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IC-M602 Service manual - R

1.
2. 28 to LOGIC board J2 2 2 10 J1 u J2 ILG m ul lt 2 22X6CC gt C gt 2 gt 2 L gt C WOES arae IO 9 OOO ue to MAIN unit
3. to AF unit J1 25
4. C205 8 7 7207 R158 C208 8 5 0159 Rica I 3 5 C171 Bs 170 C253 6201 2L E Bi bi mu 3 C177 DY BN 7 gt ED 178 272 re 433 C179 of Lm C316 gt 1 1221 x R89 C277 cu kw 2295 40278 C157 RAW 14 1 JU RT C25 1 ZE cl C118 8186 S S EH La EJ C164 110 887 Raika gt b EJ T 8 i C391 191 263 P 100 bg Cg kia B g PZ 233 GER 5 22 4 5
5. E C35 049 c378 LBB 187 6037 RABBI 319 LL 93 127 R254
6. Riad LI6 LEB2 Cisal sr E 307 RZE C329 023 CES 7 m 89 R277 C364 ET L L C3 RZA 1 awe EE ma hi C7 DEN _ e NG E 21 5382 L5 LE 042 b L EB Du BA
7. 2 88 T s U f i gt a E p 9012 8 0195 3 II s cea c7 E a 5 84 C68 LIC EHI B R96 zn m Ch Sh 9 7 AF UNIT TOP VIEW Wise _ AS ROJU a to FRONT to VR unit W1 board 1 1 2 1 3 J7 J6 O N 20 sez gt gt O 2731 11 M S B S E E s RES la gt 200 y Ced Sb R277 R276 zm J8 1 HALL to CHASSIS 2 VV2
8. 100 Q 680 Q 68 kQ 100 68 100 Q 470 kQ 47 kQ 100 Q 100 kQ 1 27 2 2 MC 3 3 2 2 MC 0 1 2 MC 470 10 47 MC 33 1 2 680 0 SN MM gt gt ara 7030003560 S RESISTOR 103 V 10 7030003320 S RESISTOR ERJ3GEVJ 101 V 100 7030003560 S RESISTOR 103 V 10 7030003320 S RESISTOR ERJ3GEVJ 101 V 100 7030003560 S RESISTOR 103 V 10 7030003500 S RESISTOR 332 V 3 3 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 7030003480 S RESISTOR ERJ3GEVJ 222 V 2 2 7030003640 S RESISTOR 473 V 47 7030003360 S RESISTOR ERJ3GEVJ 221 V 220 7030003280 S RESISTOR ERJ3GEVJ 470 V 47 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003380 S RESISTOR ERJ3GEVJ 331 V 330 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003420 S RESISTOR ERJ3GEVJ 681 V 680 7030003500 S RESISTOR 332 V 3 3 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003480 S RESISTOR 222 V 2 2 7030003380 S RESISTOR ERJ3GEVJ 331 V 330 7030003360 S RESISTOR 221 V 220 7030003500 S RESISTOR ERJ3GEVJ 332
9. to MAIN unit J1 BOTTOM VIEW LOGIC BOARD 2 m SJ 52 JV C51 4 4S ONVH gt cH gt 1 Rel AM LL w z 2 2 C46 R64 cug o QNO 5 vivid 5 05 IVIQ 9 CLA 9 EA ig JOS A T to ay 55 NIOS 2 l i L AsTos 2 R56 m lt WA 79 69 R57 139 lt 1 142 C40 ES 8 8 5 8 CI 311 140 2 R58 E 135 564 39 D M Um ERGO gt 132 GEM gt 69 131 a 13 LNOA 0128 6129 E gt 8 2 gt 21 C126 171 Ai 2 905 3 C123 saa 5 IA 8 4 990 2 B5 BIS 33 HAI 2 cHIAVIVO Mss O g1Sd3 NZHVIvQ ead 23823 552 249 56 s S S 8 8 B B 4 LBG NE 4093 WON 92 R un B IMVIV0 090 z zaa 915 0 NOOS HM MH ZKU gt NILdO T gt 090 813638 N dS gLS5 09 1 11 dV gt dS gt 8 a 8 lt ngos amp
10. 35 NA Q5 BOTTOM VIEW AF UNIT 8069 6069 R30 LE 069 R306 R305 led ESD 90 02 R3I R301 C IEN IEX JIS e J5 GND to MAIN unit GND GIO 0009 1020 0003 50 92 A JE E gt R229 674 R42 C49 879 674 MI 572 0928 ECH 110 ue R207 R205 C201 7002 R210 R206 A LI 0 4
11. 8222 470 168 1 0u 00 C265 0 01 C261 0 001 C111 44 0047 3p 10p C208 0 033 U _ 1 016 9 i 25 4116 5 IC15 BU4584BFV M62363FP 650C 2 4 NJM2902V IC11 TC4W53F 5 C2 DE 5 _ E p IT TAT Gg e NJM2211M L O O C266 18p C268 18p L69 1 0u R161 2 2k C200 0 001 014 25 4215 pu unit 2 PDATA Q17 25 4116 100 3 72V 18 R146 R145 R144 C197 C196 C195 NJM2902V 10k 10k 10k C277 R227 R228 0 01 0 01 0 01 12 1 47k 33k 10 14 s Gb Lis IC3 NJM2902V l 1 R220 L72 D40 011 254116 018 PMBFJ310 ES lt lt 20 P21 C439 gt 0 001 440 0 001 441 0 001 C386 0 01 C437 R182 0 001 C201 0 047 R150 8151 470L 470 8149 1 5k R148 8 2k R147 10k R185 100 C194 470p 0 0022 C193 C187 0 033 0 1 8189 4 Tk C192 C186 0 033 10 2 164 0 11 00 2 C191 0 012 8143 100 8181 10 Ra 2 278 0 1 275 0 001 039 1SV214 C276 C280 1 C284 40 JI C274 C286 D37 10 10p 18V214 lt C 1SV214 R188 330 dii _ A 8 Ws 8 gt A s 2T m A 3 RI Q19 25 4215 8 C290 gt 0 5 5 CM 012 161 D33 PMBFJ310 A 9815 g SAT 55 173 SST SE Sx 00 am C237 LB 258 _
12. 68 25C3326 25C3775 3 TB 2SC4081 T106 R 25 4081 106 5 25 4116 BL DA204 T146 DA204 U T106 DAN202 T146 DAN202 U T106 DAP202K T146 Svmbol CCB Svmbol OV3 Svmbol BR Svmbol BS Svmbol LL Svmbol K Svmbol K Svmbol N Svmbol N Svmbol P B B B B B 1 E E E A2 25 4215 25 5110 0 2SD1664 Q 2SJ144 Y 2SK1069 4 TL DSA3A1 HSB88WSTR HSM88ASR TR HSU88TRF HVC358B Symbol QO Symbol MGO Symbol DAQ Symbol VY Symbol FJ Color Green Symbol Silver line Symbol C3 Symbol 9 Symbol B2 8 S S green E E D D 3SK294 DTA144EUA T106 DTB123 EK T146 DTC144EUA T106 DTC144TU T106 MA2S111 MA77 MA742 MA8036 L MA8051 M Symbol UV Symbol 16 Symbol F12 Symbol 26_ Symbol 06 Symbol A Symbol 4B Symbol M1U Symbol 3_6 Symbol 5 1 8 8 8062 PMBFJ310 Symbol 6 2 Symbol M10 SECTION 9 BOARD LAYOUTS 9 1 VR BOARD 9 4 CONNECT UNIT TOP VIEW 4 AN J1 1 voLi VOL2 19 3 GND 18 to AF uni
13. gt I C N CO LO OR OO O Q ON N N N OV V NMEAIN i vec VCC VCC 3 I I NC 4 DONG I GND GND NMEAIN 3 NMEAIN 8 NMEAIN 5 NMEAIN HV d HV 7 8 m NMEAOUT NMEAOUT HVS HVS RRXDA1 gt RRXDA1 VCC AF d6 bra 9 SP RTADA1 RTADA1 AF da AF 05 OEB C ICF3 SP gt SP HANG 4 AF MIC1 A AF MIC1 AF Sup 93 NMEAOUT 7 SP 09 SP KEY Q 2 20 KEY RRXDA2 x RRXDA2 GND zed GND d1 10 RTXDA2 RTXDA2 DSC DSC Q NMEAOUT _ AF MIC2 AF MIC2 BEEP BEEP NMEAIN MICG MICG OPTIN 45 OPTIN GND GND RMUTE A GND SCON qz SCON __4 15 a 0518 2 DATAMN DATAMN 17 4 to FLASH GND d 1 GND 4 DATANM DATANM 19 COMMAND RRXDA1 EPOE 7 FOG 5 5 FOG 8 C C ICF3 DATAH2M DATAH2M EPSTB EPSTB DATAMH2 DATAMH2 DATAHIM gt 5 DATAH1M 1 DATAMH1 VCC AF MIC1 u MICC TA 6 GND i 2 I I I
14. 122 V 7030003450 S RESISTOR 122 V 7030003570 S RESISTOR 123 V 7030003570 S RESISTOR 123 V 7030003570 S RESISTOR 123 V 7030003440 S RESISTOR 102 7030003440 S RESISTOR 102 7030003580 S RESISTOR 153 V 7030003500 S RESISTOR 332 V 7030003360 S RESISTOR 221 7030003570 S RESISTOR 123 V 7030003560 S RESISTOR 103 V 7030003330 S RESISTOR 121 V 7030003330 S RESISTOR 121 V 7030003630 S RESISTOR 393 V 7030003640 S RESISTOR 473 V 10 kQ 1 MQ 47 10 kQ 10 10 kQ 10 kQ 12 47 47 2250000470 ENCODER 9 00116 10 10 10 10 10 12 12 KQ 12 1 2 1 2 12 12 12 1 1 15 3 3 220 12 10 120 120 1187 58838 2510001210 SPEAKER 066 0804 lt KS gt OPC 1177 lt LIA gt ERDS2TO ERDS2TO 39 MC 47 a S Surface mount 7030003440 7030003560 7030003500 7030003360 7030003360 7030003360 7030003360 7030003330 7030003330 7030003700
15. 0 IC1 TA31136FN war 66 PLL IC 1012 uPD3140GS Reference oscillator X4 CR 664A 15 3 MHz D A converter IC15 6236 650 Located under side of the point LOGIC BOARD LOGIC BOARD Lithium battery BT1 CR2032 EEPROM Reset IC IC4 HN58X241 28F PI IC2 S 80942CNMC G9C CPU DINDEOSBD IC1 HD64F2633F25 System clock X1 CR 691 9 8304 MHz SQL BOARD VR BOARD Speaker 2 2 HM 127 OPTIONAL UNIT TOP VIEW LCD 991 A0119 BOTTOM VIEW System clock X1 CSTCC4 91MG CPU IC1 uPD789405AGK A30 9EU Data buffer circuit Dimmer circuit Reset IC IC7 5 80928 8V regulator IC6 TA7808F 5V regulator dio 22 285 M wane M62429FP AF MIC switch T 109 TC4W53FU AF amplifier MIC amplifier Po M IC2 TA7368F IC4 NJM2125F 3 DISASSEMBLY AND OPTIONS INSTRUCTIONS CAUTION DISCONNECT the DC power cable from the transceiver before performing any work on the transceiver Otherwise there is danger of electric shock and or equip ment damage Opening the transceiver case Removing the MAIN unit 1 Unscrew 6 screws and remove the front unit 1 Remove the shield cover 6 2 Unscrew 6 screws 8 and remove the rear panel Removing the LOGIC board 2 Disconnect flat cables from J1 and J2 1
16. 9 2 MAIN UNIT 9 4 __________ _ 9 6 9 8 HM 127 OPTIONAL UNIT 9 8 BLOCK DIAGRAM WIRING DIAGRAM VOLTAGE DIAGRAM LOCIE BOARD ee 12 1 MAIN UNIT 12 2 12 4 den 12 5 127 OPTIONAL UNIT 2 4 12 6 SECTION 1 SPECIFICATIONS GENERAL e Frequency coverage Mode e Usable channels Power supply requirement e Usable temperature range e Current drain at 13 8 V DC Antenna connector e Dimensions projections not included Transmit 156 020 157 425 MHz Tx 156 050 163 275 MHz Rx 16KOG3E FM 16KOG2B DSC All international U S A and Canadian channels plus 10 Weather channels 13 8 V DC 15 negative ground 20 C to 60 C 4 F to 140 F at 25 W max audio 5 2 A typical Receive 1 2 A typical SO 239 50 220 W x110 H x109 4 D mm 821 42 W x 41142 H x 45A6 D inch Weight 1350 g 2 97 Ib TRANSMITTER e Output power at 13 8 V DC High 25 W Low 1 W Modulation Variable reactance frequency modulation Maximum frequency deviation 5 0 kHz Frequency error 0 3 kHz Spurious emission
17. rad u a I FRONT UNIT 5 E ET Gio L48 49 XB15A308 ee Se ee 617DB 1327 P3 l 2804215 D21 HSB88WS 1136FN Ln OAR Z b a I I HSM88ASR I I I 1 I I I I I I I I X3 I Ea gt S sa aa 744 IC14 0 U 21 25MHz NJM2107F ts lt TX MUTE 5CLV CI8L lt 015 C27 033 DTC144EU 28C4215 25 5110 2 N Q NI NJ L T mm um um um m mm um um m m m I mm m m m m a 018 PMBFJ310 o D39 D40 1SV214 019 i 25 4215 d I LCD sa CTRL MODULE 035 2SA1577 IC1 036 DTC144EU 78085 BOARD IC8B IC8A H 5218 M5218AFP PWR i IC2 REG CTRL IN MOD TA78LOBF ONI KI LPF IDC gt e i A 5V 5 L FTR P3CP012W1 R 691 i Q15 016 25 4116 9 8304MHz Ik 01 2581132 C17 2581132 l NZ Q2 DTC144EU IC2 L U UD DIM S 80942CNMC G9CI i 88 88 A VCC CONT HD64F2633F25 CTRL N EXT SP IC7 BU4066BCF OPTION RESET I M
18. 88 419 2 2 2 PCK 4 8 3 gt 3 C 7 IRS 1 4 O 4 PDATA 2 6 9 5 6 PDATA E J7 HLYL X 6 HLVL MOD __ 42 L i SOLV qi SQL5V RTXDA2 MVVC 5 ROSE d NWC 2 SQLV DET 4 8 DET 8 SQLG COMMAND RRXDA2 do 9 b 9 3 MIC2 GND Ja 5 GND 4 2 5 6 8 ETE I J5 7 ICF3 I O eee eat eet ase _ DIAL BOARD I x DIAL1 VCC DIAL2 AF MIC2 gt __ _ E 8 DIAL3 MICG DIAL4 GND CHASSIS B GND I J1 4 I L iI 1 1 4 I I I 1 0 0 ANT 3 I i e c ma 2 I 1 I I I I MAIN UNIT SECTION 12 VOLTAGE DIAGRAMS 12 1 LOGIC BOARD LOGIC BOARD D11 D18 HSU88 R91 R98 10k IC5 S818A33AVC BGN T2 to MAIN i unit J1 a LIS C lt 5 5 SR 30 g 6 a 6 5 m 65 p a 1 38 DEC a M P36 RXD4 P15 PO13 TIOCB1 TCLKC 37 ee ha K5 si M RCS E 2 BALE PG1 CS3 OE IRQ7 P12 PO10 TIOCCO TCLKA A22 sal a pss f w roca je e So ES Jom Sd KIE sr 75 k m LH
19. 9 32 S m 5 TA gt 19 BI Yd 010 cha a i GND G040 C106 105 T1 Sd 1 e CI CI12 r l M LIV 4 a cLIV JLNNI 120 218 qI NO aisva A is gt GN4S LF zi Ra RO 14QXL 2 3 ON QNO lu 2m PR 5 af E R38 o R4 A Satu r LL gt Le Reel Y 0 LOIN 8 LL lt 8 3 6 E us AA axy n j ONS LI 2 015 007 9 6 MAIN UNIT TOP VIEW CHASSIS JI ANT ER L I
20. amplifiers to obtain an approximate 50 mW signal level The amplified signal is then applied to the RF power amplifier IC13 4 2 4 POWER AMPLIFIER CIRCUIT MAIN UNIT The power amplifier circuit amplifies the driver signal to an output power level IC13 is a power module which has amplification output capabilities of about 35 W with 50 mW input The output sig nal from IC13 pin 1 is passed through the antenna switch ing circuit D46 and is then applied to the antenna connec tor via the low pass filter L1 L2 L89 C1 C3 C5 C361 C364 4 2 5 APC CIRCUIT MAIN UNIT The APC Automatic Power Controller circuit stabilizes the TX output power The RF output signal from the power amplifier IC13 is detected at the power detector circuit D47 D48 and is applied to APC controller The applied voltage compares to PCON signal from the D A converter IC IC 15 pin 14 and then outputs the differential bias voltage for power amplifier IC13 pin 3 Thus the APC circuit maintains a constant out put power 4 3 PLL CIRCUITS 4 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 divided VCO frequency with the refer ence frequency The PLL output frequency is controlled by the crystal oscillator and divided ratio of the programmable divider IC12 is a dual PLL IC which controls both TX and RX VCO circuits and contai
21. 102 V 1 7030003420 S RESISTOR ERJ3GEVJ 681 V 680 7030004050 S RESISTOR ERJ3GEVJ 1RO V 1 9 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 7030003320 S RESISTOR ERJS3GEYJ 101 V 100 7030003320 S RESISTOR ERJ3GEVJ 101 V 100 7030003320 S RESISTOR ERJS3GEYJ 101 V 100 7030003300 S RESISTOR ERJ3GEVJ 680 V 7030003450 S RESISTOR ERJ3GEVJ 122 V 1 2 7030003320 S RESISTOR ERJ3GEVJ 101 V 7030003400 S RESISTOR ERJS3GEYJ 471 V 470 7030003420 S RESISTOR ERJ3GEVJ 681 V 7030003200 S RESISTOR ERJ3GEVJ 100 V 10 7030003660 S RESISTOR ERJ3GEVJ 683 V 7030003400 S RESISTOR ERJ3GEVJ 471 V 470 7030003320 S RESISTOR 101 V 7030003240 S RESISTOR ERJ3GEVJ 220 22 7030003300 S RESISTOR ERJ3GEVJ 680 V 7030003500 S RESISTOR 332 V 3 3 7030003320 S RESISTOR 101 V 7030003200 S RESISTOR ERJ3GEVJ 100 V 10 7030003760 S RESISTOR ERJ3GEYJ 474 V 7030003400 S RESISTOR ERJS3GEYJ 471 V 470 7030003640 S RESISTOR ERJ3GEVJ 473 V 7030003450 S RESISTOR ERJ3GEVJ 122 V 1 2 7030003320 S RESISTOR 101 V 7030003390 S RESISTOR ERJ3GEVJ 391 V 390 7030003680 S RESISTOR 104 V 7030003480 S RESISTOR ERJ3GEVJ 222 V 2 2 7030003440 S RESISTOR 102 V 7030003740 S RESISTOR ERJ3GEVJ 334 V 330 7030003610 S RESISTOR 273 V 7030003620 S RESISTOR 333 V 33 703
22. S ELECTROLYTIC ECEV1CA100SR S CERAMIC C1608 JB 1 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1 104 S ELECTROLYTIC ECEV1HA3R3SR S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C2012 JB 1A 105M T S CERAMIC C1608 JB 1E 104 S ELECTROLYTIC ECEV1HA3R3SR ELECTROLYTIC 16 MV 1000 HC S CERAMIC C1608 JB 1H 103K T S ELECTROLYTIC ECEV1CA101UP S ELECTROLYTIC ECEV1CA101UP S ELECTROLYTIC ECEV1CA470SP S ELECTROLYTIC ECEV1CA221P S ELECTROLYTIC ECEV1CA221P S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 473K T S CERAMIC C1608 JB 1H 473K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1H 472K T S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1H 103K T S CERAMIC C2012 JB 1A 105M T S CERAMIC C2012 JB 1A 105M T S CERAMIC C2012 JB 1A 105M T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 471K T S CERAMIC
23. S IC TA31136FN D EL S IC NJM2125F Te S IC NJM2902V TE1 S IC BU4584BFV E2 S IC TA31136FN D EL S IC NJM2211M TE1 S IC TC4W53F TE12L S IC uPD3140GS E1 DS8 IC RA35H1516M 01 S IC NJM2107F TE1 S IC M62363FP 650C S FET 3SK294 TE85L S TRANSISTOR 25C4215 0 TE85R S FET PMBFJ310 S FET PMBFJ310 S FET 35 294 TE85L S FET PMBFJ310 S FET PMBFJ310 S TRANSISTOR 25C4215 0 TE85R S TRANSISTOR 25C4116 BL TE85R S FET PMBFJ310 S TRANSISTOR 25C4215 0 TE85R S TRANSISTOR 25C4215 0 TE85R S TRANSISTOR 25C4215 0 TE85R S TRANSISTOR 25C4116 BL TE85R S TRANSISTOR 25C4116 BL TE85R S FET PMBFJ310 S TRANSISTOR 25C4215 0 TE85R S TRANSISTOR DTA144EUA T106 S TRANSISTOR DTC144EUA T106 S TRANSISTOR 25C5110 0 TE85R S TRANSISTOR 25C5110 0 TE85R S TRANSISTOR 2SC3775 3 TB S TRANSISTOR DTC144EUA T106 S TRANSISTOR 2 3775 3 S TRANSISTOR DTC144TU T106 S TRANSISTOR DTC144EUA T106 S TRANSISTOR 25 1577 T106 S TRANSISTOR DTC144EUA T106 MAIN UNIT ORDER MET 1710001080 1750000580 1750000580 1750000430 1790001330 1790000980 1750000430 1790001330 1720000810 1720000810 1720000660 1720000260 1720000260 1720000260 1790001620 1790000620 1790000620 1750000550 1710001080 1790000690 1790000690 1730002320 1790001250 2030000250 2020001840 2030000240 2010002330 2020001840 6070000190 6070000190 6050011590 6050011070 6110001600 6110001600 6110001600 6110001580 6200003550 6200003550 619000159
24. 70 4 621 800 0004 gt L6 IV R203 Wo R199 R198 R216 7102 R217 7108 14 R215 amp 212 8144 11 2 BOTTOM VIEW 127 BOTTOM VIEW HM 136 l 6 2 B B qq C jala m 5 a A 24 16 9 to Speaker SECTION 10 BLOCK DIAGRAM ANT E For other channels Q2 LI1 C3 04 1327 es 2504215 FL 285 PMBF4J310 511068886 384294 I I CC UNIT I CERAMIC XTAL X I Ber JA KI lt KI 4 KI KI a I 31 05 2 i IC3A 22 NJM2902V i I WXDEC I LC 012 PMBFJ310 D32 033 HVC358B 16 D3 D4 IC5E F 4 25 4116 1SV307 BU4584BFV NJM2211M NJM2902V 1 L ATTI 30 6MHz I l AL 2 I m
25. DOWN KEY 3 0V 16 9 KEY 3 8V W1 CHASSIS HANGER 12 5 HM 127 OPTIONAL UNIT MAIN UNIT CHASSIS IC2 TA7368F C18 330 SP VV1 C10 835 C12 MC ER 6 O O 0 1 1k 1 VCC NC 8 4 SP1 11 1V VIN VV2 C13 RIPPLE O 0 O0 3 0 0047 R37 22k R36 M M C14 C15 C16 C17 10k 0 1 7 7 100 277 100 777 100 C11 054 057 DS8 0 1 SML 311YT SML 311YT SML 911YT C24 04 C26 28J144 M62429FP R39 R41 DS6 FY1101F TR 059 SML 311YT A 0 DS5 FY1101F TR DS3 FY1101F TR DS2 FY1101F TR CONTA 4 3V 3 4 0V 2 3 6V 1 3 3V 5 DTC144EU NJM2125F Q6 DTB123EK Q1 2SK1069 R24 1 2k IC5 TA78LO5F S10 P40 KRO 511 41 1 S12 P42 KR2 S13 P43 KR3 S14 P44 KR4 515 45 5 P93 S16 IC R26 P92 S17 XT1 NTCG16 P91 S18 IC1 XI2 P90 S19 uPD789405AGK A30 9EU VDDO P87 S20 VSSO P86 S21 X1 85 522 X2 P84 S23 RESET 100 P83 S24 P46 AN 82 525 L47 P81 S26 00 P80 S27 AVDD IC6 781 05 to IC M601 M602 CONNECT unit J1 1 CMPREF 0 CMPINO 6 5 4 D2 DAN202U I P66 AN P65 AN P61 AN P60 AN P27 INTP3 CPT5 P26 INTP2 TO5 P25 INTP1 TI1 P24 INTPO TIO P23 CMPTOUTO TO P22 SI RXD P21 SO TXD P20 SCK ASCK P53 P52 P51 CP17 5 80928 09 2SK1069 1 010 25 4081 858 47 SRXD SRXD IC8 855 13 Q11 TC
26. 602 Top cover 10 pieces Addresses are provided on the inside back cover for your convenience 1 WATERPROOF CH WX 4 DISTRESS gt t 1 REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 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 insu lated tuning 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 50 to 60 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 1 SECTION 2 224 2 0 SECTION 3 SECTION 4 4 1 4 2 SECTION 5 5 1 952 5 3 SECTION 6 SECTION 7 7 1 7 2 7 3 SECTION 8 SECTION 9 1 1 O 1 ON DN 9 SECTION 10 SECTION 11 SECTION 12 12 1 12 2 12 3 12 4 12 5 SPECIFICATIONS INSIDE VIEWS PARA cease aga Bu HM 127 OPTIONAL UNIT
27. I x 5 6 771 r z 149 148 5 TX 0 0V C 617DB 1327 P3 617DB 1327 P3 55 Q7 8 8 35 294 E N w d zB 55158 CDBC450CX24 S p TT3 Po pT7 7 7 474 CP 5 Ox e oe TES EA os OW oh i eB o lhemuex J u 1 2504215 A IC6 om ez s 8x S134 133 132 ET AZ 2 0 T MC138 E544ENAS 100014 MC138 E544ENAS 100014 MC138 E544ENAS 100014 C 8105 C150 L51 L52 Os 18 0 001 82n 68n V 10 8116 10 184 470 215 5 e 5 a CHASSIS Cc i ER OR FIG 8 o X ALFYM450F K ANE 5 CV oS N x sa 8 744 21 25 MHz L3 D1 1 IC13 _ i IC M602 only _ B RA35H1516M LA 2 XB15A308 2SA1577 BI 8V CS U of bo 1 CC ON 4 lt 65 5 RE 1388 28 ee 046 C6 L2 L1 XB15A308 0 001 LA 243 LA 243 4 0 0 0 Bx gt 58 R I 4 ASC 28 5 S IX 7 37V gt 036 peg 8 38 56 FRX 0 0V DTC144EU C202 R251 85 85 LI _ _ al 120 100 6 87V C318 D43 R258 C323 L84 C334 15 77 39 47 47 18 o p AM 00 TY fe HEC 1 7777 7 1
28. 2 2 DISASSEMBLY INSTRUCTION CIRCUIT DESCRIPTION RECEIVER ee Eb teet am ade oe 4 1 TRANSMITTER CIRCUITS 4 3 PLEC ING 4 4 9116 ea a gt NOZE 4 5 LOGIC CIRCUITS dtes avrei ni be Ede adu UE Mead EM be 4 5 POWER SUPPLY CIRCUITS 4 6 PORT ALLOCATIONS 2 2 2 4 24 2 4 6 ADJUSTMENT PROCEDURES PREPARATION 4 5 1 PLL ADJUSTMENTS 5 2 RECEIVER ADJUSTMENTS 5 3 PARTS LIST MECHANICAL PARTS AND DISASSEMBLY Jes A e 7 1 7 3 7898 SEMI CONDUCTOR INFORMATION BOARD LAYOUTS VE BO eda E 9 1 SQL BOARD 9 1 DIAL 4 9 1 X 9 1 LOGIC BOARD
29. 2577 IC clip 2577 IC plate Insulation plate 2438 cap Thermally sheet Al Screw BT M3 x 8 NI ZU BLACK WHITE Jumper MJP 0 6 Shield case BM7 2577 RX VCO case 2577 TX VCO case 2577 DBM case 2577 DBM case 2577 shield case 2577 earth plate Earth spring D Switch SPPH22014A Battery CR2032 LCD HLM7784 010100 2577 LCD holder 2577 reflector 2577 LCD sheet Screw abbreviations Self tapping PH Pan head ZK Black NI Nickel SUS Stainless A CO DOO oe NI ZU Nickel Zinc FRONT UNIT ORDER LUE osa 8900011470 Cable OPC 1177 8210019180 8210019190 8610011240 8610011250 8610011240 8610011250 8610011210 8610011230 8810008660 8930059200 8930053030 8930058900 8850001980 8930052280 BLACK WHITE BLACK WHITE BLACK WHITE BLACK WHITE 2577 front panel assembly 2577 front panel A assembly Knob N295 Knob N295 A Knob N295 Knob N295 A Knob N293 Knob N293 A Screw PH BT M3 x 8 NI ZU O ring AT 2345 earth plate Rubber sheet BB Flat washer M10 O ring AC 1 1 1 1 1 1 1 1 7 1 1 2 1 2 CONNECT UNIT ORDER E NN Connector LTW 8MP C Connector LTW 8MP C Connector LTWD 06PMMP LC 6510022440 6510022440 6510023320 DIAL BOARD E DESCRIPTION SQL BOARD DESCRIPTION 7210002360 Variable resistor TP96N97 15F 10
30. 4030007090 4030006900 4030006850 4030006860 4030007090 4030006860 4030007090 4510004590 4030007090 4030006900 4510004630 4030011600 4510004630 4030011600 4030006900 4510004630 4030006860 4030012600 4030006900 4030012600 4030006860 4030011600 4510004590 4510004590 4030011600 4030006850 4550000530 4030008890 4030008890 4030006870 4030010040 4510004630 4030012600 4030012600 4030010770 4030012600 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 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 682 V 6 ERJ3GEYJ 152 V 1 ERJ3GEYJ 105 V 1 M M M M M 8k ERJ3GEVJ 180 V 1 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 470J T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 JB 1H 103K T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 CH 1H 470J T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 CH 1H 470J T ELECTROLYTIC 16 MV 470 HC S CERAMIC C1608 CH 1H 470J T S CERAMIC C1
31. 4030009540 4030006900 4030011770 4030009920 4030006900 4030011600 4030006860 4030006860 4030007130 4030007090 4030011600 4510004630 4030006900 4030012600 4030006900 4030006860 4030011600 4030011600 4030011600 4030007160 4030007160 4030011600 4030006860 4030006900 4030006900 4030011810 4030011810 4030011600 4030006860 4550006700 4030011600 4030011600 4030011600 4030008850 4030008900 4030008900 4030006850 4030011600 4030006850 4030006860 4030007060 4030008560 4030006900 4030006900 4030006860 4030009530 4030018400 4030006900 4030009910 4030009920 4030006900 4030011600 4030006860 4030006860 4030007130 4030007090 4030011600 4510004630 4030006900 4030012600 4030006900 4030006860 4030011600 4030007100 4030007090 4550006700 4030011600 4030011600 4030008850 4030008900 4030008900 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 2R5B T C1608 CH 1H 020B T C1608 JB 1H 102K T C1608 CH 1H 270J T C1608 CH 1H 270J T C1608 JB 1H 103 C1608 JB 1H 102K T C1608 JB 1H 103 C1608 JB 1H 103K T C1608 JB 1H 102K T CM105 CH 330G 50AT C1608 CH 1H 1R5B T C1608 JB 1H 103 C1608 CH 1H 060B T C1608 CH 1H 050B T C1608 JB 1H 103 C1608 JB 1E 104 C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1
32. 6 pin 5 The signal is applied to the FM detector section in IC6 for demodulating 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 IC6 pin 9 is applied to the AF circuit e OTHER CHANNELS CIRCUIT The 1st IF signal from the 2nd IF amplifier Q2 is applied to the 2nd mixer section of FM IF IC IC1 pin 16 and is mixed with a 30 6 MHz 2nd LO signal which is generated at the PLL circuit using the reference frequency 15 3 MHz to pro duce a 450 kHz 2nd IF signal The 2nd IF signal from IC1 pin 3 is passed through the ceramic filter which unwanted signals are suppressed and is then applied to the 2nd IF limiter amplifier in pin 5 The signal is applied to the FM detector section in IC1 for demodulating into AF signals The FM detector circuit employs a quadrature detection method linear phase detection which uses a ceramic dis criminator X1 for phase delay to obtain a non adjusting cir cuit The detected signal from IC1 pin 9 is applied to the AF circuit 2ND IF AND DEMODULATOR CIRCUITS NEA For CHANNEL 70 ONLY 21 25 MHz Les 21 25 MHz Limiter amp IC5a IC3C IC5b IC9 IC3d FM DEC2 signal DSC detector lt H aecoser lt IC6 TA31136FN AF signal DET 4 u 6 IC 11 kd e 2ND IF AND DEMOD
33. 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003480 S RESISTOR 222 V 2 2 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003480 S RESISTOR 222 V 2 2 7030003560 S RESISTOR 103 V 10 7030003560 S RESISTOR 103 V 10 S Surface mount MAIN UNIT ORDER ORDER E E ona E NN 1 5 KQ 47 3 3 10 470 1 MQ 100 Q 470 Q 470 Q 1 MC 10 MC 2 2 MC 7030003460 7030003640 7030003500 7030003560 7030003400 7030003800 7030003320 7030003400 7030003400 7030003440 7030003560 7030003480 7410000950 7510001660 7030004050 7030004050 7030004050 7030004050 7030004050 7030004050 7030004050 7030004050 7030004050 7030004050 7030004050 7030003480 7030003480 7030003480 7030003480 7030003440 7030003440 7030004050 7030004050 7030004050 7030004050 7030003620 7030003680 7030003600 7030003560 7030003640 7030003490 7030004050 7030003320 7030003320 7030003600 7030003600 4030011070 4030011190 4030011170 403001 7200 4030011210 4030011190 4030018350 4030006860 4030006860 4030006860 4030006860 4030007070 4030007040 4030009530 4030007170 4030006850 4030006860 4030011600 4030006850 4030011600 4030009920 4030009920 4030006860 4030009520 4030009350 4030006990 4030009540 4030009520 4030009350 4030006990 4030009510 4030009530 4030007020 4030007100 S RESISTOR S RESISTOR S RESI
34. S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 470J T C1608 JB 1H 471K T C1608 JB 1H 102K T GRM31M2C2H180JV01L C1608 JB 1H 102K T C1608 JB 1H 102K T GRM31M2C2H180JV01L C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T ECST1VY224R C1608 JB 1E 104K T C1608 JB 1H 102K T C1608 CH 1H 220J T C1608 JB 1H 102K T C1608 JB 1H 102K T ECST1AY106R C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 103K T C1608 JB 1H 102K T C1608 JB 1H 103K T ECST1CY685R C1608 JB 1H 102K T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 CH 1H 020B T C1608 CH 1H 221J T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 JB 1E 104K T C1608 JB 1H 471K T C1608 JB 1E 104K T C1608 CH 050B T C1608 CH 1H 060B T C1608 JB 1H 102K T C1608 CH 1H 1R5B T C1608 CH 1H 010B T C1608 CH 1H 080D T C1608 CH 1H 3R5B T C1608 CH 1H R75B T C1608 CH 1H R75B T C1608 CH 1H 080D T C1608 CH 1H 3R5B T C1608 CH 1H 010B T C1608 CH 1H 1R5B T C1608 CH 1H 120J T C1608 C
35. S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL LA 243 LA 243 LA 243 LA 238 MLF1608A 4R7K T MLF1608A 4R7K T E526HNA 100312 E526HNA 100312 E526HNA 100312 E526HNA 100312 E526HNA 100312 617DB 1327 P3 617DB 1327 P3 NL 322522T 100J NL 252018T 082J LQW2BHN68NJ01L NL 252018T 4R7J C2520C R75G 0 75U E544ENAS 100014 E544ENAS 100014 E544ENAS 100014 E544ENAS 100014 617DB 1327 P3 617DB 1327 P3 NL 322522T 100J ELJNC 82NK F LQW2BHN68NJ01L NL 252018T 4R7J C2520C 1R2G 1 2U ACL2520L 3R3K T NL 322522T 3R9J 3 LB 258 NL 322522T 2R2J 3 MLG1608B R10J T MLG1608B R10J T ELJRE 56NG F MLG1608B R10J T NL 252018T 1R0J NL 252018T 1R0J ELJRE 56NG F NL 322522T 3R3J 3 LB 258 NL 322522T 2R7J 3 MLG1608B R10J T S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER OR TE ST on 6200003280 S COIL NL 252018T 2R2J 7030003560 S RESISTOR 103 V 10 6200009560 S COIL MLG1608B R10J T 7030003560 S RESISTOR 103 V 10 6200009560 S COIL MLG1608B R10J T 7030003560 S RESISTOR 103 V 10 6200005740 S COIL ELJRE 47NG F 7030003550 S RESISTOR ERJ3GEVJ 822 V 8 2 6200002430 S COIL NL 252018T 082J 7030003460 S RESISTOR ERJ3GEVJ 152 V 1 5 6200002430 S COIL NL 252018T 082J 7030003760 S RESISTOR ERJS3GEYJ 474 V 470 6200002600 S COIL NL 252018T 047J 7030003760 S RESISTOR ERJSGEYJ 474 V
36. gt R 7 a g R124 x 642 SE a R331 Rt 5 BE 32 33 L34 iag L12 ud EE L22 L34 s E z SS LNG 410 Z SEE L R116 to AF unit J5 5 C266 C268 197 RISQ 195 R148 t x2 129 168 5 5 im ele e I 16 asus 0 5 5 8 els C175 a sk R220 giup 6218 29 10
37. 127 using intercom function High While receiving Outputs voice signals from HM 127 to 7 INCHM 602 using intercom function High While transmitting Outputs MIC DSC modulation circuit control signal MIC DSC High While the DSC signal is mod ulated Outputs the microphone select signal 12 HAILIN High While using the hailer speak er Outputs fog horn control signal FOGC High Fog horn is ON Outputs the microphone select signal HAILOUT High While using the HM 136 4 7 3 CPU LOGIC BOARD IC1 Port D ipti escription Input port for PLL unlock signal from 7 UNLK the PLL IC MAIN unit IC12 pin 7 High While PLL is unlocked Outputs a clock signal to the EEP ROM 6 Input port for the decode signal for PIE DECS channel 70 receiver Input port for the ATIS DSC decode BEEP Outputs beep audio signals I O port for the cloning data from the DATAMG transceiver I O port for the cloning data to the I O port for the communicating signal DATAMH1 from the transceiver to the micro DATAHIM from the microphone HM 127 1 to the transceiver phone 127 1 z DATANM I O port for the GGA signals 69 DATAMN port for the NMEA data Outputs a data signal to the PLL IC PDATA MAIN unit 1212 5 Outputs a clock signal to the PLL IC Outputs the voice scrambler unit 74 OPTIN UT 112 detecting signal Low While UT 112 is connecti
38. 470 6200002600 S COIL NL 252018T 047J 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 6110001600 COIL LA 243 7030003640 S RESISTOR 473 V 47 6170000230 COIL LW 25 7030003380 S RESISTOR ERJ3GEVJ 331 V 330 6200008950 S COIL LQH32MN221K21L 7030003680 S RESISTOR ERJ3GEVJ 104 V 100 7030003630 S RESISTOR 393 V 39 7030003580 S RESISTOR 153 V 15 7030003670 S RESISTOR ERJ3GEVJ 823 V 82 7030003480 S RESISTOR 222 V 2 2 7030003270 S RESISTOR ERJ3GEVJ 390 V 39 7030003680 S RESISTOR ERJS3GEYJ 104 V 100 7030003480 S RESISTOR ERJ3GEVJ 222 V 2 2 7030003560 S RESISTOR 103 V 10 7030003240 S RESISTOR ERJ3GEVJ 220 V 22 7030003440 S RESISTOR 102 V 1 7030003480 S RESISTOR ERJ3GEVJ 222 V 2 2 7030003320 S RESISTOR ERJ3GEVJ 101 V 100 7030003620 S RESISTOR 338 V 33 7030003450 S RESISTOR ERJ3GEVJ 122 V 1 2 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003380 S RESISTOR ERJ3GEVJ 331 V 330 7030003600 S RESISTOR ERJ3GEVJ 223 V 22 7030003520 S RESISTOR ERJ3GEVJ 472 V 4 7 7030003560 S RESISTOR 103 V 10 7030003520 S RESISTOR ERJ3GEVJ 472 V 4 7 7030003640 S RESISTOR 473 V 47 7030003320 S RESISTOR ERJS3GEYJ 101 V 100 7030003440 S RESISTOR
39. 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T S CONNECTOR 26FLT SM1 TB S CONNECTOR 28FLT SM1 TB S CONNECTOR 27FLZ SM1 TB S CONNECTOR B6B PH SM3 TB CONNECTOR 800 8 lt LTC gt S CONNECTOR B8B ZR SM3 TF S CONNECTOR B8B ZR SM3 TF LCD S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED HLM7784 010100 FY1101F TR LED FY1101F TR FY1101F TR FY1101F TR FY1101F TR LED LED LED LED FY1101F TR LED SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 S Surface mount 5040002660 5040002660 5040002660 5040002660 5040002660 5040002660 2230000250 3020000110 0910055503 AF UNIT ORDER ERP 1110002030 1180000420 1110003090 1130007690 1130007690 1110003750 1130007690 1110003750 1110003750 1110005800 1110004520 1170000350 1130011120 1110002400 1130007690 1130007570 1130007570 1130007430 1110002400 1520000460 1590000430 1530002550 1590000430 1530002850 1530002850 1530002850 1590001390 1560000810 1530002850 1530002280 1590000430 15
40. 7030003640 7030003560 7030003560 7030003560 7030003560 7030003680 7030003680 7030003560 7030003440 7030003440 7030003200 7030003200 7030003200 7030003200 7030003200 7030003200 7030003200 7030003200 7030003560 7030003560 7030003560 7030003560 7030003560 7030003560 7030003560 7030003560 7030003640 7030003560 7030003560 4550006660 4030006900 4030011600 4030008890 4510005860 4030006900 4030011600 4030011600 4510004630 4030011600 4030011600 4030006850 4030011600 4030011600 4030007060 4030007060 4030011600 4030006900 4030011600 4510004630 4030006860 4030011600 4510004630 4030011600 4030006900 4030011600 4030006900 4030011600 4030006860 4030006860 4030006860 4030006860 4030011600 4030006900 4030006850 4030006900 4030007090 4030007090 4030007130 4030007130 LOGIC BOARD ORDER ORDER OR mon E OR 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 TANTALUM S CERAMIC S CERAMIC S CERAMIC 102 V 1 ERJ3GEVJ 103 V 10 332 V 3
41. CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S MYLAR S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 471K T C1608 JB 1H 103K T C1608 JB 1H 103K T C1608 JB 1H 103K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 473K T C1608 JB 1A 224K T C1608 JB 1H 471K T C1608 JB 1H 222K T C1608 JB 1H 103K T C1608 JB 1E 104K T ECHU 1C 333JB5 C2012 JB 1A 105M T C1608 JB 1H 102K T C1608 JB 1E 104K T ECST1AY106R TESVA 1V 473M1 8L C1608 CH 1H 020B T C1608 UJ 1H 180J T C1608 UJ 1H 180J T C1608 CH 1H 180J T C1608 CH 1H 180J T C1608 JB 1H 222K T C1608 JB 1H 103K T C1608 CH 1H C1608 JB 1H 222K T C1608 CH 1H 120J T C1608 CH 1H 270J T C1608 CH 1H 270J T C
42. ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 105 V 1 ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 393 V 39 ERJ3GEYJ 203 V 20 ERJ3GEYJ 103 V 10 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 103 V 10 S THERMISTOR NTCG16 4BH 103KT ERJ3GEYJ 103 V 10 ERJ3GEYJ 203 V 20 ERJ3GEYJ 103 V 10 ERJ3GEYJ 183 V 18 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 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 203 V 20 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 102 V 1 ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ3GEYJ 223 V 22 ERJ3GEYJ 153 V 15 ERJ3GEYJ 104 V 100 ERJ3GEYJ 474 V 470 ERJ3GEYJ 104
43. FY1101F TR LED FY1101F TR LED SML 311YTT86 FY1101F TR LED FY1101F TR LED SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 MICROPHONE SKB 2746 LPC S SWITCH S SWITCH S SWITCH S SWITCH PCB SKQLLCE012 SKQLLCE012 SKQLLCE012 SKQLLCE012 5526D LCD CONTACT SRCN 2320 SP N W S Surface mount 7 MECHANICAL PARTS AND DISASSEMBLY 7 1 IC M602 CHASSIS PARTS ORDER E NN Jam 6510004880 8900011450 8900011460 8010019070 8210019200 8210019210 8930058270 8930058260 8930058460 8110007800 8930058480 8510014900 8930034300 8930058780 8810008660 8810008660 8820001210 8820001210 8820001210 8820001210 8810004300 8930052290 8930058450 8930058470 8930049040 8930055040 8930059020 8810008660 MAIN UNIT ORDER E NN 7030010860 6910002160 8510014870 8510014880 8510014890 8510014890 8510015100 8930059350 8930014140 LOGIC BOARD ORDER jem 2230000250 3020000110 5030002390 8930058440 8210019060 8930058910 Antenna connector MR DS E 01 Cable OPC 1175 Cable OPC 1176 2577 chassis 2577 rear panel assembly 2577 rear panel A assembly 2577 F packing 2577 R packing 2577 bush plate 2577 module cover 2577 module plate 2577 shield cover 1542 ANT seal 2577 sheet Screw PH BT MS x 8 NI ZU Screw PH BT MS x 8 NI ZU 2438 screw 2438 screw 2438 screw 2438 screw Screw PH x 10 ZK O ring AD
44. J2 FF o 2 lt O ja 2 z EO W6 Kat kk phan gt 5 OZ 6 2 SP aL 66 SP 27 1 1 9 c ENG R46 R52 oc Wam 7 il SPI DS 8 88 1 5 cH SIE D5 07 n Oa M i se 104 105 S S J 5 008 ROL A 8 i SENG wal 3 12 2 JE ELS 8 14 8 14 EHE CH 281 M RIE2 C36 3 4 Ss gt 108 2 C58 km E zj e C4 gs CAT RAO JB mi m L R85 5 22822 C i O p 86 ie Ce l e d NJ 028 r 1613 1017 085 R265 CC C2 ms R262 c amp 98535 6731 078 S w gr 8 14 23 9 168 IL Rag SRA RII _ 4 1 7 1 7 TE KAN dosi NG 75 Eb I 2525 R16 1C7 Y con RG U am 2 269 Ge fs gt 4 ok 8 818 14 5 C10 i BI 61 B AE NE les l 558800 m R268 L 597 9 16 A 5 1016 25 63 I LC2 Z gt ES gt 8 NE 0201 LC at 14 C301 Ri JEJ 19 2 13 1 d lt xz zz O lt tm OQOAEO 2069 L9C9 lt 29 zz gt 05 6 00 01 cz OLO lt gt lt ooo ma 2295 gt 259 lt 988 z S lt lt x e lt zoe 2 gt gt gt C 986006 2 20 1 14 8 unit J4 unit UT 112 0 to CONNECT unit J5 RI9 38
45. OTHER CHANNELS VCO 012 amplified at the buffer amplifiers Q13 and Q23 The receiv er LO signal is applied to the 1st mixer circuit for OTHER CHANNELS D11 L18 L19 passing through a low pass fil ter 121 L22 C52 C54 A portion of the VCO output signal is re applied to the PLL IC 122 pin 2 or pin 19 via the buffer amplifier Q19 4 4 DSC CIRCUITS 4 4 1 DSC MODULATION CIRCUIT LOGIC AF AND MAIN UNITS ATIS signal from the CPU LOGIC unit pin 117 is applied to the buffer amplifier AF unit 018 as DSC sig nal The signal passes through the analog switch AF unit IC7 1 and then applied to IDC amplifier AF unit 8 Then the amplified signal is applied to the transmitter cir cuit e PLL CIRCUIT 2 CV Loop filter X2 8 Phase detector 15 3 MHz 16 Programmable divider 30 6 MHz signal 17 to the FM IF IC pin 2 Q16 DSC CIRCUIT DSC signal from the CPU LOGIC board IC1 pin 117 analog switch Programmable p counter rescaler The signalis passed through the splatter filter AF unit IC8b to suppress unwanted 3 kHz or higher signals The filtered signals are then applied to the TX modulation circuit via the D A converter IC MAIN unit IC15 pins 11 12 as a DSC modulation signal MOD 4 5 LOGIC CIRCUITS 4 5 1 MAIN UNIT CPU IC1 is a 8 bit single chip micro computer which contains LCD driver serial I O time
46. ST Cm 3 10248 LET a E 214 C236 u vm 12 ij 9 sy SR gt 8149 196 S 112 2202 yE 108 15791 580 104 T R323 KA R296 0320 Ra ar FIE R311 0432 R329 BEM E IRZLI 13 12 usi E Wi R208 c GA 4 5292 ew 24 E il WH 1 Cg 2 E 2 R324 J2 8V i PCK PDATA HLVL MOD GND to AF unit J2 LEJH BOTTOM VIEW MAIN UNIT
47. V 3 3 7030003480 S RESISTOR 222 V 2 2 7030003370 S RESISTOR ERJ3GEVJ 271 V 270 7030003440 S RESISTOR 102 V 1 7030003230 S RESISTOR ERJ3GEVJ 180 V 18 7030003270 S RESISTOR 390 V 39 7030003370 S RESISTOR ERJ3GEVJ 271 V 270 7030003480 S RESISTOR 222 V 2 2 7030003240 S RESISTOR ERJ3GEVJ 220 V 22 7030003390 S RESISTOR 391 V 390 7030003500 S RESISTOR ERJ3GEVJ 332 V 3 3 7030003200 S RESISTOR 100 V 10 7030003400 S RESISTOR ERJ3GEVJ 471 V 470 7030003560 S RESISTOR 103 V 10 7030003450 S RESISTOR ERJ3GEVJ 122 V 1 2 7030003560 S RESISTOR 103 V 10 7030003390 S RESISTOR ERJ3GEVJ 391 V 390 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003200 S RESISTOR ERJ3GEVJ 100 V 10 7030003440 S RESISTOR 102 V 1 7030003450 S RESISTOR ERJ3GEVJ 122 V 1 2 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003560 S RESISTOR ERJ3GEVJ 103 V 10 7030003240 S RESISTOR 220 V 22 Q 7030003680 S RESISTOR ERJ3GEVJ 104 V 100 7030003240 S RESISTOR 220 V 22 0 7030003380 S RESISTOR ERJ3GEVJ 331 V 330 7030003440 S RESISTOR 102 V 1 7030003500 S RESISTOR ERJ3GEVJ 332 V 3 3 7030003310 S RESISTOR ERJ3GEVJ 820 V 82 0
48. __ e LO SH s BST 88 SE o gt 4 i 1 T Q13 8V 6036 gt 2564215 C Ba 3 m a 8238 L79 e e a gt PE Oe or Sai 1k 2 2u lt p lt lt Lx lt 2 Be SET 98 Q21 022 gt ce DTA144EU DTC144EU 12 88 88 88 8 840 7 112 470 MC120 E526HNA 100312 DOZ mm me 119 DU L18 D 617DB 1327 P3 pe eh ee 617DB 1327 P3 I I 3 T a all elt A PO ER X1 fr e e 00 CDBC450CX24 8 2 8 8 y C36 C48 2p 2 5p 6 76V EN 03 TX 0 0V 85 m PMBFJ310 02 C 35 294 i i 25 4215 EN x 2 No TA31136FN eu Sea 6 A ane N 04 a BR UE C PMBFJ310 O 115 113 111 J3 MC120 E526HNA 100312 MC120 E526HNA 100312 MC120 E526HNA 100312 MC120 E526HNA 100312 E FIS 3 2505110 6 81V R338 L31 ALFYM450F K US 100 85 MC138 E544ENAS 100014 ___ _ Os 2X R51 820 Lo XS 88 C Bike TN os C419 CH5 414 1800 150 p 0 75 0 75 8 8 88 l I l 411 C410 XO 1 1 5 8
49. real GA 156950 156550 0 156 325 160 925 86 157 325 0 0 0 C O 66 66 66A 156 325 156 32 157 375 67 67 156 375 87A 157 375 zoa 157000 167000 2I 21 187 050 161650 69 166475 166475 157425 1 Low power only 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 channie change Transmit VVX01 162 550 VVX06 Receive only 162 500 WXO2 162 400 WXO7 Receive only 162 525 WAOS 162 475 VVX08 Receive only 161 650 WX04 162 425 WX09 Receive only 161 775 WX05 162 450 WX10 Receive only 163 275 SECTION 2 INSIDE VIEWS 2 1 IC M602 MAIN UNIT RF amplifier 01 35K294 gt oe 2 d 4 mi ta u a A A ER pss 21 43 IT z 4 CI A 1 lt RF amplifier for CH70 Q7 3SK294 Antenna switch circuit KI 1st mixer circuit for 70 D21 HSB88WS L48 149 617DB 1327 P3 1st mixer circuit 1 HSB88WS L18 L19 617DB 1327 P3 TX RX switch circuit D42 D43 MA77 Power amplifier IC13 RA35H1516M RX VCO circuit M 9 1x VCO circuit 912 PMBFJ310 Lin DE 6 018 PMBFJ310 032 033 HVC358B a 039 040 1SV214 2nd mixer for CH70 IC6 TA31136FN 2nd mixer
50. 0 4030012600 4030011600 4510005870 4510004600 4030006900 4510006220 4510006220 4510004640 4510006240 4510006240 4030006860 4030008920 4030008920 4030006860 4030011600 4030011600 4030006900 4030006880 4030006900 4030006900 4030006860 4030006860 4030006900 4030006900 4030006900 4030012600 4030012600 4030012600 4030006860 4030006860 4030011600 4030011600 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006850 4030006860 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C2012 JB 1A 105M T C1608 JB 1H 222 C1608 JB 1H 471K T C1608 JB 1E 104 C1608 JB 1E 104 C1608 JB 1H 103K T C1608 JB 1E 104 C1608 JB 1H 103K T C2012 JB 1A 105M T C1608 JB 1E 104 S CERAMIC C2012 JB 1A 105M T S CERAMIC C1608 JB 1H 102K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC C1608 JB 1 104 S CERAMIC C1608 JB 1A 224 S CERAMIC C1608 CH 1H 470J T S CERAMIC C1608 JB 1H 222K T S CERAMIC C1608 CH 1H 120J T S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 CH 1H 220J T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1H 392K T S CERAMIC C1608 CH 1H 820J T S CERAMIC C1608 JB 1H 333K T S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1H 103K T S CERAMIC C1608 JB 1E 104
51. 0 6190001590 6190001590 6190001590 6190001590 6130002960 6130002960 6200001830 6200002430 6200008090 6200002860 6200010520 6190001580 6190001580 6190001580 6190001580 6130002960 6130002960 6200001830 6200002160 6200008090 6200002860 6200010440 6200010510 6200003100 6130002370 6200002990 6200009560 6200009560 6200006990 6200009560 6200001980 6200001980 6200006990 6200003320 6130002370 6200003090 6200009560 DIODE S DIODE S DIODE S DIODE S ZENER S DIODE S DIODE S ZENER S VARICAP S VARICAP S VARICAP S VARICAP S VARICAP S VARICAP S DIODE S DIODE S DIODE S DIODE DIODE S DIODE S DIODE S ZENER S DIODE MONOLITH CERAMIC MONOLITH MONOLITH CERAMIC XB15A308 1SV307 TPH3 1SV307 HSB88WSTR MA8036 L TX MA742 TX HSB88WSTR MA8036 L TX HVC358BTRF HVC358BTRF 15 288 TPH2 1SV214 TPH2 1SV214 TPH2 1SV214 TPH2 15 308 TPL3 MA77 TX MA77 TX 159355 TE 17 XB15A308 HSM88ASR TR HSM88ASR TR MA8051 M TX 25111 FL 285 IMD 100 31 05 MHz ALFYM450F K FL 298 IMD 100 21 7 MHz FL 298 21 700 MHz ALFYM450F K S DISCRIMINATOR CDBCB450KCAY24 RO S DISCRIMINATOR CDBCB450KCAY24 RO CR 744 21 25 MHz 664 15 300 MHz S XTAL S XTAL COIL COIL COIL COIL S COIL S COIL COIL COIL COIL COIL COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL COIL COIL COIL COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL
52. 0003480 S RESISTOR 222 V 7030003610 S RESISTOR ERJ3GEVJ 273 V 27 7030003500 S RESISTOR 332 V 7030003430 S RESISTOR ERJ3GEVJ 821 V 820 7030003480 S RESISTOR ERJ3GEYJ 222 V 7030003200 S RESISTOR ERJ3GEVJ 100 V 10 7030003260 S RESISTOR ERJ3GEVJ 330 V 7030003440 S RESISTOR 102 V 1 7030003450 S RESISTOR ERJ3GEYJ 122 V 7030003560 S RESISTOR 103 V 10 7030003760 S RESISTOR 474 V 7030003560 S RESISTOR ERJS3GEYJ 103 V 10 7030003560 S RESISTOR ERJ3GEVJ 103 V 7030003560 S RESISTOR 103 V 10 7030003640 S RESISTOR ERJ3GEVJ 473 V 7030003440 S RESISTOR 102 V 1 7030003620 S RESISTOR 333 V 7030003560 S RESISTOR ERJS3GEYJ 108 V 10 7030003450 S RESISTOR 122 V 7030003440 S RESISTOR 102 V 1 7030003420 S RESISTOR ERJ3GEVJ 681 V 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030001150 S RESISTOR MCR50JZHJ 150 Q 151 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003440 S RESISTOR 102 V 1 68 Q 7030003560 S RESISTOR __ 103 V 10 7030003680 S RESISTOR ERJSGEWJ 104 V 100
53. 019420 5030002390 5040002660 5040002660 5040002660 5040002660 5040002660 5040002660 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 S TANTALUM S TANTALUM S TANTALUM S TANTALUM S TANTALUM S TANTALUM S TANTALUM S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ECST1VX225R ECST1VX225R ECST1VX225R ECST1VX225R ECST1VY105R ECST1VY105R ECST1VY105R ECST1VY105R ECST1VY105R C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H
54. 028 l 55 Ge 027 25 3775 R287 470 25 5110 LL L f 4 4 A Q29 RX 4 76V U DTC144EU TX 0 0V 047 048 z Ss HSM88ASR HSM88ASR ga es EIER R286 10k 18 amp sl sle ales slels 8 5 Ssetets 8 8 8 032 N LET b m S Ne DTC144TU LO LO ac MA LO LO e e 9 5 CI gt A E LO o N N tc ES A A i a e e lt O e eo O O LPS Si SE T O 3 3 gt 8290 2 95 100 oe IC14 oz ra NJM2107F 5 89 3 32V Lo 2 56V 2 84V Hi 4 75V Lo 0 0V TMUTE E L 12 W 12 3 AF UNIT to MAIN unit to LOGIC board J2 to MAIN unit J2 to FRONT unit W1 to optional unit UT 112 AF UNIT IC17 08 BU4094BCFV DTC144EU STRB INT SP ON 4 89V DATA OFF 0 0V 09 25 4116 IC3 LA4425A C33 1 C44 0 0022 FOG R60 10k R31 8 2k 2 oc HALIN r U S 8 o a STRU VBIAS 150k M602 120k M601 R88 IC8 M5218AFP R90 68k 68k 88 0 C84 22 R85 12k IC6 M5218AFP IC6 M5218AFP R68 C75 ic 33k 022 R69 1M R74 390k CC I g ICF3 0 001 C265 VR BOARD 1 HVS
55. 04 D3 1 gt _ a AW AW AW WN AQ AQ a a AW AW AW AW AW o Q16 Q15 2504116 2504116 t I g 5V R62 100k R61 100k DIM to FRONT unit W1 0520 0523 052 0511 0514 0517 865 1k DIAL board VV1 C27 0 001 C26 10 R1 TP96N97 D5 MA8062 DS21 DS24 DS3 S DS12 DS15 DS18 SQL BOARD R44 10k R41 39k DS22 DS25 DS10 DS13 DS16 DS19 DIAL2 DIAL3 DIAL4 Q2 DTC144EU R40 120 R39 120 R51 120 R50 120 R49 220 R48 220 R47 220 R46 220 R45 3 3k R43 R42 47k 2 DIAL BOARD 12 2 MAIN UNIT MAIN UNIT B 8 LO CN aa 8 8V OOOO 1 2V at 8 8 S 558 8 sj 22 D TEMP R306 1 8 WC R307 AW 8201 so a 51 680 WXDET 88258 Dect e R204 170 dsQ ES al RXADJ br n 8 DEC2 C253 V UNLOCK 4 83V Ba _ gez 88 gt R SS e E cs 8 gt NJM2902V 7 7 2SC4215 to LOGIC board Ji MW E NORGE ROL 58 83 38 saz JE C107 gt os os E C257 Ar EM R208 R207 HL za d in rj ch TMUTE mao 2k U 4 Seat mee 4d FT s X4 SEND CR 664A 15 300 MHz 1
56. 105 V ERJ3GEYJ 470 V ERJ3GEYJ 470 V ERJ3GEVJ 272 V 105 V 105 V 105 V ERJ3GEYJ 105 V 1 ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 474 V 470 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 822 V 8 2 kQ ERJ3GEYJ 153 V 15 ERJ3GEYJ 563 V 56 ERJ3GEYJ 183 V 18 kQ MO MQ MQ MQ Q Q 7 7 7 1 1 1 1 4 4 2 1M 1M 1M 333 V 33 ERJ3GEYJ 105 V 1 ERJ3GEYJ 470 V 47 ERJ3GEYJ 183 V 18 ERJ3GEYJ 822 V 8 2 ERJ3GEYJ 394 V 390 kQ ERJ3GEYJ 183 V 18 ERJ3GEYJ 105 V 1 105 V 105 V 105 V 105 V 105 V ERJ3GEYJ 823 V 82 ERJ3GEYJ 123 V 12 ERJ3GEYJ 105 V 1 124 V 120 ERJ3GEYJ 154 V 150 ERJ3GEYJ 683 V 68 ERJ3GEYJ 683 V 68 ERJ3GEYJ 102 V 1 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 105 V 1 ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 272 V 2 7 ERJ3GEYJ 103 V 10 ERJ3GEYJ 822 V 8 2 ERJ3GEYJ 183 V 18 ERJ3GEYJ 333 V 33 ERJ3GEYJ 183 V 18 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 824 V 820 ERJ3GEYJ 333 V 33 kQ ERJ3GEY
57. 1608 CH 1H 050B T C1608 CH 1H 200J T C1608 JB 1H 102K T C1608 JB 1A 224K T C1608 JB 1H 102K T C1608 JB 1H 103K T C1608 JB 1E 104K T TESVA 1V 473M1 8L ECST1CY225R C1608 CH 1H 050B T C1608 JB 1H 102K T C1608 CH 1H 200J T C1608 JB 1H 102K T C1608 CH 1H 390J T C1608 CH 1H 040B T C1608 CH 1H 680J T C1608 JB 1H 102K T C1608 CH 1H 270J T C1608 CH 1H 270J T C1608 JB 1H 102K T C1608 JB 1E 104K T C1608 JB 1H 103K T C1608 CH 1H 050B T C1608 JB 1H 103K T C1608 CH 1H 180J T C1608 CH 1H 030B T C1608 CH 1H 180J T C1608 CH 1H 100D T C2012 JB 1A 105M T C1608 JB 1H 102K T C1608 JB 1E 104K T ECST1AY106R C1608 JB 1H 102K T C1608 CH 1H 470J T C2012 JB 1A 105M T TESVA 1V 104M1 8L C1608 CH 1H 010B T C1608 CH 1H 3R5B T C1608 CH 1H 060B T C1608 CH OR5B T C1608 CH 1H 040B T C1608 CH 1H C1608 CH 1H 100D T C1608 CH 1H 100D T C1608 JB 1H 222 C1608 JB 1H 103K T C1608 CH 1H OR5B T C1608 CH 1H 120J T C1608 JB 1H 222 C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 100D T MAIN UNIT 4030006860 4030006860 4030006860 4030007030 4030006860 4030006860 4030006860 4030007090 4030007040 4030007040 4030006860 4030006860 4030007090 4030006860 4030007040 4030006860 4030009530 4030006860 4030007090 4030006850 4030006860 4030007050 4030007040 4030007080 4030007040 4550006700 4030006860 4510005310 4030007090 4030006850 4030006860 4030011170 4030006860 4030006860 4030011170 4030006860 4030006
58. 2510001092 9044902012 9044902012 9045995030 9045995030 0910052553 9029701901 1140009390 1110001810 1110004490 1120002830 1180000420 1180001250 1110005730 1130007420 1130006220 1560000810 1520000460 1530002850 1590001390 1590000430 1590000980 1560000810 1530002060 1510000510 1530002850 1750000130 1160000060 1750000550 6060000750 7030000270 7030000270 7030000280 RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR R20J 12 R20J 6 8 kQ R20J 15 kQ R20J 33 ERG2SJ 150 lt gt CERAMIC S CERAMIC HE40SJ YB 471K 50V C1608 CH 1H 471J T lt KN gt CONNECTOR 507 5 lt gt MICROPHONE KUC2123 030245 SWITCH SWITCH SWITCH SWITCH SKHHLPO14A SKHHAMO24A SKHHAMO24A SKHHAMO24A SPEAKER 036D0801B KS WIRE 71 98 010 X98 X98 WIRE 71 98 010 X98 X98 WIRE 71 98 020 X98 X98 WIRE 71 98 020 X98 X98 PCB B 5431C TUBE IRRAX 0 7 d L 4 mm 6 3 HM 127 OPTIONAL MICROPHONE MAIN UNIT ORDER once S IC uPD789405AGK A30 9EU S IC TA7368F TP1 S IC M62429FP 700C S IC NJM2125F TE1 S IC TA78LO5F TE12R S IC TA7808F TE16L S IC S 80928CNMC S IC TC7W14FU TE12L S IC TCAWS3FU TE12L S FET 2SK1069 4 TL S TRANSISTOR 25 1132 T100 R S TRANSISTOR 25 4116 TE85R S FET 25J144 Y TE85R S TRANSISTOR DTC144EUA T106 S TRANSISTOR DTB123EK T146 S FET 2SK1069 4 TL S TRANSISTOR 25 4081 T106 R S TRANSISTOR 25 1576 T106R S TRANSISTOR 25 4116 TE85R
59. 3 ERJ3GEVJ 221 V 220 Q ERJ3GEVJ 221 V 220 Q ERJ3GEVJ 221 V 220 Q ERJ3GEVJ 221 V 220 9 ERJ3GEVJ 121 V 120 Q ERJ3GEVJ 121 V 120 Q ERJ3GEYJ 154 V 150 ERJ3GEVJ 473 V 47 ERJ3GEVJ 108 V 10 103 V 10 103 V 10 103 V 10 ERJ3GEYJ 104 V 100 ERJ3GEVJ 104 V 100 ERJ3GEYJ 103 V 10 102 V 1 102 V 1 ERJ3GEYJ 100 V 10 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 100 V 10 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 100 V 10 ERJ3GEYJ 100 V 10 Q ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 473 V 47 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ECST1CC226R C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1H 273K T S ELECTROLYTIC ECEV1HA2R2SR S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1E 104K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 JB 1H 471K T C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 CH 1H 270J T C1608 CH 1H 270J T C1608 JB 1E 104K T
60. 4030006900 4030011600 4030006850 4030006860 4030007090 4030007090 4030006900 4030012600 6510019420 6510021440 5030001900 5040002660 5040002660 5040002310 5040002660 5040002660 5040002310 5040002310 5040002310 5040002310 7700002480 2260002710 2260002710 2260002710 2260002710 0910053144 8930051120 S ELECTROLYTIC ECEV1CA101UP S ELECTROLYTIC ECEV1CA331UP C1608 JB 1H 103K T S CERAMIC S ELECTROLYTIC ECEVOJA220SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC ECEVOJA220SR S CERAMIC S ELECTROLYTIC ECEVOJA220SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CONNECTOR B8B ZR SM3 TF S CONNECTOR B6B ZR SM3 TF LCD S LED S LED S LED S LED S LED S LED S LED S LED S LED C2012 JB 1A 105M T C1608 JB 1H 103K T C2012 JB 1A 105M T C1608 JB 1H 471K T C1608 JB 1E 104K T C1608 JB 1H 102K T S ELECTROLYTIC ECEV1CA100SR C1608 JB 1A 224K T C1608 CH 1H 470J T C2012 JB 1A 105M T C1608 JB 1E 104 C1608 JB 1E 104 C1608 JB 1E 104 S ELECTROLYTIC ECEV1CA101UP C1608 JB 1E 104 S ELECTROLYTIC ECEV1CA331UP C1608 JB 1H 273K T C1608 JB 1E 104 C1608 JB 1H 103K T C1608 JB 1E 104 C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 JB 1H 103K T C2012 JB 1A 105M T 0119 LCD36 28 5
61. 417 key board 2417 PTT rubber 2417 PTT sheet 2417 PTT holder 2417 top key 2417 key plate 1757 sheet Screw FH BT M2 x 5 NI ZU 2417 plate 2417 rear panel 2417 rear panel A 2417 R plate 2417 hanger knob ring Screw M4 x 8 ZK Spring washer M4 SUS 2417 rubber 2417 screw 2 6 x 16 O ring Al Film tape C Film tape D LCD A0119 LCD 36 x 28 5 LCD contact SRCN 2320 SP N W Microphone SKB 2746 LPC 2417 LCD holder 2417 reflector 2417 H plate Thermally sheet C Insulate sheet J Cable OPC 1000 2289 mic hanger Screw PH A M3 x 16 SUS 2417 C plate Screw PH A M3 x 16 SUS HM 136 9 15 12 13 14 2 MP4 MP5 11 WI HM 127 21 20 15 O O MP19 C 4 MAIN M 6 5 MP10 1 Unit abbreviations CHASSIS PARTS M MAIN UNIT HM 127 ACCESSORIES SECTION 8 SEMI CONDUCTOR INFORMATION TRANSSISTORS AND FET S DIODES 2SA1362 GR 2SA1576A T106 2SA1577 T106 Q 2SB1132 T100 R 25 1143 5 155355 15 214 15 288 15 307 15 308 Symbol AEG Symbol FR Symbol HQ Symbol BAR Symbol B1143 Symbol A Symbol T1 Symbol TJ Symbol TX Symbol TX B B B B l c pink E E EN L E
62. 56 100 160 700 20 157 100 161 70 156 625 156 625 03 03 156 150 160 750 22A 157 100 156 675 156 675 04 156 200 160 800 J23A 157450 157 150 775 77 156 875 156 875 04A 156 200 156 200 24 24 161 800 78 156925 161 525 05 156 250 160 850 25 25 161 850 78A 78 156 925 156 925 fosa 156250 156250 _ 161850 156975 161575 06 06 06 156 300 156 300 26 2 161 900 79A 79 156 975 156 975 07 156 350 160 950 27 2 161 950 80 157 025 161 625 07A _ 07 156 350 156 350 28 28 162 000 80A 80 157 025 157 025 08 08 156 400 156400 28b 162000 8 157075 161 675 09 09 09 156 450 156 450 60 60 156 025 160 625 81A 81 157 075 157 075 o 10 156500 156500 6L 166076 16055 167126 161725 ria 12 12 156600 156600 60 156126 160726 88 15717 156 125 8 83 157 175 14 156700 156700 1 wos je AX ont me 16 16 186800 156800 _ 160625 167226 64 ar ee 66A 67 N C 157 125 161 775 157 175 161 775 161 825 157 225 161 875 157 275 161 925 157 325 161 975 157 375 162 025 157 425 0 faa isa 156 900 156 900 jesa 156 275 160 875 85A 157 275 65 156 275 86 86 86 157 325 77791 156950 161550 I
63. 60000810 1530002280 1510000510 1560000810 1530002280 1510000510 1790000700 1750000550 1160000080 1750000150 1750000550 1730002360 1750000550 1750000550 1750000150 1730002360 1730002360 7030003560 7030003480 7030003560 7030003560 7030003560 LOGIC BOARD ORDER 18 ORE arm S LED S LED S LED S LED S LED S LED FY1101F TR LED FY1101F TR LED FY1101F TR LED FY1101F TR LED FY1101F TR LED FY1101F TR LED SWITCH SPPH22014A LITHIUM CR2032 PCB 58820 TA7808S ate TA78LO5F TE12R IC LA4425A S IC BU4066BCF E2 S IC BU4066BCF E2 S IC M5218AFP 600C S IC BU4066BCF E2 S IC M5218AFP 600C S IC M5218AFP 600C IC TA8225L S IC M5222FP 600C S IC PC357N6T S IC BU4584BFV E2 S IC NJM2107F TE1 S IC BU4066BCF E2 S IC BU4094BCFV E2 S IC BU4094BCFV E2 S IC TC7S14FU 16858 S IC NJM2107F TE1 S TRANSISTOR 2581132 T100 R S TRANSISTOR DTC144EUA T106 S TRANSISTOR 2SC3326 B TE85R S TRANSISTOR DTC144EUA T106 S TRANSISTOR 2SC4116 BL TE85R S TRANSISTOR 2SC4116 BL TE85R S TRANSISTOR 2SC4116 BL TE85R S FET 28J144 V TE85R S FET 2SK1069 4 TL S TRANSISTOR 2SC4116 BL TE85R S TRANSISTOR 2SC4081 T106 S S TRANSISTOR DTC144EUA T106 S FET 2SK1069 4 TL S TRANSISTOR 2SC4081 T106 S S TRANSISTOR 2SA1576A T106R S FET 2SK1069 4 TL S TRANSISTOR 2SC4081 T106 S S TRANSISTOR 2SA1576A T106R DIODE S DIODE S DIODE S DIODE S DIODE S ZENER S DIODE S DIODE S DIODE S ZENER S ZENER S RESISTOR S RESISTOR S RESI
64. 608 JB 1H 103K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC C1608 JB 1E 104K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1H 103K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC C1608 JB 1H 102K T S CERAMIC C2012 JB 1A 105M T S CERAMIC C1608 JB 1H 103K T S CERAMIC C2012 JB 1A 105M T S CERAMIC C1608 JB 1H 102K T S CERAMIC C1608 JB 1E 104 ELECTROLYTIC 16 MV 470 HC ELECTROLYTIC 16 MV 470 HC S CERAMIC C1608 JB 1 104 S CERAMIC C1608 JB 1H 471K T S TANTALUM TESVA 1V 104M1 8L S CERAMIC C1608 JB 1H 273K T S CERAMIC C1608 JB 1H 273K T S CERAMIC C1608 JB 1H 222K T S CERAMIC C1608 JB 1H 561K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC C2012 JB 1A 105M T S CERAMIC C2012 JB 1A 105M T S CERAMIC C1608 JB 1H 392K T S CERAMIC C2012 JB 1A 105M T Q Q Q Q Q Q kQ MQ ERJ3GEVJ 682 V 6 8 ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 471 V 470 ERJ3GEYJ 471 V 470 ERJ3GEYJ 473 V 47 ERJ3GEYJ 393 V 39 Q AF UNIT 4030012600 4030006870 4030006850 4030011600 4030011600 4030006900 4030011600 4030006900 4030012600 4030011600 4030012600 4030006860 4510004630 4030011600 4030011810 4030007090 4030006870 4030007020 4030011600 4030006900 4030011600 4030011600 4030011600 4030007050 4030006860 4030010770 4030007120 4030008900 4030006900 4030011600 4030006900 4030011600 4510004630 4030011600 4030011600 4030011600 4030011600 4510005870 4030011600 403001160
65. 750000150 S DIODE DA204K 1146 1750000150 S DIODE DA204K 1146 1730002360 S ZENER 8062 IX 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 1720000360 S DIODE HSU88TRF 6510022440 CONNECTOR LTW 8MP C LIA 6510022440 CONNECTOR LTW 8MP C LIA 6510023320 CONNECTOR LTWD 06PMMP LC lt LIA gt 6510023090 S CONNECTOR 20FLT SM1 TB 6510014960 S CONNECTOR B2B ZR SM3 TF 6050011090 S XTAL CR 691 9 8304 MHz 0910055492 PCB B 5881B 7030003560 S RESISTOR 103 V 7030003800 S RESISTOR 105 V 7030003640 S RESISTOR 473 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003570 S RESISTOR 123 V 7030003640 S RESISTOR 473 V 7030003640 S RESISTOR 473 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003560 S RESISTOR 103 V 7030003570 S RESISTOR 123 V 7030003570 S RESISTOR 123 V 7030003570 S RESISTOR 123 V 7030003450 S RESISTOR
66. 76 j KORG IA L 7 ba 18 PA1 A17 TXD2 DO R35 3 3k 78 EDATA m periaismoces p RU 20V0 0 BE 4 Polo ees eS a ee NI J 8 I JE pr gt 3 1510 qs US REG T e a a SS PB1 A9 TIOCB3 29 creo He SN 9 8304 MHz 88 gt VSS SCOUT SCOUT KO KO 5 gt 007175 BEE IV _______ 11111 KENT KENT ns 2 M602 PE im me icd p 33 27 M601 mo 33 am 7 1592 F 99 Ho _ Tar aas B LRESET IS SP mi KMENU m AD PF2 LCAS WAIT BREQO s 5 s m B m to MAIN 54 45 1516 _ gt unit J1 H L 10 8 5 2 t oc D KHL KHL C 8 gt KCHWX KCHWX 013 TT ze amp E amp l to DTA144EU lt lt GG 5 amp amp or EEDO 2 2 lt EEECEE a Q DTA144EU lt a a m Y DIM 7 71V MIN 5 20V _ Bx OFF 0 0V a DS2 DS7 KEM DS20 DS25 V 296 SML 311YT FYT101F TR __ m UD 8V 1132 LO C gt gt n DIM MAX 4 80V OG OS AV Av KV KV KV MIN 2 14V OFF 0 0V HANG
67. 7W14FU R54 47k 2 1576 1k Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 81 06 6793 5302 Fax 81 06 6793 0013 URL http www icom co jp world index html Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 1 425 454 8155 Fax 1 425 454 1509 URL http www icomamerica com E mail sales Dicomamerica 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 A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 61 03 9387 0666 Fax 61 03 9387 0022 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 0 icom co nz Fax 64 09 274 4708 Beijing Ltd 1305 Wanshang Plaza Shijingshan Road Beijing China Phone 86 010 6866 6337 Fax 86 010 6866 3553 URL http www bjicom com E mail bjicom bjicom com Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 Dusseldorf Germany Phone 49 0211 346047 Fax 49 0211 333639 URL http www icomeurope com E mail info icom
68. 860 4030006860 4550006130 4030011600 4030006860 4030007050 4030006860 4030006860 4550006700 4030006860 4030006860 4030006900 4030006860 4030006900 4550006650 4030006860 4030006850 4030006860 4030006850 4030006860 4030009520 4030007170 4030006850 4030006860 4030011600 4030006850 4030011600 4030009920 4030011770 4030006860 4030009540 4030009510 4030006990 4030009350 4030009560 4030009560 4030006990 4030009350 4030009510 4030009540 4030007020 4030009530 4030007100 4030006860 4030006860 4030006860 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 150J T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 CH 1H 180J T C1608 CH 1H 180J T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 470J T C1608 JB 1H 102K T C1608 CH 1H 180J T C1608 JB 1H 102K T C1608 C1608 JB 1H 102 C1608 CH 1H 470J T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 CH 1H 220J T C1608 CH 1H 180J T C1608 CH 1H 390J T C1608 CH 1H 180J T ECST1AY106R C1608 JB 1H 102K T S ELECTROLYTIC ECEV1CA220SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC
69. C12 3 PSTB Outputs a strobe signal to the D A convertor MAIN unit 15 pin 6 I O port for the communicating singal DATAH2M from the microphone HM 127 2 to the transceiver I O port for the communicating singal DATAMH2 from the transceiver to the micro phone HM 127 2 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage 13 8 V DC Frequency range 0 1 300 MHz DO Current capacity 10 Aor more 519098970 Signal Output level 0 1 LIV 32 mV generator SSG 127 10 17 dBm External speaker 900608006 Capacity 5 W or more Input impedance 50 kO V DC or better Frequency range 100 300 MHz Distortion meter Frequency range 1 kHz 10 Tracking generator Output level 0 1 HV 32 mV Measuring ranae 1 100 127 dBm to 17 dBm s gt 8 CONNECTION CAUTION DO NOT transmit while an SSG is connected to the antenna connector IC M602 rear panel to the antenna connector Standard signal generator 0 1 300 MHz 127 dBm to 17 dBm 0 1 pV to 32 mV Tracking generator Power supply 13 8 V 10 or more NOTE EXTERNAL SPEAKER JACK PIN CONNECTION NMEAOUT lt NMEAOUT gt en SP 2 NMEAIN RY NMEAIN 5 2 PLL ADJUSTMENTS ADJUSTMENT ADJUSTMENT CONDITIO
70. C1608 JB 1H 102K T S Surface mount AF UNIT ORDER ER 4030006850 4030011810 4030011810 4510004630 6330001670 6330001620 6330001460 6510023510 6510022620 6510016430 6510023090 6510023420 6510019370 6510018960 6510003380 6510020800 6510020800 7030000010 7030003860 8900011870 0910055484 6910013370 6910013370 MAIN UNIT ORDER s w 1110003490 1120002830 1110003780 1130011120 1110003490 1110003650 1130005640 1130007610 1150002080 1110002400 1190000350 1580000750 1530002600 1560000990 1560000990 1580000750 1560000990 1560000990 1530002600 1530002850 1560000990 1530002600 1530002600 1530002600 1530002850 1530002850 1560000990 1530002600 1590000720 1590000430 1530003420 1530003420 1530002240 1590000430 1530002240 1590000660 1590000430 1510000920 1590000430 S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 471K T C1608 JB 1A 224 C1608 JB 1A 224 S ELECTROLYTIC ECEV1CA100SR RELAY RELAY RELAY FTR P3CP012W1 FTR F3AA012E FTR F1CA012V S CONNECTOR 28FLT SM1 TB S CONNECTOR 10FMN BMTTR A TBT S CONNECTOR 53307 1491 S CONNECTOR 20FLT SM1 TB CONNECTOR SBA4P HVQ A S CONNECTOR B3B ZR SM3 TF S CONNECTOR B2B PH SM3 TB CONNECTOR B02B EH S CONNECTOR 10 CONNECTOR 10 S JUMPER S JUMPER CABLE MCR10EZHJ JPW 000 V 1203 58800 S BEAD BLM18BB221SN1D BLM11B221SB S BEAD BLM18BB221SN1D BLM11B221SB
71. C1608 JB 1H 103K T C1608 JB 1E 104K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC C1608 JB 1H 102K T C1608 JB 1E 104K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1E 104K T C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1E 104K T C1608 JB 1H 103K T C1608 JB 1H 471K T C1608 JB 1H 103K T C1608 CH 1H 470J T C1608 CH 1H 470J T C1608 CH 1H 101J T C1608 CH 1H 101J T LOGIC BOARD 4550006460 4550006460 4550006460 4550006460 4550007000 4550007000 4550007000 4550007000 4550007000 4030006860 4030007090 4030006860 4030007090 4030007090 4030007090 4030007090 4030006860 4030006860 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030006860 4030006860 4030006860 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 6510023360 6510023510 6510023390 6510023260 6510021860 6510019420 6510
72. CA100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 103K T C2012 JB 1A 105M T C1608 JB 1H 103K T C1608 JB 1H 102K T C1608 JB 1E 104K T C1608 CH 1H 560J T C1608 CH 1H 470J T ECST1AY106R C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 JB 1H 123K T C1608 JB 1H 333K T C1608 JB 1H 333K T S Surface mount MAIN UNIT ORDER ORDER E NN TE RT 4030006850 4030006900 4030006900 4030006900 4030006860 4030006860 4030008920 4030011810 4030006850 4030006870 4030006900 4030011600 4340000180 4030012600 4030006860 4030011600 4550006700 4550000510 4030009520 4030008270 4030008270 4030007040 4030007040 4030006870 4030006900 4030009530 4030006870 4030007020 4030007060 4030007060 4030009920 4030009990 4030006860 4030011810 4030006860 4030006900 4030011600 4550000510 4550006560 4030009920 4030006860 4030009990 4030006860 4030007080 4030009910 4030007110 4030006860 4030007060 4030007060 4030006860 4030011600 4030006900 4030009920 4030006900 4030007040 4030009530 4030007040 4030007010 4030012600 4030006860 4030011600 4550006700 4030006860 4030007090 4030012600 4550000530 4030009510 4030009350 4030011770 4030009500 4030009910 4030009530 4030007010 4030007010 4030006870 4030006900 4030009500 4030007020 4030006870 4030006860 4030006860 4030007010 S CERAMIC S CERAMIC S
73. H 101J T C1608 CH 1H 470J T C1608 JB 1E 104K T S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 103K T C2012 JB 1A 105M T C1608 JB 1H 103K T C1608 JB 1H 102K T C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 CH 1H 181J T C1608 CH 1H 181J T C1608 JB 1E 104K T C1608 JB 1H 102K T C1608 JB 1H 103K T C1608 JB 1H 103K T C1608 JB 1A 224K T C1608 JB 1A 224K T C1608 JB 1E 104K T C1608 JB 1H 102K T ECST1AY106R C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 JB 1H 123K T C1608 JB 1H 333K T C1608 JB 1H 333K T C1608 JB 1H 471K T C1608 JB 1E 104K T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 CH 1H 270J T C1608 CH 1H 300J T C1608 JB 1H 103K T C1608 JB 1H 103K T C1608 JB 1H 102K T C1608 CH 1H 030B T CM105 CH 330G 50AT C1608 JB 1H 103K T C1608 CH 1H 040B T C1608 CH 1H 050B T C1608 JB 1H 103 C1608 JB 1E 104 C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 101J T C1608 CH 1H 470J T C1608 JB 1E 104K T S ELECTROLYTIC ECEV1
74. H 1H C1608 CH 1H 560J T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T S Surface mount MAIN UNIT ORDER E E mr 4030006860 4030006860 4030006860 4030006860 4030006850 4030006860 4030006850 4030006860 4030006860 4030006860 6510023360 6510022620 6510007020 7030003860 7030003860 7030003860 7030003860 7030003860 7030003860 7030010840 7030010850 7030010850 7030010850 7030010850 7030010860 0910055475 6910013370 6910002160 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T S CONNECTOR 26FLT SM1 TB S CONNECTOR 10FMN BMTTR A TBT CONNECTOR TMP J01X V6 S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER JUMPER V JPW V V V V MJP 0 2 T MCR100JZHJ JPW MCR100JZHJ JPW MCR100JZHJ JPW MCR100JZHJ JPW MJP 0 6 PCB 5879E S BEAD BLM18BB221SN1D CASE BM7 6 2 HM 136 MAIN UNIT ORDER on 7010006890 7010006880 7010006900 7010006910 7070001110 4010007710 4030017280 6510022450 7700002120 2260002330 2260002340 2260002340 2260002340
75. IC DSC gt DADAKU o7 On IC4 STRU C I gt gt gt CLONE HN58X24128FPI EXPAND 1 SCOUT B 023 DTC144EU l CONNECT A UN Q11 12 6 6 013 DA204K Q1 2541362 I 25 4116 NMEA OUT DI DANZO2K STRU _ D i gt UM lt 19 PGA57NET Back KI l a TC7S14FU NMEA IM PHOTO External GPS E mace ML a COUPLER NMEA IN l AFSUB IMCLIM E I wr oS O IC9B l M5218AFP MICM D INCMH B i HLC HAIL SP LOGIC BOARD 1 i IC11 5 l ZN 5222 IC9A l I 5218 5218 I AF UNIT gt RELAY C pce 4 RL3 2 _ Bk l M5218AFP FTR F1 OPTIONI 127 aa BER IC13 BU4584BFV Q24 2SK1069 I I BU4066BCF Q26 2SA1576 l SPS1 A l 6 I I N SSS mces 1 SPS2 OPTION2 HM 127 10 1 g O O nad 22 IC13 BU4584BFV 028 25 1069 i id I I C29 25 4081 Q30 25 1576 BUFF Gs SECTION 11 WIRING DIAGRAM FRONT UNIT 1176 19 W1 OPC 1175 J10 u LOGIC BOARD pic Su ma a mau mau ea a a fi I I I 2 LCD 5 CONNECT A UNIT 8
76. J 153 V 15 ERJ3GEYJ 104 V 100 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 273 V 27 ERJ3GEYJ 103 V 10 ERJ3GEYJ 102 V 1 1 1 1 1 1 8 S Surface mount AF UNIT ORDER ORDER iL won 680 V 68 ERJ3GEYJ 332 V 3 3 v ERJ3GEYJ 332 V 3 3 680 V 68 MCR10EZHJ 1 Q 010 MCR10EZHJ 1 Q 010 ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 471 V 470 Q ERJ3GEYJ 473 V 47 ERJ3GEYJ 472 V 4 7 120 V 12 ERJ3GEYJ 104 V 100 ERJ3GEYJ 100 V 10 ERJ3GEYJ 102 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 102 V 1 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 470 V 47 ERJ3GEYJ 100 V 10 ERJ3GEYJ 102 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 102 V 1 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 470 V 47 ERJ3GEYJ 470 V 47 7030003300 7030003500 7030003500 7030003300 7030000020 7030000020 7030003620 7030003560 7030003540 7030003400 7030003640 7030003520 7030003210 7030003680 7030003200 7030003440 7030003640 7030003440 7030003520 7030003280 7030003200 7030003440 7030003640 7030003440 7030003520 7030003280 7030003280 7030003800 7030003800 7030003800 7030003800 7030003800 7030003540 7030003460 7030003800 7030003540 7030003460 7030003400 7030003400 7030003640 7030003630 7030004050 4030007090 4030006860
77. KA 1301 1 VR BOARD en DESCRIPTION 7210003080 Variable resistor TP96N97 15F 10KA 2345 1 ACCESSORIES ORDER E NEC Jm 8900011440 Cable OPC 1174 6510023310 6510023300 LTWD O6BFFA L180 LTWB O3BFFA L180 0800006570 0800006580 8950005110 8610010561 8610011260 8010018860 8010019140 8310050900 8810001490 8850000500 8850000180 8810004700 8930059480 HM 136W HM 136B 2289 mic hanger 2040 knob bolt 1 2040 knob bolt B 1 2455 bracket 2455 bracket A 2438 warning sticker Screw PH A M5 x 20 SUS Spring washer M5 SUS Flat washer M5 SUS Screw PH A M3 x 16 SUS Sponge GZ N N A A N N Accessories illustation is shown at the next page MP13 19 Unit abbreviations CHASSIS PARTS MAIN UNIT FRONT UNIT LOGIC BOARD CONNECT UNIT DIAL BOARD SQL BOARD VR BOARD MNES W A SQL BOARD 31 0 DIAL Am oa AF UNIT MP7 ACCESSORIES 7 2 HM 136 CHASSIS PARTS ORDER ORDER E E 8900011480 8900011490 8210017670 8210019241 8210016851 8210019221 8930052160 8930052150 8930052140 8930052690 8930052120 8930052110 8610010870 8310048760 8310048780 8820001150 8850001850 8930052340 8930052350 8930053870 8930053040 8850001610 8810009260 8810008900 8810009240 8930053850 8930058590 MAIN UNIT ORDER Cable OPC 1180 C
78. N Operating channel Receiving Operating channel Output power Transmitting Operating channel Receiving MAIN UNIT TOP VIEW SR Z SAR CP1 check point for RX L62 Lock voltage adjustment for RX CI UU Lock voltage ZO IC m UU MEASUREMENT ENT UNIT LOCATION MAIN Connect a_ digital multi meter or oscil loscope to check point CP1 Connect a_ digital multi meter or oscil loscope to check point CP2 JUU VALUE 3 8 V 4 0 V 3 1 V 9 3 V L73 Lock vol CP2 Lock vol ADJUSTMENT POINT UNIT ADJUST MAIN L62 tage adjustment for TX tage check point for TX 5 3 RECEIVER ADJUSTMENTS MEASUREMENT ae ADJUSTMENT ADJUSTMENT CONDITION UNIT LOCATION UNIT ADJUST Operating channel ch 16 MAIN Connect a tracking Set the flat wave MAIN Connect a tracking generator s generators input to form as shown below output to the antenna connector the MAIN unit J3 and set as Set to flat wave form Level 7 1 mV 30 dBm 155MHz 165 MHz M Channel 70 Operating channel ch 16 AIN Connect DC volt Maximum voltage MAIN Connect SSG to the antenna meter to check point connector and set as Frequency 156 800 MHz Level 10 IV 97 Modulation 1 kHz Deviation 3 5 kHz e Set the internal speaker OFF the SET mode and connect a distortion m
79. N AND LOGIC UNITS A squelch circuit cuts out AF signals when no 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 is passed through C89 and is applied to the D A converter IC15 pin 24 to control the amplitude The signal is applied to the FM IF IC s active filter section IC1 pin 8 The active filter section amplifies and filters noise components The fil tered signals are applied to the noise detector section and output from pin 14 as the SQL signal The SQL signal is amplified at the DC amplifier IC2 and applied to the main CPU LOGIC unit IC1 pin 104 as the SQL signal The main CPU compares SQL voltage with SQLV voltage from the SQL board and outputs the MICM and RMUTE sig nals to toggle the AF mute switches Q7 Q13 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT AF UNIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis from the microphone to a level needed at the modulation circuit e USING HM 136 The AF signals from the microphone ACC unit HM 136 are amplified at the microphone amplifier IC6a via the ana log switch IC4 pins 11 10 as MIC signal A capacitor C77 and resistor R73 are connected to the microphone amplifier to obtain the pre emphasis characteristics USING HM 127 The AF s
80. O e SERVICE MANUAL VHF MARINE TRANSCEIVER IC MGO2 Icom Inc INTRODUCTION This service manual describes the latest service information for the IC M602 VHF MARINE TRANSCEIVER at the time of publication To upgrade quality any 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 15 6 V This will ruin the transceiver DO NOT expose the transceiver to rain snow or any liquids MODEL VERSION MICROPHONE COLOR SOOT reverse the polarities of the power supply when con IC M602 HM 136B necting the transceiver USA 1 HM 136W WHITE DO NOT apply an RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the transceiv er s front end VHEMARINE IC M602 vy ECE a Sai 1 45 GA E B 1 E TM 2 DEF 1 1 ATA PP LARTER A R 4 ThaL Bros 1 q 1 PRS Ema WXY J 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 C TA31136FN 602 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw
81. R 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 RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 153 V 15 ERJ3GEVJ 122 V 1 2 105 V 1 ERJ3GEVJ 223 V 22 ERJ3GEVJ 223 V 22 2 4 7 487 ERJ3GEYJ 183 V 18 ERJ3GEVJ 103 V 10 ERJ3GEVJ 822 V 8 2 ERJ3GEVJ 822 V 8 2 ERJ3GEYJ 331 V 330 Q ERJ3GEYJ 564 V 560 ERJ3GEVJ 184 V 180 kO ERJ3GEVJ 272 V 2 7 ERJ3GEYJ 333 V 33 ERJ3GEYJ 333 V 33 ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 474 V 470 kQ ERJ3GEYJ 105 V 1 105 V 105 V 105 V
82. R CHANNELS CIRCUIT The signals from the RF circuit are mixed with the 1st LO signals at the 1st mixer circuit D11 L18 L19 to produce a 31 05 MHz 1st IF signal The 1st IF signal is amplified at the 1st IF amplifiers Q3 Q4 and then passes through the crystal bandpass filter 1 to suppress out of band signals The filtered signal is then amplified at the 2nd IF amplifier Q2 and is then applied to the 2nd mixer circuit IC1 x to the 2nd mixer circuit 1 2 IC5 to the 2nd mixer circuit IC6 pin 2 4 1 4 2M IF AND DEMODULATOR CIRCUITS MAIN UNIT The 2nd mixer circuit converts the 1st IF signal into 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 IC6 for channel 70 IC1 for other channels contains the 2nd local oscillator 2nd mixer limiter amplifier quadrature detector and noise detector circuits etc e CHANNEL 70 CIRCUIT The 1st IF signal from the 2nd IF amplifier Q10 is applied to the 2nd mixer section of FM IF IC IC6 pin 16 and is mixed with a 21 25 MHz 2nd LO signal which is generated at the 2nd oscillator section in 6 and to produce a 450 kHz 2nd IF signal The 2nd IF signal from IC6 pin 3 is passed through the ceramic filter FI6 which unwanted signals are suppressed and is then applied to the 2nd IF limiter amplifier in
83. RJ3GEVJ 222 V 2 2 ERJ3GEVJ 222 V 2 2 2 2 ERJ3GEVJ 222 V 2 2 1 1 222 102 102 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V Q Q Q Q 1 1 1 1 ERJ3GEYJ 333 V 33 ERJ3GEYJ 104 V 100 22 kQ ERJ3GEYJ 103 V 10 223 V ERJ3GEYJ 473 V 47 kQ kQ ERJ3GEVJ 272 V 2 7 ERJ3GEVJ 180 V 1 101 V 100 Q 101 V 100 Q 223 V 22 223 V 22 C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 330J T C1608 CH 1H 180J T C1608 CH C1608 CH 1H 221J T C1608 JB 1H 471K T C1608 JB 1H 102K T C1608 JB 1E 104K T C1608 JB 1H 471K T C1608 JB 1E 104K T C1608 CH 050B T C1608 CH 050B T C1608 JB 1H 102K T C1608 CH 1H 020B T C1608 CH 3R5B T C1608 CH 1H 080D T C1608 CH 1H 1R5B T C1608 CH 1H 020B T C1608 CH 1H 3R5B T C1608 CH 080D T C1608 CH 1H 010B T C1608 CH C1608 CH 1H 120J T C1608 CH 1H 560J T GRM31M2C2H5ROCY21L GRM31M2C2H270JV01L GRM31M2C2H180JV01L GRM31BR32J102KY01L GRM31M2C2H330JV01L GRM31M2C2H270JV01L GRM31A5C2J151JW01D MAIN UNIT 4030009550 4030009520 4030006860 4030007060 4030007060 4030006900 4030006860 4030006900 4030006900 4030006860 4030018400
84. RL1 FTR P3CP012W1 96 97 15 10 2345 2 781 05 78085 C273 0 001 C274 0 001 5V 197 8 2 IC10 TA8225L 10 11 12 y C EY 4 931 GAL TX 0 0V Q51 TX 4 96V a 8 2581143 RX 0 0V gt r 8 8 EN ER gt HLC On On CC CC els DATANM __ zn n RX 5 87V E En 8 BB TX 0 0V 850 05 012 R301 470 C275 C277 EE _ R38 33k 013 5 25 144 5 I 8 I NMEAIN 470 NMEAIN IC19 TC7S14FU gt gt H lt mE O IC14 R317 R318 NJM2107F Mi rad p 250116 39k M602 1 602 G 150k M601 22 601 ji z T 61 R316 5V R32 8 2k 1 47k RAXDAT e 5 2 gt MUTE ON 4 96V B gt Se pu R57 470k gt 818 254081 S 8 8 VBIAS 0 gt 5 Sz deed 814041 IC5 R205 B 2 BU4066BCF 15k DATAMN C41 1 14 gt 013 SA 0 1 VDD 2SA1576 DA204K on HALLOUT R59 100k 0641 8273 6 8k M602 3 3k M601 RTXDA2 CONNECT UNIT i ed 1 2 3 011 2 155355 rp Q 1 R216 C216 6 c210100 2504116 1 0 047 EBM HA s tH 2 8217 C215 8203 820k 1 0 047 5 to CHASSIS Wi to CHASSIS VV2 12 4 HM 136 O UP KEY 2 0V
85. S DIODE S DIODE S DIODE DA204U 1106 DAN202U I 106 155355 17 S CERAMIC CSTCC4M91653 RO S RESISTOR S RESISTOR S RESISTOR MCR10EZHJ 120 Q 121 MCR10EZHJ 120 Q 121 MCR10EZHJ 150 Q 151 S Surface mount MAIN UNIT ORDER ORDER E E E E 7030003560 7030003560 7030003560 7030003560 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003800 7030003540 7030003630 7030004120 7030003560 7030003450 7030003560 7510001670 7030003560 7030004120 7030003560 7030003590 7030003560 7030004120 7030003560 7030003440 7030003440 7030003560 7030003600 7030003580 7030003680 7030003760 7030003680 7030003570 7030003490 7030003680 7030003680 7030003620 7030003760 7030003680 7030003610 7030003630 7030003680 7030003440 7030003640 7030003440 7030003520 7030003280 7030003580 7030003560 7030003630 7030003640 7030003560 7030003510 7030003800 7030003800 7030003800 7030003320 7030003320 7030003260 7030000180 7030000180 7030000180 4510004630 4510005430 4030006900 4030006900 4030006900 4030011600 4030006900 4030011600 4030011600 4030012600 4030008920 4030011600 4510006220 4510006220 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
86. STOR S RESISTOR S RESISTOR DSA3A1 156355 TE 17 DAP202K T146 DA204K T146 155355 TE 17 MA8062 M TX 156355 TE 17 156355 TE 17 DA204K T146 MA8062 M TX MA8062 M TX ERJ3GEYJ 103 V 10 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 kQ AF UNIT 7030003580 7030003450 7030003800 7030003600 7030003600 7030000100 7030003590 7030003560 7030003550 7030003550 7030003380 7030003770 7030003710 7030003490 7030003620 7030003620 7030003440 7030003480 7030003680 7030003680 7030003760 7030003800 7030003800 7030003800 7030003800 7030003800 7030003280 7030003280 7030003490 7030003800 7030003800 7030003800 7030003800 7030003280 7030003760 7030003680 7030003560 7030003280 7030003550 7030003580 7030003650 7030003590 7030003620 7030003800 7030003280 7030003590 7030003550 7030003750 7030003590 7030003800 7030003800 7030003800 7030003800 7030003800 7030003800 7030003670 7030003570 7030003800 7030003690 7030003700 7030003660 7030003660 7030003440 7030003480 7030003800 7030003650 7030003490 7030003560 7030003550 7030003590 7030003620 7030003590 7030003520 7030003790 7030003620 7030003580 7030003680 7030003560 7030003560 7030003610 7030003560 7030003440 ORDER RE arm 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 RESISTO
87. STOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY 152 V 473 V 332 V 103 V 471 V 105 V 101 V 471 V 471 V 102 V 103 V 222 EXB V8V 102JV n O aa S THRMISTOR NTCG16 4LH 473KT 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 CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC 1R0 V 1 ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V ERJ3GEYJ 1R0 V O JO I2 I9 JO JO IO I9 JO JO IO E
88. ULATOR CIRCUITS For OTHER CHANNELS D A convertor IC IC15 pin 23 7 8 Noise detector Active filter Limiter amp WXDEC signal 1 IC3 signal psc lt AF signal IL 17 1 d 1st IF 21 7 MHz from Q10 E xe 2nd IL filter 450 kHz 30 6 MHz 7 46 Q16 pij ic 5 IC12 T X4 15 3 MHz IC1 TA31136FN 1st IF 31 05 MHz from Q2 NOISE signal to the SQL amplifier IC2 pin 1 O 8V 4 1 5 AF AMPLIFIER CIRCUIT AF UNIT The AF amplifier circuit amplifies the demodulated signals to drive a speaker The AF circuit includes an AF mute circuit for the squelch AF signals from the FM IF ICs channel 70 IC6 pin 9 other channels 1 pin 9 are passed through the analog switch IC7 pins 10 11 via the DET signal and are applied to the de emphasis circuit R31 C41 The de emphasis circuit is an integrated circuit with frequency characteristic of 6 dB octave The signals pass through the bandpass filter Q11 Q12 and are then applied to the AF mute swtich Q11 The sig nals passed through the VOLUME control VR unit R1 and are then applied to the AF power amplifier IC3 pin 1 to obtain 5 W AF audio output power The amplified AF sig nals drive the internal speaker as SP signal directly or external speaker as AF signal via the RL2 4 1 6 SQUELCH CIRCUIT MAI
89. Unsolder 2 points 3 Unsolder 17 points E 2 Disconnect microphone connector from J4 and 4 Unscrew 7 screws 6 and remove the MAIN unit SQL DIAL connector from J7 3 Unscrew 7 screws D and remove the LOGIC board i 9 5 0666 5 Unsolder point Removing the AF unit 1 Disconnect 4 connectors from J5 J8 J9 and J10 2 Disconnect 2 flat cables from J2 and J4 3 Unscrew 2 screws H and remove 2 clips CD Q 4 Unscrew 3 screws K and remove the AF unit UT 112 VOICE SCRAMBLER UNIT INSTALLATION 1 Plug UT 112 into J3 on the AF unit SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT MAIN UNIT 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 the receiver circuits Received signals enter the MAIN unit from the antenna con nector and pass through the low pass filter L1 L2 C1 C3 C5 The signals are then applied to the RF circuit via the antenna switching circuit 01 L3 L4 C7 C9 4 1 2 RF CIRCUIT MAIN UNIT 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 the tunable bandpass filter L11 23 25 which the object signals are led to each RF amplifier of channel 70 cir
90. V 100 ERJ3GEYJ 123 V 12 ERJ3GEYJ 272 V 2 7 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 333 V 33 ERJ3GEYJ 474 V 470 ERJ3GEYJ 104 V 100 ERJ3GEYJ 273 V 27 ERJ3GEYJ 393 V 39 ERJ3GEYJ 104 V 100 ERJ3GEYJ 102 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 102 V 1 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 470 V 47 ERJ3GEYJ 153 V 15 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 393 V 39 ERJ3GEYJ 473 V 47 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 392 V 3 9 kQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 330 V 33 MCR10EZHJ 22 Q 220 MCR10EZHJ 22 Q 220 MCR10EZHJ 22 Q 220 S ELECTROLYTIC ECEV1CA100SR S ELECTROLYTIC ECEVOJA220SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 103K T C1608 JB 1H 103K T C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1E 104K T C2012 JB 1A 105M T C1608 JB 1H 473K T C1608 JB 1E 104K T S ELECTROLYTIC ECEV1CA101UP S ELECTROLYTIC ECEV1CA101UP MAIN UNIT 4510006220 4510006250 4030006900 4510005430 4030012600 4030006900 4030012600 4030006850 4030011600 4030006860 4510004630 4030011810 4030007090 4030012600 4030011600 4510005430 4030011600 4510005430 4030011600 4510006220 4030011600 4510006250 4030008890 4030011600
91. able OPC 1181 2352 front panel B 1 2352 front panel G 1 2352 rear panel 1 2352 rear panel B 1 2352 key 2352 PTT rubber 2352 PTT holder 2352 mic rubber 2352 rubber 2352 main seal 2352 hanger knob 2352 R plate 2352 mic plate 2352 screw ICOM washer Y O ring AE O ring AF 2352 sheet A 2352 SP net Spring washer M4 SUS Screw PH BT 2x6NI Screw PH M3 x 6 NI Screw M4 x 10 ZK 2352 SP rubber 2589 A mic sheet c c 7700002120 Microphone KUC2123 030245 2510001092 Speaker 036008018 Screw abbreviations BT Self tapping PH Pan head FH Flat head ZK Black SUS Stainless Nickel NI ZU Nickel Zinc CHASSIS PARTS 8900010220 8900010230 2510001090 8210017360 8210017390 8930053510 8930053540 8930053990 8930053550 8930053520 8930053760 8930039000 8810009180 8930053750 8210017250 8210017300 8310049970 8610010980 8930053740 8810008450 8850000490 8930053530 8820001180 8930053730 8930054430 8930054440 MAIN UNIT ORDER CE RE mama 5030001900 8930051120 7700002480 8930053780 8210017240 8310050200 8930039610 8930054120 ACCESSORIES ORDER 8900010280 8950005110 8810004700 8310050320 8810004700 7 3 HM 127 OPTIONAL UNIT Cable OPC 997 Cable OPC 998 Speaker 036D0801 2417 front panel assembly BLACK 2417 front panel A assembly WHITE 2
92. cuit Q7 or other channels except channel 70 circuit Q1 CHANNEL 70 CIRCUIT The amplified signals from the RF amplifier Q7 are applied to the 4 stage bandpass filter 031 134 C407 C408 C410 C423 to suppress unwanted signals and improve the selectivity The signals are then applied to the 1st mixer cir cuit for channel 70 OTHER CHANNELS CIRCUIT The amplified signals from the RF amplifier Q1 are applied to the 4 stage bandpass filter L12 L15 C33 C34 C36 C48 to suppress unwanted signals and improve the selectivity The signals are then applied to the 1st mixer cir cuit for other channels 1ST MIXER AND 1ST IF CIRCUITS 4 1 3 1ST MIXER AND 1ST IF CIRCUITS MAIN UNIT The 1st mixer circuit converts the received signal into 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 pass through a pair of crystal filters at the next stage of the mixer CHANNEL 70 CIRCUIT The signals from the RF circuit are mixed with the 1st LO signals at the 1st mixer circuit D21 L48 L49 to produce a 21 7 MHz 1st IF signal The 1st IF signal is amplified at the 1st IF amplifiers Q8 Q9 and then passes through the pair of crystal bandpass filters 4 to suppress out of band signals The filtered signal is then amplified at the 2nd IF amplifier Q10 and is then applied to the 2nd mixer circuit 106 OTHE
93. eter with a 4 Q load to EXT SP receptacle Receiving This output level of a standard signal generator SSG is indicated as SSG s open circuit MAIN UNIT TOP VIEW L31 L32 RX sensitivity adjustment 133 for channel 70 111 L12 t gog O Pia 1 e L14 L15 SS RX sensitivity adjustment for other channels W QU 49 RX sensitivity check point SECTION 6 PARTS LIST 6 1 IC M602 SQL BOARD LOGIC BOARD ORDER ORDER E E masa 15 ac 7210002360 VARIABLE TP96N97 15F 10KB 1301 1140010584 S IC HD64F2633F25 FX2577A 4 1110005770 S IC S 80942CNMC es T2 1130007450 S IC RTC 4553A 1140009240 1 HN58X24128F Pl 1180002420 S IC S 818A33AUC BGN T2 0910055532 PCB B 5885B 1510000580 S TRANSISTOR 2SA1362 GR TE85R 1590000430 S TRANSISTOR DTC144EUA I 106 1590000430 S TRANSISTOR DTC144EUA I 106 1590000430 S TRANSISTOR DTC144EUA T106 1590000430 S TRANSISTOR DTC144EUA T106 1590000720 S TRANSISTOR DTA144EUA T106 1590000430 S TRANSISTOR DTC144EUA T106 1590000430 S TRANSISTOR DTC144EUA T106 1590000720 S TRANSISTOR DTA144EUA T106 1590000720 S TRANSISTOR DTA144EUA T106 1530002850 S TRANSISTOR 28C4116 BL TE85R 1530002850 S TRANSISTOR 28C4116 BL TE85R 1520000460 S TRANSISTOR 2581132 T100 R 7210003080 VARIABLE TP96N97 15F 10KA 2345 OPC 1186 B 5884B 1160000070 S DIODE DAN202K I 146 1750000150 S DIODE DA204K 1146 1
94. europe com Icom Spain S L Crta de Gracia a Manresa Km 14 750 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 Q9 icomspain com Icom UK Ltd 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 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 0 asia icom com lcom Polska Sopot 3 Maja 54 Poland Phone 48 58 550 7135 Fax 48 58 551 0484 E mail icompolska icompolska com pl Count on us Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13908HZ C2 Q 2002 2003 Icom Inc
95. ignals from the microphone ACC unit HM 127 are amplified at the microphone amplifier IC6a via the ana log switch connecting option1 jack IC16 pins 2 3 4 con necting option2 jack IC16 pins 4 9 10 as AF MIC1 or AF MIC2 signals A capacitor C77 and resistor R73 are connected to the microphone amplifier to obtain the pre emphasis characteristics The amplified signals are applied to the IDC amplifier IC8a pin 2 via the analog switch IC7 pins 2 3 9 and are then passed through the splatter filter IC8b to suppress unwant ed 3 kHz or higher signals The filtered signals are applied to the modulation circuit 4 2 2 MODULATION CIRCUIT MAIN UNIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signals The audio signals from the splatter filter IC8b are passed through the D A converter IC IC15 pins11 12 and are then applied to the modulation circuit The applied signals change the reactance of the varactor diode D37 and modulate the oscillated signal at the TX VCO Q18 4 2 3 PRE DRIVE AND YGR AMPLIFIERS CIRCUIT MAIN UNIT The drive amplifier circuit amplifies the VCO oscillating sig nal to a level needed at the power amplifier The output signal from VCO circuit is amplified at the buffer amplifiers Q19 and Q27 and is applied to the TX RX switch D43 The transmit signal from the TX RX switch is amplified at the pre drive Q28 and YGR
96. ng Outputs RX muting signal RMUTE High While RX signal is muting Outputs transmit mute signal TMUTE High While TX muting SEND Outputs T8 regulator control signal High While transmitting Output port for RF output power High or Low select signal Low While Low power is selected IC port for the data signals to the EEPROM IC4 pin 5 I O port for the communicating signal Output RX attenuator control signals 1 1 WXDEC Input port for the weather alert signal Input port for the FM IF IC MAIN unit 104 SQL IC1 pin 14 s noise amplifier detecting signal Port gt Input port the low battery detecting signal Low battery indicator appears 105 BERT when the battery becomes less than 2 58 V 106 TXDET Input port for transmit detecting signal port Input port for transmit detecting signal detecting signal Input port for the indide temperature ES detecting signal 111 114 DIAL1 Input ports for the dial data signals i DIALA Input port for the HM 136 s PTT button 115 PTT detecting signal Low While PTT button is pushed Input port for the microphone hanger HANG detecting signal Low The microphone on hook M7 DSC Outputs ATIS DSC encode signals Outputs the voice scramber unit ES SCON UT 112 control signal Outputs a strobe signal to the voice EN OPSTE scrambler unit UT 112 Outputs a strobe signal to the PLL IC DASTB MAIN unit I
97. nit Q35 Q36 using the SEND signal from main CPU The output voltage is applied to the pre dirve MAIN unit Q28 YGR amplifier MAIN unit APC controller MAIN unit IC14 etc Receive 8 V controlled bv the R8 control circuit AF unit Q1 Q2 using the RCV signal from H8 main CPU The controlled voltage is applied to the bandpass filter AF unit Q11 Q12 buffer and IF amplifiers AF unit Q2 and Q23 etc 4 7 PORT ALLOCATIONS 4 7 1 EXPANDER IC AF unit IC18 Outputs HM 127 2 control signal High While transmitting via the HM 127 2 Outputs HM 127 1 control signal High While transmitting via the HM 127 1 Outputs HM 127 2 control signal High While receiving via the HM 127 2 Outputs HM 127 1 control signal High While receiving via the HM 127 1 Outputs the internal soeaker FRONT unit SP1 control signal High The speaker is activating Outputs beep audio level control sig nal Low Beep audio level is maximum Outputs the R8 regulator AF unit Q1 02 control signal High While receiving Outputs the Hailer speaker TX RX select signal High While transmitting via the Hailer speaker 4 7 2 EXPANDER IC AF unit IC17 Port T name Den Outputs scrambler unit bypass control 4 STRU signal High Bypassing the scrambler unit Outputs sound signals to the HM 127 TRYB High Sounding from HM 127 Outputs voice signals from IC M602 to INCMH HM
98. ns a prescaler programmable counter programmable divider phase detector charge pomp and etc The PLL circuit using a one chip PLL IC IC 12 directly gen erates the transmit frequency and receive 1st IF frequency with VCOs The PLL IC sets the divided ratio based on ser ial data from the main CPU and compares the phases of VCO signals with the reference oscillator frequency The PLL IC detects the out of step phase and outputs from pins 8 13 for TX and RX respectively The reference fre quency 15 3 MHz is oscillated at the reference oscillator 4 APC CIRCUIT RF signal Q28 Q30 from PLL Pre Power module drive IC14 APC control circuit Pose a eee 4 3 2 TX AND CHANNEL 70 RX LOOPS The generated signal at the TX VCO CHANNEL 70 VCO 018 039 D40 enters the PLL IC 2 2 and is divid ed 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 R217 R219 C247 C249 C278 and is then applied to the varactor diodes D39 D40 of the TX VCO to stabilize the oscillated frequency 4 3 3 OTHER CHANNELS RX LOOP The generated signal at the RX VCO 012 032 033 enters the PLL IC 2
99. pin 19 and is divided at the pro grammable 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 13 The pulse type signal is converted into DC voltage lock voltage at the loop filter R182 R213 R214 C225 C248 and is then applied to the varactor diodes D32 D33 of the RX VCO to stabilize the oscillated frequency The lock volt age from the loop filter is amplified at the buffer amplifier Q23 and is then applied to the RF circuit to antenna RF detector Circuit TXDET signal to the CPU LOGIC board IC1 pin 106 O H L TMUTE signal from the CPU LOGIC board IC1 pin 93 PP LL o PCON signal from the D A convertor IC15 pin 14 4 3 4 VCO CIRCUIT MAIN UNIT TX VCO CHANNEL 70 VCO RX CIRCUITS The VCO outputs TX VCO CHANNEL 70 VCO 018 are amplified at the buffer amplifiers Q19 and Q27 and are applied to the TX RX switch circuit D42 D43 The receiver LO signal is applied to the 1st mixer circuit for CHANNEL 70 D21 L48 L49 passing through a low pass filter L51 L52 150 152 and the transmitter signal is applied to the pre drive amplifier Q28 A portion of the VCO output signal is re applied to the PLL IC 2 pin 2 via the buffer amplifier Q15 e OTHER CHANNELS VCO RX CIRCUITS The VCO outputs
100. r A D converter programmable ROM and RAM e SYSTEM CLOCK CIRCUIT X1 is a crystal oscillator which oscillates 9 8304 MHz sys tem clock for the main CPU IC1 RESET CIRCUIT IC2 is a reset IC which outputs a reset signal LOW pulse to main CPU IC1 pin 79 when turning transceiver power ON Buffer D42 to 1st mixer circuit D43 to transmitter circuit Buffer 2 PLL IC Z 3 PSTB Shift register _ z 2 5 convertor to VCO circuit 4 6 POWER SUPPLY CIRCUITS 4 6 1 VOLTAGE LINE MAIN UNIT LINE DESCRIPTION 13 8 The 13 8 V from the connected DC power sup HV Same voltage as the HV line which is passed through the PWR switch LOGIC unit 1 Same voltage as the HVS line which is passed ae through the power controller AF unit RL1 Same voltage as the 13 8 V line and is applied VCC to the AF power amplifiers AF unit IC3 IC10 LOGIC unit etc Common 8 V converted from the VCC line at the 8V regulator circuit AF unit IC1 The output 8V voltage is applied to the T8 controller MAIN unit Q36 Q36 5 regulator AF unit IC2 R8 regu lator AF unit Q1 Q2 etc Common 5 V converted from the 8V line at the 5 regulator circuit AF unit IC2 The output 5V voltage is applied to the buffer amplifiers AF unit 19 Q14 expander ICs AF unit IC17 IC 18 etc Transmit 8 V controlled by the T8 control circuit MAIN u
101. s Adjacent channel power e Residual modulation e Audio harmonic distortion e Audio frequency response Microphone impedance Less than 70 dBc More than 70 dB More than 40 dB Less than 10 at 60 deviation 1 dB to 3 dB of 6 dB octave from 300 Hz to 3000 Hz 2 RECEIVER Receive system Double conversion superheterodyne system e Intermediate frequencies 151 21 7 2 31 05 MHz 2nd 450 kHz Sensitivity Squelch sensitivity e Adjacent channel selectivity e Spurious response e Intermodulation rejection ratio e Hum and noise e Audio output power at 13 8 V DC e Audio frequency responce e GPS interface Less than 10 dBu at 12 dB SINAD Less than 10 dBu at threshhold More than 80 dB More than 80 dB more than 80 dB More than 40 dB 5 0 W at 10 distortion with a 4 Q load 1 dB to 3 dB of 6 dB octave from 300 Hz to 3000 Hz 0183 Ver 2 0 or 3 01 Channel 70 only For other channels Specifications are measured in accordance with TIA EIA 603 All stated specifications are subject to change without notice or obligation M VHF MARINE CHANNEL LIST USA INT Transmit Receive USA INT Transmit Receive USA INT Transmit Receive _ 01 01 156050 160 650 21A 21A 157 050 157 050 156 525 156 525 oral 185050 iseoso 28 16165 156575 158575 02 02 1
102. t J6 1 d 151 m E A a 9 2 SQL BOARD wg ee E Jo lt gt O I to AF 525522296 5 ez lt E 0 lt O lt gt Z 22825295988 EIC ZZ 2 to AF unit J4 20 AE Lic 3 SQLG OO SQLV OO 1 SQL5V lt BOTTOM VIEW CONNECT UNIT E to LOGIC LC board J7 COMMAND COMMAND 1 MIC2 9 3 DIAL BOARD P I 1 ON J1 1 DIAL1 DIAL2 DIAL3 DIAL4 43 5 GND 12 to LOGIC board J7 L J Zee CL EE aa 9 5 LOGIC BOARD TOP VIEW H L 0522 CD CH WX 0525 NO CLR 7 5 POWER 8 6 9 F B DISTRESS

IC-M602 Service manual - R

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