Read Sharp XV-C2E (serv.man3) Service Manual online
XV-C2E
22
Is there vertical sync signal output at
pin (4) of IC801?
pin (4) of IC801?
Yes
Yes
Is there vertical sync signal input at
pin (71) of IC4101?
pin (71) of IC4101?
Yes
Is there vertical sync signal input at
pin (14) of IC4302?
pin (14) of IC4302?
Yes
Check IC4302 and its peripheral
circuits.
circuits.
No
No
No
Is there vertical sync signal output at
pin (9) of IC502?
pin (9) of IC502?
No
Check IC801 and its peripheral
circuits.
circuits.
Check Q804, Q805, IC502 and their
peripheral circuits.
peripheral circuits.
Check FB4102 and R4155.
See if SC4202 is properly soldered.
Yes
Is there signal input at pin (20) of
IC801?
IC801?
Check DL401, IC401, Q401 and their
peripheral circuits.
peripheral circuits.
Check IC801 and its peripheral
circuits (X801 and C810 in
particular).
circuits (X801 and C810 in
particular).
Check IC801, IC802, IC803, IC804
and their peripheral circuits (X802
and C811 in particular).
and their peripheral circuits (X802
and C811 in particular).
No
TROUBLE SHOOTING TABLE
(Continued)
No colour or poor tint with NTSC signal
No colour with PAL/SECAM signal
No vertical sync
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