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• READING OK CHECK #C(="NO DISC" DISPLAY)
C
IC ?V APPLIED TO PIN 10 OF PN501
LASER SUPPLY VOLTAGE CHECK
YES
CHECK PN501 CONNECTOR LINE
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NO
IS 3.3V APPLIED TO
PIN3 OF IC502
RF IC SUPPLY VOLTAGE
CHECK
YES
IS 2.0V PIC2 OF IC502
LASER CONTROL
VOLTAGE CHECK
- 2-8 -
NO
NO
NO
NO
NO
DEFECTIVE IC501
DEFECTIVE IC501
DEFECTIVE IC503
DEFECTIVE PN501
CONNECTOR
DEFECTIVE PICUP
FOCUS ACTUATOR
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