Download Sharp LC-20DV20U Specifications

TROUBLESHOOTING GUIDE
DISC DOES NOT EJECT.
DOES OSD APPEAR
ON THE SCREEN ?
NO
IS REMOTE KEY SET
EFFECTIVELY ?
NO
CHECK PINS 29 AND 30 OF
IC101 AND PERIPHERAL
CIRCUIT.
YES
YES
CHECK PINS 205 AND 206 OF
IC4001 AND PERIPHERAL
CIRCUIT.
DOES THIS EJECT
DISC AT CHANGE
DVD DECK ?
YES
NO
DOES THIS HAVE
NO
SIGNAL AT PINS 4
AND 5 OF CP2302 ?
CHECK IC2301 AND
PERIPHERAL CIRCUIT.
YES
CHANGE DVD DECK.
DOES THIS HAVE
SIGNAL AT PINS 1
AND 2 OF CP2302 ?
YES
CHANGE IC4001.
E-9
NO
CHANGE IC2301.