Service Manuals, User Guides, Schematic Diagrams or docs for : DENON DVD Video Player DVD Video Player Denon - DVD-3910 Service Bulletin OST-887
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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-887
Date: May 24, 2007
_____________________________________________________________
Model: DVD-3910
Subject: 1) Countermeasure for improving malfunctions that a red line
appears on the left side of the DVI and HDMI Output Images when the Video
Enhancer of the V. H has been selected.
2) Digital data range processing of Video Enhancer is improved.
Symptom: 1) At DVI and HDMI Output Images, a red line appears on the left
side of the picture when the Output Format was "720/1080i" and when the
adjustment level of the Video Enhancer of the DVMP (Digital Video Multi-
processor) was increased to the maximum.
2) On all the Image Outputs, when the adjustment level of the Video Enhancer of
the DVMP was increased, both edges of the left and the right sides on the screen
appear as a frame.
3) When the picture signal level of the picture signal outputted from a component
output terminal is 100% or more or 0% or less, an output signal does not come
out by a picture signal being distorted. When the test disk with which the picture
signal level from 108% to -8% is recorded is played, a problem crops up.
4) It did not produce "Below Black" on the ANALOG (Component) outputs.
Solution: The firmware has been updated to correct the problems listed.
MODIFICATION: (Upon Claim) Please replace the IC703 (EPCS1-S18 or
EPCS1-S18-ED0557) on the GU-3613-2 VIDEO UNIT with new one (EPCS1-
S18-18D8A38) upon claim.
______________________________________________________________________________________
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.
* Refer to the Fig. 1.
Parts:
Ref # FORMER NEW
Description Part Number Description Part Number
IC703 EPCS1-S18 or 00D 262 3366 EPCS1-S18- 00D 262 3366
EPCS1-S18- 909 or 103 18D8A38 200
ED0557
Serial Number Range:
DVD-3910 (Blk) ~ 07550
DVD-3910 (Slvr) ~ 01400
______________________________________________________________________________________
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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