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