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• READING OK CHECK #C
(= "NO DISC" DISPLAY)
C C C C
IS ?V APPLIED TO PIN10 OF
PN801
LASER SUPPLY VOLTAGE CHECK
YES
CHECK PN801 CONNECTOR LINE
YES
NO
IS 3.3 V APPLIED TO
PIN3 OF IC802
RF IC SUPPLY VOLTAGE
CHECK
IS 2.0 V PIN2 OF IC802
LASER CONTROL
VOLTAGE CHECK
NO
NO
NO
- 2-9 -
NO
DEFECTIVE IC805
NO
DEFECTIVE IC802
DEFECTIVE Q801 OR
D811
DEFECTIVE PN801
CONNECTOR
DEFECTIVE PICKUP
LASER PART
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