NAD D 7050, Service Manual

Page: 15 / 48

3V 3
A 5V
C1V 8
S1V 8
S3V 3 C3V 3
N 8V
1V 8
P5V
R1V 8
R3V 3
N 5V
L7
BM B2A 0600RS2
L8
BM B2A 0600RS2
L6
BM B2A 0600RS2
V in
A
D
J
V out
U 19 ZLD O 1117K TC
150R
R58
240R
R60
4u7F
C129
330uF
C126
G N D
V in
A
D
J
V out
U 21 ZLD O 1117K TC
220R
R63
100R
R64
4u7F
C133
G N D
4u7F
C132
V in
A
D
J
V out
U 22 ZLD O 1117K TC
220R
R65
100R
R66
4u7F
C135
G N D
4u7F
C134
4u7F
C130
V in
A
D
J
V out
U 23 ZLD O 1117K TC
240R
R67
750R
R74
G N D
100uF
C138
1uF
C147
A 8V
10uF
C136
G N D
240R
R77
750R
R109
4u7F
C154
G N D
100nF
C150 100uF
C151
V in
A
D
J
V out
U 25
LM 337
4u7F
C152
4u7F
C125
G N D
Supply
Description
PR V Positive Rail V oltage: 29V nom, 30V ma x
5V 25 H igh-current 5.25V supply for deriving logic supplies
3V 3 3.3V Core logic and G eneral I/O supply
1V 8 1.8V Core logic supply
C3V 3 3.3V Clock supply
S3V 3 Filtered from C3V 3 for STA M Ps
C1V 8 1.8V Clock supply
S1V 8 Filtered from C1V 8 for STA M Ps
R1V 8 Filtered from C1V 8 for Refere nces
A 8V
8V supply for deriving analogue supplies
N 8V -8V supply for deriving analogue supplies
A 5V 5V A nalogue supply
N 5V -5V A nalogue supply
R3V 3 3.3V low -noise supply for references
G N D
1uF
C139
1uF
C156
L5
10uH
10uF
C198
10uF
C199
4u7F
C44
4u7F
C46
4u7F
C43
4u7F
C45
100uF
C47
L12
10uH
PR V
N RV
G N D
1000uF
N o Fit
C51
1000uF
N o Fit
C53
1uF
C60
1uF
C64
V in
6
G
N
D
3
V out
1
EN
4
U 4 LP5900SD -3.3
L2
Ferri te Bead
A 3V 3
SN
1
G N
2
SP
3
G P
4
D P
5
D P
6
D N
7
D N
8
D
N
9
D
P
1
0
Q 1
ZX M C3A M 832
IP1
1
O P3
2
IP2
3
G
N
D
4
O P2
5
IP3
6
O P1
7
V
cc
8
U 5
N C7N Z17K 8X
844kH z
G N D
P5V
G N D
D 1
SD M 40E20LS-7-F
D 2
SD M 40E20LS-7-F
D 4
SD M 40E20LS-7-F
G N D
10uF
C40
10uF
C38
10uF
C39
100uF
C50
100uF
C55
1000uF
N o Fit
C30
1000uF
N o Fit
C62
A 3V 3 3.3V A nalogue supply for start up
N RV N egative Rail V oltage: -29V nom, -30V max
P5V
G N D
4u7F
C164
G N D
D 15
SD M 40E20LS-7-F
10uF
C63
G N D
10uF
C65
5V 6D
100uF
C74
G N D
G N D
3V 3D
L3
BM B2A 0600RS2
4u7F
C137
100nF
C75
V i
1
V o
2
g
3
V
d
4
U 8005 K A 278R05
100uF
C120
G N D
1
K
R132
Z5V _EN
1.AMP BOARD VM2.1(3/ 8 )
DDFA PSU VM1.2
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