LG Flatron L1710B Service Manual page 15

NO RASTER
CHECK
J702 PIN 1, 2, 5, 6
(12V/ 5V) ?
YES
CHECK
J705 PIN 28, 29, 30
(5V) ?
YES
CHECK
U801
(3.3V)?
YES
CHECK
U201(GM5120) ?
YES
CHECK
L201, L202, L203,
R234, R235, R237
PULSE?
2. NO RASTER
NO
NO
NO
NO
NO
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TROUBLE IN
LIPS
TROUBLE IN
U802
TROUBLE IN
U801
TROUBLE IN
U201
TROUBLE IN
U201