Read Sharp XG-V10XE (serv.man9) Service Manual online
56
XG-V10XE
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-10
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Checking the VIDEO sync signal
Measure the TL8135 output on
oscilloscope screen.
oscilloscope screen.
Is the vertical sync signal as
specified?
specified?
Measure the TL8132 output on
oscilloscope screen.
oscilloscope screen.
Is the horizontal sync signal as
specified?
specified?
Are there horizontal and
vertical sync signals at TL8130
and TL8131?
vertical sync signals at TL8130
and TL8131?
Check the input signal settings.
Input PC board defective.
IC8302 or its peripherals
defective.
defective.
Is the pulse output at pin (4) of
IC8328 in the same timing as
the horizontal signal?
IC8328 in the same timing as
the horizontal signal?
CVIC_IC or its peripherals
defective.
defective.
Is the pulse output at pin (5) of
IC8328 in the same timing as
the pulse at pin (4)?
IC8328 in the same timing as
the pulse at pin (4)?
CVIC_IC or its peripherals
defective.
defective.
Is there 69-MHz or so clock at
FL8102?
FL8102?
No problem with the VIDEO
sync signal and clock.
sync signal and clock.
IC8328 (PLL_IC) or its
peripherals defective.
peripherals defective.
»
Checking the VIDEO vertical sync signal.
»
Checking the VIDEO
vertical sync signal
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