Yamaha HTR-5920 Service Manual page 33

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