Toshiba 17HLV85 Service Manual page 56

THE PICTURE DOES NOT
APPEAR (1).
DOSE BACK LIGHT SHINE ?
YES
IS CD7201 CONNECTED ?
YES
IS THERE SIGNAL AT
PINS 5, 6, 8, 9, 11, 12,
14, 15, 17 AND 18 OF
CD7201 ?
NO
IS THERE SIGNAL
AT IC7201 ?
YES
CHECK IC801.
TROUBLESHOOTING GUIDE
NO
NO
YES
NO
E-3
CHECK CP3803 AND
PERIPHERAL CIRCUIT.
CONNECT CD7201.
CHANGE V2301.
CHANGE IC7201.