Sharp XG-PH50X Serviceanleitung Seite 52

XG-PH50X
XG-PH50X-NL
Checking the Terminal unit.
Check inputl sync signal
circuits.
Check RGB input sync signal
circuits.
Are there any sync signal at
pin (3) to "V-sync" and pin (1)
to "H-sync" of IC3005 ?
Are there any sync signal at
pin (5) to "V-sync" & pin (2)
to "H-sync" of IC3004 ?
Are there any sync signal at
pin (3) to "V-sync" and pin (6)
to "H-sync" of IC3004 output?
CN3001 is not stable or
break-down.
NO
YES
NO
YES
NO
YES
52
Check IC3005 and its
peripheral circuits.
IC3005 are breakdown.
Check IC3004 and its
peripheral circuits.