Denon AVR-S540BT Service Manual

Make sure to initialize this unit after replacing the microcomputer or any peripheral equipment, or the
digital PCB.
1. Press the power button to turn off the power.
2. While holding down buttons "
TUNER PRESET CH+
" and "
TUNE +
" simultaneously, press the power
button to turn on the power.
3. Release the buttons after conrming that the display ashes at 1-second intervals.
＊ The unit is initialized.
NOTE： • If the unit fails to enter the service mode in step 3, repeat the procedure from step 1.
• Initializing the device restores the customized settings to the factory settings. Write down
your settings in advance and recongure the settings after initialization.
TUNER
PRESET CH +
X
TUNE +
Initializing this Unit
POST-SERVICE PRECAUTIONS
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
7

Denon AVR-S540BT Specifications

General

Brand	Denon
Model	AVR-S540BT
Category	Stereo Receiver
Language	English