Toshiba 17HLV85 Service Manual page 59

ON SCREEN DISPLAY DOES
NOT APPEAR.
IS THERE SIGNAL AT
PINS 2, 3, 4 AND 5 OF
IC101 ?
YES
IS THERE SIGNAL AT
PINS 57, 58, 59 AND 60
OF IC801 ?
YES
CHECK IC801 AND
PERIPHERAL CIRCUIT.
TROUBLESHOOTING GUIDE
NO
NO
E-6
CHECK IC101 AND
PERIPHERAL CIRCUIT.
CHECK NR801AND
PERIPHERAL CIRCUIT.