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41
HCF4094B
KEYBOARD: U204~U207
SERIAL
IN
CLOCK
STROBE
LATCH 1
3-STATE
1
OUTPUT
ENABLE
2
SERIAL
OUT
Q'
S
10
SERIAL
OUT
Q
S
9
15
1
D Q
CL
CL
3
CL
CL
1
CL
CL
2
D Q
CL
CL
LATCH
2
TR
TR
LATCH
3
TR
TR
3-
STATE
2
3-
STATE
3
3
D Q
CL
CL
Q
STAGES
3 - 7
2
2
2
2
2
2
2
2
Q3
Q2
Q1
VSS
VDD
Q7
Q8
Q6
Q5
Q4
CL
CL
CL
CL
p
n
TL
TL
p
n
p
n
TL
TL
p n
p
n
VDD
VSS
74HC4051
KEYBOARD: U208
4
6
COM OUT/IN
7
5
INH
V
EE
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
2
1
0
3
A
B
C
CHANNELS
IN/OUT
CHANNELS
IN/OUT
CHANNELS
IN/OUT
74HC4051
Содержание T752
Страница 2: ...2 SAFETY INFORMATION ...
Страница 13: ...11 PCB LAYOUT AUDIO BOARD COMPONENT SIDE AUDIO BOARD COPPER SIDE ...
Страница 15: ...13 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...
Страница 16: ...14 FRONT CENTER AMPLIFIER BOARD ...
Страница 17: ...15 SURROUND AMPLIFIER BOARD ...
Страница 18: ...16 KEY BOARD COMPONENT SIDE KEY BOARD COPPER SIDE ...
Страница 19: ...17 MAIN BOARD ...
Страница 20: ...18 MULTI CHANNEL BOARD ...
Страница 21: ...19 SECONDARY POWER SWITCH LED BOARD POWER SUPPLY BOARD STANDBY ...
Страница 22: ...20 PRE OUT BOARD ...
Страница 23: ...21 SPEAKER TERMINAL BOARD TRIGGER BOARD VIDEO 6 BOARD ...
Страница 24: ...22 S VIDEO BOARD COMPOSITE VIDEO BOARD COMPONENT SIDE COPPER SIDE ...
Страница 62: ...60 NOTES ...
Страница 63: ...60 SERVICE MANUAL T 752 AV SURROUND SOUND RECEIVER NAD ELECTRONICS LTD LONDON NAD 2002 ...