Sharp XG-MB70X Serviceanleitung Seite 40

XG-MB70X
Checking the Component
Send component signals to
INPUT1 or INPUT2. Use
keys on the main unit or
remote control to select
INPUT1 or INPUT2.
YES
Is picture signal including
sync signal input to pin (46)
of IC3002?
NO
Are picture signals input to
pins (8), (9) and (10) of
IC3101?
YES
Are picture signals output
from pins (35), (37) and
(39) of IC3101?
YES
Are picture signals sent
from pins (76), (77) and
(78) of IC3101 to pins (17),
(18) and (19) of IC3103?
YES
Are picture signals sent
from pins (21), (22) and
(23) of IC3103 to pins (67),
(68) and (69) of IC3101?
YES
Check IC3101 and
peripheral circuits.
YES
2
NO Check IC4003, IC4004 and
peripheral circuits.
NO
1
NO
Check IC3101 and
peripheral circuits.
NO
Check IC3103 and
peripheral circuits.
40