Toshiba 15DLV77C Service Manual page 50

THE PICTURE DOES NOT
APPEAR (2).
IS THERE SIGNAL AT
PIN 31 OF IC4201 ?
YES
IS CD4204 CONNECTED
AND IS THERE SIGNAL AT
PINS 1, 3 AND 5 ?
YES
IS THERE SIGNAL
AT C829, C835
AND C850 ?
NO
CHECK C829, C835, C850
AND PERIPHERAL CIRCUIT.
TROUBLESHOOTING GUIDE
NO
NO
YES
E-4
CHANGE IC4201 AND
PERIPHERAL CIRCUIT.
CONNECT CD4204,
CHANGE IC4201 AND
PERIPHERAL CIRCUIT.
CHANGE IC801 AND
PERIPHERAL CIRCUIT.