Samsung S1000 - CD Troubleshooting

6-3 CD
6-3-1 Disc Revolution Malfunction
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Power On and CD Function
Check disc sensor voltage
Is Focus search done properly?
Check oscillation of XX1
(33.8688MHz)
Yes
No
Yes
Yes
Yes
No
No
Replace Pick-up
Check WIC41 pin73 voltage
Replace WIC41
No
Yes
Replace NIC9220 or NIC9258
WCW4(SENI) condition
Does Laser function during
Focus Search ?
Check PC1,WQ91,92
during Focucs search : 5V
Samsung Electronics 6-7
Troubleshooting