Kenwood KRF-V9992D Service Manual

Also see for KRF-V9992D: User guide Operating manual Connection and setup guide Service manual

Contents

AY BA BC BEAZ BB BD BF BG BHIC53(3/3)CN12IC54(3/6) (4/6)IC54 (5/6)IC54IC53(1/3)IC54(6/6)IC54(1/6)(2/6)IC54(1/2)IC76IC76(2/2)(2/2)IC80IC80(1/2)(1/2)IC78(2/2)IC78DTSDIGITALDOLBY(AC-3)SRAM ROM1M DRAM5V AVRCN16Q57 D72Q55REP.DRIVE38-54KHzFILTERCONTROLSYSTEMTEXTSL16IC53(2/3)FLchCENTERchSLchFRchSUB WOFFERchSRchJ17J16J15DISBUFFERBUFFER21KHz LPF21KHz LPF80KHz LPF21KHz LPF2827262524232221201918171615VCCWEA13A8A9A11OEA10CSD8D7D6D5D41234567891011121314A14A12A7A6A5A4A3A2A1A0D1D2D3VSS32313029282726252423222120191817VCCWENCA14A13A8A9A11OEA10CED7D6D5D4D312345678910111213141516NCA16A15A12A7A6A5A4A3A2A1A0D0D1D2VSS10987654321VCCA3A2A1A0NCRASWED2D111121314151617181920A4A5A6A7A8OECASD3D4VSS20191817161514131211109876543214142434445464748495051525354555657585960MA4MA5MA6VCCAMA7GNDAMA8MA9MA10MA11GNDQVCCQGNDAMA12VCCAMA13MA14MA15MCSOGNDAMOSSSHREQGNDSSDO2SDO1SDO0VCCSSCKTWSTSCKRGNDQVCCQGNDSWSRSDI1SDI0DSODSIDSCK21222324252627282930313233343536373839408079787776757473727170696867666564636261GNDAMA3MA2MA1MA0SCK/SCLEXTALVCCQGNDQPINITGNDPPCAPVCCPGNDSMISO/SDARESMODAMODBMODCVCCSMCASMRASMWRMRDGPI00GPI01GPI02GPI03GNDDMD0VCCDMD1MD2MD3GNDDMD4MD5MD6MD7DRMA8SDO0PINIT38MODCVCCSMODB4039GNDSSDO2SDO1MOSHREQ414342 SS47454644GNDPVCCPPCAPRESMISO/SDAMODAGNDS3736353433323123 MA2MA1MA0SCK/SCLGNDQVCCQEXTAL30292827262524MA3GNDA2122VCCAMA7GNDAMA4MA5MA620181916171415MD0WSRGNDQVCCQGNDSVCCSSCKTSCKR51494850 WST55535254DSCKSDI1SDI0DSODSI5756585960DRMD7MD6MD3MD5MD4GNDDMD1MD2VCCD63616264656667686970GPI03GNDDGPI02GPI00GPI01MWRMRDVCCAVCCQGNDAMA12MA9MA10MA11GNDQ121310118967GNDAMA13MA14MA15MCSOMCASMRAS453217871727374757677807978252423227720766765646362125477111314646362736765316181972324252022696871801819121614137175411696820181619131211147345C504C503 0.1C505 0.1222324250.1C8571000PC8580.1C502C50180787776737169686765646362R954 10KR955 10KR844 10K0.1C520R953 10KR959 10KR958 10KR957 10KR956 10KR501 470C5060.10.011000P8200PC510C5070.11000PC508C5090.1R50210KR504C51122P0.1C513C5140.1R50933053R505R506620.01C8524 8R5156867787977807169252423228079787771696867222324250.1C5290.1C5320.1C5301000PC531R5188200PC533R519 10KC5360.1R525 330R526 3300.1C537R523 47KR522 1K1710KR534C5270.1C5260.10.1C5280.1C543OUT2.7 1/4WR516C5170.01C518100u10GNDIN+0.1C7540.1C879C515C516100u100.01L12+L11L28L27C8950.165 7123R9352K 47u25+R4151.8K R4171.2KC427 390PR423100R421 5.6KR422 5.6K100R424C428 390P2KR936 47u25C420+ 1.8KR416 R4181.2KC419100KR414100KR413C4216800PC4226800P8200PC4258200PC42684C437 0.01C438 150PC460 150P100KR4340.018C4441.2K+R938180 C442 R4361u504C4460.0332.4K23R438R4441 100 C459 0.01C4438200PR433100K R441 30K1.2K1u501.3K+R937 R435C441 8 R443820 56 7 100C4452700PR43716KR439R44015KR442 15KC450 100PC449 33PC4480.033 3900PC4471R454820C4682700P+1u501.3K1.2KR45243 16KR455C470100KR450C4668200PC464R9403900PC482 150PR456R458 30K2 R460100C472 33P16KC469R4538208200PC465100KR449+C4631u50R9391.3K R4511.2KC471 33PR457 30K3900PC481 0.01865 R4591007C4672700P222124232625123456789101112131415SRGNDSLGNDSWS MUTECGNDFRGNDFLSW MUTE-20dB ATTA MUTEB MUTE56981110C86422PC86522PC86322P13 123 47141X24MHzR5171MC52256P56PC52320.1C52112345678912VRELAY CONT2GNDRELAY CONT1GNDREP OUTIR-INIR OUTTV SENSOR123456789R7971KR988100mHL701C5920.082R800 2.2K100C882C88347P47P12167817777634330220R50887651161863R921 2.2KR922 2.2KR923 2.2KR924 2.2K47K1K8017790.1C868649912971495+BR532 2200.1C870100R52122PC534100470L50L51W6W5L56L57330R997L52L58L59L53L55L540.027C9500.027C951+B47PC92847PC927C929L63L64C94822P47u25C954+47u25C953++B+B+B+B+B+B+B+B+B +B+B+B +B+B+B+B+B+B+B+B+B+B+B+B+B+B+B +B+B+B+B+B+B+B+B+B+B+B +B+B+B+B+B+B+B+B+B+B+B+B +B+B+B+B+B+B+B+BBBBBBBB+B+BB+B +B+B+B+B+B+B+B+12V+12V5.0V5.0V5.0V2.5V2.5V2.5V5.0V2.5V5.0V2.5V2.5V2.5V2.5V2.5V2.5V5.0V2.5V2.8V2.6V2.5V2.5V2.5V2.5V2.5V2.5V2.5V4.2V5.0V5.0V2.8V4.2V2.5V5.0V0V2.5V2.5V2.5V2.5V2.5V2.5V2.5V2.5V2.5V2.8V5.0V2.5V2.5V2.5V2.5V2.5V2.5V2.5V2.5V4.9V5.0V2.5V2.5V2.5V2.5V2.5V2.5V2.5V2.6V2.8V2.8V4.2V5.0V5.0V5.0V2.5V2.5V2.5V4.9V0V2.5V5.0V0.6V5.0V0V5.0V5.0V5.0V0V5.0V0V2.5V2.5V2.4V5.0V2.5V5.0V5.0V5.0V1.5V2.4V2.4V2.5V2.4V5.0V5.0V5.0V2.5V0VDTS ON:5.0VDTS OFF:0V5.0V2.5V2.5V2.5V2.5V2.5V2.5V2.5V5.0V5.0V2.5V 2.5V 2.5V2.4V5.0V5.0V5.0V5.0V0V5.0V0.6V5.0V0V5.0V2.5V5.0V5.0V0V5.0V0V5.0V2.4V2.5V2.4V5.0V2.5V1.5V1.1V1.5V5.0V5.0V5.0V5.0V5.0V0.4V5.0V0.4V0.4V0.4V5.0V5.0V5.0V5.0V5.0V5.0V5.0V5.0V5.0V5.0V5.0V5.0V0.4V0.4V5.0V5.0V5.0V0.4V0.4V16.3V-16.5V16.3V16.3V-16.5V-16.5V7.1V14.1V5.1V 0VIC86 IC87IC55IC52IC56IC73(X08-285X-XX)CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer toparts list). indicates safety critical components. For continued protection against risk of fire, replace only with same typeand rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.