Yamaha HTR-5920 Instrukcja serwisowa - Strona 22
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HTR-5920
IC24: CD4094B (INPUT P.C.B.)
8-stage shift and store bus register
PIN
PORT ASSIGNMENT
No.
PORT NAME
1
STROBE
2
DATA
3
CLOCK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OUTPUT ENABLE
16
VDD
IC94: CD4094B (AMP P.C.B.)
8-stage shift and store bus register
PIN
PORT ASSIGNMENT
PORT NAME
No.
1
STROBE
2
DATA
3
CLOCK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OUTPUT ENABLE
16
VDD
2
D
Q
SERIAL
CL
1
IN
CL
p
n
CL
3
TR
TR
CLOCK
CL
TR
TR
1
STROBE
TR
TR
LATCH
1
OUTPUT
ENABLE
15
3-STATE
1
p
V
DD
4
Q1
22
DESCRIPTION
STROBE INPUT
CHIP ENABLE 1 FROM MICROPROCESSOR PIN No. 80
DATA INPUT
DATA INPUT 1 FROM MICROPROCESSOR PIN No. 6
CLOCK INPUT
CLOCK INPUT 1 FROM MICROPROCESSOR PIN No. 5
OUTPUT
COMPONENT VIDEO SW_2
OUTPUT
COMPONENT VIDEO SW_1
OUTPUT
VIDEO MUTE_1
OUTPUT
VIDEO MUTE_2
VSS
N.C.
N.C.
OUTPUT
VIDEO SW_1
OUTPUT
VIDEO SW_2
OUTPUT
REC MUTE_1
OUTPUT
REC MUTE_2
OUTPUT ENABLE
VDD
DESCRIPTION
STROBE INPUT
CHIP ENABLE 2 FROM MICROPROCESSOR PIN No. 31
DATA INPUT
DATA INPUT 2 FROM MICROPROCESSOR PIN No. 30
CLOCK INPUT
CLOCK INPUT 2 FROM MICROPROCESSOR PIN No. 29
OUTPUT
N.C.
OUTPUT
FRONT SPEAKER ON
OUTPUT
SURROUND MUTE
OUTPUT
CENTER MUTE
VSS
N.C.
N.C.
OUTPUT
PRE SUBWOOFER MUTE
OUTPUT
HEADPHONE RELAY ON
OUTPUT
SURROUND SPEAKER ON
OUTPUT
CENTER SPEAKER ON
OUTPUT ENABLE
VDD
D
Q
CL
2
CL
CL
CL
p
STAGES
n
3-7
TR
LATCH
2
TR
3-
STATE
2
n
V SS
5
6
7
14
13
12
Q2
Q3
Q4
Q5
Q6
Q7
SHIFT REGISTER
SHIFT REGISTER
CL
p
SERIAL
OUT
D
Q
10
Q'
n
S
8
CL
Q
CL
p
n
CL
SERIAL
OUT
11
Q
S
LATCH
TR
8
TR
V DD
3-
STATE
8
ALL INPUTS PROTECTED
BY CMOS
PROTECTION NETWORK
11
Q8
STROBE
1
16
VDD
DATA
2
15
OUTPUT ENABLE
CLOCK
3
14
Q5
Q1
4
13
Q6
Q2
5
12
Q7
Q3
6
11
Q8
Q4
7
10
Q'S
VSS
8
9
QS
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