Denon dvd-5900 ost-810 Service Manual

Page of 2
 
100 Corporate Drive Mahwah, NJ 07430
 
 
       
 
 
 
Service Bulletin
 
No
. : OST-810 
Date:
 May 15, 2007 
_____________________________________________________________
 
 
Model:
 
DVD-5900   
 
 
 
 
 
 
 
Subject: 
Countermeasure for the malfunction upon playing back particular 
discs.
 
 
 
 
 
 
 
 
Symptom:
 Occasionally the unit indicates "NO DISC" only when loading the 
following type number CDDA manufactured by Shefield.  
1) MDMS System Conditioning Disc (Part Number: SHEFIELD LAB SCD-081-
0094 G1 960420)  
2) XLD test and burn in (SHEFIELD LAB 10041-2 SCD-081-0016 942704 SRC 
01) 
 
 
Solution:  
Please apply the following modification to your customer's unit only 
when the malfunction due to the above disc(s) was reported. (This excludes units 
to be refurbished (FT) or repaired due to other reasons.)
 
 
Modification Procedure:
  
(1) Removing the MECHA Unit   
(2) Removing the MAIN P. W. B.   
(3) Replacement of the resistor   
(4) Installing the MAIN P. W. B.   
(5) Installing the MECHA Unit   
(6) Confirming the actual operation. 
 
(1)  Remove the MECHA Unit from the unit. (Refer to the Service Manual, pages 
4 ~ 5.)  
(2)  Remove the MAIN P. W. Board (GU-3512) from the MECHA Unit. (Refer to 
the Service Manual page 10.)  
______________________________________________________________________________________ 
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