Yamaha HTR-5920 Manual de serviço - Página 33

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Yamaha HTR-5920 Manual de serviço
A
B
AMP
1
AMP (1)
2
3
Page 33
J6
to AMP (4)_BN92
4
5
Page 33
J6
6
to AMP (4)_BN94
7
8
9
C
D
E
FRONT L
FL
SL
100
SURROUND L
100
C3203Y
F
G
SUB
WOOFER L
SW
C
POWER TRANSFORMER
AMP (3)
Page 33
H6
to AMP (1)_BN93
H
I
J
CENTER
AMP (2)
SL
C
SW
Page 34 G4
to FRONT (1)_BN82
Page 33
F6
to AMP (3)_CN93
IC94: CD4094B
8-stage shift and store bus register
To power transformer
2
D
Q
D
SERIAL
CL
1
CL
2
IN
CL
CL
p
n
CL
3
TR
TR
CLOCK
CL
TR
TR
1
p
STROBE
TR
n
TR
TR
TR
LATCH
1
OUTPUT
ENABLE
15
To power cable
3-STATE
1
p
n
V
V SS
DD
4
Q1
# 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.
K
L
HTR-5920
Page 34
H2
to FRONT (3)_CN96
Page 31
I3
to INPUT_BN14
Page 33
B6
to AMP (1)_CN92
FL
Page 31
I4
to INPUT_BN13
Page 33
B4
to AMP (1)_CN94
AMP (4)
CL
p
SERIAL
OUT
Q
D
Q
10
n
Q'
CL
8
S
CL
Q
CL
CL
p
n
CL
SERIAL
OUT
11
STAGES
Q
S
3-7
LATCH
LATCH
TR
2
8
TR
V
DD
3-
3-
STATE
STATE
2
8
ALL INPUTS PROTECTED
BY CMOS
PROTECTION NETWORK
5
6
7
14
13
12
11
Q2
Q3
Q4
Q5
Q6
Q7
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
TOP VIEW
33