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IC-V85/V85E/V85-T SERVICE MANUAL

1. dtp Seb UNR921NJ Marking 6A B XP1501 Marking 5R B1 E B2 XP4601 Marking 5H E1 B1 C2 KP6501 Marking 5H E2 B2 B1 SECTION 9 BOARD LAYOUTS LOGIC UNIT VIEW The combination of this side and the bottom side shows 1 J6 co the board layout in the same configuration as the actual 2 5 11 Board H SP1 5515 MICG 27 UNIT VIEW 7 nnn HEIN N 0 5 alli To J7 LOGIC UNIT MEA EN DI NN SEE CU LAN JER 8 81 K poy EER 16 LOGIC UNIT VIEW it J5 oPsck O OPA 06A 1 S8A 08A 1 SLA OLA S9A 09A SSA OSA STA SEN H HSW DETO DETO
2. 444 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ D 00 00 00 00 4 40000000000000000 6 1 LOGIC UNIT LOGIC UNIT ORDER HIV ORDER HIV NO DESCRIPTION LOCATION NO DESCRIPTION LOCATION 4030017460 ECJ0EB1E102K 33 9 39 6510021901 BM02B ASRS TF LF SN 41 8 84 6 4030017460 ECJ0EB1E102K 34 4 37 8 6510023521 54104 3696 3692 19 6 8 2 4030017460 ECJ0EB1E102K 36 9 37 6 4030016790 ECJ0EB1C103K 3 6 14 5 4030017760 ECJOEB1H222K 2 9 16 2 5010000160 LNJ310M6URA 4030018110 ECJOEB1H272K 4 15 7 5010000160 LNJ310M6URA 4030016930 ECJOEB1A104K 8 3 15 5040003280 RY SP192UYG24 5M 4550002960 TEESVA 1C 155M8R 4 2 30 5 5030002970 10996 4030016790 ECJOEB1C103K 10 9 17 8 5040003280 RY SP192UYG24 5M 4030018240 ECJOEB1E562K 4 5 26 5040003280 RY SP192UYG24 5M 4030017710 ECJOEC1H181J 3 3 25 5 5040003280 RY SP192UYG24 5M 4030017450 ECJOEB1E271K 7 5 25 5 5040003280 RY SP192UYG24 5M 4030017040 ECJOEB1A333K 10 1 25 3 5040003280 RY SP192UYG24 5M 4030018860 ECJOEBOJ105K 44 76 4 4030017460 ECJOEB1E102K 43 4 28 3 4510009000 EEE1AA330WR 35 7341 7700002710 EM6027P 46C33 G 4030016950 ECJOEB1A473K 10 7 69 8 4030017490 C1608 JB 1A 105 42 84 8 4550006250 TEESVA 106M8R 21 9 68 2 2260002840 SKHLLFA010 4030016950 ECJOEB1A473K 34 9 68 8 7600000210 TP70N00E20 15F 1903 4510009530 10 CE 150 BSS 37 9 58 8 2260002840 SKHLLFA010 4550006220 TEESVA 0J 156M8R 10 4 72 3 4030016790 ECJ0EB1C103K 9 4 2 4 4030017460 ECJ0EB1E102K 8 3 68 4
3. 3004 0 0 4 1730002300 5 MA8082 M TX 1790001250 S DIO 25111 1790000980 S DIO 742 TX 1790000950 2 8056 TX 1750000940 S DIO 155400 61 1750000940 S DIO 155400 TE61 1750000940 S DIO 155400 TE61 1750000940 S DIO 155400 61 1750000940 S DIO 155400 TE61 1750000940 S DIO 155400 61 1750000940 S DIO 155400 61 except USA 2 only 1750000940 S DIO 155400 TE61 THA EXP 2 3 only 1750000940 S DIO 155400 61 EUR ah qe 2 3 UK only 1750000940 S DIO 155400 p 2 3 KOR only 1750000771 HVC376BTRF E 1750000940 13 00 155400 TE61 except USA USA 2 EXP 2 3 only 1750000940 S DIO 155400 1 EUR 1 USA 2 UK KOR only 1750000940 S DIO 155400 TE61 TPE THA KOR TPE 2 only 1750000940 S DIO 155400 TE61 THA EXP 2 3 only 1750000940 S DIO 155400 61 except EXP 2 3 THA only 0 UU 7030005090 S ERJ2GEJ 104 X 33 1 41 8 7030005050 S ERJ2GEJ 103 X 34 1 9 5 6050012470 5 CR 836 FTX9 8304M16SM 42 4 44 3 7030005240 S ERJ2GEJ 473 X 34 8 7 3 7030005000 S ERJ2GEJ 471 X 3 6 27 8 7030005090 S ERJ2GEJ 104 X 34 7 45 8 62 8 7030004980 S ERJ2GEJ 101 X 6 2 15 4 8 63 7 7030005240 S ERJ2GEJ 473 X 32 2 42 1 33 4 39 9 7030005050 S ERJ2GEJ 103 X 34 1 10 4 8 64 6 7030005050 S ERJ2GEJ 103 X 34 1 11 3 8 1 65 5 70300
4. IC12 057 1501 185400 p39 22 MSVB2 10 MSVA E 28B1132 Q55 Q56 UNR9213J LMV3241PW NTCG16 PLLDATA PLLSTB NC NC VIN RIPPLE TA7368FG 10 MMZ1608Y121BT gt 10 MSVA TC38 108 01 EP8 1 MMZ1005Y102CT FO MMZ1608Y121BT 742 027 221 77 UNR9210J R174 15K CLIN He 74 73 72 71 0 4 69 68 i 65 64 6 6 59 58 57 56 5 5 5 5 5 5 4 3 2 1 BD5242G NC VSS VDD CD OUT IC21 MA2S111 3 Al A2 vss WP SCL SDA S 24CS64A0 I P12 D10 P11 D9 P10 D8 7 07 07 6 06 6 0 5 05 5 P04 AN04 D4 P03 AN03 D3 P02 AN02 D2 01 01 1 P00 ANO00 DO 107 7 106 6 2 105 1 104 103 P102 AN2 P101 AN1 AVSS P100 ANO VREF AVCC P97 ADTRG SIN4 P96 ANEX1 SOUT4 P95 ANEX0 CLK4 P15 D137INT P16 D14 INT 1
5. 1 2 3 4 5 756 HVC376B 0 CSHIFT LIGHTON 7 00V 2SB1132 92 28 4211 LNJ310M6URA RY SP192UYG24 Y pss LIGHTON 4 97 LIGHTOFF 0 00V UNR9213J CSHIFT UP O DN o l TP70N00E2015F 6 7 11 12 13 15 7 18 20 21 22 23 24 25 MONISW D40 IC22 LC75834W SEG25 S2 S3 S4 S5 S6 24 SEG24 s7 23 SEG23 ss 22 SEG22 59 21 SEG21 510 20 SEG20 511 19 SEG19 S12 18 SEG18 S13 17 SEG17 S14 16 SEG16 515 15 SEG15 816 14 SEG14 517 13 SEG13 518 155400 BANDA 3 D41 185400 BAND3 D42 185400 BAND2 ay 5 185400 BAND1 SKHLLFA010 5 D44 185400 519 520 821 822 823 824 825 2 PLLSTB PLPS PLLDATA PLLCK LVIN PLLSW lt COMMON LINE lt 4 RX LINE TX LINE LNJ310M6URA 11 1 R
6. 10 C to 60 14 F to 140 F 2 5 ppm 107 to 60 14 F to 140 F Specified Icom s battery pack or 11 0 V 15 external DC power 80 mA standby 30 mA power save 250 mA max audio 2 6 A at 7 W 2 0 A at 4 W 1 0 A at 0 5 W Transmitting 56 W x110 H x34 4 D mm 2 7 32 W x4 11 22 H x1 11 82 D in with BP 227 310 g 12 5 oz with BP 227 and antenna 165 g 5 8 oz without battery pack and antenna 5 5 W High 4 W Middle 0 5 W Low Thailand 7 W High 4 W Middle 0 5 W Low Others Variable reactance frequency modulation x5 0 kHz Less than 60 dBc 3 conductor 2 5 d mm 1 107 2 2 Double conversion superheterodyne 1st 46 35 MHz 2nd 450 kHz Less than 0 2 pV at 12 dB SINAD Less than 0 16 uV at threshold More than 55 dB More than 60 dB More than 55 dB More than 0 3 W 10 distortion with 8 Q load 3 conductor 3 5 d mm 1 8 8 All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS LOGIC UNIT REGULATOR IC12 S 812C50AMC AF POWER AMPLIFIER 1223 TA7368F LCD DRIVER 1222 LC75834W X2 CR 836 CPU IC8 M30620 RF UNIT TOP VIEW RF UNIT BOTTOM VIEW Q4 HAT1026 Power amp Q1 RD12MVS1 Drive amp Q2 RDO1MUS1 VCO IC19 MB15E03SL X3 JTBM450CX24 PLL IC Descriminator SECTION3 DISASSEMBLY INSTRU
7. 1717 1 2717 SOS DESCRIPTION 5030002970 510996 7700002710 EM6027P 46C33 G 2260002840 SKHLLFAO10 7600000210 70 00 2015 1903 2260002840 SKHLLFAO10 2510000840 CS028014 12 8900016360 OPC 1190A 8900016400 1715 8930071440 SRCN 2964 SP N W 8210023420 2964 REFLECTOR 8930071210 2964 LCD HOLDER 8510018220 2964 LOGIC SHIELD Screw abbreviations A BO BT Self tapping Pan head ZK Black NI ZU Nickel Zinc SUS Stainless 7 1 MP28 C MP9 R gt RFUNIT gt gt LOGIC UNIT 26 SECTION8 SEMICONDUCTOR INFORMATION TRANSISTERS FETs 28A1576A Marking FQ e 2504211 Marking LY e 2SK1069 Marking FJ e RD12MVS1 Marking RD12M e 28A1588 Marking ZY e 2504617 Marking BR e 3SK318YB Marking YB G1 e UNR9113J Marking 6A e 2581132 Marking BA e 2SC5006 Marking 24 e DTC144EUA Marking
8. SEA OCA STA S PSVCO x 15 MODIN VCC W D TSC V NIVIN 01 RF UNIT BOTTOM VIEW The combination of this side and the bottom side shows the board layout in the same configuration as the actual P C Board e e ome CI 12 115 51 TS SSA OSA STA StA 4444 4 SEN STA SECTION 10 BLOCK DIAGRAM RF UNIT IC25 EW 460 Swsv D73 MA2S111 064 155400 082 0 144 0 1 24 5 812 36 071 155400 LA UNLOCK 034 25 1069 N DET Rx 182 350 220 350MHz DC AMP Tx 136 000 174 000MHz D3 1SV271 D1 HVU131 TEET D CMA28077 02 01 32 742 D2 MA77 Tx Rx 136 000 174 000MHz 15 3MHz MB15E03SL 083 25 4617 28 5085 RD01MUS1 RD12MVS1 D33 MA742 D8 MA77 TX RX PWR ANT 01 SW s J1 HEC2711 01 020 D5 189400 59 25304 md D60 MA2S304 D61 1SV286 AN gt DETECT 076 25 5231 gt HV D14 MA133 VCO 015 25111 SHIFT D16 SB07 03C 010 25 4617 D58 MA28077 1 018 25 1588 Q77 UNR921NJ der 019 25 1201 7 Q9 UNR9213 075 25 5231 074 25 5231 CTRL
9. D6 RBOGOL D7 MA28728 081 28 4116 1 20 5 74 1666 95 28 5006 04 1026 l st LO 2 nd LO D11 HVC350B DETECT 45 90MHz D63 DA221 FI1 FL 393 D65 HVC350B D72 188400 D12 HVC350B D9 HVC375B IC2 TA31136FN 13 158400 LIMIT LIMIT IC10 5 8 lt M62363FP IF DET IC Q13 2nd MIX IF AMP 014 25 5006 3SK318 012 3SK318 NOISE AMP FMDET 46 350MHz RSSI SOLSW IC10 3 8 M62363FP LTWC450E VOLOUT D A X3 JTBM450CX24 IC26 1 2 LMV358IPW SW5V PS5V R5V LOGIC UNIT A 054 021 28 1576 28 1576 VCO5 022 Q11 2SA1576 XP4601 IC12 S 812C50AMC 2SB1132 CPU5 XP1501 PS5V REG 155400 REG UN9213J RF UNIT LOGIC UNIT Optional unit 1 2 CDA066BPWR 053 D Her 4601 IC3B 1 4 LMV324IPW Q14 2SB1132 Q15 2SB1132 016 6501 06 25 4617 D8 MA8082 D10 MA2S111 Q38 UNR9213J D56 HVC376B MC1 EM6027P CTCSS SW CSHIFT CLOCK V SHIFT IC3D 1 4 LMV324IPW PTT PTT 107 S3
10. 7 34 5 7030005120 S ERJ2GEJ 102 X 2 7 40 5 7030005110 5 ERJ2GEJ 224 X 5 6 39 8 7030005120 S ERJ2GEJ 102 X 5 1 34 5 7030005220 S ERJ2GEJ 223 X 3 3 34 5 7030005220 S ERJ2GEJ 223 X 42 5 3 7 7030005220 S ERJ2GEJ 223 X 31 6 10 4 7030004980 S ERJ2GEJ 101 X 31 6 7 7 7030005220 S ERJ2GEJ 223 X 31 6 9 5 7030007270 S ERJ2GEJ 151 X 31 6 34 6 7030004970 S ERJ2GEJ 470 X 4 32 5 36 6 7030004980 S ERJ2GEJ 101 X x x x x k k k k k k k 2 2 56 1 5 47 4 1 2 1 4 1 470 7k 5k 7 k 80 k 7k 00 k 70 k 0100 0 4 40 4 403030300 40 000000 4 10 40030000000000 4 5 000000 7030003670 S ERJ3GEYJ 823 V 82 k 7030005090 S ERJ2GEJ 104 X 100 k 7030003240 S ERJ3GEYJ 220 V 22 7030004990 S ERJ2GEJ 221 X 220 7030010020 S ERJ2RKF 154 X 150 k 7030010010 S ERJ2RKF 334 X 7030007260 S ERJ2GEJ 330 X 7030007300 S ERJ2GEJ 332 X 7030007300 S ERJ2GEJ 332 X 7030007260 S ERJ2GEJ 330 X 7030005040 S ERJ2GEJ 472 X 7030005300 S ERJ2GEJ 150 X 7030005220 S ERJ2GEJ 223 X 7030007290 S ERJ2GEJ 222 X x x x x x x 2227 io 0 2 O M a fo 7030005120 S ERJ2GEJ 102 7030005000 S ERJ2GEJ 471 7030005120 S ERJ2GEJ 102 7030005580 S ERJ2GEJ 560 7030008400 S ERJ2GEJ 182 7030010010 S ERJ2RKF 334 7030010020 S ERJ2RKF 154 X 7030000170 S MCR10EZHJ 18 180 7030005090 S ERJ2GEJ 104 X
11. 100 k 7030000160 S MCR10EZHJ 15 7030003400 5 ERJ3GEYJ 471 V 470 7030008280 S ERJ2GEJ 271 X 270 7030000190 S MCR10EZHJ 27 270 7030000190 S MCR10EZHJ 27 270 7030000010 S MCR10EZHJ JPW 000 7030005050 S ERJ2GEJ 103 X 10 k 7030010040 S ERJ2GEJ JPW 7030005700 S ERJ2GEJ 274 X 270 k 7030005090 S ERJ2GEJ 104 X 100 k 7030005050 S ERJ2GEJ 103 X 10 k 7030008300 S ERJ2GEJ 184 X 180 k 7030005110 ERJ2GEJ 224 X 220 7030004980 ERJ2GEJ 101 X 100 7030005530 ERJ2GEJ 100 X 10 7030005110 ERJ2GEJ 224 X 220 7030005110 ERJ2GEJ 224 X 220 7030005040 ERJ2GEJ 472 X 4 7 7030004980 ERJ2GEJ 101 X 100 1 oo oo 2 k 12 4 18 6 12 7 21 5 28 8 30 9 37 8 21 3 12 8 10 1 14 1 16 6 14 1 14 8 14 1 13 9 32 8 33 14 1 15 7 7 9 4 3 24 8 30 4 8 3 4 31 9 24 6 30 26 2 15 7 15 7 3 8 18 5 2 17 8 19 9 21 3 27 7 17 2 35 5 35 2 32 4 36 6 18 8 50 2 lt O k 1 1 2 1 2 2 2 1 2 1 2 100 120 k 100 k 10 k 100 k 70 k 32 8 31 4 7030005310 S ERJ2GEJ 124 40 4 33 7 7030005090 S ERJ2GEJ 104 31 6 34 2 7030005050 S ERJ2GEJ 103 28 1 29 4 7030005090 S ERJ2GEJ 104 36 6 28 7030005170 S ERJ2GEJ 474 X 4 36 6 23 5 7030005050 S ERJ2GEJ 103 X 10 k 32 6 16 8 7030005050 S ERJ2GEJ 103 X 10 k 33 19 1 7030003860 S ER
12. IC26 Reset IC IC21 Tessc tone amp 1226 etc EEPROM IC7 etc 74 73 58 69 Voltage 45 Control signal IC8 RF UNIT I 4 5 CPU PORT ALLOCATION Pin Name TONE signals DTMF BEEP 1750Hz Strobe signal to the D A converter CTCSS Tone signals CTCSS DTCSS T5 line control signal to the T5 regulator aron AF power amplifier control signal Low While transmitting High While the AF poer amp is activated Transmit mute signal to the TX switch AF line mute signal to the AF switch Low While TX muting Low While muting PLL unlock signal CSHIFT Clock frequency shift control signal to the PIE is unlocked clock oscillator PLLSTB Strobe signal to the PLL IC CPU reset signal PLL IC power save mode switching signal RESET Low CPU Low While in power save Bde i PWR Key PLLDATA Data signal to the PLL IC Low When the key is pushed Clock signal to the PLL IC NOIS signal PLL loop filter characteristic toggle signal DCC Eexternal power supply connection detect High While the PLL is kicked up Low Powered by external DC i y VCO regulator control signal HOUT Power supply detect Low While Vco is activated Low Powered by battery Charger circuit High control signal PTT Input signal from PTT key High While charging High While the key is pushed Charger circuit control signal KRO_KR3 Input signal from Key pads High
13. While charging Low When the key is pushed Power save line control signal to the PS5V LEDC Backlight control signal to the LED driver regulator DISDA Serial data to the LCD driver Low While power save mode DISST Chip enable signal to the LCD driver External MIC key A D input DISCK Serial clock signal to the LCD driver High While the key is pushed DISEN Disable signal to the LCD driver Data signal to the attached optional unit DICK Clock signal to the EEPROM Pulse signal from CONTROL DIAL Scramble unit detection signal DIUD MONI ke Low DTMF unit is attached MONISW i Cn SWR the key is pushed Optional unit attachement detection signal Low DTMF unit is attached PWRON Control signal to the power regulator DTMF unit detection signal KS0 KS4 Input signal from Key pads Low DTMF unit is attached Low When the key is pushed External power supply s voltage detection MICS filter switching signal P 9 Lock voltage MIC line mute signal to the AF switch MMUTE low While muting SD signal RSSI signal DADATA Data signal to the D A converter Remining battery voltage detection signal to the D A converter DTCS and CTCSS signals Description Description RMUTE PWRSW SECTION 5 ADJUSTMENT PR
14. for audio level adjustment The D A converter is a level controller IC which adjusts AF signal level according to the control signals DATA STROBE from the CPU IC8 The level adjusted AF signals are then applied to the AF power amplifier IC23 pin 4 to be amplified to obtain rated audio output power The power amplified AF signals are output from pin 10 and then drive internal or external speaker 24 D A converter 10 Limiter Quadrature amp 23 detector Demodulated signals to the LOGIC UNIT 2nd F filter IF IC IC2 16 From the 1st IF amplifier Q14 NOIS signal to the CPU LOGIC UNIT IC8 pin 17 gt SD signal to the CPU LOGIC UNIT IC8 90 SQUELCH CIRCUIT RF AND LOGIC UNITS NOISE SQUELCH The noise squelch mutes the AF output when no RF signals are received By detecting noise components around 30 kHz signals in the demodulated AF signals the squelch circuit toggles the mute switch and AF power amplifier ON and OFF A portion of the AF signals from the IF IC RF UNIT IC2 pin 9 are passed through the D A converter RF UNIT IC10 pins 23 24 for level adjustment The level adjusted AF signals are applied to the noise filter section RF UNIT 2 pins 7 8 R86 R88 C121 C122 which allows only noise components to pass The filtere
15. 4 41 8 76 8 7030005090 S ERJ2GEJ 104 6 3 26 8 1 70 2 7030005090 S ERJ2GEJ 104 32 7 7 8 7 7 4 3 7030005170 S ERJ2GEJ 474 9 1 32 3 41 8 62 2 7030007350 S ERJ2GEJ 393 2 4 32 6 27 7 47 6 7030005050 S ERJ2GEJ 103 10 32 3 8 44 2 7030007340 S ERJ2GEJ 153 41 8 63 6 5 2 10 4 7030008410 S ERJ2GEJ 392 X 2 4 14 1 5 4 84 7 7030005120 S ERJ2GEJ 102 X 6 4 14 1 10 5 77 6 7030005110 5 ERJ2GEJ 224 X 7 5 28 9 8 1 80 3 7030010080 S ERJ2RHD 104 X 100 k 12 5 44 3 7510001661 S NTCG16 4LH 473JT 11 5 44 7030005720 S ERJ2GEJ 563 X 56 k 30 2 61 5 37 4 33 9 7030005720 S ERJ2GEJ 563 X 56 k 28 4 61 5 37 3 31 7030005720 S ERJ2GEJ 563 X 56 k 27 5 61 5 42 3 65 5 7030005120 S ERJ2GEJ 102 X 1 k 26 6 61 5 10 5 68 4 7030007350 S ERJ2GEJ 393 X 39 k 24 3 48 8 2 78 2 7030005090 S ERJ2GEJ 104 X 9 7 36 5 24 6 20 1 7030008410 S ERJ2GEJ 392 X 3 9 26 1 47 3 34 8 27 7030005050 S ERJ2GEJ 103 X 10 6 36 5 34 1 21 1 7030005120 S ERJ2GEJ 102 X 32 3 40 5 26 5 15 5 7030005090 S ERJ2GEJ 104 X 34 4 30 35 4 6 2 7030005050 5 ERJ2GEJ 103 29 2 44 8 7030005050 5 ERJ2GEJ 103 11 21 9 39 6 27 5 7030005240 5 ERJ2GEJ 473 X 7 8 2 4 7030007340 5 ERJ2GEJ 153 X 4 5 27 8 38 4 27 5 7030005070 S ERJ2GEJ 683 7 9 41 6 7030005070 S ERJ2GEJ 683 X 6 1 43 8 37 2 27 5 7030007340 5 ERJ2GEJ 153 X 6 1 45 4 7030005050 5 ERJ2GEJ 103 X 8 46 4 36 27 5 7030005050 S ERJ2GEJ 103 X 7 1 46
16. 42 6 2010002670 S FL 393 46 350 MHz 20 6 22 7030005220 S ERJ2GEJ 223 X 22 k 30 6 44 7 2020002450 5 LTWC450E lt JJE gt 9 2 35 3 7030007290 S ERJ2GEJ 222 X 2 2 k 29 45 3 7030005050 S ERJ2GEJ 103 X 10 k 6 4 18 9 7030005120 S ERJ2GEJ 102 X 1 k 5 5 22 4 6070000300 S JTBM450CX24 lt JJE gt T 13 5 26 9 7030005240 S ERJ2GEJ 473 X 47 7 3 20 5 6050011940 S CR 783 15 3 MHz 11 5 1 7030005090 5 ERJ2GEJ 104 X 10 32 9 28 2 7030008410 S ERJ2GEJ 392 X 30 9 36 4 7030005240 S ERJ2GEJ 473 X 35 7 33 2 39 1 48 7030005090 S ERJ2GEJ 104 X 14 9 24 8 35 7 48 6 7030005230 S ERJ2GEJ 334 X 30 34 6 32 3 46 1 7030005310 S ERJ2GEJ 124 X 36 32 16 1 41 1 7030008300 S ERJ2GEJ 184 X 1 33 2 33 2 2 2 1 1 47 k 100 k 3 9 47 k 6200012910 S 0 35 1 6 8TL 45 5N 1 6200012470 5 0 30 1 7 7TL 45 3N 3 6200012470 S 0 30 1 7 7TL 45 3N 1 6200012880 S 0 30 1 3 6TL 24 5N 6200007710 S LQW2BHN27NJ03L 6200005451 S LL1608 FSL68NJ 6200012910 S 0 35 1 6 8TL 45 5N 6200010000 S C2012C 56NG A 6200009930 S C2012C 68NG A 6200009890 S C2012C 82NG A 6200003271 S NLV25T R56J 6200004870 S ELJFC 2R7K F 6200003590 S EXCCL3225U1 6200009531 S ELJRE R15GFA 6200012570 5 0 26 1 0 3TL 6 8N 6200006991 5 ELJRE 56NGFA 6200007871 5 ELJRF 39NJFB 6200009351 S ELJRE R22GFA 6200011031 5 ELJRF R10JFB 6200011001 5 ELJRF 56NJFB 6200007001 S ELJ
17. 5 4 4 27 8 41 7 26 3 46 5 35 6 11 8 1 3 14 6 1 3 7 7 3 4 14 6 2 8 18 1 11 2 12 2 27 2 23 5 15 1 22 9 10 4 19 9 9 4 9 6 13 9 19 3 14 3 20 5 7 11 10 3 21 6 8 8 22 2 15 22 12 7 20 5 10 4 16 3 32 30 4 27 9 31 33 8 28 2 33 8 25 33 8 23 4 35 22 4 40 21 3 36 6 21 12 4 8 7 27 5 46 5 29 3 17 2 29 38 2 39 2 36 19 7 12 8 16 1 15 2 8 2 10 31 6 12 2 31 6 11 3 30 9 18 1 32 3 48 6 29 7 40 5 32 4 23 4 31 23 7 3 1 30 2 24 8 15 6 36 4 9 4 37 4 9 4 39 6 8 6 23 2 1 6 22 3 2 21 4 2 20 5 2 19 6 2 18 7 2 17 8 2 13 8 2 12 9 2 12 2 32 28 1 29 3 27 8 27 25 2 33 8 35 2 UJ 0200444444444 44 4 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 44440 4 DQ DJ UJ UD 444444 D UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UO U2 UD U2 UD D 9 404 17 6 6 3 34 9 6 8 37 5 8 M Mounted side T Mounted on the Top side B Mounted on the Bottom side 6 4 S Surface mount SECTION7 MECHANICAL PARTS AND DISASSEMBLY CHASSIS PARTS RF UNIT ORDER ORDER NO NO 6450000870 HEC2711 01 020 6510023521 54104 3696 6510025910 BNC R169 DESCRIPTION DESCRIPTION 8010020620 2964 CHASSIS 8210023390 2964 T FRONT PANEL incl MP4 5 6 7 12 14 24 Except THA 8210023470 2964 T FRONT PANEL A incl MP4 5 6 7 12 14 24 8510018120 2964 VCO CASE 8950005512 2403 CONTACT SPRING 2 8410002650 2964 PA HEATSINK 8510016120 2721 VCO COVER 8930072060 Shield sponge
18. 510 gt 65 00 a o UNR921NJ E 5 09d zrozo 00 SHT LEPA C461 7 4 SN74AHC1G66HDBV3 2507 077 00 0 pela 5 EL5D 1 R k VAS 2270 M d 0 611 at R 169 007551 V Occ HOSEDOAH sod 0 LST 4049 C504 C503 ac 013 3SK318 M62363FP TL 5 Youd MSTId XP4601 1 WASW 052 02454 aistia viaa azz 053 acc on 8 sa ONV9tOCI8 S L8VH Berd R 68vu 014 2865006 JTBM450CX24 77 25 4116 MB15E03SLPFV1 ost 5058 188400 23 1069 o 55 m 25 1576 OSCOUT MIXOUT FILOUT TA31136FNG WASW L 082 DTC144EU
19. 7 8 FI2 LTWC450E PLLSTB PLLDATA VCCBT 2 R602 3 2 1 Refer to PARTS LIST SAR 007551 te TX LINE lt COMMON LINE HS 1960 aL 1 9940 dLV Hs 8940 dLV 7 23 13 7 7 5 T Br in 7 7 aL T 44 17 du eso 54104 3696 11 2 BOARD LAYOUTS SECTION 12 UT 108 Optional Product TOP VIEW PARTS LIST MAIN UNIT ACCESSORY RDER 9 DESCRIPTION 3 DESCRIPTION 1130007561 S IC LC73881M TLM E 8930070290 SPONGE JC 1130007301 S IC TC4W66FU TE12L F 6050005090 CR 245 4 194304 MHz 6200001260 MLF2012A 1R8M T 7030005120 ERJ2GEJ 102 X 1 k 7030005120 ERJ2GEJ 102 X 1 k 7030005090 ERJ2GEJ 104 X 100 k 7030005120 ERJ2GEJ 102 X 1 k 7030005120 ERJ2GEJ 102 X 1 k 7030005120 ERJ2GEJ 102 X 1 k 7030005090 ERJ2GEJ 104 X 100 k 7030005090 ERJ2GEJ 104 X 100 k 7030007340 ERJ2GEJ 153 X 15 k 7030008410 ERJ2GEJ 392 X 3 9 k 4550006980 TEESVA2 1A 475M8R 4030017460 ECJOEB1E102K 4030017420 ECJOEC1H470J 4030016930 ECJOEB1A104K 4030016930 ECJOEB1A104K 4030016930 ECJOEB1A104K 4030016930 ECJOEB
20. 9 25 3 25 4 23 9 6 6 23 7 7 9 22 2 36 4 21 7 32 5 27 1 4 9 5 7 4 8 30 1 10 6 30 1 7 11 9 7 10 1 23 7 16 7 26 20 8 31 5 20 9 30 8 16 5 30 8 13 4 4030017340 4030017600 4030017460 4030017460 4030017420 4030017570 4030017530 4030017400 4030017340 4030017340 4030017460 4030017460 4030017360 4030017570 4030017420 4030017360 4030017360 4030007040 4030007050 4030017460 4030017460 4030007020 4030017460 4030017460 4030017460 4030006910 4030017460 4030007110 4030007010 4030011600 4550004040 4550000550 4550000530 4030017460 4030017460 4030017460 4030016790 4030017460 4030016930 4030017420 4030017730 4030017460 4030017500 4030017570 4030017460 4030016790 4030017380 4030017360 4030018860 4030017350 4030017340 4030017340 4030017430 4030017460 4030017350 4030017460 4030007120 4030017460 4030017460 4030007030 4030017460 4340000260 4030017460 4030018860 4030018860 4030017650 4030009510 4030009510 4030017460 4030017460 4030017420 4030017460 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017420 4030017460 4030017460 4030017460 4030017460 6450000870 6510023521 6510025910 6910014690 6910014640 ECJOEC1H010B ECJOEC1H080C ECJOEB1E102K ECJOEB1E102K ECJOEC1H470J ECJOEC1H040B ECJOEC1HOR5B ECJOEC1H220J ECJOEC1H010B ECJOEC1H010B ECJOEB1E102K ECJOEB1E102K ECJOEC1H030B ECJOEC1H040B E
21. HAT1026R EL E 4 9 44 2 1530003260 S 2SC5006 T1 7 5 47 6 1590003290 S UNR9213J TX 9 9 42 1530003630 S 2SC4617 TLS 18 4 45 7 1590001650 XP4601 TX 6 9 9 1580000790 3SK318YB TL E 12 5 76 9 1580000790 3SK318YB TL E 4 8 77 4 1530003260 S 25 5006 1 6 9 75 2 1510000671 5 2SA1588 GR TE85R F 10 1 80 2 1520000651 S 2SB1201S TL E 11 1 80 6 1510000510 2SA1576AT106R 10 9 75 8 1560000811 2SK1069 4 TL E 26 6 63 6 1590003230 S UNR9113J TX 21 5 66 1 1530003581 S 2SC5231C8 TL E 9 83 1530003581 S 2SC5231C8 TL E 42 1 20 1530003581 S 2SC5231C8 TL E 2 4 28 2 1590003300 S UNR921NJ TX 35 7 43 7 1530002851 S 2SC4116 BL TE85R F 30 9 41 8 1590000430 S DTC144EUA T106 30 3 41 9 8 34 4 1530003630 25 4617 TLS 19 3 44 4 15 8 43 1 1710000871 HVU131TRF E 15 2 42 5 1790000620 MA77 TX 19 7 47 1750000531 1SV271 TPH3 F 17 8 45 1 1790001260 MA2S077 TX 25 7 66 1 1750000940 ISS400 TE61 28 4 59 2 1750000540 RB060L 40 TE 25 10 8 38 1 1790001240 MA2S728 TX 12 39 3 1790000620 77 13 3 40 6 1750000721 HVC375BTRF E 27 5 63 1 1750000711 HVC350BTRF E 28 4 63 1 1750000711 HVC350BTRF E 29 3 61 5 1750000940 ISS400 TE61 28 3 3 2 1790000860 MA133 TX 24 8 3 2 1790001250 MA2S111 TX 21 8 3 2 1790000671 SB07 03C TB E 20 7 3 2 1790000980 MA742 TX 19 8 3 2 1790000980 MA742 TX 9 4 20 3 1790001260 MA2S077 TX 30 7 70 5 1720000730 MA2S30400L 11 2 27 4 1720000730 MA2S30400L 1720000651 1SV286 TPH3 F 645000
22. PORT ALLOCATIONS 4 4 ADJUSTMENT PROCEDURES PARTS LIST MECHANICAL PARTS AND DISASSEMBLY SEMICONDUCTOR INFORMATION BOARD LAYOUTS BLOCK DIAGRAM VOLTAGE DIAGRAM Fett m 11 1 REUNIT 11 2 UT 108 Optional product SECTION 1 SPECIFICATIONS GENERAL Frequency coverage Type of emission Number of memory channels Frequency resolution Antenna connector Operating temperature range Frequency stability Power supply requirement negative ground Current drain at 7 2 V DC approx Dimensions Projections not included Weight approx TRANSMITTER Output power at 7 2 V DC Modulation system Maximum frequency deviation Spurious emissions Microphone connector RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity Selectivity Spurious and image rejection Intermodulation Audio output power at 7 2 V DC External speaker connector Receiving TX 144 148 MHz RX 136 174 MHz USA 144 146 MHz RX 136 174 MHz 2 Europe UK TX RX 144 146 MHz Taiwan Thailand Korea TX RX 136 174 MHz General LM Guaranteed 144 148 MHz range only 52 Guaranteed 144 146 MHz range only FM 107 incl 6 scan edges and 1 call 5 10 12 5 15 20 25 30 50 kHz BNC 50
23. S ECJOEB1A104K 5 7 61 3 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount 7030007270 S ERJ2GEJ 151 X 7030009140 S ERJ2GEJ 272 X 2 7030005090 S ERJ2GEJ 104 X 7030009140 S ERJ2GEJ 272 X 2 7030009140 S ERJ2GEJ 272 X 2 7030009140 S ERJ2GEJ 272 X 2 7030005040 S ERJ2GEJ 472 X 4 7030004980 S ERJ2GEJ 101 X 7030000110 S MCR10EZHJ 5 6 5 7030000110 S MCR10EZHJ 5 6 7030005090 S ERJ2GEJ 10 7030005050 S ERJ2GEJ 10 7030005050 S ERJ2GEJ 10 7030005050 S ERJ2GEJ 10 7030005600 S ERJ2GEJ 27 7030005160 S ERJ2GEJ 10 7030007310 S ERJ2GEJ 15 7030005110 ERJ2GEJ 22 7030005100 S ERJ2GEJ 15 7030008300 S ERJ2GEJ 18 7030005090 S ERJ2GEJ 10 7030005160 S ERJ2GEJ 10 7030005530 S ERJ2GEJ 10 7030008010 S ERJ2GEJ 12 7030005090 S ERJ2GEJ 10 7030005100 S ERJ2GEJ 15 7030005110 ERJ2GEJ 22 7030005090 S ERJ2GEJ 10 7030005160 S ERJ2GEJ 10 7030005070 S ERJ2GEJ 68 7030008290 S ERJ2GEJ 18 7030005310 S ERJ2GEJ 12 7030005030 S ERJ2GEJ 15 7030005240 S ERJ2GEJ 47 7030005030 S ERJ2GEJ 15 7030009140 S ERJ2GEJ 27 7030005210 S ERJ2GEJ 82 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 00 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 00 00 00 00 00 00 UJ UJ UJ UJ UJ UJ UJ UJ D UJ D D UJ UJ UJ UJ UJ UJ UJ UJ D D D D D A
24. disassembling the transceiver DO NOT open the transceiver until the transceiver is disconnected from its power source DO NOT force any of the variable components Turn them slowly and smoothly DO NOT short any circuits or electronic parts insulated tuning tool MUST be used for all adjustments DO NOT keep power ON for a long time when the transceiver is defective DO NOT transmit power into a signal generator or a sweep generator ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment READ the instructions of test equipment thoroughly before connecting equipment to the transceiver Icom Icom Inc and logo are registered trademarks of Icom Incorporated Japan the United States the United Kingdom Germany France Spain Russia and or other countries CONTENTS SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 4 1 4 2 4 3 4 4 4 5 10 11 11 1 11 2 12 SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTION CIRCUIT DESCRIPITON CIRCUITS 4 1 TRANSMITTER CIRCUITS ea 4 2 FREQUENCY SYNTHESIZER CIRCUITS 4 3 POWER SUPPLY CIRCUITS xia ces ta dre 4 4
25. will not be adjusted properly f 5 00 kHz e Set the Modulation Analyzer same as Rotate CONTROL DIAL during transmit to 0 75 kHz C5 DEVIATION adjust the daviation then release the PTT and f 6 25 kHz audio signal is applied to the MIC line push CLR key to store the adjustment value C6 Transmitting dt to D6 Skip these items The adjustment is completed Turn the power OFF These items MUST NOT be modified Otherwise the transceiver will not perform properly SECTION 6 PARTS LIST LOGIC UNIT LOGIC UNIT ORDER HV ORDER HV NO DESCRIPTION LOCATION 1 NO DESCRIPTION LOCATION 1110006470 5 6 21 2 7030005290 S ERJ2GEJ 682 X 40 4 78 7 1130011770 14 1 18 2 7030005050 S ERJ2GEJ 103 X 22 7 66 6 1130012430 5 5 36 7 7030005310 S ERJ2GEJ 124 X 22 7 66 6 1140014020 23 8 34 4 7030005530 S ERJ2GEJ 100 X 25 3 67 9 1180002251 8 2 75 7030007260 S ERJ2GEJ 330 X 25 3 67 9 1110006260 43 9 25 1 7030005530 S ERJ2GEJ 100 X 34 9 67 9 1130009090 22 4 55 9 7030005090 S ERJ2GEJ 104 X 10 7 70 7 1110001811 30 2 67 1 7030008400 S ERJ2GEJ 182 X 7 4 71 9 7030005000 S ERJ2GEJ 471 44 4 78 7 7030004980 S ERJ2GEJ 101 42 5 14 5 63 7030004980 S ERJ2GEJ 101 7 5 27 3 4 7 64 7 7030005050 S ERJ2GEJ 103 9 4 5 35 8 39 1 7030005220 S ERJ2GEJ 223 7 4 68 4 38 7 84 7030005090 S ERJ2GEJ 104 28 2 44 5 40 8 72 1 7030005090 S ERJ2GEJ 104 43 4 27
26. 0131 HSJ1102 018540 1750000940 158400 TE61 6510025880 TC38 108 01 1750000711 HV 6510021970 330 130 38 3 14 8 1720000540 j 21 8 39 7 21 6 33 4 25 5 24 5 14 5 46 4 22 9 15 7 7 9 39 6 6 6 42 9 6 2 15 5 33 8 31 2 29 2 24 2 12 7 22 3 5 3 37 9 7 3 43 7 40 5 23 1 4 6 19 2 30 4 38 26 2 13 6 27 1 6 8 20 9 5 9 19 1 9 2 10 4 18 6 2 6 28 3 21 4 20 7 400 4 0000 0 4 4 40 400 0300 0 4 10 4 4 1 4 34 6 43 4 39 5 44 25 9 15 8 28 9 15 1 35 3 8 3 11 4 36 6 9 4 44 7 39 7 40 1 39 7 34 8 37 1 29 1 37 2 24 6 14 1 53 6 2 6 37 9 5 5 41 2 7 2 49 2 29 5 40 6 30 8 47 6 21 9 9 6 18 1 13 7 20 6 13 7 16 6 7 15 3 20 4 14 3 18 2 37 3 22 4 16 19 7 00 00 00 00 00 02 02 02 02 02 02 00 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ D UJ 444 4 HU UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ D D J 03 00 UU 0 HH UD DD A D 1333390 M Mounted side T Mounted on the side B Mounted on the Bottom side 6 2 S Surface mount RF UNIT RF UNIT ORDER HIV ORDER HIV NO DESCRIPTION LOCATION NO DESCRIPTION LOCATION 1750000940 S ISS400 TE61 32 7 26 7030007290 S ERJ2GEJ 222 X 2 2 k 35 9 15 5 1790001250 5 MA2S111 TX 3 8 19 6 7030005000 S ERJ2GEJ 471 X 470 37 3 18 1 7030000290 S MCR10EZHJ 181 180 30 1 36 5 7030005220 S ERJ2GEJ 223 X 22 k 30
27. 05090 S ERJ2GEJ 104 X 33 6 7 8 5 3 62 5 7030005090 S ERJ2GEJ 104 X 32 2 12 6 3 6 62 5 7030005160 S ERJ2GEJ 105 X 33 4 14 11 15 2 7030005160 5 ERJ2GEJ 105 X 33 4 13 1 34 2 74 7030005160 S ERJ2GEJ 105 X 33 4 12 2 34 2 72 2 7030005160 S ERJ2GEJ 105 X 10 2 26 2 34 9 41 8 7030005050 S ERJ2GEJ 103 X 25 7 61 5 37 9 36 4 7030005120 S ERJ2GEJ 102 X 16 5 43 8 37 36 4 7030005120 S ERJ2GEJ 102 X 14 6 41 9 4 6 34 2 7030005120 S ERJ2GEJ 102 X 20 3 47 6 2 4 15 7030005120 S ERJ2GEJ 102 X 17 1 44 4 5 7 16 6 7030005110 5 ERJ2GEJ 224 X 24 8 66 1 4 1 16 6 7030005120 S ERJ2GEJ 102 X 29 9 25 5 10 28 7030005120 S ERJ2GEJ 102 X 11 4 38 7 9 9 29 2 7030005120 S ERJ2GEJ 102 X 12 7 40 7 5 29 8 7030005120 S ERJ2GEJ 102 X 13 9 41 2 4 8 29 7030005720 S ERJ2GEJ 563 X 27 5 59 2 39 3 42 1 7030005240 S ERJ2GEJ 473 X 33 8 29 4 37 3 40 1 7410001130 S EXB28V102JX 27 4 22 6 38 4 43 7 7030005120 S ERJ2GEJ 102 X 23 8 21 2 5 4 26 7030005090 S ERJ2GEJ 104 X 32 1 27 7 8 7 28 4 7030005240 S ERJ2GEJ 473 X 30 9 26 5 3 3 26 4 7030005240 S ERJ2GEJ 473 X 29 1 24 8 10 1 24 4 7030005240 S ERJ2GEJ 473 X 33 1 28 7 7 1 15 4 7030005040 S ERJ2GEJ 472 X 3 6 61 6 10 8 29 2 7410001130 S EXB28V102JX 16 4 28 1 7 5 26 4 7030010040 S ERJ2GEJ JPW 7 1 12 3 8 7 26 7030010040 S ERJ2GEJ JPW 37 9 42 5 10 27 1 7030010040 S ERJ2GEJ JPW 36 6 43 7 43 5 75 2 7030010040 S ERJ2GEJ JPW 38 4 41 3 44 77 3 40 76 7 40 4 78 7 4030016930
28. 1A104K 6510025230 AXK640345J SCHEMATIC DIAGRAM BOTTOM VIEW 12 1 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 81 06 6793 5302 Fax 81 06 6793 0013 URL 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 9 icomamerica com Customer Service Phone 1 425 454 7619 Icom Canada Glenwood Centre 150 6165 Highway 17 Delta B C 588 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info Gicomcanada com Icom Australia Pty Ltd Unit 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 Fax 61 03 9549 7505 URL http www icom net au E mail sales icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 64 09 274 4062 URL http www icom co nz E mail inquiries icom co nz Fax 64 09 274 4708 Beijing Icom Ltd Room C01 10th Floor Long Silver Mansion No 88 Yong Ding Road Haidian District Beijing 100039 China Phone 86 010 5889 4250 Fax 86 010 5889 4250 URL http www bjicom com E mail bjicom bjicom com Icom E
29. 2510000840 CS028014 12 4030017460 ECJ0EB1E102K 45 84 6 4030017460 ECJOEB1E102K 44 6 70 1 4030017460 ECJ0EB1E102K 45 3 79 9 8900016000 OPC 1129A 4030017420 ECJOEC1H470J 45 1 67 7 8900010901 1121 P0 5 N36 L60 4030017460 ECJOEB1E102K 39 68 1 4030017460 ECJOEB1E102K 34 7 65 2 4030016930 ECJOEB1A104K 35 3 66 1 8930071440 SRCN 2964 SP N W 4510008500 EEE1CA101WP 9 9 86 6 6910012350 MMZ1608Y 102BT 45 5 76 4 4510008660 EEE0JA220SR 4 5 3 6910018460 MMZ1005Y102C T 45 7 72 4030016790 ECJOEB1C103K 5 3 15 4 6910014680 MMZ1608Y 121BT 36 8 65 2 4030017530 ECJOEC1HOR5B 37 5 43 7 6910018460 MMZ1005Y102C T 44 9 68 6 4030017600 ECJOEC1H080C 37 41 4 6910014680 MMZ1608Y 121BT 43 5 63 1 4030017500 ECJOEC1H560J 39 3 43 7 4030016930 ECJOEB1A104K 45 27 4 4030016930 ECJOEB1A104K 17 9 26 7 4030016930 ECJOEB1A104K 45 7 71 1 4030016790 ECJOEB1C103K 9 30 1 4550002890 TEESVA 225M8R 5 8 32 6 4030017040 ECJ0EB1A333K 10 4 30 4 ORDER AN 4030018920 JOEB1H392K 25 7 48 5 DESCRIPTION 4030016930 ECJOEB1A104K 4 8 14 1 NO LOCATION 4030017040 ECJOEB1A333K 25 2 47 3 1116608461 TA31136FNG DEL 4030017030 ECJOEB1A273K 43 4 23 1190000350 S M62363FP 650C 37 8 13 1 4030016930 ECJOEB1A104K 13 4 44 3 1130011671 S MB15E03SLPFV1 G BND E1 10 4 14 8 4030016790 ECJOEB1C103K 8 4 34 4 1130011801 SN74AHC1G66HDBV3 8 5 13 3 4030016790 ECJ0EB1C103K 9 8 47 E 4030017460 ECJOEB1E102K 7 1 77 1 i GENTE ee 4030017760 ECJOEB1H222K 10 1 81 2 4030017730 ECJOEB1
30. 26 UNR911FJ Marking 6 e 25812018 Marking e 2505085 Marking HAT1026R Marking 1026 D2 D2 D1 D1 UNR9210J Marking 6A e 28C4116 Marking LY F 2505231 Marking CY RD01MUS1 Marking K2 UNR9213J Marking 6 DIODES 15 271 Marking TG HVC375BTRF Marking B8 MA28077 Marking 5 MA742 Marking M1U 1SV286 Marking T7 HVC376BTR Marking B9 25111 Marking A MA77 Marking 4B SB07 03C TB E Marking J A HVU131TRF Marking P1 e MA2S30400L Marking K 8056 Marking 82 DA221 Marking K 188400 Marking A MA28728 Marking K 1 1 8082 Marking 56 HVC350BTRF Marking B2 133 Marking 728 Marking W1Z A RB060L 40 Marking 36
31. 4 29 3 43 9 10 5 44 2 28 5 42 6 470 100 k 470 k 470 02 02 00 44 00 0000 00000700 000000 00020300 02 4 4 100 0000 4 1 4 4 1 4 4 1 402 4 4 4 4000 1 4 4 1 4 4 1 4 4 1 4 4 4444 02 40 03 02 0 9 M Mounted side T Mounted on the Top side B Mounted on the Bottom side 6 3 S Surface mount RF UNIT ORDER NO DESCRIPTION H V LOCATION RF UNIT ORDER NO DESCRIPTION H V LOCATION 4030016790 4030007090 4030017460 4030017460 4030017460 4030016790 4030017460 4550006480 4030017430 4030017460 4030017460 4030017460 4030017460 4030016970 4030017420 4030016970 4030017460 4030016930 4030006900 4030017460 4030017460 4030017420 4030017460 4030017440 4550006250 4030007080 4030017460 4030017460 4030016930 4030016930 4030007040 4030017590 4030017440 4030017460 4030016790 4030017460 4030017460 4030017460 4030017690 4030017460 4030017340 4030017460 4030017680 4030017340 4030017460 4030017600 4030017460 4030016790 4030017390 4030017460 4030016790 4030017380 4030016790 4030017460 4030017460 4030017040 4030017460 4030017680 4030017460 4030016790 4030018860 4030016930 4030017440 4030017440 4030017460 4030017460 4030016790 4510008500 4030017460 4030006860 4030017460 4030017460 4030016790 4030017460 4030016790 4030017460 4030017460 4030017510 4030007040 4030010760 4030009650 4030007050 4030017460 4030017460 4030016930 4550005980
32. 4 37 2 45 7030007570 S ERJ2GEJ 122 X 1 8 9 46 4 7030005070 S ERJ2GEJ 683 9 8 43 8 36 24 5 7030005070 S ERJ2GEJ 683 11 1 41 6 7030005090 5 ERJ2GEJ 104 19 46 3 37 2 24 5 7030005110 5 ERJ2GEJ 224 5 4 8 5 7030005240 5 ERJ2GEJ 473 6 9 10 6 38 4 24 5 7030005050 5 ERJ2GEJ 103 8 7 77 1 7030005050 S ERJ2GEJ 103 X 8 1 82 1 39 6 24 5 7030005290 S ERJ2GEJ 682 X 6 8 8 1 78 7030005160 S ERJ2GEJ 105 X 1 M 9 78 40 8 24 5 7030005090 S ERJ2GEJ 104 X 7 9 42 5 LMV324IPWR CD4066BPWR S 24CS64A0I T8T1G M30622MAP 412GP FX2964B S 812C50AMC C3E G BD5242G TR LC75834W TLM E TA7368FG 5 ER 0000 0 2 1520000460 S TR 25811327100 1530003281 S TR 2SC4211 6 TL E 1530003630 S TR 2584617 TLS 1520000460 S TR 25811327100 1520000460 S TR 25811327100 1590001190 S TR 501 1590003420 S TR UNR911FJ TX 1510000510 S TR 28 1576 T106R 1590003270 5 8 UNR9210J TX 1590003290 S TR 9213 1590001650 5 8 4601 TX 1510000510 S TR 28 1576 T106R 1520000460 5 8 25811327100 R 1590003290 S TR UNR9213J TX 1590001170 S TR 1501 gt gt x x X XX x x x X x x gt 6 8 1 8 22
33. 4030017460 4030017460 4030017460 4030017570 4030017590 4030017360 4550005980 4030016790 4030017460 4030016930 4030016930 4030018860 4030016790 4030017390 4030017390 4030017640 4030017640 4030017460 ECJOEB1C103K 1608 CH 1H 470J T ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1C103K ECJOEB1E102K TEESVA 1C 475M8R ECJOEC1H101J ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1C223K ECJOEC1H470J ECJOEB1C223K ECJOEB1E102K ECJOEB1A104K C1608 JB 1H 103K T ECJOEB1E102K ECJOEB1E102K ECJOEC1H470J ECJOEB1E102K ECJOEC1H221J TEESVA 1A 106M8R C1608 CH 1H 390J T ECJOEB1E102K ECJOEB1E102K ECJOEB1A104K ECJOEB1A104K C1608 CH 1H 180J T ECJOEC1H070C ECJOEC1H221J ECJOEB1E102K ECJOEB1C103K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H121J ECJOEB1E102K ECJOEC1H010B ECJOEB1E102K ECJOEC1H820J ECJOEC1H010B ECJOEB1E102K ECJOEC1H080C ECJOEB1E102K ECJOEB1C103K ECJOEC1H180J ECJOEB1E102K ECJOEB1C103K ECJOEC1H050B ECJOEB1C103K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H820J ECJOEB1E102K ECJOEB1C103K 105 ECJOEB1A104K ECJOEC1H221J ECJOEC1H221J ECJOEB1E102K ECJOEB1E102K ECJOEB1C103K EEE1CA101WP ECJOEB1E102K C1608 JB 1H 102K T ECJOEB1E102K ECJOEB1E102K ECJOEB1C103K ECJOEB1E102K ECJOEB1C103K ECJOEB1E102K ECJOEB1E102K ECJOEC1H680J C1608 CH 1H 180J T C1608 CH 1H 331J T C1608 CH 1H 240J T C1608 CH 1H 220J T ECJOEB1E102K ECJOEB1E102K ECJOEB1A104K TEE
34. 7 015 20 20 0 P13 D11 P14 D12 21 21 1 P92 TB2IN SOUT3 P91 TB1IN SIN3 P90 TBO1IN CLK3 BYTE P94 DAl TBAIN P93 DA0 TB3IN D1 D 2 3 2 D5 D4 D6 D8 D7 D vss P30 A8 2 P31 A9 P32 A10 P33 A11 P34 A12 P35 A13 P36 A14 P37 A15 P22 AN22 A2 P23 AN23 A3 P24 AN24 A4 P25 AN25 A5 P26 AN26 A6 P27 AN27 A7 P84 INT2ZP P83 INT1 P82 INTO cNvss P87 XCIN P86 XOUT RESET XOUT vss XIN vcci PB85 NMI 1 U P40 A16 P41 A17 P42 A18 P43 A19 P44 CS0 45 51 P46 CS2 P47 CS3 P50 WRL WR P51 WRH BHE P52 RD P53 BCLK P54 HLDA P55 HOLD P56 ALE 57 RDY CLKOUT P60 CTSO RTSO P61 CLKO P62 RXD0 SCLO P63 TXD0 SDAO P64 CTS1 RTS1 CTSO CLKS1 P65 CLKl P66 RXD1 SCL1 P67 TXD1 SDA1 P70 TXD2 SDA2 TAOOUT P71 RXD2 SCL2 P72 CLK2 TA10UT V P80 TA4OUT U 77 76 P75 TA21N W P74 TA20UT W P73 CTS2 RTS2 H L MONISW AF ON AF OFF 015 2581132 6 907 0 00 014 2581132 1 BM02B ASRS TF EM6027P 470 EP6 SKHLLFA010 MMZ1005Y102CT 77 CoM4 CoM3 CoM2 HSJ1102 018540 MMZ1608Y102BT 810996 COMI 51
35. BU 8510017480 2964 RF SHIELD 8930072250 2964 ANT SPRING THA 8210023400 2964 REAR PANEL 8310068430 2964 WINDOW PLATE 8930071230 2964 WINDOW SHEET 8210023410 2964 PTT PANEL 8930071120 2964 PTT BUTTON 8930071130 2964 JACK CAP 8930071110 2964 DC CAP 8930071150 2964 T KEY 8930071180 2964 MAIN SEAL 8930071190 2964 PTT RUBBER 8930071200 2964 JACK PLATE 8930050220 1903 SP NET 8830001340 1903 HEX NUT 8830001250 ANT CONNECTOR 101 nut 8610012170 KNOB N 326 8930051290 2251 OPT SHEET 8930059360 2600 RELEASE BUTTON 8930063030 2721 RELEASE PLATE 8930048840 2135 MIC SPONGE 8930056540 Push spring AH 8930055870 O ring AO 8930046020 1123 SHEET A 1 8610009240 knob spring NO 7800P 8810008641 0 tap 1 flat washer B0 2X4 NI ZC3 BT 8810010191 Screw BiH M2X4 SUS SSBC 8810009511 Screw BT B0 2X4 NI ZC3 BT 8810009221 Screw BT 2X8 NI ZK3 BT 8810009561 Screw BT 2X6 NI ZK3 BT Refer to SECTION 9 BOARD LAYOUTS ACCESSORIES ORDER NO OptionalProduct BP 226 EXP USA EUR TPE THA EXP OptionalProduct BP 227 USA 2 EUR 1 UK KOR TPE 2 EXP 2 OptionalProduct BC 167D UK EXP 2 BC 167A USA 2 TPE 2 OptionalProduct FA B2E 6910018620 BLACK HANDY STRAP DESCRIPTION OptionalProduct MB 98 8930051290 2251 OPTION SHEET Ot ak eke clk le
36. CJOEC1H470J ECJOEC1H030B ECJOEC1H030B C1608 CH 1H 180J T C1608 CH 1H 220J T ECJOEB1E102K ECJOEB1E102K C1608 CH 1H 120J T ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K C1608 CH 1H 5 ECJOEB1E102K C1608 CH 1H 680J T C1608 CH 1H 100D T C1608 JB 1E 104K T TEESVA 0J 685M8R TEESVA 1V 224M8R TEESVA 1V 104M8R ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1C103K ECJOEB1E102K ECJOEB1A104K ECJOEC1H470J ECJOEB1E471K ECJOEB1E102K ECJOEC1H560J ECJOEC1H040B ECJOEB1E102K ECJOEB1C103K ECJOEC1HO050B ECJOEC1H030B ECJOEBOJ105K ECJOEC1HO020B ECJOEC1H010B ECJOEC1H010B ECJOEC1H101J ECJOEB1E102K ECJOEC1H020B ECJOEB1E102K C1608 CH 1H 820J T ECJOEB1E102K ECJOEB1E102K C1608 CH 1H 150J T ECJOEB1E102K ECPU1C104MA5 ECJOEB1E102K ECJOEBOJ105K ECJOEBOJ105K ECJOEC1H270J C1608 CH 1H 010B T C1608 CH 1H 010B T ECJOEB1E102K ECJOEB1E102K ECJOEC1H470J ECJOEB1E102K ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEC1H470J ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K HEC2711 01 020 54104 3696 3692 BNC R169 216088221 220128221 24 4 14 1 27 8 16 1 23 1 12 3 26 4 11 1 27 3 9 2 24 9 10 1 24 9 9 2 27 3 8 3 27 1 4 4 22 6 5 8 24 6 4 6 25 5 6 4 23 7 12 9 21 4 15 3 21 1 16 5 19 8 16 5 18 6 17 22 9 7 8 20 3 7 6 20 4 6 30 6 8 7 17 2 9 6 19 2 12 23 3 8 9 18 6 7 4 15 9 9 6 16
37. CTION 1 Removing the front panel 3 Removing shield plate D Remove the knob and jack 8 1 Unscrew 2 screws 2 Unscrew the Antenna nut and 4 screws 2 Unsolder 2 points 8 and remove the shield plate from 3 Disconnect the speaker connector the RF UNT Take off the chassis in the direction of the arrow Chassi 1 assis Shield plate 2 Removing the LOGIC UNIT CD Remove the rubber seal and dial nut 2 Unscrew 5 screws 3 Disconnect the flat cable from 47 4 Removing the RF UNIT 4 Remove the LOGIC UNIT from the chassis in the direction D Unscrew 5 screws of the arrow 2 Unsolder 4 points 8 contact spring 3 Unsolder 1 point G antenna connector and remove the RF UNIT from the chassis Rubber seal SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS ANTENNA SWITCHING The antenna switching circuit toggles the receive RX line and transmit TX line The received signals from the antenna are passed through a two staged Low Lass Filter LPF L1 L2 C1 C5 and then applied to the antenna switch D1 D2 D8 L15 L58 C52 C76 C516 While transmitting the voltage on the T5V line is applied to D1 D2 and D8 and these are ON Thus the TX line is connected to the antenna Simultaneously the RX line is connected to the GND to prevent transmit signal entering While receiving no voltage is appl
38. E471K 33 6 43 7 1110006740 Py ELLE 90 4 30 3 4030016790 ECJ0EB1C103K 4030017730 ECJOEB1E471K 4030016950 ECJOEB1A473K 4030017730 ECJOEB1E471K 4030017040 4030018080 ECJOEB1H182K 4030016970 ECJOEB1C223K 4030017790 ECJOEB1E682K 4030017760 ECJOEB1H222K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4550006350 TEESVB2 1A 226M8R 4030016930 ECJOEB1A104K 4030017460 ECJOEB1E102K 4510008660 EEE0JA220SR 4550006250 TEESVA 1A 106M8R 4030016930 ECJOEB1A104K 4030017770 ECJOEB1E332K 4030017760 ECJOEB1H222K 4030016790 ECJOEB1C103K 4030016930 ECJOEB1A104K 4030016790 ECJOEB1C103K 4030016790 ECJOEB1C103K 4030017460 ECJOEB1E102K 4030018520 C1608 JB 0J 225 4030016930 ECJOEB1A104K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017040 4030018100 ECJOEB1H681K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030016950 ECJOEB1A473K 4030016950 ECJOEB1A473K 4030016950 ECJOEB1A473K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 4550006250 TEESVA 1A 106M8R 4030017420 ECJOEC1H470J 4030018240 ECJOEB1E562K 7 55 3 40 6 55 3 13 7 41 4 31 1 41 3 13 5 24 8 34 1 24 8 13 1 9 7 34 4 9 7 34 6 43 7 41 1 60 4 1560001371 RD12MVS1 T112 5 9 27 3 1560001241 RDO1MUS1 T113 9 86 2 1530003231 2SC5085 Y TE85R F 6 7 42 1590003720
39. G as Frequency Displayed frequency Receiving Push CLR key to store the adjustment value and select the next adjustment item Band high Set the SSG as Frequency Displayed frequency Receiving Push CLR key to store the adjustment value and select the next adjustment item automatic adjustment SQUELCH Sq Connect an 8 O spaeker to the AFOUT line see page 5 1 Set the SSG as Level 19 dBy 126 dBm Receiving Rotate CONTROL DIAL to close the squelch once then rotate CONTROL DIAL to set the squelch level at the point where the audio signals just appear Push CLR key to store the adjustment value and select the next adjustment item These items MUST NOT be modified Otherwise the transceiver will not perform properly 5 3 Squelch open ADJUSTMENT continued ADJUSTMENT ADJUSTMENT CONDITION OPERATION NOTE RECEIVE SENSITIVITY should be adjusted before S meter Otherwise S meter will not be adjusted properly e Set the SSG as Push CLR key to store the adjustment value and automatic Frequency Displayed frequency select the next adjustment item adjustment Level 6 dBu 113 dBm Receiving dF Push A to skip this item Et Push A to skip this item CTCSS NOTE DTCS MODULATION BALANCE page 5 3 should be adjusted before CTCSS AMPLITUDE AMPLITUDE Otherwise CTCSS AMPLITUDE
40. Hz 1st IF signal While transmitting the buffer amplified VCO output is passed through the TX RX switch D3 and applied to the transmit amplifiers PLL Phase Locked Loop CIRCUIT RF UNIT The PLL circuit provides stable oscillation of the transmit frequency and receive 1st LO frequency The PLL output frequency is controlled by the divided ratio N data from the CPU PLL CIRCUITS A portion of VCO output is applied to the PLL IC IC19 pin 8 via buffer amplifiers Q5 Q75 The applied signal is divided at the pre scalar and programmable counter according to the control signals PLLSTB PLLDATA and from the CPU L IC8 pins 63 65 and 66 The divided signal is phase compared with the reference frequency signal from the reference frequency oscillator X4 at the phase detector The phase difference is output from pin 5 as a pulse type signal after being passed through the internal charge pump The output signal is converted into the DC voltage lock voltage by passing through the loop filter R445 R448 472 475 C519 The lock voltage is applied to the variable capacitors D59 and D60 of VCO Q76 D59 D61 and locked to keep the VCO oscillating frequency constant If the oscillated signal drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the VCO oscillating frequency D3 Buffer lt gt to transmitte
41. J3GE JPW V 31 9 22 1 7030000290 S MCR10EZHJ 181 180 28 8 22 1 7030000010 S MCR10EZHJ JPW 000 31 26 2 27 8 27 7 28 8 20 5 4030006980 S C1608 CH 1H 070D T 16 1 22 4030009530 S C1608 CH 1H 030B T 14 5 22 4030007060 S C1608 CH 1H 270J T 7 4 22 3 4030009920 S C1608 CH 1H 050B T 12 5 31 7 4030007050 S C1608 CH 1H 220J T 13 5 30 1 4030017460 S ECJOEB1E102K 8 8 25 5 4030006860 S C1608 JB 1H 102K T 7 1 25 4 4030016930 S ECJOEB1A104K 7 30 1 4030017460 5 ECJOEB1E102K 8 8 30 1 4030017460 S ECJOEB1E102K 9 7 30 1 4030017460 S ECJOEB1E102K 47 x x x X 1 x x x x 7030008300 S ERJ2GEJ 184 X 180 k 7030005000 S ERJ2GEJ 471 X 470 7030005310 S ERJ2GEJ 124 X 120 k 7030004990 S ERJ2GEJ 221 X 220 x x x x x x x x x 0 00 4 4 4 4 44 44 44 44 4 19 49000 400 102 1 1 1 1 1 10 0 1 7030004980 5 ERJ2GEJ 101 X 100 7030005000 S ERJ2GEJ 471 7030005090 S ERJ2GEJ 104 7030005000 S ERJ2GEJ 471 7030005120 S ERJ2GEJ 102 7030005000 S ERJ2GEJ 471 7030009280 S ERJ2GEJ 391 7030005030 S ERJ2GEJ 152 7030005240 S ERJ2GEJ 473 7030007290 S ERJ2GEJ 222 7030005060 S ERJ2GEJ 333 39 3 51 2 41 4 47 5 35 7 51 4 36 4 46 5 34 5 51 4 30 7 5 6 34 4 45 8 33 8
42. MODE Turn the power OFF ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE REFERENCE FREQUENCY Fr Connect a RF Power Meter or a dummy load to the antenna connector e Loosely couple a Frequency Counter to the antenna connector Transmitting Rotate CONTROL DIAL during transmit to adjust the frequency then release the PTT and push CLR key to store the adjustment value and select the next adjustment item 146 00000 MHz LOCK VOLTAGE LU TRANSMIT OUTPUT POWER Po RF Power Meter to the antenna connector Transmitting eConnect an RF Power Meter to the antenna connector Transmitting Push CLR key during transmit then push to select the next adjustment item Rotate CONTROL DIAL during transmit to adjust the output power then release the PTT and push CLR key during transmit to store the adjustment value and select the next adjustment item Transmitting Transmitting automatic adjustment 7 0 W except THA 5 5 W THA DEVIATION dE NOTE REFERENCE FREQUENCY shoul Otherwise DEVIATION will not be d be adjusted before DEVIATION adjusted properly Connect an Audio Generator and AC millivoltmeter to the MIC line see page 5 1 and set as Frequency 1 kHz Level 90 mVrms a Modulation Analyzer to the antenna connector through an attenuator and s
43. O SERVICE MANUAL FM TRANSCEVERS Icom Inc INTRODUCTION This service manual describes the latest service information for the IC V85 IC V85E and IC V85 T FM TRANSCEIVERS at the time of publication USA USA 2 EXP Export EXP 2 EXP 3 TPE TPE 2 Korea KOR U S A Taiwan U K UK IC V85 T Thailand THA To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation EUR Europe IC V85E EUR 1 CAUTION NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 8 V This will ruin the transceiver DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the transceiver s front end ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit Icom parts numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER 1110003491 5 TA31136FNG IC V85 RF UNIT 5 pieces 8820001210 Screw 2438 screw 1 85 Top cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES Make sure a problem is internal before
44. OCEDURE REQUIRED TEST EQUIPMENTS When adjusting IC V85 V85E V85 T following test equipments and JIG cables see the illust below are required GRADE AND RANGE EQUIPMENT EQUIPMENT GRADE AND RANGE RF power meter terminated type Measuring range Frequency range Impedance SWR 0 1 10W 100 300 MHz 50 Q Less than 1 2 1 Standard signal generator SSG Frequency range Output level 0 1 300 MHz 20 to 90 7127 to 17 dBm Frequency counter Frequency range Frequency accuracy Sensitivity 0 1 300 MHz 1 ppm or better 100 mV or better AC millivoltmeter Measuring range 10 mV to 10V Oscilloscope Frequency range DC 20 MHz 0 01 20 MHz Measuring range 30 300 MHz 0 to 10 kHz 300 3000 Hz 1 500 Frequency range Measuring range 80 More than 1 W 30 or 40 dB More than 10 W Input impedance Modulation analyzer Capacity External speaker Power attenuation Capacity Frequency range Output level Attenuator Audio generator CAUTION BACK UP originally programmed contents Memory channels Common settings etc in the transceiver using optional CS V85 CLONING SOFTWARE before starting adjustment When all adjustments are completed these contents in the transceiver may be cleared CONNECTION CAUTION Standard Signal Generator 20 to 90 dBu 127 dBm to 17 dBm DO NOT transmi
45. RE 82NGFA 6200010100 S C2012C 33NG A 6200010210 S C2012C 22NG A 6200001981 5 NLV25T 1R0J 6200012880 S 0 30 1 3 6TL 24 5N 6200005691 S ELJRE 18NGFA 6200005691 S ELJRE 18NGFA 6200003271 5 NLV25T R56J 6200004480 S MLF1608D R82K T 6200003540 S MLF1608D R22K T 6200009930 S C2012C 68NG A 6200010540 S C2012C 47NG A 6200007871 5 ELJRF 39NJFB 7 00 30 20 80 20 2k 0 k 17 6 36 7030005110 5 ERJ2GEJ 224 X 36 30 2 22 9 25 4 7030005220 S ERJ2GEJ 223 X 40 5 21 1 35 7 41 1 7030008370 S ERJ2GEJ 561 X 26 3 23 5 38 2 32 4 7030007310 S ERJ2GEJ 155 X 6 7 13 2 30 4 30 3 7030005040 S ERJ2GEJ 472 X 27 8 39 35 9 26 4 7030005240 S ERJ2GEJ 473 X 27 6 41 8 26 9 21 7030007340 S ERJ2GEJ 153 X 27 4 33 1 32 2 39 9 7030005600 S ERJ2GEJ 273 X 26 30 2 12 2 41 2 7030008300 S ERJ2GEJ 184 X 27 8 30 1 29 9 21 7 7030005240 S ERJ2GEJ 473 X 27 8 29 2 25 6 43 7 7030005090 S ERJ2GEJ 104 X 28 26 4 24 8 18 4 7030005170 S ERJ2GEJ 474 X 28 28 31 8 18 1 7030010040 S ERJ2GEJ JPW 9 4 8 7 27 8 13 5 7030010040 S ERJ2GEJ JPW 31 2 15 3 27 1 5 3 7030010040 S ERJ2GEJ JPW 31 7 16 5 24 7 16 5 7030005120 S ERJ2GEJ 102 X 1 k 31 7 14 1 19 6 15 7030007290 S ERJ2GEJ 222 X 2 2 27 4 14 17 11 9 7030010040 S ERJ2GEJ JPW 26 7 16 1 21 6 11 9 7030005000 S ERJ2GEJ 471 X 27 8 11 4 18 6 15 6 7030005050 S ERJ2GEJ 103 X 26 5 10 2 29 2 44 2 7030005040 S ERJ2GEJ 472 X 26 3 12 26 7 37 5 7030004980
46. S ERJ2GEJ 101 X 25 6 8 3 24 8 28 3 7030005000 S ERJ2GEJ 471 X 25 5 4 8 10 1 22 2 7030005050 S ERJ2GEJ 103 X 24 2 5 8 10 5 22 7 7030008410 S ERJ2GEJ 392 X 24 6 7 10 6 20 5 7030005710 5 ERJ2GEJ 121 X 23 2 4 9 34 9 20 3 7030007250 S ERJ2GEJ 220 X 24 2 11 3 35 4 37 8 7030005050 S ERJ2GEJ 103 X 22 9 14 1 30 9 19 7 7030007310 S ERJ2GEJ 155 X 17 7 17 7030004970 5 ERJ2GEJ 470 X 21 8 4 6 7030005050 5 ERJ2GEJ 103 19 4 6 1 30 9 51 7 7030009270 5 ERJ 22 7 6 7 8 8 46 9 7030007350 S ERJ 17 7 7 2 26 6 39 7 7030005040 15 ERJ 23 3 9 8 25 4 31 6 7030005120 S ERJ 19 3 10 8 34 1 8 4 7030005240 S ERJ 20 7 9 7 34 9 6 5 7030005090 S ERJ 16 5 5 3 26 21 7 7030007320 S ERJ 18 6 4 8 23 8 22 2 7030005120 S ERJ 17 7 4 8 22 4 23 4 7030005220 S ERJ 35 7 10 6 22 4 24 3 7030005050 S ERJ 36 6 12 9 23 6 18 5 7030009290 S ERJ2GEJ 562 11 2 13 1 24 8 20 6 7030005010 S ERJ2GEJ 681 7 3 18 9 24 7 14 7 7030005010 S ERJ2GEJ 681 2 4 11 6 24 6 13 5 7030007570 5 ERJ2GEJ 122 2 4 10 7 6 8 46 8 7030004980 S ERJ2GEJ 101 X 7 3 15 5 6 8 44 4 7030005090 S ERJ2GEJ 104 X 13 8 20 3 7 4 37 9 7030010040 S ERJ2GEJ JPW 12 8 20 3 6 8 45 6 7030005050 S ERJ2GEJ 103 X 10 k 15 7 13 9 4 1 13 4 7030005050 S ERJ2GEJ 103 X 10 k 15 7 14 8 12 2 51 7030005050 S ERJ2GEJ 103 X 10 k 15 7 16 6 11 2 53 2 7030008290 S ERJ2GEJ 183 X 18 k 16 4 18 6 8 9 34 5 7030007060 S ERJ2GEJ 684X 68 8 36 7 7030005120 S ERJ2GEJ 102 X
47. SKHLLFA010 CONT gt S 24CS64A0I P I I D34 MA8056 Q17 UNR911FJ gt EEPROM X2 CR 836 9 8304MHz lt IC21 CPU MICOUT TX RX BD5242G b RESET VCC 8 30620 5 IC3C 1 4 IC4 1 2 CD4066BPWR LMV324IPW VOLOUT N IC23 TA7368 LIGHT CLONE 01128201132 02 2504211 DS1 2 LNJ310M6URA 23 38 108 01 d E DS3 11 RY SP192UYG24 1C22 LC75834W 054 510996 INITIAL KEY MATRIX LCD DRIVER 40 44 2 D46 D49 155400 D66 D70 LCD SP1 CA028014 70 00 2015 10 3 SECTION 11 VOLTAGE DIAGRAMS 11 1 LOGIC UNIT 15 MSVA 017 UNR911FJ 0 0056 C304 C132 IC3 LMV3241PW IC3 LMV324IPW R97 IC4 1 01 0 11 0 12 1 02 CONT2 CONT3 VSS VDD CONT CONT4 1 04 14 0 13 1 03 CD4066BPWR MAH 220K R98 0 01 150K C213 R107 2 2 SVA150K R113 C214 13 0 033 68K IC3 LMV324IPW 4 V 11 IC3 LMV324IPW S 812C50AMC NC NC VOUT VIN GND
48. SVA 1A 475M8R ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H040B ECJOEC1H070C 1 TEESVA 1 475M8R ECJOEB1C103K ECJOEB1E102K ECJOEB1A104K ECJOEB1A104K 105 ECJOEB1C103K ECJOEC1H180J ECJOEC1H180J ECJOEC1H150J ECJOEC1H150J ECJOEB1E102K UJ UJ UJ UJ UJ UJ UJ UJ A UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ Z UJ UJ UJ UJ A UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ J J 00 00 00 JZ 00 00 00 00 00 00 0000 00 00 00 00 WUWU H U D D D D DV D D H 440 0 Bos Ban Bas 5 0 s 17 1 37 9 25 7 36 2 9 9 46 9 25 4 32 5 27 4 33 1 16 9 33 3 13 5 37 15 1 37 2 26 26 8 26 22 6 21 1 23 9 24 8 22 2 23 9 20 6 20 6 50 4 33 3 7 8 10 9 47 9 33 2 5 5 12 2 53 2 20 4 52 2 20 6 49 5 35 2 5 7 41 1 7 40 4 2 9 40 4 4 5 3 5 9 8 39 2 42 4 10 10 5 31 6 8 6 31 6 35 5 30 35 5 36 4 45 1 37 2 36 1 37 6 34 8 42 33 9 31 6 32 4 31 6 33 3 33 4 29 4 29 4 33 8 35 28 9 38 6 28 33 8 26 6 38 8 23 5 35 1 24 8 35 28 33 18 2 31 22 1 28 25 9 28 26 8 25 1 22 30 2 27 8 31 1 27 8 15 8 24 2 7 7 20 14 5 30 1 12 5 30 1 14 3 26 9 13 9 23 7 13 9 28 1 4 6 27 1 11 5 30 1 4 6 26 2 4 6 28 6 30 1 7 9 30 1 42 18 5 36 31 1 41 4 20 30 3 22 30 1 39 4 32 2 42 9 6 4 20 5 6 4 22 4 38 19 5 32 5 38 4 39 3 18 7 30 6 45 7 31 4 40 5 34 2 33 2 29 7 42 3 30 2 46 7 28 9 46 7 33 50 5 30 1 38 5 13 5 38 6 16 4 17 7 27 8 37 6 25 1 11 3 3 1 13 4 13
49. The voltage T3 from the D A converter IC10 pin 10 is applied to the non inverted input terminal as the reference CIRCUITS The operational amplifier compares the rectified voltage and reference voltage and the difference of the voltage is output from the operational amplifier pin 1 The output voltage controls the bias of drive Q2 and power Q1 amplifiers for stable transmit output power The change of transmit power is carried out by changing the reference voltage T3 and transmit muting deactivation of drive and power amplifiers is carried out by TX switch Q37 controlled by TXC signal from CPU LOGIC UNIT IC8 pin 59 TX RX Power detector ANT sw p 93 Sw VCO output gt 4 Pre d e LPF LPF from bufffer amp 074 AME 01 1 t 1 PS5V 4 3 FREQUENCY SYNTHESIZER CIRCUITS e VCO RF UNIT VCO Controlled Oscillator is oscillator whose oscillating frequency is controlled by adding voltage lock voltage VCO oscillates the both of transmit and 1st LO signals The VCO output signals are buffer amplified by Q74 and Q75 While receiving the VCO output is passed through the TX RX switch D4 and the LPF L29 L38 L59 C102 C435 C437 C539 then applied to the 1st mixer Q13 to be mixed with the received signals to produce the 46 35 M
50. Y SP192UYG24 e 27 54104 3696 PARTS LIST 11 2 RF UNIT 69TH ONH gt EXCCL3225U UNR9113J 037 8 2964 RD12MVS1 RD01MUS1 OPEN THEN 2SC461 7 8805252 LMV358IPW IC26 I R 0 007 T 1 907 2 158 C2012C 921020 0 911 su X0EE aozz 85LEDAH HEC2711 01 020 25 1201 019 260 4086 m R lt 22 LSA AOZT gt 5 ol El ot gt o 9994 XT V Q12 3SK318 dt 021020 00 BTT 685 00 0 10070 TE 0 H amp 062 L8TH 80SEDAH 007551 5 2541588 04 010 25 4617 Q Q4 HAT1026R Ve 1 26 LMV358IPW LMV358IPW 994 HOSEDAH 16 271 24052 EN 5 3L 5 amp cpp Pere amp 075 28 5231 28 5006 05 WASW 879 9vvH 450 vOESZVW 089
51. d noise components are amplified at the noise amplifier section and rectified into the DC voltage which is proportional to the noise signal level at the noise detector section then output from pin 13 as the NOIS signal AF and amp CIRCUITS The NOIS signal is applied to the CPU LOGIC UNIT IC8 pin 17 and the CPU compares the NOISE signal and set reference level squelch threshold level When the input NOIS signal is higher than reference level the CPU cuts off AFON signal from pin 4 to the AF power amplifier control circuit LOGIC UNIT Q14 Q16 to deactivate the AF power amplifier LOGIC UNIT IC23 TONE SQUELCH The tone squelch circuit detects tone signals and opens the squelch only when receiving a signal containing a matched sub audible tone When the tone squelch is in use and a signal with a mismatched or no subaudible tone is received the tone squelch circuit mutes the AF signals even when the noise squelch is open A portion of the demodulated AF signals is passed through the LPF LOGIC UNIT Q53 to filters CTCSS DTCS signal The filtered signal is applied to the CPU LOGIC UNIT IC8 pin 93 The CPU compares the applied signal and the set CTCSS DTCS then the CPU controls the status Low or High of AFON signal as e NOISE SQUELCH Pas See aie E 4 Demodulated AF sig
52. dulated VCO output are buffer amplified by Q75 and Q74 then applied to the transmit amplifier as a transmit signal LOGIC UNIT RF UNIT TONE SIGNALS CTCSS DTCS signals are output from CPU LOGIC UNIT IC8 pin 2 and passed through the LPF R224 R227 C219 then applied to the LPF as the AF mixeRF UNIT IC3 pin 13 to be mixed with MIC signals The mixed CTCSS DTCS signals are applied to modulation circuits as e MIC SIGNALS TRANSMIT AMPLIFIERS RF UNIT The transmit signal from the buffer amplifier Q74 is amplified to the transmit output level by the transmit amplifiers The buffer amplified VCO output signal is amplified by transmit amplifiers pre drive Q3 drive Q2 and power Q1 amplifiers in sequence after being passed through the TX RX switch D3 The power amplified transmit signal is passed through the power detector D32 D33 antenna switch D1 and LPF as a harmonic filter L1 L2 1 5 before being emitted from the antenna Automatic Power Control CIRCUIT RF UNIT The APC Automatic Power Control circuit prevents the transition of the transmit output power level which is caused by load mismatching or heat effect etc At the power detector D32 D33 a portion of the transmit signal is rectified into DC voltage which is proportional to the transmit power level The rectified voltage is applied to the inverted input terminal of the operational amplifier IC26 pin 2
53. et as HPF OFF LPF 20 kHz De emphasis OFF P P 2 Detector Transmitting Rotate CONTROL DIAL during transmit to adjust the deviation then release the PTT and push CLR key to store the adjustment value and select the next adjustment item dP Push to skip this item DTCS MODULATION NOTE DEVIATION should be adjusted before DTCS MODULATION BALANCE Otherwise 5 MODULATION BALANCE will not be adjusted properly BALANCE dt Set the Modulation Analyzer same as DEVIATION Connect an Oscilloscope to the detector output terminal of the Modulation Analyzer No audio signal is applied to the MIC line e Transmitting Push A to skip this item Rotate CONTROL DIAL during transmit to arrange the wave form then release the PTT and push CLR key during transmit to store the adjustment value and select the next adjustment item Set to square wave form Flat RECEIVE SENSITIVITY NOTE REFERENCE FREQUENCY should be adjusted before RECEIVE SENSITIVITY Otherwise RECEIVE SENSITIVITY will not be adjusted properly tr Band low Connect an SSG to the antenna connector and set as Frequency Displayed frequency Level 0 107 dBm Modulation 1 kHz Deviation x3 5 kHz Receiving Push CLR key to store the adjustment value and select the next adjustment item Set the SS
54. ied to the D1 D2 and D8 and these are OFF Thus the TX line and the antenna is disconnected to prevent received signals entering Simultaneously the RX line is disconnected from the GND and the received signals are passed through the LPF L15 L58 C52 C76 C516 The filtered signals are applied to the RF circuits RF CIRCUITS RF UNIT RF circuits filter and amplify the received signals within the frequency coverage The received signals from the antenna switch are passed through a tuned Bandpass filter BPF D9 L16 C81 and applied to the RF amplifier Q12 that received signals are amplified in low NF rate The pass band frequency of the tuned BPF D9 L16 C81 is adjusted by the tuning voltage T1 from the D A converter IC10 pin 2 to suppress unwanted signals for high selectivity The amplified received signals are passed through the tuned BPF D11 D12 L18 C92 C94 C96 C502 limiter D72 and the tuned BPF D65 L57 C505 C507 then applied to the 1st mixer Q13 1ST IF CIRCUITS RF UNIT The received signals are converted into the 1st IF signal filtered and amplified at the 1st IF circuits The signals from the RF circuits are applied to the 1st mixer 2nd IF AND DEMODULATOR CIRCUITS Q13 and converted into the fixed frequency of 1st IF signal by mixing with the 1st Local Oscillator LO signals from the VCO Q76 D59 D61 By changing the 1st LO frequency only the desired frequency will pa
55. nals 7 AMUTE AFON 12 ees From IF IC 122 9 gt IC3 SP Lo 2 m 14 10 2211 NE REN 4 3 LPF 9 converter AL 2 IC3 91 1 AF signals _ 10 077 1041 2 i From the microphone emp j L MMUTE MICS NN i 4 2 TRANSMITTER CIRCUITS MICROPHONE AMPLIFIER CIRCUITS LOGIC UNIT The AF signals from the microphone MIC signals are filtered and level adjusted at microphone amplifier circuits Audio signals from the microphone MC1 are applied to IC3 pin 10 which combines a microphone amplifier and pre emphasis circuit The MIC signals are amplified and filtered to obtain 6 dB oct of frequency characteristic by IC3 The amplified and emphasized MIC signals are output from the pin 8 and passed through the splatter filter IC3 pins 13 14 which suppresses 3 kHz and higher audio components via the TX RX switch IC4 pins 3 4 8 9 The filtered MIC signals are then applied to the modulation circuit MODULATION CIRCUITS RF UNIT MIC SIGNALS The modulation circuits modulates the VCO oscillating signal using the modulation signals The MIC signals from AF circuits are passed through the D A converter IC10 pins 21 22 for level deviation adjustment The level adjusted MIC signals are applied to the variable capacitor D61 in the VCO Q76 D59 D61 and modulate the VCO oscillating signal by changing the reactance of D61 The mo
56. r circuits Q74 04 VCO Buffer gt to 1st mixer 013 013 Buff __ 976 D59 D61 gt Loop PLL IC IC19 filter p 5 Charge Programmable 8 divider Prescaler LPF Phase lt Ypi signal 45 9 MHz 2nd LO Shift register PLLDATA control signals signal to the FM IF IC detector g n puste Jom CPU LOGIC UNIT IC8 C2 pin 2 21 1 1 15 3 MHz reference signal from reference frequency osciilator X4 4 4 POWER SUPPLY CIRCUITS DC voltage from the battery or external DC power supply is routed to whole circuit of the transciever via regulators POWER SUPPLY CIRCUITS 09 010 Q18 Q19 Charger COMMON From the gt circuit PLL IC IC19 ext DC power Q4 D6 07 Q11 D A converter etc From the C gt e VCC EH g 5 VCO5L vco and BUFFER amp egulator Regulator battery n VCO 076 059 061 PWRON Q22 PSVCO Buffers Q5 Q74 Q75 etc RR TSV gt TRNSMITTER CIRCUITS Pre driver Q3 etc RF UNIT 5 LOGIC UNIT IC12 Q21 _ CPUS R5V RECEIVER CIRCUITS egulator IF IC IC2 1st mixer 013 Q54 1st IF amp Q14 etc LES Logical circuits L B deor PSSV L FOR POWER SAVE MODE CPU IC8 APC amp
57. ss through a pair of crystal filters at the next stage of the mixer By changing LO frequency the frequency of the 1st IF signal is fixed one for the receiving frequency The converted 1st IF signal is passed through the and limiter D63 then amplified by the 1st IF amplifier Q14 The amplified 1st IF signal is applied to the IF IC IC2 pin 16 2ND IF CIRCUITS RF UNIT The 1st IF signal is converted into the 2nd IF signal and demodulated The 1st IF signal from the 1st IF circuits are converted into the 2nd IF signal at the 2nd mixer section of the IF IC 122 by mixing with the 2nd LO signal which is generated at the reference frequency oscillator X4 after being passed through the PLL IC IC19 pins 1 2 and the tripler Q81 The converted 2nd IF signal is output from pin 3 and passed through the BPF Fl2 to remove the sideband noise then applied to the 2nd IF amplifier section in IC2 pin 5 The amplified 2nd IF signal is then applied to the FM detector section The demodulated AF signals are output from pin 9 and applied to the AF circuits AF CIRCUITS LOGIC UNIT The demodulated AF signals from the IF IC are amplified and filtered at the AF circuits AF signals from the 2nd IF circuits are passed through the the HPF IC3 pins 6 7 and LPF IC3 pins 13 14 via the TX RX AF switches IC4 pins 1 2 10 11 The switched AF signals are passed through the D A converter RF UNIT IC10 pins 11 12
58. t while the SSG is connected to the antenna connector Attenuator Modulation 30 dB or 40 analyzer Oscilloscope RF power meter Frequency 0 1 10 W 50 Q counter JIG cable AC millivoltmeter Audio generator 300 Hz to 3 kHz 4 7 IC V85E IC V85 T ADJUSTMENT MODE D the power OFF Connect the JIG cable to the SP jack see page 5 1 While pushing A W and CLR keys turn the power ON During adjustment mode the function display shows adjustment item and frequency as below While rotating CONTROL DIAL adjustment value is displayed instead of adjustment item 1 Vt ra qm p gt RN Y p Adjustment value Adjustment item Frequency ll KEY ASSIGNMENTS FOR THE ADJUSTMENT MODE CONTROL DIAL Adjusts the value for the item manually Selects next adjustment item without storing the value Selects previous adjustment item without storing the value FUNC Verifies the adjustment value CLR Stores the adjustment value and move to next adjustment item Adjusts the value for the item automatically o SET HML QUITTING ADJUSTMENT
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IC-V85/V85E/V85-T SERVICE MANUAL

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