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IC-M23/M24 SERVICE MANUAL - R

1. SERVICE MANUAL VHF MARINE TRANSCEIVER IC Mc IC M24 S 14720XZ C1 Apr 2011 Icom Inc INTRODUCTION This service manual describes the latest technical information for the IC M23 and IC M24 VHF MARINE TRANSCEIVER at the time of publication TRANSMIT SUPPLIED POWER CHARGER USA 5W 1995 5W CHN 5W EUR 1 5W EUR 5W UK 5W FRG 5W 1 HOL 5W AUS 5W BC 199SV VERSION BC 199SE BC 199SE To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation CAUTION NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than the specified voltage This will ruin the transceiver DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply 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 part number 2 Component name 3 Equipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110003491 S IC TA31136FNG IC M23 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC M24 Top cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES Make sure that the problem i
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3. on the PC s keyboard then push ENTER ADJUSTMENT TRANSCEIVER S CONDITION OPERATION ADJUSTMENT ITEM Push ENTER on Noise Automatic adjustment TX OUTPUT CH 16 Conneci an RF power meter to the antenna connector Transmitting For only FRG version RF Power High RF Power L High RF Power Low RF Power E Low SECTION 6 PARTS LIST MAIN UNIT MAIN UNIT PARTS HIV PARTS H V NO BESGRIPTION LOCATION DESCRIPTION LOCATION 51 0 20 0 51 5 9 2 57 0 9 7 60 3 19 6 62 9 19 8 54 3 20 4 83 7 24 5 73 8 20 3 74 3 16 7 71 4 9 2 87 6 9 6 87 1 6 5 89 7 6 0 98 6 14 4 98 6 5 9 102 3 8 6 106 1 9 0 101 8 16 4 102 3 21 7 99 7 22 5 94 0 26 6 91 4 23 0 84 6 28 6 73 7 9 2 77 5 12 8 77 5 13 7 78 7 10 0 78 7 16 4 87 6 20 2 87 0 17 2 89 8 17 1 93 1 9 5 94 9 13 3 1130011671 1110006490 1110007320 1190001350 1110006470 1180003690 1130011770 1130015560 1110007790 1140015840 MB15E03SLPFV1 G ER 6E1 LMV321IDCKR NJM2591V TE1 ZZZB M62364FP 600D LMV324IPWR NJU7772F03 TE1 ZZZB CD4066BPWR S 24C64CI T8T1U3 NJU7704F03A TE1 ZZZB UPD780318GC 513 9EB A FX3340A TPA0211DGNR LMV358IPWR NJW4100V TE1 ZZZB NJM2835DL1 05 TE1 ZZZB 41 85 11 6 6200011021 5 ELJRF 82NJFB 96 7 19 9 6200002861 S NLV25T 4R7J 56 7 36 9 6200009910 S C6342A 88NG A 39 0 25 3 6200011031 S ELJRF R10JFB 37 7 38
4. 15K 47K 10K 47K 10K 4 7K 10K 180K ERJ2GEJ 472 X 4 7K ERJ2GEJ 224 X 220K ERJ2GEJ 563 X 56K ERJ2GEJ 473 X 47K ERJ2GEJ 183 X 18K EXB28V104JX ERJ2GEJ 102 X 1K ERJ2GEJ 243X 24K ERJ2GEJ 124 X 120 ERJ2GEJ 223 X 22K ERJ2GEJ 223 X 22K ERJ2GEJ 104 X 100 ERJ2GEJ 102 X 1K ERJ2GEJ 152 X 1 5K ERJ2GEJ 104 X 100K ERJ2GEJ 103 X 10K ERJ2GEJ 682 X 6 8K 1 1 x x x x x x x x ERJ2GEJ 104 X 100K ERJ2GEJ 103 X 10K ERJ2GEJ 103 X 10K ERJ2GEJ 102 ERJ2GEJ 153 ERJ2GEJ 102 EXB28V102JX ERJ2GEJ 474 ERJ2GEJ 155 ERJ2GEJ 105 ERJ2GEJ 394 ERJ2GEJ 104 ERJ2GEJ 823 ERJ2GEJ 823 ERJ2GEJ 823 ERJ2GEJ 103 ERJ2GEJ 103 ERJ2GEJ 272 ERJ2GEJ 123 ERJ2GEJ 222 ERJ2GEJ 103 ERJ2GEJ 474 ERJ2GEJ 473 ERJ2GEJ 104 ERJ2GEJ JPW ERJ2GEJ 274 ERJ2GEJ 103 ERJ2GEJ 104 ERJ2GEJ 393 ERJ2GEJ 103 ERJ2GEJ 472 ERJ2GEJ 103 ERJ2GEJ 473 ERJ2GEJ 274 ERJ2GEJ 102 ERJ2GEJ 272 ERJ2GEJ 104 ERJ2GEJ 823 ERJ2GEJ 123 ERJ2GEJ 331 ERJ2GEJ 472 K 15k K 470K 1 5 1M 390K 100K 82K 82K 82K 10K 10K 2 7K 12K 2 2K 10K 470K 47K 100K X 1 x x x x x x x x x x x x x x x x x 270K 10K 100K 39K 10K 4 7 10K 47K 270K 1K 2 7K 100K 82K 12K 330 X 4 7K UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ
5. 2ND IF FILTER 21170 NOISE AMP 1 365 DISCRIMINATOR 170 PLL IC TIE AF LPF LIMIT AMP AF AMP Ji 77777 200 REFERENCE FREQUENCY lt D A CONVERTER 126 d i yous IC190 mit III EEPROM C340 E CPU CPU CLOCK IC360 X360 3 V REGULATOR 12220 FLASHING LED 05247 O o 2 a m LLI o o zh SECTION 3 1 REMOVING THE PCB 6 CAREFULLY lift the PCB out of the front panel and 1 Remove the battery pack from the transceiver 2 Remove the DC cap and antenna nut then turn it over in order to unplug the speaker wire ES 3 Remove 6 screws from the rear panel de 9 Front panel 2 REMOVING THE CHASSIS Unsolder 3 points shown 1 4 CAREFULLY lift the rear panel up and unplug the wet sensor wire UNSOLDER Rear panel 2 lt the CHASSIS 5 Remove 6 screws from the PCB 6 screws Continued on the right above SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS RF CIRCUITS The RF circuits consist of RF filters antenna switch ANT SW RF amplifier RF and extract and amplify the signal of fre
6. 387 Ral 654 R333 2380 The combination of this page and next page shows the top side and bottom side of actual P C board vo V45 v50 V40 5 25 20 vis 10 vs vo r aaa a aa a a a a a a rud J F 5G Gw c EI LJ J PTT BOTTOM VIEW WET SENSOR MAIN UNIT J OOTH SOTH SECTION 9 BLOCK DIAGRAM 0608 28J347F 0609 1 2 144 0612 1155400 b FLASH DET LED DS247 RT3 239HRH16T DS248 SML A12UT CHASSIS MAIN UNIT ANTENNA Jl 021 022 37700 0362 LDTC144EE D22 HVB350BYPTL D52 18V307 D90 HVD144A 50 051 HVD144A 053 RD01MUS2 IC1 MB15E03SLPFV1 050 KTC3770U 054 RD07MUS2B 28C4215 28C4215 PLL IC 10 PRE PWR PWR PWR ANT SW DRIVE SPLITTER AMP COMBINER SW BATTERY VOLTAGE T DC 6 0V D359 LRB551 Q 363 RS0035P03TR CHARGE BTEMPV 21 0603 LDTC144EE REF CR 766 1 25MHz A CRESET RESET A IC602 NJM2853DL1 D601 D610 LRB551 PWR 2 CTRL gt
7. ADJUSTMENT CONDITION r REFERENCE FREQUENCY m RF Power High TX OUTPUT POWER RF Power L High RF Power Low b Enter to Sweep Enter to Sweep RF Power E Low RX SENSITIVITY SQUELCH Ze 5 2 FREQUENCY ADJUSTMENTS 1 Select an adjustment item using on the PC s keyboard 2 Set or modify the adjustment value as specified using lt gt on the PC s keyboard then push ENTER TRANSCEIVER S ADJUSTMENT CONDITION OPERATION ITEM PLL LOCK CH 1 Connect an RF power meter to the 1 95 2 95 V VOLTAGE Receiving antenna connector LVIN VERIFICATION 2 Click the Update F5 button to check on the the Check screen as below Check screen ADJUSTMENT 1 50 2 50 V Transmitting REFERENCE CH Loosely couple a frequency counter to the 156 800000 FREQUENCY Transmitting antenna connector Ref Freq MHz 500 Hz I O Check screen 0 0 0 000 0 0 000 0 0 000v Lock Voltage appears here 0 0 0 0 0 000 1 1 1 1 0 0 0 0004 0 0 000 0 0 000 0 0 000 0 0 000
8. Audio frequency response RECEIVER Receive system Intermediate frequency Sensitivity 20 dB SINAD Squelch sensitivity Intermodulation Hum and noise Audio frequency response Spurious response Adjacent channel selectivity Audio output power 8 5W High 1 W Low 0 5 W E Low 1 W High and 0 5 W Low for German version depending on the pre programmed setting Variable reactance frequency modulation 5 kHz Double conversion superheterodyne 1st 21 7 MHz 2nd 450 kHz 1 4 dBu emf typical 5 emf typical at threshold 68 dB 40 dB 1 dB to 3 dB of 6 dB oct from 300 3000 Hz 70 dB 70 dB 0 2 W at 1 kHz 10 distortion IC M24 GENERAL Frequency coverage Mode Antenna impedance Power supply requirement Current drain approximately Frequency stability Operating temperature range Dimensions projections not included Weight Transmitting 156 025 157 425 MHz Receiving 156 050 163 275 MHz FM 16KOG3E 50 0 nominal BP 266 only 3 7 V DC nominal negative ground TX 5 W 1 0 W 2 3 0 9 A Max audio 0 35 A typical Power save 8 mA typical 10 ppm 20 C to 60 C 4 F to 140 F 58 5 W x 128 5 H x 34 5 D mm 2 3 W x 5 6 H x 1 3 D inch Approximately 260 g 9 2 oz including battery pack antenna and belt clip TRANSMITTER Output pow
9. CHARGE CTRL 5v 1c601 NJW4100V D603 LRB551 03 35 1069 020 10 144 D20 MA2S077G0 D21 MA2S077G0 LOINV 4 R3V 025 25 4215 0602 KTA1664 LEDI G LEDI R 450 2 1 170 NJM2591V V 170 BPE J LTM450FW ZN 0151 KTC3880S 0365 LDTA144EE LN SHUNT 055 RD07MUS2B 1C50 LMV3211DCK Q 357 1 144 APC CTRL 0351 LDTA144E E TX 4 TXMS MUTE SW FI150 FL 368 FI151 FL 399A D131 0150 KDV214E 3SK293 D130 KDV214E D93 KDV214E CRESET DC F DET IC D604 1M323V0 A 450KHz 170 JTBM450CX70 RSSIV gt 0353 RSQ035PO3TR 0606 RSQ035PO3TR NOISV gt 1C365 LMV3581PW gt PWR gt PWR CTRL CTRL 10365 IC260D PLL DATA BUS N PWR CTRL D609 L1SS400 PWSW gt 0354 LDTC144EE D358 LDAN222 POWER SW NV b CLONE 0364 28J347F D360 LRB551 POINT PSW HV HV 0 85 CD4066PWR LMV3581PW AF 10362 TPA0211DGN AFVS gt AF REG Q230 RSQ035PO3TR 0231 8110 0356 1155400 0350
10. programmable counter phase comparator and charge pump in its package The 21 25 MHz reference frequency signal is fed from X1 The loop filter for the VCO is composed by R8 R10 R22 C11 C13 and C24 D50 D51 21 25MHz PLL control signal 4 4 VOLTAGE BLOCK DIAGRAM regulator CHASSIS Q224 Q225 Battery uy 3V pack regulator D sn CPUS3V To CPU and EEPROM MAIN UNIT M3V To the TX RX common circuits R3V To the RX circuits T3V To the TX circuits 4 5 PORT ALLOCATIONS CPU 12360 DESCRIPTION Beep audio Squarewave PLL power save mode control DASTB Decoded tone signal for monitoring purpose Strobe for the D A converter PLSTB Strobe for the PLL IC SDATA Serial data for the PLL IC and D A converter SCK Serial clock to the PLL IC and D A converter ESCK Serial clock for the EEPROM ESDA Serial clock from to the EEPROM RES CPU reset TEMPV Temparature sensing voltage BTEMPV Battery temparature sensing voltage LOINV Lock voltage from the PLL IC TDETV BATTV TX power sensing voltage Battery voltage Divided voltage RSSIV RSSI voltage from the IF demodulate IC NOISV Noise level sensing voltage from the IF demodulate DCV Input voltage d
11. 0 0 000 0 0 000 0 0 000 The values shown above are exsample only Each transceiver has own values 5 2 5 3 RECEIVE ADJUSTMENTS 1 Select an adjustment item using T 4 on the PC s keyboard 2 Set or modify the adjustment value as specified using gt on the PC s keyboard then push ENTER ADJUSTMENT TRANSCEIVER S CONDITION OPERATION ITEM ADJUSTMENT VALUE RX SENSITIVITY 1 NOTE When RX SENSITIVITY is re adjusted SQUELCH must be re adjusted too CH 16 Receiving Connect SSG to the antenna connector and set it as Frequency 156 800 MHz Levelt 30 dBu 77 dBm Modulation 1 kHz Deviation x3 0 kHz Push ENTER on BPF Automatic adjustment NOTE When RX SENSITIVITY must be adjusted before SQUELCH And when RX SENSITIVITY is re adjusted must be re adjusted too CH 16 Receiving Connect an SSG to the antenna connector and set it as Frequency 156 800 MHz Levelt 4 111 dBm M24 and AUS 3 110 dBm M23 except AUS Modulation 1 kHz Deviation x3 0 kHz Noise t The output level of the standard signal generator SSG is indicated as the SSG s open circuit 5 4 TRANSMIT ADJUSTMENTS 1 Select an adjustment item using NIN on the PC s keyboard 2 Set or modify the adjustment value as specified using
12. 1 6200011031 5 ELJRF R10JFB 15 9 38 9 6200011031 5 ELJRF R10JFB 52 7 34 0 6200007001 S ELJRE 82NGFA 25 0 7 3 6200011031 5 ELJRF R10JFB 13 6 13 6 6200011021 5 ELJRF 82NJFB 6200006981 15 ELJRE R10GFA 19 6 26 8 6200012680 15 0 30 1 3 5TL 20N COMO 76 0 32 8 6200012390 S 0 30 0 92 3TR 5 8N lt COMO gt 56 1 29 9 6200012680 S 0 30 1 3 5TL 20N lt COMO gt 88 4 34 8 6200003711 5 NLV25T 2R7J 95 5 36 7 6200012470 S 0 30 1 7 7TL 45 3N COMO 6200012770 S 0 26 1 1 7TR 24N lt COMO gt 6200012780 S 0 30 1 4 6TL 27 2N lt COMO gt 33 3 5 1 6200012470 S 0 30 1 7 7TL 45 3N COMO 53 5 14 5 6200007750 S LQW2BHN56NJ03L 61 2 15 0 6200007750 S LQW2BHNS56NJOSL 62 5 11 4 6200007750 S LQW2BHNS56NJOSL 58 3 20 2 6200007750 S LQW2BHN56NJ03L 64 1 21 5 6200003680 S LQH31MNR82M03L 52 5 22 0 6200011001 S ELJRF 56NJFB 72 4 19 0 6200010991 S ELJRF 47NJFB 72 5 13 3 6200010991 S ELJRF 47NJFB 82 6 9 1 6200007901 S ELJRF 22NJFB 82 6 17 6 6200007901 S ELJRF 22NJFB 96 2 24 1 6200012680 S 0 30 1 3 5TL 20N lt COMO gt 88 1 25 6 6200012390 S 0 30 0 92 3TR 5 8N lt COMO gt 56 2 40 6 6200012680 S 0 30 1 3 5TL 20N lt COMO gt 61 7 27 2 6200012470 0 30 1 7 7TL 45 3N COMO 64 3 27 0 6200012470 0 30 1 7 7TL 45 3N COMO 67 1 27 9 72 9 28 2 72 5 81 7 7510001661 5 NTCG16 4LH 473JT 71 5 27 4 7030012480 S ERJ2RKF 1003X 100K 20 5 37 1 7030005050 15 ERJ2GEJ 88 3 41 6 7030005240 5 ERJ2GEJ 473
13. 10K ERJ2RKF 4701X 4 7K ERJ2GEJ 222 X 2 2K ERJ2GEJ 1RO X 1 ERJ2GEJ 103 X 1 ERJ2GEJ 103 X 1 ERJ2GEJ 103 X 1 2 4 1 2K OK ERJ2GEJ 222 X ERJ2GEJ 471 X ERJ2GEJ 103 X ERJ2GEJ JPW ERJ2GEJ JPW ERJ2GEJ 105 X 1M ERJ2GEJ 103 X 10K ERJ2GEJ 221 X 220 2K 7 0 C1005 JB 1E 103K T C1005 CH 1H 221J T C1005 CH 1H 100C T C1005 CH 1H 150J T C1005 JB 1H 102K T C1005 JB 0J 105K T C1005 CH 1H 020B T C1005 CH 1H 020B T F930J106MAABMA C1005 JB 1H 102K T C1005 JB 0J 224K T C1005 JB 1H 102K T C1005 JB 1H 102K T C1005 CH 1H 090C T C1005 CH 1H 090C T TEESVA 1V 224M8R C1005 JB 1H 102K T C1005 CH 1H 360J T C1005 CH 1H 270J T C1005 JB 1H 102K T C1005 JB 1H 102K T C1005 JB 1H 102K T C1005 CH 1H 1R5B T C1005 CH 1H 221J T C1005 CH 1H 1R5B T C1005 JB 1H 102K T C1005 JB 1H 102K T C1005 CH 1H R75B T C1005 JB 1H 102K T C1005 CH 1H 120J T C1005 CH 1H 150J T C1005 JB 1H 102K T C1005 CH 1H 050B T C1005 CH 1H 220J T C1005 JB 1H 102K T C1005 JB 1H 102K T C1005 CH 1H 220J T C1005 JB 1H 102K T C1005 JB 1H 102K T C1005 CH 1H 150J T C1005 CH 1H 270J T C1005 JB 1E 103K T C1005 JB 1A 104K T C1005 JB 1A 104K T C1005 JB 1H 471K T C1005 JB 1H 102K T 1 1005 C1005 JB 1H 102K T C1005 JB 1E 103K T C1005 JB 1H 102K T C1005 CH 1H 470J T C1005 JB 1H 102K T C1005 JB 1H 471K T C1005 CH 1H 470J T C1005 CH 1H 470J T C1608 CH 1H 910J T C1608 CH 1H 270J T C1608 JB 1H 102K T C1005 JB 1H 102K T C1005 JB 1H 102
14. 21005 152 1 3 77 121 122 NLV25T C6342A 020 7 054 LDTC144EE d 023 TX 1 35V 5 112 K 021 284215 28 4215 RX20 00V MB15E03SLPFV1 G BND E1 KTC3770U 050 550 7651 KTC3770 TX 0 58V HVD144A d 22P 7 BE 062V 2 loss US RD01MUS2 470 ig L57 156 0 30 1 3 5TL C453 771107 181 0 30 0 9 3TR 0 001 0 30 1 184307 0 001 0 26 1 1 7 C67 1 3 30 0 CLK FIN DAT XFIN LE GND vcc VP 20 D51 2507760 HVD144A MA2S077G0 D3 1155400 osco OSCI 022 KTC37700 0362 LDTCl44EE 10 MPZ16085221A 22 HVB350BYPTL E el 1106 7 5 11050 30 1 3 5 055 0 30 0 9 3TR RD07MUS2B T112 L103 HVC376B E Dl gt 2 1 4 5W 0 79V gt 0 0 12 4 IDET LE DU rnm 0351 LDTA144EE 4 1 50 2 LMV3211DCH 0365 19 LDTA144EE 3 1 z gt n D 0357 LDTC144EE 25K1069 4 TL E 4 5W 2 21V NLV25T 0 001 1 0811
15. 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 Icom Polska 81 850 Sopot ul 3 Maja 54 Poland Phone 48 58 550 7135 Fax 448 58 551 0484 E mail icompolska 9 icompolska com pl Count on us Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan 5 14720 2 1 9 2011 Icom Inc
16. BC 199SE CHN 1 8930082570 3340 B TERMINAL 1234 2 Optional BC 199SE EUR 1 1 8810009511 M2 X 4 NI ZC3 3 6 4 0 1 Optional BC 199SE EUR 1 8810008751 M2 X15 NI ZK3 1 Optional BC 199SE FRG 1 8930030920 1301 SHEET 1 Optional BC 199SE HOL 1 8930082490 O RING CH TOP 1 Optional BC 199SV AUS 1 8930082680 3340 DETECTION PIN 2 4 Optional 266 1 8930082630 INSULATION SHEET MU 1 EP6 6910018620 BLACK HANDY STRAP 1 8930083180 SPONGE LG 1 8930083370 3340 FERRITE SHEET 2 8930083370 3340 FERRITE SHEET 2 MP2 Optional MB 124 1 8930083370 3340 FERRITE SHEET 2 8930083370 3340 FERRITE SHEET 2 8930083370 3340 FERRITE SHEET 2 8930083370 3340 FERRITE SHEET 2 Refer to BOARD LAYOUTS for the location Screw abbreviations BO Self tapping PH Pan head ZK Black NI ZU Nickel Zinc 505 Stainless 7 1 MP6 CH MP16 CH 5 d SG N M MP15 CH P MP1 CH s MP18 CH MP361 M W1 CH To J251 M EP360 M MP24 CH x6 MP25 CH x6 MP21 CH MP13 CH x2 T 6 MP22 CH 4 7 MP12 CH 14 To J602 M Jin MP33 CH MP35 CH MP31 CH Wai Abbreviations CH CHASSIS PARTS X M MAIN UNIT SECTION 8 BOARD LAYOUTS e MAIN UNIT TOP VIEW WAG NWS
17. LDTC144TE D350 KDS122 SP 4 CLONE MIC GND PTT cios 6 5 ERKDI gt MIC CONT 0250 LDTC144EE PTTIN gt 260 CD4066PWR PCON gt TICON gt D A 4 1C190 M62364FP 1 200 LM3241PW IC200D LM3241PW LPF SPLATTER 1 2008 LM3241PW SS 1C200A LM3241PW IC260C CD4066PWR AF D A contorl BUS 0224 8110 0225 1664 0366 10 144 e e 0221 L2SA1576AS REG e R3 0222 L2SA1576AS e 12220 NJU7772F03 CPU3V 10341 NJU7704F03A b RESET EEPROM 1C340 S 24C64CI T8T1U3 0356 1155400 16360 UPD78F0338GC EXTPTT 4 9152MHz V V V V V V A A A A A A A A DS246 TAK 35920 LEDS LED P SW 0240 LMUN5213DW1 05240 05241 SML 512WW 05242 05243 05244 05245 LNJ426W83RA SECTION 10 VOLTAGE DIAGRAM e MAIN UNIT 1 2 12190 M62364FP 05246 35920 VINI VINS VOUTI VOUT8 vour2 VOUT7 VIN2 vm VDD GND RESET VDAREF 1 200 1 365 VING LMV
18. T 55 2 33 6 4030016930 C1005 JB 1A 104K T 81 9 33 1 4030017460 C1005 JB 1H 102K T 53 2 32 4 4030016790 C1005 JB 1E 103K T 93 1 37 5 4030016930 C1005 JB 1A 104K T 62 2 38 1 4030016950 C1005 JB 1A 473K T 92 1 38 9 4030017450 C1005 JB 1H 271K T 61 9 35 1 4030017460 C1005 JB 1H 102K T 92 7 32 1 4030017450 C1005 JB 1H 271K T 61 4 33 9 4030019550 C1608 JB 1E 334K T 91 1 32 7 4030016930 C1005 JB 1A 104K T 61 4 36 3 4030018910 C1608 JB 0J 475K T 90 2 38 3 4030018910 C1608 JB 0J 475K T 61 6 40 7 4030016950 C1005 JB 1A 473K T 13 6 17 0 4030016790 C1005 JB 1E 103K T 83 8 43 5 4030016950 C1005 JB 1A 473K T 9 4 22 0 4030019490 C2012 JB 1A 106K T 55 9 22 0 4510008540 EEE1CA100SR 94 7 30 7 4030016790 C1005 JB 1E 103K T 33 6 22 8 4510009530 10 CE 150 BSS 5 3 34 3 4030016790 C1005 JB 1E 103K T 44 0 25 3 4030017420 C1005 CH 1H 470J T 69 1 34 0 4030016790 C1005 JB 1E 103K T 37 6 41 6 4030017400 C1005 CH 1H 220J T 58 2 36 3 4030016930 C1005 JB 1A 104K T 37 2 32 5 4030017400 C1005 CH 1H 220J T 4030016960 C1005 JB 1E 183K T 41 8 34 1 4030017400 C1005 CH 1H 220J T 4030017460 C1005 JB 1H 102K T 42 1 32 7 4030017400 C1005 CH 1H 220J T 4030016930 C1005 JB 1A 104K T 40 7 31 9 4030017400 C1005 CH 1H 220J T 4030016790 C1005 JB 1E 103K T 62 6 29 8 4030017400 C1005 CH 1H 220J T 4030016790 C1005 JB 1E 103K T 64 7 32 1 4030017400 C1005 CH 1H 220J T 50 2 38 9 4550007480 F930J106MAABMA 76 8 27 2 4030017400 C1005 CH 1H 220J T 4030018900 C1005 JB 0J 474K T 69 2 26 8 4030017400 C1005 CH 1H 2
19. X 47K 6 5 15 7 7030007280 15 ERJ2GEJ 331 X 330 99 2 20 0 7030005240 S ERJ2GEJ 473 X 47K 63 8 35 2 7030005000 15 ERJ2GEJ 471 X 470 67 6 35 1 7030008370 S ERJ2GEJ 561 X 560 00000 2 m 0000 1110007610 1110006740 1190002270 1180003470 000 m e 1560000811 S 2SK1069 4 TL E 1590004070 S LDTC144EET1G lt SLVJ gt 1530004011 S KTC3770U C RTK P 1530004011 5 KTC3770U C RTK P 1530002381 5 28C4215 Y TE85LF 1530002381 S 2SC4215 Y TE85LF 1530002381 S 2SC4215 Y TE85LF 1530004011 S KTC3770U C RTK P 1560001550 S RDO1MUS2 T113 1560001700 S RDO7MUS2B T112 1560001700 5 RD07MUS2B T112 1580000751 S 3SK294 TE85LF 1580000731 S 3SK293 TE85LF 1530003890 S 8805 Y RTK P 1510001151 5 L2SA1576AST1G lt SLVJ gt 1510001151 S L2SA1576AST1G lt SLVJ gt 1590003800 S KTC811U GR RTK P 1520000840 S KTA1664Y RTF P 1550000090 S RSQ035P03TR 1590003800 S KTC811U GR RTK P 1590004230 S LMUN5213DW1T1G lt SLVJ gt 1590004070 S LDTC144EET1G lt SLVJ gt 1590004100 S LDTC144TET1G lt SLVJ gt 1590004050 S LDTA144EET1G lt SLVJ gt 1550000090 S RSQ035P03TR 1590004070 S LDTC144EET1G lt SLVJ gt 1590004070 S LDTC144EET1G lt SLVJ gt 1590004070 S LDTC144EET1G lt SLVJ gt 1550000090 S RSQ035P03TR 1550000170 S 2SJ347 TE85LF 1590004050 5 LDTA144EET1G lt SLVJ gt 1590004070 5 LDTC144EET1G lt SLVJ gt 152000084
20. input PLL malfunction detection HzPLL unlocked PWSW D A CONVERTER 1C190 101 input HzPushed DESCRIPTION TX output power adjustment voltage Deviation adjustment AF output power adjustment Squelch threshould level adjustment BPF tuning voltage Reference frequency adjustment voltage MIC signal level MIC sensitivity adjustment SECTION 5 ADJUSTMENT PROCEDURE 5 1 PREPARATION REQUIRED EQUIPMENTS Cloning software CS M24 M23 ADJ Revision 1 0 or later Cables OPC 478UC and OPC 2091 RF power meter 50 terminated CONNECTION Measuring range Frequency range SWR Standard signal generator 20 to 90 dBu 127 dBm to 17 dBm 0 1 6 100 300 MHz Less than 1 2 1 to the antenna connector CAUTION DO NOT transmit while an SSG is connected to the antenna connector 0 1 6 W 50 0 RF power meter CH Frequency counter Frequency range Frequency accuracy Input level 0 1 300 MHz 1 ppm or better Less than 1 mW Frequency counter To DC Standard signal generator SSG Frequency range Output level 0 1 300 MHz 20 to 90 dBu 7127 to 17 dBm OPC 478UC USB type ADJUSTMENT UTILITY SCREEN Untitled File View COM Port b IG M24 USA S Output Data E Parameter
21. 0 5 KTA1664Y RTF P 1590004070 5 LDTC144EET1G lt SLVJ gt 1550000090 S RSQ035PO3TR 1550000170 S 2SJ347 TE85LF 1590004100 S LDTC144TET1G lt SLVJ gt 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 00000 J J 37 3 16 8 33 8 18 8 37 6 18 2 36 7 15 7 37 5 8 5 49 5 13 4 50 0 12 1 40 7 6 4 38 7 6 0 31 5 6 0 35 2 5 6 31 5 4 2 51 0 18 4 41 6 6 4 52 7 12 6 53 1 18 2 52 7 16 5 63 1 16 2 63 5 13 2 61 9 13 2 58 7 18 4 60 8 18 4 62 4 18 6 62 3 21 5 55 8 18 8 55 3 20 4 61 6 25 0 45 6 19 4 71 0 24 8 71 0 23 1 71 9 23 6 72 3 21 7 72 3 20 8 91 3 19 8 7030008370 S ERJ2GEJ 561 X 560 64 4 8 5 7030005000 5 ERJ2GEJ 471 X 470 96 6 36 1 7030005050 5 ERJ2GEJ 100 0 36 3 7030005050 5 ERJ2GEJ 103 X 10K 76 1 15 3 7030004980 5 ERJ2GEJ 101 X 100 65 6 24 6 7030005040 S ERJ2GEJ 472 X 4 7K 86 4 35 1 7030004990 5 ERJ2GEJ 221 X 220 81 5 36 7 7030005090 5 ERJ2GEJ 104 X 100K 60 4 35 2 7030005090 5 ERJ2GEJ 104 X 100K 4 9 23 5 7030005290 5 ERJ2GEJ 682 X 6 8K 4 6 28 5 7030005210 5 ERJ2GEJ 822 X 8 2K 7030004980 S ERJ2GEJ 101 X 100 7030005070 5 ERJ2GEJ 683 X 68K 34 0 16 8 7030004990 5 ERJ2GEJ 221 X 220 30 8 10 1 7030007270 5 ERJ2GEJ 150 51 5 12 8 7030007350 5 ERJ2GEJ 393 X 39K 10 3 3 1 2 68 0044044440444 UJ UJ UJ UJ V UJ UJ UJ UJ UJ UJ OU WUWU 175000
22. 0003510 5030003400 5040003560 5040003001 7700002710 2260001900 6910014690 6910014690 6910021240 6910014690 6910018460 8930082550 SML 512WWT86 SML 512WWT86 LNJ426W83RA LNJ426W83RA LNJ426W83RA LNJ426W83RA TAK 35920 FX3340 lt ITAK gt RT3 234HRH16T BNS lt ROD gt SML A12UT T86J EM6027P 46C33 G lt HOR gt SW 149 SKHLLD MPZ1608S221A T MPZ1608S221A T MMZ1005A152ET MPZ1608S221A T MMZ1005Y102C T SRCN 3340 SP N W SHJ 53 1 3 8 61 1 3 8 17 2 32 2 28 1 32 2 17 2 18 5 28 1 18 5 2 9 25 3 71 4 7 9 88 1 12 7 61 1 17 0 83 0 22 2 105 4 42 0 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount 6 4 SECTION 7 MECHANICAL PARTS CHASSIS PARTS MAIN UNIT ORDER ORDER NO NO DESCRIPTION 6910014190 2497 ANT CONNECTOR DESCRIPTION 6510021901 BMO2B ASRS TF LF SN 6510027970 LGP2631 0200FC 6510009351 B2B ZR LF SN 2510001410 036D0803 1 5030003400 35920 FX3340 lt gt 8900009640 963 5040003560 RT3 234HRH16T BNS 8900020040 OPC 2138 7700002710 EM6027P 46C33 G lt HOR gt 8210026940 3340 FRONT PANELASSEMBLY 8210027040 3340 FRONT PANEL A ASSEMBLY 8930082450 3340 KEYBOARD lt SEP gt 8930082590 3340 KEYBOARD A lt SEP gt 8930082510 3340 PTT BUTTON TOP 8930082370 3340 PTT HOLDER 8110010040 3340 REAR COVER 8930082480 3340 COVER SEAL TOP 8930082400 3340 RE
23. 005170 7030007310 7030005160 7030006610 7030005090 7030005080 7030005080 7030005080 7030005050 7030005050 7030009140 7030008010 7030007290 7030005050 7030005170 7030005240 7030005090 7030010040 7030005700 7030005050 7030005090 7030007350 7030005050 7030005040 7030005050 7030005240 7030005700 7030005120 7030009140 7030005090 7030005080 7030008010 7030007280 7030005040 ERJ2GEJ 222 X 2 2K ERJ2GEJ 223 X 22K ERJ2GEJ 154 X 150 ERJ2GEJ 102 X 1K ERJ2GEJ 102 X 1K ERJ2GEJ 104 X 100 ERJ2GEJ 222 X 2 2K ERJ2GEJ 471 X 470 ERJ2GEJ 391 X ERJ2GEJ 272 X 2 7K ERJ2GEJ 471 X 470 ERJ2GEJ 152 X 1 5K ERJ2GEJ 334 X 330K ERJ2GEJ 273 X 27K ERJ2GEJ 102 X 1K ERJ2GEJ 391 ERJ2GEJ 471 ERJ2GEJ 104 ERJ2GEJ 222 ERJ2GEJ 104 ERJ2GEJ 224 ERJ2GEJ 472 ERJ2GEJ 822 470 ERJ2GEJ 183 X 100K 2 2K 100K 220K 4 7K 8 2K 18K 39K 1 5K ERJ2GEJ 393 X 100K ERJ2GEJ 152 ERJ2GEJ 104 ERJ2GEJ 153 ERJ2GEJ 473 ERJ2GEJ 103 ERJ2GEJ 473 ERJ2GEJ 103 ERJ2GEJ 472 ERJ2GEJ 103 ERJ2GEJ 184 ERJ2GEJ 334 X 330K ERJ2GEJ 331 X 330 ERJ2RKF 334 X 330K ERJ2RKF 1503X 150K ERJ2GEJ 221 X 220 EXB28V821JX ERJ2GEJ 271 X 270 ERJ2GEJ 333 X 33K ERJ2GEJ 332 X 3 3K ERJ2GEJ 274 X 270K ERJ2GEJ 183 X 18K ERJ2GEJ 472 X 4 7K
24. 0771 15 HVC376BTRF E 1750001810 5 L1SS400T1G lt SLVJ gt 1790001261 S MA2S077G0L 1790001261 S MA28077G0L 1750001780 S HVB350BYPTL E 1750001910 S HVD144AKRF E 1750001910 5 HVD144AKRF E 1750000581 5 1SV307 TPH3F 1750001910 5 HVD144AKRF E 1790001670 5 RB706F 40T106 1750001190 S KDV214E RTK P 1750001190 5 KDV214E RTK P 1750001190 5 KDV214E RTK P 1750001190 5 KDV214E RTK P 1750001180 5 KDS122 RTK P 1750002170 5 DB2S31400L 1750001810 L1SS400T1G lt SLVJ gt 1750001810 L1SS400T1G lt SLVJ gt 1790001860 EZJZ0V80010 1750001850 LDAN222T1G lt SLVJ gt 1750002110 LRB551V 30T1G lt SLVJ gt 1750002110 LRB551V 30T1G lt SLVJ gt 1750002110 LRB551V 30T1G lt SLVJ gt 1750002110 LRB551V 30T1G lt SLVJ gt 1730002870 LM3Z3V0T1G lt SLVJ gt 1750001810 L1SS400T1G lt SLVJ gt 1750002110 LRB551V 30T1G lt SLVJ gt 1750001810 S L1SS400T1G lt SLVJ gt 54 5 16 2 7030008280 S ERJ2GEJ 271 X 270 61 9 7 6 7030007350 15 ERJ2GEJ 393 X 39K 70 0 23 6 7030005710 S ERJ2GEJ 121 X 120 81 0 24 0 7030008410 S ERJ2GEJ 392 X 3 9K 101 0 12 0 7030005120 5 ERJ2GEJ 102 X 1 99 1 18 1 7030007290 S ERJ2GEJ 222 X 2 2K 97 7 10 3 7030004980 5 ERJ2GEJ 101 X 100 103 1 25 8 7030005530 15 ERJ2GEJ 100 8 25 8 7030007300 S ERJ2GEJ 92 3 26 0 7030007570 15 ERJ2GEJ 70 1 18 3 90 1 25 8 7030005590 S ERJ2GEJ 680 X 70 1 19 3 7 2 18 3 7030005100 S ERJ2GEJ 154 X 150K 94 3 21 3 99 9 20 2 7030005070 S ERJ2GEJ 68
25. 20J T 4030018860 C1005 JB 0J 105K T 11 9 40 0 4030017400 C1005 CH 1H 220J T 4030017460 C1005 JB 1H 102K T 11 0 40 0 4030017400 C1005 CH 1H 220J T 4030017460 C1005 JB 1H 102K T 12 8 40 0 4030017400 C1005 CH 1H 220J T 4030016930 C1005 JB 1A 104K T 13 7 40 0 4030017650 C1005 CH 1H 270J T 33 0 40 1 4030018860 C1005 JB 0J 105K T 73 4 26 8 4030017650 C1005 CH 1H 270J T 4030019490 C2012 JB 1A 106K T 86 1 45 2 4030017650 C1005 CH 1H 270J T 4030017460 C1005 JB 1H 102K T 85 8 41 7 4030017650 C1005 CH 1H 270J T 4030016930 C1005 JB 1A 104K T 34 8 43 6 4030017650 C1005 CH 1H 270J T 4030016790 C1005 JB 1E 103K T 31 8 40 1 4030017650 C1005 CH 1H 270J T 4030018910 C1608 JB 0J 475K T 32 1 35 5 4030017350 C1005 CH 1H 020B T 64 0 24 8 4030016930 C1005 JB 1A 104K T 52 0 33 6 4030017350 C1005 CH 1H 020B T 4030016790 C1005 JB 1E 103K T 50 8 29 9 4030017350 C1005 CH 1H 020B T 4030016790 C1005 JB 1E 103K T 60 3 26 8 4030017350 C1005 CH 1H 020B T 4030018240 C1005 JB 1H 562K T 60 7 32 4 4030017350 1005 CH 1H 020 1 4030017430 C1005 CH 1H 101J T 60 4 30 8 4030017350 C1005 CH 1H 020B 1 4030017030 C1005 JB 1A 273K T 61 6 28 1 4030017350 C1005 CH 1H 020B T 65 2 10 8 4030019490 C2012 JB 1A 106K T 78 1 38 0 4030017350 C1005 CH 1H 020 1 4030016930 C1005 JB 1A 104K T 72 8 34 3 4030017350 C1005 CH 1H 020B T 4030016930 C1005 JB 1A 104K T 63 7 27 2 4030017350 C1005 CH 1H 020B T 4030017920 C1005 JB 1A 683K T 78 1 35 2 4030017350 C1005 CH 1H 020B T 4030017770 C1005 JB 1H 332K T 38 8 32 4
26. 3 X 68K 93 8 20 1 27 5 9 9 7030005310 S ERJ2GEJ 124 X 120K 96 2 17 8 75 1 28 4 7030004980 S ERJ2GEJ 101 X 100 95 5 16 3 65 6 39 9 7030005050 S ERJ2GEJ 74 5 15 2 67 6 32 7 7030005100 S ERJ2GEJ 154 X 150K 71 8 15 2 97 2 32 7 7030004980 5 ERJ2GEJ 101 X 100 72 9 16 3 99 9 34 3 7030005050 15 ERJ2GEJ 103 X 10K 77 511 3 99 9 38 2 7030005720 5 ERJ2GEJ 563 X 56K 77 5 9 5 86 0 31 1 7030004980 5 ERJ2GEJ 78 7 8 3 7 7 23 9 7030000260 5 MCR10EZHJ 100 101 95 7 17 9 59 8 32 2 7030005080 15 ERJ2GEJ 823 X 82K 107 3 7 0 78 8 27 3 7030005090 5 ERJ2GEJ 104 X 100K 99 1 16 2 6 4 28 6 7030005110 5 ERJ2GEJ 224 X 220K 101 9 27 9 7030005050 15 ERJ2GEJ 103 X 10K 99 5 27 9 7030005110 5 ERJ2GEJ 224 X 220K 101 0 27 9 2030000350 21R15AB FL 368 7030005310 S ERJ2GEJ 124 X 120K 97 5 26 1 2030000481 21R15AB FL 399A 7030005700 5 ERJ2GEJ 274 X 270K 98 0 23 5 2020002410 LTM450FW JJE 7030004990 5 ERJ2GEJ 221 X 220 95 8 25 9 7030005050 15 ERJ2GEJ 103 X 10K 98 4 26 1 1 UJ UJ UJ UJ UJ UJ UJ UJ E UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 00 00 UJ 00 00 UJ UJ UJ UJ UJ J 5 5 140 4 N m 2 103000 0 4 10302 4 1 400030 UJ UJ UJ UJ DD J Q DD J J D 7030005090 15 ERJ2GEJ 104 X 100K 93 8 22 1 6050011740 S CR 766 TSS 6035B 21 250 MHz 34 4 11 5 7030005110 5 ERJ2GEJ 224 X 220K 92 2 28 1 6070000310 S 450 70 46 7 42 5 7030005110 5 ERJ2GEJ 22
27. 30017670 C1005 CH 1H 390J T 103 5 5 5 4030016930 C1005 JB 1A 104K T 106 1 6 7 4030018900 C1005 JB 0J 474K T 104 8 7 0 4030018900 C1005 JB 0J 474K T 101 6 14 0 4030018900 C1005 JB 0J 474K T 99 4 17 1 4030017740 C1005 JB 1H 821K T 101 7 19 3 4030017780 C1005 JB 1H 472K T 102 6 19 9 4030017420 C1005 CH 1H 470J T 102 0 26 1 4030017460 C1005 JB 1H 102K T 103 1 28 1 4030018860 C1005 JB 0J 105K T 103 2 23 2 4030016790 C1005 JB 1E 103K T 103 2 24 1 4030018900 C1005 JB 0J 474K T 99 7 26 1 4550007480 F930J106MAABMA 101 6 23 2 4030017460 C1005 JB 1H 102K T 98 5 24 7 4030017460 C1005 JB 1H 102K T 95 8 26 8 4030016950 C1005 JB 1A 473K T 95 8 27 7 4030016930 C1005 JB 1A 104K T 97 4 27 3 4030018910 C1608 JB 0J 475K T 94 0 23 3 4030016930 C1005 JB 1A 104K T 91 2 26 5 4030018860 C1005 JB 0J 105K T 90 0 28 4 4030018890 C1005 JB 0J 224K T 94 7 22 1 4030018900 C1005 JB 0J 474K T 93 2 24 2 4030018900 C1005 JB 0J 474K T 90 0 27 5 4030016930 C1005 JB 1A 104K T 92 9 22 3 4030016930 C1005 JB 1A 104K T 4030017360 C1005 CH 1H 0308 89 9 23 7 4030017460 C1005 JB 1H 102K T 4030017370 C1005 CH 1H 3R5B T 101 6 24 1 4030017390 C1005 CH 1H 180J T 4030017370 C1005 CH 1H 3R5B T 4030017650 C1005 CH 1H 270J T 4030017350 C1005 CH 1H 020B T 4030017460 C1005 JB 1H 102K T 4030017350 C1005 CH 1H 020B T 4030017390 C1005 CH 1H 180J T 4030017350 C1005 CH 1H 020B T 4030017630 C1005 CH 1H 120J T 4030017350 C1005 CH 1H 020B T 4030017410 C1005 CH 1H 240J T 4030017350 C1005 CH 1H 020B
28. 3241PW LMV3581PW Vote vours VINS SML 512WW SML 512WW LNJA26W83RA LNJA26W83RA LNJA26883RA LNJA26883RA 4 4 242 MC250 8 28 821 7 EM6027P 46C33 G 0240 LMUN5213DW1 1 4T 13 1 1 12 1 1 al 6 gt EEN LDTC144EE 1 260 CDA4066BPWR 1 01 0 11 0 12 1 02 CONT2 CONT3 155 Ee Et 91 525 36 7 539 6 538 84 526 535 P82 534 P97 831 P96 530 P95 829 P94 828 93 527 92 526 90 524 1550 59 58 P60 57 Sei 56 P62 55 P63 54 P64 s3 P65 52 P66 51 P67 50 40 SCOMO P41 CoM3 P42 COM2 P43 IC360 COM1 P44 UPD780318GC 513 9EB A CoM0 P45 VLC2 46 P47 P50 VLCDC P51 CAPL P52 CAPH P53 AVREF1 P54 P120 A00 P55 AVSS0 P56 ANI9 P57 ANIB P70 TO4 17 17 P71 TI4 16 6 72 052 15 5 73 52 P14 ANI4 R264 EXB28V104J H j R377 R212 R213 C207 82K 1 5K 100K 0 1 TX 0 00V BXI3 70V 0230 RSQ035P03TR 8 10200 N
29. 4 X 220K 91 2 28 1 6050013200 S CR 911 HC49U SM 4 9152 MHz 7030005530 S ERJ2GEJ 100 X 10 87 7 29 4 lt SKD gt 18 9 10 0 7030008400 S ERJ2GEJ 182 X 1 8K 85 4 26 8 7030005090 15 ERJ2GEJ 104 X 100K 89 9 22 1 7030005530 15 ERJ2GEJ 98 6 27 9 6200009141 S NLV25T 6R8J 46 05 27 6 7030006610 15 ERJ2GEJ 394 X 390K 86 3 25 2 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ MAIN UNIT PARTS NO DESCRIPTION LOCATION MAIN UNIT PARTS NO DESCRIPTION HIV LOCATION 7030007290 7030005220 7030005100 7030005120 7030005120 7030005090 7030007290 7030005000 7030009280 7030009140 7030005000 7030005030 7030005230 7030005600 7030005120 7030009280 7030005000 7030005090 7030007290 7030005090 7030005110 7030005040 7030005210 7030008290 7030007350 7030005030 7030005090 7030007340 7030005240 7030005050 7030005240 7030005050 7030005040 7030005050 7030008300 7030005230 7030007280 7030010010 7030010020 7030004990 7410001270 7030008280 7030005060 7030007300 7030005700 7030008290 7030005040 7030005040 7030005110 7030005720 7030005240 7030008290 7410001140 7030005120 7030011650 7030005310 7030005220 7030005220 7030005090 7030005120 7030005030 7030005090 7030005050 7030005290 7030005090 7030005050 7030005050 7030005120 7030007340 7030005120 7410001130 7030
30. 4030017350 C1005 CH 1H 020B T 4030016790 C1005 JB 1E 103K T 27 4 7 8 4030017350 C1005 CH 1H 020B 1 47 7 37 1 4030012660 C1608 JB 1E 683K T 11 3 13 1 4030017350 C1005 CH 1H 020B T 4030016790 C1005 JB 1E 103K T 29 3 32 1 4030017350 C1005 CH 1H 020B 1 4030016950 C1005 JB 1A 473K T 9 5 23 2 4030017350 C1005 CH 1H 020B T 4030016950 C1005 JB 1A 473K T 10 0 19 7 4030017350 C1005 CH 1H 020B T 4030016950 C1005 JB 1A 473K T 10 9 19 6 4030017350 C1005 CH 1H 020B T 4030016950 C1005 JB 1A 473K T 12 1 19 0 4030016950 C1005 JB 1A 473K T 13 8 15 8 4030017460 C1005 JB 1H 102K T 9 4 21 1 6510021901 BM02B ASRS TF LF SN 76 1 33 8 4030017460 C1005 JB 1H 102K T 6510027970 LGP2631 0200FC 4030017460 C1005 JB 1H 102K T 6510009351 B2B ZR LF SN M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 0 00 00 00 CJ 1 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 02 UU JZ UJ UJ UJ UJ UJ UJ UJ D D D J3 1 4 02 4 4020000 4 4 UJ UJ UJ UJ 03 03 U2 H UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ A UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 4 UO D D D D D D D UJ 6 3 MAIN UNIT PARTS NO DESCRIPTION HN LOCATION 5040003060 5040003060 5040003510 5040003510 5040003510 504
31. 72V TX 0 00V BX 1 20V 50 70 Ki TX 0 00V x 16170 8 2 52 NJM2591V TX 0 00V BXI1 85V 2 26 cl22 kept OSCIN MIXIN 82N 0 01 OSCOUT GND 8 000 31 MIXOUT NOISEREC z 116 09 S ve NOISEDET 01 3P 0 001 7 L90 bang Da IFIN RSSI 117 0 30 1 7 7TL 7 DEC IFOUT 0150 QUAD 21151 38 293 FILIN AFOUT FL 399A 9 NTCGl6 KDV214H KDV214E KDV214E 0 1 8172 0151 470 38808 R176 179 1K 270P TX 0 00V 1 08 HVD144A 2831400 91 10 CHARGE 6 00V CHARGE 4 96V 0353 RSQ035P03TR TX 0 00V TX 2 67V 22 74 10 00 w D601 LRB551V 30 0363 RSQO35P03TR D603 LRB551V 30 Q608 283347 0602 KTA1664 tbe 2220 80010 RT3 234HRHL6T BNS 0225 1664 50035 SML A12UT 1155400 10220 NJU7772F03 1 602 1 NJM2835DL1 05 1 601 NJWA100V 4 0221 0222 L2SA1576AS L2SA1576AS VI
32. 90 7030005050 7030010040 7030005050 7030005050 7030005050 7030005050 7030011210 7030005000 7030005050 7030005120 7030011660 7030012490 7030007290 7030011210 7030005050 7030005050 7030005050 7030007290 7030005000 7030005050 7030010040 7030010040 7030005160 7030005050 7030004990 4030016790 4030017440 4030017620 4030017640 4030017460 4030018860 4030017350 4030017350 4550007480 4030017460 4030018890 4030017460 4030017460 4030017610 4030017610 4550000550 4030017460 4030018010 4030017650 4030017460 4030017460 4030017460 4030017550 4030017440 4030017550 4030017460 4030017460 4030017540 4030017460 4030017630 4030017640 4030017460 4030017380 4030017400 4030017460 4030017460 4030017400 4030017460 4030017460 4030017640 4030017650 4030016790 4030016930 4030016930 4030017730 4030017460 4510008540 4030017460 4030016790 4030017460 4030017420 4030017460 4030017730 4030017420 4030017420 4030018020 4030007060 4030006860 4030017460 4030017460 4030016930 4030016930 4030017460 4030017390 4030017390 ERJ2GEJ 222 X 2 2K ERJ2GEJ 103 X 10K ERJ2GEJ 472 X 4 7K ERJ2GEJ 472 X 4 7K ERJ2GEJ 101 X 100 ERJ2GEJ 221 X 220 ERJ2GEJ JPW ERJ2GEJ 101 X 100 ERJ2GEJ 101 X 100 101 V 100 ERJ2GEJ ERJ2GEJ ERJ2GEJ ERJ2GEJ ERJ2GEJ JPW ERJ2GEJ 103 X 10K ERJ2GEJ 103 X 10K ERJ2GEJ ERJ2GEJ ERJ2GEJ ERJ2GEJ 471 X do ERJ2GEJ 103 X 10K ERJ2GEJ 102 X 1K ERJ2RKF 1002
33. K T C1005 JB 1A 104K T C1005 JB 1A 104K T C1005 JB 1H 102K T C1005 CH 1H 180J T C1005 CH 1H 180J T 69 2 27 5 50 6 29 4 51 8 30 0 50 9 30 9 37 5 14 6 64 8 11 5 64 4 10 3 79 6 13 2 78 3 17 6 92 6 12 4 77 7 15 7 78 9 16 2 22 7 36 8 75 1 17 2 57 4 27 7 98 6 32 7 100 7 32 7 94 9 17 2 87 4 44 1 83 1 31 9 92 7 34 7 92 7 36 3 93 1 33 5 86 1 30 8 84 9 30 7 87 2 39 1 84 0 32 7 16 0 16 5 84 1 35 9 83 2 36 2 95 5 33 5 95 5 31 9 60 9 32 6 83 8 34 3 14 8 17 4 4 8 21 9 5 5 21 0 2 1 23 3 ig 1 4 4 400 4 38 45 18 2 35 5 15 7 34 3 15 5 34 0 7 5 50 4 13 4 39 1 14 9 48 1 26 5 48 1 28 9 36 8 4 7 46 5 29 7 38 7 5 1 30 4 7 5 49 8 18 0 49 7 19 6 49 7 20 6 43 2 5 9 52 5 7 4 52 2 11 0 50 5 11 0 50 8 15 7 54 1 17 3 62 9 17 4 60 0 12 9 63 5 15 0 61 7 9 6 63 5 14 1 58 7 17 5 59 6 16 5 61 4 22 0 60 4 21 5 64 7 19 5 54 3 22 1 55 7 21 9 52 4 20 0 60 3 24 6 71 9 25 2 71 1 21 4 69 9 21 3 70 1 20 2 74 3 18 3 72 9 17 2 94 7 20 1 96 9 22 0 94 9 18 1 95 7 15 1 94 4 15 2 79 1 27 3 81 2 21 7 70 0 11 2 72 7 15 2 73 5 10 3 77 5 10 4 85 0 12 9 86 3 12 4 70 0 10 3 87 7 4 0 92 0 4 0 95 5 6 0 96 8 15 6 99 6 9 2 73 6 15 2 77 5 8 6 101 2 10 2 96 4 4 5 100 7 5 5 1 UJ UJ UJ UJ UJ J J J Q Q Q J J J JZ D D 100 00 02 4 1 0 M Mounted side T Mounted on the
34. Kon Kon UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ J UJ UJ UJ UJ UJ UJ UJ UJ J JZ JV D ZV UU 400444444 D D D D D WUWU TU H UU D D D D D HH HH 0 DD D UJ E 82 0 24 9 86 1 24 0 88 7 23 6 80 4 34 5 62 6 40 7 58 4 40 5 58 5 39 2 57 0 38 5 61 8 39 6 46 6 38 1 53 6 33 6 61 0 37 7 61 0 35 1 62 8 34 3 62 8 35 9 54 4 25 4 33 9 24 4 54 0 24 2 33 2 34 4 33 0 37 3 34 5 35 2 36 3 34 9 38 6 31 5 36 8 33 7 35 6 33 9 40 9 35 1 40 9 33 5 42 1 31 8 61 4 29 1 61 4 30 0 64 7 28 9 64 2 30 1 67 2 26 1 72 9 25 1 68 8 28 0 73 8 28 0 73 8 28 9 58 2 33 0 56 2 29 8 23 6 36 8 25 1 37 1 84 7 43 5 84 9 41 7 36 4 43 6 36 4 41 4 33 4 38 9 34 5 40 8 34 5 42 0 31 6 38 5 32 5 38 5 31 5 36 9 51 6 32 4 51 0 39 1 86 8 42 9 59 8 32 4 61 7 31 1 61 7 30 2 58 7 26 6 57 8 27 5 60 7 28 1 61 7 29 3 76 2 28 8 62 8 28 1 37 0 31 6 23 3 10 7 22 4 10 7 15 8 14 4 7 9 14 0 9 1 15 4 8 1 15 4 23 6 14 8 8 7 30 9 8 3 29 7 8 7 28 5 10 3 27 7 35 6 33 0 38 0 33 4 39 6 33 3 39 1 34 5 96 2 8 1 97 1 17 8 97 9 15 8 96 6 15 3 98 3 18 3 101 1 19 8 35 2 31 8 42 1 35 3 9 3 13 3 10 6 10 9 66 0 36 1 66 0 34 5 92 9 19 9 72 0 36 4 42 4 40 1 41 5 41 0 40 3 41 6 41 5 41 9 70 3 32 0 70 3 30 4 73 6 35 5 56 6 26 3 56 1 27 5 54 5 27 4 69 2 26 6 71 0 29 2 7030007290 7030005050 7030005040 7030005040 7030004980 7030004990 7030010040 7030004980 7030004980 7030003320 7030005050 7030005720 70300049
35. LEASE BUTTON 8930056540 PUSH SPRING AH 8850001950 SEALING WASHER Y TOT 8830003440 3285 ANT NUT 8930082360 3340 JACK CAP 8930082380 3340 CAP HOLDER 8930082470 3340 MIC SEAL TOP 8210026930 3340 REAR PANEL 8930082500 3340 MAIN SEAL TOP 8820001510 3062 SCREW 8930063690 O RING BA TOP 8010022080 3340 CHASSIS 2X1 8930082440 3340 TERMINAL HOLDER 2260001900 SW 149 SKHLLD 8930082550 SRCN 3340 SP N W SHJ 8510014940 2601 VCO CASE Y641 8510014950 2601 VCO COVER Y642 6910014760 OG 503040 CHN 6910014760 OG 503040 EUR 1 6910014760 OG 503040 EUR 6910014760 OG 503040 UK 6910014760 OG 503040 FRG 6910014760 OG 503040 HOL 8210026950 3340 REFLECTOR 8930082580 3340 LCD HOLDER Y1232 8930080490 THERMAL SHEET BU TC200HSV1 4 6 8X14 8930082620 3340 WHITE SHEET Sch ck sk sak Qh ch K k mE mA mA E x 8810009561 PHBT M2 X 6 NI ZK3 10 8930082560 3340 A TERMINAL 1233 1 8930082560 3340 A TERMINAL 1233 1 ACCESSORIES 8930083330 3340 C TERMINAL Y1242 1 REF ORDER 8930083330 3340 C TERMINAL Y1242 1 NO NO DESCRIPTION 8930083330 3340 C TERMINAL 1242 1 8930083330 3340 C TERMINAL 1242 1 EP1 Optional FA SC58V 1 1 8930083330 3340 C TERMINAL Y1242 1 2 Optional 1995 USA 1 8930083330 3340 C TERMINAL Y1242 1 Optional BC 199SE EXP 1 8930082560 3340 A TERMINAL 1233 1 Optional
36. N VOUT GND CTRL NC 10224 8110 P NFB CNT GND NC F CHG LED G LRB551V 30 LED R 0366 e LDTC144EE B c2 gt 0364 251347 9354 360 LDTCl44EE a 3 LRB551y 30 MMZ1005Y102CT 323 0 0603 LDTC144EE 7 QLO gt 5 Explanatory notes a TX Line RX Line lt Common Line Voltage Line Refer to the PARTS LIST for the value and name of component Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 81 06 6793 5302 Fax 81 06 6793 0013 URL _ http Awww icom co jp world index html Icom America Inc lt Corporate Headquarters gt 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 1 425 454 8155 1 425 454 1509 URL http www icomamerica com E mail sales Customer Service Phone 1 425 454 7619 Icom Canada Glenwood Centre 1150 6165 Highway 17 Delta B C VAK 5B8 Canada Phone 1 604 952 4266 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Icom Australia Pty Ltd Unit 1 103 Garden Road Clayto
37. T 4030017500 C1005 CH 1H 560J T 4030017350 C1005 CH 1H 020B T 4030017410 C1005 CH 1H 240J T 4030017370 C1005 CH 1H 3R5B T 4030017500 C1005 CH 1H 560J T 4030017420 C1005 CH 1H 470J T 86 3 26 8 4030017730 C1005 JB 1H 471K T 4030016970 C1005 JB 1E 223K T 87 7 27 6 4030017420 C1005 CH 1H 470J T 4030017460 C1005 JB 1H 102K T 87 7 28 5 4030006860 C1608 JB 1H 102K T 4030016790 C1005 JB 1E 103K T 82 4 23 4 4030018020 C1608 CH 1H 910J T 4030016930 C1005 JB 1A 104K T 39 1 15 8 4030007060 C1608 CH 1H 270J T 4030017460 C1005 JB 1H 102K T 43 7 14 9 4030006860 C1608 JB 1H 102K T 4030018120 C1005 CH 1H 110J T 85 4 25 2 4030007010 C1608 CH 1H 100D T 91 2 12 4 4030017460 C1005 JB 1H 102K T 39 4 17 7 4030007030 C1608 CH 1H 150J T 95 0 4 0 4030017460 C1005 JB 1H 102K T 45 6 21 0 4030017460 C1005 JB 1H 102K T 78 9 17 1 4030017460 C1005 JB 1H 102K T 80 4 32 9 4030016930 C1005 JB 1A 104K T 78 9 15 3 4030017360 C1005 CH 1H 0308 69 4 42 6 4030016930 C1005 JB 1A 104K T 58 7 40 5 4030017460 C1005 JB 1H 102K T 61 4 40 2 4030016930 C1005 JB 1A 104K T 56 3 40 5 4030016970 C1005 JB 1E 223K T 59 3 40 6 4030016930 C1005 JB 1A 104K T 71 2 37 3 4030016790 C1005 JB 1E 103K T 55 4 38 5 4030019490 C2012 JB 1A 106K T 81 1 20 1 4030018240 C1005 JB 1H 562K T 59 7 39 0 4030019490 C2012 JB 1A 106K T 90 4 13 1 4030017460 C1005 JB 1H 102K T 57 5 40 9 4030017690 C1005 CH 1H 121J T 36 4 42 3 4030017420 C1005 CH 1H 470J T 52 4 35 7 4030016790 C1005 JB 1E 103K T 81 9 32 2 4030017460 C1005 JB 1H 102K
38. Top side B Mounted the Bottom side 6 2 S Surface mount MAIN UNIT MAIN UNIT PARTS PARTS LOCATION NO DESCRIPTION NO DESCRIPTION 4030017400 C1005 CH 1H 220J T 4030018120 C1005 CH 1H 110J T 4030017410 C1005 CH 1H 240J T 4030017610 C1005 CH 1H 090C T 4030017590 C1005 CH 1H 070C T 4030017610 C1005 CH 1H 090C T 4030017620 C1005 CH 1H 100 4030017420 C1005 CH 1H 470J T 4030017380 C1005 CH 1H 050B T 4030017400 C1005 CH 1H 220J T 4030017460 C1005 JB 1H 102K T 4030017350 C1005 CH 1H 020B T 4030017350 C1005 CH 1H 020B T 4030017650 C1005 CH 1H 270J T 4030017360 C1005 CH 1H 0308 4030017580 C1005 CH 1H 060C T 4030016790 C1005 JB 1E 103K T 4030017420 C1005 CH 1H 470J T 4030016790 C1005 JB 1E 103K T 4030017460 C1005 JB 1H 102K T 4030017660 C1005 CH 1H 330J T 4030017460 C1005 JB 1H 102K T 4030017560 C1005 CH 1H 2R5B T 4030017540 C1005 CH 1H R75B T 4030017420 C1005 CH 1H 470J T 4030017360 C1005 CH 1H 0308 LOCATION 19 7 17 3 22 0 5 9 15 4 10 8 9 1 27 3 9 1 25 5 9 1 26 4 38 2 34 6 40 0 34 5 42 0 36 5 97 9 14 9 88 3 43 4 33 2 33 5 10 0 24 1 11 7 38 0 63 8 32 6 62 9 32 7 12 1 18 1 42 7 41 4 35 9 18 3 42 5 39 2 57 5 26 3 28 6 10 3 72 0 35 5 50 4 33 3 52 9 28 1 50 9 28 5 64 8 12 4 73 2 8 0 74 5 8 0 75 3 9 2 75 9 8 0 78 7 13 2 78 7 11 6 77 8 10 7 78 7 4 8 77 8 15 5 84 7 21 7 85 6 21 7 92 0 6 7 87 1 14 7 89 9 15 1 92 6 15 3 102 0 5 5 4030018070 C1005 1H 300J T 103 1 6 7 40
39. applied to the speaker CHASSIS 5 1 2ND IF DEMODULATOR AND RX AF CIRCUITS 21 25 MHz ZND IO signal 1 IC260D 21 25MHz AF MUTE DETMS 9 NOISE LEVELS R286 C285 x 450KHz 4 2 TRANSMITTER CIRCUITS TX AF CIRCUITS AF signal from the microphone MIC signals is passed through the MIC mute SW IC260A amplified by MIC 2008 and then applied to the D A converter IC190 through another MIC mute SW IC260C The level adjusted MIC signal is pre emphasized by R201 and C385 to obtain 6 dB oct of frequency response and then passed through the limiter IC200A to prevent over deviation The amplitude limited MIC signal is filtered by the splatter filter IC200D to remove 3 kHz and higher signals and then applied to the VCO Q21 Q22 D22 for frequency modulation TX AF AND MODULATION CIRCUITS IC200D 22008 260 IC200B IC260C MIC MUTE MIC MUTE TX AMPLIFIERS The frequency modulated signal from the VCO Q21 Q22 D22 is passed through the buffers Q23 and Q24 and LO SW D50 and then sequentially amplified by the buffer 50 and pre drive 053 The amplified signal is splitted by the power splitter L100 L101 R463 C445 C446 and applied to the power AMPs Q54 and Q55 The amplified si
40. ee ii doe ee rane Renton adana a SE EE d 4 3 PORT ALLOCATION Sp reu derer sa sione ie wah 4 4 ADJUSTMENT PROCEDURES PREPARATION EE 5 1 FREQUENCY ADJUSTMENTS NEEN ERE YE M 5 2 RECEIVE ADJUSTMENTS sh sec RR RR RSEN 5 8 TRANSMIT ADJUSTMENTS etre dte 5 8 PARTS LIST MECHANICAL PARTS BOARD LAYOUTS BLOCK DIAGRAM VOLTAGE DIAGRAM SECTION 1 SPECIFICATIONS 23 GENERAL Frequency coverage Mode Antenna impedance Power supply requirement Current drain approximately Frequency stability Operating temperature range Dimensions Projections not included Weight Transmitting 156 000 161 450 MHz Receiving 156 000 163 425 MHz FM 16KOG3E 50 0 nominal BP 266 only 3 7 V DC nominal negative ground TX 5 W 1 0 W 0 5 W 2 3 A 0 9 A 0 7 A Maximum audio 0 35 A typical Power save 8 mA typical x1 5 kHz 15 C to 55 C 58 5 W x 128 5 x 34 5 D mm Approximately 260 g including battery pack antenna belt clip TRANSMITTER Output power Modulation system Maximum frequency deviation 70 dB 0 25 uW 1095 at 60 deviation 40 dB 1 dB to 3 dB of 6 dB oct from 300 3000 Hz Adjacent channel power Spurious emissions Audio harmonic distortion Residual modulation
41. er Modulation system Maximum frequency deviation 70 dB 68 dBc typical 40 dB 1 dB to 3 dB of 6 dB oct from 300 3000 Hz Adjacent channel power Spurious emissions Residual modulation Audio frequency response RECEIVER Receive system Intermediate frequency Sensitivity 12 dB SINAD Squelch sensitivity Intermodulation Spurious response Adjacent channel selectivity Audio output impedance Audio output power 5 W approximately High and 1 W Low Variable reactance frequency modulation 5 kHz Double conversion superheterodyne 1st 21 7 MHz 2nd 450 kHz 0 25 uV typical 0 35 uV typical at threshold 70 dB typical 70 dB typical 70 dB typical 80 0 6 W typical at 10 distortion All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS MAIN UNIT TOP VIEW LL 1 E SPEAKER JACK J251 M3V LINE SW Q225 e 5 T e e 6 d e MAIN UNIT BOTTOM VIEW WET SENSING JACK 4602 5 V REGULATOR IC602 TX POWER AMP Q54 CHARGING CONTROL SW Q602 AF POWER AMP TX POWER AMP IC362 Q55 PRE DRIVE AMP 053 1ST IF FILTER 21150 1ST IF FILTER 1151 174 IF DEMODULATOR IC C170
42. etection WDECV Weather alart tone signal ATIS ATIS signal SEGO SEG21 LCD driver segment terminals LEDS Backlight control 78 CRESET Charging control IC reset LCDS LCD contrast control MICMS MIC mute SW control L MIC mute O OJ O O ATX MIC control H While transmitting AFVS AF power AMP control H While the squelch is opened V3VS VCO power supply control M3VS TX power control Low H The TX power is set to Low Main power supply control line control L While receiving RX circuits activated line control L While transmitting TX circuits activated Main power supply line control RX AF line mute L Mute Charge status L While charging Pulse Charging error 100 LEDI G Charge status L When the battery is fully charged M24 only FRG and HOL only DESCRIPTION MIC mute control 1 1 mute PTT input HzPushed TX power control power is set to low Transmitting control mute 16 9 input L Pushed CH WX input L Pushed UP A input L Pushed DOWN W input L Pushed FAV FAV input L Pushed VOL SQL VOL SQL input L Pushed SCAN SCAN input L Pushed H L H L input L Pushed UNLK PLL unlock signal
43. gnals are combined at the power combiner L107 L108 R465 C457 C458 to obtain the TX output power The amplified TX signal is passed through the ANT SW D52 and LPF and then applied to the antenna APC CIRCUIT A portion of TX output signal is rectified by D91 to produce the DC voltage which corresponds to the TX power level The APC AMP IC50 compares the voltage and TX power setting voltage from the D A converter 190 The resulting voltage from the APC AMP controls the gain of both driver AMP Q53 and power AMPs Q54 and Q55 to keep the TX output power stable TX AMPLIFIERS AND APC CIRCUIT ANTENNA 21 PWR SPLITTER 4 3 FREQUENCY SYNTHESIZER CIRCUITS vco While transmitting the oscillatinon frequency of VCO Q21 Q22 D22 is determined by the value of D22 L22 C26 and C27 and the frequency modulation is carried out by adding modulation signal to D20 The generated signal is passed through the buffers Q23 and Q24 and then applied to the pre drive AMP Q53 through the LO SW D50 and buffer Q50 While receiving D21 is turned ON and C28 is connected to the GND to shift the oscillation frequency lower The generated signal is passed through the buffers Q23 and Q24 and then applied to the 1st mixer Q150 through the LO SW D51 FREQUENCY SYNTHESIZER CIRCUITS 021 022 D22 PLL IC1 is a PLL IC which contains the prescaler
44. n 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 10 07 Long silver Mansion No 88 Yong Ding Road Haidian District Beijing 100039 China Phone 86 010 5889 5391 5392 5393 Fax 86 010 5889 5395 E mail bjicom g bjicom com URL http www bjicom com Icom Europe GmbH Communication Equipment Auf der Krautweide 24 65812 Bad Soden am Taunus Germany Phone 49 6196 76685 0 Fax 49 6196 76685 50 URL http www icomeurope com E mail info Gicomeurope com Icom Spain S L Ctra Rubi No 88 Bajos A 08174 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 icom Icom UK Ltd Blacksole House The Boulevard Altira Business Park Herne Bay CT6 6GZ UK Phone 44 01227 741741 Fax 44 01227 741742 URL http www icomuk co uk E mail info icomuk co uk Icom France s a s 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
45. quency which is desired to receive ANTENNA SWITCHING CIRCUIT The RF signal from the antenna is passed through the LPF L81 L82 C83 C86 C89 and antenna SW D52 D90 L90 C90 C91 and then applied to the RF AMP Q90 through the 2 staged tuned BPF D92 D93 L92 L93 C95 97 100 C117 RF AMPLIFIER The filtered RX signal is amplified by the RF AMP Q90 and passed through another 2 staged D130 0131 L96 L97 1110 1112 1115 to remove unwanted signals The filtered signal is applied to the 1st mixer Q150 RF CIRCUITS 1ST IF 2ND IF AND DEMODULATOR CIRCUITS 1ST IF CIRCUITS The RX signal is mixed with 1st LO signal at the 1st mixer Q150 resulting in the 21 7 MHz 1st IF signal The converted 1st IF signal is filtered by the crystal filters 150 and F151 to remove unwanted out of band signals The filtered 1st IF signal is amplified by the 1st IF AMP 0151 and then applied to the IF demodulate IC 170 pin 16 1ST IF CIRCUITS lst IF signal 0150 2ND IF AND DEMODULATOR CIRCUITS 1 170 is an IF demodulate IC which contains the 2nd local oscillator 2nd mixer limiter and quadrature detector in its package The 21 25 MHz reference frequency signal from the PLL IC IC1 pin 2 is applied to the IF demodulate IC IC170 pin 2 as the 2nd LO signal and then mixed with 21 7 MHz 1st IF signal from the 1st AMP Q151 The resulting signal of 450 kHz 2nd IF
46. s internal before dis assembling 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 An 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 Standard Signal Generator or a Sweep Generator ALWAYS connect a 30 dB to 40 dB attenuator between the transceiver and a Deviation Meter or Spectrum Analyzer when using such test equipment READ the instructions of the test equipment throughly before connecting it to the transceiver Icom Icom Inc and the Icom logo are registered trademarks of Icom Incorporated Japan in Japan the United States the United Kingdom Germany France Spain Russia and or other countries TABLE OF CONTENTS SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 4 1 4 2 4 8 4 4 4 5 5 1 5 2 5 3 5 3 10 SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS ER EUER NO paras ER a 4 1 TRANSMITTER CIRCUITS u uuu uu Nue ee eoa 4 2 FREQUENCY SYNTHESIZER CIRCUITS 4 3 VOLTAGE DIAGRAMS e
47. signal is output from the pin 3 of IC170 The 2nd IF signal is filtered by the external ceramic filter 170 to extract 450 kHz signal only and then applied to the internal quadrature detector to be frequency demodulated The demodulated AF signals are output from the pin 9 The quadrature detector is a frequency demodulator which uses a discriminator X170 as a phase delayer and provides demodulation without any adjustment SQUELCH CIRCUIT A portion of AF signal from the IF demodulate IC is adjusted in level by the D A converter IC190 and then applied to the noise amplifer IC170 R174 R176 C179 C180 Only noise components approximately 30 kHz signal are amplified by the noise amplifier and then rectified by the internal noise detector to be converted into DC voltage corresponding to noise level the squelch voltage The squelch voltage is output from the pin 14 of IC170 and then applied to the A D port of the CPU IC360 33 The CPU 60 compares input voltage and preset squelch level to control audio signals ON OFF emit mute RX AF CIRCUITS The demodulated AF signal from the IF demodulate IC IC170 pin 9 is passed through the AF mute SW IC260D and LPF IC365 The filtered AF signal is de emphasized by R286 and C285 to obtain 6 dB oct of frequency response and then applied to the D A converter IC190 The level adjusted AF signal is amplified by the AF power amplifier IC362 and then
48. t LMV3241PW 1c362 TPA0211DGN vo IN GND SHUTDOWN SE BTL VDD vos BYPASS 0231 KTC811U R361 EXB28V102J eck 4 11 16 11 E EERE DAST PLSTR n 1 1 1 P32 TIO1 33 1050 1150 P34 T051 TI51 1 P20 RXD0 S13 P21 Txnn so3 x P22 SCK3 24 501 25 5 1 01 2 2 2 IRA P03 INTP3 ADTRG 3 4 Ka P05 INTP5 BUZ PCL P10 ANIO P11 ANI1 P12 ANI2 TE 0 1 P13 ANI3 1C340 5 S 24C64CI TB8T1U3 x IC341 A 4 915MHz vec gelt Explanatory notes Al WP 1 31 12 Son p TX Line 0350 yes aus d gt HX Line LDTC144TE lt Line VOL SOL 1 Voltage Line Refer to the PARTS LIST for the value and name of component TX 2 25V BN AN TX 2 62V RX 0 00V MAIN UNIT 2 2 id TX 2 84V BX 2 864 _ 608522 EP3 MPZ 216085221 2

IC-M23/M24 SERVICE MANUAL - R

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