Read Sharp XV-Z12000 (serv.man12) Service Manual online
54
XV-Z12000
Check the input signal type.
Supply a PC-RGB analog signal
to INPUT5.
to INPUT5.
Select INPUT5 using the key on
the main unit or the remote
control.
the main unit or the remote
control.
NO
YES
Is an RGB signal present at pins
(126), (136), and (141) of IC8004?
(126), (136), and (141) of IC8004?
Is a vertical synchronization signal
present at pin (6) of IC8330?
present at pin (6) of IC8330?
Check in the vicinity of the DVI
connector.
connector.
IC8004 or after is defective.
Check the DVI analog input.
YES
NO
IC8330 or peripheral parts are
defective.
defective.
Is a horizontal synchronization
signal present at pin (6) of
IC8331?
signal present at pin (6) of
IC8331?
YES
NO
IC8331 or peripheral parts are
defective.
defective.
Is a synchronization signal
present at TL8130 and TL8131?
present at TL8130 and TL8131?
YES
NO
IC8330 is defective.
NO
YES
Is a projection image displayed?
End.
When checking the optional input
signal on the menu display, set it to "A.
RGB".
signal on the menu display, set it to "A.
RGB".
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