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Marantz CD6003 Service Manual

Marantz CD6003
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19
2) Remote controller doesn’t work.
Confirm the switch of EXTERNAL/INTERNAL is
INTERNAL. Conrm the shape of waves of 5V amplitude
has gone out of 1pin of RS51 on CUP12191x-1 when the
command is input from a remote controller.
Conrm the shape of waves of 3.3V amplitude has gone
out when the command is input from a remote controller
to 35pin of IC21 of CUP12190x. The solder of IC21 is
conrmed, and there is still a possibility that IC21 is
broken when it is not possible to repair when going out.
Exchange IC21.
The case of No signal appear then check Q402, D401
and around.
3) Tray doesn’t work
Conrm the voltage of 1pin of 1pin of IC32 of CUP12190x,
3pin, and CN31 and 2pin when the tray doesn't work.
Conrm the connection of each cable when the voltage of
about 3V is output to 1pin of IC32 or 2pin of CN31 when
1pin of 3pin or CN31 of IC32 is closed when opening.
Conrm whether 9pin of IC21 or 33pin of IC32 is High
after pushing the OPEN/CLOSE key when the voltage
is not conrmed.
Conrm soldering Q302, Q303, and IC32 when 33pin of
IC32 doesn't become High.
There is a possibility that IC32 is broken when it is time
when it is High 33pin of IC32, and it is not output to 1pin
etc. of IC32. Please exchange it. There is a possibility
that the CD module is out of order when the tray is not
good at Open/Close even if all work is done. Please
exchange it.
2) 受信
EXTERNAL/INTERNAL INTERNAL
確認
CUP12191x-1RS51 1pin5V振幅波形
確認
CUP12190x IC21 35pin
3.3V
確認
IC21
IC21IC21
Q402 D401
3) Open/Close
動作場合CUP12190x IC32 1pin
3pin
CN311pin2pin電圧確認
IC32 3pinCN311pin
IC32 1pinCN31 2pin 3V
場合接続確認
OPEN/CLOSE
IC21 9pinIC32 33pin High
確認
IC3233pinHigh場合Q302 Q303
IC32半田付確認
IC3233pinHigh場合IC321pin
IC32
交換
Open/Close
CD
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Marantz CD6003 Specifications

General IconGeneral
Frequency range2 - 20000 Hz
Audio formats supportedAAC, MP3, WMA
Signal-to-Noise Ratio (SNR)110 dB
Total Harmonic Distortion (THD)0.002 %
CD-RW playbackYes
CD changer-
Device typePersonal CD player
Cassette deckNo
Product colorGold, Silver
Channels quantity2 channels
Disc loading typeTray
Remote control typeRC002CD
Display typeLCD
Volume controlRotary
Programmable tracks30
USB 2.0 ports quantity1
Power consumption (standby)0.3 W
Power consumption (typical)19 W
Weight and Dimensions IconWeight and Dimensions
Depth339 mm
Width440 mm
Height106 mm
Weight7000 g

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