Read Sharp XV-Z12000 (serv.man12) Service Manual online
46
XV-Z12000
Check the RGB signal.
YES
No
Set the input signal type to
RGB.
RGB.
Is the input signal type set to
RGB?
RGB?
Go to "GA4 peripheral check".
GA4 peripheral check
YES
NO
Press the key on the main unit or the
[MENU] key on the remote control.
Is the menu display brought up?
[MENU] key on the remote control.
Is the menu display brought up?
Go to "Check OSD.".
NO
YES
Select the color bar from the
process mode Pattern menu.
Is the projection image displayed
correctly?
process mode Pattern menu.
Is the projection image displayed
correctly?
End of "GA4 peripheral check"
Set the signal generator to output
a RAMP signal.
a RAMP signal.
NO
YES
Check FL8141 - FL8148 using an
oscilloscope. Is a pulse being
output?
oscilloscope. Is a pulse being
output?
The J5 connector or the
formatter unit is defective.
formatter unit is defective.
NO
YES
Are signals present at TL8106 -
TL8111?
TL8111?
IC8029 (GA4) is defective.
Go to "IC8004 peripheral check".
YES
NO
Is the CW-INDEX value shown in
the process mode DLP menu
within the standard value range:
130–2?
the process mode DLP menu
within the standard value range:
130–2?
Adjust the CW-INDEX.
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