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Service Bulletin DZ09-036


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                                  100 Corporate Drive Mahwah, NJ 07430



                                                                                       Service Bulletin
                                         No. : DZ09-036
                                         Date: November 16, 2009
_____________________________________________________________

Model:               AVR-4310CI


Subject:   Change of the diodes and adjustment of idle current
Countermeasure is applicable only upon claim from the customer.


Symptom: Change of the diodes and adjustment of idle current.


Solution: Modified diodes for the idle current.
MODIFICATION: When you replace the POWER TRANSISTOR's of the targeted
model, please replace all of the diodes on the 8U-110049-1~7 board to those
shown below. Adjust the idle current to 12mV according to instruction in the
Service manual after replacement.

Parts:

      Ref #                       FORMER                                                     NEW
                        Description  Part Number                                 Description   Part Number
D112, D212,              KDR720E    204350014506S                                 KDS160E 201310001503S
D312, D412,
D512, D612
   D712


Serial Number Range:
Please apply the above modification to the production models of the following
serial number range. (Full-digits)

***1500001 ~ 9061502540
______________________________________________________________________________________
                             CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.



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