Caution In Servicing; Initializing Av Surround Receiver; Service Jigs; Surround Mode - Denon AVR-2311CI 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 memorize 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)
[891E3, 891EA model]
When you update the firmware, you can use the following
JIG (RS232C to internal connector conversion adapter with 4P FFC cable kit ).
Please order to Denon Official Service Distributor in your region if necessary.
8U-210100S : WRITING KIT
(Refer to 23 page)
ON/STANDBY
: 1 Set s
: 1 Set

SURROUND MODE 1

SURROUND MODE 0
6