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46
AC3 BOARD
U104, U109, U116, U131
U134: NE5532
AMPLIFIER 1
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
V –
AMPLIFIER 2
V +
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
1
2
3
4
8
7
6
5
+ –
– +
27
36
8-11,14-17
18
5
4
19
7
6
20
21
37
38
44
43
42
41
40
39
3
28
29
25
26
22
30
31
32
33
34
35
2 13 24
1 12 23
Parallel or Serial Host Interface
24-Bit
DSP Processing
Framer
Shifter
Input
Buffer
Controller
Compressed
Data Input
Interface
CMPDAT,
SDATAN2
CMPCLK,
SCLKN2
CMPREQ,
LRCLKN2
SCLKN1,
STCCLK2
LRCLKN1
SDATAN1
CLK1N
CLKSEL
FILT2
FILT1
VA
AGND
DGND[1-3]
VD[1-3]
XMT958
AUDATA2
AUDATA1
AUDATA0
LRCLK
SCLK
MCLK
DC
DD
EXTMEM,
GPIO8
ABOOT,
INTREQ
A1,
SCDIN
A0,
SCCLK
SCDIO,
SCDOUT,
PSEL,
GPIO9
WR,
DS,
EMWR,
GPIO10
RD,
R/W,
EMOE,
GPIO11
CS
DATA7-0,
EMAD7-0,
GPIO7-0
RESET
Digital
Audio
Input
Interface
PLL
Clock Manager
RAM Input
Buffer
RAM
Program
Memory
RAM
Program
Memory
RAM
Output
Buffer
Output
Formatter
RAM
Program
Memory
RAM
Program
Memory
STC
AC3 BOARD
U105: CS4926
D7
D
Q
CP
FF8
Q7
D6
D
Q
CP
FF7
Q6
D1
D2 to D5
D
Q
CP
FF2
Q1
D0
CP
OE
D
Q
CP
FF1
Q0
AC3 BOARD
U106, U107: 74HC574
AC3 BOARD
U114: 74HCU04
1
1A
14 VAC
2
1Y
13 6A
3
2A
12 6Y
4
2Y
11 5A
5
3A
10 5Y
6
3Y
9
4A
7
GND
8
4Y
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 ...