Surround Mode - Denon AVR-591 Service Manual

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 flashing with an interval of about 1 second, and release your fingers from the 2
buttons and the microprocessor will be initialized.
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 m+emorize your setting for restoring after the initialization.
Service Jigs
When you repair the printing board, you can use the following JIG (Extension cable kit).
Please order to Denon Official Service Distributor in your region if necessary.
8U-110084S : EXTENSION UNIT KIT
(Refer to 20 page)
When you update the firmware, you can use the following
JIG (RS232C to internal connector conversion adapter with 8P cable kit ).
Please order to Denon Official Service Distributor in your region if necessary.
8U-210100S : WRITING KIT
(Refer to 22 page)
ON/STANDBY
: 2 Set
: 1 Set

SURROUND MODE 1

SURROUND MODE 0
5