Read Sharp LC-20SD4E (serv.man2) Service Manual online
TROUBLESHOOTING GUIDE
E-6
ON SCREEN DISPLAY DOES
NOT APPEAR.
NOT APPEAR.
NO
YES
NO
CHECK IC101 AND
PERIPHERAL CIRCUIT.
PERIPHERAL CIRCUIT.
CHECK IC801AND
PERIPHERAL CIRCUIT.
PERIPHERAL CIRCUIT.
YES
CHANGE SCALER PCB.
IS THE COLOR SIGNAL
AT PINS 57, 58, 59 AND
60 OF IC801 ?
AT PINS 57, 58, 59 AND
60 OF IC801 ?
IS THERE SIGNAL AT
PINS 2, 3, 4 AND 5 OF
IC101 ?
PINS 2, 3, 4 AND 5 OF
IC101 ?
Click on the first or last page to see other LC-20SD4E (serv.man2) service manuals if exist.