Denon AVR-4520, Service Manual

Page: 159 / 281

159
STBY POWER GND POWER - POWER +
DGND
D5V
DGND
DSP1.1V
BLM21PG221
L3
OPEN
C4
10/6.3
C16
OPEN R4
OPEN
L4
OPEN
R13
OPEN
C6
10/6.3
C14
150K
R11
0.1
C12
10/6.3
C8
1000P
C22
OPEN
R6
150K
R9
0.01
C10
0.1
C20
150K
R10
10P
C18
EX3AV
U2
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
PVIN
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)
47K
R2
BLM21PG221
L7
0.1
C2
BLM21PG221
L8
DA_POWER
DSP1.1V
DGND
DSP1.1V
DGND
DSP3.3V
DSP3.3V
DSP3.3V
DSP3.3V
0
R1
1000P
C23
1000P
C24
1000P
C25
OPEN
C26
OPEN
C27
DSP_UNIT(1/5)
8U-310115-1
DA_POWER
DA_POWER
DSP1.1V
TO DIGITAL CONNECT
TO
DSP1
DSP1.1V
TO
DSP2
TO
DSP3
TO 8U-310115-1(2/5 )
TO 8U-310115-1(3/5)
TO 8U-310115-1(4/5)
TO 8U-310115-1(5/5)
8 7 6 5 4 3 2 1
A
B
C
D
E
F
SCHEMATIC DIAGRAMS (14/36)
NETWORK/DSP UNIT (1/9)