No Vertical Deflection - LG CS770 Manual

6. NO VERTICAL DEFLECTION

NO V-DEFLECTION
(ONE HORIZONTAL LINE)
CHECK
IC601 PIN 3
(15V)?
CHECK
IC601 PIN 7
(40V)?
YES
CHECK
IC701 PIN 12, 13?
3V
YES
TROUBLE IN
IC601, V-CIRCUIT
YES
NO
NO
NO
- 22 -
TROUBLE IN
R608, 15V LINE
TROUBLE IN
HIGH VOLTAGE OUT
CIRCUIT, D713
TROUBLE IN
IC701