IC-M45/EURO Service manual
Contents
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3. C117 Reference frequency adjustment 00000000 L gt i 300 Hz to 3 kHz millivoltmeter i 2 200 mV Audio generator L12 L13 Output power adjustment for Low Sensitivity adjustment PLL lock voltage check point for RX PLL lock voltage check point for TX Sensitivity check point PLL lock voltage adjustment for TX PLL lock voltage adjustment for RX SECTION 5 PARTS LIST LOGIC UNIT LOGIC UNIT PER DESCRIPTION 1530007220 S IC M38223M4 432 HP FX 2040 1110003500 S IC S 80742SL A6 T1 1130007390 S IC TC7WO2F TE12L 1140005620 S IC X25080SI 2 7T6 ORDER DESCRIPTION NO 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 6510019070 S CONNECTOR 52559 3092 1530001950 S TRANSISTOR 2SC2712 GR TE85R 6510018960 S CONNECTOR B2B PH SM3 TB 1510000500 S TRANSISTOR 2SA1162 GR TE85R 1530001950 S TRANSISTOR 2SC2712 GR TE85R 1590000670 S TRANSISTOR FMW1 T148 1520000450 S TRANSISTOR 2881132 T100 Q 5030001373 LCD LD HU4549J 1 E 4548 3 5080000170 LAMP HRS 7219A Y2 30 5080000170 LAMP HRS 7219A Y2 30 1750000060 S DIODE 188196 TE85R 1750000110 S DIODE 188272 TE85R 1750000060 S DIODE 188196 TE85R 1
4. SERVICE MANUAL VHF MARINE TRANSCEIVER IC M45 IC M45EURO Icom Inc INTRODUCTION This service manual describes the latest service information for the IC M45 IC M45EURO VHF MARINE TRANSCEIVER at the time of publication 2 versions of the IC M45 IC M45EURO have been designed This service manual covers each version MODEL VERSION SYNBOL U S A 8 USA IC M45 USA ITA EUR IC M45EURO FRA DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V This will ruin the transceiver DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply an RF signal of more than 20 dBm 100mW to the antenna connector This could damage the trans ceiver s front end ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER 1110003490 S IC TA31136FN IC M45 MAIN UNIT 5 pieces 8810008660 Screw PH BO M3x8 NI IC M45 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is dis connected from its p
5. 4030006980 S CERAMIC C1608 CH 1H 070D T A 7030003680 S RESISTOR ERJSGEYJ 104 V 100 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030000100 S RESISTOR MCR10EZHJ 4 7 4R7 4030007110 S CERAMIC C1608 CH 1H 680J T A 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 kQ 4030008880 S CERAMIC C1608 JB 1C 223K T A 7030003440 S RESISTOR ERJ3GEYJ 102 1 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003730 S RESISTOR ERJ3GEYJ 274 270 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003440 S RESISTOR ERJSGEYJ 102 1 kQ 4030008880 S CERAMIC C1608 JB 1C 223K T A 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003690 S RESISTOR ERJSGEYJ 124 V 120 4030007010 S CERAMIC C1608 CH 1H 100D T A 7030003590 S RESISTOR ERJSGEYJ 183 V 18 kQ 4030009660 S CERAMIC 01608 JF 1C 224Z T A 7030003800 S RESISTOR ERJSGEYJ 105 V 1 MQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003670 S RESISTOR ERJSGEYJ 823 V 82 kQ 4030006900 S CERAMIC C1608 JB 1E 103K T A 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003740 S RESISTOR ERJSGEYJ 334 330 4030008920 S CERAMIC C1608 JB 1C 473K T A 7030003670 S RESISTOR ERJSGEYJ 823 V 82 kQ 4030007130 S CERAMIC C1608 CH 1H 101J T A 7030003700 S RESISTOR ERJ3GEYJ 154 150 4030006900 S CERAMIC C1608 JB 1E 103K T A 7030003670 S RESISTOR ERJSGEYJ 823 V 82 kQ 4510004630 S ELECTROLYTIC ECE
6. 4030007040 S CERAMIC C1608 CH 1H 180J T A 7030003320 S RESISTOR ERJSGEYJ 101 100 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003410 S RESISTOR ERJ3GEYJ 561 V 560 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007010 S CERAMIC C1608 CH 1H 100D T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011160 S CERAMIC GRM42 6 CH 150J 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011110 S CERAMIC GRM42 6 CH 090D 500PT 4030007040 S CERAMIC C1608 CH 1H 180J T A 4030011290 S CERAMIC GRMA2 6 240J 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011070 S CERAMIC GRM42 6 050 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011160 S CERAMIC GRM42 6 150J 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011100 S CERAMIC GRM42 6 CH 080D 500PT 4030007020 S CERAMIC C1608 CH 1H 120J T A 4030011260 S CERAMIC GRM42 6 W5R 102K 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A USA IC M45 EUR IC M45EURO S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER NO DESCRIPTION NO DESCRIPTION 4550002830 S TANTALUM TESVD2 1V 685M 12R 4030008890 S CERAM 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM 4510004590 ELECTROLYTIC 16 MV 470 HC 4030008630 S CERAM 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM 4030011290 S CERAMIC GRM42 6 240J 500PT 4030008630 S CERAM 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM
7. U White E White E Black U Black Black White DESCRIPTION 5030001373 5080000170 5080000170 8900005320 8930045650 8210015200 8930045300 VR A UNIT REF NO ORDER NO LCD LD HU4549J 1 Lamp HRS 7219A Y2 30 Lamp HRS 7219A Y2 30 FFC OPC 519 LCD contact SRCN 2040 SP N W 2040 Reflector 2040 LCD holder DESCRIPTION 7210001500 VR B UNIT REF ORDER NO Variable resistor RK097111102AA 10KA PWR VOL incl nut DESCRIPTION 7210001010 Variable resistor RKO97111000AA 10KB SQUELCH incl nut 8510011600 8510011590 8510011690 8510011860 ACCESSORIES ORDER NO 2040 VCO Case 2040 VCO Cover 2040 Module plate 2040 A Module plate DESCRIPTION 8900006540 8950004140 8950004770 8010017250 8010017270 8610010560 8610010590 8810001470 8810001490 8850000180 8850000500 Cable OPC 632 1632 MIC hanger 1632 MIC hanger A 2040 Mobile bracket 2040 Mobile bracket A 2040 Knob bolt 2040 Knob bolt A Screw PH AO M3 5x30 SUS Screw PH AO M5x20 SUS Flat washer M5 SUS Spring washer M5 SUS U Black only U White only Black White Black White HH gt M 4 MP5 MP6 MP7 Screw abbreviations A BO BT Self tapping PH Pan head FH Flat head BiH Bind head NI Nickel SUS Stainless ZK Black UNIT abbreviation C CHASSIS PART
8. as an AF mute switch 3 1 7 WEATHER ALERT DECODER CIRCUIT USA version only When the weather alert function is activated and a 1050 Hz alert tone from an NOAA weather radio broadcast is received the IC M45 emits beep tones and indicates flash ing ALT on the display to inform of an emergency weather report on the air AF signals from the FM IF IC IC1 pin 9 are applied to the tone decoder IC10 pin 3 When 1050 Hz signal is detect ed the tone decoder outputs a low level signal from pin 8 and the output signals are applied to the CPU LOGIC unit 1 to control beep tones and the ALT indicator 3 2 TRANSMITTER CIRCUITS 3 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis from the microphone to a level needed at the modulation circuit The AF signals from the microphone are amplified at the microphone amplifier IC4 A capacitor C135 and resistor R114 are connected to the amplifier to obtain the pre emphasis characteristics The amplified signals are applied to the IDC amplifier IC6a pin 2 via the analog switch IC5 pins 8 9 and are passed through the splatter filter IC6b to suppress unwanted 3 kHz or higher signals The filtered signals are then applied to the modulation circuit APC CIRCUIT RF signal from PLL IC2 Power module 3 2 2 MODULATION CIRCUIT The modulation circuit modulates the VCO osc
9. only W RE 85 1 01 m 8135 10k m 85 TS 4 T5 15 rues 5 C 5V GND GND is IC2 8 174 7 SC 1302 z 89 0 001 122 R56 C94 12P 122243 1 866 T 7 5 4 0 001 52k 22k B11B ZR SM3 TF a lemer s MM II on IM MM862 010 EL 07 HSM88ASR 117 NN Rag CL e ws L I 2SC3775 3 ge ipw E 2 L16 CBA18P L 100 gy AP 1 I 8 64 4 Ef Talo 5 0v TEDE DATAM 0 001 68 Q13 ku ICF3 01 from 5 R52 857 optional unit 6 a7 sP 08 si m ik 47k woos 7 12 RN1404 e IBBASR 8 PILS 2Sc4215 O 2SC4215 O Q9 m 233 t OP RST 2SC4215 O e MM 470 P 05 DATAS ziji 2SB1143 S z al GND 1 P 25 T Ica fa 1 2 z sm 2SK880Y pa x we UPD3140GS VII 20 1 2 0 001 91 0 01 p 19 eno Veci ae Q15 RA m nuUo 1 s 1 15 2MHz IN2 NI 6 001 0022 RN1404 220 CI24 C120 18 3 3P 2P 4P 17 ENE Tia R69 C104 C105 R37 IL a II xe 2 1 W 15k 1k 11 11 161 xi DATA 876 016 b X1 CR 528 15 HJE RN1402 123 VVV 14 7 Tx 2 7V 124 R45 LOK R70 m CH16 18 H 330 13 cri LE gr 2 gt pu 1 840 19 fe en ko 5 619 m 1 8190 6061 d7k z cpi 9 ens SP T Foe 2 3 HILO C75 C1
10. 050 160 650 157 050 157 050 156 675 156 675 156 050 156 050 157 100 161 700 156 725 156 725 156 100 160 700 157 100 157 100 156 875 156 875 156 150 160 750 157 150 161 750 156 925 161 525 156 150 156 150 157 150 157 150 156 925 156 925 156 200 160 800 157 200 161 800 156 975 161 575 156 200 156 200 157 250 161 850 156 975 156 975 156 250 160 850 157 300 161 900 157 025 161 625 156 250 156 250 157 350 161 950 157 025 157 025 156 300 156 300 157 400 162 000 157 075 161 675 156 350 160 950 156 025 160 625 157 075 157 075 156 350 156 350 156 075 160 675 157 125 161 725 156 400 156 400 156 075 156 075 157 125 157 125 156 450 156 450 156 125 160 725 157 175 161 775 156 500 156 500 156 125 156 125 157 175 157 175 156 550 156 550 156 175 160 775 157 225 161 825 156 600 156 600 156 175 156 175 157 225 157 225 156 650 156 650 156 225 160 825 157 275 161 875 156 700 156 700 156 225 156 225 157 275 157 275 156 750 156 750 156 275 160 875 157 325 161 925 156 800 156 800 156 275 156 275 157 325 157 325 156 850 156 850 156 325 160 925 157 375 161 975 156 900 161 500 156 325 156 325 157 375 157 375 156 900 156 900 156 375 156 375 157 425 162 025 156 950 161 550 156 425 156 425 157 425 157 425 156 950 156 950 156 475 156 475 157 000 161 600 156 525 156 525 157 000 157 000 156 575 156 575 157 050 161 650 156 625 156 625 Low power only
11. 4 Q 5 W or more DC voltmeter CONNECTIONS Input impedance Standard signal generator 50 kQ V DC or better Attenuator Power attenuation Capacity CAUTION 17 to 125 dBm 32 mV to 0 13 V 9 pc RF power meter power supply 50 1 50 W N 13 8V 45A Z Frequency FM deviation counter to DC cable meter Red Black Attenuator 40 dB or 50 dB N to the antenna connector DO NOT transmit while SSG is connected to the antenna connector 40 or 50 dB 50 W or more 4 2 PLL ADJUSTMENTS ADJUSTMENT ADJUSTMENT CONDITION Operating channel ch16 Receiving MEASUREMENT Operating channel ch16 Output power Low Transmitting UNIT LOCATION Connect a digital multi meter or oscil loscope to the check point CP1 ADJUSTMENT POINT Connect a digital multi meter or oscil loscope to the check point CP2 UNIT ADJUST REFERENCE FREQUENCY Operating channel ch16 Output power Low Connect an RF power meter or a 50 Q dummy load to the antenna connector Transmitting 4 3 TRANSMITTER ADJUSTMENTS ADJUSTMENT ADJUSTMENT CONDITION Operating channel ch16 Output power Low Transmitting Loosely couple the frequency counter to the antenna con nector MEASUREMENT Output power
12. F9 HSM88ASR Symbol C3 0 Symbol 4 MA363 B Symbol 6D MA862 Symbol M11 RD6 2M B2 Symbol 622 SECTION8 BOARD LAYOUTS 8 1 LOGIC VR A AND VR B UNITS 8 1 1 TOP VIEW e LOGIC UNIT Om ca Q5 5 l as R19 c 4 E25 818 kal VA E33 R31 J2 8 1 BB BB 2 GND s M FROM Es 82 MICROPHONE 5 aum _ C 1 B R16 d TO MAIN ES UNIT J4 ii er o nn 88 Ri l TI gle B m 5 EL ros O C2 e VR A UNIT e VR B UNIT 1 3 11 J1 64 TO MAIN TO MAIN UNIT JI UNIT J1 H1 1 8 N 8 2 MAIN UNIT VIEW FROM OPTIONAL UNIT BOTTOM VIEW 9009 djJV81zSW 2009
13. Fitb FL 202 Fita FL 202 R157 680 68P 89 gt 88 0 001 0 001 L6 LS 491 1 1 0 01 560 560 n j TE 22k 820 k pass T i LI b ANN uh T 8 Z Sap H TOP LA 243 0 001 LA 149 LA 243 L 253 R23 5 2 Cas 3 II II 4 LG Gh tae S C 5 gt lt 8 03 Gas 0 001 0022 01 T L sare ME MEL 59585922 2SC2714 Y Q2 7 u R25 470 x 6 D3 DET 4 3SK131 L 5v Biusso XB15A308 8 nr R10 6 ose IC1 n Er _ e Rx 0 5V i 100 k Sb SP C171 0 1 only Sg 1136 55 Q25 i ies i 2 m CU C51 C50 288 IT BE 43 k only 47 C34 C33 LA 238 100 ic 6004 229929299 2SB1132 R 2 GND 0022 0001 II Z z si 09 E amp 2 31 iN cr 5 z EP 24 156 gt gt Al cn S 09 gi 5 di T Rx 25V s E R26 4 8153 6 M z 77 001 Ba m b M 120k W 1 5 1V n A 6196 ANN 156 um cl s IC10 22M Ba 1 8 Q23 mont K 22M t 822 1 Vo Or 22 1 BA1604F 227 bu 25011664 y X 390 1 _J only Qon I m fr CFWS450E 3 i only 815 C28 C206 Bus EDEN 024 XP6501 AB only Be C45 AN R1524 7k
14. R98 28C2712 15k 330 k 5 gies R83 47 DATAS g d 33k 33k 1 08 5 5 Tx 5 0V 5 0V 0 027 01027 LI L nus 2 Re Fe 1 1 100k 1C9 E d LA4425A x W 11 pom Me 8145 2SC2712 Y T 1 qt ROV 152 777 R100 L cis2 C193 1 sra 5 SEND 0 22 R95 o 22k EN 0 1 0 1 2 p Q2 6 MIC C 3 cik 98 7 1 DSCC 15 9 14 TMUT B8B 2R SM3 TF Q5 13 RMUT 97 HI LO Q20 Q18 IC8 SQLV 08 HV 2SB1132R 2SB1132 i TA7805F 9 9 39 T L 7 7 ws EUR IC7 ZA e O USA el s BU4094BCF mo bi de SEED RN1404 RN1404 10 2 10 3 VR A AND VR B UNITS wi VR A UNIT VR B UNIT to MAIN unit J1 52 10 3 Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Phone 06 6793 5302 Fax 06 6793 0013 Icom America Inc Icom Europe GmbH Corporate Headquarters Communication Equipment 2380 116th Avenue N E Bellevue WA 98004 U S A Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 425 454 8155 Fax 425 454 1509 Phone 0211 346047 Fax 0211 333639 URL http www icomamerica com URL _
15. Transmitting High UNIT LOCATION Connect an RF power meter to the antenna connector 156 8000 MHz 0 7 W M45EURO 0 9 W M45 ADJUSTMENT POINT 24 W M45EURO 25 W M45 UNIT ADJUST FREQUENCY DEVIATION Operating channel ch16 Output power Low Connect an audio generator to J2 pin 5 with an AC millivoltmeter and set as Frequency 1 kHz Level 230 mV M45EURO 550 mV M45 Set an FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector 2 Transmitting 4 4 RECEIVER ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION Operating channel ch16 SQUELCH control Max counterclockwise Connect an SSG to the antenna connector and set as Frequency 156 800 MHz Level 10 97 dBm 1 kHz 143 5 kHz Modulation Deviation Receiving Connect an FM deviation meter to the antenna con nector through an attenuator MEASUREMENT UNIT LOCATION Connect a DC volt meter to the check point CP3 4 3 kHz Maximum voltage This output level of a standard signal generator SSG is indicated as SSG s open circuit ADJUSTMENT POINT UNIT ADJUST R71 DC power supply 13 8 V 15 e to DC cable Output power adjustment for High R130 Frequency deviation adjustment
16. amplifier output Q17 pin 2 and the bias voltage control Q12 Thus the APC circuit maintains a constant output power The reflected power from the antenna connector is detected at D12 and is then applied to the CPU The detected voltage increases when the antenna is mismatched causing the output power to be switched from High to Low to protect the power module IC2 L22 TMUT to antenna RF detector T circuit Q15 control circuit TXDET signal to the CPU Hm C104 6105 Q16 R70 HI LO 3 3 PLL CIRCUITS 3 3 1 GENERAL The PLL circuit provides stable oscillation of the transmit fre quency and receive 1st LO frequency The PLL circuit com pares the phase of the divided VCO frequency to the refer ence frequency The PLL output frequency is controlled by a crystal oscillator and the divided ratio of the programmable divider IC3 is a dual PLL IC which controls both VCO cir cuits for Tx and Rx The PLL circuit using a one chip PLL IC IC3 directly gen erates the transmit frequency and receive 1st IF frequency with VCOs The PLL sets the divided ratio based on serial data from the CPU on the LOGIC unit and compares the phases of VCO signals with the reference oscillator fre quency The PLL IC detects the out of step phase and out put from pins 8 and 13 for Tx and Rx respectively The ref erence frequency 15 2 MHz is
17. ol 2 eal lt ol CI CCC gt 39 9 39 9 99 9 95 rr ef ef 8 9 9 8 8 9 9 8 e n a e eS S DIM3 9 8 V _ 0IM2 6 3 V r PATTERN SWITCH e dai OFF 0V co etre ea a ac 9 8 5505050055600900000909000 tD tD tD mu EU HU VI t LI 00000000000 00000000000 J T SEG9 61 5 8609 UP SCAN CH16 SEG8 62 SEG8 SEG7 63 40 SEG30 SEG7 P16 SEG30 5606 64 SEG6 pi7iseaat 99 SEGST 5665 65 sEG5 rog KEYi CH16 SEGA 66 SEG4 paj KEY2 CHWX SEG3 67 ccs 36 KEY3 SCAN SEG2 68 SEG2 pos 5 KEY4 HI SEG 69 SEGI 34 KEYS UP SEGO 70 sEGo pas 33 KEY6 DOWN 11 vec IC1 525 2 73 REF M38223M4 432 HP 31 HANG 0 01 AVSS vss 30 xour COM xin 3E COM Pzoxcour 27 COMO 77 Coy 26 LAMP2 78 P7UXCIN 5 RESET T T RESET 79 24 TONE DT 829 go V2 PaO 23 UNLK DOWN HAO CMMX 10k Pat L SOL 0 TEMI TE Eko sce 222222z2590zEEECEGORE gt R30 3 eu 16k 1 sees SP1 R34 47 k F45GO7 4 SP wi 5 8 E
18. oscillated at X1 3 3 2 TX LOOP The generated signal at the TX VCO Q4 D6 D7 enters the PLL IC IC3 pin 2 and is divided at the programmable divider section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 8 The pulse type signal is converted into DC voltage lock voltage at the loop filter R41 R43 75 77 and then applied to varactor diodes D6 D7 of the TX VCO to stabi lize the oscillated frequency 3 3 3 RX LOOP The generated signal at the RX VCO Q5 D8 enters the PLL IC IC3 pin 19 and is divided at the programmable divider section and is then applied to the phase detector section PLL CIRCUIT Loop i Buffer The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 13 The pulse type signal is converted into DC voltage lock voltage at the loop filter R34 R37 R38 C64 C73 and then applied to varactor diode D8 of the RX VCO to stabi lize the oscillated frequency The lockvoltage is also used for the receiver circuit for the bandpass filter center frequency The lock voltage from the loop filter is amplified at the buffer amplifier Q6 and then applied to the RF circuit 3 3 4 VCO CIRCUIT The VCO outputs from Q4 Tx and Q5 Rx are buffer ampli
19. 00 6110001130 6110001600 6150004360 6150004360 6150004360 6200004790 6200002430 6200003320 6200003100 6130002370 6130002360 6200003090 6200003090 6200004700 6200004700 6200004700 6200002430 6200002430 6170000230 6110001600 6200004660 6200004660 6110001580 6200002600 COIL COIL COIL COIL 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 COIL COIL 5 5 COIL 5 Serer ee rer 7030003280 7030003320 7030003800 7030003800 7030003800 S RESIST S RESIST S RESIST S RESIST S RESIST STOR STOR STOR STOR TRANSISTOR STOR STOR STOR STOR STOR STOR STOR STOR STOR STOR STOR STOR STOR P P P P P P P P H OR OR OR OR OR 25 4215 TE85R 25 4215 TE85R 2SC3775 3 TB 2SC2954 T2B 2SB1143 S FMW1 T148 RN1404 TE85R RN1404 TE85R RN1402 TE85R RN1404 TE85R 2SB1132 T100 R RN1404 TE85R 2SB1132 T100 R 2SC2712 Y 2SC2712 Y 2501664 T100Q XP6501 TX AB 2SB1132 T100 R USA only USA only XB15A308 HVU350TRF HVU350TRF HVU350TRF 1SS321 TE85R MA363B TX MA363B TX MA363B TX MA862 TX 1SS196 TE85R HSM88ASR TR HSM88ASR TR MI308 155196 TE85R RD6 2M T2B2 155226 TE85R DSA3A1 MA363B TX TX EUR only EUR only FL 202 30 850 MHz CFWS450E CR 528 15 2 MHz S DI
20. 030003640 7030003640 7030003640 7030003640 7030003560 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMM S TRIMM ER ER S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 104 V ERJ3GEYJ 101 V ERJ3GEYJ 824 V ERJ3GEYJ 223 V ERJ3GEYJ 104 V ERJ3GEYJ 103 V ERJ3GEYJ 100 V ERJ3GEYJ 681 V ERJ3GEYJ 470 V ERJ3GEYJ 222 V ERJ3GEYJ 561 V ERJ3GEYJ 152 V ERJ3GEYJ 104 V ERJ3GEYJ 471 V ERJ3GEYJ 152 V ERJ3GEYJ 391 V ERJ3GEYJ 122 V ERJ3GEYJ 104 V ERJ3GEYJ 471 V ERJ3GEYJ 124 V ERJ3GEYJ 333 V ERJ3GEYJ 272 V ERJ3GEYJ 273 V ERJ3GEYJ 104 V ERJ3GEYJ 470 V ERJ3GEYJ 470 V ERJ3GEYJ 820 V ERJ3GE
21. 08920 S CERAMIC C1608 JB 1C 473K T A 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Q 4030009520 S CERAMIC C1608 CH 1H 020B T A 7030000240 S RESISTOR MCR10EZHJ 68 680 4030009910 S CERAMIC C1608 CH 1H 040B T A 7030003320 S RESISTOR ERJSGEYJ 101 V 100 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030001070 S RESISTOR MCR50JZHJ 33 330 4550006250 S TANTALUM TEMSVA 1A 106M 8L 7030003540 S RESISTOR ERJSGEYJ 682 V 6 8 kQ 4030009560 S CERAMIC C1608 CH 1H R75B T A 7030003590 S RESISTOR ERJSGEYJ 183 V 18 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q 4030008920 S CERAMIC C1608 JB 1C 473K T A 7030003280 S RESISTOR ERJSGEYJ 470 V 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003280 S RESISTOR ERJSGEYJ 470 V 4550000730 S TANTALUM TESVA 0J 225M1 8L 7030003280 S RESISTOR ERJSGEYJ 470 V 4030008630 S CERAMIC C1608 JF 1C 104Z T A 7030003280 S RESISTOR ERJSGEYJ 470 V 4030008630 S CERAMIC C1608 JF 1C 104Z T A 7030003280 S RESISTOR ERJSGEYJ 470 V 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003520 S RESISTOR ERJSGEYJ 472 V 4030006860 S CERAMIC C1608 JB 1H 102K T A USA only 4030009920 S CERAMIC C1608 CH 1H 050B T A 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 4030009990 S CERAMIC C1608 CH 1H 200J T A USA only 4030007020 S CERAMIC C1608 CH 1H 120J T A 7030003200 S RESISTOR ERJSGEYJ 100 V 10 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003300 S RESISTOR ERJSGEYJ 680 V 68
22. 23 0 001 S V BEM E 4 9V dr 22 Tx Lo OV Rx 49V Ci9s Ci66 01 0001 R142 100 T5 x 1 ec Dm HV Cit N t Ica SP 10 SP R10 M SRE BE SBC D AF29 1 m 10 8113 8 s l 52559 3092 m mm aes jel 83 4 8117 270 k 27k 0 001 0 001 IC6b Tx 2evj 82k 3 ge z 2 Z 1M in 9 HSJ1493 01 010 6 8 k 1 M5218AFP 600C N Ics Bie m E R7947 R127 M5218AFP 600C BU4066BCF 10k ZZ S36 Ica m Gus 6 BO BEEP R129 NTCCS20123NH 8 8119 1 14 5 R112 0 k ANN TOFS 12k TOKOT I 122 47k gt gt n TA75S558F Au 1k EM wm 1004 n ANN CONT D 3 7B EH S 12 YW PSTB 4 9 8116 r R103 ES n 135 014 AF1 18 ET gg DTE 81 on H 47k 2 155196 11 app Pear 7 CON 0 S AW aes mm 9 R82 47 HANG Tx 2 6V C139 c137 47k 8115 1k e n 3 FIT 4 686 0 001 47 k only GND from Microphone 1 di 120 k only MIC R80 z e 5 14 47 TONE to 7 LOGIC unit Jt 5 li 6 601 T 21 815147 DATAM 8105 gm ose ji R150 47 CK 0 22 C163 D15 17 musa PILS C ANV 022 70 m 470 RD6 2M B2 0001 C156 15 894 896 Y 7 8106 8107 W 5 i 560k 27k
23. 30006980 S CERAM C1608 CH 1H 070D T A 4030006990 S CERAMIC C1608 CH 1H 080D T A 4030009500 S CERAM C1608 CH 1H OR5B T A 4030009520 S CERAMIC C1608 CH 1H 020B T A 4030009910 S CERAM C1608 CH 1H 040B T A 4030006980 S CERAMIC C1608 CH 1H 070D T A 4030006990 S CERAM C1608 CH 1H 080D T A 4030009530 S CERAMIC C1608 CH 1H 030B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 6510019420 S CONNECTOR B8B ZR SM3 TF 4030006860 S CERAMIC C1608 JB 1H 102K T A 6510003430 CONNECTOR B07B EH S 4030006860 S CERAMIC C1608 JB 1H 102K T A 6450001060 CONNECTOR HSJ1493 01 010 4030006860 S CERAMIC C1608 JB 1H 102K T A 6510019070 S CONNECTOR 52559 3092 4030006860 S CERAMIC C1608 JB 1H 102K T A 6510019250 S CONNECTOR B11B ZR SM3 TF 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A EUR only 4030006860 S CERAMIC C1608 JB 1H 102K T A 7120000470 JUMPER ERDS2TO 4030008770 S CERAMIC C1608 JB 1H 562K T A 7120000470 JUMPER ERDS2TO 4550000510 S TANTALUM TESVA 1V 473M1 8L 4030008630 S CERAMIC C1608 JF 1C 104Z T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 0910049084 PCB B 5034D 4030008650 S CERAMIC C1608 JB 1H 332K T A 9040902902 TUBE IRRAX 0 7 d 1 2 mm 4030007110 S CERAMIC C1608 CH 1H 680J T A 4030008470 S CERAMIC C1608 JB 1H 272K T A 4030008630 S CERAMIC C1608 JF 1C 104Z T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030008630 S CER
24. 3480 S RESISTOR ERJSGEYJ 222 2 2 kQ 4030011220 S CERAMIC GRM42 6 CH 360J 500PT 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 kQ 4030006970 S CERAMIC C1608 CH 1H 060D T A 7030003440 S RESISTOR ERJSGEYJ 102 V 1 kQ 4030009510 S CERAMIC C1608 CH 1H 010B T A 7030003770 S RESISTOR ERJSGEYJ 564 V 560 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003710 S RESISTOR ERJ3GEYJ 184 V 180 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003380 S RESISTOR ERJSGEYJ 331 V 330 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 4030009920 S CERAMIC C1608 CH 1H 050B T A 7030003620 S RESISTOR ERJ3GEYJ 333 33 4030006970 S CERAMIC C1608 CH 1H 060D T A 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ 4030009570 S CERAMIC C1608 CH 1H OR3B T A 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kQ 4030006970 S CERAMIC C1608 CH 1H 060D T A 7030003560 S RESISTOR ERJSGEYJ 103 V 10 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003640 S RESISTOR ERJSGEYJ 473 V 47 kQ 4030009510 S CERAMIC C1608 CH 1H 010B T A 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003500 S RESISTOR ERJSGEYJ 332 V 3 3 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003580 S RESISTOR ERJSGEYJ 153 V 15 kQ 4030006960 S CERAMIC C1608 CH 1H 050C T A 7030003740 S RESISTOR ERJSGEYJ 334 330
25. 4030011170 S CERAMIC GRM42 6 180J 500PT 4030008630 S CERAM 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM 4030008630 S CERAMIC C1608 JF 1C 104Z T A 4030008630 S CERAM 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006850 S CERAMIC C1608 JB 1H 471K T A 4510005900 S ELECTROLYTIC ECEVOGA101SR 4510004440 S ELECTROLYTIC ECEV1HAO10SR 4030008630 S CERAM C1608 JF 1C 104Z T A 4030008630 S CERAMIC C1608 JF 1C 104Z T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030008880 S CERAMIC C1608 JB 10 223K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900 S CERAM C1608 JB 1E 103K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM C1608 JF 1C 104Z T A USA only 4030007030 S CERAMIC C1608 CH 1H 150J T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4610002150 S TRIMMER CTZ3S 10A W1 AF 4030008630 S CERAM C1608 JF 1C 104Z T A 4030007070 S CERAMIC C1608 CH 1H 330J T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030009910 S CERAMIC C1608 CH 1H 040B T A 40
26. 60 S RESISTOR ERJ3GEYJ 103 V 7030003560 S RESISTOR ERJ3GEYJ 103 V 7030003640 S RESISTOR ERJ3GEYJ 473 V 7030003640 S RESISTOR ERJ3GEYJ 473 V MAIN UNIT 7030003640 S RESISTOR ERJ3GEYJ 473 V ORDER 7030003640 S RESISTOR ERJSGEYJ 473 V NO DESCRIPTION DESCRIPTION 8900007790 CABLE OPC 759 0910049102 PCB B 5036B DESCRIPTION 7210001010 VARIABLE RK097111000AA 10KB 0910049312 PCB B 5055B 1110003490 S IC TA31136FN D EL 1150001540 IC M57710 A SC 1302 1130007610 S IC UPD3140GS E1 DS8 1130007370 S IC TA75S558F TE85L 1130007690 S IC BU4066BCF T1 1110003750 S IC M5218AFP 600C 1130007700 S IC BU4094BCF T1 1180001070 S IC TA7805F TE16L 1110003090 IC LA4425A 1110003640 S IC BA1604F T USA only 4030006860 S CERAM 4030006860 S CERAM 4030006900 S CERAM 4030006900 S CERAM 4030006900 S CERAM 4030006900 S CERAM 4030009660 S CERAM 4030006900 S CERAM C1608 JB 1E 103K T A 4030006900 S CERAM C1608 JB 1E 103K T A 4510005860 S ELECTROLYTIC ECEV1HA2R2SR 4030006900 S CERAM C1608 JB 1E 103K T A 4030006900 S CERAM C1608 JB 1E 103K T A 4030006900 S CERAM C1608 JB 1E 103K T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030008630 S CERAM C1608 JF 1C 104Z T A 4030006900 S CERAM C1608 JB 1E 103K T A C18 4030006900 S CERAM C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A
27. 750000060 S DIODE 155196 TE85R 8900005320 FFC OPC 519 N 30 L 55 0910049094 PCB B 5035D 8930045650 CONTACT SRCN 2040 SP N W 6060000630 S CERAMIC PBRC 4 91 BR 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003680 S RBESISTOR ERJ3GEYJ 104 V 100 kQ 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 ko VR A UNIT 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ ORDER 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kO NO 7030003760 S RESISTOR ERJ3GEYJ 474 V 7030003720 S RBESISTOR ERJ3GEYJ 224 V 7210001500 VARIABLE 097111102 10 7030003720 S RESISTOR ERJ3GEYJ 224 V 7030003680 S RESISTOR ERJ3GEYJ 104 V 7030003620 S RESISTOR ERJ3GEYJ 333 V 7030003540 S RESISTOR ERJ3GEYJ 682 V 7030003640 S RBESISTOR ERJ3GEYJ 473 V 7030003560 S RESISTOR ERJ3GEYJ 103 V 7030003680 S RESISTOR ERJ3GEYJ 104 V 7030003640 S RESISTOR ERJ3GEYJ 473 V 7030003640 S RESISTOR ERJ3GEYJ 473 V 7030003640 S RESISTOR ERJ3GEYJ 473 V 7030000190 S RESISTOR MCR10EZHJ 27 7030000190 S RESISTOR MCR10EZHJ 27 VR B UNIT 7030003660 S RESISTOR ERJ3GEYJ 683 V 7030003640 S RESISTOR ERJ3GEYJ 473 V 7030003630 S RESISTOR ERJ3GEYJ 393 V 7030003650 S RESISTOR ERJ3GEYJ 563 V 7030003440 S RESISTOR ERJ3GEYJ 102 V 7030003510 S RESISTOR ERJ3GEY 392 V 7030003490 S RESISTOR ERJ3GEYJ 272 V 7030003700 S RESISTOR ERJ3GEYJ 154 V 7030003640 S RESISTOR ERJ3GEYJ 473 V 70300035
28. 9 M 01 90 HO 2 130 MS A 2112052 220 qo1 l HSV88WSH 210 122952 5 210 39 any m asion K gt 0 ZA V6l2Z SuH SQ z88ySz tlzOSz 18 5 v uo 0 6D MS LNY 398 4 D du 25 vix LINN 21901 LELASE 806V5L9X NAJELLEVL 1191 INV omvdao 98 zl SECTION 9 SECTION 10 VOLTAGE DIAGRAM 10 1 LOGIC UNIT 083 HRS 7219 A Y2 30 051 082 LD HU4549J 1 HRS 7219A Y2 30 2 08 4 ETETE gt aser gt 8 z 8 aS sexies ES ol
29. AMIC C1608 JF 1C 104Z T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4510005320 S ELECTROLYTIC ECEVOJA101SP 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008680 S CERAMIC C2012 JF 1C 105Z T A 4550006130 S TANTALUM ECST1VY224R 4030008890 S CERAMIC C1608 JB 1C 273K T A 4030006870 S CERAMIC C1608 JB 1H 222K T A 4030009490 S CERAMIC C1608 JB 1H 821K T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4550006150 S TANTALUM ECST1CY105R 4030006860 S CERAMIC C1608 JB 1H 102K T A 4550006130 S TANTALUM ECST1VY224R 4550006170 S TANTALUM ECST1AY225R 4550006170 S TANTALUM ECST1AY225R 4030008920 S CERAMIC C1608 JB 1C 473K T A 4510004590 ELECTROLYTIC 16 MV 470 HC 4510004590 ELECTROLYTIC 16 MV 470 HC 4030008960 S CERAMIC C2012 JB 1C 104K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4510004630 S ELECTROLYTIC ECEV1CA100SR USA only 4030008630 S CERAMIC C1608 JF 1C 104Z T A USA only 4550006170 S TANTALUM ECST1AY225R USA only 4550006150 S TANTALUM ECST1CY105R USA only 4030008630 S CERAMIC C1608 JF 1C 104Z T A USA only 4340000010 S MYLAR ECWU 10 5 USA only 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011340 S CERAMIC C1608 CH 1H 471J T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030011730 S CERAMIC GRM42 6 CH 1014 500PT USA IC M45 EUR I
30. C M45EURO S Surface mount C1608 JB 1C 273K T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A 000000000 OOOOOOOOOOOOOOO SECTION 6 CHASSIS PARTS ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION MECHANICAL PARTS AND DISASSEMBLY 6510004880 0800004370 0800004380 2510001040 8900007770 8900007930 8010017264 8930045700 8510011530 8510011550 8510011880 8510012510 8210015210 8210015260 8210015510 8210016230 8930045260 8930046650 8930045270 8930045280 8610010550 8610010580 8930033470 8930045290 8930014280 8810008630 8810008660 8810008660 8810004540 8810004540 8810008680 LOGIC UNIT ORDER NO Connector MR DSE 01 Microphone HM 117B Microphone HM 117W Black White Speaker F45G07 4 Cable OPC 754 Cable OPC 773 2040 Chassis 4 2040 IC clip 2040 Case 2040 Case A 2040 Case B 2040 Case C 2040 Front panel 2040 Front panel A U White 2040 Front panel B E White 2040 Front panel C E Black 2040 6 KEY USA 2040 6 KEY A EUR 2040 R packing 2040 F packing Knob N 264 Knob N 264 A 1542 Jack bush 2040 Bush plate SP net Screw PH B0 M3x6 NI ZU BT Screw PH B0 M3x8 NI ZU BT Screw PH B0 M3x8 NI ZU BT Screw BiH M3x8 SUS Screw BiH M3x8 SUS Screw PH M3x8 NI U Black
31. C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JF 1C 224Z T A 0000000 1560000550 S FET 2SK882 Y TE85R 1580000540 S FET 3SK131 T2 LA 1530002360 S TRANSISTOR 2SC2714 Y TE85R 1560000330 S FET 2SK210 GR TE85R 1560000330 S FET 2SK210 GR TE85R 1560000540 S FET 2SK880 Y TE85R 1530002600 S TRANSISTOR 2SC4215 O TE85R OOOOOOOO USA IC M45 EUR IC M45EURO S Surface mount MAIN UNIT ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 1530002600 1530002600 1530002240 1530002340 1520000380 1590000670 1590000420 1590000420 1590000460 1590000420 1520000460 1590000420 1520000460 1530000160 1530000160 1540000550 1590001190 1520000460 S TRANS S TRANS S TRANS S TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS O o Q m O C CD CD m CD CO 1710001080 1720000370 1720000370 1720000370 1750000470 1790000640 1790000640 1790000640 1790000450 1750000060 1790000690 1790000690 1710000290 1750000060 1730000730 1750000070 1790000700 1790000640 1790000640 DIODE S VARICA S VARICA S VARICA DIODE VARICA VARICA VARICA DIODE DIODE DIODE DIODE ODE DIODE ZENER DIODE DIODE S VARICA S VARICA 2010001610 2020001210 MONOLIT CERAMIC 6050009640 6070000210 XTAL 6110001670 61100016
32. F CIRCUIT The RF circuit amplifies signals within the range of frequen cy coverage and filters out of band signals The signals from the antenna switching circuit pass through a tunable bandpass filter D2 L5 where the object signals are led to the RF amplifier circuit Q1 The amplified signals at Q1 are applied to the 2 stage tun able bandpass filter D3 D4 L6 L7 to suppress unwanted signals and improve the selectivity The signals are then applied to the 1st mixer circuit D2 D4 employ varactor diodes that are controlled by the PLL lock voltage to track the band pass filters 3 1 3 1ST MIXER AND 1ST IF CIRCUITS The 1st mixer circuit converts the received signal to a fixed frequency of the 1st IF signal with a 1st LO VCO output fre quency By changing the 1st LO frequency only the desired frequency will be passed through a pair of crystal filters at the next stage of the mixer The signals from the RF circuit are mixed with the VCO sig nals at the 1st mixer circuit Q2 to produce a 30 85 MHz 1st IF signal The 1st IF signal is applied to a pair of crystal filters F11 to suppress out of band signals and is then amplified at the IF amplifier Q3 The amplified signal is applied to the 2nd mixer circuit IC1 2ND IF AND DEMODULATOR CIRCUITS C53l R26 4 Squelch level adjustment pot R1 VR B unit Active filter E Limiter amp 3 1 4 2ND IF AND DEMODULATOR CIRCUITS The 2nd mixer circuit conv
33. Momentary high power 3 Receive only NOTE Channels 3 21 23 61 64 81 82 and 83 CANNOT be used by the general public in USA waters WX CHANNEL LIST Weather Frequency MHz Weather Frequency MHz channel Transmit Receive channel Transmit Receive Receive only 162 550 Receive only 162 500 Receive only 162 400 Receive only 162 525 Receive only 162 475 Receive only 161 650 Receive only 162 425 Receive only 161 775 Receive only 162 450 Receive only 163 275 SECTION2 DISASSEMBLY INSTRUCTIONS e REMOVING THE CASE e REMOVING THE MAIN UNIT D Unscrew the 4 screws CD Unsolder DC cable 2 points and antenna connector Note When replacing the screw 10 12 kg of torque MUST 3 points as shown below be applied to ensure water resistance 2 Unscrew 2 screws C and 7 screws D to remove the MAIN unit Slide the case free of the chassis in the direction of the arrow SECTION3 CIRCUIT DESCRIPTION 3 1 RECEIVER CIRCUITS 3 1 1 ANTENNA SWITCHING CIRCUIT The antenna switching circuit functions as a low pass filter while receiving and as resonator circuit while transmitting The circuit does not allow transmit signals to enter receiver circuits Received signals enter the MAIN unit from the antenna con nector and pass through the low pass filter 11 13 1 5 C7 The signals are then applied to the RF circuit via the antenna switching circuit D1 L4 L25 3 1 2 R
34. S L LOGIC UNIT M MAIN UNIT VA VR A UNIT VB VR B UNIT Note Refer to IC M59 service manual for HM 117 microphone details MP6 C MC1 C R1 VA VR B UNIT MAIN UNIT MP17 C MP18 C MP3 M IC2 M SECTION 7 e TRANSISTOR AND FET S 2SA1162 GR Symbol SR i 2SC2712 Y Symbol LY ij 2581132 0 Symbol BAQ 2582714 Y Symbol QY rn T 2SB1132 R Symbol BAR 20004 Symbol QK 2SB1143 S Symbol B1143 ex C B E C 2SC3775 3 Symbol OY3 A5 SEMI CONDUCTOR INFORMATION 2SC2712 GR Symbol LG 2504215 O Symbol QO P5 2501664 Symbol DA ic FMW1 2SK210 GR Symbol YG RN1402 2SK880 Y Symbol XY 2SK882 Y Symbol TY D G 3SK131L Symbol V12 T Symbol W1 c E e DIODES 1SS196 Symbol G3 E Symbol XB ru 155226 Symbol C3 RN1404 Symbol XD las 155272 Symbol A1 XP6501 AB Symbol 5N 1SS321 Symbol
35. SCRIMINATOR CDBCA450CX24 LA 253 LA 243 LA 149 LA 243 LS 491 LS 491 LS 491 MLF1608D R47K T NL 252018T 082J NL 322522T 3R3J 3 NL 322522T 3R9J 3 LB 258 LB 257 NL 322522T 2R7J 3 NL 322522T 2R7J 3 MLR1608M R10K T MLR1608M R10K T MLR1608M R10K T NL 252018T 082J NL 252018T 082J LW 25 LA 243 MLF1608A 1R8K T MLF1608A 1R8K T LA 238 NL 252018T 047J ERJSGEYJ 470 V ERJSGEYJ 101 V 47 Q ERJ3GEYJ 105 V Q Q Q 9 ERJSGEYJ 105 V ERJSGEYJ 105 V 4 1 1 1 1 00 M M M USA IC M45 EUR IC M45EURO 7030003680 7030003320 7030003790 7030003600 7030003680 7030003560 7030003200 7030003420 7030003280 7030003480 7030003410 7030003460 7030003680 7030003400 7030003460 7030003390 7030003450 7030003680 7030003400 7030003690 7030003620 7030003490 7030003610 7030003680 7030003280 7030003280 7030003310 7030003440 7030003440 7030003440 7030003440 7030003590 7030003560 7030003640 7030003410 7030003550 7030003560 7030003380 7030003380 7030003420 7030003660 7030003420 7030003660 7030003390 7030003630 7030003440 7030003320 7030003320 7030003480 7030003520 7030003520 7030003320 7030003200 7030003440 7030003320 7030003440 7030003220 7030003220 7030000240 7030003480 7030003480 7030003680 7030003460 7310002740 7310002670 7030003560 7030003360 7030003480 7030003500 7030003560 7030003640 7030003320 7410000990 7410000990 7030003280 7030003280 7030003280 7
36. V1CA100SR 7030003670 S RESISTOR ERJSGEYJ 823 V 82 kQ 4030008630 S CERAMIC C1608 JF 1C 104Z T A 7030003630 S RESISTOR ERJSGEYJ 393 V 39 kQ 4030008680 S CERAMIC C2012 JF 1C 105Z T A 7510000750 S THERMISTOR NTCCS2012 3NH 103KC T 4030006900 S CERAMIC 01608 JB 1E 103K T A 7030003570 S RESISTOR ERJ3GEYJ 123 12 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003570 S RESISTOR ERJ3GEYJ 123 V 12 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7310002600 S TRIMMER RV 110 RHOSASASAXOAA 473 4030008630 S CERAMIC C1608 JF 1C 104Z T A 7030003550 S RESISTOR ERJSGEYJ 822 8 2 kQ 4030007170 S CERAMIC C1608 CH 1H 221J T A 7030003580 S RESISTOR ERJSGEYJ 153 V 15 kQ 4030007170 S CERAMIC C1608 CH 1H 221J T A 7030003630 S RESISTOR ERJSGEYJ 393 V 39 kQ 4030008630 S CERAMIC C1608 JF 1C 104Z T A 7030003320 S RESISTOR ERJSGEYJ 101 V 100 4030008630 S CERAMIC C1608 JF 1C 104Z T A 7030003560 S RESISTOR ERJSGEYJ 103 V 10 kQ 4030006860 S CERAMIC C1608 JB 1H 102K T A USA only 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003840 S RESISTOR ERJ3GEYJ 225 2 2 MQ 4550006250 S TANTALUM TEMSVA 1A 106M 8L USA only 4030009510 S CERAMIC C1608 CH 1H 010B T A 7030007590 S RESISTOR RR0816R 433 D 43 kQ 4030009910 S CERAMIC C1608 CH 1H 040B T A USA only 4030009530 S CERAMIC C1608 CH 1H 030B T A 7030003560 S RESISTOR ERJSGEYJ 103 V 10 kQ 4030009500 S CERAMIC 01608 CH 1H OR5B T A 7030003560 S RESISTOR ERJSGEYJ 103 V 10 kQ 40300
37. YJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 183 V ERJ3GEYJ 103 V ERJ3GEYJ 473 V ERJ3GEYJ 561 V ERJ3GEYJ 822 V ERJ3GEYJ 103 V ERJ3GEYJ 331 V ERJ3GEYJ 331 V ERJ3GEYJ 681 V ERJ3GEYJ 683 V ERJ3GEYJ 681 V ERJ3GEYJ 683 V ERJ3GEYJ 391 V ERJ3GEYJ 393 V ERJ3GEYJ 102 V ERJ3GEYJ 101 V ERJ3GEYJ 101 V ERJ3GEYJ 222 V ERJ3GEYJ 472 V ERJ3GEYJ 472 V ERJ3GEYJ 101 V ERJ3GEYJ 100 V ERJ3GEYJ 102 V ERJ3GEYJ 101 V ERJ3GEYJ 102 V ERJ3GEYJ 150 V ERJ3GEYJ 150 V MCR10EZHJ 68 Q ERJ3GEYJ 222 V ERJ3GEYJ 222 V ERJ3GEYJ 104 V ERJ3GEYJ 152 V 1 5 kQ RV 150 RHO3A3A14X0FC 103 RV 143 RHO3A3AS2 471 ERJ3GEYJ 103 V 10 ERJ3GEYJ 221 V 220 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 103 10 kQ ERJ3GEYJ 473 V 47 ERJ3GEYJ 101 100 0 EXB V8V 470JV EXB V8V 470JV ERJ3GEYJ 470 V ERJ3GEYJ 470 V ERJ3GEYJ 470 V ERJ3GEYJ 473 V ERJ3GEYJ 473 V ERJ3GEYJ 473 V ERJ3GEYJ 473 V ERJ3GEYJ 103 V 100 ko 100 Q 820 kQ 22 kQ 100 kQ 10 kQ 10 Q 680 Q 47 Q 2 2 kQ 560 Q 1 5 kQ 100 kQ 470 Q 1 5 kQ 390 Q 1 2 kQ 100 kQ 470 Q 120 kQ 33 kQ 2 7 kQ 27 kQ 100 kQ 47 Q 47 Q 47 Q S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER NO DESCRIPTION NO DESCRIPTION 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ 4030011190 S CERAMIC GRM42 6 270J 500PT 7030003560 S RESISTOR ERJSGEYJ 103 V 10 kQ 4030007010 S CERAMIC C1608 CH 1H 100D T A 703000
38. e applied to the active filters Q21 Q22 Q21 functions as a high pass filter to suppress unwanted lower noise signals and Q22 functions as a low pass filter to suppress higher noise signals The filtered signals are passed through the VOLUME con trol and are then applied to the AF power amplifier IC9 pin 1 via the analog switch IC5 pins 4 3 The output signal from IC9 pin 4 drives the internal external speaker FM detector 2nd IF filter 450 kHz 30 4 MHz ET 2 PLL IC IC3 Mixer Y X1 15 2 MHz IC1 TA31136F 1st IF 30 85 MHz from Q3 SQL signal to the CPU pin 22 13 116 W O 5 R22 3 1 6 SQUELCH CIRCUIT A squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch A portion of the AF signals from the FM IF IC IC1 pin 9 pass through the SQUELCH control pot and are then applied to the active filter section IC1 pin 8 The active fil ter section amplifies and filters noise components The fil tered signals are applied to the noise detector section and output from pin 13 as the SQL signal The SQL signal is applied to the CPU LOGIC unit IC1 pin 22 The CPU ana lyzes the noise condition and outputs the RMUT signal via the I O expander IC IC7 to toggle the analog switches IC5 pins 4 3
39. erts the 1st IF signal to a 2nd IF signal A double superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The FM IF IC IC1 contains the 2nd local oscillator 2nd mixer limiter amplifier quadrature detector and noise detector circuits etc The 1st IF signal from Q3 is applied to the 2nd mixer section of IC1 pin 16 and is mixed with a 30 4 MHz 2nd LO signal generated at the PLL circuit by doubling the reference fre quency 15 2 MHz to produce a 450 kHz 2nd IF signal The 2nd IF signal from IC1 pin 3 is passed through the ceramic filter FI2 where unwanted signals are sup pressed and is then applied to the 2nd IF and limiter ampli fiers in IC1 pin 5 The signal is applied to the FM detector section in IC1 for demodulation into AF signals The FM detector circuit employs a quadrature detection method linear phase detection which uses a ceramic dis criminator X2 for phase delay to obtain a non adjusting cir cuit The detected signal from IC1 pin 9 is applied to the AF circuit 3 1 5 AF AMPLIFIER CIRCUIT The AF amplifier circuit amplifies the detected signals to drive a speaker The AF circuit includes an AF mute circuit for the squelch AF signals from IC1 pin 9 are applied to the de emphasis circuit R92 C152 The de emphasis circuit is an integrated circuit with frequency characteristic of 6 dB octave The integrated signals ar
40. fied at Q7 and Q9 and are then sent to the T R switch D9 The receive LO signal is applied to the 1st mixer circuit Q2 through a low pass filter and the transmit signal is applied to the pre drive amplifier Q10 A portion of the VCO output is reapplied to the PLL IC IC10 pin 2 or pin 13 via Q8 3 4 POWER SUPPLY CIRCUITS LINE DESCRIPTION The voltage from the connected DC power sup ply Same voltage as the HV line which is passed through the PWR switch VR A unit R1 Common 5 V converted from the HVS line at the 5V regulator circuit IC8 Receive 5 V converted from the 5V line at the R5 regulator circuit Q19 Q20 The regulated volt age is applied to the receiver circuits Transmit 5 V converted from the 5V line at the T5 regulator circuit Q17 Q18 PUES to transmitter circuit Buffer 1st mixer circuit IC3 PLL IC filter 8 Phase Programmable 2 Prescaler detector counter 30 4 MHz signal 1 3 lt P STB _ to the FMIFIC 17 x2 Programmable Shift register 14 CK divider S DATA 16 1 15 2 MHz 00 3 5 PORT ALLOCATIONS 3 5 1 CPU LOGIC unit IC1 LBATT Description Input port for the connected power supply voltage detection low voltage indicator PTT M Input port for the PTT switch 3 5 2 OUTPUT EXPANDER MAIN unit IC7 Desc
41. http www icomeurope com lt Customer Service gt N Phone 425 454 7619 Icom Spain S L Crta de Gracia a Manresa Km 14 750 Icom Canada 08190 Sant Cugat del Valles Barcelona SPAIN 3071 5 Road Unit 9 Richmond B C V6X 2T4 Canada Phone 93 590 26 70 Fax 93 589 04 46 Phone 604 273 7400 Fax 604 273 1900 URL http www icomspain com URL http www icomcanada com UK Ltd Icom Australia Pty Ltd com UK Unit 9 Sea St Herne Bay Kent CT6 8LD U K A C N 006 092 575 Phone 01227 741741 Fax 01227 741742 290 294 Albert Street Brunswick Victoria 3056 Australia URL http www icomuk co uk Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au Icom France S a ac de la Plaine Rue Brindejonc des Moulinais P 5804 31505 Toulouse Cedex France hone 561 36 0303 Fax 561 36 03 00 RL http www icom france com Asia Icom Inc F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C one 02 2559 1899 Fax 02 2559 1874 vo CUON Count on us Icom Inc 5 1361117 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan 2000 Icom Inc
42. illating signal RF signal using the microphone audio signals Audio signals from the splatter filter IC6b pass through the frequency deviation adjustment pot R130 and are then applied to the modulation circuit D7 to change the reac tance of D7 and modulate the oscillated signal at the TX VCO Q4 3 2 3 DRIVE AMPLIFIER CIRCUIT The drive amplifier circuit amplifies the VCO oscillating sig nal to a level needed at the power amplifier The VCO output is buffer amplified by Q7 and Q9 and is then applied to the T R switch D9 The transmit signal from the T R switch is amplified to the pre drive Q10 and drive Q11 amplifiers to obtain an approximate 400 mW signal level The amplified signal is then applied to the RF power amplifier 02 3 2 4 POWER AMPLIFIER CIRCUIT The power amplifier circuit amplifies the driver signal to an output power level IC2 is a power module which has amplification output capa bilities of about 35 W The output from IC2 pin 4 is passed through the antenna switching circuit D13 and is then applied to the antenna connector via the low pass filter 3 2 5 APC CIRCUIT The APC circuit stabilizes transmit output power The RF output signal from the power amplifier IC2 is detected at the power detector circuit D11 D12 L22 and is then applied to one of the differential amplifier inputs Q13 pin 5 via the High Low control circuit R70 R71 Q16 The applied voltage controls the differential
43. m 05 99 32 255 gt 22 26 C td 6 5 wa C13 0 01 5 4 R27 150k R33 47 k IC2 2 g T w S 80742SL A6 R32 47 T 2SC2712 GR W 88 855 828 47k 0 01 R3147k R9 100k C7 R5 0 22 1k FA R7 az 220 k to MAIN GSP Unit JA R8 Di R6 220k 155196 470k 2SB1132Q R20 68 k R21 47 k LAMP1 R2239k C10 R28 q 56k amp E 5 E 8 8 5 p M 814 Ri cis 7 100k u VCC 051 n 8 1 L7 2 on CK 263 oor 2 bh 001 001 0 01 DATA 5 4 8 1 H Si vss 059 7 lt 2SA1162 GR w KEV 6 3 ID i w Q3 Ed d from Microphone AR Ri2 10 2582712 GR R3 100k cg 1 47k 0 01 E IC3 TC7WO02F 10 1 10 2 MAIN UNIT
44. ower source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits or electronic parts An insulat ed turning tool MUST be used for all adjustments 5 DO NOT keep power ON for a long time when the trans ceiver is defective 6 DO NOT transmit power into a signal generator or a Sweep generator 7 ALWAYS connect a 40 dB to 50 dB attenuator between the transceiver and a deviation meter or spectrum ana lyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver TABLE OF CONTENTS SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 2 3 3 1 3 2 3 3 3 4 3 5 4 4 1 4 2 4 8 4 4 5 6 7 8 8 1 8 2 9 SPECIFICATIONS DISASSEMBLY INSTRUCTIONS IRCUIT DESCRIPTIO BLOCK DIAGRA 10 VOLTAGE DIAGRAM 10 1 10 2 10 3 SECTION 1 GENERAL Frequency coverage Mode Usable channels Power supply requirement Usable temperature range Frequency stability Current drain at 13 8 V DC Antenna impedance Dimensions projections not included Weight H TRANSMITTER Output power at 13 8 V DC Modulation Maximum frequency deviation Spurious emissions Adjacent channel power Residual modulation Audio harmonic distortion Audio frequency response H RECEIVER Receive s
45. ription Outputs the R5 regulator Q19 Q20 control signal Low While receiving TXDET Input port for the TX indicator from the power detector circuit Main unit D11 D12 Outputs the T5 regulator Q17 Q18 control signal Low While transmitting SQLV Input port for the squelch volume level KEY M Input port for the smart mic functions 2 02 V UP is pushed 3 00 V DN is pushed 3 84 V HI LO is pushed Output port fo RF output power High or Low select signal Low While low power is selected Outputs the reset signal for optional unit via J5 MAIN unit BEEP Outputs beep audio signals OEX STB Outputs strobe signals for the output expander MAIN unit IC7 Outputs the analog switch IC5 con trol signal Low While squelched P STB Outputs strobe signals for the PLL cir cuit DATA Outputs data signals to the EEPROM IC4 PLL IC MAIN unit IC3 and expander ICs MAIN unit IC7 etc Outputs clock signal to the EEPROM IC4 PLL IC MAIN unit IC3 and expander ICs MAIN unit IC7 etc Input port for the data signals from the EEPROM 1 4 Input port from the FM IF IC MAIN unit IC1 for the squelch operation Input port for the PLL unlock signal Low While PLL is locked Input port for the weather alert tone decode signal Low Weather alert tone 1050 Hz is detected Outputs LCD backlight con
46. trol signal High While LCD backlight is ON DOWN Input port for the microphone hanger detection signal Low Microphone on hook Input port for the DOWN switch UP Input port for the UP switch H L Input port for the H L switch SCAN Input port for the SCAN switch CH WX Input for the CH WX switch CH16 9 Input port for the 16 9 switch Outputs transmit mute signal Low While transmitting SECTION 4 ADJUSTMENT PROCEDURES 4 1 PREPARATION REQUIRED TEST EQUIPMENT GRADE AND RANGE EQUIPMENT EQUIPMENT GRADE AND RANGE DC power supply Output voltage Current capacity 13 8 V DC 10A or more Audio generator Frequency range Measuring range 300 3000 Hz 1 500 mV RF power meter terminated type Measuring range Frequency range Impedance SWR 1 50W 100 300 MHz 50 Q Less than 1 2 1 Standard signal generator SSG Frequency range Output level 0 1 300 MHz 0 1 uV 32 mV 7127 to 17 dBm Frequency counter FM deviation meter Frequency range Sensitivity Frequency range Measuring range 0 1 300 MHz Frequency accuracy 100 mV or better 30 300 MHz 0 to 10 kHz Oscilloscope Frequency range Measuring range DC 20 MHz 0 01 20 V H ppm or bettor AC millivoltmeter Measuring range 10 mV 10 V External speaker Input impedance Capacity
47. ystem Intermediate frequencies Sensitivity Squelch sensitivity Adjacent channel selectivity Spurious response Intermodulation rejection ratio Hum and noise Audio output power at 13 8 V DC Audio frequency responce SPECIFICATIONS 156 025 157 425 MHz Tx 156 025 163 275 MHz Rx 16 FM Model Version USA USA 1 ITA FRA IC M45 IC M45EURO 13 8 V DC 15 negative ground 220 C to 60 C 4 F to 140 F 310 ppm 20 to 60 C 4 F to 140 F Transmit at 25 W 6 0A Receive max audio 1 2 A 50 Q nominal 152 W x67 H x144 D 6 W x29 8 H x52 D in 900 g 2 Ib High 25 W Low 1W Variable reactance frequency modulation 35 0 kHz 70 dB 60 dB 40 dB Less than 1096 at 7096 deviation 1 dB to 3 dB of 6 dB octave from 300 Hz to 3000 Hz Double conversion superheterodyne system dst 30 85 MHz 2nd 450 kHz 0 22 UV typical at 12 dB SINAD 0 22 UV typical 70 dB typical 70 dB typical 70 dB typical 40 dB 4 0 W typical at 10 distortion with an 4 load 2 dB to 8 dB of 6 dB octave from 300 Hz to 3000 Hz All stated specifications are subject to change without notice or obligation H VHF MARINE CHANNEL LIST Channel No Frequency MHz Channel No Frequency MHz USA INT Transmit Receive USA INT Transmit Receive USA INT Transmit Receive 156
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