Cambridge Audio Azur 840C, Service Manual

Page: 13 / 61

Cambridge Audio Azur 840C CD Player
AP18432/3 CD Servo PCB Schematic (Servo)
SEG 14
77
SEG 15
76
SEG 16
75
SEG 17
74
SEG 18
73
NC
72
NC
71
NC
70
NC
69
NC
68
NC
67
NC
66
NC
65
NC
64
NC
63
NC
62
NC
61
NC
60
NC
59
NC
58
NC
57
NC
56
NC
55
NC
54
NC
53
FL/T L
52
VDD
51
SEG 13
78
SEG 12
79
SEG 11
80
SE
G
1
0
81
SE
G
9
82
SE
G
8
83
SE
G
7
84
SE
G
6
85
SE
G
5
86
SE
G
4
87
SE
G
3
88
SE
G
2
89
SE
G
1
90
SE
G
0
91
COM3
92
COM2
93
COM1
94
COM0
95
VL
C
96
NC
97
NC
98
NC
99
VDD
100
VS
S
50
(BOOT
)
49
VA
R
EF
48
AD
K
1
47
AD
K
2
46
AD
K
3
45
PW
R
D
ET
44
NC
43
NC
42
OLT
41
CLT
40
SL
T
39
D-O
P
EN
38
D-C
LO
S
E
37
BUS
3
36
BUS
2
35
BUS
1
34
BUS
0
33
BUCK
32
CEE
31
VSS S
1
XOU T
2
XIN
3
RES ET
4
NC
5
NC
6
TES T
7
NC
8
REM OT E
9
MUT E
10
NC
11
NC
12
NC
13
SCK 2
14
(SI2 )
15
(S O2)
16
(WA IT )
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
CORW
29
RES
30
U3 TO
SHC
D
M
C
U
1 2 3 4 5 6 7
CN
6
LC
D
1 2 3 4 5 6 7 8
CN
5
LC
D
1 2 3 4 5 6 7 8
CN
4
LC
D
R22 NC R21 22K
+5V
C8
3
470uF
16V
C8
5
100uF
16V
+5V
+5VDD
C8
4
220uF
16V
Q13 9014C
X2 C
R
YSTA
L
7.
3728M
H
z
C8
1
25p
F
C8
0
25p
F
C7
9
100nF
R19 3K
3
R18 10K
D9 1N
4148
R20 1K
1 2 3 4 5 6 7 8
CN
3
PR
O
G
R
A
MMING
R65 10K
R66
2K
2
R17
10K
+5V
R27
10K
+5V
+5VDD
XVS S
77
VDD4
76
PXO
75
PXI
74
VSS 4
73
TESI O1
72
TESI N
71
DAC T
70
CKS E
69
DMO UT
68
IO3
67
IO2
66
IO1
65
IO0
64
VSS 3
63
VDD3
62
FLGD
61
FLG C
60
FLGB
59
FLGA
58
SEL
57
2VR EF
56
DMO
55
TEBC2
54
TEBC1
53
TEBC0
52
RFGC
51
XI
78
XO
79
XVD D
80
DVS
R
81
RO
82
DVDD
83
DVR
84
LO
85
DVS
L
86
TE
ST
1
87
TE
ST
2
88
TE
ST
3
89
BUS
0
90
BUS
1
91
BUS
2
92
BUS
3
93
VDD
94
VS
S
95
BUCK
96
CCE
97
TE
ST
4
98
TSM
O
D
99
RS
T
100
VR
EF
50
TR
O
49
FOO
48
TE
Z
I
47
TE
I
46
TSI
N
45
SB
A
D
44
FEI
43
RF
RP
42
RF
ZI
41
RF
C
T
40
A
VDD1
39
RF
I
38
SL
C
O
37
AV
S
S 1
36
VC
O
F
35
V
C
OR
EF
34
PV
R
EF
33
LPFO
32
LPFN
31
TES T0
1
HSO
2
UHS O
3
EMPH
4
LRCK
5
VSS 1
6
BCK
7
AOU T
8
DOU T
9
MBO V
10
IPF
11
SBO K
12
CLCK
13
VDD1
14
VSS 2
15
DAT A
16
SFSY
17
SBS Y
18
SPC K
18
SPD A
20
COFS
21
MONI T
22
VDD2
23
TESI O0
24
P2VR EF
25
HSS W
26
ZDE T
27
PDO
28
TMA XS
29
TMA X
30
U2
TC
9462F
VC
C
1
RF
G
C
2
GM
A
D
3
FN
I
4
FPI
5
TN
I
7
MD
I
8
LD
O
9
SE
L
10
TEB
11
2V
R
O
12
TEN
13
TEO
14
SB
A
D
15
FEO
16
FEN
17
SE
B
18
VR
O
19
RF
RP
20
BTC
21
RF
C
T
22
PKC
23
RF
RP
IN
24
RF
G
O
25
GVS
W
26
AG
CIN
27
RF
O
28
GND
29
RF
N
2
30
TPI
6
U1 TA2153FN
PW
G
N
D
1
OUT(-
)1
2
PV
CC1
3
OUT(+)
1
4
VI
N1
5
VR
I
6
VC
I
7
VI
N2
8
OUT(+)
2
9
PV
CC2
10
OUT(-
)2
11
PW
G
N
D
12
PW
G
N
D
13
OUT(-
)3
14
PV
CC3
15
OUT(+)
3
16
VI
N3
17
SG
N
D
18
SV
C
C
19
VI
N4
20
OUT(+)
4
21
PV
CC4
22
OUT(-
)4
23
PW
G
N
D
24
U6 TA2092N
R15 10K
R39 10K
R14 10K
R13 10K
R12 10K
+5V
R11 10K
R6
220K
R7 68K
R5 15K
R9 47K
C8
0.
015uF
C7
6
47p
F
C7 4 47uF1 6V
R8 10K
C75 0.0 1u F
C6 0.0027uF
1 2 3
CN
1
DI
GI
TA
L
O
U
T
+5V
R10
47R
C1
1
0.
047uF
C1
0
47uF
16V
C9 47uF
16V
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
CN
1
6
MEC
H
1 2 3 4 5 6
CN
1
5
M
O
TO
R
DRI
VE
+8V
C5
6
220uF
16V
C5
9
100nF
R64 10K
+5V
C5
8
100nF C5
7
100nF
R42 3K
3
C2
7
0.
047uF
C2
6
0.
047uF
R41 3K
3
C6
0
0.
047uF
C6
1
100nF
C14 22 uF 16 V
C28 47 uF 16 V
R38 R37
R40
10R
1
/4
W
NC NC NC NC NC
R36
R35
X1
C
R
YSTA
L
16.
9344M
H
z
C1
7
15p
F
C1
6
15p
F
C1
5
0.
047uF
NC
C1
9
0.
047uF
C1 8 47uF 16V
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
R43
10K
R45 3K
3
C2
4
470p
F
C2
5
470p
F
R44
3K
3
C6
2
100nF
R60 1K
R59 82K
L1
47uH
C6
6
0.
047uF
C6
5
220uF
16V
C2
0
47uF
1
6V
C6
7
100nF
C6
4
100nF
C6
8
22uF
R58
0R
R56
10K
R55
10K
R54
10K
R53
10K
R52
56K
R51
47K
R50
47K
R49
47K
R48
47K
R57
56K
L2 10uH
Q1 9015
R62 15R
C6
9
100uF
16V
R46
3K
3
R47
3K
3
C2
3
0.
047uF
C2 2 0.047uF
R63 100K
R1 2K
2
C1 3p
F
R3
1K
C7
3
100p
F
R2 10K
R4
220R
C2
100nF
C7
2
0.
22uF
C3
0.
22uF
C4
100nF
R61
27K
C7
1
100nF
C7
0.
01uF
C5 0.
047uF
C7
7
47uF
16V
C7
8
47uF
16V
C7
0
47uF
1
6V
NC
D8 1N
4148
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
C1
3
0.
047uF
C1
2
1uF
1
6V
C2
9
47uF
1
6V
R16 10K
1 2 3 4 5
CN
8
DRAW
DRI
V
E
R31 10K
R30 10K
+5V
Q12 8050
Q7
8050
Q9 8550
Q10 8550
R33 470R
R34 470R
R67 14mm
link
(8
40
c
o
n
ly
)
+8V
R28 10K
R29 10K +5V
+5V
NC NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC NC NC
NC
NC
NC
C8
6
100nF
L3 100uH
R26 10K
R25 1K
R23 10K
R24 10K
R32 4K
7
RE
M
O
TE
RE
M
O
TE
LK
1
LI
N
K
OP
EN
=
F/
L
SHO
R
T
=
T/
L
+5VC
C
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
1 2 3 4 5
CN
1
2
1 2 3 4 5
CN
2
DAT
A
OU
T
EMPH
BCK
PC
MD
LRC
K
GN
D
1 2
CN
1
7
X
TALI
OS
C
GN
D
SET LCD CON TR AS T
+5V
RE
SE
T
BO
O
T
GN
D
WA
IT
SCK2
SI
2
SO
2
RE
M
O
TE
+5V GN
D
K1 K2
C2
1
0.
0047uF
OLT GN
D
CL
T
OP
EN
CL
O
SE
GN
D
ROU
T
LOU
T
MU
TE
1
MU
TE
+5V GN
D
D-
OU
T
FC
-
TR
-
TR
+
FC
+
PD VR LD GN
D
F C B A D E VC
C
VC
SL
T-
SL
T+
FM
+
FM
-
DM
-
DM
+
SE
G
18
SE
G
17
SE
G
16
SE
G
15
SE
G
14
SE
G
13
SE
G
12
SE
G
11
SE
G
10
SE
G
9
SE
G
8
SE
G
7
SE
G
6
SE
G
5
SE
G
4
SE
G
3
SE
G
2
SE
G
1
SE
G
0
CO
M
0
CO
M
1
CO
M
2
CO
M
3
L4
100uH
L5 100uH
C8
2
10uF
16V
1 2
CN
1
8
X
TALO
GN
D
C8
7
1nF
1 2
CN
2
0
MU
TE
1 2 3 4 5 6 7
CN
7
CO
N
TR
O
L
K
EY
S
D10 1N
4148
D11 1N
4148
R76
4K
7
Q8 8050
Q11 8050
PW
R
D
ET
RE
SE
T
J1 100R
FU
1
T2
A
L
VI
1
VO
3
GND
2
U8 7805
C4
5
100nF
C4
4
100nF
C4
6
470uF
16V
+5V
1 2
CN
1
9
AC
IN
D5
IN
4004
D4
IN
4004
D2
IN
4004
D3
IN
4004
C4
9
100nF
C5
0
3300uF
25V
C5
4
100nF
VI
1
VO
3
GND 2
U7 7808
C4
8
100nF
C5
3
100nF
C5
1
100nF C5
2
100nF
C4
7
470uF
1
6V
+8V
14.
5
V
AC
1 2
CN
2
1
FP
DI
S
NO FIT FOR740/ 840C
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