Samsung MAX-557 - Page 40

4-2. CD section
4-2-1. Malfunction of disc revolution
POWER ON
O
Check CLOSE S/W voltage.
CLOSE condition:0V
Check CLOSE MOTOR driving element and CLOSE S/W.
Is Focus Search done properly? Check oscillation of NXF100 (16.9344MHz)
Does Laser function during
Focus Search?
Replace PICK UP.
Yo
Check NIC9282 pin73 voltage
during Focus Search.
5V
Replace NIC9282.
Yo
Replace NiC9220 or NIC9258.
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12
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MAX-550