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46
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
PCB
44
45
43
37
36
41
38
RDIO
BK
LATB
LDIO
RDIN
RDOUT
LDIN
LDOUT
DIR
CLK
SQ1
SQ64
QB1
HVO1
HVO23
G
QB23
DIRECTION
CONTROL
UNIT
SHIFT
UNIT
LATCH
UNIT
DIR
RDIO
LDIO
DIR
CLKB
QB24
HVO24
HVO41
G
QB41
LATCH
UNIT
51
73
82
99
QB42
HVO42
HVO64
G
QB64
LATCH
UNIT
08
30
VDD2 02
31
50
79
VSS2 05
34
47
76
PT6306
KEYBOARD: U203
Содержание T743
Страница 1: ...NAD SERVICE MANUAL T 743 T 743 A V Receiver A V Receiver DRAFT DATE 06 MAR 2006 PHASE II ...
Страница 2: ...2 SAFETY INFORMATION ...
Страница 11: ...11 BLOCK DIAGRAM ...
Страница 14: ...14 PCB LAYOUT AUDIO BOARD POWER SUPPLY STANDBY POWER SWITCH ...
Страница 15: ...15 COMPOSITE VIDEO BOARD COMPONENT SIDE COMPOSITE VIDEO BOARD COPPER SIDE ...
Страница 17: ...17 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...
Страница 18: ...18 FRONT CENTER AMPLIFIER BOARD ...
Страница 19: ...19 SURROUND AMPLIFIER BOARD ...
Страница 20: ...20 KEYBOARD COMPONENT SIDE COPPER SIDE ...
Страница 21: ...21 MAIN BOARD ...
Страница 22: ...22 MULTI CHANNEL BOARD COMPONENT SIDE COPPER SIDE ...
Страница 23: ...23 PRE OUT BOARD COMPONENT SIDE COPPER SIDE ...
Страница 24: ...24 SPEAKER TERMINAL BOARD TRIGGER BOARD VIDEO 6 BOARD POWER SUPPLY SECONDARY LED BOARD ...
Страница 25: ...25 S VIDEO BOARD COMPONENT SIDE S VIDEO BOARD COPPER SIDE ...
Страница 36: ...36 SPEAKER A B RS 232 ...
Страница 37: ...37 DIGITAL IN OUT ...
Страница 49: ...49 M61516FP MULTI CHANNEL BOARD U601 ...
Страница 72: ...72 SERVICE MANUAL T 743 Phase II A V Receiver NAD ELECTRONICS LTD LONDON ...