Panasonic TH-50PB2E / TH-65PB2E Service Manual / Other ▷ View online
ID Mode checks the response from ICs controlled by CPU
with IIC Bus line.
If the response exists, OK is indicated.
But if the no response exists, NG is indicated.
Check the error code and take service procedure as below.
with IIC Bus line.
If the response exists, OK is indicated.
But if the no response exists, NG is indicated.
Check the error code and take service procedure as below.
ID MODE
Check and replace DS-module
Timer function doesn’t work.
H51
IIC3
Check and replace A-module
Can not change the input of component video and PC.
H65
Check and replace A-module
Can not synchronize, abnormal picture.
H63
Check and replace A-module
Temperature Sensor abnormality, picture darkens a bit.
H62
Check and replace A-module
Can not synchronize on the component video, HDMI,
DVI and PC. abnormal picture.
DVI and PC. abnormal picture.
H56
IIC4
Check and replace A-module
No display or sound from the component video, HDMI,
DVI or PC input.
DVI or PC input.
H61
IIC2
Check and replace A-module
Can not store the set value.
H90
IIC1
Check and replace A-module
Unable to communicate with LAN.
H93
Check and replace A-module
No picture.
H60
Check and replace A-module
Can not store the set value.
H92
Procedure
Symptom
Troubleshooting of
Defective Module
Function board
Only slot input is NG
NG
OK
- All inputs are NG
- Only PC input is NG
- Only one color (R/G/B) is NG
- Only PC input is NG
- Only one color (R/G/B) is NG
A board
( No output of RED )
Does the area of picture
problem happen to whole
screen or some parts of
screen ?
problem happen to whole
screen or some parts of
screen ?
Please refer to the next page
( only some part of screen)
( only some part of screen)
Picture Problem
some part
whole
How is the Internal
Test pattern?
Test pattern?
How is the O.S.D?
( Panel drive trouble )
( Signal process trouble )
A board
Error lighting
( unevenness, dark picture )
( unevenness, dark picture )
SC, SS board
( Check the voltage adjustment )
Regularly pattern problem
( block noise )
( block noise )
Vertical line at whole screen
Which input
has problem?
has problem?
In the case of picture problem, we can find the cause board by using flow chart as below.
Troubleshooting : Picture abnormality (1/4)
SU/SD board
C1,C2,C3
or A board
or A board
PDP panel
PDP panel or A
or C board
or C board
SU/SD board or
PDP panel
PDP panel
Regularly defect
A board
Line width is narrower than FPC
Line width is same as FPC
Where is displayed abnormal picture ?
Picture problem (some part of screen)
Horizontal dot line/ (barcode line)
defect
defect
About vertical direction defect, there is some possibly case of not connecting between A and C board.
About horizontal direction defect, there is some possibly case of not connecting between SU/SD
board and PDP panel.
About horizontal direction defect, there is some possibly case of not connecting between SU/SD
board and PDP panel.
Troubleshooting : Picture abnormality (2/4)
Horizontal line
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