Cambridge Audio Azur 351R, Service Manual

Page: 15 / 46

Azur 351R Service Manual
15
Amp PCb Schematic 2
KF-YL-03
R114 100
C57 330P
R33 47K
R116 100
C58 330P
R36 47K
A
GN
D
R119
100
C54 330P
C38
10U/16
R27 47K
R118 100
C53 330P
C39 10U/16
R32 47K
A
GN
D
Lin Rin
VI
DEO
1
Lout
Rout
REC-OUT
A
GN
D
R37 47K
R113
100
C51 330P
R23 47K
R111 100
C52
330P
R24 47K
A
GN
D
Lin Rin
AUX/REC
C74
102
SUB-OUT
REC-L
-O
REC-R-O
V
1-
L
V1-
R
REC
-L
REC-R
MIC_IN
AG
ND
+15V
-15V
MIC_IN
+15V -15V
A
GN
D
SOURCE_L SOURCE_R
C75 47U/1
6
C76
47U/1
6
A
GN
D
A
GN
D
R10 1K
DW19 BZX55C7V5
R5 1K
DW18 BZX55C7V5
+15V
-15V
-7V
+7V
Q62 2SC2120
Q63 2SA950
MIC_IN
TUNER_R TUNER_L
+15V -15V
VOL_CLK
VOL_DA
TO
D
EC
O
DE
PC
B
MIC_IN
2 4 6 8 10 12
1 3 5 7 9
11
CN8
6P2.0*2 (180) Twin-Row Socket
TO
D
EC
O
DE
PC
B
A
GN
D
R103
470R
Q5
2SC2878
R94 10K
SUB-M
SYS-MUTE
SUB_MUTE
P ON/OFF
MCU+5V
BUF_FL
BUF_FR BUF_LS BUF_RS
BUF_C
A
GN
D
PROTECT AMP-STB
SYS-MUTE
SUB_MUTE
PROTECT AMP-STB
P ON/OFF
BUF_SUB
MCU+5V
A
GN
D
A
GN
D
D
GN
D
D
GN
D
VCC
sub
TO H/P PCB
INA2
2
INB1
3
INB2
4
INC1
5
INC2
6
IND1
7
IND2
8
INE
1
9
INE
2
10
INF1
11
INF2
12
INA1
1
ING1
13
ING2
14
INH1
15
INH2
16
INH2
17
INH1
18
OUT2
19
OUT1
20
RECC2
21
RECC1
22
RECB2
23
RECB1
24
RECA2
25
RECA1
26
VCC
27
G
ND
28
VEE
29
D
A
30
CLK
31
D
GN
D
32
CON
IC2
BD3841FS
C2 104
C4 47U/25
C3 104
C5 47U/25
A
GN
D
A
GN
D
R56
33R
R62
33R
L-OUT
R-OUT
-7V +7V
VOL_CLK
VOL_DA
V2_L V2_R
REC_L REC_R
A
GN
D
MIC_IN
TUNER_R TUNER_L
SOURCE_L SOURCE_R
VOL_DA
VOL_CLK
MIC_IN TUNER_R
TUNER_L
A
GN
D
BD_R
BD_L
V1_R V1_L
BUF_SUB
-
2
+
3
1
V-
4
IC3A
NJM4580D
C23 100U/16
C14
104
R74 10R
-15V
A
GN
D
R34
10K
R54 2.7K
A
GN
D
C12
22P
C8 330P
R28 100K
C6 10U/16
A
GN
D
R76
150R
Q6
2SC2878
R16 10
K
-
6
+
5
7
V+
8
IC3B
NJM4580D
C16 100U/16
C15
104
R75 10R
+15V
A
GN
D
R38
10K
R55 2.7K
A
GN
D
C13
22P
C9 330P
R29 100K
C7 10U/16
A
GN
D
R77
150R
Q9
2SC1815
R19 10
K
D
GN
D
BUF_FL BUF_FR
1 2 3 4
CN29 4P(2.0)
A
GN
D
L
R
PHONES
2 4 6 8 10 12 14 16 42 18 40 20 38 22 36 24 34 26 32 28 30
1 3 5 7 9
11 13 15 17 41 19 39 21 37 23 35 25 33 27 31 29
CN2
2*21P2.0 (180) Twin-Row Socket
AC17V
1
2 4
3 CN11
2*2P2.0 (180) Twin-Row Socket
TO DECODER PCB
R63
1R/
1W
A
GN
D
R78
1K
Lin Rin
VI
DEO
2
R112 100
C49 330P
R20 47K
R110 100
C50 330P
R21 47K
A
GN
D
V
2-
L
V2
-R
R117 100
C55 330P
R25 47K
R115 100
C56 330P
R26 47K
A
GN
D
Lin Rin
BD/DVD
BD-L BD-R
-
2
+
3
1
V-
4
IC4A
NJM4558D
C27 104
-15V
-
6
+
5
7
V+
8
IC4B
NJM4558D
C28 104
+15V
A
GN
D
A
GN
D
Q10
2SC2878
R88 10K
A
GN
D
Q17 2SD1047
R91 10
0R
/1
W
C31 1000U/16V
D
GN
D
B1
2 G1 1
JK2A AV6-8.4-13/EC
B2
4 G2 3
JK2B AV6-8.4-13/EC
6 G3 5
JK2C AV6-8.4-13/EC
C32
104--0805
A
GN
D
C33
104--0805
A
GN
D
2 G1 1
G3
JK1A AV4-8.4-13/EC
4 G2 3
JK1B AV4-8.4-13/EC
C35
104--0805
A
GN
D
1
G2 G1
JK3 AV-8.4-8/ES
C34 104--0805
A
GN
D
1 2 3 4
CN4
NC
1 2 3 4
CN10
1*4P2.0(90)
1 2 3 4
CN13
1*4P2.0(90)
1 2 3 4
CN5
NC
Connet PCB
L R GND
C40 1000U/16V
D
GN
D
1 2 3 4
CN6 4P(2.0)
D
GN
D
POWER_ON/OFF
MCU+5V
D
+5
.6
V
1 2 3 4
CN14 4P(2.5)
P ON/OFF
D
+5
.6
V
MCU+5V
D
GN
D
TO SMPS PCB
MIC_MUTE
H/P_MUTE
H/P_MUTE
MIC_MUTE
A
GN
D
MCU+5V
Q7 2SA950
R97 22
K
R80 10
K
R98
1M
-15V
MIC_MUTE
A B
5
6
1
2
4 3
RL1 JRC-27F
/005-
M
D11
1N4001
Q18 C2120
R96 10K
R31 47K
C108
100U/16
D
+5
.6
V
R99
4.7R/0.5W
H/P_MUTE
D
GN
D
+15V.
-15V.
TO
A
M
P
PC
B
MIC-LIN
AG
ND
+15V
-15V
6 5
7
8
IC6B NJM2068M
2 3
1
4
IC6A
NJM2068M
+15V.
-15V.
C70 10u16
C68 10u16
L
R92 220R
R93 100K
C63 331
E
MIC_input
MIC_IN.
E
FB1
FB0805
FB2 FB0805
2 4 6 3 1
L
R
7 5
CK1 CK3.5-07
1 2 3 4
CN15
4P2.0
R126 2.2K
R108 100K
R131 10K
R128 1K
R127
18K
R130
10K
R132 10K
R129
1K
R95 100K
C45 104
C71 150P
C61 104
C72 2200P
C62 104
C69
150P
SETUP
Mic
R138
39K0805
+15V.
P/N:0001-1206-0000
Amp-sch 2/2
165