Denon avr-5805ci avr-5805 avr-4806ci avr-4806 avr-4306 avr-3806 avr-2807 avr-987 ost-c1040 서비스 매뉴얼

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100 Corporate Drive Mahwah, NJ 07430
 
 
       
 
 
 
Service Bulletin
 
No
. : OST-F1125-1 
Date:
 July 21, 2008 
_____________________________________________________________
 
 
Model:
 
AVR-5805CI, AVR-5805 with 1080p upgrade (SPK-553, SPK-555 
and SPK-556), AVR-4806CI, AVR-4806 with 1080p upgrade (SPK-554, SPK-557 
and SPK-558), AVR-4306, AVR-3806, AVR-2807, AVR-987, AVR-2307CI and 
AVR-887 
 
 
 
 
 
 
 
Subject: 
Countermeasure for improving the detection of an HDMI Monitor.
 
 
 
 
 
 
 
 
 
 
Symptom:
 In some instances the unit will fail to detect the HDMI monitor. This 
error can occur at the low temperatures, the following similar phenomenon 
occurs when the voltage on the terminal for detecting the connection of the HDMI 
of the connected Monitor is low.  
• When the LC45BE2W manufactured by SHARP
®
 has been connected to the 
unit, it takes time until it indicates the normal picture after leaving it over a night.  
• When the LC45BE2W manufactured by SHARP
®
 has been connected to the 
unit, it takes a time for the monitor indicate a normal picture if one hour (after the 
Power is turned off) passes. 
 
Caution!  
• If the LP-Z3 by SANYO
®
 has been connected the unit, it does not display a 
picture properly. Before you update the Firmware, please ask to the customer 
what Display they are using.
 
 
Solution: 
COUNTERMEASURE AND THE MODIFICATION (to be performed 
upon repair and refurbishment of these units):  
Please apply the following modification to your customer's unit and to the unit 
upon refurbishment. 
 
 
 
______________________________________________________________________________________ 
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.