NAD T 751, Руководство по обслуживанию

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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