Cambridge Audio 640A - Power Amplifier Schematics; Power Supply Circuit Diagram

Cambridge Azur 640A Integrated Amplifier
AP12707/6 Power Amp Schematic (Power Supply)
+15V
-15V
D17
1N5402
D18
1N5402
D20
1N5402
D19
1N5402
C32
47n poly
C20
47n poly
C25
2200uF
C62
2200uF
C26
2200uF
C21
2200uF
C23
2200uF
C63
2200uF
C30
2200uF
C29
2200uF
+45V
-45V
C31
100n
R97
47R
J1
RED
J2
YELLOW
J3
ORANGE
J4
CHASSIS
D13
1N4002
D14
1N4002
D16
1N4002
D15
1N4002
J13
TERMINAL
green
J14
TERMINAL
purple
J15
TERMINAL
blue
C53
470u 35V
C54
100u 35V
C57
47n poly
C58
47n poly
VI
1
VO
3
GND
2
U8
7805
C59
47u 16V
C56
47n poly
VI
1
VO
3
GND
2
U9
7815
VI
2
VO
3
GND
1
U10
7915
C60
100u 16V
C61
100u 16V
+5V
J17
TERMINAL
J18
TERMINAL
J16
J20
1
2
CN4
H2 2.54mm
PHONO PSU
J19
YELLOW
J21
YELLOW
WIRE LINK
C55
47n poly
LK18
LINK
1
2
3
CN6
H3 2.54mm
digital
C67
47n poly
C68
47n poly
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