Read Sharp XV-Z9000E (serv.man3) Service Manual online
38
XV-Z9000U/E
YES
YES
YES
NO
NO
Checking the RGB signal
Is the type of signal set at
RGB?
RGB?
Are there specified signals
at TL8073, TL8074,
TL8075 and TL8080?
at TL8073, TL8074,
TL8075 and TL8080?
Are there input signals at
C8069 and C8061?
C8069 and C8061?
IC8004 or its peripheral
circuit defective.
circuit defective.
Call the process mode.
Select R, G and B
separately on the pattern
menu.
separately on the pattern
menu.
Go to “Checking the GA4
peripheral circuits”.
peripheral circuits”.
Set the signal generator to
the gradation signal mode
in order to check the input
signal.
the gradation signal mode
in order to check the input
signal.
Measure the gradation
signals at TL8073, T8074,
T8075 and T8080.
signals at TL8073, T8074,
T8075 and T8080.
Set to the RGB signal.
Input PWB defective.
IC8025 or its peripheral
circuit defective.
circuit defective.
NO
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