Sharp XV-Z1A Service Manual page 40

XV-Z1E/A
TROUBLE SHOOTING TABLE
No synchronization
Is there video signal input at pins (15),
(17) or (19) of IC6001?
Yes
Are HSYNC and VSYNC signals from
pins (41) and (42) of IC6001 in sync
with input signal?
Yes
Which of vertical and horizontal
syncs fails?
Horizontal
Is there signal input from pin (20) of
connector VS to pin (215) of IC1201?
Yes
Check IC1201 and its peripheral
circuits.
No
Check the signal line from the
connector.
No
Check IC6001 and its peripheral
circuits.
Vertical
Is there signal input from pin (22) of
connector VS to pin (214) of IC1201?
Yes
No
40
(Continued)
No
Check the signal line from IC6005.