Kenwood KRC-31Y Service Manual

Also see for KRC-36: Instruction manual Service manual Service manual

Contents

ONMLK12345674.7K4.7K47K10K22K22K22K22K0V5V0V0V5V5.0V0V5V2.3V2.3V0V5.0V0V0V5.0V0V5.0V0V0V5V0V5V5V0V0V5V5V0V5V0V0V0V5V0V5V 5V0V0V5V5V0V5V0V5V0V5V0V5V0V0V5V5V0V0V5V5V0VREV : 0VFWD : 5.0V0V5V0V5V5V0V5V0V0V5.0V0V5V0V5.0V5.1V14.1V10.4V5V0V0V8.0V8.3V0V13.8V14.4V8.3V5V2.5V∗A1∗IC1IC6IC12IC11AIC7D252D253Q224Q223PRE OUTJ5J3Q151SYSTEMu-COM5V SWD157D161D153D159PANEL5V SWMUTEPREOUTD160∗Q301EEPRONQ50∗ CRESETD101Q1P.CON.DETECTIONRDS DECODERLOCALSEEK SW2/2X16-J1(E30-4933-05)ANTWH1D154POWERSUPPLYL RR258 100R259 22K270R224 R232100100R231R223270 10u16C223R22730KR22830K10u16C224+ C225RRRL123456789101112131415161718192021222324RF GNDFM ANTAM ANTFM+BAM+BFM LO/DXK2I-VTHVCO-GNDFM SD OUTFSD OUTFM DET OUTAM DET OUTCOMMON+BIF GNDHI UP ADJPLL CEPLL DATAPLL CLKP-ON 5VDIG GNDIF SELECTREQUESTRDS OUT52mHL30110118+100u10C3040.01C3051330R3053.3123456789101112131415ILL GNDD GNDL RSTSW5VLAMP +BLED +BL DATA SL CLKL CEL DATA LVDDRSTREMOPANEL SWESD GNDR153 1KR161 1KR154 1KR158 470R156 1KR157 1KR159 1KR162 47122616111334+R160 1005P1R155 100.01C3030.01C302100u10C301+4.7uHL303L304 4.7uH12R303R304 4.7∗C308 0.01104.7uHL30529L3064.7uHC30610u160.01+C307AM LO/DXCP101 1K72717069686766656463626160595857565554535251504948474645444342413031323334353637383940XT1XT2ICX1X2VDD 1VSS 0KEY-REQPACK-INCH-REQ CR-CLKREMORESETSUB-SUB+FWD/REVEQ-MUTEMS-CONTMUSICSW5VEN1EN3BEEPEN2-0EN2-1CH-REQ HCH-CONTP.CON-DETSDAFSLO/DXVSS 1P-MUTESVRGNDIC2-SCLIC2-SDAMUTEP-STBY12345678QUALRDDAVREFMPXOSELGNDARIFIL OUT161514131211109RDCKT57OSCOOSCIVCCEXTRESTMTSEL10PC35610PC355932C354 0.01C353 10u6.3+R354330PC35210u6.3+C351CP3152.2K10CP1041KR132 1K5859575655545352514850R14510K4442R1444.7KCP102 1KCP103 10K22KR1231234 VSS8765VCCWPSCLSDA4.7uHL101R122 10KR120 10K3738X16.8KR138C10515PC104 15P4.19MHzR1352.2KR1362.2M6162R137 4.7K4039353447KR512.2KR50531415622.2KR353X23032R116 4.7KR117 4.7K∗R118 2.2K2134100K0.1C101 100u6.3+C102 0.0163C103R101C2120KR3100KR44.7KR1294.332MHz0.01+5V+B+B+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+B+5V+5V+5V+5V+5V +5V+5VMTMUTRST0.0164RSTRST VCC52C5210u16C5110u16+10u16VP1++5V+BU.5V13C55+ C56100u1611 ILLUM12EN110+AUDIOGND89AM+B710u35+C5015148P.ANTFM+BEN3456P.CONEN22310u50C5410u16+C53+10.4V+10.4V+10.4V+10.4V+8V+8V+8V+8V+8V+8V+8V+8V+8V+8V+8V+8V+5V+B+B+5V+BKRC-31Y/36/366L/37/Y/391/394/Y/466R/4904Y (1/2)