Check the input signal type.
Supply a PC-RGB digital signal
to INPUT5.
Select INPUT5 using the key on
the main unit or the remote control.
YES
NO
Is a clock signal present at
R8685?
Is a pulse present at pins (10 - 37)
and (48 - 77) of IC8298?
Check the DVI connector
peripherals. IC8298 is defective.
Check IC8025 or after.
Check the DVI digital input.
YES
NO
IC8298 is defective.
Is a synchronization signal present
at TL8023 and at pins (47) and (48)
of IC8298?
YES
NO
IC8298 is defective.
Is a synchronization signal present
at TL8130 and TL8131?
YES
NO
IC8302 is defective.
NO
YES
Is a projection image displayed?
End.
When checking the optional input
signal on the menu display, set it to "D.
PC RGB".