Denon AVR-X550BT 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-X550BT Specifications

General

Optical disc player type	-
Built-in HDD	No
Multichannel decoding	Yes
Audio decoders	Dolby Atmos, Dolby Surround, Dolby TrueHD
RMS rated power	130 W
Audio output channels	5.1 channels
Audio formats supported	AAC, FLAC, MP3, WMA
AM band range	522 - 1611 kHz
FM band range	58.5 - 1.8 MHz
Product color	Black
HDMI in	5
Composite video in	2
SCART ports quantity	0
Number of HDMI outputs	1
AC input voltage	230 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.1 W
Package weight	Weight of the packaged product in gram.

Weight and Dimensions

Main unit weight	7257 g
Main unit dimensions (WxDxH)	431 x 304 x 127 mm