Sharp XG-C58X Service Manual page 41

TROUBLE SHOOTING TABLE (Continued)
Checking the RGB Sync.
Are the sync inputted into pins(2)
and (4) of SC3102?
Yes
Are their signal inputted into pins(2)
and (12) of IC2404?
Yes
Are their signal inputted into
pins(63) and (66) of P8002?
Yes
Go to "Checking the PC I/F unit".
TROUBLE SHOOTING TABLE for PC I/F UNIT
Checking of PC I/F UNIT
0
Is the user menu displayed
onscreen?
Check the onscreen display.
Check the RGB input.
Check the component input.
Check the video input.
End
No
Check IC3152, IC3153, IC3154,
IC3151 and their peripheral circuits.
No
Check P3102 and its peripheral
circuits.
No
Check IC2404 and its peripheral
circuits.
Yes
No
Yes
Yes
Yes
41
XG-C58X
XG-C68X