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Service Bulletin DZ10-029


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                                  100 Corporate Drive Mahwah, NJ 07430



                                                                                       Service Bulletin
                                         No. : DZ10-029
                                         Date: May 24, 2010
_____________________________________________________________

Model:               AVR-4310CI, AVR-4810CI


Subject:             Reinforcement of the pattern of "8U-110063-2 AMP CONNECT
UNIT".
Countermeasure is applicable only upon claim from the customer.


Symptom: No power. A pattern on 8U-110063-2 AMP CONNECT UNIT might
open.
Cause: 1) The customer might apply the minus terminal of Loudspeakers to
chassis of unit.
2) The width of the pattern was too narrow and current handling capacity is
insufficient.

Solution: The position of soldering the wire on the "8U-110063-2 AMP
CONNECT UNIT" is changed, see the following for details.

MODIFICATION: 1) Replace any damaged components on "8U-110063-1
SPEAKER P.W.B. UNIT ASSY" with a new part.
2) Remove the black wire which is soldered on the pattern side of CW231 on
"8U-110063-2 AMP CONNECT UNIT", and then solder the wire to the new
position (Pin #17 and 19 of CW231) on the same P.W.B. (Refer the following
picture for details)




______________________________________________________________________________________
                             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.
Serial Number Range:
AVR-4310CI, AVR-4810CI                                ***1500001 ~ 00415*****




______________________________________________________________________________________
                             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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