Decoder Pcb Schematic - Cambridge Audio 540R V2.0 Service Manual

R133 634
C85 471
IC20B
6
R141
C99
2068 7
100/10
R119 R135
90.9
R-O 5 C51
1.5K
C86
R134
R123 R51
10K 6
1K 104
634
AGND 2068
AGND
R145
5
+ C50 332
R121 R139
2.8K 104
3.32K
C52
C98
104
100/10
AGND
AGND
R136 634
C87
471
IC20A
2
R143
C101
2068 1
100/10
90.9 R138
R120
L-O 3 C54
1.5K
C88
R137
R52
R124
1K 10K 2
104
634
2068
AGND
AGND
R146
3
C53 332
R122 R140
+
2.8K
104
3.32K
C100 C55
100/10 104
AGND
AGND
-vv
D5
DB104G
1
-V V+
+
C138
2200/16 C114
104
J2
5P
5
5
R168 1W/0.22(RF)
7.5V~
4
4
R169
3
3
1W/0.22(RF) 1
14.5V~
2
2
14.5V~ R170 C139 +
1 D4
C118
1
1W/0.22(RF) DB104G
104
3300/25
5P2.5
AGND
-V V+
+
C140
C119
104
3300/25
2
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Cambridge Audio Azur 540R V2.0 AV Receiver
AINR+
634
C108
471
272M
R142
AINR-
7
90.9
IC21B
R148
150
+
C133
R150
100/16
150
AGND
AINL+
634
471 C109
272M
R144
1 AINL-
90.9
IC21A
R149
150
C132
R147
+ 100/16
150
AGND
U1
KA7805
3 5VD
VIN VOUT
+
C115
C141
104
100/10
DGND
U2
KA7812
Q6
3
VIN VOUT
6.8
C2120 R171
+
C120
C143
104 R173
47/25
1K + C78 + C80
D6
C145
7.5V 47/25 47/25
333
AGND
+ C79 + C81
AGND
C146 D7
C144 47/25 47/25
+ 333 7.5V
R174
47/25
C121
1K R172
104
6.8
Q5
A950
3
VIN VOUT
U4
KA7912A
C58
104 C59
CE
104
104 C60
C61
104
DGND AGND
Decoder PCB Schematic (3 of 3)
IC14
TC4053BF
2
Y0
15
Y COM
1
Y1
10
B
12
X0
14
X COM
13
X1
11
A
5
DVD BR Z0
4
Z COM
3
DSP BR Z1
9
C
6
INH
16 7
VDD VEE
AGND
C110 C111
104 104
1
2
AGND
R61
3
820K
4
AGND AGND
5
C113
104
6
AGND C112
104
7
U3
LD1117DT25
3 2 2.5V
I O
C116
+
104 C142
47/25 C117
104
DGND
IC16
KA7805A
1 3
C102 +
C56 C57
104 104
100/10
AGND AGND
AGND AGND
IC15
C131
BR
14
IN 1 OUT 1
AGND 10U/16
13
IN 2 OUT 2
R159
AGND
68K
12 15NC12
VEE SEL
11
DGND
AGND
AGND
AGND LOGIC
10
MUTE
9
DATA
8
VCC CLK
BD3812F
7.1 CH USE
DVD/DSP
BR OUT
3816 MUTE
VOL-DATA
VOL-CLK
2.5VD
5VD
5VA
12V
+7V
-7V
-12V
13