Aiwa xc-rw700 Service Manual page 74

TROUBLESHOOTING - 11/26
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Tray operating is abnormal.
(Tray open/close doesn't work)
Is threre Tray control signal intput?
(IC501 pin25)
YES
Is three Tray drive voltage output?
(IC501 pin15, 16)
YES
Check the Tray Connector(CN501).
Check the Motor Line and Motor.
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2 9
8
Check the connection of IC409 pin 12.
Replace the IC409(M62352GP).
Check the communication line between
IC409 and IC701(MICOM).
Is TRAY_MUTE
NO
signal"L"?(IC501 pin20)
YES
When CN501
NO
is open, Is there Tray drive
signal output?
YES
Q Q
3 6 7 1 3 1 5
co
.
-74-
9 4 2 8
Check the connection of IC701
pin 25.
Replace the IC701.
Replace the IC501(BA5983FM).
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9 9
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