Service Manuals, User Guides, Schematic Diagrams or docs for : DENON Home Theatre System Home Theatre System Denon - S-301 Service Bulletin OST-F1054-2

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Service Bulletin OST-F1054-2


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                                  100 Corporate Drive Mahwah, NJ 07430



                                                                                       Service Bulletin
                                         No. : OST-F1054-2
                                         Date: February 13, 2007
_____________________________________________________________

Model:               S-301


Subject:       Countermeasure for the malfunction of the HDMI operation (Drop-
out of the picture).


Symptom: If a DVD is played back using the DVD Drive on the S301, after
connecting the S301 to the Image Monitor by means of the HDMI, the picture
interrupts once in approximately one to two hours in frequency, and the screen
turns into black. The screen recovers after two to three seconds.
Cause: During the HDMI connection, the communication is always performed
between the HDMI Transmitter (IC705 SiI9030) and the DVD Processor (IC10
ES6138F) via the 12C BUS. However, a noise mixes in the DATA and CLK lines
of the 12C BUS, and the HDMI Transmitter recognizes it incorrectly. As a result,
picture drop-out occurs.

Solution: Attach 47pF Capacitors (See pictures) between the DATA and CLK
lines and the GND respectively in order to remove the noise mixed in the I2C
BUS.

Modification Procedures:
1) P. W. Board to which the modification is applied: 1U-3692
(1) Disassemble the unit and separate the Loading Mechanism and P. W. Board
so that the modification can be performed on the side (under the Loading
Mechanism) where the Part Number has been printed on the 1U-3692.
In this case, please be sure to solder and short-circuit the pattern-lands to protect
the Pick-up.
(2) Please refer to the attached page and attach two 47pF capacitors between
the through-holes and the GND.


______________________________________________________________________________________
                             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.
(3) After you have connected all the connectors on the Loading Mechanism and
the 1U-3692 P. W. Board, remove the short-circuit solder bridge protecting the
Pick-up.

Attention: S-301 produced in a factory is improved with the part that was different
from contents of this Service Information. (See the Serial number section for
more information)




______________________________________________________________________________________
                             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.
Parts:

    Ref#                  Description                                        Part Number
     NA               CC45SL1H470JT(DD-3)                                  00D 253 4537 966
     NA                 RUBBER SHEET                                       00D 461 0415 007




______________________________________________________________________________________
                             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:
00001 ~ 11230 (Last 5 digits)




______________________________________________________________________________________
                             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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