Kenwood TK-880 Service Manual

Also see for TK-880 series: Programming instructions Instruction manual Instruction manual Instruction manual Instruction manual

Contents

16TK-880/880H SCHEMATIC DIAGRAM7654321A B C D EX57-645 (A/2) 1/4IC300SA7025DK or CD84681 CLOCK2 DATA3 STROBE4 VSS5 RFIN6 RFIN7 VCCP8 REFIN9 RA10 AUXIN11PHA12VSSA13PHI14PHP 15VDDA16RN17RF 18LOCK19TEST20VDDSB GNDLOKSQ2RXD2DEOTXD2TXD1RXD1SQ5CFSWRSSIIC9TA78L05FF2COM3IN1 OUTCN1 12345678D24 MINISMDC07502FCN7123456789101112131415161718192021222324252627282930313233CN431CN231X1L77-1946-0516.8MHzC3131000pC3160.22uC164470pC3150.1uC2 1000pC14 1000pC3171000pC5 1000pC3124pC1751000pC32 22pC211000pC430.01uC1600.1uC31110pC301000pC9 1000pC16710pC8 1000pC3190.1uC12 1000pC350.01uC30918pC1 1000pC271000pC3302pC4 1000pC30710pC15 1000pC3180.1uC3312pC13 1000pC3051000pC4600.1uC7 1000pC3061000pC710.1uC390.01uC165470pC10 1000pC6 1000pC3041000pC330.01uC200.01uC11 1000pC650.1uC3 1000pC321 6pR31310kR401.5kR301 1kR1650R9 0R311270$R167R30056R94 0R3170R31412kR164470kR3191kR4 1kR306470$R18R305 10kR3121kR3152.2kR1700R3 100$R24R4610kR3040R31100kR120R30968kR303 1kR340R6 0R318220R2747k$R13R157 100$R51R3070R32470kR35 22kR302 1kR22100kR3200R3160R26100kR2 0R16180kR7 0R11 1kR31010kR1680R2922$R410R1915kR700R8 1kR1 1k$R5R10 1kR308100R280R1510kR25390k2SC3722K(S)Q3022SC4215-F(Y)Q3002SC2412K(S)Q22SC2412K(S)Q32SC3722K(S)Q301C3036.8u10C41100u16C3410u16C254.7u6.3C37100u16C3140.047u35C164.7u6.3C3222.2u10C234.7u6.3C3202.2u10C3250.22u35C3810u16D3D2D1 D5D35MA742D17D4 D6L110uL302L30322nL30612nL30512n$R84CN331IC1TA75W01FUF12345678IC2TA75W558FU12345678TXD1RXD1LOKSBEHORLOK/DTC/TXS/FSWMMLOK/AMSQPTTMI/TXSME/AMDIIGNAHK/BUSYDEOFSW8CAFO8RW/NAPTTELDRXDKEYMEPSWT/RIGNESOECKCPMIDEOMOSBTOEPDTDTCMMBEEPSBENAHKRSSITXDTX-RX UNIT (X57-6450-XX) (A/2)X57-6450-XXTX-RX UNIT (B/2)CONTROL SECTIOND1-6,17DA204U or HSB123PLL ICDC AMP5V AVROVER CURRENT PROTECTIONPROTECTIONDET AMPCHARGERIPPLE FILTERRIPPLE FILTERBUFFER AMPACTIVEFILTERACTIVEFILTERHTCV9CL8CL8C9CW/NT/RPSWTO8RMOBEEPAFOIGNSB8CCKKEYDTRSSIESENOEDEODI5CPTTHOR5CSQLOKAHKIGNFCME5.10V1.56V5.10V5.13V5.13V8.06V9.59V7.87V8.06V7.15V 8.77V3.73V3.10V9.42VNote : The components marked with a dot (• ) are parts of layer 1.