Panasonic TC-20B12, TC-14A12P service manual IC601 Pins and Functions, Nome Descrição

Page 16

TC-14A12P / TC-20B12

IC601 - Pins and Functions

Nome

Descrição

P1.3/T1

1

port 1.3 or Counter/Timer 1 input

 

 

 

P1.6/SCL

2

port 1.6 or I 2 C-bus clock line

 

 

 

P1.7/SDA

3

port 1.7 or I 2 C-bus data line

 

 

 

P2.0/TPWM

4

port 2.0 or Tuning PWM output

 

 

 

P3.0/ADC0/PWM0

5

port 3.0 or ADC0 input or PWM0 output

 

 

 

P3.1/ADC1/PWM1

6

port 3.1 or ADC1 input or PWM1 output

 

 

 

P3.2/ADC2/PWM2

7

port 3.2 or ADC2 input or PWM2 output

 

 

 

P3.3/ADC3/PWM3

8

port 3.3 or ADC3 input or PWM3 output

 

 

 

VSSC/P

9

digital ground for m-Controller core and periphery

 

 

 

P0.5

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-processor

 

 

 

SECPLL

13

SECAM PLL decoupling

 

 

 

VP2

14

2 nd supply voltage TV-processor (+8V)

 

 

 

DECDIG

15

decoupling digital supply of TV-processor

 

 

 

PH2LF

16

phase-2 filter

 

 

 

PH1LF

17

phase-1 filter

 

 

 

GND3

18

ground 3 for TV-processor

 

 

 

DECBG

19

bandgap decoupling

 

 

 

AVL/EWD (1)

20

Automatic Volume Levelling /East-West drive output

 

 

 

VDRB

21

vertical drive B output

 

 

 

VDRA

22

vertical drive A output

 

 

 

IFIN1

23

IF input 1

 

 

 

IFIN2

24

IF input 2

 

 

 

IREF

25

reference current input

 

 

 

VSC

26

vertical sawtooth capacitor

 

 

 

TUNERAGC

27

tuner AGC output

 

 

 

AUDEEM/SIFIN1 (1)

28

audio deemphasis or SIF input 1

 

 

 

DECSDEM/SIFIN2 (1)

29

decoupling sound demodulator or SIF input 2

 

 

 

GND2

30

ground 2 for TV processor

 

 

 

SNDPLL/SIFAGC (1)

31

narrow band PLL filter /AGC sound IF

 

 

 

AVL/SNDIF/REF0/

32

Automatic Volume Levelling / sound IF input / subcarrier reference output /AM output

AMOUT (1)

 

(non controlled)

 

 

 

HOUT

33

horizontal output

 

 

 

FBISO

34

flyback input/sandcastle output

 

 

 

AUDEXT/

35

external audio input /QSS intercarrier out /AM audio output (non controlled)

QSSO/AMOUT (1)

 

 

 

 

 

EHTO

36

EHT/overvoltage protection input

 

 

 

PLLIF

37

IF-PLL loop filter

 

 

 

IFVO/SVO

38

IF video output / selected CVBS output

 

 

 

VP1

39

main supply voltage TV-processor (+8 V)

 

 

 

CVBSINT

40

internal CVBS input

 

 

 

GND1

41

ground 1 for TV-processor

 

 

 

CVBS/Y

42

external CVBS/Y input

 

 

 

CHROMA

43

chrominance input (SVHS)

 

 

 

AUDOUT /AMOUT (1)

44

audio output /AM audio output (volume controlled)

 

 

 

INSSW2

45

2 nd RGB / YUV insertion input

 

 

 

R2/VIN

46

2 nd R input / V (R-Y) input

 

 

 

G2/YIN

47

2 nd G input / Y input

 

 

 

B2/UIN

48

2 nd B input / U (B-Y) input

 

 

 

BCLIN

49

beam current limiter input / (V-guard input, note 2)

 

 

 

- 16 -

Image 16
Contents TC-14A12P TC-20B12 Contents Front view Operation GuideBack view Installing the Batteries Location of Controls Remote ControlBattery replacement precautions Connection Installation Operation of TV ControlsOutdoor Antenna Connection General Operation Picture Menu Button Tune ButtonMain Menu Button WAKE-UP ButtonMain Menu List Tuning ProceduresChannel Selection Channel Selection Mode Antenna ModeOperation Channel CapabilityManual Tuning Mode Auto Tuning ModeManual Tune Fine Tuning Mode Channel Skip ModeGuide Channe LSupplementary Remote Control Operations Color System ModePicture Menu Important NoteFeatures Menu Sound MenuTroubleshooting Chart Hotel ModeCc on Mute Mute/Closed Caption No Ö C1 LanguageIC601 TDA9381PS/N2/3 Pins and Functions IC601 Pins and Functions Nome DescriçãoIC601 / IC451 Voltage Table VddpIC601 Block Diagram Configuration General SummaryService Adjustments and Calibrations Test Equipment Ntsc SUB-TINT Calibration White Quality Calibration CRT CenterCRT CUT OFF Calibration Color Purity Adjustment Convergence Calibration Power Source Voltages Main Board Schematic Diagram TC-14A12P / TC-20B12 CRT Board Schematic Diagram Main Board Conductor View left / component side Main Board Conductor View right / component side Main Board Conductor View left / foil side Main Board Conductor View right / foil side Waveform TNR001 IC801 Parts Location Packing and Acessories Replacement Mechanical Parts List TC-20B12 TC-14A12PReplacement Electrical Parts List MTZJT-7716A MTZJT-7730DMA152KTX Diodo Chaveamento SMD Diodo ChaveamentoTransistor DE Potência NPN 2SB792ATX Transistor SMD PNP 0,2 WTransistor DE Potencia ERG3FJ822HERQ12HKR68P ERQ12HJ1R5PERQ12HKR82P ERDS1TJ223TPage CS Group Technical Support