Cambridge Audio Azur 540P Phono Stage
AP15219/4 Main PCB Schematic
C1
220u 50V
D2
1N4004
D3
1N4004
C3
220u 50V
C5
220u 50V
D4
1N4004
C6
220u 50V
VI
1
VO
3
GND
2
U1
7818
C7
47N POLYESTER
C8
47N POLYESTER
VI
2
VO
3
GND
1
U2
7918
C9
100u 25V
C10
100u 25V
+15V
-15V
D6
1N4004
R1
3k3
A
K
D7
BLUE_AZUR
COMMENTS=NO STUFF FP
C11
10U 25V
1
3
2
CN1
DCJACK2
C12
4.7u PEST 5%
C13
4.7u PEST 5%
5
6
7
U4:B
NE5532
R2
1k2
R3
3k9
R4
82k
R5
1k8
G1
C1
5
82n
PEST
5%
G1
R6
820R
Sub Filter
AC 12v 500mA
5
6
7
U3:B
NE5532
R7
2k2
Q1
2SA970
R8
100R
R9
4k7
R10
4k7
Q2
2SA970
C16
100U 25V
C17
100U 25V
R11
4k7
R12
1k0
+15V
R13
1k0
C18
100p NPO
R14
47k
C1
9
220p
NPO
MM
3
2
1
8
4
U3:A
NE5532
R15
2k2
Q3
2SA970
R16
100R
R17
4k7
R18
4k7
Q4
2SA970
C20
100U 25V
C21
100U 25V
R19
4k7
R20
1k0
R21
1k0
- 15V
C22
100p NPO
R22
47k
C2
3
220p
NPO
MM
R23
22R
C24
100u 25V NP
R24
22k
G1
L
L
R
C2
5
100n
C
er
am
ic
C26
100n Ceramic
MM phono input
+V
PAD
-V
PAD
GND
PAD
D8
1N4004
R25
47R
R26
3k9
G1
R27
1k2
R28
220R
G1
R29
7k5
C28
4.7u PEST 5%
C29
4.7u PEST 5%
3
2
1
8
4
U4:A
NE5532
R30
1k2
R31
3k9
C30
39n PEST 5%
R32
82k
R33
1k8
G1
C3
1
82n
PEST
5%
G1
R34
820R
R35
22R
C32
100u 25V NP
R36
22k
G1
R
R37
47R
R38
3k9
G1
R39
1k2
R40
220R
G1
R41
7k5
RIAA
C34
47N POLYESTER
C35
47N POLYESTER
+
15V
-15V
C36
47N POLYESTER
C37
47N POLYESTER
-15V
+15V
3
4
5
CN2:B
ZUAN-AV2-8
1
2
5
CN2:A
ZUAN-AV2-8
3
4
5
CN3:B
ZUAN-AV2-8
1
2
5
CN3:A
ZUAN-AV2-8
C3
8
470n
C
er
am
ic
G1
C39
4.7n Ceramic
C40
4.7n Ceramic
LK1
LINK10MM
LK2
LINK10MM
LK3
LINK15MM
LK4
LINK10MM
LK5
LINK10MM
- 15V
- 15V
LK6
LINK10MM
LK7
LINK15MM
1
2
CN5
JST 2,5MM B2B-XH-A
C14
39n PEST 5%
C33
4.7u PEST 5%
C27
4.7u PEST 5%
C41
47N POLYESTER
C42
47N POLYESTER
C2
220u 50V
C4
220u 50V
R42
100R
R43
100R
LK8
LINK10MM
LK9
LINK10MM
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