Denon avr-887 0028 vers check Service Manual

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The Operating Manual for DENON AV Receiver firmware update.           
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1.  Specific update mode. 
If you failed update during Main CPU update, then you need to use this specific update procedure. 
1) The AV Receiver is connected with PC with the RS-232C cable. Refer to 1.3.  
2) Push the ‘SPEAKER A’ + ‘ZONE 2’ button simultaneously. 
And turn on the power switch of the AV Receiver. 
3) Power indicator indicates red color. This is specific update mode. 
4) Please execute the firmware update. Refer to 2.3. 
 
 
2.  Confirming the firmware’s number after upgraded 
 
After completion of the updating operation, the new version number can be confirmed by 
starting up the AVR-887BKE3 according to the following procedure. 
With the following operation, the AVR-887BKE3 can be set to the Flash-ROM 
Version-Number Confirmation Mode. 
Turn the power of the AVR-887BKE3 on, while holding both “STATUS” button and 
“DIMMER” button on the front panel simultaneously.  
 
 
 
 
Every time the “STATUS” Button is pressed, version numbers of the MAIN, SUB,  
etc. are indicated on the front panel section in the following order. 
 
Depression 
Button  
Name  
Remarks 
1 STATUS 
MODEL 
 AVR 
STATUS 
MAIN   
00.66 
3 STATUS 
SUB 
00.28 
4 STATUS 
DSP 
35.23 
 
STATUS
 
DIMMER 
Turn
 
Power ON