LG FPD1570 Service Manual page 17

Chassis: cl-18
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YES
CHECK
U2, U11 PIN 27
H.PULSE ?
YES
CHECK
U2, U11 PIN 28
V.PULSE ?
YES
CHECK
U2, U11 PIN 31
DOT CLOCK?
YES
CHECK
U2, U11 PIN 30
H.PULSE?
YES
TROUBLE IN
LCD MODULE
NO
NO
NO
NO
TROUBLE IN
U1
TROUBLE IN
U1
TROUBLE IN
U1
TROUBLE IN
U1

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Lb680a

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