Panasonic TC-26LX20 Technical Manual page 45

The Unit Does Not Play Video from Disc
Check to see if there is an Input
signal on the TV Screen.
OK
Check the power supply to the
DVD RAM Drive. Pin1 should be
5Volts, and Pin 4 12Volts o
connector PAP7 on the
Board.
OK
Check connector P7402 on the
RD Board. Chroma out Pin 18
Luminance out Pin 22: Pin 26
G/Y out pin 26
B/PB ou t Pin 34
R/P R out Pin 30
OK
Check connector PA12 on the A.
board for video.
Pin 1: Y IN
Pin 3: C IN
Pin 5: PY IN
Pin 7: PB IN
Pin 9: PR IN
OK
Continued on next page
NG
NG
n
AP
NG
NG
40
.
There is problem in
TV circuit.
Perform a Secondary
Power supply Check.
The DVD M8 digital board
or D VD RAM Drive i
defective.
The DVD RD Board is most
likely defective. Check the
video interface IC3001 and
the surrounding circuitry.
s