Service manual

- 2-18 -
E
EE
E
READING OK CHECK #E (= “NO DISC” DISPLAY)
DOES TA+ WAVEFORM APPEAR AT
( IC803 PIN17 AND PN801 PIN15)
WAVEFORM #5
TRACKING COIL DRIVE WAVE
DOES TAIN- WAVEFORM
APPEAR AT
( IC803 PIN 23)
WAVEFORM #5
TRACKING DRIVE WAVE
DEFECTIVE IC801
DEFECTIVE IC803
DEFECTIVE PN802
CONNECTOR
DEFECTIVE PICKUP OR
IC802
DEFECTIVE PICKUP OR
IC802
DEFECTIVE IC801
CHECK PN802 CONNECTOR LINE
DOES ARF SIGNAL APPEAR?
(IC802 PORT 8)
WAVEFORM #6
DOES FE, TE SIGNAL APPEAR?
(IC802 PORT FE:23, TE:21)
WAVEFORM #6
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES