IC-M422 SERVICE MANUAL - R
Contents
1.2. 9 5 HM 150B SW TOP VIEW US gun mm sewer CN S s gt BEENS 1110444 a 2 a U 20 208 8 20 8 0 U is 1 rd H T v a 3 N 53 6100 8109 Gogez para 72 eng E Bae 1520 E 8n 1122 p 1 5d dw 9 5 2 Jat 414 E N m sl p T dal 922 GR ENS pm E mnl 0220 942 ELT B el ES b 5 gin na Eo m gs d b 5 009 Em 2 Az maga GS m N n o_o 1919 wo 489 EE i amp j Ud 85 1819 5 e a may ma O E m ET E UP fou a Ea Eu B 48 Ph qm 9 L pau js nifl ET BHH 4 CN 719 E EB 9812 4 n 569 000 mi gu ETE qs T a E 5 0 8 E g Em amp L 4 amp Bun all m mu Ele el B ES 8 a 81 E 1 2 E mug 2 29 re
3. MAIN UNIT MAIN UNIT ORDER HV ORDER HIV NO DESCRIPTION LOCATION NO DESCRIPTION LOCATION 7030007990 5 ERJ12YJ820U 82 83 4 69 4 7030003630 ERJ3GEYJ 118 9 20 3 7030003670 5 ERJ3GEYJ 823 V 82 105 4 93 6 7030003580 ERJ3GEYJ 118 9 21 6 7030003720 5 224 V 220 78 3 75 9 7030003470 ERJ3GEYJ 118 9 22 9 7030003690 ERJ3GEYJ 124 V 120 78 3 73 1 7030003790 ERJ3GEYJ 18 9 53 3 7030003680 ERJ3GEYJ 104 V 100 110 5 57 1 7030005250 ERJ3GEYF 103 V 18 9 54 7 7030003320 ERJ3GEYJ 101 V 100 106 4 57 4 7030003200 ERJ3GEYJ 34 1 49 3 7030003680 ERJ3GEYJ 104 V 100 112 2 49 2 7030004760 ERJ3GEYF 822 V 8 2 17 7 56 8 7030003630 ERJ3GEYJ 393 V 39 111 2 55 7030003680 ERJ3GEYJ 104 V 100 22 9 49 1 7030003640 ERJ3GEYJ 473 V 47 113 3 54 4 7030003560 ERJ3GEYJ 103 V 10 22 9 50 5 7030003260 330 V 33 111 6 46 6 7030003480 ERJ3GEYJ 222 V 2 2 21 4 46 3 7030004050 ERJ3GEYJ 1R0 V 1 107 3 54 4 7030003650 ERJ3GEYJ 563 V 56 18 5 47 7030003410 ERJ3GEYJ 561 V 560 107 3 55 9 7030003680 ERJ3GEYJ 104 V 100 18 9 51 9 7030003680 ERJ3GEYJ 104 V 100 100 59 5 7030003560 ERJ3GEYJ 103 V 10 18 5 45 6 7030003680 ERJ3GEYJ 104 V 100 94 61 6 7030003540 ERJ3GEYJ 682 V 6 8 21 4 43 1 7030003680 ERJ3GEYJ 104 V 100 90 5 62 2 7030003770 ERJ3GEYJ 564 V 560
4. DTA144 EUA Symbol 16 KRC404 RTK P Symbol ND J KTA1664V RTF P Symbol R ls e DIODES 155355 Symbol u KTA2015Y RTK P Symbol Z la 1SV307 Symbol TX ag 8805 Symbol AQ Ah DSA3A1 Symbol Green Green A KTC4075 BL RTK P Symbol L Ab HSM88ASR Symbol C3 6104 TE85L Symbol VS 6 HVC350BTRF Symbol B0 A KDS122 RTK P Symbol C3 M KDV214E RTK P Symbol UO E 9 MA2S111 Symbol A Ad Ec L 77 Symbol 4 _ 8062 Symbol 6 2 Ad L L308CCB Symbol T8 A CD p combination of this and the next shows SECTION 9 BOARD LAYOUTS the unit layout in the same configuration as the actual P C Board 9 1 LOGIC BOARD TOP VIEW V50 V30 9 2 VR BOARD
5. V25 XT JE B Sp s 2 ph 36480A d 1 B6308A Je cra SP x 3 s m A RU 15 DTRS_ Je 825 Cy 18 8 DSP 5 RB 09 2P Ay 872 V10 8 2 y LO DX 4 x 3 V5 BOTTOM VIEW J2 VO H90 H85 H80 H75 H70 H65 H60 H55 H50 H45 H40 H35 H30 H25 H20 H15 H10 H5 HO J2 11 4 J3 zd 44 45 gt gt gt 5 30 2 30 FT 5 2 5151 Se BED ZB s Oo BOO SEE EFT s a or e x972 gt _ ale x gt to HM 150B SW 552 8 6 29 DP j v ail Els o osea to REAR CABLE to MAIN Unit J4 MAIN Unit J5 combination of this and the next shows the unit layout in the same configuration as the actual P C Board to ANT J1 CHASSIS CP20 9 4 MAIN BOARD VIEW 16 CHASSIS V95 0255 V90 V85
6. SERVICE MANUAL VHF MARINE TRANSCEIVER IC M422 5 14131 2 1 4 2006 Inc INTRODUCTION This service manual describes the latest service information for the IC M422 VHF MARINE TRANSCEIVER at the time of publication COLORS 422 BLACK BLK SUPER WHITE SW To upgrade quality all electrical or mechanical parts and internal circuits are subject to change without notice or obligation DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V Such a connection could cause fire or electric hazard DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply an RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the trans ceiver s front end VHF MARINE IC M422 9 DUAL 16 cw TG m SCAN ORDERING PARTS Be sure to include the following four points when ordering replacement parts 10 digit order numbers Component part number and name Equipment model name and unit name Quantity required RON lt SAMPLE ORDER gt 5030002790 LCD 0286 422 8810009510 Screw 2 4 NIxZU 422 Main unit 5 pieces Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure the problem is internal before dis assembling the transceiver
7. Sek PUBLIC ADDRESS PA CIRCUIT POWER SUPPLY CIRCUITS ce ring ade bag RA CPU PORT ALLOCATIONS REI bade ADJUSTMENT PROCEDURES PREPARATION dive me iuvet ek qu stu oao kaqa bia FREQUENCY ADJUSTMENT TRANSMIT ADJUSTMENT 4k ADJUSTMENT PARTS LIST o rrr LM TS0B SW M MECHANICAL PARTS AND DISASSEMBLY SEMICONDUCTOR INFORMATION BOARD LAYOUTS LOGIC BOARD E VA BOARD Em SQL BOARD WAIN UNIT sa ER BLOCK DIAGRAM VOLTAGE DIAGRAM MAIN UNIT LOGIC BOARD HM 150B SW MECHANICAL PARTS AND DISASSEMBLY VOLTAGE DIAGRAM SECTION 1 GENERAL Frequency coverage Type of emission Antenna impedance Operating temperature range Power supply requirement Current drain At 13 8 V DC approx Dimensions Projections not included Weight Approx TRANSMITTER Output power At 13 8 V DC Modulation Maximum frequency deviation Frequency error Spurious emissions Adjacent channel power Audio harmonic distortion Residual modulation Audio frequency response Microphone impedance ll RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity At threshold Adjacent channel selectivity Spurious response Intermodulation rejection ratio Hum and N
8. 15K 0 001 R178 R181 C174 RX 0 41 215 C214 9t 10K 47K 4p 1 R211 C151 1 1 J 470k cist ceol cwo rise 10p 028 35 01 0 0017 33 KDV214E D27 D26 J J J R173 KDV214E KDV214E 100k C212 L C211 10k mer 8 I 1 1 I 179 C165 C163 C155 01 0 001 0 001 0 001 D25 J 1 1 1 KDV214E R213 R212 33k z 820 C217 L EXE i NJM2125F m S5V AF5V Q36 2SK1069 4 TL E gt C271 C235 R271 R283 10 0 1 470k 27k 18k DSC5V 47 R5V c273 L com C285 0 01 Q38 4075 BL 1 5 C286 R273 R274 R275 237V 0 033 10k 10k NJM2211M 1 KTC4075 c237 L R240 560p T 22k R286 1 15k DSDEC FILO c6 272 gt 2 cors 82 BU4066BCFV 33k 0 0068 0 0022 R287 m 0 01 1 8k BU4066BCFV on SMICIN CONT T2 PTIC 101 VDD CONT4 MICAE CONT4 Sno Ol CONTI 102 104 Pris 1 04 AEMIC Olla CONT4 MMUTEP S CONT2 0 4 PTIC 0 4 SEMIC 1 DSDEC 1 02 1 04 FILRMP CONT3 CONT2 vss 103 MICAF MICAF CONT3 MICAF vss 1 03 INCOM INCOM WXDEC WXDEC lt ene DSDEC R262 R269 100k amp 100k Q37 a DTA144EU PAOUT 2 2 2 R5V R5V L3 R5V REV PAOUT T5V T5V TSV HV HV HV 11 2 T5V HV HV T5V T5V CP15 to ANT CP20 11 2 LOGIC BOARD 4 SEG19 34 SEGO 18 P14 Kl4 1 SEG42 P02 SEG41 P01 SEG40 P00 SEG39 P127 SEG38 P126
9. FL 363 014 021 038 KTC4075 023 KTC3880S 21 7 MHz D22 1SS307 XB15A308 A Q22 3SK131 WXDEC FM 2ND IF 2ND ANT PF mx K lt Am sw FRONT UNIT IC15 NUM2211M A D26 D27 D28 Q21 3SK131 D25 KDV214E SP1 INT SP Q31 Q32 KDV214E AF DSDEC DSC KTC4075 p NOISE R5 DECODER AMP DET 4 lt R214 BPF D7 D8 Q10 Q12 MA77 2SC4226 2SC3775 RA35H1516M IC11 NJM2125F TX RX VR BOARD SW sat VOL1 awe Kl RI VOL2 1 CR 804A IC4C IC4B 21 25 MHz S BU4066BCFV BU4066BCFV 2nd LO D12 13 TXDET 0 1 HSM88ASR PES gt PWR AF FILO AF FILOS gt MUTE MUTE Q3 2SC4215 Q7 SC4215 PLL 7X 017 KRC404 SQL BOARD 1 12 NJM2107F 011 25111 Z APC PWR HL cm 4 lt T RMUTEM Q4 Q5 2864226 Ri Y 03 D4 HVC350B Q6 28C4215 gt SQLV RMUTES T5V 010 MA2S111 LOOP 0 052 KRC404 veo KIA7805API 057 KTA2015 TXMUTE TMUTE CTRL 45 S5V T5 IC5A IC5B REG CTRL BU4066BCFV BU4066BCFV R112 40 INCCM AF INCOM AF INCMC 4 gt P4 9 MOD R5 d SHIFT K R327 IC5B Q2 KRC404 LOGIC BOARD hence D1 D2 MA77 T gt BUFF BPFV RS R5V D61 TPC6104 CTRL 051 IS08328E 1 5 MMUTES D62 KRC404 NJM2904M HV vcc LCD M9 BUFF DSCENG eu REVERSE Td CONNECT s PROTECT RE BOARD z D42 1 B S 055 KTA1664 Q4 KRC414 i 9 Q56 KTC4075 D1 KDS122 VV
10. 25 40815 Fee T KDS122 55 tk lt 0 001 css R88 R87 I Ra HN58X2464TI CLORXD 0 001 T 01 T 100k 4 7k 100 Ras NMTXD ir 100k C4 xi CLOTXD D5 24p CR 739 155355 T nm 8062 1 E 2 3 4 5 6 7 8 49 ND PO dw 9 m PIT T ANN T C101 C102 R106 0 001 I 0 001 J3 47k quoc Sv Ae MICG 1 8103 3 HM 1508 5W JPW EP101 GND d 92 R104 JPW he C104 IC2 9 901 Internal S 80942CNMC G9C G KEYM Speaker to MAIN unit a J4 2 me O vous Sore 014 13 1439 DSCENC DSCENC GND WXDEC I WXDEC is 9 O6 5 S5V E 02 1 2 O 5 C114 0 001 i 470p T EVDATA 030 29 anp O28 27 BEND O26 25 MMUTEM RMUTEM O24 23 MMUTES RMUTES O22 21 RMUTEP 020 19 to unit PAMUTE O18 17 J5 PAL o ws m O16 15 OPC 1439 O 18 PIS t012 11 ret O10 8 aD los 7 EXTTXD EXTTXD los E EXTRXD UNK 9 PDATA PSTB 55 4 PCK o 11 3 12 2 VOLTAGE DIAGRAM SECTION 12 HM 150B SW 12 1 MECHANICAL PARTS AND DISASSEMBLY CHASSIS PARTS MAIN PARTS W1 1081 BLK ORDER NO DESCRIPTION
11. ORDER DESCRIPTION QTY OPC1082 SW 8900012212 Cable OPC 1249B HM 150B MC1 7700002640 MIC KUC3523 040245 22222222 8900013570 Cable OPC 1406 HM 150SW CHASSIS UNIT 51 14 i TO TL 8210020111 2715 front panel 1 HM 150B 8210021061 2715 front panel C 1 HM 150SW 8210020120 2715 rear panel HM 150B 8210021240 2715 rear panel C HM 150SW 8930060910 2715 key 8930060920 2715 PTT rubber 8930061970 2715 A PTT holder 8930060930 2715 main seal 8930011600 2715 hanger knob 8610060951 2715 bush plate 1 8310060990 2715 MIC plate 8310061000 2715 MIC tape 8820061010 2715 A MIC sheet 8850060960 O ring AY 8930060970 O ring AZ 8820001260 2715 screw 2 6 x18 SUS 8810010230 Screw BiH M4 x 8 ZK 8850002000 Spring washer M4 SUS 8810010240 Screw PH BO 2 x 6 NI BT 8930061700 2715 PTT plate to MAIN unit J4 aon UPON 2 0V DNON 3 0V HILON 38V 52 24 Unit inch 1 21 32 7 2 d 4 2k vob X iE E dcc ouo Screw and washer abbreviations BO BT Self Tapping PH Pan head NI Nickel SUS Stainless ZK Black BiH Bind head 8 C MP14 C MP9 C MP17 C MP16 C
12. LINE i 7 i piei 28 li i K TX H 3 12V sg D em R84 SS K Q12 2 56V 111 6112 L C119 L C120 R122 R124 9 390 Ml WW 25 3775 3 T 470p T 0 001 0 001 T 0 001 131 58 R81 C84 85 1 F00 C105 LA 243 1k 18p 18 10k 0 001 ae d C123 C142 C82 87 R88 J c181 L D21 0 001 47 0 001 100 pas Bas 9108 106 C109 R105 0 001 x 9 001 39 C95 96 C97 JW 011 C108 E 100 rote 0 001 47 470p 0 001 010 9102 HSMB8ASR gog 2SC4226 R25 22k n J 27 D D11 2114 Rus D R127 123 De z 25111 220 1k 220k 47H IT I Nunes 8107 8106 M C138 C139 C140 R128 33k T R116 sey m ALFY450E 390 R179 022 KRC404 22k kien 1SVso7 F I t e col cio eil C124 104 TX 5 07V TX H 2 07V sus pes 5 22k L 0 00 L 0 66 m edi E 22k z lt R5V RSV em R206 390 I I 3 52V 1 4 1 R182 ANA ioni T PUER R205 m 001 T 10 1 1 5k L 4 1 209 208 R77 R176 00177 10 CDB4soc24 0205 ciss 187 1 5 cies R183 22K 1 5M R208 C207 100p 0 001 0 1 112 5 56 1K 3 3k 0 001 0 82H IC2 L39 C176 C175 138 C164 TA31136FNG LS 440 LF 075p 05 LS 440 LF R209 R 7 1 5k R204 R5V C188 Q23 5 Q22 5p Top EE KTC3880S Y F363 185 3SK131 L GD Seed FIN 891 2
13. to REAR CABLE m POWER gt RED SP CP17 SHIELD to EXT SP CP16 E SPEAKER YELLOW PAO CP21 NS BLUE to EXT PA SPEAKER PAO 22 E 1 SHIELD VIEW H45 H40 H35 H30 H15 H10 H5 HO H5 v5 vo SECTION 10 BLOCK DIAGRAM HM 150B SW MIC MIC E a FI3 ALFY450E BPFV CERAMIC gt IC2 TA31136FNG FL 368 P
14. 2 19 s 4 OG MP5 C a e MP10 C MP20 C pe MP7 C W1 C P d MAIN UNIT MP3 C MP12 C HM 150B SW UNIT abbreviations C CHASSIS PARTS MAIN UNIT 1 C 12 1 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 81 06 6793 5302 Fax 81 06 6793 0013 URL Rhttp www icom co jp world index html Icom America Inc lt Corporate Headquarters gt 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 1 425 454 8155 1 425 454 1509 URL http www icomamerica com E mail sales 9 icomamerica com Customer Service Phone 1 425 454 7619 Icom Canada Glenwood Centre 150 6165 Highway 17 Delta B C VAK 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Icom Australia Pty Ltd Unit 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 Fax 61 03 9549 7505 URL http www icom net au E mail sales icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 64 09 274 4062 URL http www icom co nz E mail inquiries icom co nz Fax 64 09 274 4708 Beijing Icom Ltd Room C01 10th Floor Long Silver Mansion No 88 Yong Ding Road Haidian District Beijing 100039 China Phone 86 010 5889 4250 Fax 86 010 5889 4250 URL http www bjicom com E mail bjicom bji
15. LE ip 00 E 7 Ew 2 9 m 09 _ ME BU 101 tg a 8 T B m 5 80 80 EIE 8 gt m R w Z m 9 1669 o 8 SSO J 9 p 584 s030 a ag 3 n 205 weena L 00 es 3 989 5 B ws ETSI ih Bz ri E ag ERU E 80 PA 8 84 pw 2 1019 7778 gO g x ZA Bos 8 2 m en CT Qhasa 80 a f al AY 4 ED 769 pen g azo La Ed 80 sana n im EH EB BUB N 29 y to x 0 Nae 2 TA 8950 8 L 0580 8928 Te ET 107 SUR 4 B im 185 qa E 2 5 8 ry p age py af x E wa 9 3 7 BL 80 670 LSC n 3850 3 504 N E 8 8709 y 8908 2 Ta 5 m a SRE E m no B Q 8 75 41 as E is E lt gt 2 c oc 189 2 ci ca Ex 8 E 7050 veeg 1159 2690 i 8 ce ao 0 B 6869 EE exu lt gt wo wo wo wo wo wo wo wo m E 10 wo e e N gt gt 5 gt gt gt gt gt E E ES 5 vo H5 H10 15 20 2
16. SP Black 5 2 FREQUENCY ADJUSTMENT ADJUSTMENT POINT UNIT OPERATION UNIT ADJUST LOCK Channel CH16 156 800 MHz MAIN Connect a digital multi MAIN Verify VOLTAGE Receiving meter or oscilloscope Channel CH16 156 800 MHz to the check point P1 Verify Output power Low Transmitting REFERENCE Channel CH16 156 800 MHz Loosely couple a fre 156 800 MHz C12 FREQUENCY Output power Low quency counter to the 500 Hz Connect a power meter to the antenna antenna connector connector Transmitting ADJUSTMENT MEASUREMENT CONDITION ADJUSTMENT ope E CLP C12 Reference frequency adjustment CP1 Lock voltage check point 5 3 TRANSMIT ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION POINT UNIT OPERATION UNIT ADJUST OUTPUT e Channel CH16 156 800 MHz Rear Connect an RF power MAIN R112 POWER Output power High Panel meter to the antenna Transmitting connector FREQUENCY Channel CH16 156 800 MHz Rear Connect an FM 4 25 4 35 kHz DEVIATION Output power Low Panel deviation meter to the Connect an audio generator to the pin 28 antenna con nector of J4 MAIN UNIT and set as
17. tected voltage is applied to the APC amplifier IC12 pin 3 The voltage of the 5 line is applied to another input pin 1 via the transmit output power adjustment pot R112 as the reference voltage The output voltage from the APC amplifier controls the bias of the power amplifier IC3 to control the output power by comparing the detected voltage and the reference voltage Thus the APC circuit maintains a constant transmit output power to the anntena Power detector TXDET 4 3 PLL CIRCUITS 4 3 1 VCO CIRCUIT The VCO circuit Q4 Q5 D3 D4 directly generates both of the 1st LO frequency for receiving 134 35 141 575 MHz and the transmit frequency 156 025 157 425 MHz While receiving the VCO output signal 1st LO signal is am plified at the buffer amplifiers Q6 Q7 and passed through the TX RX switch D8 then applied to the 1st mixer Q22 While transmitting the VCO output signal transmit signal is amplified at the buffer amplifiers Q6 Q7 and passed through the TX RX switch D7 then applied to the pre driver Q10 A portion of the VCO output signal from the buffer amplifier Q6 is fed back to the PLL IC IC1 pin 2 as the comparison signal via the buffer amplifier Q3 and the LPF L2 C34 C35 4 3 2 PLL CIRCUIT The PLL circuit provides stable oscillation of the transmit frequency and receive 1st LO frequency The PLL circuit compar
18. 18 5 43 1 7030003560 ERJ3GEYJ 103 V 10 98 7 59 5 7030003680 ERJ3GEYJ 104 V 100 18 9 50 5 7030003820 ERJ3GEYJ 155 V 1 5 81 2 57 7 7030003520 ERJSGEYJ 472 V 4 7 18 5 40 3 7030003600 ERJ3GEYJ 223 V 22 79 9 61 9 7030003610 ERJ3GEY 273 V 27 21 4 41 7 1 7030003560 ERJ3GEYJ 103 V 10 76 6 59 4 7030003680 ERJ3GEYJ 104 V 100 25 7 41 7 7030003480 222 V 2 2 115 7 61 2 7030003590 ERJ3GEYJ 183 V 18 23 2 40 4 7030003250 ERJ3GEYJ 270 V 27 118 1 57 5 7030003670 ERJ3GEYJ 823 V 82 28 5 40 3 7030003640 ERJ3GEYJ 473 V 47 79 9 57 7 7030003670 5 ERJ3GEYJ 823 V 82 31 3 40 3 7030003200 100 V 10 81 49 9 7030003670 S ERJ3GEYJ 823 V 82 34 1 41 7 k 79 5 48 6 7030003680 ERJ3GEYJ 104 V 100 81 9 44 9 7030003610 ERJ3GEYJ 273 V 27 84 9 27 6 7030003800 ERJ3GEYJ 105 V 1 M 86 3 27 6 7030003470 S ERJS3GEYJ 182 V 1 8 84 2 25 7030003560 ERJ3GEYJ 103 V 10 82 5 25 7510001671 NTCG16 4 103JT 96 7 30 9 7030003560 ERJ3GEYJ 103 V 10 85 6 30 4 7030003580 ERJ3GEYJ 153 V 15 87 3 18 4 7310005030 RHO3ADCS4X 47 90 6 21 7030003550 ERJ3GEYJ 822 V 8 2 96 3 21 8 7030003770 ERJ3GEYJ 564 V 560 100 5 21 8 7030003580 ERJ3GEYJ 153 V 15 101 9 21 8 7030003620 ERJ3GEYJ 333 V 33 99 6 26 1 7030000100 MCR10EZHJ 4 7
19. 300 3000 Hz Audio generator Measuring range 1 500 mV DC power supply Measuring range 1 30 W RF power meter Frequency range 100 300 MHz Standard signal terminated type Impedance 750 Q generator SSG SWR Less than 1 2 1 Frequency range 0 1 300 MHz Frequency range 0 1 300 MHz Output level 0 1 uV to 32 mV 127 to 17 dBm Frequency range DC to 20 MHz Measuring range 0 01 20 V Frequency counter Frequency accuracy 1 ppm or better Oscilloscope Sensitivity 100 mV or better Frequency range 30 300 MHz Measuring range 010 10 kHz AC millivoltmeter Measuring range 10 mV to 10 V FM deviation meter Input impedance 4 Q External speaker Capacity More than 5 W DC volt meter Input impedance 50 V DC or more Power attenuation 40 50 dB Attenuator Capacity More than 30 W CONNECTION CAUTION Standard signal DO NOT transmit while SSG is connected generator to the antenna connector 0 1 uV to 32 mV 127 to 17 dBm AC millivoltmeter DC power supply 13 8V 10A RF power meter 1 30 W Y Frequency counter FM deviation meter Attenuator 40 dB or 50 dB Distortion meter Speaker 4 J0joeuuoo 4 Od OL peaj Jayeeds JO 99uuoo y E SP a
20. 4 96V Q55 Q53 KTA2015 Y Q54 KRC404 sd 8 34V KTA1664 Y R5V HELM A e R8V KTC4075 BL RX 5 05V 0 001 a Q57 1 TX 4 85V 2015 VCC RSV R8V T5V HV DSCENC R25 100 R44 100 R51 680 R45 390 cag L 470p T R52 68k C51 2 Q4 975 5 25 4226 R R46 C48 180 I 470p 0 84V Q5 25 4226 R25 pen Q6 2SC4215 O F 2 5 4 56 55 100 C57 5 C55 T R56 27k 6 Q3 25 4215 22 3 99V pt C58 22p C58 Kya OY 2804215 3 38V cas 22p OF 56nH o R5V C20 EI 88 R35 220 R33 220 cas 27 7 79 C34 I X1 R11 CR 804 330 Ma C12 T 10p C13 oy TT C346 C347 C331 0 001 82 0 01 MOD R328 8 2k R327 o gt 47k C323 dl 5 R323 10k R295 8 2k R326 15k R325 10k AF5V R293 10k R292 820k 2 70V S5V VBIAS R318 100k C315 0 01 J 10 IC8 NJM4558M 316 Jt 5 e Ed 8 4 R320 1M e R313 100k E C306 12p R312 R316 27k 82k R315 82k C313 0 0047 R308 560k R317 82k C312 820p C314 56p I R311 4 7 R314 18k C31 0 1 Took S R3
21. 6200009620 6200002601 6200002601 6110001670 6170000230 6110001600 6110001600 6200002861 6110001600 6150003821 6150003821 6150003821 6150003821 6200010090 7030003440 7030003440 7030003440 7030003440 7030003680 7030003380 7030003440 7030003200 7030003480 7030003380 7030003440 7030003440 7030003640 7030003440 7030003320 7030003600 7030003620 7030003600 MLG1608B R10J T MLG1608B 56NJ T NLV32T 2R7J 0 25 1 9 8TL 80N MLG1608B R10J T MLG1608B R10J 1 MLG1608B 82NJ T MLG1608B R10J T ELJRE 47NGFA NLV25T 082J MLG1608B 68NJ T NLV25T 047J NLV25T 047J LA 253 LW 25 LA 243 LA 243 NLV25T 4R7J LA 243 LS 440 LF LS 440 LF LS 440 LF LS 440 LF ELJND R82JF 102 V 102 V 102 V ERJ3GEYJ 102 V 104 V 331 V 102 V ERJSGEYJ 100 V ERJ3GEYJ 222 V 331 V ERJSGEYJ 102 V ERJ3GEYJ 102 V ERJSGEYJ 473 V ERJSGEYJ 102 V ERJSGEYJ 101 V ERJSGEYJ 223 V ERJSGEYJ 333 V ERJSGEYJ 223 V k k k k 00 k 30 0 k k 0 k k k 2 30 k k 7 k 66 2 45 61 4 42 8 57 3 56 2 55 1 52 6 61 4 52 1 63 56 8 75 1 62 3 78 5 61 5 53 7 68 9 50 4 71 6 43 75 4 40 1 75 5 39 5 81 4 116 1 57 6 77 4 52 8 65 8 27 65 8 28 3 65 8 29 6 65 8 24 4 65 8 25 7 65 8 32 2 61 9 35 2 60 1 35 2 58 8 35 2 51 3 32 5 58 4 44 44 3 47 6 44 3 50 4 53 9 59 2 41 2 55 2 40 4 4
22. CLONE xt 68739 Pow B 9 8304 MHz 5 Q36 IC6D T 2 2501069 BU4066BCFV IC2 IC5D IC7B IC7A IC8B Q1 KTA1664 S 80942CNMC BU4066BCFV NJM4558M NJM4558M NJM4558M RMUTEP FILOS O PTI O N Q2 Q3 KTC4075 IC4D Di mute AF BU4066BCFV DIM K IC1 M30222MA RESET MUTE IDC LPF Y COMMAND MIC 2 CTRL FILO AF Q37 DTC144EU D mute GATE b DSENC MMUTEP HV EEPROM IC8A IC5C V IC13 Q65 NJM4558M Y BU4066BCFV 62429 2SC4213 T IC6C HN58X2464TI MIC INCOM AF PAOUT EL AF BU4066BCFV BUFF Kj AMP gt gt P mute gt D vo gt mute Y AF IC7B TC7W14FU MUTE Q9 251069 CPUSV CPU HV AF 5V MUTE D BUFF P AN78LOSM IC7A TC7W14FU m IC14 LA4425A Q7 2SC4081 Q8 2SA1576 a k N AF VCC L SP EXT SP IC7C IC6 PC357N6T EXT SP Explanatory notes TC7W14FU D2 1SS355 M Al N U N IT VOLTAGE LINE PHOTO NMEREE BUFF lt TX LINE COUPLER NMEAI lt lt RX LINE lt NMEAI Q6 KRC404 COMMON LINE SM sim gt NMEAO O 10 1 SECTION 11 vo 11 1 MAIN UNIT to COMMAND MIC HM 157B SW Optional products W2 OPC 1029 VCC EXTTXD EXTRXD J3 p MICG EXTTXD 413 47 C412 14 R415 47 R416 47 EXTRXD E
23. ECJOEC1H470J ECJOEB1E471K ECJOEC1H220J ECJOEC1H180J ECJOEC1H390J ECJOEC1H180J ECJOEB1E102K ECJOEB1A104K ECJOEB1E102K ECJOEB1E102K 16 CE 10 BS ECJOEC1H470J ECJOEB1E471K ECJOEB1E102K C1608 JB 1E 104K T C1608 JB 1E 104K T ECJOEC1H100C ECJOEC1H221J 16 CE 22 BS ECJOEB1E102K ECJOEB1E102K HM60SJ CH 150J 500V C1608 JB 1H 102K T C1608 JB 1H 102K T HM60SJ CH 150J 500V C1608 JB 1H 102K T RT HM60SK YB 102K 500V HM60SJ CH 180J 500V HM60SJ CH 060D 500V HM60SJ CH 220J 500V HM60SJ CH 050C 500V HM60SJ CH 050C 500V ECJOEB1E102K ECJOEB1C103K ECJOEB1E102K C1608 JB 1H 102K T C1608 JB 1H 102K T ECJOEB1E102K HM60SJ CH 270J 500V ECJOEB1E102K ECJOEC1HOR5B C1608 JB 1H 102K T C1608 CH 1H 100D T C1608 CH 1H 100D T ECJOEC1H050B C1608 CH 1H 060B T ECJOEB1E102K ECJOEB1A104K ECJOEB1E102K C1608 JB 1H 103K T ECJOEB1E102K ECJOEB1A104K ECJOEC1H3R5B C1608 060 ECJOEB1E102K 1 ECJOEB1E102K C1608 CH 1H 060B T ECJOEC1H040B ECJOEC1HOR5B ECJOEC1HR75B 1 C1608 060 ECJOEB1A104K C1608 JB 1H 102K T C1608 JB 1H 102K T ECJOEB1E102K ECJOEC1HO050B ECJOEB1C103K ECJOEC1H050B ECJOEC1H560J E M 4 44 65 4 52 2 64 3 50 6 65 4 53 5 65 4 59 2 74 6 58 9 77 1 61 5 43 4 77 4 58 3 69 6 56 3 71 55 6 66 8 55 68 9 52 5 74 5 48 7 74 4 49 2 77 8 49 2 78 9 50 69 6 39 1 56 7 43 4 78 7 45 9 71 1 46 2 77 4
24. 106M8R 4030016790 S ECJOEB1C103K 4030017410 5 ECJOEC1H240J 4030017410 5 ECJOEC1H240J 4030017460 S ECJOEB1E102K 4030017730 5 ECJOEB1E471K 4030016930 S ECJOEB1A104K 4030017460 5 ECJOEB1E102K 4030016950 S ECJOEB1A473K 4030016950 S ECJOEB1A473K 4030016950 S ECJOEB1A473K 4030016950 S ECJOEB1A473K 4030016950 5 ECJOEB1A473K 4030016950 5 ECJOEB1A473K 4030016930 S ECJOEB1A104K 4030016790 S ECJOEB1C103K 4030017480 5 C1608 JB 1A 474 4030017030 S ECJOEB1A273K 4510007310 16 10 BS 4030006900 S C1608 JB 1H 103K T 4510007310 5 16 10 BS 4030016790 S ECJOEB1C103K 4030016930 S ECJOEB1A104K 403001 1600 S C1608 JB 1E 104K T 4030017440 5 ECJOEC1H221J 4030017620 S ECJOEC1H100C 4510007310 16 10 BS 4030017460 S ECJOEB1E102K 4030016930 S ECJOEB1A104K 4030017920 5 ECJOEB1A683K 4030016790 S ECJOEB1C103K 4030016930 S ECJOEB1A104K 4030016930 S ECJOEB1A104K 4030017460 5 ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030016930 S ECJOEB1A104K 4030016930 S ECJOEB1A104K 4030017460 5 ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030017730 5 ECJOEB1E471K 4030017460 S ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030017460 5 ECJOEB1E102K 4030017730 5 ECJOEB1E471K 4030016790 S 4030017420 ECJOEC1H470J 4030017460 5 ECJOEB1E102K 4030017420 5 ECJOEC1H470J 4030017460 5 ECJOEB
25. 2 DO NOT open the transceiver until the transceiver is disconnected from its power 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 insulated turning tool MUST be used for all adjustments 5 DO NOT keep power ON for a long time when the transceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 30 dB to 40 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver Icom Icom Inc and COM logo are registered trademarks of Icom Incorporated Japan in the United States the United Kingdom Germany France Spain Russia and or other countries SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 3 4 4 1 4 2 4 3 4 4 4 5 4 6 4 7 5 5 1 5 2 5 3 5 4 6 6 1 6 2 7 8 9 9 1 9 2 9 3 9 4 9 5 10 11 11 1 11 2 12 12 1 12 2 TABLE OF CONTENTS SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTIONS CIRCUIT DESCRIPTION RECEIVER CIRCUITS ies Peete board odd TRANSMITTER CIRCUITS PLL CIRCUIT See dents Aa ek bh epo ee PE aaa ee Ras DSC CIRCUITS
26. 46 2 78 7 46 2 80 43 1 72 5 41 4 78 2 40 1 78 2 41 4 81 8 60 75 7 64 4 78 5 65 74 60 72 9 56 2 74 7 69 82 6 71 82 1 72 3 82 1 73 6 82 1 59 1 79 7 57 8 79 7 61 1 80 5 68 78 3 66 69 3 69 4 68 1 81 3 82 1 85 2 75 2 85 9 71 9 73 78 3 68 5 74 71 4 72 5 83 2 76 8 80 6 74 1 76 5 74 8 112 9 61 6 113 2 58 3 120 7 58 2 119 3 55 2 120 6 55 2 113 51 5 113 1 57 1 110 8 60 3 107 4 59 5 109 5 47 9 113 3 55 8 111 6 47 9 109 8 55 102 6 55 7 103 4 57 8 102 1 60 5 102 2 54 4 95 5 60 3 93 9 57 5 96 56 8 92 6 57 5 91 5 59 5 87 59 5 89 1 60 3 88 4 63 115 7 59 9 119 4 58 2 81 7 52 1 81 2 54 9 81 2 61 9 76 9 51 2 78 2 49 9 4030016930 4030017460 4030017460 4030011770 4030017460 4030016970 4030017460 4030016790 4030017430 4030017460 4510007310 4030016790 4030017460 4030017450 4030017450 4030017460 4030016930 4030017490 4030016930 4030017400 4030016930 4030017460 4030017460 4030018890 4030018890 4030016930 4030018890 4030016930 4030016970 4030016970 4510007310 4030017760 4030018820 4510007280 4510007280 4030016790 4030017490 4030018890 4030017490 4030016790 4030017460 4510007280 4030018890 4510007280 4030016930 4030017790 4030016790 4030016970 4030017760 4030017790 4030016930 4030018890 4030016930 4510007310 4340000310 4030017760 4030016930 4030016790 4510007310 4030016790 4030017460 4030016930 4030016790 4030017450 4030016790 4030016930 4030017630 4030018900 4030
27. 487 103 3 24 6 7030003560 ERJ3GEYJ 104 7 21 8 7030003440 5 ERJ3GEYJ 104 7 24 6 7030003560 ERJ3GEYJ 103 3 27 4 7030003440 5 ERJ3GEYJ 103 3 30 2 7030003510 5 ERJ3GEYJ 76 4 21 7 7030003510 5 ERJ3GEYJ 78 3 24 3 7030003280 ERJ3GEYJ 80 1 24 3 7030003280 ERJ3GEYJ 79 3 18 7 7030003280 ERJ3GEYJ 76 6 18 7 7030003280 ERJ3GEYJ 104 13 7 7030003560 ERJ3GEYJ 103 V 10 104 8 1 7030003680 ERJ3GEYJ 104 V 100 102 6 13 7 7030003620 ERJ3GEYJ 333 V 33 102 6 10 9 7030003560 ERJ3GEYJ 103 V 10 105 4 10 9 7030000100 MCR10EZHJ 4 7 487 101 2 10 9 7030003640 ERJ3GEYJ 473 V 47 99 8 10 9 7030003680 ERJ3GEYJ 104 V 100 99 8 7 9 7030003860 ERJ3GE JPW V 97 7 9 95 6 7 9 13 8 23 4030016970 ECJOEB1C223K 10 3 30 4 4030016790 S ECJOEB1C103K 16 6 23 40300169301 5 ECJOEB1A104K 16 1 35 1 45500005101 5 TEESVA 1V 473M8R 10 3 29 1 4550002980 TEESVA 1 225 8 20 5 20 5 4030017460 ECJOEB1E102K 28 9 29 4030017630 S ECJOEC1H120J 21 8 20 5 4610001590 S TZC3R100A110R00 22 7 22 5 4030017390 ECJOEC1H180J 19 2 20 5 4030017460 S ECJOEB1E102K 17 9 20 5 4510007310 S 16 CE 10 BS 16 7 9 1 4030016790 S ECJOEB1C103K 19 3 9 1 4030017460 S ECJOEB1E102K 23 2 12 4030017730 ECJ0EB1E471K 20 6 9 1 4030016790 5 ECJ0EB1C103K 21 9 9 1 40300174905 C1608 JB 1 105 27 7 10 4 4030017460 5 ECJOEB1E102K 26 4 8 3 4030017730 5 ECJ0EB1E471K 32 8 11 8 4030017380 ECJOEC1H050B 30 6
28. 67 4 48 9 64 2 33 4 74 48 1 71 4 48 1 72 7 48 1 59 4 54 7 62 53 9 60 7 53 3 80 9 51 9 76 7 48 1 7750 9 57 8 14 7 51 9 33 6 51 9 34 9 45 3 25 9 44 25 3 44 5 31 3 44 9 11 2 44 2 6 4 45 8 6 4 33 2 7 8 34 5 7 9 71 9 22 7 73 2 22 7 74 5 22 7 66 8 19 5 66 8 16 9 68 8 24 69 7 19 4 67 5 21 6 84 9 6 2 12 4 11 6 11 5 8 5 12 4 50 4 12 4 39 12 4 39 12 4 43 9 NN Sz 7030003640 ERJ3GEYJ 473 V 7030003560 5 ERJ3GEYJ 103 V 7030010020 5 ERJ2RKF 154 X 7030004820 ERJ3GEYF 473 V 7030003560 ERJ3GEYJ 103 V 7030003460 S ERJ3GEYJ 152 V 7030003570 S ERJ3GEYJ 123 V 7030003530 S ERJ3GEYJ 562 V 7030003560 ERJ3GEYJ 103 V 7030003560 ERJ3GEYJ 103 V 7030003560 ERJ3GEYJ 103 V 7030003560 ERJ3GEYJ 103 V 7030003640 ERJ3GEYJ 473 V 7030003640 ERJ3GEYJ 473 V 7030003280 S ERJ3GEYJ 470 V 7030003640 ERJ3GEYJ 473 V 7030003560 ERJ3GEYJ 103 V 7030003580 ERJ3GEYJ 153 V 7030003440 ERJ3GEYJ 102 V 7030003440 S ERJSGEYJ 102 V 7030003500 S ERJ3GEYJ 332 V 7030003680 ERJ3GEYJ 104 V 7030003800 ERJ3GEYJ 105 V 7030005250 S ERJ3GEYF 103 V 7030005620 S ERJ3GEYF 682 V 7030003250 S ERJ3GEYJ 270 V 7030003250 S ERJ3GEYJ 270 V 7030003250 S ERJ3GEYJ 270 V 7030003630 ERJ3GEYJ 393 V 7030003640 S ERJ3GEYJ 473 V 7030003440 S ERJ3GEYJ 102 V 7030003560 S ERJ3GEYJ 103 V 7030003460 S ERJ3GEYJ 152 V 7030000370 S MCR10EZHJ 821 82 7030000370 MCR10EZHJ 821 7030000370 MCR10EZHJ 821
29. 7030000320 MCR10EZHJ 331 330 AE NuoooopgwvuyuolooN eT SOS SGISIIRRRRISIIGSS Sw 0 2 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ U9 UJ Z U J or 235 6510018971 S B4B PH SM4 TB LF SN 76 2 6 5 651002231115 B5B PH SM4 TB LF SN 22 3 8 6510021720 S 30FLT SM1 TB 55 4 11 8 6510021720 S 30FLT SM1 TB 38 5 17 8 6510019421 S B8B ZR SM4 TF LF SN 84 5 24 6 rot tRONND 5 k 5030002850 1508328 00 1 5040002310 5 SML 311YTT86 69 9 11 8 5040002310 S SML 311YTT86 82 7 4 2 5040002310 5 SML 311YTT86 54 6 11 8 5040002310 5 SML 311YTT86 24 11 8 5040002310 S SML 311YTT86 39 3 11 8 5040002310 5 SML 311YTT86 10 2 11 8 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount YYPE 7030000320 S MCR10EZHJ 331 330 7030000330 S MCR10EZHJ 391 390 7030000320 S MCR10EZHJ 331 330 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ D D 5k 0 LOGIC BOARD ORDER NO DESCRIPTION H V LOCATION MAIN UNIT ORDER NO DESCRIPTION H V LOCATION 5040003230 5040003230 5040003230 5040003230 5040003230
30. NO DESCRIPTION H V LOCATION MAIN UNIT ORDER NO DESCRIPTION H V LOCATION 4030006860 4030011770 4030006850 4030017400 4030017460 4030017380 4030017460 4030017460 4030017460 4030017420 4030017390 4030017390 4030017460 4030017420 4030017460 4030017390 4030017460 4030017460 4030017360 4030017460 4030017420 4030017730 4030017400 4030017390 4030017670 4030017390 4030017460 4030016930 4030017460 4030017460 4510007310 4030017420 4030017730 4030017460 4030011600 4030011600 4030017620 4030017440 4510008110 4030017460 4030017460 4010005500 4030006860 4030006860 4010005500 4030006860 4010005790 4010008050 4010005440 4010008070 4010005430 4010005430 4030017460 4030016790 4030017460 4030006860 4030006860 4030017460 4010007630 4030017460 4030017530 4030006860 4030007010 4030007010 4030017380 4030011770 4030017460 4030016930 4030017460 4030006900 4030017460 4030016930 4030017370 4030011770 4030017460 4030017360 4030017460 4030011770 4030017570 4030017530 4030017540 4030017360 4030011770 4030016930 4030006860 4030006860 4030017460 4030017380 4030016790 4030017380 4030017500 C1608 JB 1H 102K T C1608 CH 1H 060B T C1608 JB 1H 471K T ECJ0EC1H220J ECJOEB1E102K ECJOEC1H050B ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H470J ECJOEC1H180J ECJOEC1H180J ECJOEB1E102K ECJOEC1H470J ECJOEB1E102K ECJOEC1H180J ECJOEB1E102K ECJOEB1E102K ECJOEC1H030B ECJOEB1E102K
31. TOP VIEW V20 V10 V5 9 3 SQL BOARD VIEW VO The combination of this and the previous shows the unit layout in the same configuration as the actual P C Board LOGIC BOARD BOTTOM VIEW 65 60 55 E BJ iw m a V50 de L RE Eum V45 s V40 1 8 a 6 89 5 5 a 2563 amp 5 6 s Internal o Speaker CP2 e lt lt m z 6 6 5 wi HEE 5 6 wi 1 1 3 1 5 J6 O
32. amplifier and the 1st IF filter circuits and the 1st IF mixer converts the re ceived signals into a fixed frequency of the 1st intermediate frequency IF signal The converted 1st IF signal is filtered at the 1st IF filters then amplified at the 1st IF amplifier The signals from the three stage tunable BPF are converted into the 21 7 MHz 1st IF signal at the 1st mixer Q22 by be ing mixed with the 1st LO signal generated at the VCO Q4 Q5 D3 D4 2ND IF AND DEMODULATOR CIRCUITS The converted 1st IF signal from the 151 mixer is passed through the monolithic filters Fl1 Fl2 to suppress unwant ed signals and then amplified at the 1st IF amplifier Q23 The amplified 1st IF signal is applied to the FM IF IC 2 16 4 1 4 2nd IF AND DEMODULATOR CIRCUITS The 1st IF signal is converted into the 2nd IF signal and de modulated at the detector section in the FM IF IC The FM IF IC contains 2nd mixer limiter amplifier quadrature detector etc in its package The 1st IF signal from the 1st IF amplifier Q23 is applied to the mixer section in the FM IF IC 2 16 The applied 1st IF signal is mixed with the 21 25 MHz 2nd LO signal from the PLL IC IC1 pin 17 to be converted into the 450 kHz 2nd IF signal The 2nd IF signal from the mixer section is output from pin 3 and passed through the ceramic filter to suppress the heterodyne noise The filtered signal i
33. case in the direction of the arrow to remove the case 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT The antenna switching circuit toggles the receive line and the transmit line This circuit does not allow transmit signals to enter the receiver circuits The received signals from the antenna connector CHASSIS UNIT J1 are passed through a two stage low pass filter LPF 121 122 127 130 C132 and then applied to the 2 4 type antenna switching circuit D14 D21 While receiving no voltage is applied to D14 and D21 Thus the receive line and the ground are disconnected and L31 and C142 function as an LPF which leads received signals to the RF circuits The received signals are applied to the RF circuits via the attenuator D22 4 1 2 RF CIRCUITS The RF circuits amplify received signals within the range of frequency coverage and filters out of band signals The received signals from the antenna switch are passed through a tunable bandpass filter BPF 025 135 C149 C151 C152 C154 to suppress unwanted signals The fil tered signals are amplified at the RF amplifier Q21 The amplified signals are passed through another three stage tunable BPF 026 028 L36 L38 139 C161 C162 C164 C173 C178 to suppress unwanted signals again The filtered signals are then applied to the 1st IF circuits 4 1 3 1st IF CIRCUITS The 1st IF circuits contain the 1st mixer IF
34. when these channels are used in its territorial waters UK Marina Channels 1 37 157 850 MHz M2 P4 161 425 MHz for U K version only 3 The use of these channels should be restricted to navigation related communications only and all precautions should be taken to avoid harmful interference to channel 16 e g by limiting the output power to 1 W or by means geographical separation USA channels for U K version only Frequency MHz Frequency MHz Frequency MHz Frequency MHz Frequency MHz Frequency MHz Transmit 156 050 Receive 156 050 Transmit 156 600 Receive 156 600 Transmit 157 100 Receive 157 100 Transmit 156 225 Receive 156 225 Transmit 156 775 Receive 156 775 Transmit 157 275 Receive 161 875 156 650 156 650 157 150 157 150 156 275 156 275 156 825 156 825 157 275 157 275 156 700 156 700 157 200 161 800 156 325 156 325 156 875 156 875 157 325 161 925 156 750 156 750 157 250 161 850 156 375 156 375 156 925 156 925 157 325 157 325 156 250 156 250 156 800 156 800 157 300 161 900 156 425 156 425 156 975 156 975 157 375 161 975 156 300 156 300 156 850 156 850 157 350 161 950 156 475 156 475 157 025 157 025 157 375 157 375 156 350 156 350 156 900 156 900 157 400 162 000 156
35. 017740 4030017780 4030017500 4030016790 4510007310 4030011810 4030017420 4030017490 4030017790 4030016790 4030017460 4030006900 4030017400 4030017460 4030017460 4030017400 4030017460 4030017420 4030017420 4030017420 4030017460 4030017460 4030017730 ECJOEB1A104K ECJOEB1E102K ECJOEB1E102K C1608 CH 1H 060B T ECJOEB1E102K ECJOEB1C223K ECJOEB1E102K ECJOEB1C103K ECJOEC1H101J ECJOEB1E102K 16 CE 10 BS ECJOEB1C103K ECJOEB1E102K ECJOEB1E271K ECJOEB1E271K ECJOEB1E102K ECJOEB1A104K C1608 JB 1A 105K T ECJOEB1A104K ECJOEC1H220J ECJOEB1A104K ECJOEB1E102K ECJOEB1E102K ECJOEBOJ224K 224 ECJOEB1A104K ECJOEBOJ224K ECJOEB1A104K ECJOEB1C223K ECJOEB1C223K 16 CE 10 BS ECJOEB1H222K ECJOEB1H561K 50 CE 2R2 BS 50 CE 2R2 BS ECJOEB1C103K C1608 JB 1A 105K T 224 C1608 JB 1A 105K T ECJOEB1C103K ECJOEB1E102K 50 CE 2R2 BS 224 50 2 2 5 ECJOEB1A104K ECJOEB1E682K ECJOEB1C103K ECJOEB1C223K ECJOEB1H222K ECJOEB1E682K ECJOEB1A104K ECJOEBOJ224K ECJOEB1A104K 16 CE 10 BS ECHU 1C 333JX5 ECJOEB1H222K ECJOEB1A104K ECJOEB1C103K 16 CE 10 BS ECJOEB1C103K ECJOEB1E102K ECJOEB1A104K ECJOEB1C103K ECJOEB1E271K ECJOEB1C103K ECJOEB1A104K ECJOEC1H120J ECJOEBOJA74K ECJOEB1E821K ECJOEB1E472K ECJOEC1H560J ECJOEB1C103K 16 CE 10 BS C1608 JB 1A 224K T ECJOEC1H470J C1608 JB 1A 105K T ECJOEB1E682K ECJOEB1C103K ECJOEB1E102K C1608 JB 1H 103K T ECJOEC1H220J ECJOEB1E102K EC
36. 05K T 4030017460 ECJOEB1E102K 4510009450 16 WA 470M 8X9 4510004591 16 ME 470 HC TS 4030011600 C1608 JB 1E 104K T 4030017420 ECJOEC1H470J 4030017420 ECJOEC1H470J 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017420 ECJOEC1H470J 4510006021 16 ME 2200 HC 4030011600 C1608 JB 1E 104K T 4030017400 ECJOEC1H220J 4030017400 ECJOEC1H220J 4030017430 ECJOEC1H101J 4030017730 ECJOEB1E471K 4030017420 ECJOEC1H470J 4030017460 ECJOEB1E102K 4030017430 ECJOEC1H101J 4030017730 ECJOEB1E471K 4510008120 16 CE 100 BS 4030006900 C1608 JB 1H 103K T 4030011600 C1608 JB 1E 104K T 4030016930 ECJOEB1A104K 4030016790 ECJOEB1C103K 4510008120 16 CE 100 BS 4030016930 ECJOEB1A104K 4030017460 ECJOEB1E102K 4510007310 16 CE 10 BS 4030016930 ECJOEB1A104K 4030017460 ECJOEB1E102K 4510007310 16 CE 10 BS 4510007310 16 CE 10 BS 4030006900 C1608 JB 1H 103K T 4030017420 ECJOEC1H470J 4510007280 50 CE 2R2 BS 4510007280 50 CE 2R2 BS 4030016930 ECJOEB1A104K 4030017420 ECJOEC1H470J 4030017420 ECJOEC1H470J 4030018900 474 4030017490 1608 1 105 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4510004591 16 ME 470 HC TS 4510004591 16 ME 470 HC TS 4030011600 C1608 JB 1 104 5 4 32 6 4030017420 ECJOEC1H470J 4 1 32 6 LOCATION 16 73 9 50 4 7 5 50 4 6 2 42 2 15 2 42 2 13 9 10 3 70 5 72 8 4 1 74 3 TP96N97A 15 7SK 10KB 2852 OPC 1442 H V 18 6 74 9 DESCRIPTION LOCATION 4 1
37. 07 C305 6 8k 0 1 R306 10k NJM4558M 8 _ AF5V R305 100k R5V w AE 1 C318 47 R319 27k R341 JPW R321 1 WXDEC 8k MICAF C291 10 C303 270p R304 56k R303 2 2k INCOM INCOM DSDEC WXDEC PAOUT DSDEC 8 T5V HV PAOUT R5V CULL Eu V T5V 1124 MAIN UNIT m C81 Ras R91 ae 226 IC3 R125 120 014 C126 1 2 Explanatory notes 5 1516 121 82 1808 0 001 LA 243 LA243 22 0 001 00 vU VOLTAGE LINE C125 ditis m wi us Wo 8 s TX LINE 10k 82H vU vU baa i 9 1 119 11 9 4 ur ms LA 253 RX LINE J Bet 102 C103 C104 NES EO C127 C129 L C130 22 mu Sop Tap cP11 12 cP13 4 59 18 22 5
38. 087 59 RS 4075 BL SML 311YT x 1 5 Ri Koss Bad 055 053 820 SML 311YT SULIT SML 311YT 052 12 14 16 P18 SML 311YT o eu im ss ss LOGIC BOARD Explanatory notes VOLTAGE LINE m TX LINE RX LINE COMMON LINE DIM Q7 35 2SC4081 S 5 09V IC3 AN78L05M IC5 NJM2904M DSCENC 1 C42 L C43 10 DSCENC DSCENC CHO01A 3 63V 16 4 05V WX10 7 76V C124 C125 0 001 47 0 001 PWR C126 47p W3 1442 VR BOARD 55 c91 0 1 1 R92 p Rei a 2SA1576 R COMTXD TC7W14FU F COMPXD 15 s ssv COMRXD 2 7 7 Com Q9 7NMEAI ARNEE 0 1 2SK1069 4 TL E 2 8 NMEAI 1 EXTRXD R95 R96 R97 1k 47k 1k NMRXD NMEAI 06 1 6 155365 PC357NJ0000F 47k NMEAI R81 R35 R83 C81 Q4 15k S5V 1 0 068 820 0 001 J2 KRC414 D2 gt r cos car me I 15538 to REAR CABLE gt licks 0 1 ont 47k 3 W1 i Q5 52 2 406
39. 1 7 40 4 41 7 44 2 43 1 1590003580 1580000540 1580000540 1530003890 1530003900 1530003900 1560000810 1590000720 1530003900 1590003580 1510001090 1590003580 1520000840 1530003900 1510001090 1590003560 1590003580 1530003091 KRC404 RTK P 3SK131 T2 LA 3SK131 T2 LA KTC3880S Y RTK P KTC4075 BL RTK P KTC4075 BL RTK P 2SK1069 4 TL DTA144EUA T106 KTC4075 BL RTK P KRC404 RTK P KTA2015Y RTK P KRC404 RTK P KTA1664Y RTF P KTC4075 BL RTK P KTA2015Y RTK P TPC6104 TE85L F KRC404 RTK P 2SC4213 B TE85R F 69 5 71 8 110 6 51 7 77 4 55 5 88 24 5 101 9 8 97 7 10 9 25 1 27 6 27 1 21 6 116 1 32 8 23 4 56 7 27 2 59 8 27 2 56 7 30 8 69 5 34 6 68 9 23 4 59 8 23 4 68 8 26 8 70 1 4 3 23 8 7030003680 S ERJ3GEYJ 104 V 7030003400 S ERJSGEYJ 471 V 7030003660 S 683 V 7030003360 S 221 V 220 7030003240 S 220 V 2 70300033601 S 221 V 220 7030003410 561 V 560 7030003550 S ERJSGEYJ 822 V 100 k 41 4 43 1 2 8 2 7030003550 S 822 V 8 2 1 0 0 66 2 47 9 k 64 9 47 9 68 3 37 3 68 9 35 3 67 37 3 56 7 58 9 54 8 47 3 50 8 49 1 1 1 1 1 3 1 1 2 3 1 1 4 1 1 2 3 2 1 4 6 2 0 2 3 2 0 7 8 2 2 2 5 8 8 70300033
40. 13 5 4030017400 S ECJOEC1H220J 30 3 20 4030017650 S ECJOEC1H270J 30 2 22 1 4030017650 S ECJOEC1H270J 31 6 20 4030017460 S ECJOEB1E102K 32 8 13 1 4030017420 S ECJOEC1H470J 113 4 36 4030017670 S ECJOEC1H390J 119 37 3 4550000550 S TEESVA 1V 224M8R 116 2 37 3 4030017460 5 ECJ0EB1E102K 116 2 36 4030009540 C1608 CH 1H 1R5B T 116 2 30 8 4030009540 5 1608 1H 1R5B T 119 34 7 4030017460 5 ECJOEB1E102K 119 33 4 4030017730 ECJ0EB1E471K 114 3 27 1 4030017730 5 ECJ0EB1E471K 107 9 24 3 4030017540 S ECJOEC1HR75B 56 2 50 4 118 9 16 4 4030017730 ECJ0EB1E471K 58 6 53 4 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount k 7030003440 S ERJ3GEYJ 102 V 7030003460 ERJ3GEYJ 152 V 7030003460 ERJ3GEYJ 152 V 2 1 2 27 4 1 1 25 7 44 9 1 1 7030003400 5 ERJ3GEYJ 471 V 4 1 1 1 3 3 1 4 8 27 2 51 9 28 5 49 1 25 7 49 1 36 8 45 2 39 1 47 2 36 5 47 2 37 8 47 2 36 9 38 4 43 2 40 3 9 1 70 6 11 9 71 3 7 4 70 6 18 6 72 7 21 5 59 5 21 5 56 7 25 3 59 5 25 3 56 7 36 5 68 3 36 5 65 5 33 30 1 75 3 8 3 74 15 4 80 1 7 5 8 5 27 8 4 1 26 6 2 24 3 2 4 23 8 7 8 31 9 21 69 4 22 9 71 3 42 2 21 6 7030003680 ERJ3GEYJ 104 V 7030003460 ERJ3GEYJ 152 V 7030003450 5 ERJ3GEYJ 122 V 7030003390 5 ERJ3GEYJ 391 V 7030003500 5 ERJ3GEYJ 332 V 7030003460 ERJ3GEYJ 152 V 7030003760 5 ERJ3GEYJ 474 V 7030003430 S ERJ3GEYJ 821 V 7030003620 ER
41. 1E102K 4030017420 5 ECJOEC1H470J 56 3 30 5 55 6 33 7 57 5 35 5 57 5 38 3 88 9 39 3 88 9 42 2 37 3 55 1 36 6 34 4 68 7 43 1 68 4 44 4 67 7 46 1 67 4 50 2 64 1 50 8 65 4 50 8 62 8 51 2 70 6 50 2 78 3 51 9 79 6 51 9 49 6 19 7 59 4 20 7 57 5 25 6 54 6 24 52 8 32 3 36 5 11 2 42 1 11 2 40 2 11 2 77 6 23 5 70 1 24 66 8 18 2 85 3 11 1 72 3 12 23 36 5 17 8 33 8 11 6 36 9 83 3 7 8 82 1 10 9 71 5 9 9 22 7 51 6 19 5 43 9 17 15 6 17 13 9 23 3 14 6 25 4 13 9 7 4 15 7 9 53 48 6 7 2 47 2 7 2 81 5 17 2 88 2 20 2 87 5 22 1 88 8 22 2 87 5 25 78 9 30 1 06055650900 1520000840 5 KTA1664Y RTF P 1530002851 5 2SC4116 BL TE85R 1530002851 5 2SC4116 BL TE85R 1590003590 5 KRC414 RTK P 1530002851 5 2SC4116 BL TE85R F 1590003580 5 KRC404 RTK P 1530002691 5 2SC4116 GR TE85R 151000077115 2SA1586 GR TE85R F 1560000810 2SK1069 4 TL 74 18 8 69 7 17 5 69 7 21 3 46 3 28 6 11 8 34 8 15 6 34 6 22 7 49 7 19 6 51 26 7 39 6 UUUUUUUUU 175000118015 KDS122 47 5 25 8 175000132015 KDS4148U RTK P 83 7 11 4 17500011805 KDS122 13 4 31 7 1750001330 5 KDZ6 2V Y RTK P 12 7 29 2 6050011500 5 739 9 8304 MHz 60 8 34 7030003640 ERJ3GEYJ 473 V 7030003640 S ERJ3GEYJ 473 V 7030003800 ERJ3GEYJ 105 V 4 54 2 37 2 4 1 7030003320 S ERJ3GEYJ 101 V 1 4 1 15 54 9 35 9 56 2 38 3 57 3 40 3 63 2 40 4 63 2 41 7 67 4 47 6
42. 20 S 101 V 100 7030003390 S ERJ3GEYJ 391 V 390 7030003350 S 181 V 180 7030003420 5 ERJ3GEYJ 681 V 680 7030003660 S 683 V 68 k 7030003320 S 101 V 100 7030003610 S 273 V 27 64 3 54 8 7030003480 S 222 V 2 2 73 2 57 4 7030003440 S 102 V 1 71 2 60 4 7030003270 S ERJ3GEYJ 390 V 39 59 6 66 8 7030003480 S 222 V 2 2 k 57 6 67 6 7030003390 S 391 V 390 56 3 68 9 7030003200 5 100 V 50 68 2 7030003560 S ERJ3GEYJ 103 V 10 k 52 68 9 7030003560 S ERJ3GEYJ 103 V 10 51 77 3 7030003320 S 101 V 100 49 76 6 7030003480 S 222 V 2 2 45 9 69 8 7030003240 5 220 V 22 42 6 70 5 7030003240 5 220 V 22 43 9 70 5 7030003440 5 102 V 1 46 7 72 5 7030003270 5 390 V 39 45 9 81 3 7030003320 S ERJ3GEYJ 101 V 100 60 8 77 7 7030003600 5 223 V 22 63 6 76 4 7030003460 S 152 V 1 5 67 72 7 7030003600 5 223 V 22 k 71 6 78 3 7030003320 S ERJ3GEYJ 101 V 100 61 6 69 5 7510001651 NTCG16 222JT 72 3 75 7030003500 S 332 V 3 3 k 72 3 76 3 7030003860 S ERJ3GE JPW V 62 8 78 5 7030003800 S 105 V 1 69 4 69 4 7310005020 RHO3AD
43. 34 1 6910014690 MPZ1608S221A T 7 4 35 7 FRONT UNIT ORDER H V NO DESCRIPTION LOCATION 0800007890 HM 150B ACC lt FG gt BLACK 0800007900 HM 150SW ACC lt FG gt SW 7120000470 ERDS2TO 7120000470 ERDS2TO SECTION 7 7 1 422 CHASSIS PARTS ORDER NO 6510004880 8900014000 8900014090 8510016590 8510016620 8830001730 8930055070 8930064040 8010020100 8930034300 8810002950 8930064350 8930064390 8510016700 8810008660 8950000180 8930066630 8930067170 8810008660 8810004540 8930064030 8810004700 8930049040 8930055040 FRONT UNIT ORDER NO DESCRIPTION Connector MR DSE 01 Cable OPC 1405 Cable OPC 1489 Case 2807 CASE Case 2807 CASE A Screw ultra sert UD 45058 NI 2438 sheet 2807 R packing seal 2852 chassis 1542 ANT seal Screw M3x6 SUS 2807 R bush plate 2807 module plate 2807 module cover Screw PH BO 3x8 NI ZC3 BT Cable tie 80 2852 IC clip 2852 B IC clip Screw PH BBO 3x8 NI ZC3 BT Screw M3x8 SUS 2807 F packing seal Screw PH AO 3x16 SUS Isolating sheet FQ 2438 cap black white DESCRIPTION 0800007890 0800007900 2510001240 8210021840 8210021850 8930014280 8310063950 8110008230 8930052010 8930060470 8930060481 8930066030 8930052280 8930060490 8930055840 8810008660 8610011370 8610012140 VR BOARD NO ORDER NO Mocrophone HM 150B ACC Mocrophone HM 150S
44. 3680 ERJ3GEYJ 104 V 100 7030003680 5 ERJ3GEYJ 104 V 100 7030003800 S ERJSGEY J 105 V 1 M 7030003440 5 ERJ3GEYJ 102 V 1 7030003800 S ERJ3GEYJ 105 V 1 M 7030003800 5 105 V 1 M 7030003680 5 ERJSGEY J 104 V 1 7030003680 ERJ3GEYJ 104 V 1 7030003800 5 ERJ3GEYJ 105 V 1 7030003800 5 ERJ3GEYJ 105 V 1 7030003490 5 ERJ3GEYJ 272 V 2 7030003680 5 ERJ3GEYJ 104 V 1 7030003680 5 ERJ3GEYJ 104 V 1 7030003680 5 ERJ3GEYJ 104 V 1 7030003800 5 ERJ3GEYJ 105 V 1 7030003450 5 ERJ3GEYJ 122 V 1 7030003520 5 ERJ3GEYJ 472 V 4 7030003800 5 ERJ3GEYJ 105 V 1 7030003800 5 ERJ3GEYJ 105 V 1 1 1 1 3 1 1 1 1 1 4 4 1 M 00 00 M M 7 k 00 00 00 k M 2k 7 M M M 7030003800 ERJ3GEYJ 105 V 7030003680 ERJ3GEYJ 104 V 7030003590 ERJ3GEYJ 183 V 7030003620 5 ERJ3GEYJ 333 V 7030003560 ERJ3GEYJ 103 V 7030003560 ERJ3GEYJ 103 V 7030003560 ERJ3GEYJ 103 V 7030003440 5 ERJ3GEYJ 102 V 7030003560 ERJ3GEYJ 103 V 7030003760 5 ERJ3GEYJ 474 V 7030003280 ERJ3GEYJ 470 V 7030003680 ERJ3GEYJ 104 V 8 E E I MAIN UNIT ORDER
45. 431 EVCK 5 2SC4213 R432 0 47 10k IC14 C432 1 C433 0 001 PAMUTE LA4425A E ind gt EP441 B I EP442 Pao PAO Y to EXT PA SP I CP22 PAO I I I I I I I I I I I I Y K 2 45 EVCK 2 10 EVDATA GND GND SEND RCV MMUTE RMUTEM MMUTES RMUTES 080 0 MMUTEP ile l2s e 0191910 RMUTEP TMUTE a PAMUTE to LOGIC 5 a board J5 BPFV PTTS 8 GND TXDET N b C336 C334 C33 0 00122p 0 001 SQL GND u O1 24 23 GND EXTTXD lode d C348 L C349 L C332 L C333 82p o Tue T PWRON Q61 TP 62 404 n442 Raat L k HV HV EXTTXD 26 25O EXTRXD 28 270 5 PDATA 30 29O C340 47 C339 C3410338 47 47 0001 EXTRXD C441 I gwT 381 C382 C373 13 801 C370 C374 C375 C376 22p 1 22 1 470p 7 C367 C379 C368 C380 N d 47 100 IC10 KIA7805API HV 1k C386 100 C6104 13 76V
46. 5 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H120 H0 J2 J4 J3 GND 9 lt axuDa 9 ev e 8159 INA axia OxLDG QNO QNO Tos 2 QNO 5114 5 Add8 8 Wild 8 Ms In SINE dN 9 mainnya 2 WALNNNI AOH QN3S QNO DIDA3 E 2 8 ano LSOIN LOIN QNO ASS 5591 QNO 23050 S QNO 5 230 QNO v ON3OSQ S 8 QNO 8 ZIOA QNO AH AH ON NOM dS dS QR sas d e Olid Don WV 2 e MAIN BOARD BOTTOM VIEW 95 90 85 v80 V75 V70 v65 v60 v55 v50 V45 V40 V35 25 20 15 10 5 vo H120 115 H110 H105 H100 MP16 CHASSIS H95 H90 H85 H80 H75 H70 IC3 H65 H60 655559 ANN H55 H50 H45 H40 H35 JU GND H30 H25 7 The combination of this and the previous shows the unit layout in the same configuration as the actual P C Board GND cP19 H20
47. 5040003230 8930066470 6910012350 6910012350 MAIN UNIT ORDER NO RY SP110UHY24 5M lt VKH gt RY SP110UHY24 5M lt VKH gt RY SP110UHY24 5M lt VKH gt RY SP110UHY24 5M lt VKH gt RY SP110UHY24 5M lt VKH gt RY SP110UHY24 5M lt VKH gt SRCN 2852 SP N W MMZ1608Y 102BT MMZ1608Y 102BT DESCRIPTION 85 7 50 9 10 5 50 9 85 7 33 5 10 5 33 5 85 7 42 2 10 5 42 2 85 3 8 5 22 14 6 H V LOCATION 1130007610 1110003201 1150002081 1130011770 1130011770 1130011770 1110000960 1110000960 1110003091 1180002780 1120002830 1110002400 1110004490 1110003091 1110003650 1530003900 1590003580 1530002601 1530002920 1530002920 1530002601 1530002601 1530002920 1530002241 o oooB 66666 66 uPD3140GS E1 058 TA31136FNG EL RA35H1516M 21 CD4066BPWR CD4066BPWR CD4066BPWR NJM4558M TE1 NJM4558M TE1 LA4425A E KIA7805API U P NJM2125F TE1 NJM2107F TE1 M62429FP 700C LA4425A E NJM2211M TE1 KTC4075 BL RTK P KRC404 RTK P 25 4215 TE85R F 28C4226 T1 R25 28C4226 T1 R25 25 4215 TE85R 28C4215 O TE85R 28C4226 T1 R25 28C3775 3 TB E a4 58 6 30 92 7 25 9 14 9 28 7 19 6 15 26 7 15 2 14 48 5 31 3 45 4 75 9 24 2 62 5 73 6 5 5 16 112 9 21 1 59 3 46 1 44 2 53 8 64 3 45 54 9 45 4 50 7 47 1 59 1 49 9 64 9 57 50 6 74 4 45 5 74 9 6200009560 6200010840 6200003091 6200008190 6200009560 6200009560 6200011600 6200009560 6200005741 6200002431
48. 525 156 525 157 075 157 075 157 425 162 025 156 400 156 400 156 950 156 950 157 850 157 850 156 575 156 575 157 125 157 125 157 425 157 425 156 450 156 450 157 000 161 600 156 075 156 075 156 625 156 625 157 175 157 175 161 425 161 425 156 500 156 500 157 000 157 000 156 675 156 675 157 225 161 825 156 550 156 550 157 050 157 050 156 175 156 175 156 725 156 725 157 225 157 225 1 DSC operation only 1 Low power only 2 Momentary high power UK Marina Channels M1 37A 157 850 MHz M2 P4 161 425 MHz for U K version only NOTE Simplex channels 3 21 23 61 64 81 82 and 83 CANNOT be lawfully used by the general public in U S A waters SECTION2 INSIDE VIEWS MAIN UNIT AF amplifier MIC amplifiers IC9 LA4425A IC7 IC8 4558 T5 Control circuit Q52 KRC404 Q63 KTA2015 R5 Control circuit Q53 KTA2015 Q54 KRC404 Power amplifier RA35H1516M R8 Reg Q55 KTA1664 Q56 KTC4075 APC amplifier 1 12 NJM2107F Pre drive 010 25 4226 RF amplifier Q21 3SK131 Mixer Q22 3SK131 VCO circuit 2 j FM IF IC i 52 u IC2 TA31136FN Mo etia EON IF amplifier RONO n n ata Q23 KTC3880S Squelch a
49. 77 7 5 4 77 7 9 2 61 9 10 6 61 9 35 6 78 5 32 4 81 9 19 3 66 8 6 2 HM 150B SW 353729 MAIN UNIT 38 72 9 ORDER H V 36 7 72 9 NO DESCRIPTION LOCATION 5 4 80 5 4 1 80 5 7010007590 12K R20 34 3 78 5 7010007600 6 8K R20 34 6 81 9 7010007610 15K R20 7010007620 33K R20 TP96N97 15SK 10KB 2685 4 5 56 3 6 3 62 5 5 7 65 7 67 8 5 7 67 8 14 8 61 8 30 58 9 22 61 6 24 9 63 8 32 56 4 30 60 2 32 8 63 8 39 6 65 6 39 9 24 3 37 5 24 1 11 5 13 6 10 23 8 8 4 10 7 4030018660 0 022 C1608 16 40 9 43 6 7700002640 KUC3523 040245 2260002780 SKHHLPA010 2260002790 2260002790 KHHAMA010 2260002790 010 9027150010 71 98 010 98 98 9027150010 71 98 010 98 98 2 4 20 5 9027150020 24 00 020 W01 W01 242 8 9027150030 24 04 020 WO1 W01 4 21 5 M Mounted side T Mounted on the Top side B Mounted on the Bottom side 5 27 8 S Surface mount 4 1 29 3 26 8 67 9 E e e M M 454454454 6510015541 B4B ZR SM4 TF LF SN 79 5 12 5 6510015541 B4B ZR SM4 TF LF SN 37 7 27 2 6510021720 30FLT SM1 TB 46 10 5 6510021720 30FLT SM1 TB 62 9 16 5 7120000470 ERDS2TO 9091201210 74 98 050 X99 X99 7120000470 ERDS2TO 8900014020 OPC 1439 lt TJM gt 8900014020 OPC 1439 lt TJM gt 7120000470 ERDS2TO 9033003901 IRRAX 1 0 d L 2 mm 6910017290 IRRAX 1 5 d L 30 mm 6910014690 MPZ1608S221A T 9 9 63 9 6910014690 MPZ1608S221A T 9 8 66 1 6910014690 MPZ1608S221A T 9 4
50. C14X 10 k 73 8 69 7030003540 S 682 V 6 8 k 78 69 5 7030003450 5 122 V 1 20 77 6 78 7030003390 S ERJ3GEYJ 391 V 390 74 3 75 5 7030005420 5 202 V 2 84 4 82 1 7030005420 5 202 V 2 83 1 82 1 2 2 59 2 48 56 2 48 6 52 8 47 61 4 53 4 58 6 52 1 63 4 52 7 1790000620 1790000620 1750000711 1750000711 1790000620 1790000620 1750001340 1750001340 1790000691 1790000691 1710001080 1710001080 1750000581 1750001190 1750001190 1750001190 1750001190 1790000700 77 77 HVC350BTRF E HVC350BTRF E 77 TX 77 TX KDS160E RTK P KDS160E RTK P HSM88ASRTR E HSM88ASRTR E XB15A308 XB15A308 1SV307 KDV214E RTK P KDV214E RTK P KDV214E RTK P KDV214E RTK P DSA3A1 50 1 58 1 53 4 57 6 51 9 53 51 9 51 7 62 7 66 8 72 8 60 7 65 4 71 4 75 6 77 1 81 4 79 1 82 9 74 4 0 4444444454 116 8 55 1 110 7 58 7 101 8 58 5 96 1 58 5 86 9 61 2 3 2 3 1 1 1 1 2 2 2 1 3 1 2 1 2 1 2030000350 2030000481 2020002250 21 15 FL 368 21 15 FL 399A LT450EW lt JJE gt 6050012121 6070000290 CR 804A 21 250 MHz JTB450C24 lt JJE gt 7030005420 S 202 V 88 5 74 4 7030005420 S ERJSGEYJ 202 V 86 5 75 2 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount
51. ENCODING The DSC signals FSK are generated by the CPU LOGIC BOARD IC1 and output from pins 141 The DSC signals are applied to the buffer amplifier LOGIC BOARD IC5 pin 3 The buffer amplified DSC signals are output from pin 1 and passed through the LPF IC8 pins 5 7 and applied to the modulation circuit D2 via the deviation adjustment pot R327 to modulate the VCO oscillating signal 4 5 PUBLIC ADDRESS PA CIRCUIT The Public Address PA circuit power amplifies the audio signals from the microphone The power amplified MIC sig nals are output to the connected external speaker or hailer The MIC signals from the microphone HM 150B SW or optional HM 157 are passed through the AF mute circuit IC5 pins 10 11 and applied to the microphone amplifier IC8 pin 2 The amplified MIC signals are output from pin 1 and applied to the electric volume controller IC13 pin 1 via the AF mute circuit IC5 pins 8 9 The volume controlled MIC signals are then passed through the AF mute circuit Q65 and applied to the AF power amplifier IC14 pin 1 to be amplified to obtain 5 W min of AF output power The power amplified AF signals are output from pin 4 and applied to the connected external speaker or hailer S5V 2 z NLK E to the TX RX switch D7 D8 da 2 ty Y 2 Prescaler IC1 PoK i DATA interface 29 HPD3140GS Oo s 9
52. J3GEYJ 333 V 33 7310005040 5 22 7510001671 S NTCG16 4BH 103JT 7030003480 222 V 2 2 7030003710 ERJ3GEYJ 184 V 180 7030003580 ERJ3GEYJ 153 V 15 7030003400 ERJ3GEYJ 471 V 470 7030003540 ERJ3GEYJ 682 V 6 8 7030003490 272 V 2 7 7030003560 ERJ3GEYJ 103 V 10 7030003660 ERJ3GEYJ 683 V 68 7030003570 ERJ3GEYJ 123 V 12 7030003600 ERJ3GEYJ 223 V 22 7030003580 ERJ3GEYJ 153 V 15 7030003440 ERJ3GEYJ 102 V 1 7030003760 474 V 470 7030003720 ERJ3GEYJ 224 V 220 7030003380 ERJ3GEYJ 331 V 330 7030003490 ERJ3GEYJ 272 V 2 7 7030003620 ERJ3GEYJ 333 V 33 7030003620 ERJ3GEYJ 333 V 33 7030003480 222 V 2 2 7030003680 ERJ3GEYJ 104 V 100 7030003680 ERJ3GEYJ 104 V 100 7030003680 ERJ3GEYJ 104 V 100 65 8 30 9 63 25 7 63 24 4 61 8 37 7 55 4 37 7 53 1 27 7 51 1 35 1 47 8 35 3 51 3 33 8 41 2 53 9 72 7 37 2 56 2 43 2 44 3 49 44 2 56 4 44 2 44 5 40 4 40 3 49 8 55 63 6 47 9 62 3 49 6 64 2 42 8 62 4 45 69 6 37 3 66 1 35 3 51 9 55 7 51 9 54 3 59 9 56 9 61 6 58 4 53 5 50 4 50 8 50 4 53 5 49 50 6 45 2 57 2 46 6 703000
53. JOEB1E102K ECJOEC1H220J ECJOEB1E102K ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEB1E102K ECJOEB1E102K ECJOEB1E471K 79 8 53 2 79 7 51 2 81 46 9 82 4 37 4 82 5 27 6 89 1 27 6 85 6 25 1 87 7 27 6 93 9 30 7 88 6 19 9 86 7 34 9 88 3 30 9 101 5 33 8 97 7 22 2 99 1 21 9 99 5 30 9 102 8 33 8 93 3 21 96 3 24 6 103 3 21 8 104 7 27 4 104 7 30 2 96 3 28 5 91 1 30 9 73 4 22 2 73 4 25 104 16 5 105 4 13 7 104 10 9 105 4 8 1 108 6 9 5 98 4 7 9 95 6 10 9 91 8 9 9 20 8 26 9 102 6 16 5 29 3 30 4 23 9 24 8 24 5 9 8 23 2 9 1 23 2 16 1 31 6 8 7 30 3 16 7 34 16 2 113 4 37 3 119 36 113 5 34 7 116 2 34 7 119 30 8 119 32 1 116 2 29 5 111 5 27 1 108 7 27 1 110 3 30 3 119 26 1 118 9 15 1 118 9 19 118 9 17 7 13 9 55 1 29 9 55 5 29 7 54 22 9 51 9 22 9 47 7 18 5 48 4 10 2 50 5 21 4 44 9 18 5 41 7 22 8 39 3 28 8 41 7 31 3 41 7 36 9 41 9 31 5 49 1 32 9 52 4 25 7 50 5 28 5 50 5 25 43 5 36 8 43 3 51 5 4 4 42 1 7 1 42 1 5 8 63 7 21 7 65 21 7 67 5 12 7 53 2 4 7 68 7 24 4 68 7 25 7 68 7 28 3 68 7 29 6 38 13 5 40 2 7 1 17 3 75 4 M Mounted side T Mounted the side Mounted the Bottom side S Surface mount MAIN UNIT VR ORDER DESCRIPTION Hy H V LOCATION DESCRIPTION NO 4030017730 ECJOEB1E471K 4030017460 ECJOEB1E102K 4030017680 ECJOEC1H820J 4030017680 ECJOEC1H820J 4030017460 ECJOEB1E102K 4030016790 ECJOEB1C103K 4030017490 C1608 JB 1A 1
54. L39 L38 Sensitivity L36 adjustment L35 R214 Squelch adjustment CP3 Sensitivity check point CP5 Squelch check point SECTION 6 PARTS LIST 6 1 IC M422 LOGIC BOARD REPLACEMENT UNITS a s DESCRIPTION 7030003430 5 ERJ3GEYJ 821 V 820 7030003520 S ERJ3GEYJ 472 V 4 7 7030003440 S ERJ3GEYJ 102 V 1 7030003680 ERJ3GEYJ 104 V 100 k 7030003210 8 ERJ3GEYJ 120 V 12 7030003520 ERJ3GEYJ 472 V 4 7 7030003680 S 104 V 100 k 7 87 3 10 1 1 7030003520 S ERJ3GEYJ 472 V 4 1 10 47 21 4 39 5 70 9 12 12 7 27 5 11 2 31 7 13 7 34 8 14 4 36 8 19 6 49 1 24 8 48 8 26 1 36 8 24 8 36 8 23 1 39 9 18 4 14 6 17 16 9 7030003280 S ERJSGEY J 470 V 4 7030003440 5 ERJSGEY J 102 V 1 7030003640 ERJ3GEYJ 473 V 7030003440 5 ERJSGEYJ 102 V 7030003320 S ERJSGEY J 101 V 7030003640 S ERJSGEYJ 473 V ORDER DESCRIPTION LOCATION 1140012751 48 1 48 5 1110005771 79 7 48 8 1180000421 55 3 20 7 1140008650 51 9 27 7 1110006380 39 3 8 6 1170000352 77 2 11 6 1130013100 22 44 5 k 7k M30220MA 137RP FX 2852A 1 S 80942CNMC G9CT2G TA78L05F TE12R F HN58X2464TI LM2904PWR PC357N6J000F KIC7W14FK RTK P 4550007080 S TEESVA 1
55. SEG37 P125 SEG36 P124 SEG35 P123 VCC SEG34 P 122 vss SEG33 P121 SEG32 P120 SEG31 P117 SEG30 P116 SEG29 P115 SEG28 P114 SEG27 P113 SEG26 P112 SEG25 P111 SEG24 P110 SEG23 P107 SEG22 P106 SEG21 P105 SEG20 P104 SEG19 P103 IC1 M30220MA 137RP FX 2852A 1 P60 CTS0 RTS0 P63 TXD0 P64 CTS1 RTS1 C P65 CLI CNVSS P80 TA4OUT INT5 P61 CLK0 P62 RXD0 K1 P66 RXD1 COMRXD P67 TXD1 P70 TXD2 SDA P71 RXD2 SCL P72 CLK2 P73 CTS2 RTS2 P74 INTO P75 INT1 P76 INT2 P81 TA4IN INTS P82 TASOUT P83 TASIN P84 TAGOUT 5 P86 TA7OUT P87 TA7IN P90 AN0 91 1 P92 AN2 P93 AN3 P94 AN4 P95 AN5 P96 ANG 5EG17 110 SEG15 112 SEGB 119 DS BPF R17 BEEP BEEP DS1 SDT DT161 HP O B Max 10 78V Min 3 60V OFF 0 00V R76 DS13 DS12 390 FY1101F TR FY1101F TR 4 R51 27 R75 DS11 DS10 390 2 FY1101F TR FY1101F TR R52 Q1 27 RIS 089 088 KTA1664 Y 390 FY1101F TR LEDV R53 O 27 VCC 5 9 R63 C52 CP11 5 9 17 8 S 5 10k 0 001 O 8 cPi5 5 J Q2 51 53 55 s oi KTC4075 BL R73 O 820 i 1 03 39k
56. W ACC black white Speaker 045P0803 2807 front panel B 2807 front panel C SP net FX 706 2807 window plate B 2685 D cover A 2345 shaft 2685 shaft angle 2685 spring 1 2807 keyboard A O ring AC 2685 F bush plate 2490 grounding spring Screw PH BO 3x8 NI ZC3 BT Knob N 312 Knob N 312 C black white black white DESCRIPTION RO JO 4 amp ck vk amp c ci ck ci a 8900014010 Cable OPC 1442A LOGIC BOARD ORDER NO MECHANICAL PARTS AND DISASSEMBLY DESCRIPTION 5030002850 8930066470 8930066230 8210020990 8930066400 8930066390 8930064860 MAIN UNIT ORDER NO LCD 1508328 LCD contact SRCN 2852 SP N W 2852 LCD holder 2807 reflector 2852 LCD filter 2852 LCD sheet 2807 sponge DESCRIPTION 8900014020 8900014020 8510014940 8510014950 8930005320 ACCESSORIES ORDER NO Cable OPC 1439 Cable OPC 1439 2601 VCO case 2601 VCO cover Filter spacer DESCRIPTION Optional product 8950005110 8010019790 8010019810 8610010561 8610011260 8810004700 8810001490 8850000180 8850000500 8310050900 Screw abbreviations Cable OPC 891A 2289 mic hanger 2807 mobile bracket 2807 mobile bracket A 2040 screw knob bolt 1 2040 screw knob bolt B 1 Screw PH A0 3x16 SUS Screw PH A0 5x20 SUS Flat washer M5 SUS S washer M5 SUS 2438 caution seal 6 AO BO BT Self tap
57. XTTXD EXTRXD ICF3 ICF3 GND GND R417 47 ICF3 VOL2 C352 377 1 C378 L C3551 47p IT 470 4 R354 IC9 15k to LOGIC board J4 VOLG DSCENC C35 0 01 GND WXDEC GND DSDEC GND S5V ND ND MIC2 R403 JPW W1 cable OPC 1405 N SP cpie EP341 C361 to EXT SP 4 los lon los 6342 Je 470p 290 cL T 1 1 1 EP342 17 1 1 1 1 cers POWER 1 19 21 C343 J 0 001 HV C337 22p DSCENC MAIN UNIT 1 R353 C353 560k 1 ieee C354 2 6 001 LA4425A 3 1 gt GND Explanatory notes VOLTAGE LINE TX LINE RX LINE COMMON LINE S5V Qi KTC4075 BL L3 2 7H 2 C44 0 22 R24 tk 0 001 C42 47 5 9 2 2k Q2 KRC404 ERI 47 5 bi o Da D4 80nH 5 HVC350B E is R10 10k CP1 5 DSCENC WXDEC WXDEC DSDEC DSDEC PAOUT C421 22 R421 JPW C424 47p IC13 M62429FP EVDATA Q65 S5V C425 1 C423 47 9 I C
58. amplifier IC11 pin 4 Input port for squelch adjustment pot SQL SQLV BOARD R1 Input port for weather alert signal from the WXDEC LPF Q38 PDATA Outputs data signal to the PLL IC 5 PCK Outputs clock signal to the PLL IC IC1 pin 4 PSTB Outputs strobe signal to the PLL IC IC1 pin3 Outputs volume control signal to the volume EVDATA ccontroller IC13 pin 5 for PA circuit Outputs clock signal to the volume ccontroller EVOK IC13 pin 4 for PA circuit Input port for the DSC decode signal from the DADEG DSC decoder IC15 pin 7 CONTI CONTO Output LCD contrast adjust signal to the CPU IC1 pin 134 Outputs serial data signal to the connected COMTXD 57 Optional product Input port for the serial data signal from the COMRXD connected HM 157 Optional product Outputs clock signal to the EEPROM LOGIC ECK BOARD IC4 pin 6 port for the EEPROM LOGIC BOARD ERATA IC4 pin 5 control data NMTXD Outputs NMEA command signal Port name Description NMRXD Input port for the NMEA signal PWR Input port for power switch VR BOARD R1 Low When VOL is pushed PAMUTE Outputs control signal to the AF Public Ad dress mute circuit Q65 High During mute Outputs power control signal to the power control circuit Q61 Q62 High While the transceiver is switche
59. are passed through the deviation adjustment pot R327 to be adjusted its level Then the level adjusted MIC signals are applied to the modulation circuit APC CIRCUIT T5VO 4 2 2 MODULATION CIRCUIT The modulation circuit modulates the VCO oscillating signal with the audio signals from the microphone The level adjusted MIC signals are applied to the modulation circuit D2 to modulate the VCO oscillating signal by chang ing the reactance of D2 at the VCO Q4 Q5 D3 D4 The modulated VCO output signals are amplified at the buf fer amplifiers Q6 Q7 then applied to the transmit ampli fiers via the TX RX switch D7 4 2 3 TRANSMIT AMPLIFIERS The VCO output signals are amplified to transmit output power level by the transmit amplifiers The buffer amplified VCO output signals from the TX RX switch D7 are applied to the pre drive Q10 YGR Q12 and power IC3 amplifiers to be amplified to the transmit out put power level The power amplified transmit signal is passed through the power detector D12 D13 antenna switch 014 and a two stage LPF 121 122 127 130 C132 and then applied to the antenna connector CHASSIS UNIT J1 4 2 4 APC CIRCUIT The APC Automatic Power Control circuit stabilizes trans mit output power and controls transmit output power High 25 W or Low 1 W The power detector circuits D12 D13 detect the transmit output signal level and converts it into DC voltage The de
60. ceive 156 575 Transmit 157 075 Receive 161 675 156 100 160 700 156 600 156 600 157 100 161 700 156 125 160 725 156 625 156 625 157 125 161 725 156 150 160 750 156 650 156 650 157 150 161 750 156 175 160 775 156 675 156 675 157 175 161 775 156 200 160 800 156 700 156 700 157 200 161 800 156 225 160 825 156 725 156 725 157 225 161 825 156 250 160 850 156 750 156 750 157 250 161 850 156 275 160 875 156 775 156 775 157 275 161 875 156 300 156 300 156 800 156 800 157 300 161 900 156 325 160 925 156 825 156 825 157 325 161 925 156 350 156 400 160 950 156 400 156 850 156 900 156 850 161 500 157 350 157 400 161 950 162 000 156 375 156 425 156 375 156 425 156 875 156 925 156 875 161 525 88 157 375 157 425 157 375 157 425 156 450 156 450 156 950 161 550 157 850 157 850 156 475 156 475 156 975 161 575 4 161 425 161 425 156 500 156 500 157 000 161 600 156 025 160 625 156 525 156 525 157 025 161 625 Dsc operation only Channels 15 and 17 may also be used for on board communications provided the effective radiated power does not exceed 1 W and subject to the national regulations of the administration concerned
61. com com Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 449 0211 346047 Fax 49 0211 333639 URL http www icomeurope com E mail info Qicomeurope com Icom Spain S L Ctra Rubi 88 08190 Sant Cugat del Valles Barcelona SPAIN Phone 34 93 590 26 70 Fax 34 93 589 04 46 URL http www icomspain com E mail icomspain com Icom UK Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 44 01227 741741 Fax 44 01227 741742 URL http www icomuk co uk E mail info icomuk co uk Icom France S a Zac de la Plaine 1 Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 33 5 61 36 03 03 Fax 33 5 61 36 03 00 URL http www icom france com E mail icom france com Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 886 02 2559 1899 Fax 886 02 2559 1874 URL http www asia icom com E mail sales asia icom com Icom Polska Sopot 3 Maja 54 Poland Phone 48 58 550 7135 Fax 48 58 551 0484 E mail icompolska 9 icompolska com pl Count on us Icom Inc 5 14131 2 1 4 1 1 32 Hirano ku Osaka 547 0003 Japan 2005 2006 Icom Inc
62. d ON Outputs transmit mute signal to the APC circuit IC12 pin 3 High During mute Outputs control signal to the R5 control circuit Q53 Q54 High While receiving Outputs TX power control signal to the TX power control circuit Q17 D11 High 25 W Low 1 W Outputs attenuator control signal to the attenuator D22 High Attenuator ON Input port for the PTT switch HM 150B SW S1 Low PTT key is pushed Input port for the UNLK signal from the PLL IC IC1 pin7 High PLL circuit is unlocked RMUTEP RMUTES Input port for the DISTRESS key LOGIC BOARD S9 Low DISTRESS key is pushed Outputs AF Public Address mute signal to the AF mute circuit IC4 pin12 Low During mute Outputs AF mute signal to the AF mute circuit IC4 pin 5 for the connected HM 157 Op tional product Low During mute RMUTEM Outputs AF internal speaker mute signal to the AF mute circuit IC4 6 Low During mute MMUTEP Outputs microphone Public Address mute signal to the AF mute circuit IC5 pin 6 Low During mute MMUTES Outputs microphone mute signal to the AF mute circuit IC5 pin 5 for the connected HM 157 Optional product Low During mute MMUTEM Outputs microphone HM 150B SW mute sig nal to the AF mute circuit IC5 pin 13 Low During mute Outputs AF MIC control signal to the AF mute circuit IC6 pin 5 High PTT swi
63. es the phase of the divided VCO frequency with the reference frequency The PLL output frequency is controlled by the divided ratio of the programmable divider The buffer amplified signals are applied to the PLL IC IC1 pin 2 via the LPF L2 C34 C35 The applied signals are divided at the prescaler and programmable counter section according to the PDATA from the CPU LOGIC BOARD pin 8 The divided signal is phase compared with the reference frequency at the phase detector The phase difference is output from pin 8 as a pulse type signal after being passed through the charge pump section The output signal is passed through the loop filter R7 R9 R41 C4 C5 C43 C44 to be converted into the DC voltage and is then applied to the VCO circuits as the lock voltage If the oscillated signal drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the oscillated frequency PLL CIRCUITS 4 4 DSC CIRCUITS DECODING A portion of the demodulated AF signals from the FM IF IC IC2 pin 9 are passed through the LPF Q38 to filter DSC signal The filtered DSC signal is applied to the DSC de coder IC15 pin 2 The decoded DSC signal is output from pin7 and then applied to the CPU LOGIC BOARD IC1 pin 14 Then the CPU controls the transceiver according to the DSC content
64. g PDATA 9 RUN 29 15 vco Reference Phase Charge 8 Loop L A 16 V counter ee pump filter A ry em CM Q4 Q5 D3 D4 17 4 to the FM IF IC IC2 pin 2 4 6 POWER SUPPLY CIRCUITS Description The voltage from the connected DC power supply Common 5V converted from the HV line at the L5V regulator LOGIC BOARD The converted voltage is applied to the CPU LOGIC BOARD Same voltage as the HV line whitch is passed through the power control circuit Q61 Q62 Common 5V converted from the VCC line at the 5 regulator circuit IC 10 Transmit 5V controlled by the T5 control circuit Q52 Q57 using the SEND signal from CPU LOGIC BOARD IC1 pin 52 Receive 8 V converted from the VCC line at the R8 regulator Q55 Q56 The converted voltage is applied to the receiver circuits Receive 5V controlled by the R5 control circuit Q53 Q54 using the RCV signal from CPU LOGIC BOARD pin 53 The controlled voltage is applied to the receiver circuits 4 7 CPU PORT ALLOCATIONS Port name Description Input port for keys on HM 150B SW Approx 2 02 V A key is pushed Approx 3 00 V W key is pushed Approx 3 84 V H L key is pushed TXDET Input port for transmit detected voltage LBAT Input port for low battery detecting Input port for NOISE signal from the squelch SaL
65. he demodulated AF signals from the FM IF IC IC2 pin 9 are passed through the squelch adjustment pot R214 to be adjusted its level The level adjusted AF signals are passed through the active filter IC2 pins 7 8 R211 R213 C211 C212 C217 The filtered signals are then applied to the noise amplifier section in the IC2 to amplify the noise components only The amplified noise components are converted into the pulse type signal at the noise detector section and output from 14 as the SQL signal The 500 signal is applied to the squelch amplifier IC11 pin 1 to be amplified its level then output from pin 4 The amplified SQL signal is applied to the CPU LOGIC BOARD IC1 pin 5 Then the CPU out puts signal from pin 64 according to the SQL signal level to toggle the AF mute circuit IC4 ON OFF 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies the audio signals from microphone MIC signals within 6 dB oct pre emphasis characteristic The MIC signals from the microphone HM 150B SW MC1 are passed through the microphone mute switch IC5 pins 10 11 and amplified at the microphone amplifier IC7 pin 6 to obtain 6 dB oct pre emphasis characteristics The am plified MIC signals are limited its level at the IDC amplifier IC7 pin 5 and filtered out 3 kHz and higher audio signals at the LPF IC8 pins 5 7 The filtered MIC signals
66. mplifier IC11 NJM2125F PLL amplifier IC1 UPD3140GS 5 Regulator amplifier mute switches i Reference frequency oscillator 10 KIA7805API 14 LA4425A 4 IC5 6 BU4066BCFV 21 25 MHz X1 CR 804 FRONT UNIT Reset IC IC2 S 80942CNMC System clock 9 8304 MHz X1 CR 739 CPU LOGIC BOARD Speaker 1 M30220MA 137RP VR BOARD SQL BOARD eee Photo coupler Dimmer CTRL CPU 5 V regulator EEPROM 6 PC357N6T Q1 KTA1664Y 78105 IC4 58 2464 02 155355 2 KTC4075BL SECTION3 DISASSEMBLY INSTRUCTIONS e REMOVING THE CASE e REMOVING THE MAIN UNIT D Unscrew 4 screws Disconnect W2 from the J2 and J3 Note When replacing the screws 0 6 0 8 N m Disconnect W4 and W5 from the J4 and J5 of torque MUST be applied to ensure water resistance 3 Unsolder the antenna connector 2 points Slide the case in the direction of the arrow to separate 4 Unsolder bottom side 6 points as shown below the front pannel 5 Unscrew 2 screws and 6 screws and 2 clips to remove the MAIN unit from the chassis Front pannel Bottom side Case Unsolder Antenna connector J1 MAIN 3 Unscrew 4 screws 8 Note When replacing the screws 0 6 0 8 N m of torque MUST be applied to ensure water resistance 4 Slide the
67. oise Audio frequency response Audio output power Output impedance Audio SPECIFICATIONS TX 156 025 157 425 MHz RX 156 050 163 275 MHz 16KOG3E 16K0G2B DSC 50 Nominal 4 F to 140 F 13 8 V DC 15 negative ground Receiving 1 5 A at max audio Transmitting 5 5 A at 25 W 6 15 32 W x3 146 5 1542 D in 2 10 5 34 oz 25 W High 1 W Low Variable reactance frequency modulation 5 0 kHz Less than 10 ppm Less than 70 dBc More than 70 dB Less than 10 at 60 deviation More than 40 dB 1 dB to 3 dB of 6 dB oct from 300 Hz to 2500 Hz 2 KQ Double conversion superheterodyne system dst IF 21 7 MHz 2nd IF 450 kHz 13 dBy typical at 12 dB SINAD Less than 13 dBu More than 70 dB More than 70 dB More than 70 dB More than 40 dB 1 dB to 3 dB of 6 dB oct from 300 Hz to 3000 Hz 4 5 W typical at 10 distortion with a 4 load 4 Q Specifications are measured in accordance with TIA EIA 603 All stated specifications are subject to change without notice or obligation e Channel list International channels Frequency MHz Frequency MHz Frequency MHz Frequency MHz Frequency MHz Frequency MHz Transmit 156 050 Receive 160 650 Transmit 156 550 Receive 156 550 Transmit 157 050 Receive 161 650 Transmit 156 075 Receive 160 675 Transmit 156 575 Re
68. ping PH Pan head NI Nickel SUS Stainless NI ZU Nickel Zinc black white black white N N N N N B N N 148 553 64 MP40 MP42 C 139 3 531 64 MP13 MP4 Unit inch 1 78 35 64 60 6 225 64 MP47 164 629 64 28 9 19 64 110 4 411 32 15 19 8 2 NOTE 3 23 23 C MP16 NOTE Once these parts are removed glue must applied to the area as described when assembling Cemedine Co Type Super X R1 SQL MP19 C UNIT abbreviations C CHASSIS PARTS L LOGIC BOARD M MAIN UNIT F FRONT UNIT VR VR BOARD SQL SQL BOARD 8 e TRANSISTOR AND FET S 2SA1576A Symbol FA T 2 3775 3 Symbol 25 4081 5 Symbol BS SEMICONDUCTOR INFORMATION 25 4213 Symbol F 2SC4215 O Symbol QO 2SC4226 R25 Symbol R25 F 2SK106 Symbol 3SK131 T2 LA Symbol V12 i
69. s applied to the FM IF IC 2 5 again and amplified at the limiter amplifier section and demodulated by the quadrature detector The demodulated AF signals are output from pin 9 and ap plied to the AF cricuits 4 1 5 AF CIRCUITS The demodulated AF signals from the FM IF IC are amplified and filtered in AF circuits The AF signals from FM IF IC IC3 pin 9 are passed through the BPF Q31 Q32 and AF mute switch IC4 pins 8 9 and then applied to the volume control pot VR BOARD R1 to be adjusted its level The level adjusted AF signals are applied to the AF power amplifier IC9 pin1 to obtain 4 5 W typ of AF output power The power amplified AF signals are output from pin 4 and applied to the internal speaker FRONT UNIT SP1 via J4 or connected external speaker hailer 1 21 25 MHz PLL IC 1n 17 8 7 5 3 12 m x1 Pier Noise 21 25 MHz R214 amp detector Limiter E Quadrature amp detector IC2 1 TA31136FN 9 10 11 14 16 _ NE AW E 1st IF signal from the IF amplifier Q23 to the AF circuits I M E IT esae signal to the CPU LOGIC BOARD IC1 pin 5 R5V Squelch amp 4 1 6 SQUELCH CIRCUITS Noise squelch circuit mutes AF output signals when no RF signals are received By detecting noise components in the demodulated AF signals the squelch circuit switches the AF mute switch ON and OFF A portion of t
70. tch HM 157 is pushed Outputs AF MIC control signal to the AF mute circuit IC5 pin 12 Input port for the LO DX key LOGIC BOARD S8 Low LO DX key is pushed 4 7 PORT ALLOCATIONS continued Port name Description DSC Input port for the DSC key LOGIC BOARD 7 Low DSC key is pushed PA Input port for the PA key LOGIC BOARD 56 Low PA key is pushed Input port for the CH WX key LOGIC BOARD 5 Low CH WX key is pushed Input port for the SCAN key LOGIC BOARD 54 Low SCAN key is pushed Input port for the 16 key LOGIC BOARD S3 Low 16 key is pushed Input port for the W key LOGIC BOARD S2 Low V key is pushed Input port for the A key LOGIC BOARD S1 Low A key is pushed Outputs dimmer control signal to the LCD control circuit LOGIC BOARD Q2 Outputs beep signal to the AF amplifier IC9 pin 1 DS BPF While transmitting Outputs DSC encode signal as DSENC to the LPF IC8 pin 5 via the buffer amplifier LOGIC BOARD IC5 pins 1 3 While receiving Outputs tuning signal as BPFV to the tunable BPFs D25 D28 via buffer amplifier LOGIC BOARD IC5 pins 5 7 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION REQUIRED TEST EQUIPMENTS GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage 13 8 V DC Current capacity More than 10 A Frequency range
71. through an attenuator Frequency 1 kHz Level 30 mV Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector 2 Transmitting R112 Output power adjustment R327 Frequency deviation adjustment 29 Y 1 1 Audio generator millivoltmeter e 5 4 RECEIVE ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION VAE E POINT UNIT OPERATION UNIT ADJUST SENSITIVITY Channel CH16 156 800 MHz MAIN Connect a DC volt meter Maximum MAIN 135 L36 L38 e SQL Max counterclockwise or oscilloscope to the voltage L39 e Connect a distortion meter with a 4 Q check point CP3 Repeate two load to the external speaker lead times or more e Push PAeRX4 for 1 sec to turn the RX speaker mode ON Connect an SSG to the antenna connector and set as Frequency 156 800 MHz Level 10 dBu Modulation 1 kHz Deviation 3 kHz Receiving Channel CH16 156 800 MHz Connect a volt meter or e SQL Max counterclockwise oscilloscopeto the Set the SSG as check point 5 Level 12 dBu Receiving
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