Aiwa xc-rw700 Service Manual page 78

TROUBLESHOOTING - 15/26
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Spindle control is abnormal 2
(CD-AUDIO Disc)
Is there
RRF signal input?
(IC413 pin 3)
YES
Is there
RFDC signal input?
(IC401 pin 85)
YES
Does Tracking
Servo operate normally?
YES
Go to Disc recognition is abnormal
TE
L 13942296513
Spindle control is abnormal 3
Is there WBLIN signal
input? (IC201 pin 132)
YES
Is there DMO signal
output? (IC202 pin 2)
YES
Go to Spindle operating is
abnormal
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NO
Go to RF output is abnormal
NO
Replace the IC413(EL2245CS).
NO
Go to Track servo is unstable
NO
Is there ATFM signal
output? (IC401 pin 25)
Replace the IC401(CXA2551R).
NO
Replace the IC201(OTI-9790).
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2 9
8
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3 6 7 1 3 1 5
YES
co
.
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9 4 2 8
0 5 8 2 9 9 4 2 8
NO
Go to RF output is abnormal
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9 9
9 9