Service manual

29
11. Side-Pincushion Circuit
Side-Pincusion distortion
is excessive or barrel
O.K
Yes
Check IC504 or
its ambient circuit.
Is the
waveform of pin9 in
IC501correct ?
Yes
No
Check IC501 or
its ambient circuit.
Trouble in V Sync.
Is the
waveform of pin28 in
IC501(V. Sync)
normal?
Yes
No
No
When
the side pincushion
is selected on the OSD menu,
is it adjusted at the
acceptable
position?