NAD T 163, Руководство по обслуживанию

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38
HCF4094B
KEYBOARD: U204~U207, U211
DSP BOARD: U1029
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
P CB
44
45
43
37
3
6
41
38
R D IO
B K
LAT B
L D IO
R D IN
R D OUT
L D IN
L D OUT
D IR
C LK
S Q1
S Q 6 4
Q B 1
HVO1
HVO 2 3
G
Q B2 3
DIRECTION
CONTROL
UNIT
SHIFT
UNIT
LATCH
UNIT
D IR
R D IO
L D IO
D IR
C LK B
Q B2 4
HVO 2 4
HVO41
G
Q B 41
LATCH
UNIT
51
73
8 2
99
Q B 4 2
HVO4 2
HVO 6 4
G
Q B6 4
LATCH
UNIT
0 8
3 0
V DD2 02
31
5 0
79
V SS2 0 5
34
47
7 6
PT6306
KEYBOARD: U203