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45
IC BLOCK DIAGRAM
AC3 BOARD
U101: 74HC151
AC3 BOARD
U102: 74HC157
AC3 BOARD
U103: CS5331A
1
D3
2
D2
3
D1
4
D0
5
Y
6
W
7
ST
16 V
CC
15 D4
14 D5
13 D6
12 D7
11 A
10 B
8
GND
9
C
12
11
10
9
S7
13
S6
14
S5
15
S4
1
S3
2
S2
3
S1
4
12
13
14
15
1
2
3
4
7
ST
6
W
5
Y
S0
S7
S7
A
S6
S6
S5
S5
S4
S4
S3
S3
S2
S2
S1
S1
S0
S0
B
C
4
1Y
7
2Y
9
3Y
12
4Y
15
1
G
13
4B
10
3B
6
2B
5
2A
3
1B
2
1A
11
3A
14
4A
A/B
1
A/B
VCC
16
2
1A
G
15
3
1B
4A
14
4
1Y
4B
13
5
2A
4Y
12
6
2B
3A
11
7
2Y
3B
10
8
GND
3Y
9
AINL
8
+
-
+
-
+
-
5
6
7
4
2
3
1
AINR
AGND
S/H
Comparator
MCLK
SCLK
LRCK
SDATA
Comparator
Voltage Reference
Serial Output Interface
Digital
Decimation
Filter
Digital
Decimation
Filter
High
Pass
Filter
High
Pass
Filter
S/H
VA+
+
-
LP Filter
DAC
DAC
LP Filter
Содержание T761
Страница 1: ...NAD SERVICE MANUAL T 761 SURROUND SOUND RECEIVER T 761S U R R O U N D SOUND RECEIVER ...
Страница 14: ...14 PCB LAYOUT SPEAKER BOARD PRIMARY BOARD LED BOARD SECONDARY BOARD AC OUTLET BOARD ...
Страница 15: ...15 DIGITAL IN BOARD S VIDEO BOARD DIGITAL OUT BOARD ...
Страница 16: ...16 PSU BOARD COMPONENT VIDEO BOARD ...
Страница 17: ...17 LOAD BOARD VOLUME BOARD Top View Bottom View SURROUND AMP BOARD VIDEO 5 BOARD ...
Страница 18: ...18 AC3 BOARD COMPONENT SIDE ...
Страница 19: ...19 AC3 BOARD SOLDER SIDE ...
Страница 20: ...20 FRONT AMP BOARD ...
Страница 21: ...22 21 KEY BOARD COMPONENT SIDE KEY BOARD SOLDER SIDE ...
Страница 22: ...23 24 MAIN BOARD VIDEO BOARD MULTI CHANNEL BOARD AUDIO BOARD POWER SWITCH BOARD ...
Страница 70: ...SERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO ...