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CAUTION IN SERVICING
Initializing AV SURROUND RECEIVER
AV SURROUND RECEIVER initialization should be performed when the μcom, peripheral parts of μcom, and Digital
P.W.B. are replaced.
1. Turn off the power using ON/STANDBY button.
2. Press ON/STANDBY button while simultaneously pressing SURROUND MODE
0
and SURROUND MODE
1
buttons.
3. Check that the entire display is fl ashing with an interval of about 1 second, and release your fi ngers from the 2
buttons and the microprocessor will be initialized.
Service Jigs
When you update the fi rmware, you can use the following
JIG (RS232C to internal connector conversion adapter with 4P FFC cable kit ).
Please order to Denon Offi cial Service Distributor in your region if necessary.
8U-210100S : WRITING KIT : 1 Set
606050028012P
: 7P FFC(1.0) L-240 : 1 Set
(Refer to "VERSION UPGRADE PROCEDURE OF FIRMW
ARE".)
Note: If step 3 does not work, start over from step 1.
All user settings will be lost and this factory setting will be recovered when this initialization mode.
So make sure to memorize your setting for restoring after the initialization.
SURROUND MODE 0
SURROUND MODE 1
ON/STANDBY