Sharp XV-Z2000 Service Manual page 39

Checking the digital input
Input the digital signal from INPUT5.
Select digital with the keys on the main body or the
remote control.
Is picture outputted?
NO
Is the signal coming to pins (10)-
(77) of IC502?
YES
Is the signal coming to pins (26)-
(54) and (66)-(94) of SC2001?
YES
Check the Formatter unit.
Checking the analog RGB input
Input the analog RGB signal from INPUT5.
Select INPUT5 with the keys on the main body or the
remote control.
Is picture outputted?
NO
Is the picture signal coming to
pins (3), (4) and (5) of IC3102?
YES
Are pins (76), (77) and (78) of
IC3102 outputting and the signals
inputted to pins (73), (74) and (75)?
YES
3
YES
Is the picture disturbed?
NO
Check between the input terminals
and IC502.
NO
Check IC8001 and its peripheral
circuits.
YES
Is the picture disturbed?
NO
Check between the input terminals
and IC3102.
NO
Check IC3102 and its peripheral
circuits.
39
1
YES
NO
End.
1
YES
NO
End.
XV-Z2000
DT-400