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TROUBLESHOOTING GUIDE
E-7
ON SCREEN DISPLAY DOES
NOT APPEAR.
NO
YES
NO
CHECK IC101 AND
PERIPHERAL CIRCUIT.
CHECK IC801AND
PERIPHERAL CIRCUIT.
YES
CHANGE SCALER PCB.
IS THE COLOR SIGNAL
AT PINS 57, 58, 59 AND
60 OF IC801 ?
IS THERE SIGNAL AT
PINS 2, 3, 4 AND 5 OF
IC101 ?