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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) Follow check
Start Check
Does
minute discharge
at Module?
Yes
Is there a fault with
the link cable?
Yes
Is the output for the
IC500 normal?
4. In the case an unusual display in RF mode.
Is the
video output of the
Tuner normal? (Check
TU400_Pin13)
Yes
A
Is the LVDS
Cable connected?
Yes
Change the IC(IC500)
No
Is the inverter
/VaVs on?
Yes
Check the LCD Module
No
Reconnect the link cable in
P804.
No
Replace the VSC.
Is the
No
input voltage
normal?(Check
Pin3)
Check the power.(L1103)
No
Re-insert the cable.
Is output the normal
No
Low/High voltage except
for the Stand-by 5V?
Yes
Is the I2C communication normal?
(Check Pin9, Pin10)
No
- 19 -
No
Check the Tuner.
Replace the
Power board.
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