Denon AVR-4520 Service Manual

114
YES
YES
YES
YES
YES
YES
YES
Is the set connected to the network by connecting the LAN cable to
any of the ports?
Is the 8U-210119-8 board inserted to the 8U-310115-2 board
properly?
Is the voltage across C775 on the 8U-310115-2 board 3.3V?
Is the voltage across C746 on the 8U-310115-2 board 1.8V?
Is the voltage for 33 pin on the 8U-310115-2 board 5.2V?
Is output voltage (3.3V) supplied from U609?
Is output voltage (1.2V) supplied from U608?
Is the version of IMG or Ethernet SBL displayed with Version check
mode?
The U706 or U702 and surrounding circuitry are defective.
A part between U702-N701 on the 8U-
310115-2 board has poor soldering or is
defective.
Connect them properly.
U705 peripheral circuits on the 8U-310115-2
board have poor soldering or are defective.
Q701 peripheral circuits on the 8U-310115-2
board have poor soldering or are defective.
The circuit from AC inlet to N605 is
defective.
The U609 and surrounding circuitry or
circuitry of 3.3v device is defective.
The U608 or U503 and surrounding circuitry
is defective.
The rmware of ethernet is defective.
NO
NO
NO
NO
NO
NO
NO
It is not connected
through a specic port.
It is not connected through all port.

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