6
CAUTIONS 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. were replaced.
1. Turn off the power pressing ON/STANDBY button.
2. Press ON/STANDBY button while simultaneously while pressing DOCK CONTROL
8
and DOCK CONTROL
9
buttons.
3. Check that the entire display is ashing at intervals of about 1 second, and then release the 2 buttons.
The microprocessor will be initialized.
Service Jig
When you update the rmware, you can use the following
JIG (RS232C to internal connector conversion adapter).
Please order it from Denon Ofcial Service Distributor in your region if necessary.
8U-210100S : WRITING KIT : 1 Set
606050028012P : 7P FFC(1.0) L-240 : 1 Set
(Refer to "PROCEDURE FOR UPGRADING THE VERSION OF THE FIRMWARE".)
Note: • If step 3 fails, start over from step 1.
• All user settings will be lost and the factory setting will be recovered after the set is initialized.
So make sure to note down your setting beforehand for restoring after the initialization.
ON/STANDBY
DOCK CONTROL 8
DOCK CONTROL 9
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