Wednesday, February 18, 2015

PANASONIC TC-20G12P - TC-29G12P - TC29G12PU SERVICE MODE AND SCHEMATIC DIAGRAM

PANASONIC TC-20G12P - TC-29G12P - TC29G12PU 

CRT TV


SERVICE MODE AND SCHEMATIC DIAGRAM 

SERVICE MODE
HOW TO ENTER INTO SERVICE MODE:
1. Switch to CATV and set the 124 CATV c h a n n e l .
2 . Adjust minimum volume with t e Vol(--) button.
3. Adjust SLEEP function to 30 and press the button Vol(--) on the TV panel.
4. To alter among CHQ
s (B0C0S0M0), press POWER.
5. To alter among DAC
s (B0B1... and C0C1...), press CH(+) or CH(--) and to alter the values press VOL(+) or Vol(--).
6. To get access to contents of directions of the memory address shows bellow, set DAC
S 0 and press MUTE button on the remote control, for about 3 sec.
TO EXIT SERVICE MODE:
1. Press ACTION and POWER button simultaneously, on the TV panel , for about 3 sec.
RESET: Press simultaneously ACTION and POWER button for about 5 sec. All programming done (clock, color, color system through channels or signal ) will be cover for the original factory adjustments.
INITIAL DATA RECORDING IN THE MEMORY (EEPROM)
1. Initial data must be recording before IC memory installation in the circuit board .
2 . The data of A0 address , is individual for each model . The data of A2 and A4 are common to all models.
SCHEMATIC DIAGRAM 
CLICK ON THE IMAGE TO ZOOM IN