LG E1941S Service Manual page 25

AUO PANEL
NO Raster
(No picture)
Check C801 (+)
=14.5V
Check ON/OFF
signal
Check U801 pin 9
volt?
Check U801 pin 8
volt?
Check CN804 Pin 3,
4=5V
Check Panel
connecter
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Only for training and service purposes
NO
YES
NO
YES
NO
YES
NO
Check power section
Check Interface section or
main board
Check R801, FB801
Check U801
Check Q801
- 25 - LGE Internal Use Only