LG V7550 Service Manual page 17

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NO V-DEFLECTION
(ONE HORIZONTAL LINE)
CHECK
IC601 PIN 3
(15V+)?
YES
CHECK
IC701 PIN 12, 13?
YES
TROUBLE IN
IC601, V-CIRCUIT
6. NO VERTICAL DEFLECTION
NO
NO
- 17 -
TROUBLE IN
R603
TROUBLE IN
IC701

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