Panasonic TC-14A12P Service Manual

Contents

Panasonic TC-14A12P Service Manual Manual pdf 16 page image

TC-14A12P / TC-20B12- 16 -IC601 - Pins and FunctionsP1.3/T1 1 port 1.3 or Counter/Timer 1 inputP1.6/SCL 2 port 1.6 or I 2 C-bus clock lineP1.7/SDA 3 port 1.7 or I 2 C-bus data lineP2.0/TPWM 4 port 2.0 or Tuning PWM outputP3.0/ADC0/PWM0 5 port 3.0 or ADC0 input or PWM0 outputP3.1/ADC1/PWM1 6 port 3.1 or ADC1 input or PWM1 outputP3.2/ADC2/PWM2 7 port 3.2 or ADC2 input or PWM2 outputP3.3/ADC3/PWM3 8 port 3.3 or ADC3 input or PWM3 outputVSSC/P 9 digital ground for m-Controller core and peripheryP0.5 10 port 0.5 (8 mA current sinking capability for direct drive of LEDs)P0.6 11 port 0.6 (8 mA current sinking capability for direct drive of LEDs)VSSA 12 analog ground of Teletext decoder and digital ground of TV-processorSECPLL 13 SECAM PLL decouplingVP2 14 2 nd supply voltage TV-processor (+8V)DECDIG 15 decoupling digital supply of TV-processorPH2LF 16 phase-2 filterPH1LF 17 phase-1 filterGND3 18 ground 3 for TV-processorDECBG 19 bandgap decouplingAVL/EWD (1) 20 Automatic Volume Levelling /East-West drive outputVDRB 21 vertical drive B outputVDRA 22 vertical drive A outputIFIN1 23 IF input 1IFIN2 24 IF input 2IREF 25 reference current inputVSC 26 vertical sawtooth capacitorTUNERAGC 27 tuner AGC outputAUDEEM/SIFIN1 (1) 28 audio deemphasis or SIF input 1DECSDEM/SIFIN2 (1) 29 decoupling sound demodulator or SIF input 2GND2 30 ground 2 for TV processorSNDPLL/SIFAGC (1) 31 narrow band PLL filter /AGC sound IFAVL/SNDIF/REF0/ 32 Automatic Volume Levelling / sound IF input / subcarrier reference output /AM outputAMOUT (1) (non controlled)HOUT 33 horizontal outputFBISO 34 flyback input/sandcastle outputAUDEXT/ 35 external audio input /QSS intercarrier out /AM audio output (non controlled)QSSO/AMOUT (1)EHTO 36 EHT/overvoltage protection inputPLLIF 37 IF-PLL loop filterIFVO/SVO 38 IF video output / selected CVBS outputVP1 39 main supply voltage TV-processor (+8 V)CVBSINT 40 internal CVBS inputGND1 41 ground 1 for TV-processorCVBS/Y 42 external CVBS/Y inputCHROMA 43 chrominance input (SVHS)AUDOUT /AMOUT (1) 44 audio output /AM audio output (volume controlled)INSSW2 45 2 nd RGB / YUV insertion inputR2/VIN 46 2 nd R input / V (R-Y) inputG2/YIN 47 2 nd G input / Y inputB2/UIN 48 2 nd B input / U (B-Y) inputBCLIN 49 beam current limiter input / (V-guard input, note 2)Nome Nº Descrição