Denon AVC-1930 Service Manual page 4

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. Switch off the unit.
2. Hold the following SPEAKER A button and SPEAKER B but-
ton, and switch on the unit.
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.
AVR-2307CI / AVR-2307 / AVR-887 / AVC-1930
SPEAKER A
4
SPEAKER B