43
MULTI-CHANNEL BOARD
U605-U611: NJM5532
MAIN BOARD
U723: NJM78M56FA
S-VIDEO & VIDEO BOARD
U402-U404: BA7625
MULTI-CHANNEL BOARD
U602: TC9164AN
42
DVDD
1
OUT4
41
CLK
2
OUT3
40
DA
TA
3
OUT2
39
LA
TCH
4
OUT1
38
DGND
5
A
VDD
37
AGND
6
SWin
36
SW
out
7
GNDS
35
SRout
8
SRin
34
SLout
9
SLin
33
Cout
10
GNDG
32
Rout
11
Cin
31
Lout
12
GNDR1
30
A
VSS1
13
GNDR2
29
A
VSS2
14
GNDL1
28
NC
15
GNDL2
27
NC
16
Rin
26
NC
17
GNDLR
25
NC
18
Lin
24
NC
19
NC
23
NC
20
NC
22
NC
21
NC
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
MCU
I/F
O/P
POR
T
1
2
L-S1
VSS
SHIFT REGISTER
LEVEL
SHIFTER
LEVEL
SHIFTER
LA
TCH CIRCUIT
LA
TCH CIRCUIT
14
GND
28
VDD
27 R-S1
3
L-S2
26 R-S2
4
L-S3
25 R-S3
5
L-S4
24 R-S4
6
L-COM1
23 R-COM1
7
L-S5
22 R-S5
8
L-S6
21 R-S6
9
L-COM2
20 R-COM2
10
L-S7
19 R-S7
11
L-S8
18 R-S8
12
L-COM3
17 R-COM3
13
L-ST
16 DATA
15 CK
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
+ –
– +
1
INPUT
3
OUTPUT
2
GND
1
MONITOR OUT
16
IN1
2
GND
15
CTL A
3
IN5
14
VOUT1
4
GND
13
VCC
5
IN4
12
IN2
6
CTL E
11
CTL B
7
INT3
10
VOUT 2
8
CTL D
9
CTL C
6dB
LOGIC
LOGIC
6dB
MULTI-CHANNEL BOARD
U601: M62447SP
Summary of Contents for T 751
Page 1: ...NAD SERVICE MANUAL T 751 SURROUND SOUND RECEIVER T 751S U R R O U N D SOUND RECEIVER ...
Page 11: ...13 PCB LAYOUT SPEAKER BOARD DIGITAL BOARD PRIMARY BOARD SECONDARY BOARD TONE BOARD ...
Page 12: ...14 PSU BOARD S VIDEO BOARD LED BOARD AC OUTLET BOARD ...
Page 13: ...15 AC3 DTS BOARD COMPONENT SIDE AC3 DTS BOARD SOLDER SIDE ...
Page 14: ...16 MULTI CHANNEL BOARD MAIN BOARD ...
Page 15: ...17 KEYBOARD COMPONENT SIDE KEYBOARD SOLDER SIDE ...
Page 17: ...19 SURROUND AMPLIFIER BOARD TUNER BOARD VIDEO BOARD AUDIO BOARD ...
Page 64: ...SERVICE MANUAL NAD 2001 T 751 SURROUND SOUND RECEIVER NAD ELECTRONICS INTERNATIONAL TORONTO ...
