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?
Summary of Contents for 103FH
Page 35: ...33 PCB LAYOUT Main PCB Component Side...
Page 36: ...34 Main PCB Solder Side...
Page 37: ...35 Video PCB Component Side...
Page 38: ...36 Video PCB Solder Side...
Page 39: ...37 Control PCB Component Side Control PCB Solder Side...
Page 40: ...38 Socket PCB Component Side Socket PCB Solder Side...
Page 41: ...39 SCHEMATIC DIAGRAM Power PFC Circuit...
Page 42: ...40 MCU OSD Key Deflection Dynamic Circuit...
Page 43: ...41 Deflection H V Circuit...
Page 44: ...42 Video Vertical Convergence Tilt Circuit...