Panasonic TH-50PB2E / TH-65PB2E Service Manual / Other ▷ View online
A board
Move
SU or SD (SN) board
(maybe FFC connection)
Stay
Defective board
Faulty area
(Horizontal line)
A board
Move
PDP panel or C board
(maybe FFC connection)
Stay
Defective board
Faulty area
(Vertical line)
Normal setting
Flip horizontal
Flip vertical
In case of abnormal picture of appearing the vertical line or horizontal line, you can check by using
mirror function in the service mode whether A-board is defective.
mirror function in the service mode whether A-board is defective.
+/- button
+/- button
Troubleshooting : Picture abnormality (3/4)
if line is the staying when using mirror mode, SU or SD board is defective.
if line is the moving when using mirror mode, A board is defective.
if line is the moving when using mirror mode, A board is defective.
if line is the staying when using mirror mode, PDP panel or C board is
defective.
if line is the moving when using mirror mode, A board is defective.
defective.
if line is the moving when using mirror mode, A board is defective.
OK
P or A
board
board
A board = No signal output
or
PDP panel = Gas leakage
or
PDP panel = Gas leakage
DS board or Function board
No lighting
Working
Stopped
( picture process
problem)
problem)
A board
No picture ( Power LED is lighting )
Fixed input
is NG
is NG
Slot input is NG
P or SC/SS
board
board
If LED is not lighting, refer to power problem page
Check O.S.D
Check the Fan
Check the LED
on SC(SS) board
on SC(SS) board
Which input
occurs problem ?
occurs problem ?
Troubleshooting : Picture abnormality (4/4)
Displayed
No display
A
A +15V SOS
E2h
2
P, A
F +15V SOS
F2h
A
No particular check point
E1h
1
SC
A
P
A
P, A
A
A
A
Check point
(just as a guide)
26h
Power Recovery Circuit on SC board abnormality
16h
46h
Model information error
01h
FLASH ROM check sum error
11h
Power supply start abnormality SOS
21h
86h
05h
04h
03h
02h
PTCT
P +3.3V SOS
3
Power SOS
4
P +15V, F +15V SOS
F +5V SOS
5
FFC has come off between A and SC
6
Contents
Blinking
times
Cause of SOS detected (1/2)
Investigate cutting it into pieces from the blinking number of times of first (original factor).
It becomes the first blinking number of times when pushing "volume -" during SOS blinking.
It becomes the latest blinking number of times when pushing "volume +".
in the case of re-repair, please go from the latest blinking number of times.
It becomes the first blinking number of times when pushing "volume -" during SOS blinking.
It becomes the latest blinking number of times when pushing "volume +".
in the case of re-repair, please go from the latest blinking number of times.
SC、SU、SD
Floating section on SC board abnormality
17h
7
27h
47h
SS
Power Recovery Circuit on SC board abnormality.
SUS FPC has come off
SUS FPC has come off
18h
8
28h
48h
A
Discharge Control SOS
09h
9
A
A +5V power SOS
1Dh
A
A
A
FAN、A
DS、A
Function Board
Function Board
Check point
(just as a guide)
4Dh
2Dh
0Dh
0Bh
0Ah
PTCT
DS board power supply SOS
10
FAN SOS
11
F +3.3V, F +1.5V, F +1.2V power SOS
A +9V、A +5V power SOS
13
Audio amp SOS, SP terminal short
Contents
Blinking
times
Cause of SOS detected (2/2)
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