Read LG 50PT85-ZB (CHASSIS:PD74A) Service Manual online
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Does minute discharge
At Module?
Is the LVDC cable
normal?
Is the VAVS on?
Check the PDP Module
Yes
No
YES
Yes
Reconnect the LVDS
cable in P1901
No
Is the IC700(FLI8548)
Output normal?
Replace the VSC.
No
NO
Replace the Power
board
Is the Low/High output
voltage normal except for
stand-by 5V?
NO
4. No Raster
(1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is green.
2) It maintains the condition where the front LED is green.
(2) Procedure check
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