Toshiba 42HP16 Service Manual page 35

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