Samsung SN-S082D Service Manual - Page 14

No tray open/close operation Is the connector inserted N normally into the CN605? Y When the eject-switch is pressed, does the voltage from the N 13, 14pin of IC609 change from 0V? Y When the tray is close, is the 3.3voltage from the 53PIN of IC102 none ? Y N When the tray is open, is the 3.3 voltage from the 53PIN of IC102 none ? Y Replace of FRONT ASS'Y, retest Y TRAY OPEN/CLOSE operation ? N Replace TRAY MOTOR Try again after a normal insertion of the connector into CN605. Check pattern and soldering of the eject-switch IC609 connector. Try again after a normal insertion of the connector into CN605. Normal operation of TRAY. Tray Driver IC Movement If the voltage difference between 13, 14pin of IC102 is 3.9V or higher, the status is normal. When closed: If the voltage difference is 3.9V or higher during an open/close operation, the status is normal. When opened: 12