5
CAUTION IN SERVICING
Before the Digital P.W.B. are replaced
If you cannot specify the cause of the digital PWB defect, carry out "Initializing" → "Update to latest rmware".
The defect may be cleared.
・
See the following for the method of initializing the μcom.
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 STANDARD and DSP SIMULATION
buttons.
3. Check that the entire display is ashing with an interval of about 1 second, and release your ngers from the 2
buttons and the microprocessor will be initialized.
Service Jigs
When you repair the printing board, you can use the following JIG (Extension cable kit).
Please order to Denon Ofcial Service Distributor in your region if necessary.
8U-110084S : EXTENSION UNIT KIT : 1 Set
(Refer to 21 page)
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.
2,31,2
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