Vertical, Horizontal Unit - Daewoo DVN-14F6N Service Manual

2. VERTICAL, HORIZONTAL UNIT.

A.
Horizontal Line is only
appeared on the screen.
Are 25V and 9V supplied
at pin 7 and pin 1 of I301 ?
Is waveform at pin 2 of I301
check a waveform at pin
check a waveform at pin
Checking connecting
Yes
Yes
normal ?
Yes
5 of I301
Yes
11 of I301
Yes
part of DY
Yes
Be all right
No
Check power circuit
No
Check I701 pin 2
No
Check C312
No
Check I 301
No
Resolder
86