Aiwa xc-rw700 Service Manual page 76

TROUBLESHOOTING - 13/26
QQ
3 7 63 1515 0
Spindle operating is abnormal.
Is there Spindle
control signal input?
(IC510 pin 22)
YES
Is there Spindle
drive voltage output?
(IC510 pin 2,4,7)
YES
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L 13942296513
Check the spindle Connector
(CN502)
Replace the Spindle Motor.
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NO
Is there DMO signal input?
Is there Spindle
control signal output?
(IC509 pin 7)
Replace the IC508(BU4053).
NO
Is SPNON signal H ?
(IC510 pin 23)
Is SBRK signal L ?
(IC510 pin 18)
a SPNFG signal input?
(IC701 pin 95, IC201
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2 9
8
(IC509 pin5)
YES
YES
YES
Q Q
3 6 7 1 3
YES
Is there
pin 7)
YES
OK
.
-76-
9 4 2 8
NO
Check the connection of IC201 pin2.
Replace the IC201(OTI-9790)
NO
Replace the IC509(NJM3404AV).
NO
Check the connection of IC701 pin98.
Replace the IC701(MICOM)
NO
Check the connection of IC701 pin94.
Replace the IC701(MICOM)
1 5 0 5 8 2 9 9 4
NO
Check the connection of IC510 pin19.
Replace the IC510(BA6664FM)
m
co
9 9
2 8 9 9