4 VSS D619 DA204U D622 DA204U D615 DA204U D611 DA204U D609 DA204U D607 DA204U D623 DA204U VIN1 VOUT1 VOUT2 VIN2 VDD LD CLK DI VIN3 VOUT3 VOUT4 VIN4 AOUT A IN A IN V AOUT A IN A IN V IN2 IN2 OUT B VCC IN2 IN2 OUT B VCC IC632 TA75W01FU IC621 TC7S00FU NAND GATE OUTX VCC IN OUT OUT IN GND IC622 TC7S66FU MULTIPLEXER 8C 8C NC SB SB SB SB NC QS GND GND MO MB GND SOE TMP PSW BUP LD2 FWD STB CK DT LDT LDR EPT EPR CP DP SC RSSI ASQ GND NC DET NC CP620 100 2 2SK1824 Q604 DC SW IC618 320VC5402PGE DSP IC620 ADM202EARN IC611 NJM4558E IC607 NJM4558E 2SK1824 Q602 DC SW Q601 DTC114EUA DC SW Q612 DTC144EUA DC SW SURGE PROTECTOR D606 612 615 616 619 620 622 623 D614 618 621 629 SURGE PROTECTOR DC SW DC SW Q611 DTC114EUA SB AMPSW DXD2 RXD2 RD1 GND RA1 TD1 DATA TAI 5C GND 5 05V 5 03V 13 07V 13 07V 1 21V 8 03V 5 03V 5 02V 5 02V 3 24V 5 02V 1 81V 3 30V 3 31V
168. Y UNIT X54 3330 21 A 2 7SEGMENT DC SW DC SW DC SW DC SW DC SW SHIFT REGISTER SHIFT REGISTER SURGE ABSORPTION D512 513 514 SHIFT REGISTER D508 511 SURGE ABSORPTION SOE CLK BUSYC POWLEDC DISPLAY UNIT X54 3330 21 B 2 SURGE ABSORPTION D601 602 STRB DATA CLK Q1 Q2 Q3 Q4 VSS STRB DATA CLK Q1 Q2 Q3 Q4 VSS MIG MIC VLI 5M HK PTT SB DAT STRB DATA CLK Q1 Q2 Q3 Q4 VSS D603 MINISMDC020 CURRENT PROTECTOR HK MIC MIG PTT GND NC SB NC GND 5M VLI D509 DA204U DA204U D510 D511 DA204U D508 DA204U Note The components marked with a dot are parts of layer 1 SCHEMATIC DIAGRAM TKR 851 73 7 6 5 4 3 2 1 J I H G F X54 333 2 2 IC501 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 D501 HSM88AS C508 0 1u R510 220k C506 47p R511 10k C509 0 01u R513 100k R512 10k R514 150k C510 10u10 R529 1k R530 1k R532 1k R531 1k R533 1k R509 10k C507 0 1u C504 0 1u C505 0 1u C502 1 5u10 R508 1k C503 1 5u10 R507 6 8k 2SC4116 Y Q501 R506 10k R517 820 1 2W CP502 470 4 CP503 470 4 IC505 BU4094BCFV 1 2 3 4 5 6 7 8 9 QS 10 Q S 11 Q8 12 Q7 13 Q6 14 Q5 15 OE 16 VDD CP504 470 4
169. ay is forcibly turned OFF by D12 and Q25 to interrupt the power and protect the main unit B R165 R166 D12 K1 Q24 Q25 SB Land PSW Display unit Front panel S507 Fig 12 DC source switching relay circuit Fig 13 SB switching relay circuit Fig 11 5 tone decode R833 R832 C839 R822 R830 C840 R831 C838 C837 C836 C833 R826 R818 R827 R824 R820 R823 R828 IC632 1 2 IC632 2 2 IC631 2 2 R829 C832 C830 R825 R821 R819 BIAS IC611 7 pin BIAS IC611 7 pin IC631 1 2 P3 5TONE IC604 IC604 checks the square wave frequency for the pres ence of the required tone and if the tone matches IC604 performs the subsequent required processing The 5 tone signalling is used only the E markets CIRCUIT DESCRIPTION TKR 851 18 Pin Function Pin No Name I O Function 1 IO5 I O Aux I O No 5 Acc D sub 25 pin 2 IO4 I O Aux I O No 4 Acc D sub 25 pin 3 5TN I 5 tone input 4 IO2 I O Aux I O No 2 Acc D sub 25 pin 5 IO1 I O Aux I O No 1 Acc D sub 25 pin 6 BYTE 5V 7 CNVss GND 8 ENT O TX PLL IC enable 9 ENR O RX PLL IC enable 10 Reset I Microcomputer reset input 11 Xout 14 7456MHz 12 Vss GND 13 Xin 14 7456MHz 14 Vcc 5V 15 NMI Not used 16 BUP I Backup battery detect
170. by IC619 B 2 passes through the IC619 A 2 low pass filter and goes to an electronic volume IC615 The transmit audio signal coming from IC605 is amplified by IC610 fed to pin 3 AINL of CODEC IC614 and converted from analog to digital at a sampling frequency of 16 128kHz The digitized transmit audio signal is AGC processed pre emphasized and filtered at 300Hz to 3kHz by DSP IC618 and the resulting signal is fed back to CODEC IC614 and con verted from digital to analog and the analog signal is output from pin 15 AOUTL The transmit signal from AOUTL is amplified by IC616 B 2 passes through the IC616 A 2 low pass filter and goes to the IC611 A 2 summing amplifier IC613 is a counter IC and the clock required for the CODEC and DSP is generated by dividing the 16 515MHz clock signal produced by DSP IC618 IC603 and IC606 are interface IC between the CPU oper ated at 5 0V and the DSP operated at 3 3V 5 7 Base Band Circuit The base band circuit switches between the modulation signal to the transmitter circuit and remote audio and adjusts their levels This circuit consists of IC605 IC607 IC611 IC615 and IC617 Modulation inputs include local microphone input low speed data LSD high speed data HSD external audio in put TA and external data input TD and demodulation out puts include receive audio output RA and receive data out put RD The multiplexer IC605 changes signals the electronic volume
171. channel to be used by the TKR 851 Adjustment procedure at the frequency of the channel to be used 1 Program a channel frequency using the FPU KPG 91D 2 From the FPU menu select in the order of EDIT Test Frequency and CH paste to rewrite the test frequency from the factory default to the one to be used for the channel Erase all channel frequencies rewritten through this op eration and press the ENTER key to retrieve the factory default test frequency Refer to the explanation given under HELP for the FPU KPG 91D for details 3 Check whether the frequency rewritten under the Test mode of the FPU KPG 91D is correct then select the item to be adjusted from the FPU KPG 91D menu and adjust the set value for the item to an optimum value with the TEST tag Note After adjustment of the Max Deviation be sure to check the DQT balance The 5 tone and W4 kHz adjustments are required only for the E market products 1 Setting 1 Connect the unit to a suitable DC power supply 2 Write test 1 Turn the DC source switch on after connecting a PC and FPU cable to the radio E1 appears on LED display frequency 2 Write the test and shipping frequency to the radio Green BUSY LED lights up 3 End of test frequency writing 3 Setting 1 Connect the unit to a suitable DC power supply 2 Turn the power switch on after connecting a PC and FPU cable to the radio
172. e of 440 to 470MHz E 450 to 480MHz K The receiver circuit located in TX RX unit X57 696 A 2 consists of the following 2 1 front end circuit 2 2 first mixer 2 3 IF amplifier circuit 2 4 audio amplifier circuit and 2 5 squelch circuit 2 1 Front end Circuit The front end circuit consists of BPF L2 RF amplifier Q1 and BPF L4 L5 The helical BPF covers frequency ranges 440 to 480MHz with a passband of 5 0MHz The BPF L4 L5 attenuates the unwanted signals and sends only the necessary signal to the first mixer DBM A1 2 2 First Mixer The signal from the BPF is heterodyned with the first local oscillator signal from the PLL frequency synthesizer circuit at the first mixer DBM A1 to become a 44 85MHz first inter mediate frequency IF signal The first IF signal is fed through two monolithic crystal filters XF2 Wide XF1 Nar row to further remove spurious signals W N SQL DET TX RX unit X57 A 2 TX RX SW SW W N W N MCF Narrow XF1 MCF Wide XF2 RSSI QUD W N SW DET VCO A VCO B RX VCO A3 X58 480 RX ANT BPF L2 RF AMP Q1 BPF L4 L5 1st MIX DBM A1 IF AMP Q8 IF AMP Q9 IF AMP Q10 LPF IF AMP Q2 44 85MHz D1 D2 IF AMP Q3 FM SYSTEM IC IC9 SW SW NOISE DET D5 NOISE AMP Q7 D3 D4 X1 44 395MHz CF1 Wide CF2 Narrow Q4 fRX 44 85MHz DEI DEO RD CODEC RA RXI RXO DAC AMP IC608 AMP IC619 B 2 LPF
173. equency the transmit frequency must be notched or suppressed by 75dB or more Additionally on the pro grammed transmit frequency the receive frequency must be notched or suppressed by 75dB or more The following fig ures are examples of Duplexer alignment using a spectrum analyzer Ref 10dBm Peak Log 10dB Atten 5dB V1 V2 V3 FC AA Res BW 30kHz VBW 30kHz Span 20MHz Sweep 50ms 401 pts RX TX 75dB or more 2 Confirmation of Repeater Desensitization The following figure is a Test set up for Repeater Desensi tization After this Test set up is completed confirm the Repeater Desensitization as mentioned below 1 Disable the repeater mode 2 Adjust the level of the RF generator until 12dB SINAD is reached 3 Increase the output of the RF generator by 1dB This in creases the SINAD 4 Enable the repeater mode 5 Read the SINAD level It should not drop below 12dB SINAD If the SINAD is less then 12dB check the tight ness of the connectors and the tuning of duplexer 50 dummy RF signal generator Duplexer Repeater Attenuated port TKR 851 46 Final Unit X45 3742 71 Connector Terminal Terminal I O Terminal function No No Name CN1 DRV I TX driver input signal Coaxial CN3 1 TMP O High temperature detector signal output for fan action To X57 2 BUP O Main DC BACKUP status output A 2 3 PDT O RF power down signal output TX RX 4 FAS I Fan con
174. f which it is a part and a sufficient description of the required component for proper identification PERSONAL SAFETY The following precautions are recommended for personal safety DO NOT transmit until all RF connectors are secure and any open connectors are properly terminated SHUT OFF this equipment when near electrical blasting caps or while in an explosive atmosphere This equipment should be serviced by only qualified tech nicians SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and align ment procedures contained in this manual Merchandise received Choose the type of transceiver Installation in the optional space Frequency range MHz TX RX 440 470 TX RX 450 480 RF power 25W 25W Type E K See page 4 A personal computer IBM PC or compatible programming interface KPG 46 and programming software KPG 91D are required for programming See page 40 The RX RF BPF L2 L4 L5 on TX RX unit A 2 must be aligned to obtain the maximum sensitivity at a programmed frequency YES NO DC power supply or duplexer KES 4 or KES 5 installation YES NO External speaker Repeater programming amp setup Delivery SYSTEM SET UP TKR 851 3 OPERATING FEATURES 1 Two 7 segment LED displays Channel display 1 16 While operating normally in user mode When the displayed channel is contained i
175. he repeater on the desktop attach the 4 spacers to the base of the repeater as shown in figure With these spacers attached the front panel will not touch the desk surface Pegs Firmly press these pegs J59 0302 05 through the spacers to afix them to the repeater Peel off the backing paper to attach these spacers J02 0492 04 Spacers J02 0475 05 7 Installing Name Plates Punch out the name plate card Then insert the plates onto the reltative function keys You can reconfigure the name plates at any time Side view of the key Squeeze and insert the plates Name plates for the function keys Name plates Punch out the name plate cards MODIFICATION 1 DC Source Switch To prevent the power supply from turning off due to misoperation of the DC source switch on the front panel or accidents tampering after installation the main unit can be kept on regardless of the on off of the DC source switch on the front panel Short the PSW land near K1 relay by soldering TX RX unit A 2 Component side K1 CF1 WIDE CF2 NARROW PSW INSTALLATION MODIFICATION Fig 6 Fig 7 Fig 8 Fig 1 TKR 851 9 2 Trickle Charge for Backup Battery If the external DC power supply is connected to the Main DC connector and a backup battery 12V rechargeable type is connected to the Backup connector at the same time the battery can be trickle charged from the external DC power supply with a maximum current
176. input output 4 24 AIO5 I O Programmable function input output 5 25 AIO6 I O Programmable function input output 6 ACC 15 pin Connector Connector Terminal Terminal I O Terminal function No No Name 1 SB O Power supply output after power switch 1A maximum 2 SB O Power supply output after power switch 1A maximum 3 NC No connection 4 GND Ground 5 GND Ground 6 SPG Speaker ground 7 RD O RX data output Equal to D sub connector terminal No 10 8 RSSI O RSSI output Analog signal output 9 SPI I Internal speaker input 10 AO1 O Auxiliary output 1 Open collector Low 150mA max 11 AO2 O Auxiliary output 2 Open collector Low 150mA max 12 SPO O External speaker output 13 AO3 O Auxiliary output 3 14 AO4 O Auxiliary output 4 15 AO5 O Auxiliary output 5 13 12 11 10 9 8 7 6 5 4 3 2 1 20 19 18 17 16 25 24 23 22 21 15 14 13 10 7 4 1 14 11 8 5 2 15 12 9 6 3 TERMINAL FUNCTION TKR 851 50 CN605 1 SPO 2 SPG 1 2 3 CN602 1 36 CN14 1 36 CN600 1 SB SB GND NC DAT PSW STB1 CLK SOE TXD1 K1 RXD1 K2 K3 K4 K5 VLI 5C MIG 20 MIC CN502 1 MIG MIC VLI 5C K4 K5 K2 K3 K1 HK RXD SOE PTT TXD STB1 CLK DAT PSW GND NC SB 20 SB CN601 HOOK MIC MIG PTT GND NC SB NC GND 5M VLI CN501 VLI 5M GND NC SB NC GND PTT MIG MIC
177. ired to detect 5 tone signal by the low pass filter IC632 2 2 high pass filter IC632 1 2 and BEF filter IC631 1 2 The signal made into a square wave by the comparator IC631 and input to the CPU IC604 D8 D9 R61 Land Main DC Backup battery 120mA B K1 Relay Final unit A 2 TX RX unit A 2 TX RX unit B 2 R55 IC604 CPU BUP 16 Q601 6 DC Power Supply Circuit 6 1 DC Source Switching Relay Circuit 1 The final unit contains a relay K1 for switching between the Main DC and Backup Battery If an external power source is connected to the Main DC terminal the Backup terminal is isolated by the relay If the Main DC turns OFF due to power failure it is switched to the Backup terminal by the relay The CPU monitors which is used Main DC or Backup Bat tery 2 Trickle charge circuit If both Main DC and Backup Battery are connected trickle charging of 0 5 A max can be performed from the Main DC power supply to the Battery The default is OFF See the Modification section for infor mation on the modification method The battery is charged from the Main DC with D8 D9 and R61 If it exceeds 0 5 A the charging circuit is turned OFF by D9 6 2 SB Switching Relay Circuit 1 SB Switched B is supplied through the relay K1 in the TX RX unit A 2 When S507 DC source switch in the display unit is turned ON the relay K1 is turned ON to output SB 2 If B exceeds 18V the rel
178. m for the CPU the signal process ing program for DSP and data such as channels and operating features This program can be easily written from an external de vice Data such as the operating status are programmed into the EEPROM IC600 5 3 CPU Clock Shift There are the 14 754MHz clock for the CPU IC604 and the 16 515MHz clock for the DSP IC618 at the control sec tion of TX RX unit X57 696 When these clocks are multi plexed with the reception frequency they become an inter nal beat signal To prevent this by tuning Q600 and Q604 on the clock frequency is shifted Shift on off can be set through programming 5 4 Shift Register Circuit Serial data is sent to the shift register IC502 to IC505 lo cated in display unit IC602 IC623 IC7 located in TX RX unit from the CPU IC604 to control various functions in the unit 5 5 Display Circuit The display circuit X54 333 contains two 7 segment LEDs D506 D507 orange see the operation manual for de tails of display D503 red transmission two color D504 green busy orange selective called two color LED D505 red backup green main DC LEDs in switches S501 to S506 IC502 IC503 IC504 and IC505 to display this model channels and states IC502 to IC505 are shift registers which convert serial data from the CPU to parallel data and light LEDs Q507 Q510 and Q511 are switching transistors which control two color LED D505 IC506 and IC507 are three pin
179. m the PC is being received by the repeater Note The data stored in the personal computer must match the model type when it is written into the flash memory Change the TKR 851 to PC mode then attach the inter face cable REALIGNMENT IBM PC KPG 46 KPG 91D TKR 851 Fig 1 4 Firmware Programming Mode 4 1 Preface The TKR 851 uses flash memory to allow it to be easily upgraded when new features are released in the future 4 2 Connection Procedure Connect the TKR 851 to the personal computer IBM PC or compatible with the interface cable KPG 46 Connection is the same as in the PC mode Notes You can only program firmware from the 8 pin micro phone connector on the front panel Using the 25 pin logic interface on the rear panel will not work TKR 851 5 4 3 Programming 1 Start up the programming software Fpro exe 2 Set the communications speed normally 115200 bps and communications port in the configuration item 3 Set the firmware to be updated by file name item 4 Turn the TKR 851 power on with the PF1 key held down Hold the key down for one second until the 7 segment display changes to P G When P G appears release your finger from the key 5 Check the connection between the TKR 851 and the per sonal computer and make sure that the TKR 851 is in the program mode 6 Press write button in the window A window opens on the display to indicate progress of writi
180. mper from the external speaker connector on the rear panel of the radio Fig 4 1 Note Save the jumper which is required when the radio is used without the external speaker 2 Remove the terminals with the jumper from the connec tor housing holes number 9 and 12 using the extracting tool Removing the jumper lead Fig 4 2 1 Insert the extracting tool J5800 002 into the connec tor while pushing the jumper lead in the direction of a 2 Push the extracting tool into collapse the barbs of the crimp terminal 3 Pull out the lead while continuing to push the extracting tool in the direction b 3 Reinsert the terminal with the black and white stripe lead into hole number 12 and the terminal with the black lead into hole number 6 Fig 4 3 4 Attach the connector to the external speaker connector on the radio CN601 CN603 CN604 CN605 CN606 R653 SB SB 8C R742 1 14 PTO TX RX unit B 2 Control section Component side TXO MIC signal output TXI MIC signal input RXO RX audio signal output AC Audio control signal output BC1 Scramble code output 1 BC2 Scramble code output 2 BC3 Scramble code output 3 BC4 Scramble code output 4 PTI PTT signal input CLRC Clear code for scrambler RXI RX audio signal input PTO PTT signal output NC GND CN601 1 14 Voice scrambler Display unit 8C PTO Display unit A 2 Foil side Fig 1 Fig 3 Fig 2 INSTALL
181. n scan se quence the right side decimal point is displayed When the displayed channel is the priority channel the left side decimal point is displayed PC is displayed while in PC mode PG is displayed while in firmware programming mode 2 decimal points displayed 115 200bps 1 decimal point displayed 57 600bps No decimal 38 400bps E1 is displayed when FPU data is not written E2 is displayed when the channel data is not written E3 is displayed when PLL is unlocked Receiver PLL unlocked BUSY LED blinks Transmitter PLL unlocked TX LED blinks E4 is displayed when PTT is attempted on a channel number that has no frequency data programmed SC is displayed while in scan mode TKR 851 4 1 Modes 3 3 KPG 46 Description PC Programming Inter face Cable Option The KPG 46 is required to interface the TKR 851 to the computer It has a circuit in its D sub connector 25 pin case that converts the RS 232C logic level to the TTL level The KPG 46 connects the microphone connector of the TKR 851 to the computer s RS 232C serial port 3 4 Programming Software Description The KPG 91D is the programming software for TKR 851 supplied on a CD ROM This software runs under Windows 98 ME Windows 2000 or XP on an IBM PC or compatible machine The data can be input to or read from TKR 851 and edited on the screen The programmed or edi
182. ng 7 If writing ends successfully the TX LED on the TKR 851 lights 8 If you want to continue programming other TKR 851s re peat steps 3 to 6 Notes This mode cannot entered if the firmware program mode is set to disable in the programming software KPG 91D 4 4 Function If you press the PF1 key front panel both decimal point on the 7 segment display will disappear The writing speed is 38400 bps low speed mode If you press the PF1 key again the right hand decimal points will light The writing speed is 57600 bps middle speed mode Note Normally write in the high speed mode 115200 bps REALIGNMENT INSTALLATION INSTALLATION 1 External Power Supply Connection Rear Connectors This unit has two external power supply connectors Main DC and Backup If an external DC power supply is connected to the main DC connector and a backup battery is connected to the Backup connector at the same time the DC power supply switches to the battery automatically if power failure occurs Therefore the operation of the repeater can be continued If the battery is used but both the battery and power sup ply need not be connected if an external switch is used or if only a solar battery is used connect it to the Backup connec tor not the Main DC connector Current consumption can be reduced by approx 120mA because the relay is not used If it is installed when the temperature at the repeater site is below freezing
183. o Temperature the cooling fan is turned ON or OFF according to temperature If the ambient temperature of the final unit exceeds approx 35 C the output from the temperature detection IC1 changes from H to L This signal is sent to the CPU IC604 by Q602 in the TX RX unit B 2 control section and the out put from pin 13 FAS of IC7 in the TX RX unit A 2 controlled by the CPU goes H FAG FAB CN4 Q9 TMP FAS IC1 13 Q6 IC7 CK DT STB CPU IC604 TMP 17 Q602 B X45 A 2 X57 A 2 X57 B 2 FAN OFF ON 20 C 30 C 35 C 40 C 50 C This signal turns Q9 in the final unit ON to run the cooling fan It has a hysteresis of approx 2 C by IC1 If fan action is set to Continuous the fan operates continuously but Q9 stays ON Fan operation Fig 4 Fan action control circuit CIRCUIT DESCRIPTION TKR 851 14 4 PLL Frequency Synthesizer The PLL frequency synthesizer circuit consists of the fol lowing circuits 4 1 receiver PLL circuit 4 2 transmitter PLL circuit and 4 3 unlocked detector circuit 4 1 Receiver PLL The receiver PLL circuit is located in VCO unit A3 X58 480 on TX RX unit X57 696 A 2 and consists of VCXO X2 VCO s Q350 and Q351 a single chip PLL IC IC300 buffer amplifier Q355 and high frequency amplifier Q302 The VCXO generates 16 8MHz The frequency stability is within 1 5ppm Temperature range of 30 to 60 C The frequency
184. o RX ANT SSG Rear RX ANT PC adj squelch CH 2 Wide Adjust to point of Wide SSG output 4dB below to Audio TEST SPKR closing squelch 12dB SINAD level analyzer jack SPO SSG MOD 1kHz VTVM pin 12 SSG DEV 3kHz Oscilloscope AF 2V 4 2 SSG OFF Check Squelch must be closed TKR 851 41 Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method ADJUSTMENT Wide 4kHz 3 CH 2 Wide 4kHz SSG Rear RX ANT PC adj SSG output 4dB below to Adjust to point of 12dB SINAD level Audio TEST SPKR closing squelch SSG MOD 1kHz analyzer jack SPO SSG DEV 2 4kHz VTVM pin 12 AF 2V 4 Oscilloscope 4 SSG OFF Check Squelch must be closed Narrow 5 CH 2 Narrow PC adj SSG output 4dB below to Adjust to point of 12dB SINAD level closing squelch SSG MOD 1kHz SSG DEV 1 5kHz AF 2V 4 6 SSG OFF Check Squelch must be closed 17 Tight 1 Connect SSG to RX ANT SSG Rear RX ANT PC adj squelch CH 2 Wide Adjust to point of Wide SSG output 7dB over to Audio TEST SPKR opening squelch 12dB SINAD level analyzer jack SPO SSG MOD 1kHz VTVM pin 12 SSG DEV 3kHz Oscilloscope AF 2V 4 Wide 4kHz 2 CH 2 Wide 4kHz PC adj SSG output 7dB over to Adjust to point of 12dB SINAD level opening squelch SSG MOD 1kHz SSG DEV 2 4kHz AF 2V 4 Narrow 3 CH 2 Narrow
185. ommon 8V output CN15 1 E Earth 2 B I Power supply input 3 B I Power supply input CN16 1 GND Ground 2 NC No connection To X45 3 8T O 8V output during transmission final 4 PC O TX power control signal output unit 5 FAS O Fan control signal output 6 PDT I RF power down signal input 7 BUT I Main DC BACKUP status input 8 TMP I High temperature detector signal input for fan action CN18 1 RX IN I Receive signal input Coaxial CN19 1 DO O Transmission signal output Coaxial TX RX Unit X57 6962 70 B 2 Control Section Connector Terminal Terminal I O Terminal function No No Name CN600 1 SB O Power supply output after power switch To X54 2 SB O Power supply output after power switch B 2 3 GND Ground Connector Terminal Terminal I O Terminal function No No Name 4 NC No Connection display 5 DAT O Serial data output unit 6 PSW I Power switch input 7 STB1 O Strobe data for shift register 8 CLK O Clock data output 9 SOE O Output enable for shift register 10 TXD1 I O PTT input TXD output 11 K1 I KEY input 1 12 RXD1 I Hook detection input RXD input 13 K2 I KEY input 2 14 K3 I KEY input 3 15 K4 O KEY output 4 16 K5 O KEY output 5 17 VLI I Volume control input for AF signal 18 5C O Common 5V output 19 MIG Mic ground 20 MIC I MIC
186. on D51 52 Diode Reverse connection protection Display Unit X54 3330 21 Ref No Part name Description IC501 MOS IC MIC amplifier IC502 505 IC Shift register IC506 507 IC Voltage regulator Q501 502 Transistor Level controller Q503 504 FET DC switch Q506 Transistor DC switch Q507 FET DC switch Q508 511 Transistor DC switch Q512 514 FET DC switch Q516 519 FET DC switch Q521 525 FET DC switch D501 502 Diode AF detector D503 505 LED LED D506 507 LED 7 segment D508 514 Diode Surge absorption D601 602 Diode Surge absorption D603 Varistor Current protector TX RX Unit X57 6962 70 Ref No Part name Description IC1 2 IC Buffer amplifier IC3 5 IC Voltage regulator SEMICONDUCTOR DATA COMPONENTS DESCRIPTION TKR 851 21 Ref No Part name Description IC6 IC D A converter IC7 IC Shift register IC9 IC FM IF system IC10 11 IC Voltage regulator IC600 IC EEPROM IC601 IC Voltage detector IC602 IC Shift register IC603 IC Bus transceiver IC604 IC CPU IC605 IC Multiplexer IC606 IC Bus transceiver IC607 608 IC AF amplifier IC609 IC Flash ROM IC610 611 IC AF amplifier IC612 IC Inverter IC613 IC Counter IC614 IC CODEC IC615 IC D A converter IC616 617 IC AF amplifier IC618 IC DSP IC619 IC AF amplifier IC620 IC RS 232C tranceiver IC621 IC NAND gate IC622
187. power supply ICs which produce power used for the display circuit EEPROM IC600 TX RX unit X57 B 2 CONTROL IC601 SW Q600 X600 BEAT SHIFT Reset IC 14 754 MHz SW Q600 X601 BEAT SHIFT 16 515 MHz FLASH ROM CPU IC609 IC620 232C DRIVER IC615 D A IC IC602 623 Shift Register IC INTERFACE IC IC603 606 DSP IC618 CODEC IC IC614 DIVIDER IC613 IC604 CLK SOE STB1 SO SO SO KEY1 5 KEY LAMP 1 6 Display unit X54 3330 21 A 2 BUSY CALL Main DC BACKUP Shift Reg 1 BU4094BCFV SI SI SI DAT Shift Reg 2 BU4094BCFV Shift Reg 3 BU4094BCFV Shift Reg 4 BU4094BCFV PF1 6 SW SW SW SW SW SW CLK SOE STB1 CLK SOE STB1 CLK SOE STB1 TX SW Fig 8 Control circuit Fig 9 Display circuit CIRCUIT DESCRIPTION TKR 851 16 5 6 DSP The DSP circuit filters transmit receive audio signal and encode decodes signaling QT DQT This circuit consists of IC618 IC612 IC613 IC614 IC603 IC606 IC608 IC610 IC616 and IC619 The receive signal DET is converted from analog to digital by IC614 with a sampling frequency of 16 128kHz The digi tized audio signal is sent to DSP IC618 to process the signal ing signal and audio signal The processed digital audio signal is fed to CODEC IC613 converted from digital to analog and the analog signal is output from pin 16 AOUTR Then the audio signal is amplified
188. ted data can be printed out It is also possible to tune the transceiver 3 5 Programming With IBM PC Data can be programmed into the flash memory in RS 232C format via the microphone connector User mode PC mode Firmware Programming mode PC programming mode PC test mode PC tuning mode Mode Function User mode Use this mode for normal operation PC mode Use this mode to make various settings by means of the FPU through the RS 232C port PC programming Use to read and write frequency data and mode other features to and from the repeater PC test mode Use to check the repeater using the PC This feature is included in the FPU Firmware pro Use when changing the firmware program gramming mode of the flash memory 2 How to Enter Each Mode Mode Operation User mode Power on PC mode Received commands from PC Firmware Pro PF1 key Power on one second gramming mode 3 PC Mode 3 1 Preface The TKR 851 repeater is programmed by using a personal computer programming interface and KPG 91D software 3 2 Connection Procedure 1 Connect the TKR 851 to the personal computer with the interface cable 2 When power is applied the user mode is entered immedi ately When the PC sends a command the repeater en ters the PC mode and displays PC on the 7 segment LED When data is being transmitted to the PC from the repeater the TX LED flashes The BUSY LED flashes when data fro
189. trol signal input unit 5 PC I TX power control signal input 6 8T I 8V input during transmission 7 NC Reserved 8 GND Ground CN4 FAB O Power supply output for cooling fan FAG O Fan ground CN5 1 E Ground 2 B O Power supply output 3 B O Power supply output CN6 1 Main DC I Power supply input from Main DC terminal CN7 1 BACKUP I Power supply input from BACKUP terminal CN8 1 GND Ground Display Unit X54 3330 21 A 2 Connector Terminal Terminal I O Terminal function No No Name CN501 1 HK I Hook detection input RXD input 2 MIC I MIC signal input To X54 3 MIG MIC ground B 2 4 PTT I O PTT input TXD output display 5 GND Ground unit 6 NC No connection 7 SB O Power supply output after power switch 8 NC No connection 9 GND Ground 10 5M O Common 5V output 11 VLI I Volume control input for AF signal CN502 1 MIG MIC ground 2 MIC O MIC signal output To X57 3 VLI O Volume control output for AF signal B 2 4 5C I Common 5V input TX RX 5 K4 I KEY input 4 unit 6 K5 I KEY input 5 control 7 K2 O KEY output 2 section 8 K3 O KEY output 3 9 K1 O KEY output 1 10 HK RXD O Hook detection output RXD output 11 SOE I Output enable for shift register 12 PTT TXD I O PTT output TXD input Connector Terminal Terminal I O
190. ts center Flat cable 36 pin about 256mm 8 1 Cut HOOK GRY MIC WHT MICG SHIELD To AG AF VTVM PTT BLU GND BLK PTT SW Plug cord Part No E30 3360 18 8 pin 8 pin TKR 851 38 ADJUSTMENT More than 3 75kHz More than 3 75kHz ATTEN 10dB RL 32 0dBm 10dB MKR 46 000dB 15 00kHz MKR 15 00kHz 46 000dB D G CENTER 44 85000MHz RBW 300Hz VBW 1 0kHz SPAN 50 00kHz SWP 2 0sec 3dB Max 15kHz More than 40dB 5 5 7 5kHz 5 5 7 5kHz ATTEN 10dB RL 32 0dBm 10dB MKR 42 17dB 25 00kHz MKR 25 00kHz 42 17dB D G CENTER 44 85000MHz RBW 300Hz VBW 1 0kHz SPAN 50 00kHz SWP 2 0sec 3dB Max 25kHz More than 40dB Fig 1 Fig 2 Fig 3 Adjustment Points 2 5MHz 2 5MHz ATTEN 20dB RL 10 0dBm 10dB MKR 26 17dBm 465 00MHz MKR 465 00MHz 26 17dBm D G CENTER 465 00MHz RBW 300kHz VBW 300kHz SPAN 50 00MHz SWP 50ms 3dB Max BPF center frequency Factory default K 465MHz E 455MHz CN15 CN16 CN18 CN19 1 8 L2 L4 L5 L14 L15 1 2 1 2 L16 L17 L18 L19 1 3 L24 CN1 CN2 CN3 CN4 PSW WIDE NARROW TP102 TX CV TP101 RX CV TC350 VCO A A2 TX VCO X58 481 TC350 VCO A TC351 VCO B A3 RX VCO X58 480 TX RX UNIT X57 696 A 2 Component side view FINAL UNIT X45 374 A 2 Component side view ANT Q5 TH1 Q4 CN3 1
191. tuning of the VCXO is done to apply a voltage to pin 1 of the VCXO The output of the VCXO is applied to pin 8 of the PLL IC through the pin 7 of the VCO The first local oscillator is a lower heterodyne local oscilla tor and the VCO oscillator frequency is 405 15 to 435 15MHz K 395 15 to 425 15MHz E The oscillator frequency is controlled by applying the VCO control voltage obtained from the phase comparator to the varactor diodes 4 2 Transmitter PLL The transmitter PLL circuit is located in VCO unit A2 X58 481 on TX RX unit X57 696 A 2 and consists of VCXO X3 VCO s Q350 a single chip PLL IC IC300 buffer amplifier Q355 and high frequency amplifier Q302 The VCXO generates 16 8MHz The frequency stability is within 1 5ppm Temperature range of 30 to 60 C The frequency tuning and modulation of the VCXO are done to apply a voltage to pin 1 of the VCXO The output of the VCXO is applied to pin 8 of the PLL IC through the pin 7 of the VCO The VCO oscillator frequency is 450 00 to 480 00MHz K 440 00 to 470 00MHz E The oscillator frequency is controlled by applying the VCO control voltage obtained from the phase comparator to the varactor diodes 4 3 Unlock Detector Circuit If a pulse signal appears at the LD pin of IC300 an unlock condition occurs causing the voltage applied to the pin of the microprocessor to go low The names of this pin are LDT for TX PLL and LDR for RX PLL When the microprocessor de
192. u L25 27n R36 1k C122 0 01u R122 10 C96 470p L16 L34 4527 05 C33 33p R99 100 R94 100 R100 68 C134 0 01u C40 0 01u C93 470p C159 470p 9CLT 8CR D1 DAN235K C128 0 01u C123 0 01u 2 COM 3 IN 1 OUT C140 0 01u R123 10 C101 5p D2 DAN235K R109 100 C166 470p C132 470p C141 0 01u 2SB1386 R Q18 L10 150n L28 18n C98 470p 2SB1132 Q R Q16 C152 0 01u C94 3p R168 0 2SC3356 Q8 2SC3356 Q9 C102 470p R107 47 R105 27 C105 7p C104 470p L27 22n R102 3 3k 2SC3357 Q10 R113 470 R145 47 R148 4 7k R135 5 6 R134 820 R136 820 R131 1k C176 0 01u C214 0 01u R114 0 L29 18n L30 18n C111 6p C109 12p C107 6p R13 270 R11 270 R10 18 C199 0 01u L34 10u C212 0 01u C13 470p R9 22k R8 150 C14 6p C15 6p L33 15n R171 0 C210 8p C211 12p C8 0 5p C3 12p C7 12p C4 470p R5 100 L2 L79 1849 05 L3 18n R2 1 2k C5 470p R3 1k 2SC3357 Q1 L6 18n R103 1k MB DC SW MO DC SW RF AMP RF AMP RF AMP 8C W N TX SW VOLTAGE REGULATOR W N 8TC RF AMP 8T RF AMP 5CR VO VOLTAGE REGULATOR WIDE VOLTAGE REGULATOR VOLTAGE REG

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