Denon AVR-4520 Service Manual

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1.4. Version display on the Setup Menu
Use the following procedure to display the rmware version.
(1) Press the "SETUP" button on the remote control.
(2) Select "General-Information-Firmware".
A version with 12 digits is displayed as shown in the following image.
AVR-4520 GUI Image
The displayed 12 digits are derived from each device version as shown below
b
This rmware version No. (xxxx-xxxx-xxxx) is included in the service contact document.
These 12 digits are also included in the document.
0215-7241-1281
Main μcom 0 0 2 7
Info display
0 2 1 5 - 7 2 4 1 - 1 2 8 1
Sub μcom 6 2 1 2 0 0 1 4
A.PLD 2 0 1 0
DSP1 7 8 0 2
DSP2 7 9 0 1
DSP3 8 0 0 5
GUI 6 2 1 2 0 0 2 1
DM860A FBL 0 9 0 3 1 1
DM860A SBL B 2 0 1 2 0 5 0 9 0 6 4 7
DM860A IMG I 2 0 1 2 0 6 2 8 0 2 1 8
The 1st digit from the right for Main μcom
The 1st digit from the right for Sub μcom
The 1st digit from the right for GUI
The 1st digit from the right for DSP3
The 1st digit from the right for
DSP2
The 1st digit from the right for A.PLD
The 1st digit from the right for DSP1
The 2nd digit from the right for Sub μcom
The 2nd digit from the right for Main μcom
The 2nd digit from the right for GUI
The 2nd digit from the right for IMG
The 1st digit from the right for IMG
0215-7241-1281
Main μcom 0 0 2 7
Info display
0 2 1 5 - 7 2 4 1 - 1 2 8 1
Sub μcom 6 2 1 2 0 0 1 4
A.PLD 2 0 1 0
DSP1 7 8 0 2
DSP2 7 9 0 1
DSP3 8 0 0 5
GUI 6 2 1 2 0 0 2 1
DM860A FBL 0 9 0 3 1 1
DM860A SBL B 2 0 1 2 0 5 0 9 0 6 4 7
DM860A IMG I 2 0 1 2 0 6 2 8 0 2 1 8
The 1st digit from the right for Main μcom
The 1st digit from the right for Sub μcom
The 1st digit from the right for GUI
The 1st digit from the right for DSP3
The 1st digit from the right for
DSP2
The 1st digit from the right for A.PLD
The 1st digit from the right for DSP1
The 2nd digit from the right for Sub μcom
The 2nd digit from the right for Main μcom
The 2nd digit from the right for GUI
The 2nd digit from the right for IMG
The 1st digit from the right for IMG

Denon AVR-4520 Specifications

General

Impedance	8 Ω
Receiver type	Surround
Frequency range	10 - 100000 Hz
Input sensitivity	200 mV
Audio output channels	7.1 channels
Audio A/D Converter (ADC)	24-bit/192kHz
Signal-to-Noise Ratio (SNR)	102 dB
Power output per channel (1KHz@6 Ohm)	190 W
Power output per channel (20-20KHz@8 Ohm)	150 W
HDMI in	7
Composite video in	4
USB ports quantity	1
Digital audio optical in	2
Component video (YPbPr/YCbCr) in	3
Connectivity technology	Wired
Speakers connectivity type	-
Audio formats supported	AAC, FLAC, MP3, WMA
Wi-Fi	No
Ethernet LAN	Yes
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Product color	Silver
Audio decoders	Dolby Digital EX, Dolby Pro Logic IIz, Dolby TrueHD, DTS 96/24, DTS Neo:6, DTS Neo:X, DTS-HD
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Apple docking compatibility	Not supported
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	780 W

Weight and Dimensions

Depth	423 mm
Width	434 mm
Height	195 mm
Weight	16500 g