Sharp XV-Z12000 II Service Manual page 49

Check the 525i (625i) RGB (or
component) input.
Supply a 525i (625i) RGB (or
component) signal to INPUT1
or INPUT2.
Select INPUT1 or INPUT2 using
the key on the main unit or the
remote control.
Check the input signal type.
Is a projection image displayed?
YES
Is the picture distorted?
YES
Is the color normal?
YES
Is the image frame normal?
YES
End.
When checking the optional input signal on the menu display,
select RGB (or component) or set it to RGB (or component)
using the RGB/COMP key on the remote control.
NO
Go to "Check the SOG circuit."
NO
Go to "Check the VIDEO
synchronization signal."
NO
Perform the process adjustment.
Does the color become normal?
NO
Go to "IC8004 peripheral
check".
49
XV-Z12000 2 2 2 2 2
NO
Go to "GA4
peripheral check".