Cambridge Audio Azur 740C CD Player
AP20020/6 D
A
C Circuit Diagram (Supply & Connectors)
D7
SB1H
1
00
D8
SB1H
1
00
D9
SB1H
100
D10
SB1H
1
00
+
21V
UNREG
-21V
UNREG
C59
100N100V
C60
100N100V
C61
33N250V
SC
H
O
T
T
K
Y
REC
T
IFIER
D3
SB1H
1
00
D4
SB1H
100
D5
SB1H
1
00
D6
SB1H
100
+
10V
UNREG
C44
100N100V
SC
H
O
T
T
K
Y
REC
T
IFIER
VI
1
VO
3
GND
2
U14
7815
VI
2
VO
3
GND
1
U16
7915
+1
5
V
-1
5
V
VI
1
VO
3
GND
2
U17
7805
DAC
1_V
A
_
+
5
V
ANALOG
U
E
S
U
PPLY
C57
2200U35V
EL
C58
2200U35V
EL
C70
2200U35V
EL
C71
2200U35V
EL
POWE
R
D11
SB1H
100
D12
SB1H
1
00
D13
SB1H
100
D14
SB1H
1
00
+
21V
UNREG
(2)
-21V
UNREG(2)
C35
100N100V
C100
100N100V
C101
33N250V
SC
H
O
T
T
K
Y
REC
T
IFIER
VI
1
VO
3
GND
2
U22
7815
VI
2
VO
3
GND
1
U24
7915
+15
V
(2
)
-1
5
V
(2
)
VI
1
VO
3
GND
2
U25
7805
DAC
2
_
V
A
_
+
5V
C118
2200U3
5VEL
C119
2200U3
5VEL
C120
2200U3
5VEL
C121
2200U3
5VEL
VI
3
VO
2
GND
1
U26
LM
1117T
_
3.
3
3.3V
VI
1
VO
3
GND
2
U27
7805
+
5
V
_
DAC
C11
5
10U35V
EL
VI
1
VO
3
GND
2
U29
7805
+5V
_
O
S
C
C12
5
10U35V
EL
C12
9
10U35V
EL
1.2V
D
S
P
Vext
=
1
2
0
m
A
dir
&
dit
=
25mA
logic
gat
e
s
=
5
m
A
logic
gat
e
s
=
4
m
A
optical
Tx
/R
x
=
30mA
D
A
C
1
&
D
AC2
V
d
=
44mA
DAC
2
V
d
=
44mA
DAC
1
V
d
=
44mA
OSCIL
L
A
T
OR
pic
c
ircu
itry
=
100mA
AB
US
RS2
3
2
C42
2200U35V
EL
C13
6
2200U35V
EL
C12
7
10U35V
EL
R1
1
1R0
2W
R1
2
1R0
2W
R1
4
1R0
2W
R6
7
1R0
2W
VI
1
VO
3
GND
2
U31
7805
+5
V
C66
10U35V
EL
VI
3
VO
2
GND
1
U18
LM
1117T
_
3.
3
C13
1
10U35V
EL
C15
0
10U35V
EL
OSC
_
3.3V
C141
10U3
5VEL
F1
POLYFU
SE
0.5A
60V
F2
POLYFU
SE
0.5A
60
F3
POLYFU
SE
3A
60V
F4
POLYFU
SE
0.5A
60V
F5
POLYFU
SE
0.5A
60V
C4
3
100N
50V
X7R
SM
0805
C4
5
100N
50V
X7R
SM
0805
C5
1
100N
50V
X7R
SM
0805
C5
2
100N
50V
X7R
SM
0805
C34
10U35V
EL
Q1
1
TI
P
3
1
e
tc
=
60mA
C1
3
5
10U
3
5V
EL
C6
2
100N
50V
X7R
SM
1206
C47
100N50V
X7R
SM
0805
C12
8
100N50V
X7R
SM
0805
C13
0
100N50V
X7R
SM
0805
C1
3
2
100N
50V
X7R
SM
0805
C13
4
100N50V
X7R
SM
0805
C1
1
4
100N
50V
X7R
SM
0805
C1
1
6
100N
50V
X7R
SM
0805
C1
2
4
100N
50V
X7R
SM
0805
C1
2
6
100N
50V
X7R
SM
0805
C6
9
100N
50V
X7R
SM
0805
C1
4
2
100N
50V
X7R
SM
0805
C1
0
8
100N
50V
X7R
SM
0805
C1
0
9
100N
50V
X7R
SM
0805
C1
0
3
100N
50V
X7R
SM
0805
C1
0
2
100N
50V
X7R
SM
0805
C21
3
100U35V
EL
C1
6
100U
3
5V
EL
AC
_5V
C25
100U3
5VEL
C1
0
4
100U
3
5V
EL
C1
0
5
100U
3
5V
EL
C4
6
100U
3
5V
EL
C1
3
7
100U
3
5V
EL
C6
4
10U
3
5V
EL
C1
1
2
10U
3
5V
EL
1
P1
PAD
EM
C
M
3
C1
1
7
100N
50V
X7R
SM
0805
R1
5
2
47R
1/
4W
VI
1
VO
3
GND
2
U49
7815
C13
3
100N50V
X7R
SM
0805
C24
0
100N50V
X7R
SM
0805
VI
1
VO
3
GND
2
U51
7815
C243
100N50V
X7R
SM
0805
C251
100N50V
X7R
SM
0805
C252
10U3
5VEL
C24
1
10U35V
EL
C253
100N50V
X7R
SM
1206
C254
100N50V
X7R
SM
1206
+
10V
UNREG
Q6
MP
S
A
1
4
R1
6
0
32R
2W
R1
6
1
10K
0805
STANDBY
CONT
ROL
1
2
3
4
5
6
7
8
9
10
CN
1
0
2,5M
M
10W
S
T
H
EADER
Q1
0
T
IP31
D24
6.2V
R1
6
3
470R
1206
R1
6
4
470R
1206
R1
6
5
10K
0805
R
166
10K
0805
HIGH
-
O
N
LO
W
-
S
T
ANDB
Y
R1
6
7
10K
0805
Q1
3
BC
817-
2
5
Q1
7
BC
817-
2
5
Q1
8
BC
817-
2
5
Q1
2
BC
817-
2
5
D2
BYG
1
0G
D21
BYG
1
0G
D23
BYG
1
0G
D22
BYG
1
0G
1
P2
PAD
EM
C
M
3
1
P3
PAD
EM
C
M
3
1
P4
PAD
EM
C
M
3
C6
8
1N
50V
NP0
SM
0805
C1
8
3
1N
50V
NP0
SM
0805
C1
8
9
1N
50V
NP0
SM
0805
D30
1N400
2
R8
6
10K
0805
VI
1
VO
3
GND
2
U36
7805
C21
1
10U35V
EL
C2
3
6
100N
50V
X7R
SM
0805
C2
3
7
100N
50V
X7R
SM
0805
+
5
V
_
DIG
VI
2
SHD
N
1
GND
3
VO
4
ADJ
5
U30
LT
1963AET
C63
47N16V
ECH
USM
C49
47N16V
EC
HU
SM
C50
47N16V
ECH
USM
C107
47N16V
EC
HU
SM
C106
47N16V
EC
HU
SM
C110
47N16V
EC
HU
SM
C111
47N16V
EC
HU
SM
C1
3
8
100N
50V
X7R
SM
0805
C140
100N50V
X7R
SM
0805
C2
5
0
1000U
2
5V
EL
C6
5
1000U
25V
E
L
R1
3
3
220R
2W
Rev
6:
C
h
a
n
ge
C
35,
C
5
9
fr
o
m
33N
250V
to
100N
100V
C
h
an
ge
C
61,
C
101
fr
o
m
100N
100V
to
33N
250V
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