Sharp XV-Z12000 Anleitung Seite 42

XV-Z12000
Check OSD.
Press the key on the main
unit or the [MENU] key on the
remote control.
Is the menu display brought
up?
NO
Is there a clock signal at
R8974?
YES
Is a synchronization signal
present at TL8026 - 28?
YES
Check FL8141 - FL8148 using
an oscilloscope. Is the signal
seen correct?
NO
Is there a signal at TL8106 -
TL8111?
YES
IC8029 (GA4) is defective.
YES
End.
NO
Is a clock signal (37.125
MHz) present at TL8114?
NO
Is there a clock signal at
FL8110?
YES
IC8025 (CVIC) is defective.
NO
Is a synchronization signal
present at TL8112 and
TL8113?
YES
IC8029 (GA4) is defective.
YES
The J5 connector or the
formatter unit is defective.
NO
IC8025 (CVIC) is defective.
42
YES
IC8029 (GA4) is defective.
NO
X8005 is defective.
NO
IC8025 (CVIC) is defective.