NAD T 761 Service Manual page 39

MULTI-CHANNEL BOARD
U602: TC9164AN
VSS
L-S1 2
L-S2 3
L-S3 4
L-S4 5
L-COM1 6
L-S5 7
L-S6 8
L-COM2 9
L-S7 10
L-S8 11
L-COM3 12
L-ST 13
SHIFT REGISTER
MULTI-CHANNEL BOARD
U601: M62446FP
OUT4 1
OUT-
OUT3 2
PUT
OUT2 3
PORT
OUT1 4
AVDD 5
SWin 6
GNDS 7
SRin 8
SLin 9
GNDC 10
Cin 11
GNDR 12
Rin 13
GNDL 14
Lin 15
BYPASSR 16
BYPASSL 17
LTRE 18
LBASS3 19
LBASS2 20
LBASS1 21
GND VDD
1 14 28
MCU
volume
I/F
volume
volume
volume
volume
volume
tone tone
DIGITAL OUT BOARD
U761,U762: 74HCT00
27 R-S1
26 R-S2
25 R-S3
24 R-S4
23 R-COM1
22 R-S5
21 R-S6
20 R-COM2
MAIN BOARD
19 R-S7
U723: NJM78M56FA
18 R-S8
17 R-COM3
16 DATA
15 CK
42 DVDD
41 CLK
40 DATA
39 LATCH
38 DGND
MULTI-CHANNEL BOARD
37 AGND
U605-U607, U609-U611: NJM5532
36 SWout
AMPLIFIER 1
35 SRout
34 SLout
33 Cout
32 Rout
NON-INVERTING
31 Lout
30 AVSS
29 CL1
28 CL2
S-VIDEO & VIDEO BOARD
27 CR1
U402-U404: BA7625
26 CR2
25 RTRE
MONITOR OUT
24 RBASS3
23 RBASS2
22 RBASS1
49
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
1
INPUT
OUTPUT 1
INVERTING
2
INPUT
– + + –
3
INPUT
4
V –
1
GND 2
6dB
LOGIC
IN5 3
GND 4
IN4 5
6dB
LOGIC
CTL E 6
INT3 7
CTL D 8
14 V
CC
13 4B
12 4A
11 4Y
10 3B
9 3A
8 3Y
3
OUTPUT
2
GND
AMPLIFIER 2
8
V +
7
OUTPUT
INVERTING
6
INPUT
NON-INVERTING
5
INPUT
16 IN1
15 CTL A
14 VOUT1
13 VCC
12 IN2
11 CTL B
10 VOUT 2
9 CTL C