Servicing The Cdr631 - Marantz CDR631 Service Manual

1.Servicing the CDR631

1.1 INTRODUCTION:
The CDR631is the professional version of a CD recorder , this means that the SCMS (Serial Copy Management System) is
not included. The CDR631can record on the Audio and CDRs PC.
The CDR631is suitable for recording and playback of CD-R W discs (CD-Re Writable disc).
Playback & Recording and Disc
Disc
Player/Recorder
Audio CD Player
Current products Ex:CD-17
Audio CD Player
CD-RW playback Ex:CD-17MK II
CD-RW Recorder
For Professional Ex:CDR630/631/640
CD-RW Recorder
For Consumer Ex:DR6000/6050
Consumer : For Digital Audio
Professional : For General use (Including PC)
P : Playback
R : Recording
1.2 OPENING THE PRODUCT :
The product can be opened by removing the top cover (8 screws). Once the product is opened one can have access to the
several PCB's and the main module. To have access to the Display PCB, the Headphone PCB first the front cover has to
be removed.
SWITCHING POWER
SUPPLY BOARD
MOTER
BOARD
CDR LOADER
Below the several PCB's and it function and service policy will be discussed:
CDR
Consumer Disc Professional Disc
CD
non
Finalized
Finalized
Finalized
P P no
P P no
P P P/R
P P P/R
DISPLAY BOARD
Consumer Disc
non
Finalized
Finalized
P no no
P no P
P P/R P/R
P P P/R
AUDIO
BOARD
1
CD-RW
Professional Disc
non
non
Finalized
Finalized
Finalized
no no no
no P no
P/R P/R P/R
P/R P P
HEAD
PHONE
BOARD
SCMS
-
-
no
YES