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Denon AVR-4520 Service Manual

Denon AVR-4520
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68
3.5.3. Clearing the protection history
There are two ways to clear the protection history, as described below.
(1) Start up the set in error (protection display) mode and display the error, then press and hold down the "ENTER"
button for 3 seconds.
Upper
P R O T E C T H I S T O R Y
Lower
: T H E R M A L A
Press the "ENTER" button for 3 seconds.
Upper
P R O T E C T H I S T O R Y
Lower
C L E A R
The above is displayed and the protection history is cleared.
Upper
P R O T E C T H I S T O R Y
Lower
: N O P R O T E C T
(2) Initialize. (Refer to "Initializing INTEGRATED NETWORK AV RECEIVER" 9 page.)
b
If you want to save a backup, perform the method in 2.3.(1) above.
Warning indication by the POWER LED
If the power is turned off when a protection incident has been detected, the POWER LED (red) ashes as a warning
according to the conditions in which the protection incident occurred.
(1) ASO/DC PROTECTION : Flashes at intervals of 0.5 seconds (0.25 seconds lit, 0.25 seconds off)
(2) THERMAL (A/B) PROTECTION : Flashes at intervals of 2 seconds (1 second lit, 1 second off)
(3) CURRENT PROTECTION : Flashes at intervals of 4 seconds (2 second lit, 2 second off)
3.6. 232C standby clear mode
3.6.1.Specications
This switches the 232C standby mode to the Normal standby mode.
3.6.2. Starting up
Press the "ENTER" button while the following is displayed to switch to the Normal standby mode.
Upper
2 . P R O T E C T I O N
Lower
3 . R S 2 3 2 C R E S E T

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Denon AVR-4520 Specifications

General IconGeneral
Impedance8 Ω
Receiver typeSurround
Frequency range10 - 100000 Hz
Input sensitivity200 mV
Audio output channels7.1 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 in7
Composite video in4
USB ports quantity1
Digital audio optical in2
Component video (YPbPr/YCbCr) in3
Connectivity technologyWired
Speakers connectivity type-
Audio formats supportedAAC, FLAC, MP3, WMA
Wi-FiNo
Ethernet LANYes
FM band range87.5 - 108 MHz
Supported radio bandsAM, FM
Product colorSilver
Audio decodersDolby Digital EX, Dolby Pro Logic IIz, Dolby TrueHD, DTS 96/24, DTS Neo:6, DTS Neo:X, DTS-HD
USB 2.0 ports quantityUSB 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 compatibilityNot supported
AC input voltage230 V
AC input frequency50 Hz
Power consumption (standby)0.1 W
Power consumption (typical)780 W
Weight and Dimensions IconWeight and Dimensions
Depth423 mm
Width434 mm
Height195 mm
Weight16500 g

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