Read Sharp XG-V10XE (serv.man9) Service Manual online
52
XG-V10XE
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Checking the GA4 peripherals
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Select R, G and B individually
on the pattern menu.
on the pattern menu.
Are the R, G and B video
outputs as specified?
outputs as specified?
Measure the FB8004, FB8005,
FB8006, FB80010, FB8011
and FB8012 outputs on
oscilloscope screen.
FB8006, FB80010, FB8011
and FB8012 outputs on
oscilloscope screen.
Are the pattern menu-selected
settings and the above
measurements consistent?
settings and the above
measurements consistent?
Are there clocks at pins (31),
(32) and (33) of IC8050 and
IC8051?
(32) and (33) of IC8050 and
IC8051?
Measure the TL8106 thru
TL8111 outputs on
oscilloscope screen.
TL8111 outputs on
oscilloscope screen.
Are the pattern menu-selected
settings and the above
measurements consistent?
settings and the above
measurements consistent?
GA4 peripherals checking
complete.
complete.
Output PWB defective.
GA4 defective.
X8005 (quartz oscillator)
defective.
defective.
Is there clock at TL8114?
CVIC_IC defective.
GA4 defective.
Is there 54-MHz clock at
FL8110?
FL8110?
CVIC_IC defective.
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