Kenwood TH-K20A Service Manual

Also see for TH-K20A: Manual Instruction manual

2SC5383-T111IC400IC307IF SYSTEMAVR38.85MHzQ1AMPBR255640FV1-WANTBUFFXF200Q101D103-D105RN1425450kHzBPFTA7368FGMCUQ4CLKFILTER ANT SWRFHVC350BPLL SYSTEM3SK318IC3065RCURRENTLCD/KEY BACKLIGHTQ202MIXERQ203FILTER2SC4926YD2SC5108(Y)FHVC350BD203TX/RXQ25RSW38.4MHzQ204MUTESWQ201IC304XC6209B502P-GTUNESHIFTEEPROM5RTUNER5F2L3ACCKEKABPF2SK3577-AAMPCF200Q3FINAL5TDRIVEIC1AF POWER AMPD200,D201,D204IC401MCFD101,D102HVC131MB15A02PFV2E1RIPPLE5TLDKTC4080E-PDOUBLERDATLOOPTHREM5CRFM01U7P5RSPQ1021st Local frequency174.850~212.845MHz(K,M,E)VCO oscillation frequencyRX: 174.850~212.845MHz(K,M,E)TX: 136.000~173.995MHz (M)144.000~147.995MHz (K)RX: 136.000~173.995MHz (K,M,E)144.000~145.995MHz (E)TX: 136.000~173.995MHz (M)144.000~147.995MHz (K)SWRF BPFIF5CHSC277EXT19.2MHz3SK3185VVCORF BPF5RPLLEPLPSTX-RX UNIT (X57-821x-xx )MCH3914(7)-HCLKX1IC200DC SWSSM6J08FU(F)Q306RSSISQLMIC AMPTA31136FMGAMPPREDRIVED7,D8AMPRSSISSM3J05FU-FV REF/L77-1944-05L71-0669-05L72-1042-055TLSDOTCXO11.0592MHzL78-2974-05X4002SC4617(R)Q402D414,D415 B30-2261-0512A02CHQ401LAMPXINXOUT+B5VCDC SWQ200TH101DA2S101D6D3HSC2775CKTC4080E-PSQLLTA023JEBFS85MIC301NJM12904RB1LIMITERMIC AMP5CCONV.D/A5MSCONV.D/AFILTERAFIC303NJM12904RB1LSDISW BSFTQ4002SC4919-SWID/NARRESETEXPTTBATTLEDGINPTTE2PINE2PCSLEDRPLLEDATCLKENC2ENC15MSC5RC5TC5CCPLLDLSDI5M2nd Local19.2MHzQ52SC5636RFAMPRD07MUS2BT112Q103AMPSHIFTLPFCDCD200L79-1474-05LTC014EEBFS85CMICINTSPMUTESWSBQ303MUTESWQ305LTC044EEBFS8F301Q302SPMQ301INT2SK3577-ADC SWDC SWD1,D21SV325FD4HVC350BMODCONV.D/AD5HVC350BASSIST144.000~145.995MHz (E)LTC044EEBFS80.315AVOLOUTMICSPGTXDSPKAFOPTT/RXDMICIM5MSJ301E11-0717-05J300E11-0484-05MIC300T91-0673-05D/AIC300(1/8)CONV.R2A20178NPIC300(5/8)R2A20178NPIC300(6/8)R2A20178NPIC300(3/8)R2A20178NPIC300(2/8)R2A20178NPNJM12904RB1DC SW5MSFILTERQT/DQTIC302NJM12904RB1CN300AFOCONV.D/AVOX DETVOXMODD300KDR731Q6INVERTLTC014EEBFS8 PLLDVOLIN5MSFREQCONV.D/A5MSBPFCONV.D/A5MSPOWCVDC SWQ104LTC014EEBFS8VDCSWF1010.5AIC300(7/8)R2A20178NPIC300(8/8)R2A20178NP-tCURRENTTHREM5MSB30-1782-05Q403D426(GRN)LEDGLTC014EEBFS8LTC014EEBFS85MSDCSWB30-1779-05Q404D427(RED)LEDR3.3VREGQ72SC5383-T111DCSWDCSW DCSWSBDATAPROTECTSBD301GN1GBATT+7.5VVOLIN+BVR300R31-0684-05PROTECTD302RB521S-30VOLOUTBATT-F3003.15A SBRESETIC305XC6120N302N-GRESETQ3045MS5MSC5MDC SWLTA023JEBFS8Q3075R5RCHSDOHSDOS419W02-3766-05 ENC1LCD B38-0939-05D416~D425 B30-2337-05COM0~COM3,SEG0~SEG31KEY MATRIXLTA023JEBFS8Q3005MS5MSWIID/NARVDCSWHSDOMATRIXDC SWD404~D4071SS388D408~D411MA2S111-FDIODEAVRIC308XC6209B502P-G5VPROTECTD304RB521S-30 SSM3J05FU-FQ3085T5TC5C5CCDC SWBATTVOXSPMENC2INPTTMONS418S417KEYI1~KEYI4,KEYIS,KEYITKEYO1~KEYO45RMICEXT5MSEXPTTMONENCVOL/PSWPTTMONITXBUSY

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