Mar1250 ( Cd Module ) - Marantz DR2100 Service Manual

1. Servicing the DR2100
1.1 INTRODUCTION:
The DR2100 is the consumer version of a CD recorder, this means that the SCMS (Serial Copy Management System) is
included. The DR2100 can only record on the Audio CDRs (Consumer Use).
The DR2100 is 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:CDR630/640
CD-RW Recorder
For Consumer Ex:DR2100
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 (6 screws). Once the product is opened one can have access to the
several PCB's and the main module.
Power Supply
PCB
CDR Module
MAR775
Below the several PCB's and it function and service policy will be discussed:
CDR
Professional Disc
Consumer Disc
CD
non
Finalized Finalized
Finalized
P P no
P P no
P P P/R
P P P/R
u-COM
PCB
Consumer Disc
non
Finalized
Finalized Finalized
P no no
P no P
P P/R P/R
P P P/R
Rear Terminal
PCB
DISPLAY
PCB
1
CD-RW
Professional Disc
non
non
Finalized
Finalized
no no no
no P no
P/R P/R P/R
P/R P
P
CD
Loader
MAR1250
SCMS
-
-
no
YES