Cambridge Audio Azur 740C, Руководство по обслуживанию

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Cambridge Audio Azur 740C CD Player
AP20020/6 D
A
C Circuit Diagram (SPDIF - RS232)
IR
OUT
IR
IN
IR
IN
C
N10
0
C
K
X-
3.5-
1
2
3.5mm J
A
CK
+5V
3
OPT
1
GND
2
U1
T
S
OP1836
IR
REC
E
IV
ER
+5
V
1 2
3
U3:
A
4011 VD
D
=
+
5
V
V
SS=G
N
D
1 2
6 5 4
NC
3
U2
OP4N2
5
5 6
4
U3:
B
4011 VD
D
=
+
5
V
V
SS=G
N
D
8 9
10
U3:
C
4011 VD
D
=
+
5
V
V
SS=G
N
D
12 13
11
U3:
D
4011 VD
D
=
+
5
V
V
SS=G
N
D
+5
V
36
k
H
z
IR
re
ce
iver
A K
D1
M
V
50640
1
2
5
CN
1
:A
AV
2-
8,4-
1
4/
EC
3
4
5
CN
1
:B
AV
2-
8,4-
1
4/
EC
R1
220R
0805
R3
10K 0805
R4
10K 0805
Q1
BC
817-
2
5
S
M
R5
10K 0805
R6
100R
0805
R7
100R 0805
R8
2R2 0805
C1
1N
50V
NP0
SM
0805
IR
OUT
R9
47R 0805
R1
0
220R 0805
SERIAL_
R
X
SERIA
L_T
X
OUT
P
U
T
1
GND
2
VCC
3
U4
APRX179A
T
1
2
3
CN
3
AV
-8
,4-
8
ES
C7
100N50V X7RSM
0805
C8
10U
3
5V
EL
R1
6
100R
0805
C11
1N50V NPO SM
0805
R1
8
75R 0805
OUT
P
U
T
1
GND
2
VCC
3
U5
APRX179A
T
1
2
3
CN
4
AV
-8
,4-
8
ES
C9
100N50V X7RSM
0805
R1
7
100R
0805
C13
1N50V NPO SM
0805
R1
9
75R 0805
1
2
U6:A
74V
H
C
1
4
V
C
C
=+5V
_
D
IG
5
6
U6:C
74V
H
C
1
4
V
C
C
=+5V
_
D
IG
13
12 U6:D
74V
H
C
14
V
C
C
=+5V
_
D
IG
11
10
U6:E
74V
H
C
14
V
C
C
=+5V
_
D
IG
9
8
U6:F
74V
H
C
14
VCC=
+
5
V_
D
IG
R2
0
100R 0805
R2
1
10K
0805
R2
2
100R 0805
R2
3
10K
0805
R2
4
100R
0805
R2
5
100R
0805
C17
100P50V NPOSM
0805
C18
100P50V NPOS M
0805
MU LTIPLEXER 1 MU LTIPLEXER 2
1E
1
S1
2
1-I
N
3
3
1-I
N
2
4
1-I
N
1
5
1-I
N
0
6
2-I
N
3
13
2-I
N
2
12
2-I
N
1
11
2-I
N
0
10
GND
8
2E
15
SO
14
1Y
7
2Y
9
VCC
16
U7
74V
H
C
153
3.3V
SO1_U
7
3.3V
C1
9
100N
50V
X7R
SM
0805
R2
6
10K 0805
R2
7
10K 0805
1 2
3
U8:
A
74V
H
C
32
V
C
C
=
3.3V
4 5
6
U8:
B
V
C
C
=
3.3V
10
9
8
U8:
C
VCC=
3
.3
V
13 12
11
U8:
D
V
C
C
=
3.3V
R2
8
0R
0805
C
S
8416_RX
P
0
MULTIPLEXER 1 MULTIPLEXER 2
1E
1
S1
2
1-I
N
3
3
1-I
N
2
4
1-I
N
1
5
1-I
N
0
6
2-I
N
3
13
2-I
N
2
12
2-I
N
1
11
2-I
N
0
10
GND
8
2E
15
SO
14
1Y
7
2Y
9
VCC
16
U9
C
S
8406_T
X
P
+
5
V
_
DIG
C2
0
100N
50V
X7R
SM
0805
SO
1_U
9
SO2_U
9
fs
=
44.1kH
z
fs
=
48kH
z
m
in
se
rv
o
spdi
f
pass
th
roug
h
fs
=
44.1kH
z
spdi
f
input
pass
th
roug
h
R2
9
1K 0805
R3
1
430R 0805
R3
2
91R
0805
1
2
3
CN
5
AV
-8
,4-
8
ES
C22
100P50V NPOS M
0805
C23
100N50V X7R SM
0805
GND
1
VCC
2
IN
PU
T
3
U10
APT
X
179AT
+
5
V
_
DIG
+5V
_
D
IG
+5V
_
D
IG
C24
100N50V X7RS M
0805
R3
3
100R
0805
74H
C
T
153
1
2
U23:A
V
C
C
=+5V
_
D
IG
3
4
U23:B
V
C
C
=+5V
_
D
IG
5
6
U23:
C
V
C
C
=+5V
_
D
IG
13
12
U23:
D
V
C
C
=+5V
_
D
IG
11
10
U23:
E
V
C
C
=+5V
_
D
IG
9
8
U23:F
V
C
C
=+5V
_
D
IG
3
4
U6:B
74V
H
C
14
V
C
C
=+5V
_
D
IG
R6
5
1K 0805
C1
6
1
100N
50V
X7R
SM
0805
+
5
V
_
DIG
C1
6
2
100N
50V
X7R
SM
0805
+
5
V
_
DIG
C1
6
3
100N
50V
X7R
SM
0805
3.3V
L2
47U
H
SM
L3
47U
H
SM
L4
47U
H
SM
7
4
HCU
04
C1
2
100N
50V
X7R
SM
0805
C1
4
100N
50V
X7R
SM
0805
C2
1
100N
50V
X7R
SM
0805
C2
100N
50V
X7R
SM
0805
C4
100N
50V
X7R
SM
0805
SERV
O
_SPD
IF_O
U
T
R6
6
100R 0805
S
E
RV
O_
S
P
DIF_
OUT
_
3
.3
V
C201
47P50V NPO SM
0805
C202
47P5 0VNPO SM
0805
C2
1
5
100N
50V
X7R
SM
0805
C2
2
2
100N
50V
X7R
SM
0805
R8
5
100R 0805
+5
V
R4
7
1K 0805
+5V
4
3
2
1
C
N14
2M
M
4
W
S
T
H
EADER
C1
0
10U
3
5V
EL
C2
6
10U
35V
EL
C99
330N50V X7RSM
0805
C122
330N50V X7RS M
0805
C123
100N50V X7RS M
0805
C139
100N50V X7RS M
0805
C3
10U
3
5V
EL
C1
1
3
47R 0805
C9
8
47R 0805
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