Read LG 32PC5RV (CHASSIS:PP78C) Service Manual online
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3. No Raster
(1) Symptom
1) No OSD or image are displayed on the screen.
2) The front LED remains green.
2) The front LED remains green.
(2) Follow check
Check the PDP Module
Replace the
Power board.
Power board.
Does
minute discharge
at Module?
Is the inverter
/VaVs on?
Is output the normal
Low/High voltage except
for the Stand-by 5V?
Low/High voltage except
for the Stand-by 5V?
Yes
No
No
Is the output for the
IC500 normal?
Replace the VSC.
No
Yes
Start Check
4. In the case an unusual display in RF mode.
Check the power.(L1103)
Is the
video output of the
Tuner normal? (Check
TU400_Pin13)
Is the
input voltage
normal?(Check
Pin3)
Is the I2C communication normal?
(Check Pin9, Pin10)
(Check Pin9, Pin10)
Yes
No
Yes
Is the LVDS
Pattern connected?
Yes
Change the IC(IC500)
Connect again
the Pattern.
No
No
Check the Tuner.
No
A
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