Read Harman Kardon CDR 2 (serv.man6) Technical Bulletin online
Harman/Kardon
Service Bulletin
Harman International SNC - Harman Consumer International 2, route de Tours 72500 Château du Loir FRANCE
Service bulletin # HK2001-006
November 2001
To
: All harman/kardon Service Centers.
Models
: CDR 2
Subject
: Noisy recordings, Distortion
In the event you receive a CDR2 with the complaint “The recording is noisy,” or “dropout on recorded CD”. Perform the following
modification
modification
Every time you have a CDR2 in for repair, please check the soldering in the power supply.
(See Picture 1.)
Upgrade the unit with new software if necessary.
(See Picture 1.)
Upgrade the unit with new software if necessary.
Picture 1.
Additionally in case of a complaint concerning noisy recording, the flat cable connecting the player and
record section needs to be earthed. This action improves the grounding of the cable. (Picture 2 &3 )
record section needs to be earthed. This action improves the grounding of the cable. (Picture 2 &3 )
Picture 2.
Please check the power supply
soldering. Especially all the
components mounted on the
radiator.
soldering. Especially all the
components mounted on the
radiator.
Harman/Kardon
Service Bulletin
Harman International SNC - Harman Consumer International 2, route de Tours 72500 Château du Loir FRANCE
Picture 3
A simple method is shown in pictures 2 & 3. Solder a paper clip, to the metal case of the record
section of the CDR2 player. This system has the advantage of securing a ground connection, while
allowing removal and replacement of the cable, and access to the other components.
section of the CDR2 player. This system has the advantage of securing a ground connection, while
allowing removal and replacement of the cable, and access to the other components.
Test the modification by recording a CD after re-assembling the unit.
Display
