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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : PZ09-177
Date: September 13, 2010
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Model: DN-X120
Subject: 1) Change of the Integrated circuit (IC109 and IC209).
2) Modification of the Mixer PWB. (For the parts change of IC109 and IC209.)
This is information only.
Symptom: 1) The parts changed from "M51132L" to "R2A15221SP".
2) It's shape changes from "DIP (14pin)" to "SOP (16pin)".
Solution: 1) The parts changed from "M51132L (Parts number:
00D9587036103)" to "R2A15221SP (Parts number: 941239003280S)".
2) Change a "Mixer PWB".
Caution!: 1) There is no compatibility between the original parts and the new
parts (IC109, IC209) and the "Mixer PWB".
2) The "Mixer PWB" doesn't have the parts number for "nsp".
3) The content after the change becomes same as the DN-X120A, therefore
please refer to the Service Manual of DN-X120A.
-PWB: Please refer to page 18-19 (Mixer P.W.B. UNIT) of DN-X120A Service
Manual.
-Circuit diagram: Please refer to page 23 (IC109, IC209) of DN-X120A Service
Manual.
-Integrated circuit spec: Please refer to page 33 (R2A15221SP) of DN-X120A
Service Manual.
______________________________________________________________________________________
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:
We will apply the above modification to the production models in the following
serial numbers..
I 00763*****~ (Production from July 2010)
______________________________________________________________________________________
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.