Read Sharp LC-20SD4E (serv.man2) Service Manual online
TROUBLESHOOTING GUIDE
E-3
THE PICTURE DOES NOT
APPEAR (2).
APPEAR (2).
YES
NO
CHECK IC4201 AND
PERIPHERAL CIRCUIT.
PERIPHERAL CIRCUIT.
CONNECT CD4204.
CHECK IC4201 AND
PERIPHERAL CIRCUIT.
CHECK IC4201 AND
PERIPHERAL CIRCUIT.
NO
YES
CHECK IC801 AND
PERIPHERAL CIRCUIT.
PERIPHERAL CIRCUIT.
IS CD4204 CONNECTED
AND IS THERE SIGNAL ?
AND IS THERE SIGNAL ?
IS THERE SIGNAL
AT IC4201 ?
AT IC4201 ?
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