Cambridge Azur 640R AV Receiver
PSU (on decoder) Circuit Diagram
AGND
AGND
AGND
AGND
C94
104
C95
104
+
C112
100/10
1
3
2
IC6
KA7805A
AC
1
V+
AC
2
-V
D3
DB104G
AC
1
V+
AC
2
-V
D2
DB104G
+
C105
2200/16
C65
104
VIN
1
GND
2
VOUT
3
U3
L7805CV
+
C108
100/10
C67
104
+
C106
3300/25
C66
104
VIN
1
GND
2
VOUT
3
U4
KA7815
+
C75
47/25
C68
104
+
C107
3300/25
C70
104
+
C76
47/25
C69
104
VIN
2
GND
1
VOUT
3
U5
KA7915
R66 1W/0.22(RF)
R64
1W/0.22(RF)
R65
1W/1(RF)
I
3
A
1
O
2
U2
LD1117DT25
C62
104
+
C74
47/25
C64
104
AGND
AGND
+2.5V
D+5V
DGND
DGND
Q1
C2120
Q2
A950
D4
7.5V
D5
7.5V
R68
1K
R69
1K
AGND
+
C115
47/25
+
C116
47/25
C117
105
C118
105
C109
333
C110
333
+7.5V
-7.5V
AC
1
V+
AC
2
-V
D1
DB104G
+
C60
2200/10
C61
104
DGND
I
3
A
1
O
2
U1
LD1117DT33
+
C73
47/25
C63
104
DGND
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN1
7P2.5
R67
1W/1(RF)
A+15V
A-15V
A+5V
D+5V
D+2.5V
D+3.3V
+3.3V
A+5.5V
D6
1N4148
-V
+V
1
2
3
CN5
3P(2.5)
DGND
MCU+5V
GND
HDMI+5V
TO HDMI BOARD
From Transformer
MCU+5V
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