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Denon AVR-4520

Denon AVR-4520
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D&M Holdings Inc.
SERVICE MANUAL
e
e
MODEL JP E3 E2 EK EA E1C E1K E1C
AVR-4520CI
P
AVR-4520
P P
INTEGRATED NETWORK AV RECEIVER
Ver. 5
S0584-1V05DM/DG1211
Some illustrations using in this service manual are slightly different from the actual set.
Please use this service manual with referring to the operating instructions without fail.
• For purposes of improvement, specications and design are subject to change without notice.
Please refer to the
MODIFICATION NOTICE.

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

Summary

Safety Precautions

Leakage Current Check

Outlines the procedure and criteria for performing a leakage current check before returning the set to the customer.

Cautions

Provides general cautions and handling instructions for servicing and inspection procedures.

Technical Specifications

Audio Section

Details the specifications for the audio amplifier, including rated output and dynamic power.

Video section

Outlines specifications for the video section, covering standard and component video connectors.

General

Covers general specifications such as power supply voltage, consumption, and weight.

Disassembly

FRONT PANEL SUB ASSY

Refers to the disassembly procedure and exploded view for the front panel sub assembly.

RADIATOR(L) SUB ASSY

Refers to the disassembly procedure and exploded view for the left radiator sub assembly.

RADIATOR(R) SUB ASSY

Refers to the disassembly procedure and exploded view for the right radiator sub assembly.

POWER TRANS

Refers to the disassembly procedure and exploded view for the power transformer.

BACK PANEL SUB ASSY

Refers to the disassembly procedure and exploded view for the back panel sub assembly.

Special Mode

Firmware Update Procedures

1. How to update by DFW

Details the procedure for updating firmware using the DFW software.

2. How to update by DPMS

Guides on how to check for the latest firmware and perform the update via DPMS.

3. How to update by USB Memory

Guides on how to insert the USB memory into the unit's USB port for firmware update.

Trouble Shooting

1. Power

Provides a flowchart for troubleshooting power-related issues, including no power on.

2. Analog video

Guides on troubleshooting steps for no sound output in the analog audio section.

3. HDMIDVI

Provides a troubleshooting flowchart for issues with no picture or sound when using HDMI to HDMI connections.

4. AUDIO

Outlines a systematic check for audio output issues, guiding through analog and digital audio blocks.

Printed Wiring Boards

Schematic Diagrams

SPKSMPS UNIT (13)

Shows the schematic diagram for the SPK/SMPS unit.

Exploded View

Parts List of Exploded View

Parts List of Packing & Accessories

Semiconductors

1. ICs

Lists the major integrated circuits (ICs) used in the device, including their pin configurations.

R5 F56108 VNFP Terminal Functions

R5 F3650 NNFB Terminal Functions

MC14094 BDTR2 G (A.AUDIOVIDEO: U3001, U3002, U3003, U3004)

R2 A15220 FP (A.AUDIOVIDEO: U3201, U3202)

NJW1194 A (A.AUDIOVIDEO: U3203, U3204)

H27 U1 G8 F2 BTR-BC (NETWORKDSP: U0504)

SAA7121 (NETWORKDSP: U0607)

SAA7121 Pin Description

LAN8720 A (NETWORKDSP: U0706)

LAN8720 A Pin Function

Sil9575 CTUC (NETWORKDSP: U1001)

ADV7850 KBCZ-5 (DIGITAL: U1102)

MX29 LV160 DBTI-70 G (NETWORKDSP: U0103, U0203, U0303)

LC89057 W-VF4 A (DIGITAL: U0103, U0104)

PCM5100 PWR (DIGITAL: U0106)

AK5358 BET (DIGITAL: U0141)

PCM1795 (DIGITAL: U0403, U0404, U0405, U0406, U0407, U0408, U0409)

PCM1795 Block Diagram

Sil9575 CTUC Block diagram

ADV8003 (DIGITAL: U1102)

2. FL Display

Parts List of P.W.B. Unit

P.AMP PWB ASSY

DIGITAL PWB ASSY

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