Kenwood TK-868G Service Manual

Also see for TK-868G: Service manual

Contents

21SCHEMATIC DIAGRAM / TK-868GX57-596 (A/2) 1/3TSRQP-tR646.8kR540470pC361000pC81470pR2210R15100kC3470pC2470pR16225p123 45C19 470pR820C21 470pR1970C580.022u47pR51 1kR134.7kR491.5kR10 0C9768u6.3C3001uR78120kC1022p(B)C661000pC13 470pC62100pL3330nCN1 115R2010R6510k1 VIN1VOUT1VOUT2VIN2VDDLDCLKDIVIN3VOUT3VOUT412VIN41324R931kC912p(B)R211kR370C89470p31R7 1kC15 470pC75470pR861.2kL110uTH26.8kR3810kC265470pC350.1uC410.01uC7470pR2410kR47 100C2661uC96470pC16 470pR750C18 470pR89 1 kCN418C4722u16R57470Q6DTC124EKAL4330nR12100k470pR11 1kC2300.1uF11.8AR3210kR9 0R1 0C10470pR112330D4DA204UCN2 134R2020CN531R41220kR943.9kL2330nR871kR330R198100kC6470p D3DA204UR716.8kR3 0R4 150kR586.8kR2 1kR62220k1p13 45R52 1kR9510kC302p2SC4649(N,P)Q7R97100C401000pR53 1kIC3MB15A021 OSCINNC1OSCOUTVPVCCDOGNDLDNC210FIN1120C14 470pR928.2kC270470pR9182k470pD1DA204UC56 22pQ2KRA225SR208101 AOUTA-INA+IN4V-58C540.01uC17 470pD5DA204UR8 1kR791kR77220kC9470pC671uQ1DTD114EKC844.7u6.3R66100R250470pR7018kR6 0R35220kR17150kC4470pC1002p(B)R840SFTDTAUX4MMAFOAUX1MOPLCKAUX1RSSIAFI8C8CMIASQAUX6MIIAUX5ALTSBDASTPLSTAUX4PSWULCNTDTAUX3AUX3AUX2AFOSFTSTCNTCKAUX2PLDTCTODTMFIOEMG/TXSW/NDC SWALTOEMIODEOMII IF SW(WIDE&NARROW)IF SW(WIDE&NARROW)BUFFER AMP5SMIO8C5CRSSISFTDTULCTODASTDTMFIOCNTDTCNTCKSFTSTASQW/NPSWAUX3AUX1AUX4AUX2OEALTSBDEOMO5C8CAFOMIIMIOOECNTCKDASTASQMIODEOAUX2ALTAUX3SFTSTAFO8CSB5CULMIIPSWAUX1CNTDTCTOAUX4MODTMFIOSFTDTDTMFIO5CUL8CSFTSTSBCTODEOPSWCNTCKSFTDTOEAUX6AUX5AMIGNHNCHNCHNC8CL8TCAFI5CTX-RX UNIT (X57-5963-02) (A/2)DC SWASQSFTDTULPLSTPLDTPCLKRSSIASQTOSFTSTDASTCNTDTCNTCKW/NCTODTMFIOMOAFOSBSBPSWAUX3AUX1AUX4AUX2EMG/TXS8CMMMIOEALTDEOMIIMIOGNDESBHORD202DZ20(Y,Z)VOLTAGEREFERENCED2DC SWDC SWC1C8C11C5DEODTCIGNDIMEMIPTTSQEMG/TXSMMAMSURGEABSORPTION8C5SAUX5AUX6NCAUX3AUX1AUX4AUX2ALTAFOAFIMIIMIOGNDX116.8MHzL77-1992-05C234.7u6.3C26470pIC2TA75S01FDC AMP D91SS355DC SWCLKNC3DATALEFCNC4FOUTPNC5RPLL SYNTHESIZER2SC4226(R24)Q9BUFFER AMPBUFFER AMPQ14C1040.047u35C930.047u35C1150.1u35C993.3u16HTCV9C8CLD16DAN235ERF SW(TX/RX)2SC2412KQ8RIPPLEFILTERCF2WIDECF1NARROWD141SS355D11MA742SURGEABSORPTIONNOISE AMP DETECTB+INB-INBOUTV+IC7NJM2904MDC AMPIC6M62363FPD/ACONVERTEROESFTSTAUX5HNCDTMFIOPSWULAMSFTDTIGNCNTCKCTOAUX6PCSB5C8CTV8TCDEORSSIW’/N’MDSURGE ABSORPTIOND3-5OUTVCCIN(-)IN(+)VEER14470kC220.1uC294.7u6.3R26100kR20120kR22470kR290 C311000pC3322pR311.5kR3622kC3215u6.3C390.1uC341uR34100kC44330p10kR3010kR2322kR4622kR39C2310.1u2SK1824Q38AUX4ALTAFOAUX2AUX1AUX3MIIMIOAFIR4247kC204.7u6.3IN(+)VEEIN(-) OUTVCCIC1TA75S01FSUM AMPC244.7u6.3C49 1000pC5268pR1002.2kR98100C95470pC1421pL639nC101470pDAN235E DAN235ED8 D10C61C45 C55L3810nL3910nVIN5VOUT5VOUT6VIN6DOVDArefRESETGNDVIN7VOUT7VOUT8VIN8C370.33uR4368kC68100pC71100pC73100pD42HZU5ALLVOLTAGEDROPR1133.3k2SC4617(R)Q122SA1774(R)Q11CHARGEPUMPQ11,122SC5110(O)Q14Q4DTC114EKADC SW(W/N)Q3DTA114EKADC SW(W/N)CN3E40-3247-05 Q5DTC114EKADC SWR1810kR90100kC103470pR:7.02VT:6.88V7.82VW:0VN:4.86VLOCK:4.83VUN LOCK:0VRXL:1.97VC:4.60VH:7.47VTXL:2.04VC:4.63VH:7.50VR:6.73VT:6.74V4.84V1.60V7.67V2.23V