LG StudioWorks E700B - Page 18

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6. NO VERTICAL DEFLECTION
NO V-DEFLECTION
(ONE HORIZONTAL LINE)
CHECK
IC601 PIN 3
(15V)?
CHECK
IC601 PIN 7
(40V)?
CHECK
IC701 PIN 12, 13?
TROUBLE IN
R603 15V LINE
TROUBLE IN
HIGH-VOLTAGE OUT
CIRCUIT(FBT),
D721, R606
TROUBLE IN
IC701
TROUBLE IN
IC601, V-CIRCUIT
NO
NO
YES
YES
YES
NO
3V