No Vertical Deflection - LG T910B Service Manual

NO V-DEFLECTION
(ONE HORIZONTAL LINE)
IC601 Pin 3 (15V) ?
IC601 PIN 7 (40V)?
IC601 PIN 1,2
8 9
(SAWTOOTH WAVE)?
TROUBLE IN
IC601, V-CIRCUIT
Waveforms
8
IC601, #1

4. NO VERTICAL DEFLECTION

CHECK
YES
CHECK
YES
CHECK
YES
9
NO
NO
NO
IC601, #2
- 21 -
TROUBLE IN
T901 15V Line
TROUBLE IN
T701 40V line
TROUBLE IN
IC401 OR R444,R445