Read Sharp XG-C40XE (serv.man5) Service Manual online
46
XG-C40XU/XE
Yes
Yes
No
No
1
1
Yes
Yes
Yes
Yes
No
No
No
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
Yes
No
Check the video
system's blue video
circuit and its
peripheral circuits
system's blue video
circuit and its
peripheral circuits
Yes
Yes
No
No
Yes
No
No
Is there signal at pin (133) of IC8606?
Are there signals at pins (45) thru (53)
as well as (56) thru (64), except for
GND, of P8606?
as well as (56) thru (64), except for
GND, of P8606?
Are there signals at TL8048 and
TL8049?
TL8049?
Is there signal at pin (U15)(TL8614) of
IC8609?
IC8609?
Are there signals at pins (21) thru
(30) of IC8051?
(30) of IC8051?
IC8051 or its peripheral circuit or output
PWB faulty.
PWB faulty.
Terminal PWB, C8623 defective.
IC8606 or its peripheral circuit faulty.
IC8025 or its peripheral circuit faulty.
IC8020 or its peripheral circuit faulty.
IC8029 or its peripheral circuit faulty.
IC8609 or its peripheral circuit faulty.
C8704 or its peripheral circuit or signal
PWB faulty.
PWB faulty.
Is there signal at pin (133) of IC8606?
Is there signal at pin (136) of IC8606?
Are there signals at pins (45) thru (53)
as well as (56) thru (64), except for
GND, of P8606?
as well as (56) thru (64), except for
GND, of P8606?
Are there signals at pins (85) thru
(93) of IC8020?
(93) of IC8020?
Are there signals at pins (74) thru (83)
of IC8020?
of IC8020?
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-7
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