Sharp XG-PH50X Serviceanleitung Seite 53

Checking theTerminal unit.
Check INPUT2 sync
signal circuits.
Check BNC5 RGB input
signal circuits.
Are there any sync signal at
pin (8) to "B", pin (10) to "G"
and pin (12) to "R" of IC3007
input?
YES
Are there any sync signal at
pin (16) to "B", pin (18) to
"G" and pin (20) to "R" of
IC3007 output?
YES
CN3001 is not stable or
break-down.
NO
Check IC3007 and its
peripheral circuits.
NO
Check IC3007 and its
peripheral circuits.
53
XG-PH50X
XG-PH50X-NL