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Icom Ic706Mk2g Hf/Vhf/Uhf All Mode Tranciever Service Manual
Icom Ic706Mk2g Hf/Vhf/Uhf All Mode Tranciever Service Manual
Here you can view all the pages of manual Icom Ic706Mk2g Hf/Vhf/Uhf All Mode Tranciever Service Manual. The Icom manuals for Communications receiver are available online for free. You can easily download all the documents as PDF.
Page 61
1 11 12 2244 34 33 231100 76 26 50 2575 51 1 5 106 BFO GND P991 TO MAIN J791 P891TO MAIN J281 P681 TO MAIN J551 TO MAIN J1431 AFI AFIE AFOE AFO 14V FSKKIMSTDINTAAF8V AFBPH5V PDST PCK CON1PBST MLLV AFGC DSPS HV 14V DDTICK GND POWS8V DRES CON2 PDT CON0PCE SPS 5V UL J254 1 29 302 TO MAIN J1381 GND DSPS ICK IMST DRES GND GND 5V DDT DINT J2531 9 2 10TO OPTIONAL UNIT UT-106J252 2MBL 8V THER 14V GND POWS ESPE ESPO HV 8V GND 14V 14V GND ESPE ESPO 15 1 2 16TO PA UNIT J621 • PLL UNIT (TOP VIEW) 8-3 PLL UNIT 8 - 9
Page 63
RTTY REMOTE KEY 8VM MAFM MCEM GNDU/DM SENM MICM SQSM 17 28 J11 TO MIC CIVEBDT KEY DOTCIV FSKK BAND DASH EALCPTTP SQLS8VU/D GNDAAF AFO DOUT AMODT8VDINTO MAIN UNIT J4611 19 2 20 J9 L2 L4 L6 GNDL1 L3 L5 L7 HREFGND14V AT13HFORSDSS14V 14V MICE SNDSRMIC SENDTO MAIN BOARD J4311 19 2 20 J12 P1 (HRX) TO MAIN BOARD J101 P2 (HPAO) TO PA UNIT J172DATA ACC 1 4 8 5 AFOUT PTTP DIN 351 462 J14 AAF DOUT 1 2 3 4 5 6 7 8 9 10 11 12 13 J5 BOTA SENO1 138A SENO2 AFA MODA SQSA8VA GND 1 2 4 3 8 7 12 11 13 10 6 9 5 B A N A K E...
Page 65
9 - 1 SECTION 9 BLOCK DIAGRAM IC571 µPC2713T NB GETEGATE CTRL WAVE CTRLDRIVE CTRL NB SWNB DETWFM DET AGC CTRL IF AMP R8V AGC ATT D572 ATT D572 TX TOTAL GAIN R579 RV-143 XTAL BPF BPF LPF CERAMIC BPF IF AMP N DATA N DATAN DATA XTAL BPF XTAL BPF XTAL BPF XTAL BPF RFGC AFMS WFAF SSAF AMAF FMAF MICVOXL AVXL CTCV DASH DOT UL DIMMER CTRL D ATA ALC WCNT Q573 2SC4081Q572 2SC4081 DRIVD561 MA862 D562 MA862FI561 FL-23 9.0115 MHz Q636 DTA114EE UL NBS Q634 2SC4081 Q635 DTC114E D632 1SS375 Q632 2SK882 IC631...
Page 66
SECTION 10 VOLTAGE DIAGRAM Á ÁFRONT UNIT PC3/AN11 AVSS TEST X2 X1 VSS OSC1 OSC2 RES MD0 P20/IRQ4/ADTRG P21/UD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 P22 P23 P24 P25 P26 P27 P30/SCK1 P31/SI1 P32/SO1 P33/SCK2 P34/SI2 P35/SO2 P36/STRB P37/CS VSS V3 V2 V1 VCC...
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GND GND GND THH L4H L6H PA2S GND SRF SRF GND GND T8V B7H L5H L3H L2H GND SIF SIF D192 MA2S077 L196 0.12uH C199 15p C198 39p C200 39p C197 0.01 L195 LR-317 R195 47R191 220k C191 0.0047 R194 1 L194 2.2uH Q191 2SK2171 L193 0.33uH C196 0.01 R193 150C195 33p L192 0.22uHC194 180pC193 56p L191 10uHL197 47nH D191 MA2S077R192 47 C192 0.01 D172 MA2S077L176 10uH R172 100 C182 0.01C180 330p L175 0.15uH C179 0.01C181 82pC178 68p L174 0.27uH C177 120p C175 24p L173 82nH C176 150p C174 150p C172 39p L172 68nH C173 75p...
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Á ÁMAIN UNIT J401 PA J651R8V T8V ICH ICL AT13 VFOR UFOR VREF UREF GND L8 L9 KEY STRT PR3S PR4S TB1V TB2V TB3V TB4V CP401 C401 0.0047 C402 0.0047 CP402 CP403 C403 0.0047 C404 0.0047 CP404 CP405 C414 470p CP406 C415 470p CP407 CP408 CP409 C405 0.0047 CP410 C406 0.0047 CP411 CP412 C407 0.0047 C417 0.0047 CP413 CP414 CP415 C408 0.0047 C409 0.0047 CP416 CP417 C410 0.0047 C411 0.0047 CP418 CP419 C412...
Page 69
MAIN UNIT (2) 14V 8V 5V R8V T8V AMS8 WFMB AGC ALC L1 L2 L3 L4 L5 L6 L7 L8 L9 B0 B7 B7W BHF 1F15 ATTS PR1S PR2S PR3S PR4S TB1V TB2V TB3V TB4V SQLS VFOR UFOR HREF VREF KEY STRT CIV CIVE FSKK DASH DOT U/D BAND DIN DOUT MIC MICE AMOD AFO AAF EALC SNOSR SEND SDSS PTTP ICH ICL WFAF 2IF WCNT GND UREF UL BDT HFOR NBS J1431 J1381 PLL J254 CP1381 CP1382 CP1383 CP1384 CP1385 CP1386 CP1387 CP1388 CP1389 CP1390 CP1391 CP1392 CP1393 CP1394 CP1395 HV 14V 14V FSKK DDT IMST IDS DINT GND AAF POWS 8V 8V AFBP UL DSPS 5V...
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MAIN UNIT (4)AMS8 AMS H5V HV 14V WFM8 R8V T8V FMS8 8V 5V L1 L2 L3 L4 L5 L6 L7 L8 L9 B0 B7 B7W BHF IDS 1F15 2F23 2FB0 2FTH OP1 OP2 RXS ATTS PR1S PR2S PR3S PR4S TB1V TB2V TB3V TB4V RFGV AGFS AFGC AFMS AFS1 AFS2 SQL SQLS NBS CTCV NSQL AVXL VOXL COMS MIGV MINH MODS DRIV POCV KDS8 TIFS ETON TONE ALCL FORL REFL SML LRXD LTXD MCK MDT IFST ICK DDT DINT DSPS IMST CON0 CON1 CON2 DRES PBST PCE PCK PDST PDT MLLV UL BDT KEY STRT CIV CIVE SPCH BEEP DASH DOT U/D BANV SPS POWS PWK SEND SDSS PTTP 0VDV D95S SNDSR GND 14V...