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Denon AVR-4520 Service Manual

Denon AVR-4520
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90
Error
Code
Details of Error code Display Coping strategies
14 BlockWrite failed while rewriting Main.
M a i n * * * m i n
U p d a t i n g f a i l 1 4
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
15
Error in Verify after rewriting Main
(CheckSumError).
M a i n * * * m i n
U p d a t e C h e c k N G 1 5
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
20 Unable to detect USB after SBLMode.
C o n n e c t i o n f a i l
2 0
Disconnect and connect the USB
memory.
21
No FirmwareFile in USB after
SBLMode.
F i l e s N o t F o u n d
2 1
Disconnect and connect the USB
memory.
22
FirmwareFile in USB after SBLMode
for unsupported Model name/area
N o t M a t c h F i r m
2 2
Check the supported Model name/area
for the FirmwareFile.
23
Failed to obtain entire Firmware
information after SBLMode.
C o n n e c t i o n f a i l
2 3
Disconnect and connect the USB
memory.
24
TimeOut while obtaining entire
Firmware information after SBLMode
C o n n e c t i o n f a i l
2 4
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
25 Failed to transit to SBLMode.
C o n n e c t i o n f a i l
2 5
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
26
TimeOut in Download (writing to
SDRAM) for FirmwareDownload
D o w n l o a d f a i l
2 6
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
27
Failed to write to EEPROM after
SBLMode.
C o n n e c t i o n f a i l
2 7
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
36 Unable to detect USB.
M a i n * * * m i n
C o n n e c t i o n F a i l 3 6
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the POWER
button for ve seconds.
37 No FirmwareFile in USB.
M a i n * * * m i n
F i l e s N o t F o u n d 3 7
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
38
FirmwareFile in USB for unsupported
Model name/area
M a i n * * * m i n
N o t M a t c h F i r m 3 8
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
39 TimeOut in USBCheck
M a i n * * * m i n
C o n n e c t i o n F a i l 3 9
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.
3A
Unable to detect USB for
FirmwareDownload.
M a i n * * * m i n
C o n n e c t i o n F a i l 3 A
This unit automatically retries several
times. Wait until the FL display stops.
If the FL display stops at the Error
display, press and hold the
"Power
operation (
X
)"
button for ve seconds.

Table of Contents

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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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