NAD T 175 Service Manual page 38

DSP-3
R 1 1 8 9 N .I.
U 1 0 2 3 -A
C 1 2 6 4 N JM 5 5 3 2 M
R 1 1 8 8 1 0 k Q 1 0 2 0 2 S C 4 6 9 5
1 0 u 1 6 V
3
A N A _ L_ IN + 1
2
-
R 1 1 9 2 R 1 3 1 8 0
1 0 k
C 1 3 3 8
N .I.
R 1 1 9 3
N .I.
R 1 1 9 8 N .I.
U 1 0 2 3 -B
C 1 2 6 9 N JM 5 5 3 2 M
1 0 u 1 6 V R 1 1 9 7 1 0 k Q 1 0 2 1 2 S C 4 6 9 5
5
A N A _ R _ IN +
7
6
-
R 1 3 1 9 0
R 1 2 0 1
1 0 k
C 1 3 3 9
N .I.
R 1 2 0 2
N .I.
Q 1 0 2 2 2 S C 4 6 9 5
M IC
J1 0 2 6
F or direct M IC in pu t
1 M IC
2
+1 2 V _ A -1 2 V _ A
R 1 2 0 5
D4 0 0 1
LL4 1 4 8 1 0 k
Q 1 0 2 5
DTA 1 1 4 E K A
C 1 2 6 8
+1 2 V _ A -1 2 V _ A
2 2 0 u
1 6 V
R 1 2 0 6
D4 0 0 2
LL4 1 4 8
Q 1 0 3 1
DTA 1 1 4 E K A
C
C 1 2 7 3
M IC _ B IA S B
2 2 0 u
Q 1 0 2 4
1 6 V
DTC 1 1 4 E K A
E
+5 V _ DS P
G N D
R 1 3 1 6
C
4 .7 k
B
Q 1 0 3 2
C DTC 1 1 4 E K A
E
B
Q 1 0 3 3 G N D
DTC 1 1 4 E K A
E
+3 .3 V D
C 1 0 6 2 C 1 0 6 3 C 1 0 6 4 C 1 0 6 5
1 0 0 0 p
0 .1 u 0 .1 u 1 0 0 0 p
5 0 V
5 0 V 5 0 V 5 0 V
+3 .3 V D +5 V _ DS P
C 1 0 8 1 C 1 0 8 5 C 1 0 8 6 C 1 1 1 5
C 1 0 8 0 C 1 0 8 2 C 1 0 8 3 C 1 0 8 4 C 1 1 1 6
C 1 1 1 7 C 1 1 1 8 C 1 1 1 9 C 1 1 2 0
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
5 0 V 5 0 V
5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V
5 0 V
+1 2 V _ A
+3 .3 V D
C 1 0 8 7 C 1 0 8 8 C 1 0 9 0 C 1 0 9 1 C 1 0 9 2
C 1 0 8 9 C 1 0 9 3 C 1 1 2 1 C 1 1 2 3
C 1 1 2 2 C 1 1 2 4 C 1 1 2 7
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
5 0 V 5 0 V 5 0 V 5 0 V 0 .1 u
5 0 V 5 0 V 5 0 V 5 0 V 5 0 V
5 0 V 5 0 V 5 0 V
-1 2 V _ A
+3 .3 V D
C 1 1 2 9 C 1 1 3 4 C 1 1 3 5
C 1 0 9 4 C 1 0 9 5 C 1 0 9 6 C 1 0 9 7 C 1 0 9 8 C 1 0 9 9 C 1 1 3 0 C 1 1 3 1
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
5 0 V 5 0 V 5 0 V
5 0 V 5 0 V 5 0 V 5 0 V 5 0 V
5 0 V 5 0 V 5 0 V
+1 .2 5 V C
+1 2 V _ A
C 1 1 0 4 C 1 1 0 6
C 1 1 0 0 C 1 1 0 1 C 1 1 0 2 C 1 1 0 3 C 1 1 0 5 C 1 1 0 7 C 1 1 3 7 C 1 1 3 8 C 1 1 3 9 C 1 1 4 0 C 1 1 4 1 C 1 1 4 3
0 .1 u 0 .1 u 0 .1 u 0 .1 u 4 7 u 4 7 u
0 .1 u 0 .1 u 0 .1 u 0 .1 u 4 7 u 4 7 u 4 7 u 4 7 u
1 6 V
5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 1 6 V 1 6 V 1 6 V 1 6 V 1 6 V
5 0 V
+1 .2 5 V C
C 1 1 0 8 C 1 1 0 9 C 1 1 1 0 C 1 1 1 1 C 1 1 1 2 C 1 1 1 3 C 1 1 1 4 C 1 1 4 6 C 1 1 4 7 C 1 1 4 8 C 1 1 4 9 C 1 1 5 0 C 1 1 5 2
4 7 u
0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 4 7 u 4 7 u 4 7 u 4 7 u 4 7 u
1 6 V
5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 1 6 V 1 6 V 1 6 V 1 6 V
1 6 V
B YPA S S C A PS F O R DA 7 0 8 & O PA 2 1 3 4
-1 2 V _ A
0 .1 u F - Pin 8 , 1 6 , 2 0 , 3 3 , 4 4 , 5 3 , 5 7 , 6 5 , 7 7 , 8 5 , 9 0 , 1 0 1 , 1 2 3 , 1 2 8 , 1 3 2 , 1 0 , 3 1 , 4 2 , 5 0 , 6 0 , 6 8 , 7 3 , 8 1 , 9 2 , 1 0 3 , 1 1 2 , 1 2 5 , 1 3 6
(F or DA 7 0 8 , total 2 8 pcs)
0 .1 u F - Pin 8 , 4
(F or N JM 5 5 3 2 x 7 , total 1 4 pcs)
0 .1 u F - Pin 1 , 3 , 9 , 1 4 , 2 7 , 4 8 , 4 9
(F or V T3 6 6 4 1 6 4 T, total 7 pcs)
4 7 u F /1 6 v - Pin 8 , 4
(F or N JM 5 5 3 2 x 7 , total 1 4 pcs)
0 .1 u F - Pin 3 7 , 4 7
(F or S S T3 9 V F 8 0 0 A , total 2 pcs)
1 0 0 0 p - Pin 3 7 , 4 7
(F or S S T3 9 V F 8 0 0 A , total 2 pcs)
C 1 2 6 5 R 1 1 9 0
1 6 V 2 2 u
1 0
R 1 1 9 1
1 0 k
C 1 2 7 0
R 1 1 9 9
1 6 V 2 2 u 1 0
R 1 2 0 0
1 0 k
R 1 2 0 8
1 0
C 1 3 3 2 R 1 2 1 5
1 6 V 2 2 u N .I.
R 1 1 9 6
1 0 k
1 0 k
+3 .3 V D
R 1 2 5 1 R 1 2 5 0 R 1 2 4 9
1 0 0 k 1 0 0 k 1 0 0 k
DA B /X M _ R X D_ 3 .3 V
DA B /X M _ TX D_ 3 .3 V
A N T_ R E V
X M _ R S T
R 1 2 5 2 R 1 2 5 3
C 1 3 1 1 1 0 0 k 1 0 0 k
0 .1 u
G N D G N D G N D
I2 S _ R A TE
LIN K A C TIV E
+3 .3 V D
C 1 3 2 3 C 1 3 2 2 C 1 3 1 5 C 1 3 1 6 C 1 3 1 7 C 1 3 1 8 C 1 3 1 9 C 1 3 2 0
0 .1 u 0 .1 u
4 7 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u 0 .1 u
1 6 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V 5 0 V
C 1 1 2 8
0 .1 u
5 0 V
B YPA S S C A PS F O R X M DT IC
A G N D
0 .1 u F - Pin 4 , 8 , 1 7 , 2 0 , 2 7 , 3 3 , 4 0 , 4 6
(F or X M DT IC , total 8 pcs)
4 7 u F /1 6 V - Pin 4
C 1 1 3 6
(F or X M DT IC , total 1 pcs)
0 .1 u
5 0 V
A G N D
C O M PO N E N TS IN B O X A R E N O T IN S E R TE D F O R C E
+1 2 V _ A
U 1 0 3 4
LM 1 1 1 7 - 5 .0
IN O U T
C 1 3 4 0
C 1 3 4 1
1 0 u 0 .1 u
1 6 V 5 0 V
+3 .3 V D
R 1 2 9 8
C 1 2 8 8 C 1 2 8 7
1 u
0 .1 u
1 6 V
5 0 V
C 1 2 9 1
C 1 2 9 0 R 1 2 3 2 0
N .I. N .I.
6 3 V 1 6 V
C 1 2 9 3 C 1 2 9 4
0 .1 u 1 0 u
5 0 V 1 6 V
PW DN _ 1 8 0 2
LR C K
L1 0 1 8
+3 .3 V D 2 .7 u
C 1 3 1 4
N .I.
+3 .3 V D
G N D
R 1 2 5 6
1 LS DP 3 6
H S DP_ E N # 0
2 V S S 2 DT4 _ M O DE 3 5
3 S C _ TX _ O U T 3 4
H S DP_ C LK R 1 2 5 7
N .I.
4 V DD4 3 3
V DD3 3 +3 .3 V D
U 1 0 3 2
5 S C _ R X _ IN H S DP_ DA TA 3 2
6 R F U (I2 C _ S C L) 3 1
V S S 3 1
X M DT IC R 1 2 5 5
7 R F U (I2 C _ S DA ) TE S T 3 0 N .I.
8 V DD8 2 9
S C _ R A TE
9 A N T_ R E V 2 8
O S C _ IN R 1 2 5 4
N .I.
1 0 V S S 1 0 V DD2 7 2 7
+3 .3 V D
1 1 R E S E T# 2 6 X 1 0 0 3
O S C _ O U T
4 5 .1 5 8 4 M H z (S M D)
1 2 S LA V E _ S E L 2 5 V + O U T
V S S 2 5
N C G N D
C 1 3 3 0
0 .1 u
G N D
G N D
+3 .3 V D
L1 0 1 6
N .I.
C 1 3 0 4
R 1 2 4 4
0 .1 u
1 0 0
C 1 3 2 1 R 1 2 4 6
R 1 2 4 2
0 .1 u 0
1 k
5 0 V
L1 0 1 7
N .I.
R 1 2 4 5 C 1 3 0 5
1 0 0 0 .1 u
R 1 2 4 7
0
C 1 3 0 3 R 1 2 4 3 C 1 3 0 6 C 1 3 0 7 C 1 3 0 9 C 1 3 0 8
0 .1 u 1 k N .I. N .I. N .I. N .I.
G N D G N D G N D G N D G N D G N D
38
+3 .3 V D +3 .3 V D +3 .3 V D +3 .3 V D +3 .3 V D +3 .3 V D
U 1 0 1 7
1 0 k 1 0 k 1 0 k N .I. N .I. N .I.
PC M 1 8 0 2 R 1 2 2 3 R 1 2 2 4 R 1 2 2 5 R 1 2 3 4 R 1 2 3 5
R 1 2 2 6
1 0
V IN L 1 V IN L 2 0
M O DE 1
V IN R 2 V IN R 1 9
M O DE 0
3 V R E F 1 1 8
F M T1
4 V R E F 2 1 7
F M T0
5 V C C O S R 1 6
R 1 2 9 4 0
R 1 2 2 8 R 1 2 2 9 R 1 2 3 0 R 1 2 3 6 R 1 2 3 7
6 A G N D 1 5 M C LK
S C K I 1 0 k
N .I. N .I. 1 0 k 1 0 k
7 PDW N 1 4
V DD
C 1 2 9 5
R 1 2 3 1 C 1 2 9 6
1 k
0 .1 u 1 0 u
8 B YPA S 1 3
DG N D 5 0 V 1 6 V
R 1 2 9 3 0
9 F S YN C 1 2 1 8 0 2 _ DO
DO U T
R 1 2 8 1 0 R 1 2 8 7 0
1 0 LR C K B C K 1 1 B C LK
X M _ O C LK
X M _ LR C LK
X M _ S C LK
X M _ DA TA
S C _ R A TE
X M _ R X D
X M _ TX D
-1 2 V _ A +1 2 V _ A
8
4 U 1 0 2 3 -C
N JM 5 5 3 2 M