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NAD T 175 Service Manual page 37

Av tuner pre-amplifier
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DSP-2
U 1 0 1 3
PC M 1 7 9 1 A
R 1 2 7 6
0
1 7 9 1 _ LR C K
1
2 8
1 7 9 1 _ M S
LR C K
M S
R 1 2 8 2
0
2
2 7
1 7 9 1 _ B C K
B C K
M C
S PI1 _ S C
R 1 2 8 8
0
A X R 0 [1 ]
3
2 6
S PI1 _ S IM O
DA TA
M DI
R 1 0 7 7
1 0 k
4
2 5
S PI1 _ S O M I
M U TE
M DO
R 1 0 8 0
1 0 k
R 1 0 7 8 1 0
M C LK
5
2 4
S C K
M S E L
6
2 3
R S T_ 1 7 9 1
R S T
Z E R O L
R 1 0 7 9
1 0
7
2 2
+3 .3 V D
V DD
Z E R O R
L1 0 1 0
C 1 1 5 3
C 1 1 5 4
1 0 u H
0 .1 u
1 0 u
8
2 1
DG N D
V C C F
+5 V _ DS P
5 0 V
1 6 V
C 1 1 5 5
C 1 1 5 6
0 .1 u
1 0 u
9
2 0
A G N DF
V C C L
1 6 V
5 0 V
1 0
1 9
V C C R
A G N DL
1 1
1 8
A G N DR
V O U TL-
V O U T_ L-
1 2
1 7
V O U T_ R -
V O U TR -
V O U TL+
V O U T_ L+
1 3
1 6
V O U T_ R +
V O U TR +
A G N DC
1 4
1 5
V C O M
V C C C
C 1 1 5 7
1 0 u
1 6 V
U 1 0 1 4
PC M 1 7 9 1 A
R 1 2 7 7
0
1 7 9 1 _ LR C K
1
2 8
1 7 9 1 _ M S
LR C K
M S
R 1 2 8 3
0
2
2 7
1 7 9 1 _ B C K
S PI1 _ S C
B C K
M C
R 1 2 8 9
0
A X R 0 [2 ]
3
2 6
S PI1 _ S IM O
DA TA
M DI
R 1 0 8 1
1 0 k
4
2 5
S PI1 _ S O M I
M U TE
M DO
R 1 0 8 2 1 0
R 1 0 8 4
1 0 k
M C LK
5
2 4
S C K
M S E L
6
2 3
R S T_ 1 7 9 1
R S T
Z E R O L
R 1 0 8 3
1 0
7
2 2
+3 .3 V D
V DD
Z E R O R
L1 0 1 1
C 1 1 5 8
C 1 1 5 9
1 0 u H
1 0 u
0 .1 u
8
2 1
DG N D
V C C F
+5 V _ DS P
1 6 V
5 0 V
C 1 1 6 0
C 1 1 6 1
1 0 u
9
2 0
0 .1 u
A G N DF
V C C L
1 6 V
5 0 V
1 0
1 9
V C C R
A G N DL
1 1
1 8
A G N DR
V O U TL-
V O U T_ S L-
1 2
1 7
V O U T_ S R -
V O U TR -
V O U TL+
V O U T_ S L+
1 3
1 6
V O U T_ S R +
V O U TR +
A G N DC
1 4
1 5
V C O M
V C C C
C 1 1 6 2
1 0 u
1 6 V
U 1 0 1 5
PC M 1 7 9 1 A
R 1 2 7 8
0
1 7 9 1 _ LR C K
1
2 8
1 7 9 1 _ M S
LR C K
M S
R 1 2 8 4
0
2
2 7
1 7 9 1 _ B C K
B C K
M C
S PI1 _ S C
R 1 2 9 0
0
A X R 0 [3 ]
3
2 6
S PI1 _ S IM O
DA TA
M DI
R 1 0 8 5
1 0 k
4
2 5
M U TE
M DO
S PI1 _ S O M I
R 1 0 8 6 1 0
R 1 0 8 8
1 0 k
M C LK
5
2 4
S C K
M S E L
6
2 3
R S T_ 1 7 9 1
R S T
Z E R O L
R 1 0 8 7
1 0
7
2 2
+3 .3 V D
V DD
Z E R O R
C 1 1 6 4
L1 0 1 2
C 1 1 6 3
0 .1 u
1 0 u H
8
2 1
1 0 u
5 0 V
1 6 V
DG N D
V C C F
+5 V _ DS P
C 1 1 6 5
C 1 1 6 6
1 0 u
9
2 0
0 .1 u
A G N DF
V C C L
1 6 V
5 0 V
1 0
1 9
V C C R
A G N DL
1 1
1 8
A G N DR
V O U TL-
V O U T_ C TR -
1 2
1 7
V O U T_ S U B -
V O U TR -
V O U TL+
V O U T_ C TR +
1 3
1 6
V O U T_ S U B +
V O U TR +
A G N DC
1 4
1 5
V C O M
V C C C
C 1 1 6 7
1 0 u
1 6 V
U 1 0 1 6
PC M 1 7 9 1 A
R 1 2 7 9
0
1 7 9 1 _ LR C K
1
2 8
1 7 9 1 _ M S
LR C K
M S
R 1 2 8 5
0
2
2 7
1 7 9 1 _ B C K
B C K
M C
S PI1 _ S C
R 1 2 9 1
0
A X R 0 [4 ]
3
2 6
S PI1 _ S IM O
DA TA
M DI
R 1 0 8 9
1 0 k
4
2 5
S PI1 _ S O M I
M U TE
M DO
R 1 0 9 2
R 1 0 9 0 1 0
1 0 k
M C LK
5
2 4
S C K
M S E L
6
2 3
R S T
Z E R O L
R S T_ 1 7 9 1
R 1 0 9 1
1 0
7
2 2
+3 .3 V D
V DD
Z E R O R
L1 0 1 3
C 1 1 6 9
1 0 u H
C 1 1 6 8
0 .1 u
8
2 1
1 0 u
5 0 V
DG N D
V C C F
+5 V _ DS P
1 6 V
C 1 1 7 1
C 1 1 7 2
0 .1 u
1 0 u
9
2 0
A G N DF
V C C L
1 6 V
5 0 V
1 0
1 9
V C C R
A G N DL
1 1
1 8
A G N DR
V O U TL-
V O U T_ B S L-
1 2
1 7
V O U T_ B S R -
V O U TR -
V O U TL+
V O U T_ B S L+
1 3
1 6
V O U T_ B S R +
V O U TR +
A G N DC
1 4
1 5
V C O M
V C C C
C 1 1 7 0
1 0 u
1 6 V
R 1 0 9 5
7 .5 k
C 1 1 7 9
R 1 0 9 3
C 1 1 7 7
3 .3 u 1 6 V
C 1 1 7 3
2 .7 k
R 1 0 9 6 1 .1 8 k
V O U T_ L-
5 6 0 p
5 0 V
R 1 0 9 9
C 1 3 4 6
2
1 0 u 1 6 V
-
1
R 1 0 9 8
6 2 0
R 1 0 9 4
N .I.
R 1 0 9 71 .1 8 k
3
+
1 0 k
V O U T_ L+
U 1 0 2 7 -A
C 1 1 7 6
2 .7 k
1 0 u 1 6 V
N JM 5 5 3 2 M
2 7 0 0 p
C 1 1 7 4
C 1 1 7 5
5 0 V
R 1 1 6 1
C 1 1 7 8
2 7 0 0 p
7 .5 k
5 6 0 p
5 0 V
5 0 V
R 1 1 0 4
7 .5 k
C 1 1 8 6
R 1 1 0 2
C 1 1 8 4
3 .3 u
1 6 V
C 1 1 8 0
2 .7 k
R 1 1 0 5 1 .1 8 k
V O U T_ R -
5 6 0 p 5 0 V
R 1 1 0 8
C 1 3 4 7
6
1 0 u 1 6 V
-
R 1 1 0 7
6 2 0
R 1 1 0 3
R 1 1 0 61 .1 8 k
7
N .I.
5
1 0 k
V O U T_ R +
+
C 1 1 8 3
U 1 0 2 7 -B
2 .7 k
1 0 u 1 6 V
2 7 0 0 p
N JM 5 5 3 2 M
C 1 1 8 1
C 1 1 8 2
5 0 V
C 1 1 8 5
R 1 1 6 2
2 7 0 0 p
5 6 0 p
7 .5 k
5 0 V
5 0 V
7 .5 k
R 1 1 1 1
C 1 1 9 3
R 1 1 0 9
3 .3 u
1 6 V
C 1 1 9 1 5 6 0 p
C 1 1 8 7
2 .7 k
R 1 1 1 2 1 .1 8 k
V O U T_ S L-
5 0 V
R 1 1 1 5
C 1 3 4 8
2
1 0 u 1 6 V
6 2 0
-
1
R 1 1 1 4
R 1 1 1 0
N .I.
R 1 1 1 31 .1 8 k
3
+
1 0 k
V O U T_ S L+
2 .7 k
C 1 1 8 8
U 1 0 2 8 -A
1 0 u
1 6 V
N JM 5 5 3 2 M
R 1 1 6 3
7 .5 k
C 1 1 8 9
C 1 1 9 2
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 1 9 0
2 7 0 0 p
5 0 V
R 1 1 2 0
7 .5 k
C 1 2 0 0
3 .3 u
1 6 V
R 1 1 1 8
C 1 1 9 85 6 0 p
C 1 1 9 4
2 .7 k
R 1 1 2 1 1 .1 8 k
V O U T_ S R -
5 0 V
R 1 2 4 1
C 1 3 4 9
6
1 0 u 1 6 V
-
R 1 1 2 3
6 2 0
R 1 1 1 9
N .I.
R 1 1 2 21 .1 8 k
7
5
1 0 k
V O U T_ S R +
+
C 1 1 9 7
2 .7 k
U 1 0 2 8 -B
1 0 u 1 6 V
2 7 0 0 p
C 1 1 9 5
N JM 5 5 3 2 M
R 1 1 6 4
C 1 1 9 6
C 1 1 9 9
2 7 0 0 p
5 0 V
7 .5 k
5 6 0 p
5 0 V
5 0 V
7 .5 k
R 1 1 2 6
C 1 2 0 7
R 1 1 2 4
C 1 2 0 5 5 6 0 p
3 .3 u
1 6 V
C 1 2 0 1
2 .7 k
R 1 1 2 7 1 .1 8 k
V O U T_ C TR -
5 0 V
R 1 1 3 0
C 1 3 5 0
2
1 0 u 1 6 V
R 1 1 2 9
6 2 0
-
1
R 1 1 2 5
N .I.
R 1 1 2 81 .1 8 k
3
+
1 0 k
V O U T_ C TR +
2 .7 k
C 1 2 0 2
U 1 0 2 9 -A
N JM 5 5 3 2 M
1 0 u 1 6 V
R 1 1 6 5
7 .5 k
C 1 2 0 3
C 1 2 0 6
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 2 0 4
2 7 0 0 p
5 0 V
R 1 1 3 5
7 .5 k
C 1 2 1 4
3 .3 u
1 6 V
R 1 1 3 3
C 1 2 1 2 5 6 0 p
C 1 2 0 8
2 .7 k
R 1 1 3 6 1 .1 8 k
V O U T_ S U B -
5 0 V
R 1 1 4 0
C 1 3 5 1
6
1 0 u 1 6 V
-
R 1 1 3 9
6 2 0
R 1 1 3 4
N .I.
R 1 1 3 71 .1 8 k
7
5
1 0 k
V O U T_ S U B +
+
2 .7 k
U 1 0 2 9 -B
C 1 2 0 9
N JM 5 5 3 2 M
1 0 u 1 6 V
R 1 1 3 8
C 1 2 1 0
C 1 2 1 3
7 .5 k
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 2 1 1
2 7 0 0 p
5 0 V
R 1 1 4 5
7 .5 k
C 1 2 2 1
R 1 1 4 3
C 1 2 1 9 5 6 0 p
3 .3 u
1 6 V
C 1 2 1 5
2 .7 k
R 1 1 4 6 1 .1 8 k
V O U T_ B S L-
5 0 V
R 1 1 5 0
C 1 3 5 2
2
1 0 u 1 6 V
R 1 1 4 9
6 2 0
R 1 1 4 4
-
1
N .I.
R 1 1 4 71 .1 8 k
3
V O U T_ B S L+
+
1 0 k
U 1 0 3 0 -A
2 .7 k
1 0 u 1 6 V
N JM 5 5 3 2 M
C 1 2 1 6
R 1 1 4 8
C 1 2 1 7
7 .5 k
C 1 2 2 0
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 2 1 8
2 7 0 0 p
5 0 V
R 1 1 5 5
7 .5 k
C 1 2 2 8
R 1 1 5 3
C 1 2 2 6
5 6 0 p
3 .3 u
1 6 V
C 1 2 2 2
2 .7 k
R 1 1 5 6 1 .1 8 k
V O U T_ B S R -
5 0 V
R 1 1 6 0
C 1 3 5 3
6
R 1 1 5 9
1 0 u 1 6 V
-
6 2 0
R 1 1 5 4
N .I.
R 1 1 5 71 .1 8 k
7
1 0 k
5
V O U T_ B S R +
+
U 1 0 3 0 -B
1 0 u 1 6 V
2 .7 k
N JM 5 5 3 2 M
C 1 2 2 3
R 1 1 5 8
C 1 2 2 4
C 1 2 2 7
7 .5 k
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 2 2 5
2 7 0 0 p
5 0 V
-1 2 V _ A
+1 2 V _ A
8
8
8
8
8
4 U 1 0 2 7 -C
4 U 1 0 2 8 -C
4
4
4
U 1 0 2 9 -C
U 1 0 3 0 -C
U 1 0 3 1 -C
N JM 5 5 3 2 M
N JM 5 5 3 2 M
N JM 5 5 3 2 M
N JM 5 5 3 2 M
N JM 5 5 3 2 M
U 1 0 1 2
F L
PC M 1 7 9 1 A
R 1 2 8 0
0
1 7 9 1 _ LR C K
1
2 8
1 7 9 1 _ M S
LR C K
M S
C 1 2 3 0
R 1 2 8 6
0
1 7 9 1 _ B C K
2
2 7
5 0 V
B C K
M C
S PI1 _ S C
1 0 0 p
R 1 2 9 2
0
A X R 0 [1 1 ]
3
2 6
S PI1 _ S IM O
DA TA
M DI
R 1 1 6 6
1 0 k
4
2 5
S PI1 _ S O M I
M U TE
M DO
C 1 2 3 1
R 1 1 6 7 1 0
R 1 1 6 9
1 0 k
1 0 0 p
M C LK
5
2 4
S C K
M S E L
5 0 V
6
2 3
R S T
Z E R O L
R S T_ 1 7 9 1
R 1 1 6 8
1 0
7
2 2
F R
+3 .3 V D
V DD
Z E R O R
C 1 2 4 2
C 1 2 4 3
0 .1 u
8
2 1
1 0 u
DG N D
V C C F
1 6 V
5 0 V
C 1 2 4 4
0 .1 u
9
2 0
A G N DF
V C C L
5 0 V
1 0
1 9
V C C R
A G N DL
1 1
1 8
A G N DR
V O U TL-
1 2
1 7
V O U T_ X R -
V O U TR -
V O U TL+
1 3
1 6
V O U T_ X R +
V O U TR +
A G N DC
1 4
1 5
V C O M
V C C C
C 1 2 4 6
1 0 u
1 6 V
S L
C 1 2 3 3
1 0 0 p
5 0 V
C 1 2 3 4
1 0 0 p
5 0 V
S R
C TR
C 1 2 3 6
1 0 0 p
5 0 V
S U B
C 1 2 3 8
1 0 0 p
5 0 V
B S L
C 1 3 0 0
1 0 0 p
5 0 V
C 1 2 4 1
1 0 0 p
5 0 V
B S R
37
7 .5 k
R 1 1 7 2
C 1 2 5 3
R 1 1 7 0
C 1 2 5 1 5 6 0 p
3 .3 u
1 6 V
C 1 2 4 7
2 .7 k
R 1 1 7 3 1 .1 8 k
V O U T_ X L-
5 0 V
R 1 1 7 7
C 1 3 5 4
2
1 0 u 1 6 V
-
R 1 1 7 6
6 2 0
1
R 1 1 7 1
N .I.
R 1 1 7 41 .1 8 k
3
V O U T_ X L+
+
1 0 k
U 1 0 3 1 -A
2 .7 k
1 0 u 1 6 V
N JM 5 5 3 2 M
C 1 2 4 8
R 1 1 7 5
C 1 2 5 2
C 1 2 4 9
7 .5 k
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 2 5 0
2 7 0 0 p
5 0 V
L1 0 1 4
1 0 u H
+5 V _ DS P
C 1 2 4 5
1 0 u
R 1 1 8 2
7 .5 k
1 6 V
C 1 2 6 3
R 1 1 8 0
C 1 2 6 1
5 6 0 p
3 .3 u
1 6 V
C 1 2 5 7
2 .7 k
R 1 1 8 3 1 .1 8 k
V O U T_ X R -
5 0 V
R 1 1 8 7
C 1 3 5 5
6
1 0 u 1 6 V
-
R 1 1 8 6
6 2 0
R 1 1 8 1
N .I.
R 1 1 8 41 .1 8 k
7
5
1 0 k
V O U T_ X L-
V O U T_ X R +
+
U 1 0 3 1 -B
1 0 u 1 6 V
2 .7 k
N JM 5 5 3 2 M
C 1 2 5 8
R 1 1 8 5
V O U T_ X L+
C 1 2 5 9
C 1 2 6 2
7 .5 k
2 7 0 0 p
5 6 0 p
5 0 V
5 0 V
C 1 2 6 0
2 7 0 0 p
5 0 V
X F L
C 1 3 0 1
1 0 0 p
5 0 V
C 1 3 0 2
1 0 0 p
5 0 V
X F R
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