Sharp LC-20SD4E Service Manual page 21

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THE PICTURE DOES NOT
APPEAR (2).
IS THERE SIGNAL
AT IC4201 ?
YES
IS CD4204 CONNECTED
AND IS THERE SIGNAL ?
YES
CHECK IC801 AND
PERIPHERAL CIRCUIT.
TROUBLESHOOTING GUIDE
NO
NO
E-3
CHECK IC4201 AND
PERIPHERAL CIRCUIT.
CONNECT CD4204.
CHECK IC4201 AND
PERIPHERAL CIRCUIT.

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