DENON Service Bulletin DZ10-029 free download

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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.