Read Sharp XG-P10XE (serv.man2) Service Manual online
46
XG-P10XE
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Is there signal at TL614?
No
No
No
IC8029 or its peripheral circuit faulty.
Yes
No
Is there signal at pin (19) of CON2
(P8404) connecter?
(P8404) connecter?
Check the video
system's blue video
circuit and its
peripheral circuits.
system's blue video
circuit and its
peripheral circuits.
Is there signal at pin (133) of IC8606?
Is there signal at pin (133) of IC8606?
outpur PWB faulty.
IC8606 or its peripheral circuit faulty.
Are there signals at TL8048 and
TL8049?
TL8049?
Are there signals at pins (85) thru (93)
of IC8020?
of IC8020?
IC8025 or its peripheral circuit faulty.
Are there signals at pins (74) thru (83)
of IC8020?
of IC8020?
IC8020 or its peripheral circuit faulty.
CON4 (P8405), IC8051 or their
peripheral parts faulty.
peripheral parts faulty.
Are there signal at pins (21) thru (30)
of IC8051?
of IC8051?
IC8609 or its peripheral circuit faulty.
output PWB faulty.
Checking the S-
XGA's blue video
circuit and its
peripheral circuits
XGA's blue video
circuit and its
peripheral circuits
Checking the VGA's
blue video circuit
and its peripheral
circuits
blue video circuit
and its peripheral
circuits
D
D
Are there signals at pins (45) thru
(49), (51), thru (53), (56) and (58),
(60) thru (64) of IC8606?
(49), (51), thru (53), (56) and (58),
(60) thru (64) of IC8606?
Are there signals at pins (45) thru
(49), (51), thru (53), (56) and (58),
(60) thru (64) of IC8606?
(49), (51), thru (53), (56) and (58),
(60) thru (64) of IC8606?
Yes
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-5
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