Sharp LC-26AD22U - Page 36

TROUBLESHOOTING GUIDE
Does this eject disc at
change DVD DECK?
Change DVD DECK.
Does OSD appear
on the screen?
Is remote key set
effectively?
Check pins AD18 and AF19
of IC2401 and peripheral
circuit.
Yes
No
No No
Yes
Yes
DISC DOES NOT EJECT
Does this have signal at
pins 4 and 5 of CP2302?
Check IC2301 and
peripheral circuit.
No
Does this have signal at
pins 1 and 2 of CP2302?
No
Yes
Change IC4001.
Yes
Check pins 138 and 139
of IC4001 and peripheral
circuit.
Change IC2301.
E-7