Vertical Size - Daewoo 710C Service Manual

9-2. Vertical Size

Abnormal
V.Size
Is
changeable the
DC voltage of
IC401 pin 1?
Yes
Trouble V.OSC/
Deflection Circuit
Refer to V.OSC/Deflection circuit
Is
No
changeable the DC
level of pin 23 of
the IC501?
No
Check the IC501 and
its ambient circuit
26
Check the IC401
Yes
and its
ambient circuit