Sharp XV-Z7000U Anleitung Seite 43

Checking the video sync
signal
Using the oscilloscope,
measure the signal at
TL8006. (Check the
vertical sync signal.)
Is the vertical sync signal
as specified?
YES
Using the oscilloscope,
measure the signal at
TL8009. (Check the
horizontal sync signal.)
Is the horizontal sync
signal as specified?
YES
Is there 15kHz or so signal
at TP8007?
YES
Is there signal with half the
vertical frequency at
TP8010?
YES
Is there 27MHz or so clock
signal at FL8034?
YES
Is there 13.5MHz or so
clock signal at FL8034?
YES
End
NO
NO
Go to "Checking the input
signal setting".
If out of spec again,
IC8003 or its peripheral
circuit defective.
NO
NO
NO
NO
IC8003 or its peripheral
circuit defective.
43
XV-Z7000U/E
AN-Z7T