Specifications

TROUBLESHOOTING GUIDE
E-2
THE PICTURE DOES NOT
APPEAR (1).
NO
YES
CONNECT CD7204.
NO
YES
IS CD7204 CONNECTED ?
DOSE BACK LIGHT SHINE ?
YES
NO
CHANGE V2301.
IS THERE SIGNAL
AT IC7201 ?
CHANGE IC7201.
IS THERE SIGNAL
AT CP7204 ?
NO
YES
CHECK IC801.
OR CHANGE SCALER PCB.
CHECK IC502, T502 AND
PERIPHERAL CIRCUIT.
NO
YES
IS THERE VOLTAGE AT
PINS 1, 2, 3, 4 AND 5
OF CP503 24V ?