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100 Corporate Drive Mahwah, NJ 07430

Service Bulletin
No. : OST-C1315
Date: May 14, 2008
_____________________________________________________________

Model: AVP-A1HDCI, AVR-5308CI

Subject: Attention when "Printing board" is replaced during repair.
Countermeasure is applicable only upon claim from the customer.

Symptom: Microprocessor Printing Board (1U-3821 CPU UNIT) was improved.
Be careful when you replace "Microprocessor Printing Board (1U-3821 CPU
UNIT)" and "Ethernet Printing Board (1U-3819 ETHERNET UNIT)" for the repair.

Solution: Microprocessor Printing Board (1U-3821 CPU UNIT) was improved.
MODIFICATION: Notes when "CPU UNIT (1U-3821)" is replaced.
If connector "CX-302" is installed on "1U-3821 CPU UNIT" Please replace the
entire printed circuit board to new one without any additional improvment.

______________________________________________________________________________________
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.
When "CX-302" is not installed on "1U-3821 CPU UNIT".

______________________________________________________________________________________
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.
1) Please remove the old "FAN SUB ASSY (8S6851000301D)", and replace with
the new "FAN F410T-12L1C (00D 421 0839 009)". The FAN cable and "5P
connector cable (CX-530)" are fixed. Then the FAN wire is secured.

______________________________________________________________________________________
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.
2) The Resistor (10k ohms) installed on the pattern side of the "ETHERNET
UNIT (1U-3819)" is removed. After that, please attach the "1U-3821 CPU UNIT"
to the unit.

______________________________________________________________________________________
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.
Notes on when the "ETHERNET UNIT (1U-3819)" is replaced.
When connector "CX-302" is installed on "1U-3821 CPU UNIT".

______________________________________________________________________________________
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.
Please install "ETHERNET UNIT (1U-3819)" in the set after removing the resistor
soldered on the pattern side of "ETHERNET UNIT (1U-3819)".

When connector "CX-302" is not installed on "1U-3821 CPU UNIT".
______________________________________________________________________________________
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.
______________________________________________________________________________________
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.
Please confirm resistor is soldered on the pattern side of "ETHERNET UNIT (1U-
3819)".

______________________________________________________________________________________
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.
If the resistor is not soldered on the pattern side of "ETHERNET UNIT (1U-
3819)", please install "ETHERNET UNIT (1U-3819)" in the set after installing the
resistor on the pattern side of "ETHERNET UNIT (1U-3819)".

______________________________________________________________________________________
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 production models beginning from the
following serial numbers. (Last 5-digit)

AVP-A1HDCI 00209 ~
AVR-5803CI 00782 ~

______________________________________________________________________________________
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.