Aiwa xc-rw700 Service Manual page 86

TROUBLESHOOTING - 23/26
QQ
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Writing Part Check.
Refer Laser is abnormal .
Load tray with CD-R/RW Disc.
become stand-by mode to
record/dubbing?
Dose Writing finish
without any error?
Is the written file
TE
L 13942296513
www
.
http://www.xiaoyu163.com
Does the unit
YES
NO
YES
NO
read nomally?
YES
YES
Check the connection of IC201
pin 187 and replace IC201.
OK
x ao
y
i
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8
Start Recording or dubbing.
Check the communication Iines
between IC701 and IC201.
Check and replace the 701.
Q Q
3 6 7 1 3
Go to ALPC Logic Circuit Check .
Is the re-written file
ROPCSH input signal
Pulse when CD-R writing
Go to BETA Measurement
Circuit Check .
u163
.
-86-
2 9 9 4 2 8
NO
Eject Tray.
1 5 0 5 8 2 9 9 4
read nomally?
NO
Is
(IC401 pin 43)
YES
m
co
9 9
2 8 9 9