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Kenwood DM-3090 Service Manual

Kenwood DM-3090
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• Defect occurred successively 10 times during REC-PLAY.
• As a result of occurrence of defect during REC-PLAY the
recordable cluster became zero.
• Adress is unreadable. REC state connot be set for 20 seconds
although retry is repeated.
• The following judgement is made according to the channel
status of digital signal which was input from D-IN during REC-
PAUSE or REC-PLAY.
(1) Other than audio signal
(2) Other than signals of home-use appliances
(3) Copy NG due to inversion of copy bit in CD.
• The digital signal which was input from D-IN during REC-
PAUSE, REC-PLAY or CD FUNC playback caused the
following.
(1) PLL of digital IN was unlocked.
(2) Locking occurred in condition other than FS = 44.1 kHz
• There were no areas to record music or character
infomation.(music name, disc name, etc.) during REC-PLAY.
• When an attempt to start is made, recordable area does not
remain.
• ETNO > LTNO
• FTNO 0 or 1
• UTOC recorded on disc could not be read.
• Start address > End address
• Any data of UTOC 0 to 4 looped.
• Nonaudio data was recorded in the track mode of currently
selected TNO.
• Data "MINI" of system ID which has been written in TOC with
ASCII code is not correct.
• The disc type written i TOC does not correcpond to pre/
mastered MD, recording MD and hybrid MD.
• When an attempt to set REC-PAUSE was made, there were no
recordable areas.
• An attempt to set REC-PAUSE or to start editing was made on
the playback-only disc.
• An attempt to record or edit was made on the record/playback
disc with its careless rease preventing tab being in rease
preventing state.
• An attempt was made t oedit the track which was write-
protected by information written in UTOC.
• Specific editing conditions were not satisfied.
• Owing to occurrence of some trouble internal temperature of
set (MD unit) rose excessively.
• Read data was not correct or data could not be read correctly.
• Trouble occurred during recording if music data, resulting in
EXPLANATION OF ERROR DISPLAY
Error display
Errors
Corrective action
Can't REC
Can't COPY
Din UNLOCK
TOC FULL
UTOC ERR R
UTOC ERR A
UTOC ERR L0~4
NOT AUDIO
? DISC
DISC FULL
PLAYBACK MD
PROTECTED
Can't EDIT
TEMP OVER
DISC ERR RD
PA
• Check that the disc is free from flaw, dust
and fingerprint.
Check whether there is any black spot.
Check for disc disalignment and run-out.
• Check whether CD is copy-inhibited one.
(An exabple: CD-R)
• Check whether there is any abnormality
in the D-IN signal line.
• Replace the disc with a recording/
playback disc in which an area to register
UTOC remains.
• UTOC data is not normal. Replace the
disc with other disc.
• UTOC data is not normal. Replace the
disc with other disc.
• UTOC data is not normal. Replace the
disc with other disc.
• Select other TNO or replace the disc with
other disc.
• The loaded disc is not applicable.
Replace the disc, and check.
• Replace the disc with other recording disc
in which recording area remains.
• The loaded disc is a Playback-only disc.
Replace the disc with a recording disc.
• Return the careless erase preventing tab
to its initial position, and redo.
• The track on which an attempt to edit was
made is a write-protected track. Redo on
another track.
• The applied operation procedure is not
proper. Redo, applying the ocrrect
procedure.
• Check by troubleshooting.
• Check whether the ambient temperature
is too high.
• Data of TOC or UTOC is not normal or
disc las flaw. Replace the disc with other
record failure.WR disc.
DM-3090
17
TROUBLE SHOOTING
DM-3090(K) COVER 97.11.29 0:19 AM y[W 22

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Kenwood DM-3090 Specifications

Digital Audio Performance IconDigital Audio Performance
frequency response (playback mode)8 Hz ~ 20 kHz, ± 1 dB
signal to noise ratio (playback mode)More than 100 dB
wow & flutterLess than unmeasurable limit
Analog Specifications IconAnalog Specifications
analog input sensitivity / input impedance0.5V / 22 kΩ or more
analog output level/output impedance2.0 V / Less than 2 kΩ
headphone output15 mW/32 Ω load
Digital Input/Output IconDigital Input/Output
digital input coaxial0.5 Vp-p / 75 Ω
digital input optical- 15 dBm ~ - 21 dBm
digital output optical- 15 dBm ~ - 21 dBm
General Specifications IconGeneral Specifications
power consumption17 W
dimensions width440 mm (17 - 5 / 16”)
dimensions height94 mm (3 - 11 / 16”)
dimensions depth300 mm (11 - 13 / 16”)
Weight IconWeight
weight3.55 kg (7.9 lb)

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