Harman Kardon CDR30 Service Manual page 32
Dual tray cd/cd-r/cd-rw recorder/player
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Also See for CDR30:
- Owner's manual (32 pages) ,
- Product information (2 pages) ,
- Brochure (3 pages)
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CDR30
Writing Part Check.
Refer "Laser is abnormal".
Load tray with CD-R/RW Disc.
Does the unit
becomes stand-by mode to
record/dubbing?
YES
Dose Writing finish
without any error?
YES
Is the written file
read nomally?
YES
YES
OK
NO
NO
Check the connection of IC301
pin 187 and replace IC301.
Start Recording or dubbing.
NO
• Check the communication Iines
between IC320 and IC301.
• Check and replace the IC302 or
IC301.
Eject Tray.
Go to "ALPC Logic Circuit Check".
Is the re-written file
readed nomally?
NO
Is
ROPCSH input signal
Pulse when CD-R writing
(IC108 pin 43)
YES
Go to "BETA Measurement
Circuit Check".
32
harman/kardon
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Troubleshooting
