Denon AVR-4520 Service Manual

179
STBY POWERGND POWER -POWER +
D5V
DGND
SCPUPOWER_MO
Q1905
OPEN
0.1
C1923
SCPUTXD
R1919
100K
MAIN_BDOWN
Q1903
2SA2018
DGND
Q1904
OPEN
C1920
1u
Q1902
KRC402E-RTK
OPEN
R1909
CPUPOWER_MO
C1919
0.1
0.1
C1912
R1920
100
R1915
10K
232IMO3 SCPURXD
R1911
10K
0.1
C1922
R1918
22 K
TC74VHC244FT
U1902
1
1OE
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
R1910
33
1000P
C1921
2SC4617EB
Q1906
REMOTEPOWER_MO
MAIN_RESET
KDS160
D1901
232CONT
4.7K
R1907
R1912
3.3K
OPEN
R1908
R1917
47K
SCPU3.3V
R1913
OPEN
D5V
R1916
4.7K
SWM3.3V
REMOTE3.3V
C1918
0.015
232OMI3
M3.3V
DGND
KRC402E-RTK
Q1901
KDS160
D1902
SUB_BDOWN
MB_BDOWN
KDS160
D1903
Q1908
2SA2018
R1922
3.3K
Q1907
KRC404E-RTK
R1921
10K
SCPU5V
M3.3V
SCPU3.3V
232RX
232TX
PQ033DNA1ZPH
U1905
VIN
1
ON/OFF
2
GND
5
NC
4
VOUT
3
C1927 0.1 C1926 OPEN
10/6.3C1928
OPEN
C1925
C1915 OPEN C1916 0.1
OPEN
L1902
1000PC1911
0.1
C1910
10/6.3
C1904
10/6.3
C1907
10/6.3
C1908
680K
R1906
15P
C1909
0.1
C1906
BLM21PG221
L1901
EX3AV
U1901
1
NC(SW)
2
NC(SW)
3
NC
4
NC
5
VOUT
6
VOUT
7
VOUT
8
VOUT
9
VOUT
10
VOUT
11
VOUT
12
NC(SW)
13
PGND
14
PGND
15
PGND
16
PGND
17
PGND
18
PGND
19
PVI N
20
PVIN
21
PVIN
22
NC
23
NC
24
NC
25
PGND
26
NC
27
ENABLE
28
POK
29
EAOUT
30
SS
31
XFB
32
AGND
33
AVIN
34
NC(SW)
35
NC(SW)
36
NC(SW)
37
NC(SW)
38
NC(SW)
150K
R1904
OPENR190 2
OPEN
R1903
OPEN
C1903
47K
R1905
OPEN
C1902
BLM21PG221
L1904
0.01
C1905
47K
R1901
0.1
C1901
BLM21PG221
L1903
DGND
DA3.3V
DA_POWER
DGND
D5V
REMOTE3.3V
DA3.3V
10/6.3C1917 4.7uC1913
C1914 OPEN
4.7uC1924
IN
OUT
U1903
PST844 8
U1904
1
VDD
2
VSS
3
PDN
4
OUT
Q1909
FDC608PZ
1
2
3
4
5
6
47K
R1923
0
L1905
R1914
OPEN
3P-PH
N2102
1
2
3
Q1910
KRC402E-RTK
0
R1924
DIGITAL_UNIT
8U-310116(12/14)
OPENC1929 OPENC1930
SCPUPOWER_MO
232IMO3 SCPUTXD
232CONT 232OMI3
232TX
232RX
SCPUTXD
REMOTEPOWER_MO
MAIN_RESET
MAIN_RESET
232CONT
CPUPOWER_MO
MAIN_BDOWN
SCPURXD
SCPURXD
232OMI3
REMOTEPOWER_MO MB_BDOWN MAIN_BDOWN SCPUPOWER_MO
MB_BDOWN
232IMO3
232RX
232TX
DA_POWER
DA_POWER
M3.3V
CPUPOWER_MO
DA3.3V
RESET/SUPPLY
TO DIGITAL CONNECT
RX TX
RX TX
D5.2V
SWM
3.3V
REMOTE
3.3V
TO MAINCPU
M3.3V
RX
RX TX
TO SUBCPU
TX
SCPU
3.3V
SCPU
5V
M3.3V
DA3.3V
TO_AUDIO_PLD
TO DSP CONNECT
PQ033DNA1ZPH
TO 8U-310116(11/14)
TO 8U-310116(3/14)
TO 8U-310116(2/14)
TO 8U-310116(13/14) TO 8U-310116(14/14)
87654321
A
B
C
D
E
F
f
SCHEMATIC DIAGRAMS (34/36)
DIGITAL UNIT (12/14)
DW DU
CD
DS
TO DX TO DV
TO CC
TO DT

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