Panasonic TC-20KL05P Service Manual

Contents

Panasonic TC-20KL05P Service Manual Manual pdf 5 page image

- 5 -TC-20KL05PP3.1/ADC1 1 port 3.1 or ADC1 inputP3.2/ADC2 2 port 3.2 or ADC2 inputP3.3/ADC3 3 port 3.3 or ADC3 inputVSSC/P 4 digital ground for m-Controller core and peripheryP0.5 5 port 0.5 (8 mA current sinking capability for direct drive of LEDs)P0.6/CVBSTD 6 port 0.6 (8 mA current sinking capability for direct drive of LEDs) or Composite video input. A positive-goingVSSA 7 digital ground of TV-processorSECPLL 8 SECAM PLL decouplingVP2 9 2nd supply voltage TV-processor (+8V)DECDIG 10 supply voltage decoupling of digital circuit of TV-processorPH2LF 11 phase-2 filterPH1LF 12 phase-1 filterGND3 13 ground 3 for TV-processorDECBG 14 bandgap decouplingAVL 15 Automatic volume levellingVDRB 16 vertical drive B outputVDRA 17 vertical drive A outputIFIN1 18 IF input 1IFIN2 19 IF input 2IREF 20 reference current inputVSC 21 vertical sawtooth capacitorAGCOUT 22 tuner AGC outputNC 23 Not connectedNC 24 Not connectedGND2 25 ground 2 for TV processorSNDPLL 26 narrow band PLL filterIC 27 Inter nally connectedAUDIO2 28 audio 2 inputAUDIO3 29 audio 3 inputHOUT 30 horizontal outputFBISO 31 flyback input/sandcastle outputDECSDEM 32 decoupling sound demodulatorAUDEEM 33 Deemphasis (front-end audio out)EHTO 34 EHT/overvoltage protection inputPLLIF 35 IF-PLL loop filterIC 36 Internally connectedIC 37 Internally connectedIFVO/SVO 38 IF video output / selected CVBS outputVP1 39 main supply voltage TV processorCVBS1 40 internal CVBS inputGND 41 ground for TV processorCVBS2 42 external CVBS2 inputGND 43 ground for TV-processorCVBS3/Y 44 CVBS3/Y inputC 45 chroma inputWHSTR 46 white stretch capacitorCVBSO 47 CVBS outputAUDOUT 48 Audio outputNC 49 Not connectedINSSW2 50 2nd RGB / YUV insertion inputR2/VIN 51 2nd R input / V (R-Y) input / PR inputG2/YIN 52 2nd G input / Y inputB2/UIN 53 2nd B input / U (B-Y) input / PB inputBCLIN 54 beam current limiter inputBLKIN 55 black current input / V-guard inputRO 56 Red outputGO 57 Green outputBO 58 Blue outputVDDA 59 analog supply of Teletext decoder and digital supply of TV-processor (3.3 V)Symbol Pin DescriptionIC601 - PINOUT