Yamaha HTR-5920 Service Manual - Page 32
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av receiver
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A
B
HTR-5920
1
INPUT 2/2
2
3
4
5
6
7
8
# All voltages are measured with a 10M /V DC electronic volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
9
32
C
D
E
Y/P
/P
B
R
Y/P
/P
B
R
Y/P
B
/P
R
10/35V
10/35V
10/35V
10/35V
F
G
H
I
J
K
IC24: CD4094B
8-stage shift and store bus register
2
D
Q
D
Q
SERIAL
CL
1
CL
2
IN
CL
CL
p
n
CL
3
TR
TR
CLOCK
CL
TR
TR
1
p
STAGES
STROBE
n
3-7
TR
TR
LATCH
TR
TR
2
LATCH
1
OUTPUT
ENABLE
15
3-STATE
3-
1
STATE
2
p
n
V DD
V SS
4
5
6
7
14
Q1
Q2
Q3
Q4
Q5
STROBE
1
DATA
2
CLOCK
3
Q1
4
Q2
5
Q3
6
Q4
7
VSS
8
TOP VIEW
L
CL
p
SERIAL
D
Q
OUT
10
n
Q'
CL
8
S
CL
Q
CL
CL
p
n
CL
SERIAL
OUT
11
Q
S
TR
LATCH
8
TR
V DD
3-
STATE
8
ALL INPUTS PROTECTED
BY CMOS
PROTECTION NETWORK
13
12
11
Q6
Q7
Q8
16
VDD
15
OUTPUT ENABLE
14
Q5
13
Q6
12
Q7
11
Q8
10
Q'S
9
QS