Cambridge Audio 640C V2 Service Manual

Cambridge Audio Azur 640C V2 CD Player
AP17613/6 DAC Board PCB Schematic
MCLK_OUT
VCC
8
CLK
5
N/C
1
GND
4
X1
OSC DIL08
FREQ=16.9344MHz
DAC CLOCK
GND
1
2
3
4
5
CN3
DATA
LEFT CHANNEL
RIGHT CHANNEL
R2
10R
SDATA
LRCK
6
7
8
RL1:C
5V RELAY
3
4
5
RL1:B
5V RELAY
1
2
CN2
MCLK_LOCK
DEM
BCLK
LRCIN
1
DIN
2
BCKIN
3
MODE8X
4
SCLK
5
DIFFHW
6
DGND
7
DVDD
8
AVDDR
9
AGNDR
10
VMIDR
11
VOUTRP
12
VOUTRN
13
AGND
14
AVDD
15
VOUTLN
16
VOUTLP
17
VMIDL
18
AGNDL
19
AVDDL
20
ZERO
21
RSTB
22
CSBIWO
23
MODE
24
MUTEB
25
MD/DM0
26
MC/DM1
27
ML/I2S
28
U7
WM8740
3
2
1
8 4
U5:A
NE5532
5
6
7
U5:B
NE5532
VA2
VA1
R18
2k2
R19
2k2
R39
11k
R20
11k
R38
5k6
R22
5k6
C12
2n2 PP
C9
2n2 PP
3
2
1
8 4
U4:A
NE5532
5
6
7
U4:B
NE5532
VA2
VA1
R9
2k2
R8
2k2
R10
11k
R7
11k
R4
5k6
R6
5k6
C16
2n2 PP
C92
2n2 PP
DAC ANALOGUE
C81
100n
1 2
U20:A
74HC14
3 4
U20:B
74HC14
5 6
U20:C
74HC14
13 12
U20:D
74HC14
11 10
U20:E
74HC14
9 8
U20:F
74HC14
DAC CLOCK
C15
10p
C19
10p
C63 10U 25V NP
C84
10U 25V NP
DAC DIGITAL
1
2
4
CN6:A
3
CN6:B
ZUANBAOAV2-8,4-13EL
R48
22R
R46
47k
R47
47k
C34
100P 50V NPO
R43
22R
R45
47k
R44
47k
C33
1N 50V NPO
C61
47N PE 63V
C82 47N PE 63V C83
47N PE 63V
C62
47N PE 63V
C14
47N PE 63V
C10
47N PE 63V
C93
47N PE 63V
C18
47N PE 63V
C8
150p PP
C17
150p PP
C13
150p PP
C11
150p PP
LRCIN
1
DIN
2
BCKIN
3
MODE8X
4
SCLK
5
DIFFHW
6
DGND
7
DVDD
8
AVDDR
9
AGNDR
10
VMIDR
11
VOUTRP
12
VOUTRN
13
AGND
14
AVDD
15
VOUTLN
16
VOUTLP
17
VMIDL
18
AGNDL
19
AVDDL
20
ZERO
21
RSTB
22
CSBIWO
23
MODE
24
MUTEB
25
MD/DM0
26
MC/DM1
27
ML/I2S
28
U10
WM8740
DAC ANALOGUE_2
C70
100n
C74
10U 25V NP
DAC DIGITAL_2
C71
47N PE 63V
C72 47N PE 63V
C68 47N PE 63V
C66
10U 25V NP
C67
47N PE 63V
R37
5k1
R21
5k1
R3
5k1
R5
5k1
3
2
1
8 4
U18:A
NE5532
5
6
7
U18:B
NE5532
VA2
VA1
R57
2k2
R72
11k
R59
11k
C37
10p
C52
47N PE 63V
C41
47N PE 63V
C51
150p PP
C42
150p PP
R60
5k1
C40
2n2 PP
3
2
1
8 4
U13:A
NE5532
5
6
7
U13:B
NE5532
VA2
VA1
R63
2k2
R64
2k2
R62
11k
R65
11k
R68
5k6
R67
5k6
C49
10p
C48
47N PE 63V
C44
47N PE 63V
C47
150p PP
C45
150p PP
R69
5k1
R66
5k1
C46
2n2 PP
C43
2n2 PP
R50
1k8
R49
1k8
C56
1n5 PP
R52
7k5
R53
7k5
R54
10k
VA1
VA2
C35
100uF NP
C36
2n2 PP
3
2
1
84
U19:A
NE5532
5
6
7
U19:B
NE5532
R51
10k
C53
47p
C55
47p
R24
1k8
R25
1k8
C102
1n5 PP
R29
7k5
R30
7k5
R28
10k
C59
47N PE 63V
C103
47N PE 63V
VA1
VA2
C30
100uF NP
C31
2n2 PP
3
2
1
84
U6:A
NE5532
5
6
7
U6:B
NE5532
R23
10k
C58
47p
C101
47p
C32
100P 50V NPO
C60
47N PE 63V
C73
47N PE 63V
R58
2k2
R71
5k1
R70
5k6
R61
5k6
C50
2n2 PP
C54
47N PE 63V
C38
47N PE 63V
1
P1
PAD EMC M3
C90
1N 50V NP0
R55
2k2
R56
2k2
C39
10p
R26
2k2
R27
2k2
C57
10p
R1
47R
R36
68R
R35
68R
R34
68R
R33
68R
R31
47R
R32
47R
C87
1N 50V NP0
C6
1N 50V NP0
C85
10P 50V NPO
C86
10P 50V NPO
GND
GND
LK10
LK40OTH
LK13
LK40OTH
LK14
LK40OTH
LK15
LK40OTH
LK51
LK300TH
LK50
LK300TH
LK46
LK200TH
LK45
LK200TH
LK47
LK300TH
LK48
LK300TH
LK55
LK300TH
LK38
LK200TH
LK37
LK200TH
LK33
LK300TH
LK44
LK200TH
LK43
LK200TH
LK41
LK300TH
LK40
LK300TH
LK18
LK300TH
LK19
LK300TH
LK20
LK40OTH
LK24
LK300TH
LK23
LK300TH
LK25
LK40OTH
LK27
LK40OTH
LK28
LK40OTH
LK63
LK600TH
L_out
L_out L_out
LK64
LK600TH
LK65
LK600TH
R86
68R
1206
R87
68R
1206
R88
68R
1206
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Cambridge Audio 640C V2 Specifications

General

Brand	Cambridge Audio
Model	640C V2
Category	CD Player
Language	English