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Troubleshooting
6-2 CD
6-2-1 Malfunction of Disc Revolution
POWER ON
Check CLOSE S/W voltage.
CLOSE condition : 0V
Is Focus Search done properly ?
Does Laser function during
Focus Search ?
Check NIC9282 pin73 voltage
during Focus Search : 5V
Replace NIC9220 or NIC9258.
6-4
Yes
Yes
Yes
Yes
Yes
No
Check CLOSE MOTOR driving
element and CLOSE S/W.
No
Check oscillation of NXF100
(16.9344MHz).
No
Replace PICK-UP.
No
Replace NIC9282.
Samsung Electronics
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