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• READING OK CHECK #B
(= "NO DISC" DISPLAY)
B B B B
DOES FA+ WAVEFORM APPEAR AT
( IC803 PIN15 AND PN801 PIN16)
WAVEFORM #3
FOCUS COIL DRIVE WAVE
YES
CHECK PN801 CONNECTOR LINE
YES
NO
DOES FAIN- WAVEFORM
APPEAR AT
( IC803 PIN 26)
WAVEFORM #3
FOCUS DRIVE WAVE
NO
NO
NO
- 2-8 -
NO
DEFECTIVE IC801
DEFECTIVE IC803
DEFECTIVE PN801
CONNECTOR
DEFECTIVE PICKUP
FOCUS ACTUATOR
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