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Denon AVR-4520 Service Manual

Denon AVR-4520
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206
LAN8720A Pin Function
LAN8720A Block Diagram
Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
SMSC LAN8720A/LAN8720Ai 15 Revision 1.3 (04-20-11)
DATASHEET
2.1 Pin Assignments
Table 2.8 24-QFN Package Pin Assignments
PIN NUM PIN NAME PIN NUM PIN NAME
1 VDD2A 13 MDC
2 LED2/nINTSEL
14 nINT/REFCLKO
3 LED1/REGOFF
15 nRST
4 XTAL2 16 TXEN
5 XTAL1/CLKIN 17 TXD0
6 VDDCR 18 TXD1
7 RXD1/MODE1
19 VDD1A
8 RXD0/MODE0
20 TXN
9 VDDIO 21 TXP
10 RXER/PHYAD0
22 RXN
11 CRS_DV/MODE2
23 RXP
12 MDIO 24 RBIAS
Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Revision 1.3 (04-20-11) 8 SMSC LAN8720A/LAN8720Ai
DATASHEET
Figure 1.1 System Block Diagram
Figure 1.2 Architectural Overview
LAN8720A/
LAN8720Ai
10/100
Ethernet
MAC
RMII
Mode LED
Transformer
Crystal or
Clock
Oscillator
MDI
RJ45
RMII Logic
Interrupt
Generator
LEDs
PLL
Receiver
DSP System:
Clock
Data Recovery
Equalizer
Squeltch
& Filters
Analog-to-
Digital
10M RX
Logic
100M RX
Logic
100M PLL
10M PLL
Transmitter
10M
Transmitter
100M
Transmitter
10M TX
Logic
100M TX
Logic
Central Bias
PHY Address
Latches
LAN8720A/LAN8720Ai
RBIAS
LED1
nINT
XTAL2
XTAL1/CLKIN
LED2
Management
Control
Mode Control
Reset Control
MDIX
Control
HP Auto-MDIX
RXP/RXN
TXP/TXN
TXD[0:1]
TXEN
RXD[0:1]
RXER
CRS_DV
MDC
MDIO
Auto-
Negotiation
RMIISEL
nRST
MODE[0:2]
SMI
PHYAD0

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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