Cambridge Audio Azur 540R V3, Service Manual, Page: 20 / 51

CAMBRIDGE A
UDIO 540R V3
Decoder Circuit Board (P
ower Supplies)
6 5
7
8
IC
2
0
B
N
JM
2068
6 5
7
8
IC
2
1
B
N
JM
2068
C8
5
470P/50V
R1
2
1
2.8K
R
133
634
R1
4
1
90.9
R1
3
4
634
R1
3
5
634
R1
4
2
90.9
R5
1
10K
R1
4
5
332
R1
3
9
3.
32K
R1
2
3
1K
C
86
470P/50V
C5
0
0.1u
F
/50V
C5
1
0.1uF/ 50V
C5
2
0.1u
F
/50V
+
C9
9
100u
F
/10V
+
C9
8
100u
F
/10V
C1
0
8
2700P/100V
AGN
D
AGN
D
AGN
D
AGN
D
2 3
1
4
IC
2
0
A
N
JM
2068
2 3
1
4
IC
2
1
A
N
JM
2068
C8
7
470P/50V
R1
2
2
2.8K
R
136
634
R1
4
3
90.9
R1
3
7
634
R1
3
8
634
R1
4
4
90.9
R5
2
10K
R1
4
6
332
R1
4
0
3.32K
R1
2
4
1K
C
88
470P/50V
C5
3
0.1u
F
/50V
C5
4
0.1uF/ 50V
C5
5
0.1u
F
/50V
+
C1
0
1
100u
F
/10V
+
C
100
100u
F
/10V
C
109
2700P/100V
AGN
D
AGN
D
AGN
D
AGN
D
AI
N
R
+
AI
N
R
-
AI
N
L
+
AI
N
L
-
R-
O
L-
O
R1
1
9
1.5K
R1
2
0
1.5K
AGN
D
AGN
D
AGN
D
AGN
D
C5
6
0.
1u
F
/50V
C5
7
0.1u
F
/50V
+
C1
0
2
100u
F
/10V
1
3
2
IC
1
6
K
A
7805A
5V
A
AC1
V+
AC2
-V
D5
D
B
104G
AC1
V+
AC2
-V
D4 D
B
104G
+
C
138
4700u
F
/16V
C1
1
4
0.1u
F
/50V
1
1
2
2
3
3
4
4
5
5
5P
J2 5P(2.5)
VI
N
1
GND
2
VOUT
3
U1 K
A
7805
+
C1
4
1
100u
F
/10V
C1
1
5
0.1u
F
/50V
5V
D
+
C
139
3300u
F
/25V
C1
1
8
0.1u
F
/50V
VI
N
1
GND
2
VOUT
3
U2 K
A
7812
+
C
143
47u
F
/25V
C
120
0.
1u
F
/50V
+
C1
4
0
3300u
F
/25V
C
121
0.
1u
F
/50V
+
C1
4
4
47u
F
/25V
C
119
0.1u
F
/50V
VI
N
2
GND
1
VOUT
3
U4
K
A
7912A
12V -12V
R1
6
9
1W
/0.22(R
F
)
R
170
1W
/0.22(R
F
)
R1
6
8
1W
/0.22(R
F
)
I
3
A
1
O
2
U3 L
D
1117D
T
25
C1
1
6
0.1u
F
/50V
+
C1
4
2
47u
F
/25V
C1
1
7
0.1u
F
/50V
AGN
D
2.
5V
D
AGN
D
2.
5V
5V
D
DG
ND
DG
ND
IN
1
1
IN
2
3
AGN
D
2
AGN
D
4
VE
E
5
AGN
D
6
VCC
7
CL
K
8
DA
T
A
9
MUT
E
10
DG
ND
11
SEL
12
OUT
2
13
OUT
1
14
LO
G
IC
IC
1
5
B
D
3812F
Y1
1
Y0
2
VE
E
7
VSS
8
YC
O
M
15
VDD
16
X1
13
X0
12
XC
O
M
14
Z1
3
Z0
5
ZC
O
M
4
A
11
B
10
C
9
IN
H
6
IC
1
4
T
C
4053B
F
7.
1
C
H
U
S
E
DVD
BR
D
SP B
R
VOL
-CL
K
VOL
-DA
T
A
+
C1
3
1
10u
F
/16V
R1
5
9
68K
BR
AGN
D
BR
OUT
3816
M
U
T
E
C1
1
2
0.1u
F
/50V
C1
1
3
0.
1u
F
/50V
AGN
D
AGN
D
R6
1
820K
AGN
D
C1
1
1
0.
1u
F
/50V
C1
1
0
0.1u
F
/50V
AGN
D
DVD/
DS
P
AGN
D
AGN
D
Q6
2S
C
2120
Q5
2S
A
950
D6 6B
8
D7 6B
8
R1
7
3
1K
R1
7
4
1K
AGN
D
+
C7
8
47u
F
/25V
+
C7
9
47u
F
/25V
+
C8
0
47u
F
/25V
+
C8
1
47u
F
/25V
+7
V
-7
V
14.
5V
~
14.
5V
~
7.
5V
~
R1
7
1
6.8
R1
7
2
6.8
C1
4
5
333 C1
4
6
333
+
C1
3
2
100u
F
/16V
+
C1
3
3
100u
F
/16V
R1
4
8
150
R1
4
7
150
R1
4
9
150
R1
5
0
150
AGN
D
AGN
D
C5
8
0.
1u
F
/50V
C5
9
0.1u
F
/50V
CE
C
6
0
0
.1u
F
/50V
C6
1
0.
1u
F
/50V
DG
ND
AGN
D
-vv
15N
C
12
20