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TK-890H(B)

1. TX RX UNIT 57 5620 13 TK 890HCBOK FINAL UNIT X45 3570 10 TK 890HCBOK scenic R348 33 TX PRE DRIVE AMP 1 C336 L310 R330 8344 33 1316 0908 SWITCH 0501 e
2. o 4 1 7 o ED1 C35 EEPROM EEPROM O Olu wsoi cwil CALL SCN SP B OST Webi 11 1 lt 11 ME i MEG MIS ME AT24C64N10S12 s
3. 2 _ UDTK 890 CBOK 11 TK 890CBOK2 12 FINAL UNIT X57 5620 XX 3 10 f gy ee ee EN ened 5 1 4 5 1809 Ql 25 1162 Q4 DTC1448 28D2399 05 FMWI TX RX UNIT X57 5620 XKX CA 3 10 TK 890 CBOK 11 TK 890 B K2 12 TK S ORENSE HEC CHE K M68769H 227R 10D XB15A709 22 SS SS SS SS SS SS su
4. M 13 58V 527 REVERSE 5 a al a EN 13 38 CURRENT 1 50 ind 1 m WA CN501 NT Par aoe sess 888888598988 BY PREVENTION 8151313131313131513131531313 IN OUT 505 2 D502 R504 EEPROM 1000 REVERSE CURRENT PREVENTION 5 m 5 2 C GND w R642 R643 R644 D e 0 155355 o a 2519 iD 12506 10514 n WW NOR GATE 4 s ri te RSI m ce a P i 251500583 L78LROSB FA AT24C64N10S127 Mali AIL AV 0501 D507 5 AVR 5 TeTso2r 8
5. 21 2 DA204U D12 830 2194 05 224 155301 Q1 28C2873CY 014 15 DTDI14EK NJMT8LOSUA 78064GCA458EU DA204U D7 830 2193 05 219 25111 Q1 28C2873 Y Q14 15 DTD114EK ICi NJMT8LOSUA ICA 78064GCAA458EU D5 02CZ9 1 Y D13 830 2193 05 225 25111 93 7 9 11 DTC144EU RH5VL42C 05 02 79 1 X Y 211 12 14 16 2040 92 8 DTC144EU IC2 RH5VL42C 26 11 B30 2140 05 D16 17 19 21 DA204U 012 13 DTC114TU 103 AT24C64N10S127 D6 B30 2194 05 D18 1SS301 Q9 10 DTC114TU AT24C6AN10S127 88 A ELS WM C Dz E NES Q 8 5 TK 890 H CIRCUIT DIAG RAM Note Components marked with a dot are parts of pattern 1 CONTROL UNIT 57 5620 8 37 10 TK 8980 BO K 11 TK 890 BIK2 12 890 827 3 13 TK 890H BIK
6. gt TK 890 B H B PARTS LIST TX RX UNIT X57 5620 13 TK 890H B Desti nation RK73GB1J393J 39K J R717 GB1J102J 73GB1J122J 1 2K R718 GB1J333J RK73GB1J152J 1 5K R719 DB3D2R2J RN73GH1J2741 270 R720 670 05 RN736GH1J334 330 R721 GB1J393J Desti Address Parts No Description nation Ref No Address Parts No Description 0 33 2 2 00 39 n RN73GH1J274 270 R722 GB1J184J RK73GB1J472J R723 670 05 RK73GB1J473J R724 GB1J683J R R 73GH1J274 R725 GB1J333J K73GB1J103J R726 GB1J122J 8 0 8 3 2 RK73GB1J684J R727 GB1J473J RK73GB1J822J R728 670 05 R 47 R RN73GH1J274 R729 736 RK73GB1J472J R R 00 47 10 00 R92 0670 05 R740 741 73GB1J RN73GH1J563 R742 92 0670 0 C9 RN73GH1J473 R744 RK73GB1J RK73GB1J R746 R92 1252 0 RK73GB1J R747 R92 0670 0 RK73GB1J R748 R92 1252 0 R92 0670 0 501 R12 6417 0 C C C RK73GH1J D102 105 DAN235K RK73GH1J223D D107 742 RK73GB1J473J D108 55355 R92 0670 05 D201 DA204K RK73FB2A102J 0301 306 V282 RIABLE CAPACITANCE DIODE 0 0 0 0 RK73FB2A102J 1 D307 Sv214 ARIABLE CAPACITANCE DIODE RK73FB2A102J 0308 DAN235K ODE R92 0670 05 D501 02CZ18 X Y ENER DIODE RK73GB1J473J D502 503 55355
7. CAPACITORS CC 45 TH 1H 220 J Color Capacitor value 1 2 3 4 5 6 010 1pF 2 2 0 22 1 ceramic electrolytic etc 4 Voltage rating 00 10pF Multiplier 2 Shape round square ect 5 Value 100pF jnd namber 3 Temp coefficient 6 Tolerance 02 1000pF 0 001 pF 1st number 103 0 01pF Temperature coefficient 1st Word U 2nd Word G H J K L Color Violet ppm C 30 60 120 250 500 ppm C 750 Example CC45TH 470 60ppm C Less than 10pF No code Code B D F Voltage rating 100 More than 10uF 10 50 Less than 4 7uF 10 75 pF 0 1 0 25 0 5 1 2 2nd word H J V 50 63 8 0 50 63 35 500 630 800 Chip capacitors 5000 6300 8000 Dimension Chip capacitors EX CC73 F 511 000 J Dimension code L T LJ 2 E CoO L ao Co L Refer to the table above Empty 56 0 5 5 0 0 5 Less than 2 0 4 5 z 1 Type A 4 5 0 5 3 2 0 4 Less than 2 0 Chip CH RH UJ SL 2 Shape B 4 54 0 5 2 0 03 Less than 2 0 3 Dimension C 4 5 0 5 1 25 0 2 Less than 1 25 EX CK 3 E E H 000 2 4 coeff
8. wo C C 0200 FB1E104K gt 73GB1E223K 92 0507 05 73GB1H222K 73FB1E104K 73FB1E333K C621 C622 C623 C624 C625 63 63 C3 C3 C C lt gt CD C2 C73GCH1H470J 73FB1E104K 73GB1H102K 73GB1E223K 92 0507 05 C626 627 628 629 630 C63 C632 639 3 C3 I 92 0036 05 73GB1E103K 73GB1H102K 92 0003 05 C73GCH1H100D C640 641 642 C666 680 C68 682 683 63762 73GB1E223K 73GB1H102K 92 0036 05 92 0585 05 C73GCH1H030C C684 C685 C686 C687 688 689 73GB1H472K 92 0628 05 C73GCH1H470J 92 0507 05 73GB1H47 C690 691 692 C693 C694 C695 C C 02 020 73GB1H 92 0546 0 73FB1E C73FCH1 C73GCH C696 C697 698 700 701 703 705 3 C 73GB1H C73GCH C73GCH 73GB1H C73GCH C706 507 0 C707 GCH1 C708 FB1E1 C709 GCH1 C710 3 63 TK 890 B H B PARTS LIST TX RX UNIT X57 5
9. L72 0939 05 CERAMIC FILTER 455KH L79 1530 05 HELICAL BLOCK 92 0721 05 CK73GB1E103K CK73FB1E104K CK73GB1H102K 92 0040 05 L40 1075 34 SMALL FIXED INDUCTOR 10NH L40 1575 34 SMALL FIXED INDUCTOR 15NH L79 1533 05 HELICAL BLOCK CO rm TK 890 B H B PARTS LIST TX RX UNIT X57 5620 13 TK 890H B Desti nation L40 1281 37 FIXED INDUCTOR 0 120UH 0819222 140 2781 37 ALL FIXED INDUCTOR 0 270UH GB1J473J L40 1575 34 ALL FIXED INDUCTOR 15NH GB1J102J L40 1875 34 ALL FIXED INDUCTOR 18NH GB1J472J L40 2275 34 ALL FIXED INDUCTOR 22NH GB1J223J Desti nation Address Parts No Description Address Parts No Description 22K J 47 4 7K 22 QAO OQ L34 4529 05 GB1J223J L34 4528 05 GB1J274J L34 4529 05 GB1J223J L34 4528 05 L GB1J183J L34 4529 05 GB1J182J 22 22 18 L40 1005 34 GB1J334J 9 L40 4785 34 GB1J472J 20 L34 4530 05 L GB1J332J 23 L40 4772 37 GB1J470J L201 L40 1875 34 GB1J821J OOOO L202 L40 1271 34 L203 L40 8271 34 L204 L40 1875 34 GB L301 306 L40 1095 34 GB L307 L34 4556 05 GB GB GB C3 134 4518 05 GB L40 1095 34 GB L40 1595 34 GB L40 1095 34 L H GB 0 1595 34 1252 L4
10. 10 6621 02 LYSTYRENE FOAMED FIXTURE J61 0307 0 ACSY 11 0892 04 LYSTYRENE FOAMED BOARD 11 0896 04 LYSTYRENE FOAMED BOARD 29 4664 0 KCH 10 VOL UP DOWN 12 1403 04 CKING FIXTURE 29 1704 0 ACSY 13 1066 04 RTON BOARD K29 5251 KCH 10 K29 5276 0 ACSY 25 0103 04 ROTECTION BAG 125 250 0 07 K29 5277 0 ACSY 25 0194 04 ROTECTION BAG 280 400 0 07 25 2063 04 ROTECTION BAG 80 120 0 03 K29 5305 03 CSY 52 1231 12 TK 890 B H B TK 890 B TX RX UNIT X57 5620 XX TK 890 B Desti Desti nation nation B J21 8346 04 HARDWARE FIXTURE DC ACC C92 0720 05 100UF 25WV 3 21 J61 0307 05 BAND ACSY C92 0760 05 22UF 20WV 3 CK73FB1H103K 0 0100 3 2B 09 2292 05 HEXAGON HEAD SCREW CC73 H101J 100PF J 33 3006 45 OVAL HEAD MACHINE SCREW CC73 H070D 7 0PF D 35 3006 46 BINDING HEAD MACHINE SCREW 6 6 PARTS LIST Address Parts No Description Address Parts No Description 67 3008 4 PAN HEAD SEMS SCREW W 87 2606 4 BRAZIER HEAD TAPTITE SCREW CC73 CC73 CK73G CC73G CC73G 0800 8 0 0900 9 0 87 2612 46 BRAZIER HEAD TAPTITE SCREW 87 3008 46 BRAZIER HEAD TAPTITE SCREW 99 0365 05 SCREW SET ACSY C 20 0300 3 0 TATR CC73 CC73 CK73 CC73 C 5 0 0600 6 0 03
11. C2 1 04 5 1809 0 2502399 TRANSISTOR XB15A709 0 2562712 SISTOR DTC144E TAL TRANSISTOR HSM88AS DIO FMW1 TRANSISTOR DAN235K DIODE 25 2712 TRANSISTOR 742 DIODE DIO DIO 55355 DE 25 3357 SISTOR DA204K DE 25 3356 TRANSISTOR 283357 TRANSISTOR Sv282 VARIABLE CAPACITANCE DIODE 144 TAL TRANSISTOR Sv214 VARIABLE CAPACITANCE DIODE DTC144E TAL TRANSISTOR DAN235K DIODE 02C718 X Y ZENER DIODE 2564215 TRANSISTOR 55355 DIODE DTC144E TAL TRANSISTOR 2564617 SISTOR 02CZ5 6 X Y ER DIODE 2504226 TRANSISTOR 55355 DE 2581132 TRANSISTOR 55301 DE 02 215 ER DIODE DTC114E TAL TRANSISTOR 55355 DE 25 3357 TRANSISTOR 25 2954 TRANSISTOR 55301 DE DTC114E TAL TRANSISTOR 55355 DE 2581132 SISTOR TK 890 B H B TX RX UNIT X57 5620 XX TK 890 B TK 890H B FINAL UNIT X45 3570 10 TK 890H B PARTS LIST Desti nation Desti nation C4116 GR F29 0472 04 INSULATING COVER ACSY C3722K S 2SK508NV K52 G02 0709 04 FLAT SPRING AUDIO AMP C4116 Y STOR G02 0715 04 FLAT SPRING AVR DTC114EUA L TRANSISTOR G53 0715 03 PACKING DC ACC G53 0871 03 PACKING CABINET UPPER G53 1501 03 PACKING CABINET LOWER Parts No Description Address 1 5 Description 2504226 824 2563356 2SC4226 R24 R OR OR 02 0604
12. T WE m Pv yr a 1 51 2 D n 11 Component side Foil side B D H J L R T Note Components marked with a dot are parts of pattern 1 CIRCUIT DIAG RAM 890 KCH 11 DISPLAY UNIT 54 3200 20 A72 10 DISPLAY UNIT 54 3190 20 A 3
13. 5580 are Lia nuk BS il Rtg I als 7 7 7 4 10k 3 SRA 587 5367 zx c366 31 C126 u 1 5k 100k ST 24 9465 i C371 e R312 3 aTa OTS th 92h e I 1 16 gt H 5 Om 1000 760mV 1 2 18009 R313 10K Hz C348 ojo DTC114EUA 3t 5 b 13 35V EE SWITCH 95 C301 1000 T 9315 100 227 00V 9 1 2 avr 112 8 910 1 TI m R325 L303 D306 335 1309 TE 28C4226 R24 Sas ANBOOOM 28C2712 CY 011 ev TC sn C302 1000p R315 779 A h TI md Q103 1 1 8 o s j j 1 93V NT asa 48 75 50dBm 1 iv 8981 a 1315 34 283356 OUT IN OUT IN x dos R305 C303 0 Olu w 330 6 yhe bog R333 2 e Q104 DC AMP m Q303 m a 25 3357 77 21 5 1 5u DC SW gt 2 180 Qo aja 2SC3722K S 3 0310 222 OFS 5 5 255 a GND ule a 9 alg 99 GE qup 15 16 R21 ANT 53 6 2SCA116 Y Ms 5 5 ame 477 119 s UB SEO 2 820 15 Q307 291
14. 2 1 3 4 ef 5 E 6 0610 7 9 ony 10 11 Component side Pattern 1 Pattern 2 Pattern 3 Pattern 4 us Foil side Connect 1 and 4 13 14 A B F G K L M N R S B PC BOARD VIEWS 1 FINAL UNIT 57 5620 3 10 TK 890 B 11 TK 890 B K2 12 TK 890 B Component side view 2 CN4 172 0569 42 C 3 2 5 5 C27 C37 2 5 M L6 G2 Eb 1 m CN2 e 4B R2 a cl p I C19 aa C t sid D2 eR a E omponent side 6 o S Pattern 2 14 ull 9 Pattern 3 F B Pc Pattern 4 i Foil side 7 8 FINAL UNIT X57 5620 XX 3 10 TK 890 B 11 TK 890 B K2 12 TK 890 B Foil side view 5 9 T 10 9 3 11 12 Component side Pattern 1 Pattern 2 Pattern 3 Pattern 4 13 Foil side 100 R 5 PC BOARD VIEW 890 FINAL UNIT X57 5620 XX 3 10 890 B 11 890 K2 12 TK 890 B Component side view Foil side 2 Esa k 1 C 4 77151 rez amp 3 3 5 6 Component side 7 Pattern 1 Pattern 2 Pattern 3
15. 450 490MHz 40W TK 890 B F1 License frequency allocated by FCC 480 512 2 AOW TK 890 B F2 403 430MHz 40W 890 450 470 2 100W TK 890H B F1 Modified of control unit KES 4 EXT SP Are you using two radios with two controllers YES Are you using two radios with one controller YES Are you using one radio with two controllers YES with one controller YES Single control head kit Dual control head kit Dual band remote kit Dual band dual control head kit or or or or 10 1 11 10 1 11 KCH 10 11 KCH 11 KCH 10 11 KCH 11 See Remote kit service manual ee page 17 PC or compatible programming interface KPG 43 KPG 44D are required for programming ing data are programmed for the transceiver See page 18 See page 18 Service manual parts No list Model KRK 5 6DH Parts No B51 8445 00 B51 8452 00 KRK 7DB 8DBH OPERATING FEATURES 1 Controls and Functions 1 1 Basic Function Panel 1 6 7 19 KENWOOD BBB ERU 8 on 80 30 5 10 11 12 13 14 29 24 26 28 31 20 21 22 23 25 27 CALL MON SCN SP OPT B
16. X54 A 3 227 U M2 6 x5 87 2605 46 V M2 6x8 Br Tap 87 2608 46 218 2 8 W M3 x6 Br Tap N87 3006 46 60 Parts with the exploded numbers larger than 700 are not supplied TK 890 B H B EXPLODED VIEW KCH 11 G X54 A 2 301 304 X M2 6x5 Br Tap 87 2605 46 315x2 2 Y M2 6x8 Br Tap N87 2608 46 2 M3 x8 Br Tap 87 3008 46 Parts with the exploded numbers larger than 700 are not supplied 61 TK 890 B H B PACKING TK 890 B 35 Polystyrene foamed fixture H11 0896 04 38 Packing fixture H12 1403 04 12 DC cord assy E30 3318 15 TK 890 7 Warranty card B46 0470 00 62 Microphone 8 Instruction manual T91 0587 25 TK 890 B62 0970 10 44 Protection bag H25 0194 04 2 37 Polystyrene foamed board H11 0892 04 TK 890 B 39 Carton board 40 Protection bag H13 1066 04 H25 0029 04 TK 890 21 Fuse Blade 05 1537 05 x TK 890 59 Screw set N99 0321 05 TK 890 N99 0365 05 TK 890 B D 2 41 Protection bag H25 2063 04 16 Short plug SP E37 0733 05 22 Insulating cover F29 0472 04 50 Band J61 0307 05 36 Polystyrene foamed fixture 46 Holder MIC H10 6621 02 J19 1584 05 TK 890 42 Protection bag H25 0103 04 CR 1 TK 890 2 TK 890 3 43 Protection bag 48 Bra
17. NSM al B o m m oja Y 1 1 o x Deo 2 SIS 5 2 asa asa 10 2 D307 MODULATOR 2 458 41 DZO z 2 8 S 1 5 ala um m s v 9305 ojs 5 5 5 PES PES b o o OSC 2SK508NV K52 dio 0313 o 5 44 5 5 Om A 5 3 Cul D201 DA soe ome a M E 1 2 nyo 28 4226 R24 5 1 9 Wy 015 TX PRE DRIVE BIAS as 9 1 564 1 515 4 36 EA R216 NTS m d Sao E 0 mw 432 L x 15mV o D201 ELI 9 oh of 2 ol A 5 ol Det s DA204K d 21 13 2sc4116 GR 285 oT 12 cade d FIRE Oo ol OY a 7 8T 1 2 2 9 22 C333 1308 e C356 R339 orice m 5 d o o 5 a 2 1 e e 1F a a Y 815 875 218 SER e 5 20 5 3 9202 a207 5 gt 5 5 5 5 L 578 55 575 c om
18. C41 C42 C43 Re 1 U NO 330 10 1 NO NO NO NO NO NO te 953 E 5 57 5620 10 890 8 10035 10 35 10 35 100u25 4e 5 5p 5 NO ee EEL E RB 21 86 ode No 6 43 r ts lx 522 eso ren 2 10u35 10035 10 35 100025 5 4 5p NO NO NO NO L101 12 IF SwITcH CES 342252 335 2 oTe 258 6 7p 22 20 100 25 22020 0 1 0 820 10 10 820 82 5 RU d aa i FS oT 7 0 ciato a nias 815 R144 22 51 5 20 12 1 114dBm p102 22 it C158 0105 em 100 AA 8 8 TA mS 0998 22K a 220 1 8k 77 427144504 X57 5620 XX A 3 z 2223 5 16 E C328 C329 C331 CN101 TEE E 3 XF102 2 R Y Sila C153 R145 USE FOR L101 L102 L103 1104 L107 L108 1109 1110 1310 L313 C103 C106 C107 26 C132 C210 C219 C327 M 15 C110 120 59 gt 7 2 Tp 3p 3p 1 a 0 R136 al 7 8 2 6p 5 NS ema 1106 12 eot 235
19. 3 CH SIG 3 1 K K2 TC301 CH SIG 11 1 K3 PTT 4 CH SIG 8 0V or less CH S CH S 5 CH S CH S 6 CH SIG CH SIG PTT ON Item Condition TK 890 B H B ADJUSTMENT Measurement Adjustment Test equipment Unit Terminal Parts Method Specifications Remarks 4 Transmit frequency 1 CH SIG 1 1 Select in tune mode ON Power meter f counter Rear ANT PF3 key PF4 key CH 1 frequency 70Hz TK 890 B K type BPF bandwidth 450 470MHz Default lt gt 470 490MHz Revised Channel allocation and frequency of test mode L101 L104 bandwidth is 20 2 The bandwidth be revised to the following depending on your operating frequency Default Revised Low CH SIG 2 1 450 1MHz CH SIG 7 1 470 1 Center CH SIG 1 1 460 1MHz CH SIG 8 1 480 1 High CH SIG 3 1 469 9MHz CH SIG 9 1 489 1 TK 890 B K2 type bandwidth 480 500MHz Default lt gt 492 512MHz Revised Channel allocation and frequency of test mode Default Revised Low CH SIG 2 1 480 1MHz CH SIG 7 1 492 1MHz Center CH SIG 1 1 490 1MHz CH SIG 8 1 502 1MHz High TK 890 B K3 type CH SIG 3 1 499 9MHz CH SIG 9 1 511 9MHz bandwidth 410 430MHz Default
20. 8657 0 AFO SW a D504 K EI O2CZ5 6 X 9523 DTC114TU DTC114TU 1 9544 VOLTAGE 114 REFERENCE A NJM4558M sen E RST 14 5C LPF PSC AT AT oT o cs elele 10 0 of ol cl i 2525 DTC144EUA zeit 2 1 MCI CN202 CN502 18 2808 SHIFT DEI 10512 M62364FP Lu REGISTER AC re i 4 TV is BUFFER AMP 19516 BU4094BCF RSI 1 508 DE EMPHASIS R638 DTA114TUA BC2 i 5 05 04 2 Es m sau C624 22k BC3 8 0 5 N DET 2 1000 4 s 0 E RF INPUT C688 9 100 m 4 5 2 5619 0517 RXD2 x lt Q KEY 474 0 R520 LIMIT BUFFER AMP pim 44 330k 9 1 m RF INPUT 0 5 L SHIFT REGISTER I 00 680mV 2 R517 E ose 16509 5 0 522 2 47dBm 8 225 E s 1 8 8 14 10 SB STD MOD 0 94Vp p O 1u MB 12512 C642 R679 C641 AMD D A CONVERTER BUFFER i BUFFER Olu 3 3k 0 14 C626 1 16 cP D503 H EP SURGE UL ABSORPTION NC M ee eee DTMF ENCODER 5 2 L 1 4 IC515 B TDA8561Q m AUDIO POWER AMP BU4066BCF E 2528
21. 1 filter XF102 NARROW CF104 CF102 filter 0 6 CONTROL UNIT DISPLAY UNIT LO GND GND 18 10524 12524 1 1 2 3 1C504 2 2 1 2 2 2 15 1 512 OE ENP eii 518 BUFF 1 2 1 i 10522 1 7 AFPA 9 9 GND IF 1 rt I Fig 6 Double balanced mixer Fig 5 Receiver circuit 27 TK 890 B H B CIRCUIT DESCRIPTION 28 3 Squelch Circuit The output from 101 enters FM IC again then passed through a band pass filter The noise component output from 101 is amplified by 0109 and rectified by D103 to produce a DC voltage corresponding to the nose level The DC voltage is sent to the analog port of the CPU IC516 pin 27 And IC101 output a DC voltage RSSI corre sponding to the input of the IF amplifier The CPU reads the RSSI signal via pin 26 IC101 determines whether to output sounds from the speaker by comparing the input voltage of pin 27 with the present value Only during scan the RSSI DC voltage is used together with the noise wave detection pin s DC voltage pin 27 50 voltage RSSI voltage SQ close Preset value SQ open ER Preset value ANT input level ANT input level Fig 7 Squelch and RSSI voltage vs ANT input level 4 RX BPF L101 L104 The signal s
22. TK 890 B H B PARTS LIST TX RX UNIT X57 5620 XX TK 890 B Desti nation Desti Address Parts No Description I nation Address 2 Description CK73GB1H K 0 CK73GB1E22 0 022UF 2 0PF CK73FB1C33 033UF K CK73GB1H10 92 0560 05 OUF K PF C C3 C CC73GCH1H CC73GCH CC73GCH1H CK73FB1E CK73GB1H OOO CK73GB1 CK73GB1 CK73GB1 CK73GB1 CC73GCH CC73GCH 92 0044 CK73GB1 CK73GB1 CK73GB1 CK73FB1E CK73GB1H CC73GCH CC73GCH 92 0008 o CK73GB1H471 CK73GB1H102 CK73GB1H471 92 0044 05 CK73GB1H471 C3 CK73GB1H102 CK73FB1 CK73GB1H103 CC73FCH1H CK73GB1H471 0065 BO Cy Cy C3 o CC73GC CK73GB1H102 CK73GB1H103 CK73GB CK73FB1E104K CK73GB1H102 C349 CK73GB1H103 350 351 CK73FB1E104K 350 351 92 0633 05 352 354 90 4016 05 7 355 357 92 0001 05 0358 359 C92 1341 05 C360 90 4016 05 C36 0 5 CK73GB1H103K C363 92 0514 0 C363 EDENE CK7
23. d Pil 0 5 47 ol 555 9 Cil a 2 21 Uso 5 ho m ab 926 959 1 o PES 1 1 1 10 isvase USST o t 50 A osx Meo ssf ath ast gt ATE NN ae om 520 nes a ado J J hb 1 5 216 m oT ale 275 Ll ole E T oS 5 1 7 5 15 57 58 88 259 2 QN Oo m 4 O 1 5 3 D307 MODULATOR 2 e cM 929 54 8 a I SW x x x e 2 0305 m AMP nr T S E 515 4 5 P 2SK508NV K52 bm Q318 TX PRE DRIVE BIAS 1 off en OSC a 25C4226 CH24 4 o os esa D6 HSM88AS 1 R328 4 2 2 5 HSM88AS N ale 44 R216 D201 _ 14 Or 2 oye LECTED WAVE 1 21200 25 Tow ont ES o 5 DA204K Hr n ot REF 0 73 l 680 amo 22 RECTIFICATION 1 amp c Ost a 042 rec 77 OF sy OTS Tux 9 FORWARD WAVE ales Q302 ofS 212 ale S OT 0 To C346 du 8 x RECTIFICATION i 2SC4116
24. RK73GB1J563J D504 02 25 6 ZENER DIODE R92 0670 05 D505 55355 DE RK73GB1J472J 7 0506 5530 DE RK73GB1J473J D507 02CZ15 X Y ER DIODE RK73GB1J333J D508 59355 DIODE RK73GB1J104J D511 5930 DE R92 0670 05 D512 55355 R92 1252 05 D513 517 DA204U R92 0670 05 D519 DA204U RK73GB1J683J D521 DA204U RK73GB1J473J D523 524 DA204U RK73GB1J472J D526 527 DA204U RK73GB1J473J D528 529 155355 RK73GB1J472J C101 TA31136FN IC RK73GB1J332J i C201 BU4094BCF FT REGISTER RK73GB1J104J C202 JM78L05U R92 0670 C203 AN8009M RK73GB1J C301 SA7025DK R92 1252 C501 4013 R92 1252 C502 JM4558 RK73GB1J 5 C503 78085 R92 1252 TC35453F 0 PROCESSOR RK73GB1J 4558 F IDC RK73GB1J L78LRO5B FA RK73GB1J JM4558 ER BUFFER AMP RK73GB1J 0331720 R92 0670 4558 UMMING AMP LPF RK73GB CD3312CT DTMF ENCODER RK73GB 62364 D A CONVERTER RK73GB JM4558 LPF SUMMING AMP RK73GB AT24C64N10S127 EEPROM Address N Parts No Description PARTS LIST Desti nation Address N TK 890 B H B TX RX UNIT X57 5620 13 TK 890H B Parts No KCH 10 DISPLAY UNIT X54 3190 20 KCH 10 Description Desti nation BU4066BCF 784214GC0518EU BU4094BCF 4558 29 020 90
25. 2 q NOISE DTC144EUA Q202 207 2581132 0 R 12401 AF EBED Q11 DTC144EUA gle 946 BUE ds my al DAN235K mo dT 77 0105 106 Q203 206 311 312 DTCI14EUA 5 _ i SER 22 5 ose 24 575 5 M57788H 32 o p SWITCH goa aSa 7 Dc SW Q205 28C2954 5 OTS m 7 1 7 1 302 2SC4116 GR x Q303 304 25 3722 5 113 E E po rm a E 4 PCBOARDVIEW T K 890H B 1 9 EM __ pL alli NS UTN a lt TK 890 B H TK 890 B H BLOCK DIAGRAM TX RX UNIT XBT 562X 4X A 3 MS FINAL UNIT 57 562 48 C 3 FINAL UNIT X45 3570 10 C 3 189214 f as gt 2sciono WE I ONES Scr Q305 2 K52 i D308 azo 9204 9205 5301 304 15V282 x D
26. 575 EL 7 Tb een dai 330k x57 5620 10 TK 890 B 179 1530 05 10n 15n 179 1533 05 15 15n 18n 22n 1 Ou 1 Ou gt 5 Tale rs m 470 mM A 57 5 22k IN OUT IN bur 1 0u 1 Ou 3p 7 102 2 25 V E E 05 12 12n 18n 18n Ou 1 5 6 2700 0 0101 3 2159 5 52 20 7 ers Lm Q109 o 57 5620 11 890 21178 1531 05 10n 15n 179 1534 n 55 LE 1 5 9 3p 6 6 10 22 o m ot be x 5 859 284 s asa LESTIE 28C4617 S s EET x57 5620 12 TK s90 B 179 1532 05 15 18n 179 1535 05 18n 18n 22n n ayo g 2 1 A A ed 228 amo SQL E M E 219 275 102 CF104 LES 5 8108 R331 R332 R333 2 21 UT IN OUT ie USE FOR C333 335 7 C338 339 40 C341 C342 C344 C346 C348 C349 C350 C351 6 C382 R108 R164 R312 R313 ME E 28 asa 7 Sse 4 aN 0 9 0105 of2 F ELA j NOISE 88 0105 106 m dr 10p 10 4e 0 047 150 2 10k iso 220 180 e WIDE 23 Tm gt mS O DETCTOR 2 m m BJ K 6 5p 27 18 15 aya DAN235K DAN235
27. DO NOT transmit until all RF connectors are secure and any open connectors are properly terminated e SHUT OFF this equipment when near electrical blasting caps or while in an explosive atmosphere All equipment should be properly grounded before power up for safe operation This equipment should be serviced by only qualified tech nicians TK 890 B H B GENERAL PRE INSTALLATION CONSIDERATIONS 1 UNPACKING Unpack the radio from its shipping container and check for accessory items If any item is missing please contact KENWOOD immediately 2 LICENSING REQUIREMENTS Federal regulations require a station license for each ra dio installation mobile or base be obtained by the equip ment owner The licensee is responsible for ensuring trans mitter power frequency and deviation are within the limits permitted by the station license Transmitter adjustments may be performed only by a li censed technician holding an FCC first second or general class commercial radiotelephone operator s license There no license required to install or operate the radio 3 PRE INSTALLATION CHECKOUT 3 1 Introduction Each radio is adjusted and tested before shipment How ever it is recommended that receiver and transmitter opera tion be checked for proper operation before installation 3 2 Testing The radio should be tested complete with all cabling and accessories as they will be connected in the final installa tion
28. TX LED Red R Reset BUSY LED Green Encoder data GND GRA Key L H OFF Backlight Dimmer GR v Key L ON H OFF ne Backlight Dimmer Encoder interrupt ol Not used Serial interface test SCN key Ful L Programable AUX output B N key Full Programable AUX output A PF9 key Full Programable AUX input B PF4 key Programable AUX input A key HEAD 1 2 jumper HEAD 1 Jumper installed HEAD 2 Jumper removed MIC backlight ON OFF L ON H OFF Not used DTMF MIC key pad data input Panel type Jumpe Basic panel Jumper installed Full panel Jumper removed MIC hook L ON H OFF GND LCD drive common 0 3 LCD drive bias LCD drive power suply GND LCD drive segment 0 35 LCD drive segment 36 Basi DOT matrix driver CE Full AF volume Shift Register Output Shift register 1 on control unit 523 Action LCD drive segment 37 Basi GE STAR Scrambler PTO DOT matrix driver CL Full Scrambler BC4 LCD drive segment 38 Basi Scrambler BC3 DOT matrix driver DI Full Scrambler BC2 LCD drive segment 39 Basi Scrambler AC DOT matrix driver DO Full Scrambler BC1 EE
29. 45 DTC144EUA EXPANDER EXPANDER BT osi le 16518 EC2 ES2 1 1802 AT29CO20 90T 10585 1 I 25 LCT38T2M ESI l3 LATCH SPLASH UE sb RSL m IC5210 2 2 1 502 2 2 DEC TT TEM AT2ACGANIOSI2T NJM4558M NJM4558M NJM455B8M 3 3 5 lt 8 E 8 E 1 m BUFF LPF LPF gt EEPROM lt 12616 3 SOMHz 9520 DTD114 HR ta 12MHz DEO IC5210 2 s NJM4558M AM2 gt l sw 9522 16506 2 C4215 Y N 10512 1 1842146C k BEU M62364FF zm DE KREE RESET AVR ee m KCH 10 MB 4 BUFF 11 1 110515 IL 1 EUN V 1c503 i 16509 1 2 ICS1B 1 2 ESI 1 5 MC33172D NJM4SS8M SW AlZAQ po a ES 5 D SUB AVR BUFF BUFF lg AF PA 1 yes a 5 283808 5 gt 5 eae eee in 5 1 0543 Sw 3 Tests B4 poe BUFF l4068BCF D507 AVR wW 620215 10811 MB 2 ane cB DTCTMEUA DTATMEUA 7 DT disc S x i i POR sw sw sw DTC1148UA BZ 1 2001 F vou DTCii4YUA 573 4 Geet 4 18 DTAL14RUA 1 16501 ET ae amp DT CK EN 8 0531 DTATMTUA TC4013
30. 470P 6 0 470PF 4 0PF 330UF 5PF 470PF 8PF PIN SOCKET RELAY TERMINAL PROCESSED LEAD WIRE LEAD WIRE WITH CONNECTOR LEAD WIRE WITH CONNECTOR SHIELDING PLATE LPF HOKE COIL R CORE COIL R CORE COIL R CORE COIL R CORE COIL 4K J 00K 3 9 0 OK 82 00 OK 2 R J R BK J R 2K J UMPER REST 0 RIMMING POT 22K RELAY DIODE DIODE DIODE ZENER DIODE ZENER DIODE DIODE C RF POWER MODULE RANSISTOR ALL FIXED INDUCTOR 100NH 10W 10W 5 10W 10W 2502531 2SA1162 Y D1624 S 2502712 C144EUA 9 048 47115 RANSISTOR OR CGO CX CI CAD AG OOO c UNIT X57 5 C9 CO CO C CD DOO C C0 c Cc TATATATA T 620 13 TK 890H B TK 890 B H B PARTS LIST TX RX UNIT X57 5620 13 TK 890H B Desti nation C92 0003 0 0 470 25WV C330 GB1H471K CK73GB1H10 PL C331 GCH1H120J CC73GCH PC J C332 GB1H471K CK73GB C333 CH1HO60D CK73GB 334 B1H471K Desti nation Address Parts No Descr
31. C73FCH1H751J C73GCH1H180J K73GB1H122K C73GCH1H070D C73GCH1H181J C701 92 0566 0 703 705 CK73FB1E104K C70 92 0507 05 C70 CC73GCH1H560J C70 CK73FB1E104K C3 C93 C3 0c CK73GB1H332K CC73GCH1H180J CK73GB1H102K 92 0633 05 CK73GB1E103K C709 CC73GCH1H560J C710 CK73GB1E123K 0 012 C711 CC73GCH1H101J 100PF J C712 CK73GB1E473J 0 047UF J 301 303 C05 0393 05 IC TRIMMER CAP 8PF C C CD CD C2 I 73GB1H K73FB1E104K 92 0507 05 73GB1H102K 73GB1H562K 10 E04 0154 05 OCKE 10 E40 5538 05 SSY 10 E04 0154 05 OCKE 20 E40 5752 05 SSY 20 E40 5978 05 FLAT CABLE CONNECTOR 73GB1H102K 73GB1H562K 92 0507 05 K73GB1H102K 73GB1H332J 20 E04 0154 05 OCKE 50 0 5703 05 ASSY 50 0 5661 05 ASSY SOCKET 50 0 5960 05 ASSY 50 0 5066 05 ASSY Cs CK73GB1H272J CK73FB1E104K CK73GB1H272J 92 1341 05 92 0040 05 0 5751 05 PIN ASSY 40 5701 05 PIN ASSY E37 0707 05 LEAD WIRE WITH CONNECTOR 3 F10 2278 04 SHIELDING PLATE MCF F53 0128 05 FUSE 0 5 F53 0108 05 FUSE 1 8 CK73GB1H102K CK73GB1H272J CK73GB1E103K L72 0916 05 CERAMIC FILTER 455KH E L72 0939 05 CERAMIC FILTER 455KH H C C L72 0916 05 CERAMIC FILTER 455KH C B CK73FB1E104K CK73GB1H272J
32. Emergency Call ID The ID number when you select MSK in the above emer gency type 39 MSK PTT ID Side Tone A tone to notify the voice transmission is allowed after sending the MSK PTT ID Connect ID Fleet Own ID Own Configure the Fleet ID of the MSK PTT ID Fleet Sync Format Data TX Mod Delay Delay time of transmitting the MSK ID after the trans ceiver enters the transmission mode 40 Power On Text To display the Power on text for approximately 2 seconds when the transceiver is turned on 41 Data Programming PC Mode 41 1 Preparation and Connection TK 890 transceiver is programmed by using a personal computer programming interface cable KPG 43 and pro gramming software KPG 44D The programming software can be used with an IBM PC or compatible machine Figure 1 shows the setup for pro gramming Firmware programming mode Single band only 41 2 Programming Interface Cable KPG 43 Description The KPG 43 is required to interface TK 890 to the com puter It has a circuit in its D sub 25 pin connector case that converts RS 232C logic level to TTL level KPG 43 is used to connect between TK 890 microphone connector and RS 232C serial port of computer 41 3 Programming Software KPG 44D Description KPG 44D is the programming software for TK 890 sup plied on a 3 5 floppy disk This software runs under MS DOS version 3 1 or later on an IBM PC XT AT or PS2 or compa
33. N Note Since the TK 890 uses a BTL audio amplifier do not ground the speaker output pin TK 890 B H B INSTALLATION 6 1 Connection for the KES 4 with the TK 890 When taking the AF output from the accessory connector 9 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 11 03 0002 1 Remove the connector with jumper from the external speaker connector on the rear panel of the radio Fig 8 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 3 and 6 using the extracting tool Removing the jumper lead Fig 8 2 1 Insert the extracting tool 11 03 0002 into the con nector 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 extract ing tool in the direction b 3 Reinsert the terminal with the black and white stripe lead into hole number 2 and the terminal with the black lead into hole number 6 Fig 8 3 4 Attach the connector to the external speaker connector on the radio a b Square type plug Extracting tool 2 Jumper lead E37 0733 05 11 03 0002 Crimp terminal Fig 8 1 Fig 8 2 gt
34. TK 890 B H B ADJUSTMENT Adjustment Points TK 890 B TX RX UNIT X57 562 A 3 A 9 c CONTROL UNIT X57 562 B 3 FINAL UNIT X57 562 C 3 3 RH CN201 1010 CN102 T 1113 CV L112 O cno 4 L111 LA L120 L11 L114 CN202 CN104 o cNso1d L CN508 507 VR501 MIC SENS TK 890H B Po 203 1 TX RX UNIT 57 562 c CONTROL UNIT X57 562 B 3 V FIANL UNIT X45 357 wer module L HCN201 1010 luos CN102 1113 Vr 5 NI O cno 2 N il 120 CN202 L CN508 CN507 R501 MIC SENS 69 TK 890 B H B ADJUSTMENT Common Section Measurement Adjustment Item Condition Test equipment Specificati R k Unit Terminal Parts Method peciications Remarks 1 Frequency Frequency range MHz list 450 490 TK 890 B 890H B 2 480 512 TK 890 B 3 403 430 TK 890 B Adjustment frequency MHz Signalling K K2 K3 CH No Encode tone Decode tone TX RX TX RX TX RX 470 000 460 100 496 000 490 100 416 500 420 100 450 000 450 100 480 000 480 100 403 000 410 100 490 000 469 900 512 000 499 900 430 000 429 900 460 000 460 000 490 000 490 000 420 000 420 000 460 200 460 200 490 200 490 200 420 200 420 200 4
35. Timed power off switch Summing amplifier LPF Voltage reference Protection of high voltage encoder D A converter Reverse current prevention LPF Summing amplifier Surge absorption EEPROM Analog switch D505 506 Voltage reference DC switch CPU D507 Voltage reference Shift register Buffer amplifier D508 DCswitch DC switch Flash ROM NOR gate Buffer amplifier Amplifier D513 517 Reverse current prevention Surge absorption D519 Surge absorption Audio power amplifier Shift register D521 D523 524 Surge absorption Surge absorption Buffer amplifier De emphasis DTMF decoder Compander amplifier DC switch On when 18V or more On when the power switch on D526 527 Surge absorption D528 529 Reverse current prevention Final Unit X57 5620 XX C 3 10 TK 890 B K Use Function 11 TK 890 B K2 12 TK 890 B Operation Condition Q505 MIC mute DC amplifier APC controller APC controller Q506 507 Timed power off switch DC switch Off when P A Off when EXT SP APC comparator DC switch APC controller Off when INT SP itch Off when RX busy Pretection of reverse connection Surge absorption switch On when AF mute ANT switch itch itch On when on signalling code On when push the power
36. wm N a DC SW i INA N E aic 1 t9 2 ela gt a Ia a gt s a 2 LI SZ 4 IC3 JAN ING JAN i a m AT24C64N10SI27 A j e m RST 777 ol gym l O 1 2 2 L 1d JJ 3 Q6 1 TRD I5 TRE DTC144EU DTC144EU 2 P 2 8 IGN a i TRD IGN 88 10 SB TRD d RS1 013 TRANSISTOR 1 DTC114TU DTC114TU RS1 13 54V 29 i RS2 POW AVR Q12 13 34V Em DTC114TU DTC114TU RSA i NJM78LO5UA 1 esi 7 L l 1 POW Lll c 1 SISTOR 510 513 m e l He 2 51 MON obs SCN RESET IC 859 858 CN2 z 24 DC SWITCH 1 4 19MHz 1 IC2 1 RS1 RH5VL42C 20 4 2 I RH5VL42C R16 D25 1 ake IN OUT H 4 10k MA2S111 PF6 519 pas i 10k 25111 IC4 GND 1 78064GCA458EU x eee DC SWITCH Is ICA X54 3190 20 B73 Sx YS 78064GCA458EU CPU a 1 Wi mU mU Nelo olo RESET 5 CPU LCD DRIVER 1 1 14 98V 1
37. 515 4 4 589 139 n 544744 9 7 8 14 i aq Ea 7 SE 24 6 7 e H 2 1 2 28 e 860 i eus T 29 e lt n 2 Ff m NS mre e 2 5 a 105 3 Sa h 514 8 f i C606 T Ww LE owt e 19 E 79 6 e t 5 3 56 2 9 1 n 62 0324 m M 4 8 9 EB 7 2 6 20 R587 8 CN50 e 92 Za eum 8 RG 75 2 Lc 8 07 29 1 p APs R539 5 2 pi 6557 a g b 5 Se S mis HRS all OE me 9 ta E 1 lal E EEE 1 T i al R541 11110 R719 7 4 E m Jem ii Ex xi ZI E T i E 5 i a PT e T 1 9 a 1 Sat i To qu en 0526 PEE 30259 E 1 8589 5538 mia I 6535 BASNE D503 gud Address Ref No Address Ref No Address Ref No Address Ref No Address Ref No Address Ref No Address Ref No Address Ref No Address Ref No 16 2568 Address Ref No Address Ref No Address Ref No
38. 890 11 TK 890 B K2 12 TK 890 B 13 TK 890H B Foil side view 0569 B 2 m i ica T e 5 1 DEE DAT 19 T Ui gs pe a lg m P waj gt YU Z 3 um 71 5 Lot Pu n ell zel 16 6599 ER Mi 4 29 Ba 3 i D526 s a a l E E E 98 2 ele ele 5 io g BE 5 1 t 1 mo a b Is I eal 8 e Tmr i e OU re 57 9 E697 Oh ES es 409000000 2501 8699 Component side Pattern 1 Pattern 2 Address Ref Address Ref Address Ref Address Ref Address Ref No Address Ref Address Ref Address Ref No Address Ref No 50 60 50 508 90 517 6N Q505 7 0512 60 509 8R 519 4G Q506 3A Q513 5N Q529 8M Q538 2K D501 4D D507 510 8 523 7H Q507 3A Q518 3C Q533 0539 4 D502 4D D508 Foil side CONTROL UNIT 57 5620 B 3 10 TK 890 B 11 TK 890 B K2 12 890 13 TK 890H B Component side view Foil side PC BOARD VIEW r m 20
39. APC comparator APC controller TX RX switch On when RX TX RX switch ON when RX DC switch Forward wave rectification Reflected wave rectification Combiner Surge absorption Voltage reference Surge absorption Protect of reverse connection Use Function Operation Condition FM IC 2 Oscillator 73 505 2 Mixer output 4 Vcc 5 IF input 455kHz 7 Noise filter output 8 9 Noise filter input DET output AF OUT 10 Quad input 12 RSSI output 16 Input 73 05MHz Shift register Input 8V Output 5V 36 DESCRIPTION OF COMPONENTS Control Unit 57 5620 B 3 10 TK 890 B K 12 TK 890 B K3 Use Function 11 TK 890 B K2 13 TK 890H B K Operation Condition TK 890 B H B Use Function Operation Condition Beat shift switch On when beat shift Serial data inverter Serial data transmitter D FF LPF 0526 527 when compander AVR Input SB Output 8V Q528 529 On when compander off Audio processor HPF IDC 0530 532 0533 540 On when compander on On when output port on AVR Input 8V Output 5V Q541 On when timed power off Limiter Buffer amplifier Buffer amplifier 542 543 DC swi IGN switch
40. OST 21 ER 32 30 1 2 Full Function Panel 0 6 7 KENWOOD e SCAN SP 8 osT 19 9 8 17 15 16 18 lt Tx BUSY 10 11 12 13 14 26 29 31 20 21 22 23 24 25 27 28 30 32 1 POWER Switch Press to turn the power ON and OFF 2 TX BUSY Indicator The TX Indicator Red LED shows that you are transmit ting TK 890 B H B The BUSY Indicator Green LED shows that the channel is in use 3 Microphone Connector 4 Volume Knob To increase the volume level turn clockwise CW To decrease the volume level turn counterclockwise CCW 5 UP DOWN Knob The function of this Knob can be programmed by the FPU Function Description Note Channel UP DOWN Channel selector To increase he channel turn CW Default setting To decrease the channel turn CCW Group UP DOWN Group selector To increase the group turn CW To decrease the group turn CCW 6 GR UP Key 7 GR DW Key 8 MON Key 9 SCN Key 10 18 PF1 9 Key T
41. POW in tune mode PTT ON 1 CH SIG 1 1 Select XXX in tune mode ON 1 CH SIG 1 1 Select XXX in tune mode PIT ON 1 CH SIG 1 1 Select in tune mode ON Power meter Ammeter Maximum clockwise 105W or more 100W adj 28 or less PF3 key PF4 key 100W Check 100W 5W 75W adj 75WX1W 28A or less 40W 1W Maximum clockwise 42W or less 40W adj 40W 1W 12A or less PF3 key PF4 key check 40W 1W 5W adj 5W1 Item ADJUSTMENT Measurement TK 890 B H B Adjustment Condition Test equipment Unit Terminal Unit Parts Method Specifications Remarks 9 Maximum deviation Wide Narrow 1 Select MXDV_XXX in tune mode ON Deviation meter filter HPF OFF LPF 15kHz De emphasis OFF AG 1kHz 50mV 2 Select __C MXDV XXX in tune mode PIT 3 Select H MXDV XXX in tune mode PIT ON 1 Up down knob Set the narrow nL MXDV XXX in tune mode PIT ON 2 Select n C MXDV XXX in tune mode PIT ON 3 Select n H MXDV XXX in tune mode PIT Power meter Deviation meter AF VIVM AG Oscilloscope 10 MIC sensitivity Wide only 1 CH SIG 1 1 ON Deviation meter filter HPF OFF LPF 15kHz De emphasis OF
42. SYSTEM Scarier WAN 198 18 bowen BPP amp Oe NS MCF L sTR 109 DATA 1 0 I SRR 8105 106 2804617 5 WIDE praifgeua prelieva I I I 1 1 1 1 I I 1 I t i 5 sw x301 1301 9315 Di DSASAICEK E PROTECTOR asc212 1 st DC13 4V gt TCXO PLL 1C k LPF PC THE 92 I I I I I i 1 I I I I I I 1 I I CFi03 CFi01 Tow 5c sw w I 939 sw 250411 tcn gt N sw AER 2907 oc SE 104 CF102 28B1132 GR UA l14EUA D107 T Wow ex lune NARROW 8 1 sc lt AVR 4 LUPPLE I I lege MB 1 1 I I DET 1 7 t 1 1 1 1
43. 0204 and 0205 and is output from the CN203 The signal from Q315 passes through the low pass filter and is applied to IC301 which is PLL frequency synthesizer with VCXO X301 The VCXO of which the frequency stabil ity is within 2 0ppm temperature range of 30 to 60 C generates 16 8MHz The PLL IC consists of three modulus prescaler fractional divider reference divider digital phase comparator with charge pump output This PLL IC is Fractional N type synthesizer and performs is 40 or 50kHz reference signal which is eighth of the chan nel step b or 6 25kHz The input signal from the pins 5 and 8 of the PLL IC is divided down to the 40 or 50kHz and com pared at digital phase comparator The pulsed output signal of the digital phase comparator is applied to the charge pump and transformed into DC sig nal The DC signal from the pin 14 of the PLL IC passes through the active low pass filter loop filter is applied to the VCO and controls to keep the frequency of the VCO The serial data DT CP EP from the microprocessor 516 is input to the PLL IC And PLL lock condition is al ways monitored by the pin 28 UL of IC516 8CL 8CL 8C 8T Yosis Yost Fig 9 VCO PLL circuit TK 890 B H B CIRCUIT DESCRIPTION 6 Control Circuit The control unit consists of microprocessor IC and its peripheral circuits It controls the TX RX unit and transfers data to and from the control unit The CPU IC516
44. 1 lt ESSI i 0 1 i t t DT EP gt gt ES 5 CK d 0 I i i 0 SB I 1 1 1 1 I 1 250 926215 Y ar Dar T Ps 9509 16508 1 2 sw 144 LIM 2 455 0528 DTATMTUA z 0529 520 DTC144EUA EHA a 0 0 i 1050 0518 2 2 1 52401 2 9516 1 524 2 2 10515 NJM4S5BM NJMASSBM PTCl14TUA 568 35453 DET gt SW HPF PF 4 Sw 1 I 10517 10523 x T T und B 4OBA4BCF BU4OSABCF om d cd x Q512 BZ i 556 EON B8MHz CK osa 92 856 OUTPUT OUTPUT
45. 107 2 0103 314 28C3356 Q3 0 28Vp p 1KHZ60 47dBm E 9105 DTAL44EUA L107 XL108 l l D201 DA204K Q106 108 DTC144EUA 113 E 7 887 107dBm 45 pies SOL D301 306 1SV282 Q107 25 4215 10201 BU4O94BCF 5 6 t IF SWITCH C141 R132 4 RSSI D307 1SV214 0109 25 4617 5 18305 NJIM78LO5UA Ola ola 5 11 11748 813mV 1 1008 25 4226 824 29 8 ome amm 0 01 1 1k cia2 i o2v D308 DANESE OES 2 1C203 ANB009M ay x 8 ju 2S8B1132 Q 1 3 9 XF101 0115 CM 2128 Bias 119 717 one oTa PC 0202 207 esor SA7025DK 6 E P 114 TUREN f 73 OSMHZ C136 5 2 5 7 De sw 2 18 1 0203 206 311 312 DTC 17dBm 1 1112 515 0 01u 0 94 2 16103 5 828 SES 0205 28C2954 4 Q108 Sek IF AMP TA31136FN 5 24 1 302 116 CGR 1 TY 114 WiBEDdS SV Q107 a E mu a 04 34 ECAT NARROW 3 TmV 61113 77 28CA215CY FM IC Um 73 6 1 113 OdBm 4 92V X57 5620 XX C R3 R1O 7 1 5 2 id USE FOR C3 C11 C15 19 24 C28 C30 C39
46. 403 423MHz Revised Channel allocation and frequency of test mode Default Revised Low CH SIG 2 1 410 1MHz CH SIG 7 1 403 1MHz Center CH SIG 1 1 420 1MHz CH SIG 8 1 413 1MHz High CH SIG 3 1 429 9MHz CH SIG 9 1 422 9MHz TK 890H B K type bandwidth 450 470MHz Default lt gt 460 480MHz Revised Channel allocation and frequency of est mode Default Revised Low CH SIG 2 1 450 1MHz CH SIG 7 1 460 1MHz Center CH SIG 1 1 460 1MHz CH SIG 8 1 469 1 MHz High CH SIG 3 1 469 9MHz CH SIG 9 1 479 1MHz 1 CH SIG Center Span 50MHz Scale 5dB div Spectrum analyzer Tracking generator Output 20dBm Note When revising the BPF bandwidth the sensitivity and the point of closing and opening the squelch in accordance with adjusting procedures 16 17 and 18 1 Spectrum analyzer Tracking generator TX RX 101 A 3 Rear A 3 111 A rom the default settings ensure TX RX 1101 Adjust waveform 04 to figure at below REF 10 0dBm ATT 10dB 2dB MARKER 10 00MHz 0 944 RBW 300kHz VBW 100kHz DL 12 024 SWP 50ms CENTER 460 0MHz K 490 0MHz K2 420 0MHz K3 SPAN 50 0MHz TK 890 B H B Condition Me ADJUSTMENT asurement Adjustmen
47. ATOk REVERSE CURRENT PREVENTION 4 rh 10511 STD MOD PCD3312CT 3 17 2 10 4 0 lu STD MOD 20mV pe 4 706 3 470k y 1 R722 A4 C501 Q512 l S DTC144EUA N MUTING SW 9504 C694 22010 917 8 is E COMPANDER M eto gt le 9514 0520 vR501 MUTING SWITCH AMPLIFIER 5k 16510 10513 ree q DTAL44TKA DTD114EK E 5 2 T 4 6 547 a NJM4A858M 9 4558 550 N a D 5 n 5 men ago SW M RA IC526 2 B 5 my 20470 ON m 1 Zon 125 0 0220 alam 0510 550 o 5 D C oo D 2 ANALOG DTC144EUA O 2 CN5OT TRD 7 ale 1 ix co 6 N N se X 9 5 5 816 SWI A 1 gt lt lt PS 112 3 o a m sa 3 5 e
48. B H B OPERATING FEATURES Description Note Lights when AUXC is pressed The PF Port that is programmed with AUX is ON Lights when OST is pressed 28 OST Operator Selectable Tone is enabled 29 Y f the selected group is in the Group multi group scan sequence Add Status the indicator appears at the group 30 f the selected channel is in the Channel scan sequence the indicator Add Status appears at the channel 31 Displays the channel status BASIC P1 Lights when a PRIORITY 1 FUNCTION channel is shown on the display PANEL 7 P2 Lights when a PRIORITY 2 SEGMENT channel is shown on the display display PP Lights when a PRIORITY 1 FULL amp 2 channel is shown on the display FUNCTION HC Lights when a Home PANEL Channel is selected by HC key DOT TA Lights when the RADIO is MATRIX S in Talk Around mode display RCL Lights when recall channel is selected by RCL key R1 R15 Lights when remote channel is selected by PF port 32 Displays the operating Group BASIC Channel number Channel display FUNCTION or name Alphanumeric display ANEL 13 programmed by the FPU Also SEGMENT displays the status some d isplay features FULL FUNCTION PANEL DOT 1 display 1 3 Microphone Press PTT Push To Talk to transmit then speak into the microphone 2 Receive 1 To tur
49. CD TX RX UNIT X57 5620 XX 10 TK 890 B 11 TK 890 B K2 12 TK 890 B CK73GB1H471K 92 0721 05 92 0725 05 92 0721 05 CK73FB1H472K 09 PQ C 02 CD CD gt 03 CD CD 00 C 00 gt CK73GB1H471K CK73FB1H472K 92 0725 05 CK73GB1H471K 92 0724 05 gt 92 0725 05 CK73FB1H472K 93 0552 05 92 0725 05 92 0720 05 C2 rn rn gt 93 0553 05 CK73GB1H471K 93 0553 05 93 0554 05 93 0555 05 BEA CK73GB1H471K CK73FB1H471K 93 0603 05 93 0554 05 93 0556 05 PO CK73GB1H471K 93 0553 05 93 0555 05 93 0557 05 93 0555 05 CC73FCH1H030C C93 0554 0 C93 0555 0 C93 0556 0 CK73GB BOX OO 99 C2 C 73FB1 C73FCH C73FCH C73FCH1H K73FB1 c0 OO CK73GB 93 0556 05 93 0555 05 93 0557 05 92 0760 05 AQ rn Co Co C
50. Pattern 4 Foil side 8 Connect 1 and 4 DTA144EUA 25 3722 2581132 FMC2 DTA114EUA DTC114EUA 2SD2399 25 508 L78LR05B FA AT24C64N 105127 PCD3312CT NJ M78LO5UA 78085 DTC114TU 25 4116 25 2873 FMW1 DTA114TUA DTC144EUA NJ M 4558M RH5VL42C 9 DTC114YUA 2SC4215 2SC2954 DTA144TKA DTC144EU 25 4226 25 3357 DTC363EK 25 4617 2501624 DTD114EK 3 2 4 25 1162 D 25 2712 5 N 1 10 25C3356 C GND 8009 MC33172D TDA8561Q TC7S02F LC73872M BU4066BCF BU4094BCF TA31136FN 29 020 90 M 68769H M 68769L 8 11 6 14 5 1 1 12 78064GCA458EU 784214GC0518EU 13 14 E a c TK 890 H B PC BOARD VIEW 1 JL TX RX UNIT X57 5620 XX 3 10 890 11 TK 890 B K2 12 890 13 TK 890H B Component side view 2 72 0569 42 5 203 1204 0 N m S
51. R715 73GB1J474J JM4558 78085 C35453F JM4558 L78LRO5B LPF R AUDIO PROCESSOR HPF IDC AVR R716 RK73GB1J104J R717 RK73GB1J102J R718 RK73GB1J333J R719 RS14DB3D2R2J R720 R92 0670 05 5 0 QOD 65 CO JM4558 331720 JM4558 CD3312CT 62364FP LIMITER BUFFER AMP BUFFER AMP SUMMING AMP LPF DTMF ENCODER D A CONVERTER R721 RK73GB1J393J R722 RK73GB1J184J R723 R92 0670 05 R R R724 73GB1J683J R725 K73GB1J333J C C CD CD C2 JM4558 124 64 105127 U4066BCF 4214GC0518EU U4094BCF UMMING AMP G SWITCH R726 73GB1J122J R727 K73GB1J473J R728 92 0670 05 R729 736 73GB1J472J R740 741 73GB1J103J C3 03 09 REGISTER JM4558M 29 020 90 00H TC7S02F 0 OH JM4558M 0 OH DA85610 R742 R92 0670 05 R744 RK73GB1J104J R746 R92 1252 05 R747 R92 0670 05 R748 R92 1252 05 FFER AMP SH ROM R GATE FFER AMP DIO POWER AMP I I C C2 VR1 R12 6427 05 RIMMING POT BU4094BCF 501 R12 6417 05 ING POT JM4558M LC73872M D DSA3A1 FK DIODE 75501 D2 2278 100 SURGE 2SA1162 Y D3 4 6 DIO D D SHIFT REGISTER BUFFER AMP DE EMPHASIS DTMF DECODER COMPANDER AMP RANSISTOR
52. bandwidth is 20MHz see the table be low Destination Allowable range of Default setti market TK 890 B TK 890H B TK 890 B TK 890 B operation 450 490MHz 450 480MHz 480 512MHz 403 430MHz 450 470 450 470 480 500 410 430 ex When using 470 490MHz TK 890 B 470 480MHz TK 890H B tune L101 and L104 as needed while compar ing with the chart below Refer to Adjustment TK 890 B TK 890H B 10dB 10dB 470 490 470 480 450 470 450 470 7 1 1 1 1 1 1 1 i T 1 N V T 1 1 t x 7 4 Center Span Center Span 470 000MHz 100MHz 470 000MHz 100MHz Fig 8 5 VCO PLL Circuit The VCO of TK 890 consists of three VCO circuits which one oscillates the transmit signal with Q305 and the others do the first local receive signal with two RX VCO RX band range is divided into two range which lower band oscillates the RXL VCO with 306 and higher band does the RXH VCO with Q307 Each oscillators are switched by turning the source line 0308 0309 0310 0311 and 0312 on and off The signal output of the VCO is amplified by the buffer amplifier 0313 and divided into two signals which is amplified by 0314 and the other is done by 0315 The signal from 0314 passes through D308 which is transmit receive switch is amplified by 0201
53. nal speaker is exceeded Therefore use the KES 4 Note Even if the KRK 6DH is modified in this way the au dio output of head 2 cannot be increased To increase the audio output of head 2 of the KRK 8DBH modify radio 2 in the same manner 6 4 Use as public address speaker 1 Remove the short plug from the 9 pin accessory connec tor on the rear of the radio Remove the jumpers as de scribed in Section 5 1 Insert the KES 4 speaker leads into pins 7 and 8 3 If you remove jumper shorting pins 3 and 6 the 20W PA public address voice signal is output from pins 7 and 8 Only when the PA or SP switch is on 4 f you use the radio with pins 3 and 6 shorted the internal speaker is available when the KCH 10 is used The KCH 11 does not contain a speaker M Note Relation ship between accessory connector 9 pins connection and speaker output When pins 3 and 6 are shorted The 3W internal speaker is used KCH 10 only When pins 3 and 6 are open and output is from pins 7 and 8 The 20W external speaker is used Plug 9P 60 Q 7 tw 2 KES 4 n SY Black lead rimp termina x E23 0613 05 Black White lead Fig 11 7 Horn Alert Function The pin of the accessory connector 9 pin on the rear of the transceiver is an open collector and the maxi mum current is 100mA The maximum available current can be increased to 1A by installing a relay 1 Remove the upper half of the case o
54. s SS s POWER MODULE M68769SH D3 DRIVE TX PRE DRIVE Do MELTS R348 33 RF SWITCH FRESE 9201 c210 8888 M68769L Dd 4 Gace L310 R344 33 1316 TST DAN235K 28c4226 R24 U 9205 CN203 1 2 3 4 5 J 11 09 ons ales SS C201 R203 C202 8 Q204 C219 28C2954 L204 1 9 R2 ANT SWITCH xT I n IN 3 R RIPPLE FILTER 0 0 3 0 ets oii E 28C3357 39p i DO 7 D3 eol S CENA 1 C326 26 R327 Osa e C344 wae 29 ot n m 3 E 5 227 Sp 414 15 216 E ole 1 476 8 C360 C369 LK 4 37V 5 ec lt Sex 229 R225 DO ov 555 93 0314 o uer NEN 080 8 73 1000 46 O2dBm 8391 Boge r E 77 1 2 28 3356 55 SEA gl P 5 s l 2SC4116 GR N33 4p Lay e Sse 565 9 10 5 4 2 i eng Stes s S E Q 9 5 sE 8 et e 2321 1301 s D304 0 201 498mV 2 o gz 4 E K ore 2 S 5 3450 4 ti
55. zi ic al 4 in A ente SL R 100 e 2 L 4 NL CE PU me m guum pum En AIN x a E c mu Ge 4 TD 97 rp nin Er T P T Be nae aT 5 ES Component side os o D108 100 Pattern 1 19 0303 10N D307 8 Pattern 2 iam qx in ias oxs o Pattern 4 E 303 30 311 9206 e Foll side 27 e 4 9 Qo a s amp E 8 i D CSS pem 7 1 1 E CF Qi DEEST Inf WT e 01 01 Component side oem om s se oan fow Pattern 1 in 19 ooa eo 0302 0309 ec s 0308 48 Pattern 2 ton oros 203 0308 omo 7 w osm I Pattern 3 10 0304 zc vxo 7 T Pattern 4 isor 100 a7 m 5 26 0305 ox2 sc bus o amp Foil s
56. 03 INNER PACKING CASE R 0 6617 1 POLYSTYRENE FOAMED FIXTURE 1 0815 04 POLYSTYRENE FOAMED BOARD 1 0853 04 POLYSTYRENE FOAMED BOARD 1 0892 04 POLYSTYRENE FOAMED BOARD 2 1410 04 PACKING FIXTURE 2 2 1442 04 PACKING FIXTURE 3 1066 04 CARTON BOARD 25 0103 04 PROTECTION BAG 125 250 0 07 25 0724 04 PROTECTION BAG 300 500 0 07 H25 2063 04 ROTECTION BAG 80 120 0 03 52 1232 12 gt gt gt gt gt gt gt gt gt gt gt 21 8347 04 ARDWARE FIXTURE DC ACC 32 0919 04 BOSS FINAL 61 0307 05 ACSY gt ra c 09 2292 05 HEXAGON HEAD SCREW 33 3006 45 OVAL HEAD MACHINE SCREW 35 3006 46 BINDING HEAD MACHINE SCREW 67 3008 46 PAN HEAD SEMS SCREW W 68 4006 46 PAN HEAD SEMS SCREW A gt gt gt 87 2606 46 BRAZIER HEAD TAPTITE SCREW 87 2612 46 BRAZIER HEAD TAPTITE SCREW 87 3008 46 BRAZIER HEAD TAPTITE SCREW 99 0365 05 SCREW SET ACSY gt gt gt gt gt gt gt gt gt 157 503 53006 55 UNIT X45 3570 10 TK 890H B 157 302 53008 W02 1939 05 m cs T TK 890H B A01 2163 01 CABINET UPPER A01 2164 01 CABINET LOWER A10 1389 01 CHASSIS 42 2455 04 STICKER 4 8 MAX B46 0470 00 WARRANTY C
57. 1000 502 0000 502 1000 413 0000 413 1000 490 0000 489 9000 512 0000 511 9000 423 0000 422 9000 490 0000 489 9000 420 0000 419 9000 470 0000 470 1000 440 0000 439 9000 CO 0 410 011 a Test signalling channel Encode tone Decode tone s None None 100Hz square wave None OT 67 0Hz OT 67 0Hz OT 151 4Hz OT 151 4Hz OT 250 3Hz OT 250 3Hz DOT 023N DOT 023N Single tone 1633Hz 2 tone 321 7 928 1Hz DTMF 9 DTMF 159 MSK alaj AJOJN Panel Tune Mode The transceiver is adjusted in this mode To enter the panel tune mode Press the GR key in the panel test mode In this mode and DOT signalling is decoded but 2tone and signalling is not decoded The adjustment items the frequency and signalling other than the maximum deviation and sensitivity return to the values that were effective for the test frequency chan nel and test signalling channel before entering the panel tune mode The RF High Power adjustment item of only the TK 890H K type can be adjusted by switching the frequency between 460MHz and 475MHz TK 890 B H B ADJUSTMENT Tuning item and display 0 255 Tuning item Basic display Full display Frequency FREQ XXX FREQUENCY RF power POW XXX RF power XXX _ Three digits on the upp
58. 20 KCH 10 81 DISPLAY UNIT X54 3200 20 KCH 11 83 CONTROL UNIT 57 5620 B 3 89 FINAL UNIT 57 5620 C 3 TK 890 B eene 99 TX RX UNIT X57 5620 XX 3 103 FINAL UNIT X45 3570 10 TK 890H B eene 115 BLOCK DIAGRAM rr 119 SPECIFICATIONS 5 nitet tentat tpe 121 GENERAL INTRODUCTION PERSONNEL SAFETY SCOPE OF THIS MANUAL This manual is intended for use by experienced techni cians familiar with similar types of commercial grade com munications equipment It contains all required service in formation for the equipment and is current as of this publica tion 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 of which it is a part and a sufficient description of the required component for proper identification The following precautions are recommended for person nel safety e DO NOT transmit if someone is within two feet 0 6 meter of the antenna
59. 25 26 30 AO1 AO2 AO3 TXD2 4 RXD2 50 TXS SPM MCM ME MI DI Auxiliary output 1 FPU selectale Auxiliary output 2 FPU selectale Auxiliary output 3 FPU selectale Serial data output Auxiliary output 4 FPU selectale Serial data input Squelch signal output H Busy L Not busy TX sense signal output H TX L Another Speaker mute signal input H Mute on MIC mute signal input H Mute on MIC earth Mic Data signal input 1 Default DI Non connection CN3 1 RA O Receiver signal output To Coaxial connector TX RX unit W E Earth To B Power supply output 13 6V 1595 B Power supply output 13 6V 1595 unit W2 DB Transmission drive control To voltage output APC 2 E Earth 3 8T 8V input during transmission 4 PC TX power control signal input CN506 To Acc 9 pin connector IGN E HR OS OS2 Ignition sense input Earth Horn alert signal output 1 Horn alert signal output 2 BTL output for external speaker B PA BTL output for external speaker B PA BTL output for external speaker A BTL output for external speaker A Remote speaker switch DISPLAY UNIT X54 3190 20 KCH 10 X54 3200 20 KCH 11 S10 00 14 O Ol CON 2 3 4 5 6 Squelch signal output H Busy L No signal Emergency signal output External PTT signal input Auxili
60. CPU by converting SB from the control unit to 5V by IC1 And SB is supplied for the LED of backlight CPU The on off signals of keys other than the power switch and the PTT and HOOK signals are converted to serial data and sent to the control unit Data is displayed on the 14 digits and 3 digits dot matrix alphanumeric display 1 LCD ASSY AVR 9 SB Containing IC1 51 i IC4 019 POWER I LCD driver IC dn RST NJM78L05UA 2 Microprocessor RHBVLA42C RST p S5 S6 57 58 59 510 511 MON SCN PF8 PF9 DM1 DM2 DM1 DM2 KEY BACK LAMP LCD BACK LAMP ENCODER Fig 13 KCH 11 block diagram 31 TK 890 B H B SEMICONDUCTOR DATA Microprocessor 784214GCXXX8EU Control Unit 5 16 Terminal function Action Action Modem FCLR Serial interface RXD Common CLOCK Serial interface TXD D A converter CS Modem STB Modem MSKE Shift registerl Control CS Modem DIN Shift register Interface CS PLL LE GE STAR DTMF encoder CLOCK GE STAR EPT encoder DATA GE STAR EMG 5V ash ROM access port X tal ND GND ash ROM access port Open ash ROM AMbit access port GND ot used CPU reset as
61. Holding down PTT for longer than the programmed time causes the RADIO to stop transmitting and sound a warning tone To stop the warning tone release PTT 29 Signalling AND OR Possible to configure to each group The RADIO will be unmuted with a combination of QT DOT and 2Tone DTMF The AND OR setting works as fol lows 29 1 AND The audio is unmuted when the RADIO receives the cor rect and 2Tone DTMF After transmitting 2Tone DTMF will be canceled 29 2 OR The audio is unmuted when the RADIO receives the cor rect 2Tone DTMF is used just as an individual call or group call 30 Off Hook Decode If the OFF HOOK Decode function has been enabled re moving and replacing the microphone on the HOOK has no effect for decoding QT DOT and 2Tone DTMF 31 TX Audio Monitor Dual Head Configuration only This function allows the radio operator to hear another operator s voice which is transmitted through another con trol head If the TX Audio Monitor function is set to w Talk Inter rupt and one operator is transmitting the other operator s control head displays INTERCOM and he she can speak to the transmitting control head by pressing PTT 32 Roll Over Dead End 32 1 Roll Over When CH UP is pressed or the CH UP DOWN Knob is turned CW from the Maximum channel the channel changes to the Minimum channel When v CH DOWN is pressed or the CH UP DOWN Knob is turned CCW
62. No Description nation Address Parts No Description E40 5957 05 PIN ASSY SOCKET E40 5958 05 PIN ASSY 56 0410 15 RF COAXIAL RECEPTACLE MIC CONNECTOR E37 0703 05 LEAD WIRE WITH CONNECTOR KCH 11 L78 0043 05 4 19MHZ A62 0607 13 PANEL ASSY RK73GB1J j 3 353 0838 03 PACKING PANEL ASSY RK73FB2AS G53 1523 04 PACKING VOL RK73FB2A3 R92 2023 0 10 6622 02 POLYSTYRENE FOAMED FIXTURE RK73FB2A 11 0894 04 POLYSTYRENE FOAMED BOARD 13 1059 04 CARTON BOARD R92 0670 05 25 0029 04 PROTECTION BAG 60 110 0 07 RK73FB2A33 25 0103 04 PROTECTION BAG 125 250 0 07 RK73FB2A18 RK73GB 25 0117 04 PROTECTION BAG 80 250 0 07 RK73FB2 52 1271 02 ITEM CARTON CASE RK73GB 3 21 8417 04 HARDWARE FIXTURE MIC CONNECTOR RK73GB 39 0625 04 SPACER TX BUSY 92 1281 RK73GB 29 4664 0 VOL UP DOWN RK73GB 29 4704 0 ACSY 29 5252 TOP RK73GB 29 5276 0 B ACSY RK73GB 29 5277 0 B ACSY RK73GB RK73GB1J 29 5305 03 B ACSY RK73GB1J 87 2605 46 RAZIER HEAD TAPTITE SCREW R92 1252 87 2608 46 RAZIER HEAD TAPTITE SCREW RK73GB1J 87 3008 46 HEAD TAPTITE SCREW RK73GB1J 99 0364 05 SCREW SET ACSY R92 2063 05 R92 2023 05 RK73GB1J472J RK73GB1J473J 41K 73681 822 82K DISPLAY UNIT X54 3200 20 KCH 11 RK73GB1J103J OK RK73GB1J682J 6 8K B30 2194 05 D GREEN R92 1252 05 0 OHM B30 2193 05 D RED R31 0607 05 VARIABLE RESIST
63. OFT 8 081 VOL UP DOWN 2 PF4 Full function panel GRP UP POWER GRP DOWN KENWOOD GRP VOL UP DOWN PF2 Panel Test Mode The transceiver s transmission output receive sensitiv ity and other items are measured and OT DOT 2tone and signaling is decoded in this mode To enter the panel test mode Hold down PF1 and turn the power switch on to enter this mode The test frequency channel and test signalling channel will be displayed optional signalling is reset Test frequency channel MHz TK 890 B 890H B K2 TK 890 B K3 TK 890 B TX RX TX RX TX RX 470 0000 460 1000 496 0000 490 1000 416 5000 420 1000 450 0000 450 1000 480 0000 480 1000 403 0000 410 0000 490 0000 469 9000 512 0000 499 9000 430 0000 429 9000 460 0000 460 0000 490 0000 490 0000 420 0000 420 0000 460 2000 460 2000 490 2000 490 2000 420 2000 420 2000 460 4000 460 4000 490 4000 490 4000 420 4000 420 4000 470 0000 470 1000 492 0000 492 1000 403 0000 403 1000 480 0000 480
64. R657 92 0670 0 RK73GB R658 73GB1J R92 1252 R659 RK73GB1J RK73GB1J R661 R92 0670 RK73GB1J R662 RK73GB1J R R RK73GB R663 73GB1J RK73GB R664 73GB1J RK73GB R665 RK73GB R666 667 RK73GB1J R RK73GB1J R668 R R R 92 0670 92 1252 92 0670 GB1J RK73GB1J R670 RK73GB1J R671 gt R92 0670 R672 RK73GB RK73GB1J R674 675 RK73GB RK73GB1J R676 RK73GB R R R92 0670 R677 GB RK73GB1J R678 679 Ore TK 890 B H B PARTS LIST TX RX UNIT X57 5620 XX TK 890 B Desti nation Desti nation 00K J DA204U DE 0 OHM DA204U DE OK DA204U DE OHM DA204U DE OHM DA204U DE Ref Address Parts No Description Address Parts No Description R680 RK73GB1J104J R690 691 R92 0670 05 R693 RK73GB1J103J R695 R92 1252 05 R697 R92 1252 05 4 7K 155355 68769 687691 68769SH TA31136F c c DE RF POWER MODULE RF POWER MODULE RF POWER MODULE FM IC R69 R69 8 73GB1J472J 9 R700 1 2 R R92 1252 05 RK73GB1J220J R70 R R70 R 73GB1J103J 73GB1J472J 5 3 BU4094BCF JM78L05UA 8009 SA7025DK C4013BF N R703 K73GB1J473J R706 92 0670 05 R SHIFT REGISTER R R707 713 RK73GB1J474J R R AVR AVR PLL IC D EF R714 K73GB1J104J
65. RX UNIT X57 5620 XX TK 890 B Desti nation Desti nation Address Parts No Description Address Parts No Description RK73GB1J 80 GB1J223J RK73GB1J 22K GB1J124J R 22 R RK73GB1J 80 RK73GB1J473J R R 120K 47K 3 3 47 R92 0670 0 OHM GB1J332J RK73GB 00 GB1J473J RK73G 00 GB1J R92 12 FB2A473J R 47 R RK73GB 00 RK73GB1J103J R R 47 10 RK73G 330 92 0670 05 RK73GB OK GB1J333J 33 RK73GH GB1J154J RK73GB 1252 05 RK73GH D GB1J123J RK73GB GB1J153J RK73GB GB1J474J OOO RK73GB R6 GB1J823J RK73GB R6 GB1J393J RK73GB R6 GB1J122J RK73GB R6 GB1J152J RK73GB R6 73GH1J274D RN73GH1J473 R618 73GH1J334D RN73GH1J563 R619 620 73GH1J274D RK73GB1J103J R621 73GB1J472J RK73GB1J681J R622 73GB1J473J RK73GB R623 73GH1J274D RK73GB1J R624 73GB1J103J R92 0670 R625 73GB1J684J RK73GB1J R626 73681822 RK73GB R627 73GH1J274D RK73GB1J R628 92 0670 05 R92 0670 R629 73GH1J563 R92 1252 R630 73GH1J473 RK73GB1J R631 GB1J RK73GB1J R632 GB1J RK73GB1J R633 634 681 CBO Cy Cy Cy RK73GB R635 R92 0670 0 RK73GB R636 RK73GH1J RK73GB R638 RK73GH1J223D RK73GB 1 R639 RK73GB1J473J RK73GB R641 R92 0670 05 RK73GB R642 648 RK73FB2A102J RK73GB R652 RK73FB2A102J RK73GB R654 656 RK73FB2A R R RK73GB
66. SWITCH e i PF2 PFA T9 1k DTC144EU DTC144EU DTC144EU DTC144EU 1 121 switcu 20 i AO1 T al D24 olo 7 ve 188301 A92 PFA Ys 972 1 9 5 9 E o 4 Ji PF3 PFS 9 i 82 155301 R30 lk x 1 2 5 i 5 7 gt c zz ES Ee PFS E Ay Ay SURGE ABSORPTION gt Ay 5 gt gi4 D16 17 19 21 x x x WD 014 015 No Dc SWITCH 1 DIDiLAEK D2 Di C37 0 Olu 85 z 5 26 5 54 3200 20 822 DTD114EK DTD114EK 58 aa 5 2 2 r SURGE ABSORPTION 429 SWITCH 4 Otay 15 L G 148 as 329 5 C32 100 8 5 E gm 4 4 DC SWITCH 5 Dil 015 D12 D14 D16 DC SWITCH 419 B re DA204U C DA204U DA204U DA204U DA204U HK 7 7 7 7 7 O 1 ov 12NNC dt 5 1 obo d 216 D17 D19 D21 STS 979 22210 EET 575 1 Ets AP PTT e s 9 o m e QQ 011 m 3 3 i 100 ELE PASO4UE DAPOSU TATA JIDASORU DTCi4AEU 77 77 L 1 2 77 TRD 9 SURGE ABSORPTION ZiB 707 98 77 015 DC SWITCH 4 NC e J1 L 54 SURGE ABSORPTION ei d i DTD114EK u
67. Transmitter frequency deviation and power output should be checked as should receiver sensitivity squelch operation and audio output OT equipment operation should be verified 4 PLANNING THE INSTALLATION 4 1 General Inspect the vehicle and determine how and where the radio antenna and accessories will be mounted Plan cable runs for protection against pinching or crush ing wiring and radio installation to prevent overheating 4 2 Antenna The favored location for an antenna is in the center of a large flat conductive area usually at the roof center The trunk lid is preferred bond the trunk lid and vehicle chassis using ground straps to ensure the lid is at chassis ground 4 3 Radio The universal mount bracket allows the radio to be mounted in a variety of ways Be sure the mounting surface is adequate to support the radio s weight Allow sufficient space around the radio for air cooling Position the radio close enough to the vehicle operator to permit easy access to the controls when driving 4 4 DC Power and wiring 1 This radio may be installed in negative ground electrical systems only Reverse polarity will cause the cable fuse to blow Check the vehicle ground polarity before installa tion to prevent wasted time and effort 2 Connect the positive power lead directly to the vehicle battery positive terminal Connecting the Positive lead to any other positive voltage source in the vehicle is not rec ommende
68. Un 9 C202 5206 E amp mS S R202 E 1 le R220 el gt C204 Q103 H 2201 R201 203 mg L108 L107 2 A101 2 1 6 1 Ee CN101 Nj IN 2 IS D305 ro 1 Cy lt 323 Q 5 gl L308 C338 o 2 8 5 E 3 CN102 8332 C353 8 Q E 1 6 gx Gale 2270 S 1 4 R340 nd L E Jg 7 8 qx 8 0306 21 05 8 I N 5 9 1306 8 ET j 2 ol 9CL I 7 e R333 C354 ad ore 4 B S 25 e IE R336 Lo C347 R329 CF101 CF102 o L 6 Eu 310 1 pS D304 8 KF102 5 ayo ye Exp 1301 pm S 5 3 L307 soa 375 4 es x S 8 a Pim 9CL 5 CF103 CF104 Bs e 352 m S8 RI 6 e 2 83528355 Sea o L 2 26 C326 C156 0315 9 C161 69 312 Q 8 CL 10 E3 319 8 Ba 11 Address Ref Address Ref No Address Ref Component side 12 Foil side 13 14 104 A E F H M p S PcBOARDVIEW K 890 B H B TX RX UNIT X57 5620 XX 3 10 890 11 TK 890 B K2 12 TK 890 B 13 TK 890H B Foil side view
69. an Alert Tone sounds after receiving a 2Tone code You can configure Normal an alert tone beeps once or Continuous an alert tone beeps every 5 seconds for the Call Alert Unmute condition is canceled and the CALL icon goes off when 1 pressing the MON Key 2 hanging the microphone on its hook 3 muting continues for 10 seconds If Auto Reset has been programmed 27 DTMF Signalling Signalling opens the squelch only when the RA DIO receives a proper DTMF code that is the same as the pre programmed Primary Code Individual 1 7digits or Secondary Code Group 1 7digits When the RADIO re Ceives a correct code the CALL icon flashes If Transpond has been programmed the RADIO will re turn an acknowledgment signal automatically after receiving the DTMF code If Call Alert has been programmed an Alert Tone sounds after receiving a DTMF code You can configure Normal an alert tone beeps once or Continuous an alert tone beeps every 5 seconds for the Call Alert Unmute condition is canceled and the CALL icon goes off when 1 pressing the MON Key 2 hanging the microphone on its hook 3 muting continues for 10 seconds If Auto Reset has been programmed and 4 receiving reset code Primary code or secondary code 28 Time Out Timer Possible to configure to each group The Time Out Timer function interrupts continuous trans mission after a specified time elapses
70. channel SCR is ON the SCR Code setting is memorized then SCR Code Set Mode will turn off 18 AUX A AUX B AUX C This function switches the accessory PF Output ports which have been programmed with AUX A AUX B and AUX Press AUXA Key confirmation tone sounds the icon is displayed and the AUX A Port is switched on Low level If AUXA is pressed again a confirmation tone sounds the A icon goes off and the AUX A Port is switched off open collector In the same way AUXB Key controls the AUX B Port and AUXC Key controls the AUX C Port 19 Direct Channel Access This feature allows the radio operator to immediately se lect CHANNELs 1 5 which are contained in GROUP 1 select GR1 CH1 press CH1 To select GR1 CH2 5 press CH2 CH5 20 Channel Recall RCL This feature is enabled in scan mode This feature allows the radio operator to immediately ac cess the last called Unmuted channel by pressing RCL The 3 digit display shows RCL Press RCL again and the radio returns to the previous channel 21 Dimmer DIM To adjust the brightness of the display backlight TX BUSY LED panel Keys backlight and microphone keys back light press the DIM Key DIM controls the brightness at the same time as fol lows Display backlight TX BUSY LED Panel Keys backlight Microphone Keys backlight Default High High High High Press DIM Mediu
71. final unit and remove the flat cable CN202 upwards from the control unit CN502 Remove the 5 screws 23 TK 890 B H B DISASSEMBLY FOR REPAIR 24 4 Removing the Control Unit X57 562 B 3 1 2 3 4 5 Remove the 8 screws With a screwdriver remove the 2 leaf springs holding the ICs to the frame 0 Remove the flat cable CN502 Remove the 2 connectors CN501 and CN506 Remove the connector CN505 from D sub connector 25P on the rear 5 Removing the Accessory Connector on the Rear Confirm that the screw holding DC cable red and the screw holding DC cable black of the final unit are re moved and that CN506 of the control unit 57 562 is disconnected Remove the 4 screws the rear Pull out the connector Take the connector terminals out through the opening in the frame Leaf spring 6 Screw driver TK 890 B H B DISASSEMBLY FOR REPAIR 6 Disassembly of the Display Unit N X54 3190 KCH 10 Pull out the VOL and UP DOWN knobs Remove the 2 hexagnal nuts Disconnect the 2 connectors CN2 and CN4 of the dis play unit 54 3190 A 3 You can remove the UP DOWN encoder Remove the waterproof seal Remove the 4 screws holding the speaker and PC board fitting Remove the 3 screws You can remove the display units X54 3190 A 3 a
72. mainly performs the following 1 Switching between transmission and reception accord ing to the PTT signal input 2 Reading channel frequency and program data from the memory circuit 3 Sending frequency data to the PLL 4 Turning the squelch on and off according to the voltage from the squelch circuit 5 Controlling the audio mute circuit according to input de code data 6 Sending encode data DOT 7 Sending data to the D A converter 6 1 Memory circuit A flash memory 519 with a capacity of 2Mbits con tains the transceiver control program for the CPU IC516 and data such as transceiver channels and operating fea tures This program can be easily written from an external de vices Data such as memories and operating status tuning data are programmed into the EEPROM 514 6 2 Shift register 517 and 523 are an interface IC for I O port expan sion It is used to expand the CPU IC516 output ports 6 3 D A converter 512 is used as a conventional semi fixed resistor con verter It sets the following 1 RX sensitivity 2 Transmission power Modulation level Audio power Frequency 6 4 Power supply circuit D507 is a protection diode for the excess voltage 1 Turning the transceiver on off with a power switch Each ime you press the power switch the IC501 output is al ernated The output is feed through 0501 to turn Q519 on The power source is alw
73. s 15 282 ET sid iB DC SW m a a a i M ons Sita sns 9 2SB1132 Q 28B1132 Q 2 af af sf af i gt D 2 M E OZ 2 1 RIPPLE FILTER ot x oT SW 29 2 SER ov 245 214 47k R218 ATk 1cN201 9 5V 7 wi 5 05V a m a 2 nev 2 100k QT R301 10k 2940 aso SMe Yg 0 2309 OG B212 ale Z OBOE E e 28C4989 9 2 380 amo 0306 gt 250411607 8 1 9103 104 SE 21 pr asca71a y a gt DC AMP 77 S 3 5 5 8959 22 5 2SK508NV K52 DC SW 5 clol 8 MIX Q203 8 m n Ce sudo a4 ols X s o R340 gt e E Ode 4 Tk DTC114EUA a DC SWITCH 245 559 im i 5 02V 9 OSC Q312 8 ibm mla 5 14 LOCAL AMP 9 oTS DTC114EUA 5 1 mide df 11 R324 sle D ere S ok 0202 203 w 0206 207 23 RT g 2 4 enaos 0 Ome 212 oe 132 SHIFT ST SWITCH 2206 8R SWITCH aA 28C2712 obs s 5 77 2 C320 C324 ola o al 7 212 2 REGISTER
74. switch Forward wave rectification switch On when the power switch on itch On when horn alert Reflected wave rectification 37 TK 890 B H B 38 DESCRIPTION OF COMPONENTS Display Unit X54 3190 20 KCH 10 Use Function AVR Operation Condition Input SB Output 5V Display Unit X54 3200 20 KCH 11 Use Function AVR Operation Condition Input SB Output 5V Reset Reset EEPROM CPU LCD driver EEPROM 9V AVR DC switch Dimmer Hi Low ON A V key lighting ON V key lighting ON Dimmer Hi Low ON Dimmer Hi Mid ON Low ON Dimmer Hi Dimmer Hi PETSCUPE2T U lighting ON PFA PF5 key lighting ON PF6 PF7 key ighting ON PF1 PF2 PF3 key ighting ON Dimmer Hi Mid ON SCN PF8 PF9 key ighting ON Surge absorption On when output port on TRD switch key lighting ON Voltage reference DC switch On when output port on LCD backlight BUSY LED Surge absorption Voltage reference TX LED BUSY LED Surge absorption Surge absorption TX LED Surge absorption DC switch Key lighting ON Surge absorption DC switch DC switch Key lighting ON D19 DC switch PARTS LIST TK 890 B H B
75. the radio power on Panel tune mode Press the GR key from the panel test mode Clone mode Hold down the PF5 key turn the radio power on Firmware programming mode Hold down the PF2 key turn the radio power on 43 PC Tuning Mode When making adjustment while in PC tuning mode modify the KPG 43 programming interface cable as de scribed below 1 Remove the two screws from the plug cover then lift the cover from the plug 2 Solder the lead wire onto the MIC tab on the PCB and the ground wire onto the ME tab 3 Create a hole in the casing as shown in the illustration then fit the cable into the hole Replace the cover and secure it using the two screws TK 890 B H B OPERATING FEATURES 44 Clone Modes There are two clone modes All Clone Mode in which all data programmed in one transceiver with the FPU is copied to another transceiver and Group Clone Mode in which group data in one transceiver is copied to a group another transceiver The cloning operation is performed from the master side transceiver PF5 Power on All clone Group clone selection All clone mode Group clone mode PF5 Master group selection PF5 Up Down Slave group selection UP Down PF5 44 1 To Enter the Clone Mode and Connect Transceivers 1 Hold down the PF5 key and turn on the power switch on the master side tr
76. zr O 01u 01 T Al 1 2SC2873 Y OV Oso OF ai 35 156 Lv i TRANSISTOR 7 7 3 c29 11 a 0 Olu f 54 s2 5 8 8 1 BUSY LED QUY 8 8 CN Jj D Qi N 5 2 77 04 7 1 amo 28C2873 Y V D13 47k DTC144EU DTC144EU 1 X ey o i isla TRANSISTOR lt To TX LED I ds RES o m cit T VOLTAGE e 51 0 1 tuit BERENS X54 3190 20 C 3 BET O 3 i 1 VOLTAGE 1 02 29 1 X Y 488 x REFERENCE DC SWITCH bd 1 5 1 1 ax k 413 06 11 215 D6 5 LCD t gt DC swircH 28 BUSY LED gt 1 LIGHT i th D7 A021 00 d TX LED LHe 7 Y 2 9 R48 4 Tk R40 1k CN3 s I A 9 55 E 1 55 55 Q4 8 15 5 5 e A PF 1 7 SB 2500 HEST HES DTCIAAEU l 348 i E i th rh 100p 55 a Mic o LI LI o e 58 ME L 1 Q3 7 ogn R1 1k ol Q3 77 Q5 Q6 DC
77. 0 XXX in tune mode 3 SSG output OFF Wide high check Narrow center check Adjust to point of opening squelch Set the value to 255 Adjust the SSG output to Condition Then decrease the value to the point of opening the squelch Wide Narrow check Squelch must be closed Remarks When revising the BPF bandwidth ensure that squelch is adjusted to the Center CH of the bandwidth see adjusting procedure 5 75 TK 890 B H B TERMINAL FUNCTION 76 Connector No Terminal No Terminal Name 1 0 Terminal Function Connector No Terminal No Terminal Name y o Terminal Function F INAL UNIT X45 3570 10 TK 890H B CONT ROL UNIT X57 5620 XX B 3 1 DO Transmission drive input Coaxial connector Receiver signal output Coaxial connector B Power supply input 13 4V 1596 E Earth To Control unit E B B Earth Power supply output 13 4V 15 Power supply output 13 4V 1596 W501 To Display unit 1 2 OO O O RS2 RS1 SB IGN PS TRD 1 2 RST E MIC ME Output remote speaker Output for remote speaker Power output after power switch 13 6V 13 4 15 Ignition input Power swith control signal input TX data output RX data input Remote head 1 signal output RESET signal o
78. 0 01 lk 155184 13 4 z a rg e ST DAN235K E OE 42 1 11 85V 86V 5 XF101 1115 TV 1 ry 1 73 OSMHZ C136 Sa C140 L123 R130 10 ae 524 COMBINER 7 92V 10 PROTECTION 5 17dBm oat OT OF REVERSE 2 275 0 01u 0 047u 7 E Sipe 18 T CONNCTION pc 13 2 x gt 5 Om 10101 SE B 1 114 L TA31136FN dios 916 E Q107 z 8 8 E DTC144EUA 1 L113 2sc4215 FM IC 2925 u Lw rcl D6 ls 8 m 1 PIE 7 4 92V liil SURGE GS LIT 955 823 CN102 el d ABSORPTION 582 lt 6 oS L104 m aT C144 4 21V 7 2 5 L101 C107 C108 RIOT x 2 eb N m 1 1 22 1 2 e 2 1F 1 x 5 12 1 1 J Zw 18 Ir SWITCH 5 sib sl 884 2 T1 M lt E n am SO E oso 1148 8 102 88 9 146 v X57 5620 13 A 3 X45 3570 10 CSB t DAN235K R135 zm siad 259 i 2 osx 9 it 7 7 5228 D102 105 DAN235K 9101 102 104 204 28 3357 Q305 307 2SK508NV K52 Di 2 HSMB8AS 0
79. 0 1575 34 0 1575 34 0 1875 34 9 1533 05 79 1534 05 9 1535 05 40 1281 37 L40 2781 37 L40 1271 34 0 1575 34 0 1875 34 0 1875 34 140 2275 34 140 1875 34 140 2275 34 140 2775 34 L34 4529 05 L34 4528 05 L34 4529 05 L34 4528 05 L34 4529 05 FUSE 0 5 FUSE 1 8A CERAMIC FILTER 455 CERAMIC FILTER 455 CERAMIC FILTER 455 CERAMIC FILTER 455 AIR CORE COIL AIR CORE CO AIR CORE CO AIR CORE CO AIR CORE CO HELICAL BLO HELICAL BLOC HELICAL BLOC SMALL FIXED 5 XED S XED S FIXED 5 F10 2278 04 SHIELDING PLATE MCF 1708 05 5 1863 0 514 0 515 0 RK73FB2A821 J R92 0670 05 RK73FB2A100J RK73FB2A821 J RK73GB1J104J 1214 681 GB1J GB1J GB coc cc HOD 73 05 73 05 AL 12 0MH HZ WIDE HZ NARROW 2 TK 890 B H B PARTS LIST TX RX UNIT X57 5620 XX TK 890 B Desti nation Desti nation 3 3 R223 FB2A821J 820 J 1 0 R224 225 FB2A100J 0 33 R226 FB2A821J 820 68 R301 304 K73GB1J103J OK 2 2 R305 1252 05 Address Parts No Description Ref Address Parts No Description RK73GB1J332J RK73GB1J102J RK73
80. 0 3375 34 33 GB L40 2275 34 OR 22 GB L92 0148 05 GB L40 1575 34 15 GB L40 1005 34 TOR 10UH GB L77 1737 05 73 505MHZ GB L77 1766 15 GB L77 1708 05 3 579545MHZ GB L77 1863 05 OR 12 0MHZ GB L71 0514 05 F GB Cx Cy Cy C3 L71 0515 05 F ROW GB GB RK73GB1J470J GB RK73GB1J332J R2 GB RK73GB1J102J R2 GB RK73GB1J470J RK73GB1J102J R2 GB R2 GB R92 1252 05 R2 GB RK73GB1J R2 GB RK73GB1J R2 GB R92 1252 05 RK73GB1J102J R2 GB R2 GB RK73FB2A821 J R2 GB RK73FB2A5R6J R220 GB RK73GB1J270J R221 GB1J472J RK73FB2A8214J RK73GB1J222J R222 685 05 R223 FB2A821J RK73GB1J332J R224 225 FB2A100J RK73GB1J102J R226 FB2A821J RK73GB1J330J R301 304 GB1J103J RK73GB1J680J RK73GB1J222J R305 1252 05 R306 GB1J560J RK73GB1J332J R307 308 GB1J100J RK73GB1J102J R309 GB1J102J RK73GB1J220J R310 311 GB1J152J Co gt OO Ora TK 890 B H B PARTS LIST TX RX UNIT X57 5620 13 TK 890H B Desti nation Desti nation 33K J R528 73GB1J 00K OK J R529 530 K73GB1J 330K 330 J R531 736 1 50 22K J R532 736 1 470K 470K R533 GH 47K Ref No Address Parts No Description Ref Address Parts No Descri
81. 1 2 10 2 22k Hew Q105 CN101 73 O5MHZ gr 5 5 1116 7 Aes 220 1 Bk DTA144EUA 5 e C110 Dd uoc NUIT P 4 2107 42 9103 314 28C3356 Q308 310 28CA116 CY D3 1188184 2501406 m eH R141 9 9 470p 8151 L106 e C112 gt R136 a 923 153 R145 D108 155355 0105 144 D4 1155193 Q4 25 1162 K 775mV ie fo CF101 e CF103 22k l 2700 3 D201 DA204K 0106 108 DTC144EUA DS 02CZ10 X 25 nr P P ol 5 6 22 OUT IN pur 4 1090 330 C175 i 1 101 11 6 l olo Sio 2b ola a 7 52 gt f 770 D301 306 1SV282 Q107 28CA215 CY D6 ZSA5A27 Q6 7 2504989 u 0109 0 022 201 04094 E m L IF SwITCH u ale D307 15 214 0109 28C4617 S D7 80 51 as 2 7 i m omo 25 4617 5 IC202 NJM7T8LOBUA 5 i AMP SQL e D107 4 rh pr 61114 BG CF102 CF104 ilo x D308 DAN235K 2201 313 315 28CA226 R24 29 28 1624 ne oix al IK SUTIN SAMP 159 0106 1C203 AN8009M E 5 1 M 8504 meh D104 e a pio5
82. 1 Procedure I II 501 2 Procedure I II 501 3 Procedure I II Cat A1 Cat A1 Low Temperature 502 1 Procedure I 502 2 Procedure I II 502 3 Procedure I II Cat C1 Cat C1 Temperature Shock 503 1 Procedure I 503 2 Procedure I 503 3 Procedure I Cat A1 C1 Cat A1 C1 Solar Radiation 505 1 Procedure I 505 2 Procedure I 505 3 Procedure I Rain Procedure I Control head only 506 1 Procedure II 506 2 Procedure I 506 3 Procedure I Humidity 507 1 Procedure 507 2 Procedure II 507 3 Procedure Salt Fog 509 1 Procedure I 509 2 Procedure I 509 3 Procedure I Dust 510 1 Procedure I 510 2 Procedure I 510 3 Procedure I Vibration 514 2 Procedure X 514 3 Procedure I 514 4 Procedure I Cat 8 Cat 8 Shock 516 2 Procedure II 516 3 Procedure 516 4 Procedure I IV 121 TK 890 B H B KENWOOD CORPORATION 14 6 Dogenzaka 1 chome Shibuya ku Tokyo 150 8501 Japan KENWOOD SERVICE 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 echelsesteenweg 418 B 1930 Zaventem Belgium KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 75018 Paris France KENWOOD ELECTRONICS U K LIMITED ENWOOD House Dw
83. 2 114 513 518 521 524 IC506 L 78LROSB FA 16512 M62364FP IC516 784214GCO518EU 12520 TCTSO2F IC526 TAT5SO1F J 72 0569 42 B 3 CONTROL UNIT X57 5620 XX B 3 10 TK 890 B P PCBOARD VIEW IK 11 TK 890 B K2 12 TK 890 B 13 TK 890H B Component side view 2 Fes 3 532 4 R514 6512 507 S 5 6 R542 6690 33 23 C691 34 22 5C 2562 6550 7 IC504 ie ex i eii 1 11 N 5 8 85169 s 9 10 11 Component side Pattern 1 Pattern 2 Pattern 3 12 Address Ref Address Ref Address Ref Address Ref No Pattern 4 Foil side 13 94 14 A B F G H K L M N R 5 TK 890 B H B Pc BOARD view CONTROL UNIT X57 5620 XX B 3 10
84. 29 5305 03 212 Protection bag H25 0103 04 211 Protection bag H25 0029 04 219 Knob 208 Polystyrene foamed fixture H10 6622 02 214 Item carton case H52 1271 02 64 Parts with the exploded numbers larger than 700 are not supplied TK 890 B H B PACKING KCH 11 0 307 Carton board H13 1059 04 306 Polystyrene foamed board 1 H11 0894 04 322 Screw set N99 0364 05 310 Protection bag 25 0117 04 318 Knob K29 5276 03 319 Knob K29 5277 03 320 Knob K29 5305 03 309 Protection bag H25 0103 04 308 Protection bag H25 0029 04 6 Knob K29 4704 04 x 5 H10 6622 02 305 Polystyrene foamed fixture 311 Item carton case H52 127 1 02 Parts with the exploded numbers larger than 700 are not supplied 65 TK 890 B H B ADJUSTMENT Key Functions in Panel Test Mode and Test signalling CH Narrow Test frequency CH Panel Tune Mode Test mode Tune mode changeover GRP UP GRP DOWN UP DOWN Monitor ON OFF Narrow Wide changeover Note When a key other than GRP down is pressed the 66 Frequency CH down Tuning item down Frequency CH up TUning item up Signalling CH down Tuning value down Signalling CH up Tuning value up Not used Tuning value backup Basic function panel GRP UP POWER GRP DOWN KENWOOD BBB CALL cu 5
85. 3GB1H471K C F 364 365 CK73FB1E224K C366 92 0514 05 5 2UF C367 92 0002 05 369 370 92 0606 05 C37 CC73G6CH1H020C i C372 CC73GCH1H100D C373 CC73GCH1H030C 374 376 CC73GCH1HO50C 377 379 CC73G6CH1H1R5C C380 381 TK 890 B H B PARTS LIST TX RX UNIT X57 5620 XX TK 890 B Desti nation Desti nation 0 018U K3 C592 CK73GB1H102 0 022 K2 C593 C92 0633 05 22UF 10WV 0 047U K C594 CK73GB 0 0 Address Parts No Description Ref Address Parts No Description 73FB1H183K 73FB1H223K 73FB1H473K C73GCH1H101J 73GB1H102K 03 0 010UF PF 595 597 CK73GB1H102 598 599 CK73FB1E 04K UF 73FB1E683K K73GB1H471K C73GCH1H101J 92 0585 05 73GB1E123K C600 92 0507 05 F C60 CK73GB1H102 C602 CK73GB1H562 C603 CK73GB1H102 604 605 CK73GB1H562 92 0560 05 CK73GB1H222K 92 0560 05 CK73FB1E104K 92 0560 05 C60 92 0507 0 C60 7368 C60 73GB C60 73GB C6 T3FB1 73FB1E104K 73GB C73GC 73FB 73GB C6 GB C6 1341 C6 C6 C6 E CI 03 73FB 73GB C616 C617 C618 C619 C620
86. 60 400 460 400 490 400 490 400 420 400 420 400 470 000 470 100 492 000 492 100 403 000 403 100 480 000 480 100 502 000 502 100 413 000 413 100 490 000 489 900 512 000 511 900 423 000 422 900 490 000 489 900 420 000 419 900 470 000 470 100 440 000 439 900 100 2 square wave None QT 67 0Hz QT 67 0Hz OT 151 4Hz OT 151 4Hz 250 3Hz OT 250 3Hz DOT 023N DOT 023N Single tone 1633Hz 2 tone 321 7 928 1Hz DTMF 9 DTMF 159 MSK None OO Oj 1 5 00 Nj o Oj Oj 11 5 W M e EN Receiver section Transmitter section The indicated SSG output level are for maximum output Whenever there is no modulation desingnation Coupler standard modulation MOD 1kHz DEV 3kHz Wide DEV 1 5kHz Narrow is indicated Deviation Power meter TN 9 Ex meter 40 dummy load ETIN Frequency VIUM 990 counter lt Oscilloscope AF VTVM Power Ammeter Connect the front panel KCH 10 to the transceiver s body 3 PLL lock 1 CH SIG 3 1 DC VM TX RX CV TC302 voltage CH SIG 10 1 K2 K3 Power meter A 3 2 CH SIG 9 1 K K2 303 CH SIG 11 1
87. 620 XX TK 890 B Desti nation Desti nation CC73GCH1H101J C 100PF 4 1005 34 R 10UH CK73GB1E473J 0 047UF J 4785 34 L FIXE 470 C05 0393 05 C TRIMMER CAP 8PF L34 4530 05 L40 4772 37 L FIXE R 0 047UH L40 1875 34 8NH Address Parts No Description Address Parts No Description E04 0154 05 E23 0902 05 E04 0154 05 E23 1118 05 E04 0154 05 2 gt L40 1271 34 FIXED L40 8271 34 LL FIXED 8 L40 1875 34 LL FIXED L40 1095 34 LL FIXED L34 4556 05 ORE COIL zo I e 2 2 8 U E40 5538 05 E04 0154 05 E E40 5752 05 L34 4518 05 CORE COIL E40 5978 05 F L40 1095 34 LL FIXED E04 0154 05 CKE L40 1595 34 LL FIXED L40 1595 34 LL FIXED E40 5703 05 L40 1095 34 FIXED E40 5661 05 ASSY SOCKET E40 5960 05 ASSY 1595 34 FIXE E40 5066 05 ASSY 3375 34 L FIXE E40 5751 05 ASSY 2275 34 192 0148 05 CHI 40 5701 05 PIN ASSY L40 1575 34 FIXE R E37 0705 05 LEAD WIRE WITH CONNECTOR E37 0704 05 LEAD WIRE WITH CONNECTOR L40 1005 34 E37 0707 05 LEAD WIRE WITH CONNECTOR 731 05 766 L FIXED 10UH AL RESO 73 505MHZ 16 8MHZ AL 3 579545MHZ F53 0128 05 F53 0108 05 L72 0916 05 L72 0939 05 L72 0916 05 L72 0939 05 L34 4556 05 L34 4523 05 L34 4517 05 L34 4523 05 L34 4517 05 L79 1530 05 1531 05 L79 1532 05 0 1075 34
88. 658 eye 1 5501 POWER 4 gt 55 AT RSV2 ECT DTALLAEUA VOLTAGE OFF 13 34V amp 56k 9 TS EU n P i 4 5 B R666 8 a x VOLTAGE 11 4 5 4 5 415 REFERENCE 0503 1541 E DEF D507 Sw 295 NJM4558M Bae pem o2cz15 Y 4 DTC114EUA 558 D A02 1 DC SW 1C501 R662 o gt AO 0502 0541 C401 3BF N 8 11 637 ec sw sinp 922 i S p C4013 63 STO A04 i POWER ON ne DTC114EUA DTC114EUA DW 0506 K Q d ete RXD2 2 17 DTA114YUA DC SW gt 9522 em rxs a507 R652 8654 8655 R656 ieee DTC114YUA c588 X502 x MIT b C5 502 p 8 9158 SWITCH VDD DC SW g7 12MHZ 9 N N M N 2 416516 1 H ale 2 1 i zh th css 9518 784214GCO518EU 1 2 oso STD D513 D514 D516 D524 as DTA114EUA O 8 2 no DA204U DA204U DA204U DA204U o No IN CPU 7 sw 8140 imi ADS 5 lu sD 517 519 521 7 9 vss OAD K K K K 524 52 7 Y 8 8 BS SURGE ABSORPTION i 9 10 1C525 12 LC73872M D517 D519 D521 D523 D526 D527 D515 504 OFF 9543 9542 10519 16 DA204U DA204U DA204U DA204l A204U DA204U DA204U l 1 DTC114EUA DTAL14EUA 9523 524 90 1 FLASH DTMF DECODER o al Aue
89. 9 ica2o2 879 9575 819 oTe 575 i 28C3722K S om DC SW 4 Tk ia B a o TS QE m NJM78LOBUA 9 669 l 1 848 410301 1615 5 5 LOOP M n OSE 575 E 2 AVE f e CN202 EO Sk 3 5 Al 4 i SATO25DK Pubs s FILTER eu 28 41 1 2 5 97 j NC NC 5 D2 CN2 i UL SL HSM88AS i REFLECTED WAVE 1 EP EP RECTIFICATION RA 5 1 L9 R20 9 5V 82 1 2k 551 1437 05 777 ni LI SB SB 1 m i ME CONTROL UNIT 359 5T 1 ome DT 1 mao 020 o 1 22 1 1 229 259 STE JLDLTXARX SWiTCH m X57 5620 13 B73 Ria 120 155193 oe i nr FMC2 2501624 5 4 KEY TK 890H B K of a CN103 22 RECTIFICATION SMES 150 i 0 28Vpp 1KHZ60 A7dBm CN501 w4 u ors 61107 1108 1 1 R113 d 2 3 7 D5 5 6 15n 15n TOBY DURER EL DET 02 210 Y B O H abo olo ola ola c122 t l IF SWITCH C141 R132 SQL SQL 5 5 BEE ore 2 0 22 SES mo D103 EE 81 amv 1 RSSI RSSI E IE D3 1 a
90. 90 B H B 2 Connect the lead W501 with a connector of the control unit X57 562 B 3 to CN1 of the KCH 10 or KCH 11 3 Install the KCH 10 or KCH 11 on the radio using the screws N32 3006 46 supplied with the front panel kit Take care not to get the lead between the KCH 10 or KCH 11 and an edge of the case You can install the panel upside down if necessary to install the radio 4 Reinstall the upper and lower halves of the case 5 Connection the short plug for the accessory connector 9 pins on the rear of the radio KENWOOD 888 CALL 501 8 GPT ae 057 TX BUSY lt 2 O00 0 5 2 oll d 4 1 KCH 10 CJ C3 PF1 PF2 PF3 PF4 PF5 KCH 11 PF6 PF7 KENWOOD cau SCAN sP J OPT og Te PF8__PF9 ooog PF1 PF2 PF3 PF4 PF5 16 TK 890 B H B INSTALLATION Fig 4 1 Knob insertion Fig 4 2 Knob removal 3 Optional Voice Scrambler Function The optional voice scrambler function can be used by two m
91. AN235K 2564226824 2563351 2562854 24 28 1 809 M57798H 32 p ANT LPF TX d SW RIY RIV TW LPF CM COUPLER Ler LO ant ROWER COUPLER Q303 304 oH 28C3722K 8 1 Bi S i I LPF ANT 2554215 28033 1 4308 l DB lt 2scatiecy SCL pT AME Da Di 1 25D2309 HSMBB S an 9306 APC SWR 5302 305 1 FWD 06 REF 1 7 98 FMC2 HSM88AS HSM8S8AS gii aio DET DET i 43 DET DTCi44EUA 25 2 12 9 230162414 1 sw RX VCO preigaeua 29C2712 Y 1 DET 1 Sef seve MEM 1 Ds 2308 210 lt 8 SEL gt BINER 53 9307 52 1 155184 9307 ask Sogn ck 2551160201 f e m C RX VCO i POWER ADJ 1 EMER ADI i 8 45 2104 8T 8311 253357 ce i DT 114EUA diio i gt 28 RER lt aT 5 25 4116 pe 25554475 SRR i 2 22ZR 10D Pe E I Dcia I RFAMP q5 ole 28C27 eT THERMAL MB T 1 210 SENSOR Shas seo TRT BZ
92. ARD ACSY B62 0970 10 NSTRUCTION MANUAL B72 1458 34 ODEL NAME PLATE Cy PD Cy E04 0167 05 RF COAXIAL PECEPTACLE M E31 3301 05 LEAD WIRE WITH MINIPIN PLUG 00 E37 0709 05 LEAD WIRE WITH CONNECTOR ACC 9P E37 0731 05 LEAD WIRE WITH CONNECTOR DC 2P E37 0733 05 SHORT PLUG SP ACSY C 37 0773 25 LEAD WIRE WITH CONNECTOR D SUB 25P E37 0776 05 FLAT CABLE CONT TX 18P 09 0445 05 CAP D SUB F10 1488 02 SHIELDING PLATE FINAL Address Description PARTS LIST Desti nation TK 890 B H B FINAL UNIT X45 3570 10 TK 890H B TX RX UNIT X57 5620 13 TK 890H B Parts No Description Desti nation 04 0154 0 E23 1116 0 E37 0183 0 E37 0706 0 E37 0701 05 5 5 5 5 10 2277 04 133 0715 05 134 1233 05 134 4537 05 134 4538 05 L34 1236 05 L40 1081 34 RK73FB2A473J RK73FB2A104J RK73FB2A152J RK73FB2A392J RK73FB2A102J FB2A 1221 0 1204 0 FB2A FB2A122J 0 5 5 0 FB2A103J FB2A100J FB2A821J FB2A100J FB2A821J FB2A104J FB2A182J FB2A122J 1061 05 R12 6425 05 51 1437 05 HSM88AS 155184 155193 02CZ10 X Y 25 5 27 SG 5L R M57788H 32 2562712 OPF 0 10
93. BCF N 16515 1 5130 2 1 51002 2 10510 1 2 Q926 DTAYMTUA 10504 0501 2 804066 NJMABS8M NJM4556M NJM4558M 5 0527 1052088 0532 DICTAAEUA RIMAGE 363 VR501 MIC i i sw SUM i P Tm d SUM 1DC COMP sw HPF sw HE Q 1 DT 114EUA SW JDTCil4EUA SW jprenarua PS i a 150502 MIC SENS NJM455 IGN 1 1 1 TK 890 B H B SPECIFICATIONS GENERAL Frequency Range 1 tee TK 890 450 to 490MHz 480 to 512MHz 2 403 to 430MHz TK 890H 450 to 480MHz Number of Channels 160 channels Channel SPACING assesses aes 25kHz Wide 12 5kHz Narrow Operating Voltage Current Drain tet 0 6A on standby 2 2A on receive TK 890 12A TK 890H 28A on transmit TK 890 13 6V DCx 1596 TK 890H 13 4V DC 15 negative ground Duty Cycle asua snn tentes tbe Transmit 2096 Frequency Stability 0 0002 30 C to 60 C Operating Temperature Range 30 to 60 C 22 F to 140 F Dimensions amp Weight TK 890 7 01 178mm W x 2 36 60mm H x 7 68 195mm D 5 06lbs 2 3kg 7 01 178mm W 2 36 60mm H x 8 98 228mm D 5 7216 2 6kg with KCH 10 TK 890H 7 01 178mm W x 2 36 60mm H 12 88 327mm D 7 92105 3 6kg RECEIVER Measuremen
94. Black lead Black White lead 6 2 Connection for the KES 4 with the remote kit KRK 5 KRK 6DH KRK 7DB KRK 8DBH When output is from the 12 pin accessory con nector on the rear of the control head remote operation Modification of plug 12 pin 1 Remove the plug from the accessory connector 12 pins on the rear of the control head 2 Cut off the end of the rubber cap insert the KES 4 speaker cable into the cap and insert it into pins 10 and 11 3 Install the plug and rubber cap on the accessory connec tor on the rear of the control head then clamp the bottom of the rubber cap with the supplied tie wrap Plug 12P Speaker cable To KES 4 Fig 9 If the KCH 10 is used If the KSP 1A or KES 4 is connected to the 12 pin acces sory connector cut the internal speaker wire at the base of the speaker If the internal speaker is used cut the wire connected to pins 10 and 11 of the 12 pins accessory connector at the base of the connector Fig 10 Rear of the control head Fig 10 19 TK 890 B H B 20 INSTALLATION 6 3 Modification to increase the audio output of the control head The speaker output can be increased to 13W by moving jumper resistor 0 ohm R628 on the control unit 57 562 B 3 to R627 In this case the KCH 10 internal speaker can not be used because the maximum input 3W of the inter
95. C210 TS EEE BRIE EME i TX DRIVE AMP d 4 DAN235K 28CA226 R24 8 esame 5 RIPPLE FILTER San olo 9 C201 R203 C202 Q205 E a v ODDS A Rabe R320 0 5p lu 33 SEN V 5dBm 5p CN203 348 5 5 9 a i o 1 3 a E Bye A 0204 C219 28C2954 1204 e C229 R224 M57788H 32 FINAL AMP N e m 9 8 C344 ize 20 lt 5 1006 900mV 5563957 25 4989 9 o S Ad 318 ale E STS 4 2 3 52 57 5 7 18n 39 10 1 1 8887 9301 552 one bec 4 7 12366 2399 4 37V 5 11 n 2 51 81 8 28C4115 GR a 916 1 2 1 1 soara 5 Loamy ggo R225 enil Eid a R821 L301 e D304 71 L307 e C355 R337 ais gt SES 925 277 81 44 e Il 2 10 10 ov ib NT D 2 7 7 7 7 7 o lu 1SV282 12 C337 A 0 AT ol 852 o 5dBm m e R16 8 75V 5 ols 3265 asco T EE wl to ofa olx o a S STO 8 2 3 m IGS 29 m ve
96. C7S02F 4558 DA85610 U4094BCF 4558 LC73872 75501 2563357 2563356 2503357 DTA144EUA DTC144EUA C4215 Y DTC144EUA 25 4617 5 25 4226 824 2581132 0 8 DTC114EUA 2563357 2562954 DTC114EUA 2581132 0 8 2SC4116 GR 25 3722 5 25 508 52 C4116 Y C114EUA C4226 C3356 C4226 CO CO CO 02 CO CO CO CO 02 CO 2 CO CO CO 02 CO FER A FT REGIS FFER AMP DE EMPHASIS TRA TRA TRA TRA TRA TRA TRA TRA gt c TRA TRA TRA TRA CO CO CO CO CO TRA TRA G SWITCH EGISTER A RO POW DER R AMP RANSISTOR RANSISTOR R ANSISTOR R R ANSISTOR R R RANSISTOR R R R R ANSISTOR R R R DTC114EUA 157 503 53006 157 302 53008 W02 1939 05 DIGITAL TRANSISTOR THERMISTOR THERMISTOR DBM KCH 10 A62 0606 13 E37 0787 05 G53 0838 03 G53 0839 14 G53 1523 04 H10 6622 02 H11 0894 04 H13 1059 04 H25 0029 04 H25 0103 04 H25 0117 04 H52 1271 02 21 8417 04 39 0625 04 29 4664 0 29 4704 0 29 5251 29 5276 0 29 5277 0 29 5305 03 87 2605 46 87 2608 46 87 3006 46 99 0364 05 07 0265 05 PANEL ASSY LEAD WIRE WITH CONNECTOR
97. CN502 pin 5 is amplified by 521 and passes through a low pass filter 502 to re move audio components The signal is input to pin 25 of the CPU The CPU digitizes this signal and decodes the signal 2 The demodulated signal from CN502 5 is amplified by 504 and passes through a high pass filter 518 and a band elimination filter 524 to remove and DOT This signal is amplified by 521 and inputs pin 91 of the CPU DTMF The demodulated signal from CN502 pin 5 is amplified by 504 and passes through a high pass filter 518 and band elimination filter 24 to remove and This signal inputs pin 1 of the DTMF decoder 525 IC516 CN502 521 1 502 1 502 CPU IC504 518 524 521 DTMF A Decode SD Fig 11 29 TK 890 B H B CIRCUIT DESCRIPTION 30 8 Display Unit The optional display unit front panel unit for the TK 890 B H B comes in two models KCH 10 and KCH 11 8 1 KCH 10 Contain TK 890 This display unit consists of a CPU IC4 containing the LCD driver a reset IC IC2 5V AVR IC1 EEPROM and other components Encoder Channels are changed by the rotary encoder ENC The up down pulses from the rotary encoder enter the CPU and converted to a serial data signal and are sent to the control unit Power supply Power is supplied to the CPU by conver
98. Each Port can be programmed with a function from next Table 36 1 PF Input Port External HOOK Open OFF HOOK Low ON HOOK CH Select A The Channel changes to Remote Channel CH Select B 1 15 If CH Select A D are set H or Open CH Select C the channel is selected by using the v CH Select D keys or UP DOWN Knob User Channel External PTT Open 4 PTT OFF Low gt PTT Scan Open 4 Scan OFF Low 4 Scan Home Channel Open 4 Current Channel Low 4 Home Channel Open 4 LCD Backlight is controlled by DIM Low LCD Backlight is set Low Light Sense Repeater SW Open Repeater inactive Low Repeater Active Dual BAND configuration only External Monitor Open Monitor OFF Low Monitor ON 36 2 PF Output Port Pressing AUXA once Low Pressing AUXA again OPEN COLLECTOR Pressing AUXB once Low Pressing B AUXB again OPEN COLLECTOR Pressing AUXC once 4 Low Pressing C AUXC again OPEN COLLECTOR Receiving correct Low Not recei ing correct OPEN COLLECTOR BUSY 4 Low Not BUSY 4 OPEN COLLECTOR 37 Timed Power Off This function works as Automatic Power Switch Off Timed Power Off timer starts from the ignition off After the timer expires the RADIO will automatically turn off The timer will be reset if the ignition is turned on and off This function requires ignition sense Conne
99. F AG 1kHz 5mV 11 DOT balance 1 CH SIG 1 2 Select BLNC XXX in tune mode ON Deviation meter filter HPF OFF LPF 3kHz De emphasis OFF 2 Up down knob Set the narrow Na in tune mode PTT ON Rear Panel ANT MIC Panel key Wide 4 1kHz PF4 key 0 1kHz Narrow 2 05kHz 0 05kHz TX RX B 3 VR501 Check 2 75 3 25 2 Wide Narrow Make the demodulation wave form neat PF3 key PF4 key Flat the a parts A 73 TK 890 B H B ADJUSTMENT Measurement Adjustment Item Condition z Specifications Remarks MN Unit Terminal Parts Method P 12 0 1 CH SIG 1 4 Power meter Rear PF3 Wide 0 75kHz 0 05kHz deviation Select Deviation PF4 key in tune mode meter PTT ON AF VIVM MIC Deviation meter filter AG HPF OFF Oscilloscope LPF 3kHz De emphasis OFF 2 Up down knob Set the narrow Narrow 0 35kHz 0 025kHz n XXX in tune mode PIT ON 13 DOT 1 CH SIG 1 6 Wide 0 75kHz 0 05kHz deviation Select DODV_XXX in tune mode ON Deviation meter filter HPF OFF LPF 3kHz De emphasis OFF 2 Up down knob Set the narrow Narrow 0 35kHz 0 025kHz Disc DODV XXX in tune mode PTT ON 14 1 CH SIG 1 8 Wide 3 0kHz 0 1kHz deviation Select DTDV_XXX in tune
100. GB1J330J RK73GB1J680J RK73GB1J222J 73GB1J332J 73GB1J102J K73GB1J220J 73GB1J222J 73081473 3 3 R306 GB 1 0 R307 308 22 R309 GB 2 2 R310 311 47 R312 GB 73GB1J102J 73GB1J472J 73GB1J223J 73GB1J223J K73GB1J274J 1 0 R3 GB 47 R3 GB 22 R3 22 R3 270K R3 gt 73GB1J223J K73GB1J183J 73GB1J182J 73GB1J334J 73GB1J472J 22 R3 18 R3 18 R3 R320 325 47 R326 327 K73GB1J332J 73GB1J470J 73GB1J821J K73GB1J5R6J 73GB1J821J 33 R328 330 47 R331 R331 5 6 R331 332 820 R332 73GB1J220J 73GB1J271J K73GB1J180J 73GB1J332J 73GB1J102J 22 R332 R333 8 R333 R333 R334 336 73GB1J104J 73GB1J393J R R337 R R92 1252 05 R R R338 R339 R340 R341 73681 K73GB1J182J I 73GB K73GB 73GB 73GB 73GB R342 343 R344 K73GB 73GB 73GB K73GB 73GB 73GB 73GB K73GB 73GB 73GB1J472J C C C5 CD C2 I R357 358 73GB1J100J 73GB1J473J 73GB1J100J 73GB1J681J K73GB1J222J R359 R361 R363 366 R501 R502 73GB1J473J K73GB1J331J 73GB1J152J 73GB1J472J R92 0685 05 R504 R505 R507 R508 R509 511 TK 890 B H B PARTS LIST TX
101. GR 5 Ap te s 4865 4 amp oe 5 5 1 ols 915 9305 e c333 L308 C356 R339 asc ety E 0202 0207 2 13 gon Q2 w 0934 77 248507 SEE gt 2581132 Q 2581132 Ae SURGE 2 DSDaSUS ov ANT SWITCH a M 2 gt Ta o 2 CN201 LLER 8 73V tex i th qe Sz9 Md gt 15 gt 0 9 950 asa alo 5 R214 47k R218 47k slog al pa al wr ABSORPTION CONTROLLER 2525 229 1 mea OS a 1320 usa T 0V pan wl Q Oo TS A 2 72 DC SW 25 gen hom m si Z s S a B IN 22 R RIPPLE FILTER 5 05V ae m 34 7 ab 0309 n 0103 104 Q203 ji a 5 e 1 10k 5 929 Nee 0306 9 DC SW 4 S E MIX 4 Tk DTC114EUA err se K ade 017 ad 229 ole 2 m 28K508NV K52 R340 Ta d ag LOCAL AMP Awe 8 R359 22 977 R329 jii Q312 Q202 203 Q206 207 413 41955419 10 1 1 OSC DTCi14EUA ose e
102. HR1 HR2 ES1 051 052 Ignition sense input BTL output for external speaker A Remote speaker switch Horn alert signal output 1 Horn alert signal output 2 BTL output for external speaker A BTL output for external speaker B PA BTL output for external speaker B PA Earth ector Remote kit Ignition sense input Power output after power switch 13 6V 13 4 15 Earth MIC signal input MIC earth Auxiliary input 1 FPU selectable Auxiliary input 2 FPU selectable Auxiliary output 1 FPU selectable Auxiliary output 2 FPU selectable Remote speaker output Remote speaker output Non connection 79 X54 3190 10 54 3200 2 11 KCH 10 ONLY poem a a INT SP 982 DISPLAY UNIT ME me X54 B 3 KCH 10 X54 B 2 KCH 11 Pp 1 KCH 10 R18 4 70 KCH 10 ONLY KCH 11 CR13 4 TQ TK 890 B H B TK 890 B H B WIRING CN505 12 CONTROL UNIT 211 SB RSI 0 5 RSVL 11 RSV2 12 AFO E 4 DEO AIS 1 RSI All 29 RSV1 CN203 CNLO4 X45 3570 Poe FINAL UNIT 4 mo ww X57 562 C 3 FINAL UNIT Rar TXS 172 ME MCM mE MIZDI P IGN SB 29 RS1 RS2 1 3 CN506 1 IGN 1 8 HR2 052 051 ES2 ES1 RS1 cns
103. K 8 E 57 5620 10 890 10k 180 180 150 NARROW 4 25V olg o Sw 10 6 7p 6p T 6p 10 10 0 022 820 1 8k 3 o 0 Ne a 1 E m 4 22p 15p 842 SER 125 51 224 7h ot th L X57 5620 11 TK 890 B K2 5p E 5 m m Tp 12 12 10 0 0184 820 1 8k lk 5 6k 180 270 220 112 EUR 5 X57 5620 12 TK 890 B 10 47 47 27 2 2 22 A C K p E o EY Q 5 ERES es TK 890 H CIRCUIT DIAG RAM Note Components marked with a dot are parts of pattern 1
104. K 92 0514 05 CK73GB1H471K CK73FB1E224K 92 0514 05 92 0002 05 92 0606 05 CC73GCH1H030C CC73G6CH1H1R5C TK 890 B H B PARTS LIST TX RX UNIT X57 5620 13 TK 890H B Desti nation Desti nation 0 10UF C624 CK73GB1H102K 0 033UF C625 CK73GB1E103K 0 010UF 47PF C626 C92 0004 05 OUF 0 10UF C627 628 CK73FB1E104K UF C629 630 CK73GB Address Parts No Description Ref Address Parts No Description 73FB1E104K 73FB1E333K C73GCH1H470J 73FB1E104K K73GB1H102K 73GB1E223K 92 0507 05 92 0036 05 73GB1E103K 73GB1H102K C63 CC73GC 632 639 CK73GB C640 092 056 641 642 CK73FB C666 680 CC73GC 92 0003 05 CC73GCH1H100D CK73GB1E223K CK73GB1H102K 92 0036 05 68 CK73GB 682 683 CC73GC C684 CK73GB C C C685 C686 gt 92 0585 05 CC73GCH1H030C CK73GB1H472K 92 0628 05 CC73GCH1H470J C687 C688 689 C690 691 692 C693 92 0507 05 73GB1H472K 73GB1H102K 92 0546 05 K73FB1E104K C694 C92 06 C695 CC73 C696 C92 0 C697 CK73G C698 700 C92 0560 C C 0200 n omn
105. OK 6 8 R92 1252 05 CHIP R 0 OHM R31 0607 05 VARIABLE RESISTOR 10K 540 1420 05 ACT SWITCH 70 0410 15 ACT SWITCH 70 0410 15 ACT SWITCH DA204U DIODE 02CZ9 1 X Y ZENER DIODE DA204U DIODE DA204U DIODE 15930 DIODE 251 DIODE JM78L05UA C AVR RH5VLA42C C RESET 24064 105127 C EEPROM 78064GCA458EU C CPU 2502873 RANSISTOR DTC144EU DIGITAL TRANSISTOR DTC114TU DIGITAL TRANSISTOR DTD114E DIGITAL TRANSISTOR TK 890 B H B EXPLODED VIEW TK 890 B 09 2292 05 M3 x 6 F 32 3006 46 M3 x 6 N33 3006 45 M3 x 6 N35 3006 46 M3 x 8 67 3008 46 M2 6 x 6 Br Tap N87 2606 46 M2 6 x 12 Br Tap N87 2612 46 M3 x 8 Br Tap N87 3008 46 gt 58 Parts with the exploded numbers larger than 700 not supplied TK 890 B H B EXPLODED VIEW TK 890H B M 09 2292 05 M3x6 OC BLK 33 3006 45 9 222 O M3 x6 Bi N35 3006 46 P M3x8 N67 3008 46 Q M4X8 N68 4006 46 2 6 6 N87 2606 46 M2 6x 12 Br Tap N87 2612 46 M3x8 Br Tap 87 3008 46 3 Nx2 Parts with the exploded numbers larger than 700 are not supplied 59 TK 890 B H B EXPLODED VIEW KCH 10 X54 B 3 Vx2
106. OR 10K B38 0801 D ASSY 540 1420 05 ACT SWITCH CC73GCH1 PC 70 0410 15 ACT SWITCH CC73GCH1 PC 70 0410 15 ACT SWITCH CK73GB1H PC DA204U DIODE CC73GCH1 PC 02CZ9 1 X Y ZENER DIODE DA204U DIODE DA204U DIODE 155301 DIODE GBIE PC GB PC GB1E PC GCH1 PC GCH1 PC a 25111 DIODE JM78L05UA C AVR RH5VLA42C C RESET 24064 105127 C EEPROM 78064GCA458EU C CPU LCD DRIVER PC GBIE PC GCH1 PC GB PC TK 890 B H B PARTS LIST DISPLAY UNIT X54 3200 20 KCH 11 Desti nation Desti nation 40 5953 0 PIN ASSY W02 0393 05 ENCODER 40 5704 0 PIN ASSY 40 5952 0 PIN ASSY 40 5738 0 PIN ASSY 40 5823 0 FLAT CABLE CONNECTOR Address Parts No Description Address Parts No Description E56 0410 RF COAXIAL RECEPTACLE MIC CONNECTOR E37 0703 0 LEAD WIRE WITH CONNECTOR L78 0043 05 RESONATOR 4 19MHZ RK73GB1J102J 7 2 561 R92 2023 05 R R 92 0670 05 73GB1J102J OOOO O 73FB2A 736 1 73GB 41029 4102 4102 73FB2A331J R92 2063 05 RK73FB2A181J R92 2063 05 R92 2023 05 C c occ RK73GB1J473J RK73GB1J102J RK73GB1J473J RK73GB1J103J RK73GB1J682J
107. PROM serial clock Acc HR EEPROM serial data Compander H ON L OFF 33 TK 890 B H B SEMICONDUCTOR DATA 34 Shift register 2 on control unit 1C517 Action MIC mute Mute L Unmute Audio line SW BPFDE EMP DET line SW Audio mute 1 Modem RG1 Modem RG2 MOD line SW gt Audio mute 2 Shift register on TX RX IC201 Name STR SRR Action TX RX VCO SW RX VCO SW Not used Not used 8R SW Wide Narrow SW Narrow L Wide Not used Audio Power Amplifier TDA85610 Control Unit 522 Terminal description Description Non inverting input 1 Signal ground Inverting input 2 Supply voltage ripple rejection Supply voltage 1 ground 1 0 011 2 nnected 3 ground 2 Output 4 Supply voltage Mode select switch input Inverting input 3 Diagnostic output Non inverting input 4 Block diagram power stage OUT2 power stage stand by switch MODE stand by reference PROTECTIONS 4 voltage thermal short circuit mute switch 2111 reference voltage mute switch Cm power stage input mute switch VDIAG reference v
108. SP PACKING PANEL ASSY PACKING SP PACKING VOL POLYSTYRENE FOAMED FIXTURE POLYSTYRENE FOAMED BOARD CARTON BOARD PROTECTION BAG 60 110 0 07 PROTECTION BAG 125 250 0 07 PROTECTION BAG 80 250 0 07 TEM CARTON CASE HARDWARE FIXTURE MIC CONNECTOR SPACER TX BUSY OB VOLUP DOWN 0B ACSY Y TOP OB ACSY 08 ACSY OB ACSY RAZIER HEAD TAPTITE SCREW RAZIER HEAD TAPTITE SCREW RAZIER HEAD TAPTITE SCREW CREW SET ACSY PEAKER AY UNIT X54 3190 20 KCH 10 B11 1148 B11 1149 0 B30 2140 0 B30 2194 0 30 2193 B38 0800 CC73GCH CC73GCH CK73GB1 CK73GB1 CC73GCH CK73GB1E103K CK73GB1E223K CK73GB1E103K CC73GCH1H101J CC73GCH1H101J ILLUMINATION GUIDE FILTER LED YEL ED GREEN LED RED LC CH CH CH CH CH CH CH TK 890 B H B DISPLAY UNIT X54 3190 20 KCH 10 KCH 11 DISPLAY UNIT X54 3200 20 KCH 11 PARTS LIST Desti nation CK73GB1E103K PE 0 0100 2502873 TRANSISTOR CC73GCH1H101J PL 100PF J DTC144EU DIGITAL TRANSISTOR CK73GB1H102K PC 1000PF K DTC144EU DIGITAL TRANSISTOR DTC144EU DIGITAL TRANSISTOR E29 1192 04 NTER CONNECTOR DTC114TU DIGITAL TRANSISTOR 40 5953 05 ASSY 40 5704 05 ASSY DTD114EK DIGITAL TRANSISTOR 40 5952 05 ASSY 40 5738 05 ASSY W02 0393 05 ENCODER Desti Address Parts
109. TK 890 B TK 890H B SERVICE MANUAL REVISED gege wn B51 8439 10 N 1233 This service manual applies to products with 30300001 or subsequent serial numbers KCH 10 and KCH 11 are applicable to the productions June 2001 and after In terms of the products with the serial numbers earier than 30300001 refer to the TK 890 B H B service manual as per part No B51 8439 00 and the TK 890 B service manual as per part No B51 8457 00 TK 890 or TK 890 B with KCH 10 Cabinet Upper Panel assy A01 2161 02 A62 0606 13 Cabinet Lower Knob A01 2162 02 K29 4664 04 x 2 KCH 11 Knob Panel assy K29 4664 04 x 2 A62 0607 13 Cabinet Upper TK 890H B 01 2163 01 Cabinet Lower A01 2164 01 TK 890 B H B CONTENTS GENERAL GENERA Le a 2 SYSTEM SET UP 4 OPERATING FEATURES erret peintre uu 5 TION Ee 16 DISASSEMBLY FOR REPARR I 22 CIRCUIT DESCRIPTION 26 SEMICONDUCTOR DATA u ertt netten see 32 DESCRIPTION OF COMPONENTS 36 PARTS ep DE 39 EXPLODED VIEW Z au aa ter rh aaa 58 PACKING 62 ADJUSTMENTS 66 TERMINAL FUNCTION as AAG 76 WIRING 79 PC BOARD VIEWS CIRCUIT DIAGRAMS DISPLAY UNIT X54 3190
110. TY CARD ACSY G02 0709 04 FLAT SPRING AUDIO AMP B62 0970 10 INSTRUCTION UAL 607 0715 04 FLAT SPRING AVR B72 1454 24 ODEL NAME PLATE G53 0712 03 PACKING DC ACC B72 1456 14 ODEL NA E G53 0838 03 PACKING KCH 10 PANEL ASSY B72 1457 24 ODEL NA E G53 0839 14 PACKING KCH 10 SP G53 0869 03 PACKING CABINET UPPER 04 0167 05 COAXIA ACLE M G53 0900 03 PACKING CABINET LOWER E31 3269 05 LEAD WIRE WITH PIN PLUG RA DO G53 1523 04 PACKING KCH 10 VOL E37 0708 05 LEAD WIRE WITH CONNECTOR ACC 9P E37 0728 05 D WIRE WITH CONNECTOR DC 2P 10 6621 02 POL RENE FOAMED FIXTURE E37 0733 05 HORT PLUG SP ACSY 11 0896 04 PO RENE FOAMED BOARD 12 1403 04 PA FIXTURE E37 0772 15 LEAD WIRE WITH CONNECTOR D SUB 25P 13 1066 04 BOARD E37 0776 05 FLAT CABLE CONT TX 18P 25 0029 04 P BAG 60 110 0 07 F09 0445 05 CAP D SUB H25 0103 04 BAG 125 250 0 07 F10 1479 03 SHIELDING PLATE H25 0117 04 BAG 80 250 0 07 F29 0472 04 INSULATING COVE H25 0194 04 BAG 280 400 0 07 H25 2063 04 BAG 80 120 0 03 602 0599 04 SPRING APC H52 1230 02 ON CASE 602 0709 04 SPRING AUD 602 0715 04 SPRING AVR 19 1584 05 C ACSY G53 0712 03 PACKING DC ACC 21 8346 04 E FIXTURE DC ACC G53 0869 03 ING CABINET UPPER 21 8417 04 FIXTURE KCH 10 MIC CONNECTOR 29 0422 13 ACSY G53 0900 03 CKING CABINET LOWER 39 0625 04 KCH 10 TX BUSY
111. W TK 890 2A 2B 32 3006 46 FLAT HEAD MACHINE SCREW A01 2161 02 CABINET UPPER 1 3 33 3006 45 OVAL HEAD MACHINE SCREW A01 2162 02 CABINET LOWER 35 3006 46 BINDING HEAD MACHINE SCREW 10 1388 11 CHASSIS 2B 67 3008 46 PAN HEAD EWW A62 0606 13 PANEL ASSY KCH 10 Parts No Description Address Parts No Description 87 2605 4 RAZIER H SCREW KCH 10 B42 2455 0 STICKER 4 8 MAX 87 2606 4 RAZIER E SCREW B46 0470 0 WARRANTY CARD ACSY 87 2608 4 RAZIER H SCREW 10 B62 0970 NSTRUCTION MANUA 87 2612 4 RAZIER E SCREW B72 1454 2 ODEL NAME PLATE 5 87 3006 4 RAZIER SCREW KCH 10 E04 0167 05 RF COAXIAL PECEPTACLE M 87 3008 46 BRAZIER E SCREW E30 3318 15 DC CORD ASSY ACSY 99 0321 05 SCREW 5 ACSY E31 3269 05 LEAD WIRE WITH LUG RA DO E37 0708 05 LEAD WIRE WITH OR ACC 9P i T07 0265 05 SPEAKER E37 0728 05 LEAD WIRE WITH OR DC 2P 91 0587 25 C 27 ACSY E37 0733 05 SHORT PLUG 5 ACSY 37 0772 15 LEAD WIRE WITH D SUB 25P 37 0776 05 FLAT CABLE CO 8P E37 0787 05 LEAD WIRE W OR KCH 10 TK 890 B 05 1537 05 FUSE BLADE CSY 01 2161 02 CABINET UPPER 09 0445 05 CAP D SUB 01 2162 02 CABINET LOWER F10 1479 03 SHIELDING PLATE F A10 1388 1 CHASSIS F29 0472 04 NSULATING CO B42 2455 04 STICKER M4X8 MAX G02 0599 04 FLAT SPRING APC B46 0470 00 WARRAN
112. W 025 225 25 N20 SFE a e y QAO ass 1 eod 5 0310 222 925 MPN Ago 188 NTS cas 2S8C3722K 5 of are 25 4116 eR342 2 5 9 91599 Ic2o2 ofa bq eo 1 lt m Y m 1 0304 pam s 0307 Tk NJMT8LOSUA j CN502 CN5017 m m 1 R5 ATO 4 1 S lt p 11 9 NV K52 12 DC SW 4 4 7 CNZOZ N At 16 8MHz 2 M vt alela 2SC3722K S o 8 2SK508 bto obs 4 AVR i 18 n i x Hm 21 X 9 548 oma IE o 410301 9 5 5 LOOP 9 OSC 4 55 4 4 vmo 9 A SATO25DK FILTER UL DC SWIT 7 a3 Q6 EP 2SC2712 Y 2SC2712 Y cP DC SWITCH PETS MB OMA M rh x SB i Q4 gt ee B 0 DTC144EUA i DT 5 gt OS Bs ES 2 O O SWIT ooo e 9 eee x ee eee ee a 5 57 5620 3 5 307 2SK508NV K52 305 5 E 102 105 DAN235K 0101 102 104 204 25 3357 Q 08 310 CN103 22 8 S We mL 058
113. You can communicate without using a re peater To use a repeater press TA again A confirmation tone sounds and goes off 9 Horn Alert HA If you are called from the base station using 2Tone DTMF while you are away from your transceiver you will be alerted by the vehicle horn or some other type of external alert To turn the horn alert function on press the HA Key A confirmation tone sounds and the display shows HORN ALERT or HA If HA is pressed again the horn alert function is turned off TK 890 B H B OPERATING FEATURES 10 Public Address PA Public Address amplifies the microphone audio and out puts it through a PA speaker PA is activated by pressing the PA Key A confirmation tone sounds and the display shows PUBLIC ADDRESS or PA PA can be activated at anytime scanning or non scanning The RADIO continues to scan amp receive calls while in PA mode Pressing PTT activates PA and will override an in coming call at anytime however no RADIO transmission takes place If PA is pressed again a confirmation tone will sound the display will return to the normal channel or SCAN display and the PA function will turn off 11 Speaker Internal External SP SP amplifies the received audio from the RADIO and out puts it through a PA speaker SP is activated by pressing the SP Key A confirmation tone sounds and the SP icon is dis played SP can be activated at anytime scanning or
114. ansceiver Turn on the power switch on the slave side transceiver as usual 2 Connect the master and slave side transceivers with a cloning cable 44 2 All Clone 1 Enter the All Clone Mode from the clone mode with the Up down knob 2 Press the PF5 key to start cloning Cloning cable Part No E30 3370 05 44 3 Group Clone 1 Enter the group clone mode from the clone mode with Up Down knob 2 Press the PF5 key to enter the master group select mode Select the master group with Up Down knob Master side display A CLONE ALL CLONE 5 ide displ Data cloning MESE Busy LED User mode TX LED off Busy LED off 3 Press the PF5 key to enter the slave group select mode Select the slave group with Up Down knob 4 Press the PF5 key to start cloning Note The transceiver does not enter the clone mode if it is disabled with the FPU To clone the transceiver both trans ceivers must be same If the panels frequency ranges op tional board are different they cannot be cloned Master side display G CLONE GROUP CLONE GRP Slave side display User mode 1M GROUP 1M Up Down GRP 160M GROUP 160M PF5 GRP 1S GROUP 15 Up Down GRP 100S GROUP 100S TX LED on Data cloning Busy LED on User mode TX LED off Busy LED off 15 TK 890 B H B INSTALLATION 1 Contents 2 3 Install the accessory knobs e Front pa
115. ary input output Non connection Audio mute input No change L MIC mute input No change L Mute Sidetone input Speaker mute input No change L Data input Mute Unmute Control E RST 1 2 MIC earth MIC signal output Earth RESET signal input Remote head 1 2 signal input L Head 1 H Head 2 TRD TX data output RX data input PS Power switch control signal output IGN Ignition sense output SB Power input after power switch 13 6V or 13 4 15 Remote speaker input Remote speaker input RS1 RS2 CN2 RS1 To RS2 Remote speaker Remote speaker output Remote speaker output CN508 To voice scrambler 10 11 12 13 14 MCI AC BC1 BC2 BC3 BC4 TXD2 RXD2 DEO PTO 8C E OOO OOOOO MIC signal input MIC signal output Detection signal input Audio control signal output H OPT SW off L On Scramble code output Scramble code output Scramble code output Scramble code output TX data output 2 RX data input 2 Detection signal output PTT signal output Common 8V output Earth CN3 To Acc 12 pin connector Ignition sense input Power output after power switch 13 6V 13 4 15 Earth MIC signal input MIC earth Auxiliary input 1 FPU selectable Auxiliary input 2 FPU selectable Auxiliary out
116. ays supplied to the IGN terminal If 24V DC is supplied to the transceiver by mistake O502 is turned on then O503 and O519 are urned off to protect the transceiver turned off 2 Turning the transceiver on with a power switch then urning the transceiver off with the Timed Power Off TPO function POF is controlled by CPU s TPO function POF is to turn the transceiver off The POF logic signal is eed through Q507 and Q506 then 8 pin of IC501 to turn he transceiver off 3 Turning the transceiver on with IGN SENS then turning he transceiver off with TPO function If IGN is turned on 543 0542 are turned on then the IC501 detects the change 501 outputs the signal to turn Q541 off then Q503 and Q519 are turned on When POF is detected by 6 pin of IC501 O541 is turned on then O503 and O519 are turned off POF PS Fig 10 Power supply circuit 7 Signalling Circuit 7 1 Encode OT DOT The CPU IC516 transmits the encode data selected by the program The data items are output from CPU pin 34 The signal from this pin passes though the CR low pass filter and goes to the summing amplifier 510 in the mi crophone amplifier DTMF The DTMF encoder 511 transmits the encode data The encode data is passed to the D A convertor IC512 for DTMF deviation adjustment and goes to 505 in the IDC circuit of the microphone amplifier 7 2 Decode OT DOT The demodulated signal from
117. ceiving a sig nal the RADIO watches a signal on the 1 Channel periodically When signal exists on the 1 Chan nel the channel will change from the Priority2 Channel to the Priority1 Channel If there is no Priority Channel programmed the scanning stops at a channel and receives only that channel b If the SCN Key pressed again Scan Mode ends at the revert channel and two confirmation tones sound 4 2 To Delete Undesired Channels To temporarily delete undesirable channels press D A Key while the channel is displayed and scanning resumes To temporarily delete Priority Channel 1 or 2 set the Prior ity Temporary D A function to YES You can t delete a channel in Scan Mode under the fol lowing conditions Priority Scan There is only channel beside the Priority Channel in the Scan sequence Non priority Scan There are only 2 channels in the scan sequence To re store the original scan sequence either turn scan off and on or turn the RADIO off and on 4 3 To Enter Carrier Squelch Scan While Scan is On If you have pressed the MON Key the MON indicator is turned on and the RADIO operates in carrier squelch scan 5 Adding Channels and Groups to the Scan Sequence 1 Channels To add the currently displayed channel to the scan se quence press D A Key The CH ADD indicator lights and the channel is added to the scan sequence 2 Groups To add the currently d
118. cket H25 0117 04 J29 0422 13 55 Knob 45 carton case K29 5276 03 3 TK 890 H52 1230 02 TK 890 56 Knob H52 1231 12 TK 890 B K29 5277 03 40 Protection bag 57 Knob H25 0029 04 K29 5305 03 53 Knob UPC code label K29 4704 04 x 5 62 Parts with the exploded numbers larger than 700 are not supplied TK 890 B H B PACKING TK 890H B K 107 Warranty card 846 0470 00 137 Polystyrene foamed board 108 Instruction manual H11 0815 04 B62 0970 10 135 Inner packing case H02 0604 03 143 Protection bag H25 2063 04 116 Short plug SP E37 0733 05 122 Insulating cover F29 0472 04 150 Band J61 0307 05 144 Protection bag H25 0103 04 145 Protection bag H25 0724 04 159 Screw set N99 0365 05 138 Polystyrene foamed board H11 0853 04 142 Carton board H13 1066 04 140 Packing fixture H12 1410 04 141 Packing fixture H12 1422 04 139 Polystyrene foamed board 2 H11 0892 04 136 Polystyrene foamed fixture H10 6617 11 146 carton case H52 1232 12 UPC code label Parts with the exploded numbers larger than 700 are not supplied 63 TK 890 B H B PACKING KCH 10 M 210 Carton board H13 1059 04 209 Polystyrene foamed board H11 0894 04 225 Screw set N99 0364 05 213 Protection bag H25 0117 04 221 Knob K29 5276 03 222 Knob K29 5277 03 223 Knob K
119. control unit CN502 Remove the 5 screws Removing the Final Unit X57 562 C 3 Remove the 2 screws holding the power module to the frame With a screwdriver remove the leaf spring holding the Q2 to the frame Desolder the power module Remove the 2 screws holding the lead terminal from DC connector 2P on the rear Remove the 8 screws holding the PC board Desolder CN4 on the antenna connector TK 890 B H B DISASSEMBLY FOR REPAIR TK 890H B Removing the Case and Shield Cover 3 Removing the Final Unit X45 357 Remove the 12 screws and remove the upper and 1 Remove the 2 hexagonal bosses lower halves of the case Remove the 6 screws holding 2 Remove the 3 screws holding the power module the upper half and the 6 screws holding the lower half and transistor to the frame Remove the 2 screws and remove the shield cover 3 Desolder the power module 4 Remove the 1 screw 6 holding Removing the TX RX Unit X57 562 A 3 5 Remove the 4 screws holding the final transistor 4 6 Remove the 2 screws holding the lead terminal Remove the 7 screws 0 and remove the PLL shield from DC connector 4P on the rear case 7 Remove the 13 screws holding the PC board Remove the connector CN201 and coaxial plugs 8 Desolder W3 on the antenna connector CN104 CN203 from the
120. ct the igni tion line to the 9 pin connector which is located at the rear of the RADIO After the timer expires you can turn the transceiver on again with 2 methods below 1 Timed power off function Default Press the power switch 2 Ignition function amp Timed power off function Turn the ignition on 38 Emergency Active tome Automatic transmission period in the emergency mode Interval Time Interval time between the automatic tansmissions Duration of Locator Tone 1 Duration of an alert tone before the automatic transmis sion is performed Duration of Locator Tone 2 Duration of an alert tone after the automatic transmission is performed Emergency Channel Display Setting for the display in the emergency mode The transceiver can be programmed to display EMER GENCY channel name when it is in emergency mode If you set to off by KPG 44D the transceiver shows selected group channel status before entering to the emer gency mode however the transceiver is in an emergency mode TK 890 B H B OPERATING FEATURES Emergency Mode Type Speaker mute on or off in the emergency mode Emergency Type Select an Emergency code format from DTMF MSK ANI board or OFF Disabled Emergency ID The emergency ID code when you select in the emergency type Emergency Call Fleet The emergency fleet number when you select MSK in the emergency type
121. cy Range 400 to 512MHz Digital Volt Meter DVM Oscilloscop High sensitivity Frequency Counter Measuring Range Accuracy Frequency Range Frequency Stability 1 to 20V DC High input impedance for minimum circuit loading DC through 30MHz 10Hz to 600MHz 0 2ppm or less Ammeter 30A AF Volt Meter AF Frequency Range Voltage Range 50Hz to 10kHz 3mV to Audio Generator AG Distortion Meter Frequency Range Output Capability Input Level 50Hz to 5kHz or more 0 to 1V 396 or less at 1kHz 50mV to 10Vrms Voltmeter Measuring Range Input Impedance 10 to 1 5V DC or less or greater 40 Dummy Load Approx 4Q 30W Regulated Power Supply Caution Since the RX AF output is a BTL output there is a DC Component Isolate this with a capacitor or transformer as shown in the figure MIC connector Front view HOOK MICG MIC Earth TRD NC DM BLC NC NC N 68 Test cable for microphone input 3 MIC WHT 2 226 Cut PTT SW 5 PTT BLK 2 HOOK GRY 3 MICG Shield gt Adjustable from 9 to 17V 30A Useful if ammeter equipped 10 PTT BLU Distortion To SP AFVTVM meters SP 220y 16V Test cable for speaker output 00 Crimp terminal E23 0613 05
122. d 3 The cable provided with the radio is sufficient to handle the maximum radio current demand If the cable must be extended be sure the additional wire is sufficient for the current to be carried and length of the added lead 5 INSTALLATION PLANNING CONTROL STATIONS 5 1 Antenna system Control station The antenna system selection depends on many factors and is beyond the scope of this manual Your KENWOOD dealer can help you select an antenna sys tem that will best serve your particular needs 5 2 Radio location Select a convenient location for your control station radio which is as close as practical to the antenna cable entry point Secondly use your system s power supply which supplies the voltage and current required for your system Make sure sufficient air can flow around the radio and power supply to allow adequate cooling 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 TK 890 B H B SYSTEM SET UP Before Reading About System Set up The TK 890 B H B is a transceiver main unit without 3 Remotely control one radio with two controllers Form panel or speaker that you complete by adding options Radio KRK 6DH KCH 10 11 two KCT 22M M2 The options are classified into three types according to M3 two operation and function 4 Remotely control two radios with one co
123. determined Home Channel by pressing the HC Key HC can be activated as follows HC has been set as HC Fixed Non Scan Scanning Scan Mode temporary stopping press HC once Change to Home Channel press HC again No effect CASE HC has been set as HC Toggle Non Scan Scanning Scan Mode temporary stopping press HC once Change to Home Channel press HC again Return to Change to Return to current channel Revert Channel current channel 15 Squelch Level SOL This function allows the radio operator to manually adjust the squelch threshold in 16 steps Level 0 15 via the front panel controls To adjust the squelch level 1 Press the SOL Key A confirmation tone sounds and the RADIO enters Squelch Level Adjust Mode In this mode all signallings are canceled and audio is unmuted The display shows SQUELCH XX or SOL XX XX squelch level 2 Change the squelch level by pressing and v Keys or rotating the UP DOWN Knob 3 Press SOL again A confirmation tone sounds the dis play returns to the normal channel the level setting is memorized and Squelch Level Adjust Mode will turn off This feature can be initiated when the RADIO is not in scanning mode 16 Operator Selectable Tone OST This function allows the radio operator to change the pre set decode encode QT DQT You can select Dec Enc OFF
124. disabled from the other control head is pressed once the channel increases by one step is held down for 1 second annel increases continuously is pressed once the channel ases by one step is held down for 1 second nnel decreases continuously is pressed once the group increases by one step A is held down for 1 second he group increases continuously is pressed once the group ses by one step is held down for 1 second the group decreases continuously The RADIO works as a repeater Dual HEAD configuration only Dual BAND configuration only Emergency Call EMG To start an Emergency Call press EMG 19 LCD Display Description This function needs the ANI board Note 20 CALL Flashes when the RADIO is called by proper Optional Signalling or 2Tone If Signalling has been set CALL lights after transmitting 21 MON 22 SCN Lights when MON is pressed Signalling squelch is disabled Indicates when scan mode is enabled 23 SP 24 OPT Lights when PA speaker is selected for audio output Lights when the optional board that is installed inside the RADIO is enabled Optional Board Scrambler Lights when AUXA is pressed The PF Port that is programmed with AUX A is ON Lights when AUXB is pressed The PF Port that is programmed with AUX B is ON TK 890
125. er left side E 450 470 Transmission and reception at the low edge TK 890H B only RF power POW XXX _ Three digits on the upper left side H 470 480 Transmission and reception at the high edge TK 890H B only RF low power LPOW XXX LOW POWER XXX Max deviation XDV XXX MAX DEV XXX Wide Narrow item Max deviation XDV XXX _ _ Three digits on the upper left side __ L Low Transmission and reception at the low edge Max deviati DV XXX MAX DEV XXX Three digits the upper left side C Center Transmission and reception at the center Max deviati DV XXX MAX DEV _ Three digits on the upper left side High Transmission and reception at the high edge DOT balance XXX BLNCE Wide Narrow item OT deviation OTDV XXX _ _ _ _ _ _ Wide Narrow item DOT deviation DODV XXX DOT DEV XXX Wide Narrow item DTMF deviation DTDV XXX DTMF Wide Narrow item MSK deviation MSDV XXX MSK DEV Wide Narrow item Sensitivity SENS XXX SENSE XXX Wide Narrow item Sensitivity SENS XXX SENSE Three digits on the upper left side L Low Transmission and reception at the low edge Sencitivity SENS XXX SENSE Three digits on the upper left side C Center Transmission and reception at the center Sensitivity SENS XXX SENSE XXX Three dig
126. ethods 1 Assign this function to the OPT key by using the pro gramming software KPG 44D When the OPT key is pressed the oer indicator comes on and the optional scrambler function is enabled When the key is pressed again the opt indicator goes off and the function is disabled 2 Assign the optional scrambler function to each channel by using the programming software KPG 44D The op tional scrambler function can be used without pressing the OPT key 3 1 Code setting The code can be set by two methods 1 Hold down the OPT key to enter the code setting mode Codes 1 to 16 will be displayed Set a code by turning the Up Down knob When the OPT key is pressed again the code setting mode terminates 2 Set a code for each channel by using the programming software KPG 44D 3 2 Voice scrambler board connection Modification 1 Remove the upper half of the case of the TK 890 2 Remove R515 and R604 on the control unit 57 562 B 3 Refer to page 21 Connection The functions of pins of CN508 on the control unit X57 562 B 3 are shown in the figure Join the CN508 connector to the voice scrambler board via the E37 0808 05 connector cable CN508 _ Voice 1 scrambler MCI MIC signal input MCO MIC signal output DEI Detection signal input AC Audio control signal output BC1 Scramble code output 1 BC2 Scramble code output 2 BC3 Scramble code output 3 BC4 Scramble code o
127. f the TK 890 2 Move jumper resistor 0 ohm R691 on the control unit X57 562 B 3 to R692 To make the HR2 pin remove R692 Refer to page 21 3 Remove screws and erect the PC board Install and sol der relay K501 Part No S76 0407 05 4 Reinstall the PC board and the upper half of the case Modification 1 Modification 2 Absent Absent Default Present Absent Present Present Present 0 0 1 LUN HR2 Absent Present HR1 O O HR1 gm Bom Table 2 Refer to page 21 8 Accessory Terminal Function 8 1 25 pin accessory terminal Pin 13 MI DI MIC Signal Input Output Data Audio Input This pin has one of the two functions listed in Table 3 by setting jumper resistors 0 ohm R640 and R641 on the control unit 57 562 B 3 Refer page 21 1 MIC signal input output This pin is directly connected to the MIC input pin of the transceiver so it has the same function as the MIC input pin When the input is 5mV 3 kHz DEV 600 ohms modulation is obtained The MIC input is output from the transceiver panel as it is 2 Data audio input The signal from this pin passes through the LPF fc about 10kHz is summed with the MIC AMP output and goes to the modulator Therefore it is not preemphasized Pin 14 SB DC Power Output After Power Switch The maximum output 13 6V TK 890 B 13 4V TK 890H B be obtained by modifying the control un
128. from the Minimum channel the chan nel changes to the Maximum channel 32 2 Dead End When GR UP is pressed or the GR UP DOWN Knob is turned CW from the Maximum group the group doesn change When CH UP is pressed or the CH UP DOWN Knob is turned CW from the Maximum channel the channe doesn t change When v GR DOWN is pressed or the GR UP DOWN Knob is turned CCW from the Minimum group the group doesn t change When v CH DOWN is pressed or the CH UP DOWN Knob is turned CCW from the Minimum channel the chan nel doesn t change 11 TK 890 B H B OPERATING FEATURES 33 Minimum Volume When the Volume Knob is adjusted fully counterclock wise the audio level is set to the Minimum Volume level which is programmed by the FPU 34 Dead Beat Disable DBD If the RADIO receives a DBD Code 1 7digits the RA DIO returns an acknowledgment signal automatically and transmission is disabled This TX INHIBIT condition is memorized If the RADIO receives a DBD Reset Code DBD Code the RADIO returns an acknowledgment signal automati cally and transmission is Enabled 35 ANI Board The ANI board contains functions which you can use To use the function you select that function on the ANI board 36 Accessory Programmable Function Port PF Port The RADIO has 13 PF Ports HEAD 12 pin PF Input Port 2 PF Output Port 2 DECK Dsub 25 pin PF Input Port 5 PF Output Port 4
129. h ROM access port Serial interface TEST imed Power OFF Modem TRD ot used Modem RTM 5V decoder STD D A converter Interface CS Shift register 2 Control CS EEPROM CLOCK Common DATA EEPROM DATA DTMF decoder CLOCK Reserved AVDD 5V Acc PF Input 1 AVREFO 5V Acc PF Input 2 IN Acc PF Input 4 RSI RSSI IN Acc PF Input 3 ASQ Analog squelch Acc PF Input 5 UL PLL UNLOCK 2tone pulse IN SD decoder SD TX power SW Modem RDT Reserved Acc SO OUT L BUSY Not BUSY gnition IN GND GND Acc PF Outpu TO QT DOT OUT Acc PF Outpu CP PLL CLOCK Acc PF Outpu AVREF1 5V Acc PF Outpu RXD2 Acc RXD TXD2 Acc TXD Deck 1 2 L Deck 1 Deck 2 ES 32 Shift register TX RX CS Beat shift TK 890 B H B SEMICONDUCTOR DATA Microprocessor 78064GCXXX8EU Display Unit IC4 Terminal function Pin name Action Action PTT IC PTT Not used K5 MON key Serial interface RXD K6 PF6 key Serial interface TXD K7 PF1 key Not used K8 PF2 key Full GND K9 PF3 key Full X tal 4 19MHz PF7 key Full X tal 4 19MHz 5V 5V WIN 5V Not used
130. he microphone 1 to 1 5 inches from your mouth Release PTT when your message is complete Listen for a re sponse 3 When your conversation is finished replace the micro phone on its hook 4 Scan Operation 4 1 General There are two Mic HOOK scan modes in which the RADIO can be programmed to operate ON HOOK Scan Normal method of scanning that requires the microphone to be ON HOOK hanged on the Mic Hanger to initiate scan OFF HOOK Scan The microphone does not have to be ON HOOK to initiate scan or to scan channels TK 890 B H B OPERATING FEATURES 1 The scan feature is initiated by pressing the SCN Key 2 A single confirmation tone sounds and scanning starts If there is only one or no added channels an error tone will sound and scanning will not start 3 The display shows SCN icon and SCAN or the OFF HOOK Revert Channel Number FPU setting 4 If the RADIO receives a proper signal while scanning scanning stops temporarily audio is unmuted and the channel number or name is displayed If either Priority1 or Priority2 is programmed scanning stops at a Normal Channel by receiving a signal the RADIO watches for a signal on the Priority Channel periodically When a signal exists on the Priority Channel the channel will change from the Normal Channel to Pri ority Channel If both Priority1 and Priority2 are programmed and scanning stops at the Priority2 Channel by re
131. he function of these Keys can be programmed by the FPU Function 1 Key top name Description Note No Function function Default setting of PF1 9 Monitor MON f MON is pressed once while he RADIO is waiting for reception all signalling squelch is canceled f MON is held down for 2 seconds noise squelch is canceled and the audio is unmuted Default setting of MON Full function panel all singalling OT DOT 4 2 TONE DTMF Public Address Start and stop the scanning sequence The RADIO works as a PUBLIC ADDRESS amplifier Default setting of SCN Full function panel Horn Alert HA When the RADIO receives a the optional signalling calls that are assigned to the channel the HA relay turns on Talk Around TA Use this function to communicate with other operators directry without using a repeater Intercom IC Use this function to communicate between the HEAD1 and HEAD2 operator without transmitting Dual HEAD configuration only TK 890 B H B OPERATING FEATURES Function Key top name Description Channel Name AN Speaker Internal External SP Switches the display between Group Channel No and Group channel name Switch the audio output between Internal speaker and PA speaker Delete Add D A Changes the Scan DELETE ADD setting of each channel or group Pres
132. he signals are mixed and the resulting signal is fed through CM coupler ransmit receive switching relay K1 and the low pass filter o the antenna connector CM coupler is a line for detecting traveling and reflected waves Traveling waves are detected by D1 D3 and fed hrough the APC control to differential amplifiers Q5 which compare the signal level with the reference voltage of PC uned The output is amplified by DC amplifier 4 to control APC DC amplifier Q3 O4 controls the power supply voltage for he power module keeping the transmitter output constant To protect the transmitter power amplifier stages there are wo protection circuits which one is against abnormal an enna loading and the other is against overheating If an abnormal antenna load is connected the reflected wave level increases Reflected waves are detected by D2 D3 and the output level is fed to the differential amplifier O5 leading to the transmitter output power being reduced in the way already described If an abnormal high temperature is detected by the thermistor TH1 DC SW 01 is made to duce the reference voltage of the PC tuned This also leads to the transmitter output power being reduced Antenna switching is done by a relay K1 with 8R FINAL UNIT X45 D1 FWD DET VR D3 1 Diode 1 TK 890 B H B CIRCUIT DESCRIPTION 2 Receiver Circuit Item Rating I
133. icient D 3 2 0 4 2 5 0 3 Less than 1 5 1 2 3 4 5 6 7 5 Voltage rating 3 2 0 2 1 6 0 2 Less than 1 25 6 Value F 2 0 0 3 11 25 0 2 Less than 1 25 Chip B F 7 Tolerance G 1 6 0 2 0 8 02 Less than 1 0 H 1 0 0 05 0 5 0 05 0 5 0 05 RESISTORS Dimension Chip resistor Carbon L 3 EX RD73 E B 2B 000 J LT 1 2 3 4 5 6 7 Chip B F m Ww Carbon resistor Normal type EX RD14 B B 2C 000 J 1 2 3 4 5 6 1 Type ceramic electrolytic etc 2 Shape round square ect 3 Dimension 4 Temp coefficient 7 5 Voltage rating 6 Value 7 Tolerance Dimension Chip resistor Dimension code W E 32 02 1 6 0 2 1 0 20 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 Wattage Wattage Wattage 19 1 6W 2C 1 6W 3A 1W 2A 1 10W 2E 1 AW 3D 2W 2B 1 8W 2H 1 2W 39 TK 890 B H B PARTS LIST New Parts indicates safety critical components L Scandinavia K USA Canada Parts without Parts are supplied Y PX Far East Hawaii T England E Europe Les articles non mentionnes dans le Parts No ne sont pas fournis Y AAFES Europe X Australia M Other Areas Teile ohne Parts No werden nicht geliefert TK 890 TK 890 B Desti nation 2B 09 2292 05 HEXAGON HEAD SCRE
134. ide 40 oms oxe ev 0306 oxs pz s EAE e oo s 07 0307 68 bue c ______ SS R T o TK 890 CIRCUIT DIAGRAM Note Components marked with a dot are parts of pattern 1
135. ift register ENABLE output for shift register DATA output Power output after power switch 13 6V or 13 4 15 odulation and frequency control signal output for VCXO odulation signal output for VCO CLOCK output for PLL ENABLE output for PLL Lock detect input for PLL H Lock L Unlock ot used CN504 To Control cable Remote kit OI Q N 5 s RX audio signal output for head 2 Detection signal input from Radio 2 Earth ENABLE output for shift register CLOCK output for shift register DATA output for shift register RESET signal output for Radio 2 Common 5V 5V 5 Power switch control signal input output Chip select output for D A converter Transmission drive output Coaxial connector CN505 To Acc 25 pin D sub connector OU O 01 34 QO N 0 0 O ee 11 RSSI signal output Non connection Auxiliary input 1 Reserved Auxiliary input 2 Reserved Auxiliary input 3 FPU se RX audio signal output Auxiliary input 4 FPU se Earth Auxiliary input 5 FPU se Detector signal output Earth FPU se FPU se Connector Terminal Terminal No No Name TK 890 B H B TERMINAL FUNCTION Terminal Function Connector Terminal Terminal No No Name I O Terminal Function 14 15 16 17 18 19 20 21 22 23 24
136. ight Road Watford Herts WD1 8EB 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 KENWOOD 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 ay KENWOOD ELECTRONICS TECHNOLOGIES S PTE LTD Sales Marketing Division 1 Ang Mo Kio Street 63 Singapore 569110
137. ignal The 15 IF signal is amplified by 1st IF amplifier 2 0107 and fed into 101 in the FM IF IC The IF signal is then Ripple OdB or less mixed with the 2nd local oscillator frequency of 73 505MHz Insertion loss 4 04 or less to generate the 2nd IF of 455kHz The 455kHz signal is then passed through a ceramic filter CF101 CF103 Wide CF102 CF104 Narrow and fed back into 101 for addi tional amplification Terminating impedance 2 0kQ 0 5pF The AF signal output from IC101 then passes through the control unit s HPF and D A converter IC After entering 710515 00 Narrow the AF power amplifier IC522 the signal is output from the TX RX unit XF102 Guaranteed attenuation 854 or more at fo 400 1000kHz fo 200 1000kHz speaker FINAL UNIT TK 890H B FINAL UNIT TK 890 B TX RX UNIT Te IPSs Coogee y LPF g1 LPF 17 6 5 I 1754 0345 1 1 16 5 A frx 73 05MHz RFAMP 1st MIX RF AMP A I SW T L101 0101 L104 A101 LPF 0104 0103 0308 1 2141 0013 Es I 26 1 1 N o lt K veo 73 05MHz C stIFAMP2 1st IF AMP1 I I 0107 XF101 0102 1 L 2 FM SYSTEM IC 6 WIDE NARROW I 455kHz N
138. in plug on the back of head 1 The plugs on radio 2 and head 2 cannot be used If the KCT 18 is used for the KRK 7DB use the 9 pin plug on the back of radio 1 or the 12 pin plug on the back of the head The plug on radio 2 cannot be used Available function when KCT 18 is R504 R506 R742 connected Horn alert function OFF during Present Absent Present driving Timed power off function Default Horn alert function OFF during Absent Present Present driving Ignition function None The transceiver cannot be Absent Absent Present turned on Present Absent Absent HA function OFF during driving Ignition function amp Timed power off function Table 1 R504 R506 R742 and R743 setup chart Refer to page 21 Accessory connector 12P Accessory connector 9P 6 External Speaker KES 4 The speaker output from the TK 890 is as follows 1 The KCH 10 has a built in speaker 3W 8 ohms The KCH 11 does not have a built in speaker 3 The external speaker output from the accessory connec tor 9 pins on the back of the transceiver is 13 4 ohms Use the KES 4 4 The speaker output from the accessory connector 12 pins on the back of the control head is 2W 4 ohms If the remote kit KRK 5 KRK 6DH KRK 7DB or KRK 8DBH is used use the KSP 1A or KES 4 If the KSP 1A is used do not attempt to modify the transceiver to increase the au dio output
139. iption Ref No Address Parts No Description 470PF 12PF 470PF 6 0PF 470PF C Cy CK73GB C335 CK73GB 336 CK73FB1 0337 CK73GB C338 92 0560 0339 50C 5 0 e TO mom 270 80J C OOOO 0 CC73GCH CC73GCH CC73GCH CK73FB1E CK73GB 340 342 C343 C344 C345 C346 3 UJ a gt lt CK73GB F C347 CK73GB 348 349 CK73GB F 350 351 CK73GB C352 354 CC73GCH 355 357 UJ CJ UJ 92 0044 358 359 CK73GB C360 CK73GB F C361 CK73GB 2 C363 CK73FB1 C364 365 CK73GB F C366 CC73GCH C367 92 0008 369 370 CK73GB F C371 CK73GB C372 CK73GB1H C373 92 0044 0 5 374 376 CK73GB1H F 377 379 CK73GB C380 381 CK73FB1 C382 C CK73GB C501 CC73FCH F C524 CK73GB C525 CC73GCH F 526 527 CK73GB C528 CK73GB CK73GB CK73FB1 CK73GB CK73GB C529 C530 C531 C532 C533 CK73FB1E104K C534 C92 0633 05 C535 90 4016 05 536 537 92 0001 05 F C538 92 1341 05 F C2 C2 90 4016 05 CK73GB1H103
140. isplayed group of channels to the scan sequence hold down the D A Key for 2 seconds The GR ADD indicator W lights and the group is added to the scan sequence 6 Deleting Channels and Groups from the Scan Sequence 1 Channels To delete a channel from the scan sequence press D A Key The CH ADD indicator W goes off and the channel is deleted from the scan sequence 2 Groups To delete the currently displayed group of channels from the scan sequence hold down D A Key for 2 seconds The GR ADD indicator W goes off and all the channels the group are deleted from the multi group scan se quence 7 Operator Selectable Priority 1 Operator Selectable Priority1 If Priority has been set to Operator Selectable you can set the currently displayed channel as Priority1 To set the currently displayed channel as Priority1 hold down the SCN Key and press the MON Key three times 2 Operator Selectable Priority2 If Priority2 has been set to Operator Selectable you can set the currently displayed channel as Priority2 To set the currently displayed channel as Priority2 hold down the SCN Key and press the MON Key twice 8 Talk Around TA Talk Around is useful when you are close to other mo biles you want to talk to or are outside the range of your repeater system Press the TA Key A confirmation tone sounds and BASIC Panel 7 segment FULL Panel DOT MATRIX S is displayed
141. it as follows Short the land of the print pattern near CN505 of the con trol unit 57 562 8 3 R640 R641 Absent Function Present Absent MIC signal input output DATA audio input Default Present Table3 Refer to page 21 9 Connection with the Remote Kit When the KRK 5 KRK 6DH KRK 7DB or KRK 8DBH is used set chip resistors and transistors as shown in the table below KRK 6DH KRK 7DB KRK 8DBH Radio 1 Radio 2 Unnecessary Remove R546 and R661 Move R602 to R705 Table 4 Refer to page 21 TK 890 B H B INSTALLATION ma LO CONTROL UNIT 57 Component side view Accessory terminal Connection with function Page 20 the remote kit Page 20 R515 Voice Scrambler 17 R640 641 Accessory terminal function Page 20 Voice Scrambler Page 17 21 TK 890 B H B DISASSEMBLY FOR REPAIR TK 890 B 22 Removing the Case and Shield Cover Remove the 9 screws and remove the upper lower halves of the case Remove the 4 screws holding the upper half and the 5 screws holding the lower half Remove the shield cover Removing the TX RX Unit 57 562 A 3 Remove the 7 screws and remove the PLL shield case Remove the connector CN201 and coaxial plugs CN104 CN203 from the final unit and remove the flat cable CN202 upwards from the
142. its on the upper left side H High Transmission and reception at the high edge ch tight point 50 T XXX SOL TIGHT XXX Wide Narrow item ch open point 50 O XXX 501 OPEN XXX Wide Narrow item PF1 Power ON GRPA E TK 890H CALL MON SCN SP OPT 8 C OST rz RF power 450 470MHz JANI ZIN ZIN WAN Full display RF low power iid See 1 deviation deviation Low Max deviation High NE NN NE NE Sensitivity Use the PF1 and PF2 keys K ns Use the PF3 or PF4 key to set an Sensitivity High adjustment value 0 to 255 for each adjustment item Use the PF5 key to move to the next item 67 TK 890 B H B ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator SSG Power Meter Frequency Range Modulation Output Input Impedance Operation Frequency Measurement Capability 400 to 512MHz Frequency modulation and external modulation 0 1pV to greater than 1mV 500 400 to 512MHz or more Vicinity of 200W Deviation Meter Frequen
143. l data output Serial data input TX sense signal output H TX L Another MIC mute signal imput L Mute on No change MIC Data signal input 1 Default DI Input impedance DI 10kQ or more 6000 DI DC coupling DC coupling Frequency response DI 9 6kHz 1 3dB 1 2 04 Compliance with TIA EIA 603 Deviation 60 deviation or more 1kHz 2 5Vp p input 1 60 deviation 1kHz 5mV 1 5mV input Non connection SB 13 6V or 13 4V 0 5A max Refer to page 20 Reserved Reserved RX audio signal output Same as CN504 No 1 RX condition RX audio output Output level 125mVrms Standard modulation PA copndion MIC output Output level 300mVrms 1kHz 5mV input Earth Detector signal output Output impedance 1kQ or less Coupling DC coupling Output level 100mVrms Standard modulation FPU selectable FPU selectable Output frequency response Wide 300 4 8kHz 1 2dB 4 8 9 6kHz 1 24dB Narrow 300 4 8kHz 1 10dB 1kHz 0dB Auxiliary output 1 FPU selectable Auxiliary output 3 FPU selectable Auxiliary output 4 FPU selectable Squelch signal output L Busy H Not busy Speaker mute signal input L Mute on MIC earth 13 1 OOOOOOOOOOOOO 2 4 Acc 9 connector CO OO O O GQ N IGN ES2 RS1
144. le m DC SW 2 E o e 5 3 6 lt IGN 5 1 La 0509 0512 s i F502 DTC363EK w 0531 2 8 EMG a a SB 9 DC SW n 0537 ama DTA114TUA 2 EPT 0 gt RS1 DC SW DTC144EUA Q526 Q528 Av i 1 1 5 RS2 DTA114TUA DTA114TUA 56 0513 1 747 9505 7 R677 ge NC m DTC144EUA 8726 710 Q509 DTCIA4EUA PREVENTION AS 0530 0529 9532 1 4 Tk 6 L 1 T 2 20 0511 4 D506 DTC144EUA DTC144EUA 1 2kO 012u DTC144EUA 5511 MCM D 0 155301 16510 5 R710 DTC144EUA 91 DC SW 9 0 16513 155301 LPF SUMMING AMP 470k TCN d u 14 9 422 29 6 22 2942 222 570 22k DTI D501 02CZ18 Y 2504 02 25 6 X 513 517 519 521 DA204U Q501 518 542 DTA114EUA Q504 DTC363EK Q506 9516 526 528 531 DTA114TUA 9522 25 4215 IC501 TCA4013BF 85 16509 MC33172D 14 AT24C64N10S127 IC517 523 BUAOSABCF 12522 TDA8561Q D502 503 505 508 155355 D506 511 155301 524 526 527 Q502 503 541 DTC114EUA 0505 509 513 517 525 DTC1A44EUA 9507 DTC114YUA Q519 1257506 5 9523 524 DTC114TU IC502 505 508 510 NJMA558M IC504 545 1 511 PCDS3S12CT BUA4066BCF IC519 AT29CO20 90TI IC525 LC73872M 89 512 528 529 507 02 7 15 543 544 527 529 530 532 536 0514 DTA144TKA Q520 537 540
145. m Press again Low Press again OFF OFF OFF Press again return to return to return to return to High High High High The brightness setting is memorized 22 Speaker 1 2 Mute SPM Dual Head Configuration only This feature allows the radio operator to manually disable the speaker audio of another control head Press the SPM Key a confirmation tone sounds and the other head speaker is muted Both head displays shows X MUTE X Muted HEAD number This muted condition is canceled by both head keys with out PTT and Mic HOOK which is connected to Un muted head 23 Mobile Relay Station RPT Dual Band Configuration only This function allows the radio operator to use the RADIO as a repeater 1 Both Repeater Channel 1 and Repeater Channel 2 must be pre programmed by the FPU Each channels must be on diferent bands 2 Press the RPT Key then both the VHF and UHF units move to the repeater channel and enter Repeater mode Displays of both heads show REPEATER 3 one unit receives a proper signal the other unit will start transmitting repeating 4 If the signal stops the repeat action will stop If one of the units detects another signal the repeat action will re start 5 Press RPT again both units return to their previous channels and exit the Repeater mode However during the repeating mode pressing RPT has no effec
146. mode ON Deviation meter filter HPF OFF LPF 15kHz De emphasis OFF Narrow 1 5kHz 0 05kHz 2 Up down knob Set the narrow n XXX in tune mode PIT ON 15 MSK 1 CH SIG 1 9 Wide 3 0kHz 0 1kHz deviation Select MSDV XXX in tune mode PIT ON Deviation meter filter HPF OFF LPF 15kHz De emphasis OFF 2 Up down knob Set the narrow Narrow 1 5kHz 0 05kHz D MSDV XXX in tune mode PIT ADJUSTMENT TK 890 B H B Measurement Adjustment Item Condition Mm Unit Terminal Unit Parts Method Specifications Remarks 16 Sensitivity 1 Test mode SSG Rear Wide low check SINAD 12dB or more CH SIG Low 1 SSG output 116dBm 0 35uV AF VIVM EXT SP AF output 2V 4Q Distortion meter 2 Test mode Oscilloscope Wide center check CH SIG Center 1 40 dummy load 3 Test mode CH SIG High 1 4 Up down knob Set the narrow CH SIG Center 1 17 Squelch tight point 1 CH SIG Center 1 Select SQ T XXX in tune mode SSG output Value when 6dB is added from the sensitivity value of 12dB SINAD 2 Up down knob Set the narrow n 50 T in tune mode 18 Squelch open point 1 CH SIG Center 1 Select SQ O XXX in tune mode SSG output Value when 3dB is subtracted from the sensitivity value of 12dB SINAD 2 Up down knob Set the narrow n 5
147. n on the RADIO Press the Power Switch The display and graphics illumi nate to indicate the RADIO is ON 2 To adjust the volume level Turn the Volume Knob CW to increase the volume level Turn the Volume Knob CCW to decrease the volume level 3 To select a Group Select a Group by rotating the UP DOWN Knob which has been programmed with Group UP DOWN or by pressing the Keys which have been programmed with Group UP and Group DOWN If the Channel Tracking Function is enabled the chan nel number will not change 4 To Select a Channel Select a Channel by rotaing the UP DOWN Knob which has been programmed with Channel UP DOWN or by pressing the keys which have been programmed with Channel UP and Channel DOWN b To enter carrier squelch mode If you want to monitor a channel press MON Key If the OFF HOOK Decode function has been disabled you can also enter monitor mode by taking the microphone off HOOK 3 Transmit 1 Normal ON HOOK Scan Mode First lift the microphone from the HOOK The scanning stops temporarily and the OFF HOOK revert channel is displayed Listen for a few seconds to make certain the channel is not being used OFF HOOK Scan MODE If scanning pressing the PTT switch will stop the RADIO on the OFF HOOK revert channel and begin transmis sion immediately Not Scan Mode Pressing PTT starts transmission at the selected channel 2 Press PTT and start speaking For best results hold t
148. ncoming signals from the antenna pass through a low Nominal center frequency 73 05MHz pass filter in the final unit of the transmitter system and are Pass bandwidth 7 5kHz or more at 3dB switched to the front end of the receiver system via a re 30KHz or less at 40dB ceive transmit switch switching diode D3 D4 05 TK 890 switching relay K1 890 Ripple OdB or less The signal is then passed through an antenna matching Insertion loss 3 0dB or less coil After passing through the 2 pole BPF L101 the signal Guaranteed attenuation 854 or more at fo 400 1000kHz is amplified by the RF amplifier O101 The 3 pole BPF S fo 200 1000kH L104 is then passed and it enters the 1st mixer mE o 200 21000892 The 1st mixer use double balanced mixer A101 The Terminating impedance 2 0kQ 0 5pF DBM is an excellent IM intermodulation distortion and im Table 1 Crystal filter L71 0514 05 Wide age The 1st mixer mixes the signal with the 1st local oscil lator frequency and converts it to the 1st IF 73 05 2 The signal is amplified by the 1st IF amplifier 1 O102 TX RX unit XF101 The signal then passes through two monolithic crystal fil Item Rating ters XF101 Wide XF102 Narrow to remove unnecessary Nominal center frequency 73 05MHz nearby frequency components The signal from the XF101 Pass bandwidth 3 75kHz or more at or XF102 is used as the 1st IF s
149. nd C 3 Q and Remove the 3 screws 0 and remove the sub panel and keytop OQ N Disassembly of the Display Unit X54 3200 KCH 11 Pull out the VOL and UP DOWN knobs Remove the 2 hexagnal nuts Remove the waterproof seal Disconnect the connector of the display unit 54 3200 A 2 and remove the 5 screws you can remove the up down encoder Q and display unit Remove the 4 screws 0 and remove the sub panel and keytop O 25 TK 890 B H B CIRCUIT DESCRIPTION 26 1 Transmitter Circuit 1 1 Microphone amplifier section X57 3 The audio input from the microphone is attenuated by VR501 and passes through the active high pass filter pre emphasis circuit in 505 the compressor circuit IC504 the IDC limiter circuit in 505 the summing amplifier cir cuit in 510 the active low pass filter in 510 the sum ming amplifier circuit in 513 and the D A converter in 512 and is output from the CN502 to the CN202 Q504 is used as a microphone mute switch to TX VCO 1 504 1 505 Q504 VR501 I MUTE 5 1 sw MIC 1 2 Modulation section X57 A 3 The signal from the MO terminal of the CN202 goes to D307 in the VCO and the VCO is directly modulated The transmit signal output from the VCO passes through switch D308 is amplified by 0201 0204 and 0205 and is outpu
150. nel kit KCH 10 KCH 11 When a function is set by the programming software KPG 44D the key legend can be changed by inserting the Description and use of the knob supplied with the KCH accessory knobs into PF1 to PF9 of the KCH 11 PF1 to PF5 10 11 KCH 10 The accessory contains a set of 30 knobs AN D ible A DIM HA HC IC MON OPT OST PA RCL RPT SCN Voice scrambler use and connection SP SPM 50 K CH1 CH3 CHA CH5 AUX A e Optional ANI function ANI board connection Ignition sense cable KCT 18 Description of the ignition function and timed power off function and connection External speaker KES 4 KES 4 connection method and modification for increas ing the speaker output of the control head Horn alert function Modification for changing the function of the ACC termi nal for horn alert Accessory terminal function Fig 2 Description and use of D SUB 25 pin ACC terminals MI DI and SB Connection with remote kit Modification of the radio to use KRK 5 KRK 6DH KRK 7DB or KRK 8DBH AUX B AUX C EMG and blank z 29 5276 3 K29 5277 3 K29 5305 3 AN RCL CH1 D A RPT CH2 DIM SCN CH3 HA SP CH4 HC SPM CH5 IC 50 AUX A TA AUX B OPT A AUX C OST v EMG PA No printing 2 Front Panel Kit KCH 10 KCH 11 2 2 Connection with TK 890 B H B 1 Remove the upper and lower halves of the case of the TK 8
151. non scanning The RADIO transmits and operates normally while SP is activated but all received calls will be output through the PA speaker If SP is pressed again a confirmation tone sounds the SP icon goes off and the SP function will turn off 12 Channel Name AN This function switches the 13 segment display BASIC Panel or DOT MATRIX L display FULL Panel between al phanumeric and Group Channel number If you want to change from alphanumeric display to chan nel display press AN Key A confirmation tone sounds and the alphanumeric display changes to the channel display If AN is pressed again a confirmation tone sounds and the channel display changes back to the alphanumeric dis play 13 Intercom IC Dual Head Configuration only Intercom IC allows one control head operator to talk to the another control head operator IC mode is activated by pressing the IC Key A confirmation tone sounds and the display shows INTERCOM IC can be activated at any time scanning or non scanning The RADIO continues to scan amp receive calls while in IC mode Pressing PTT activates IC and will override an incom ing call at anytime however no RADIO transmission takes place If IC is pressed again a confirmation tone sounds the display returns to the normal channel or SCAN display and the IC function will turn off 14 Home Channel HC This feature allows the radio operator to immediately se lect a pre
152. ntroller Form 1 Install the front panel kit controller directly on a radio to Radios two KRK 7DB KCH 10 11 KCT 22M M2 operate it Form Radio KCH 10 11 3 2 Remotely control radio with controller Form 5 Remotely control two radios with two controllers Form Radio KRK 5 KCH 10 11 KCT 22M M2 M3 Radio two KRK 8DBH KCH 10 11 two KCT 2 Merchandise received Frequency range RF power 2 2 3 two Choose the type of transceiver TK 890 B 8 470 480MHz 75W 90H B Radio 1 TK 890 B or TK 890H B is complete by combining options with only the transceiver body without panel TK 890 Contain KCH 10 Are you using the remote kit y 3 See Remote kit service manual NO See page 16 KCH 10 Basic model Front panel kit Are you using the printed keytops See page 16 YES Supplied accessory knob See page 16 KCH 11 Full featured model Front panel kit KCT 22M M2 M3 Control cable S Are you using the voice scrambler NO See page 13 A personal computer IBM and programming softwar The frequency and signall YES Y Transceiver programming option Are you using the external speaker NO See Installation manual KCT 23 3 TK 890 B KCT 23 M2 M4 TK 890H B YES KCT 23 DC cable Are you using the ignition sense cable NO
153. o4 DE3 E EL cK lt DT RST 5C lt CNSOL PSC s 8 10 t bb E 5 al 1 sc MCI i BCL 1 CN502 lt L RXD2 TV DEO RSI PTO SQL BC lt DET E E 14 ac CN507 KEY 1 CK ES EMG V SB IO 8c MB NC MO lt AS2 MCM EP TON UL TCN NC DTI 10 18 57 562 A 3 gt 8 1 9c CN201 8 DB 7 d 19 11 Batt B D G H DISPLAY UNIT 54 3190 20 Component side view 10 PC BOARD VIEWS TK 890 B H B ev BANS BE x N Component side Foil side 4 DISPLAY UNIT X54 3190 20 Foil side view KCH 10 6 82 TK 890 BJ H B PC BOARD VIEWS DISPLAY UNIT X54 3200 20 Component side view KCH 11 327 mii L LP FA 4 i L m mm L E 41 ff e ee 8 20 L 5 _ 4 4 3 T _ r f 2 2
154. oltage TK 890 B H B SEMICONDUCTOR DATA Flash ROM 29 020 90 Control Unit 519 Terminal description Block diagram Function Data inputs outputs 100 1 07 Addresses Chip enable DATA LATCH WE CE INPUT OUTPUT Output enable BUFFERS Write enable Y GATING Address OPTIONAL BOOT 00 1 07 Data inputs outputs input BLOCK 8K BYTES MAIN MEMORY NC No connect 240K BYTES OPTIONAL BOOT BLOCK 8K BYTES Power Amplifier M68769H Final Unit 890 type M68769SH Final Unit 890 K2 type M68769L Final Unit TK 890 B type Equivalent circuit Input Ist stage power supply Drive stage power supply Final stage power supply Output Fin Earth O OI Final Amplifier 2SC4989 Final Unit Q6 Q7 TK 890H B Absolute maximum ratings Tc 25 C unless otherwise noted Parameter Conditiona Rating ector base voltage 35V itter base voltage 4V ector emitter voltage RBE 17V ector current 18A ector dissipation 150W ction temperature 175 C age temperature 55 to 175 C 35 TK 890 B H B DESCRIPTION OF COMPONENTS General TK 890 B Use Function Operation Condition 4 Vss 5 Fin 7 Vcc 8 REFin 16 8MHz 14 Charge pump output 18 UL when lock 20 VDD 5V Q101 1st amplifier RX frequenc
155. or from up to 16 decode encode pairs Pair No 1 16 programmed by the To select the Dec Enc pairs 1 Press the OST Key A confirmation tone sounds and the display shows the OST Name which is memorized in the channel for 2 seconds The OST icon lights and OST is enabled Press OST again and the OST icon goes off and OST is disabled 2 When the OST Key is held down a confirmation tone sounds and the RADIO enters OST Select Mode 3 Select the Dec Enc pair by pressing the A and v Keys or rotating the UP DOWN Knob The display shows TONE XX XX Dec Enc pair number or the OST Name 4 Press OST again a confirmation tone sounds the dis play returns to the normal channel the pair is memorized and OST Mode will turn off You can select a Dec Enc pair on each channel TK 890 B H B OPERATING FEATURES 10 17 Option Board OPT If an optional Scrambler board has been installed in the RADIO Scrambler is activated by pressing the OPT Key A confirmation tone sounds and the OPT icon is displayed If OPT is pressed again a confirmation tone sounds the OPT icon goes off and the Scrambler will turn off If OPT is held down the RADIO enters SCR Code Set Mode A confirmation tone sounds and the display shows CODE XX XX SCR Code Change the SCR Code by press ing the A V Keys or rotating the UP DOWN Knob Press OPT again a confirmation tone sounds the dis play returns to
156. ption R312 73GB1J332J R313 73GB1J103J R314 315 73GB1J331J R316 73GB1J222J R317 K73GB1J474J R318 73FB2A152J R319 K73GB1J R320 325 92 1252 05 R326 327 73GB1J104J R328 330 73681 5 R534 56K 2 2K R535 OK 0 OHM R536 00K R537 33 R539 R331 K73GB R332 73GB R333 73GB R334 336 K73GB R337 73GB 50 R541 R542 R543 R545 R546 R338 73GB R339 73GB R340 K73GB R341 73GB R342 343 73GB R547 R549 R550 R552 R553 R344 73GB R345 73GB R346 73GB R347 73GB R348 K73GB R557 558 R559 R561 R562 R563 C C CD CD C2 R349 73GB R350 K73GB R351 K73GB R352 73GB R353 73GB R564 R565 R566 R567 R568 CS C3 R354 73GB R355 73GB R356 73GB R357 358 73GB R359 K73GB R570 572 573 574 575 576 I R361 R363 366 R501 73681 R502 73681 R504 R92 0670 73681 92 1252 R577 R578 R579 580 R581 582 R583 R R R R R50 RK73GB R50 RK73GB R50 RK73GB R509 RK73GB R5 RK73GB R584 R586 R587 R588 R589 R5 73681 R5 736 1 R R591 592 R R5 R92 0670 R R R594 597 R598 R599 600 R60 R5 736 1 R5 73GH R5 R5 R92 1252 RK73G RK73G R R 736 K73G 73GB K73GH 73GB 73GB 73GB
157. put 1 FPU selectable Auxiliary output 2 FPU selectable FINAL UNIT 57 5620 C 3 TK 890 B 1 TX RX unit DO Transmission drive input Coaxial connector CN2 Power supply input 13 62 1595 gt KRW Power output after power switch 13 6V or 13 4V 15 Hook signal input On hook Off hook MIC eearth MIC signal input Earth TX data output RX data input Not used Serial data input output for keypad MIC MIC backlight control signal output On L Off PTT signal input L TX OPEN Not used Not used 77 TK 890 B H B TERMINAL FUNCTION 78 Connector No Terminal No Terminal Name 1 0 Terminal Function Connector No Terminal No Terminal Name Terminal Function A cc 25 pi n D sub connector RSI RSSI signal output RSSI vs ANT input Typical value 1 144 1 24 51 04 20 84 0 64 0 24 T 9 1 1 0 44 1 120 110 100 ANT input level dBm 0 FPU selectable FPU selectable Auxiliary input 1 FPU selectable Auxiliary input 2 Auxiliary input 3 Auxiliary input 4 Auxiliary input 5 Earth Auxiliary output 1 FPU selectable Seria
158. s and hold D A for more than 2 seconds to toggle a Group DEL and ADD Squelch Level SOL Press to enter Squelch Level Adjust Mode The Squelch level can be adjusted by using the UP DOWN Knob or the preprogrammed channel Up Down key or Group Up Down key Operator Selectable Tone OST Select signalling from the pre programmed list Scrambler OPT AUX A AUXA The optional board on and off Turns AUX A port on and off Install the Scrambler board AUX B AUXB Turns AUX B port on and off AUX C AUXC Turns AUX C port on and off Home Fixed HC Switches to the pre programmed Home Channel Home Toggle HC When pressed once switches to the Home Channel Press again to returns to the previous channel CH5 Di CH5 Switches he GR1 CH5 directry Channel Recall RCL When pressed once switches to the last called channel Press again to return to the previous channel The RCL Key works in Scan Mode only Dimmer DIM Use this function to adjust the LCD backlight brightness Key backlight TX BUSY LED and DTMF Mic Key backlight ON OFF Function 1 Key top name Description Note Speaker 1 2 Mute SPM Channel UP A Channel DOWN v Group UP A Mobile Relay Station RPT Each speaker audio can be manually
159. t Test equipment Unit Terminal Parts Method Specifications Remarks 1 CH SIG 1 1 Spectrum analyzer Span 25kHz Scale 2dB div Center frequency 73 050MHz Tracking generator Output 20dBm 1 Up down knob Set the narrow __ appear on the LCD Spectrum analyzer Tracking generator TX RX A 3 CN103 L112 L113 L115 CN102 Adjust it to ma band flat as shown REF 20 0dBm e gain maximum and make the in the below ATT 10dB 2dB 1 5dB max Y MARKER 6 00kHz 0 6848 3dB or more 10kHz RBW 300Hz 22 02dBm 1 38 CENTER 73 0500MHz REF 2dB 1 588 max 1 MARKER FT 3 00kHz 0 16dB 3dB or more 7 RBW 300Hz 22 02dBm n 1 1 08 SPAN 20 0kHz CENTER 73 0500MHz 7 Distortion 1 CH SIG 1 1 Wide SSG output 53dBm 501 uV AF output 2V 4Q SSG Distortion meter AF VIVM Oscilloscope 40 dummy load Check 396 or less If the distortion value exceeds 396 you must adjust L120 to obtain a minimum distortion value 8 RF power High power model High power Low power Med power model High power Low power 1 Select _ _L in tune mode ON 2 Select _ _H
160. t 24 Emargency Call EMG If the EMG Key is held down the RADIO enters the Emergency Mode In the Emergency Mode the channel changes to the Emergency Channel set by the FPU in ternally The display depends on Emergency Channel Dis play setting and the Emergency Call None MSK ANI board is transmitted If ANI Board is selected for the Emergency Type turn the transceiver off then turn it on again to recover Normal Mode If ANI Board is not selected for the Emergency Type press and hold EMG key to recover Normal Mode TK 890 B H B OPERATING FEATURES 25 Busy Channel Lockout BCL BCL Override The Busy Channel Lockout function prevents interferance with other stations that may be using the same channel While the selected channel is in use pressing PTT causes the RADIO to sound a warning tone and transmis sion is inhibited To stop the warning tone release PTT If BCL Override has been enabled pressing PTT within 500msec again will cancel BCL and transmission is en abled 26 2Tone Signalling 2Tone signalling opens the squelch only when the RA DIO receives a proper 2Tone code that is the same as the pre programmed 2Tone for the channel When the RADIO receives a 2Tone code the CALL icon flashes If Transpond has been programmed the RADIO will re turn an acknowledgment signal automatically after receiving the 2Tone code If Call Alert has been programmed
161. t d Sea 2 amv 1 2 q 9 5 5 02V 2 SWITCH 4 95V 1318 esi e R324 33 bs dbi 9 e 132 SHIFT teagi Q206 l Pa MICE Li eee e 8302 1 875 STE 54 8 REGISTER cd BcK 7 88 DTC114EUA ome i 1 SGROOS Ek 5 77 1 ef gle eles ha ri Sir c366 31V e C126 13 PROTECTION OF ei of of e R304 10k a gt 534080 3 OER Imm 5 y REVERSE sZ APC CONTROLLER 4 4 a 77 x 760mV 13 35 2 0311 1000p 5 9 1 om 7 96V 1 Y 18 9 ATO Q5 1 e C348 olo DTC114EUA NS ala 8 00V C9 172 IC203 ave 1 FNWI m EN 1 E 0315 5 100 AN8009M 2 7 W 2sc4226 R24 5 1 1 re R361 R325 L303 D306 335 L309 4 Q103 C E OUT IN OUT IN Q1 estes 29314 8315 i 3 28C3356 1 Q104 L See M 28 100 77 C302 1000 o SL 5 1315 23247 pb ee ewi DC 330 330 ui m olo m Sex 0 Neo 28 a GND 5 slo elo 514 3 5 8 3 8305 C309 0 010 Q303 M 2 2 eau DC S
162. t from the CN203 to the CN1 TX RX UNIT X57 A 3 p Fig 2 1 3 Final amplifier section X57 C 3 TK 890 B The signal from the DO terminal of the is applied to drive the power module and the output is fed through trans mit receive switching diode D3 D5 low pass filter and CM coupler to the antenna connector CM coupler is a line for detecting traveling and reflected waves Traveling waves are detected by D6 and fed through the APC control to differential amplifiers which compare the signal level with the reference voltage of PC tuned The output is amplified by DC amplifier O1 to control APC DC amplifier Q2 Q1 controls the power supply voltage for the power module keeping the transmitter output constant To protect the transmitter power amplifier stages there is protection circuit against abnormal antenna loading If an abnormal antenna load is connected the reflected wave level increases Reflected waves are detected by D7 and the output level is fed to the differential amplifier lead ing to the transmitter output power being reduced in the way already described FINAL UNIT X57 C 3 1 4 amplifier section 45 TK 890H B The signal from the DO terminal of the CN1 is applied to drive the power module and the output is divided into two signals which are amplified by and 07 T
163. the TK 890 and 10 KCH 11 are used 1 Remove the short plug from the accessory connector 9 pins on the back of the transceiver 2 Insert the KCT 18 into pin 1 IGN Remove the upper half of the case of the TK 890 4 Set jumper resistors 0 ohm R504 R506 R742 and R743 on the control unit X57 562 B 3 as shown in Table 1 Refer to page 21 5 Reinstall the upper half of the case o When the remote kit is used If the accessory connector 9 pins on the rear of the transceiver is available use the method described above If the KRK 7DB or KRK 8DBH is used use the accessory con nector 9 pins on the back of radio 1 If the accessory connector 12 pins on the back of the control head is used 1 Remove the plug from the accessory connector 12 pins on the back of the control head 2 Cut off the end of the rubber cap accessory insert the KCT 18 into the cap and insert it into pin 1 IGN of the short plug 3 Install the short plug and rubber cap on the connector on the rear of the control head then clamp the bottom of the rubber cap with the supplied tie wrap Remove the upper half of the case of the TK 890 5 Set jumper resistors 0 ohm R504 R506 R742 and R743 on the control unit X57 562 B 3 as shown in Table 1 Refer to page 21 6 Reinstall the upper half of the case gt Note the KCT 18 is used for the KRK 8DBH use the 9 pin plug on the back of radio 1 or the 12 p
164. tible machine The data can be input to or read from TK 890 and edited on the screen The programmed or edited data can be printed out It is also possible to tune the transceiver We recommend that install KPG 44D for example to harddisk first then use it KPG 44D instruction manual part No B62 1011 XX KPG 44D Fig 1 42 Mode PC programming mode PF4 13 TK 890 B H B OPERATING FEATURES 14 Mode Function User mode Customer use this mode PC mode Communication between the radio and PC IBM compatiible It requires the PG 44D Panel test mode Dealer uses to check the fundamental Refer to ADJUSTMENT characteristics Panel tune mode Refer to ADJUSTMENT Dealer uses to tune the radio Clone mode Programmed data is transferred from one transceiver to another by using a cloning cable Firmware program ming mode Re write the firmware of the flash ROM Note When programming the firmware it is best to copy the data from the floppy disk to your hard disk then from the hard disk to the CPU Directly copying from the floppy disk to the CPU may not work because the access speed is too slow 42 1 How to Enter Each Mode Mode Operation User mode Power on PC mode Connect the PC and turn the power on Then the radio can be controlled by the FPU Panel test mode Hold down the PF1 key turn
165. ting SB from the control unit to 5V by IC1 And SB is supplied to the LED for backlight 1 4 78064GCXXX8EU Microprocessor DM1 DM2 DM1 DM2 DM1 DM2 KEY BACK LAMP LCD BACK LAMP CPU containing LCD driver The on off signals of keys other than the power switch and the PTT and HOOK signals are converted to serial data and sent to the control unit Data is displayed on the 13 segments 8 digits LCD and 7 segments 3 digits LCD by the built in LCD driver Dimmer function From the control of the CPU s DM1 DM2 port you can switch the LCD KEY backlight busy TX LED or the optional KMC 28 key backlight as shown in the following table Dimmer setting SB 51 781050 POWER O Q PS ENCODER RST Fig 12 KCH 10 block diagram TK 890 B H B CIRCUIT DESCRIPTION 8 2 KCH 11 Dimmer function This display unit consists of a CPU ICA a reset IC 2 From the control of the CPU s DM1 DM2 port you can 5V AVR IC1 EEPROM IC3 and other components switch the LCD KEY backlight busy TX LED or the optional KMC 28 key backlight as shown in the following table Encoder Channels are changed by the rotary encoder ENC The Dimmer up down pulses from the rotary encoder enter the CPU setting 4 and converted to a serial data signal and are sent to the control unit Power supply Power is supplied to the
166. ts made per EIA standard EIA TIA 240 D Antenna Impedance 500 Sensitivity 12dB SINAD 0 25uV 2048 Quieting 0 35nV Selectivity 85 Wide 77dB Narrow Intermodulatiorn a tres 80dB Wide 75dB Narrow Spurious and Image Rejection 90dB Audio Output siiis 13W at 40 less than 5 distortion 12W at 4Q less than 3 distortion Frequency Stability 0 0002 from 30 C to 60 C Band Spread ec ep 20MHz TRANSMITTER Measurements made per EIA standard EIA 152 C RF Power EA TK 890 40W adjustable to SW TK 890H 100W 450 to 470 75W 470 to 480MHz adjustable to 40W Antenna Impedance 500 Spurious Response 80dB Type Of EMISSION ott SE 16 Wide 11KOF3E Narrow H urri and Noise iie ies 50dB Wide 44dB Narrow Microphone Impedance 2 2 6000 AUdio DIStOFtIOTT c e Less than 2 at 1000Hz Band Spread 4 TK 890 40MHz K 32MHz K2 27MHz K3 APPLICABLE MIL STD Military Standard Method Procedures TK 890H 30MHz ENWOOD follows a policy of continous advancement in development For this reason specifications may be changed without notice 810C 810D 810E Low Pressure 500 1 Procedure I 500 2 Procedure I II 500 3 Procedure I II High temperature 501
167. utput Earth MIC signa MIC earth input W5 To DB E 8R 8T PC Transmission drive control voltage output APC Earth 8V input during reception 8V input during transmission TX power control signal input N B B E yo Power supply input 13 6V 13 4 15 Power supply input 13 6V 1347 1596 Earth RX UNIT X57 5620 XX A 3 RA Receiver signal input Coaxial connector TX power control signal output 8V output during transmissioin 8V output during reception Earth Tranmission drive control voltage input APC Not used Lock detect output for PLL H Lock L Unlock ENABLE input for PLL CLOCK input for PLL Modulation signal input for VCO Modulation and frequency control signal input for VCXO Power output after power switch 13 6V 13 4 15 DATA input ENABLE input for shift register CLOCK input for shift register KEY signal input H TX Common 8V 8V 5 Earth Detection signal output Squelch signal output RSSI signal output Not used TX power control signal input gt TV O 0 OO OO 1 1 TX power control signal output Not used RSSI signal input Squelch signal input Detection signal input Earth Common 8V 8V 5 KEY signal output H TX CLOCK output for sh
168. utput 4 TXD2 RXD2 DEO Detection signal output PTO PTT signal output 8C 8V output E Earth 4 Optional ANI Function Connection Join the CN507 connector to the ANI board via the E37 0809 05 connector cable and the CN508 connector to the ANI board via the E37 0808 05 connector cable CN507 ANI board SO Squelch signal output EMG Emergency signal output EPT External PTT signal input Auxiliary input output SEL Non connection AS2 Audio mute input MCM MIC mute input TON Side tone input TCN Speaker mute input DTI Data input E Earth 8C Common 8V output PTO PTT signal output DEO Detection signal output Fig 6 17 TK 890 B H B 18 INSTALLATION 5 Ignition Sense Cable KCT 18 The KCT 18 is an optional cable to use the following func tions 5 1 Ignition function The ignition function allows you to turn the transceiver s power on and off with the ignition key of your car When you are driving with the ignition key on the horn alert func tion is disabled 5 2 Timed power off function The timed power off function turns the transceiver s power off the time specified with the programming soft ware KPG 44D after the ignition key is turned off When you are driving with the ignition key on the horn alert func tion is disabled The ignition sense function and the timed power off func tion can be used at the same time 5 3 Modification If
169. y Q102 IF amplifier 73 05MHz Final Unit X45 3570 10 TK 890H B Q103 104 Mix local amplifier RX frequency 73 05 MHz Q105 DC switch ON when wide Q106 DC switch On when narrow Q107 IF amplifier 73 05MHz Q108 DC switch On when wide Q109 SQL amplifier Noise amplifier Q201 TX pre drive amplifier Q202 8T switch 8V when TX Q203 8T switch On when TX Q204 205 TX pre drive amplifier Q206 8R switch On when RX Q207 8R switch 8V when RX Q301 Ripple filter 8CL 0302 Ripple filter 9CL Q303 304 Loop filter Q305 OSC TX VCO Q306 OSC RX low VCO Q307 OSC RX high VCO Q308 DC switch On when TX Q309 DC switch On when RX low Q310 311 DC switch On when RX high Q312 DC switch Off when RX low or RX high TX RX Unit X57 5620 XX A 3 0313 Buffer amplifier 10 890 11 TK 890 B K2 0314 315 Amplifier 12 TK 890 B K3 13 TK 890H B D102 105 IF switch Wide Narrow D107 oise detector D108 DC switch On when TX D201 TX pre drive bias D301 Frequency contro TX VCO D302 Frequency contro RX low VCO D303 Frequency con RX high VCO D304 equency con TX VCO D305 Frequency con RX low VCO D306 Frequency con RX high VCO D307 odulator D308 RF switch TX RX A101 DBM General TK 890H B Use Function Operation Condition TX drive amplifier Use Function Operation Condition DC amplifier APC controller DC switch APC controller DC amplifier APC controller

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TK 890H(B)

TK-890H(B)

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