TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT APPEAR (1).
DOSE BACK LIGHT SHINE ?
YES
NO
IS THERE VOLTAGE AT | NO | |
PINS 1, 2, 3, 4 AND 5 | ||
| ||
OF CP505 24V ? |
| |
|
| |
YES |
|
CHECK IC502, T502 AND PERIPHERAL CIRCUIT.
NO
IS CD7204 CONNECTED ?
| YES |
| |
|
| YES | |
IS THERE SIGNAL | |||
| |||
AT CP7203 ? |
| ||
| NO |
| |
IS THERE SIGNAL | NO | ||
| |||
AT IC7201 ? |
|
YES
CHECK IC801.
OR CHANGE SCALER PCB.
CONNECT CD7204.
CHANGE V2301.
CHANGE IC7201.