Yamaha RX-V467 Service Manual page 105
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A
B
C
OPERATION 1/2
1
2
-33.5
-33.5
-29.3
-31.4
-33.5
3
-35.6
-31.2
-33.5
-35.6
-33.5
-35.6
3.4
3.4
-35.6
-35.6
-35.6
-37.8
-35.6
3.4
3.4
-35.6
-35.6
-35.6
-35.6
-35.6
-35.6
4
-33.6
-35.6
5
6
7
JK472
YPAO
8
MIC
5.1
12.0
0
0
IC471
0
0
IC471
0
0
-11.9
0
0
9
0
0
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm
0
+ 1.0 k
+ 1.0 k
V
0 – 0.15
0.15 – 0.42
0.43 – 0.70
0.71 – 0.97
A/D value
0 – 11
12 – 32
33 – 54
(3.3 V=255)
KEY1
RADIO
CD
TV
(133 pin)
(SCENE4)
(SCENE3)
(SCENE2)
10
Ohm
0
+ 1.0 k
+ 1.0 k
V
0 – 0.15
0.16 – 0.42
0.43-0.70
0.71 – 0.99
A/D value
0 – 11
12 – 32
33 – 54
(3.3 V=255)
KEY2
TUNING
TUNING
–
(134 pin)
>>
<<
D
E
F
-37.8
-35.6
-33.5
VFD DRIVER
-31.5
-33.5
-31.3
-33.3
IC401
-31.4
3.4
3.4
1.6
1.6
0
-35.5
0
3.4
3.3
3.3
CB473
3.4
0
POWER
indicator
2.1
2.1
(POWER)
0
0
OPERATION (4)
+ 1.5 k
+ 1.5 k
+ 2.2 k
+ 3.3 k
+ 4.7 k
22.0 k
33.0 k
0.98 – 1.24
1.25 – 1.53
1.54 – 1.84
1.85 – 2.22
2.23 – 2.62
2.63 – 3.04
55 – 75
76 – 96
97 – 119
120 – 142
143 – 163
182 – 197
198 – 209
BD/DVD
INPUT
INPUT
TONE
–
–
(Power)
(SCENE1)
>
<
CONTROL
+ 1.5 k
+ 1.8 k
+ 2.2 k
+ 3.3 k
+ 4.7 k
+ 6.8 k
+ 10.0 k
1.00 – 1.27
1.28 – 1.56
1.57 – 1.86
1.87 – 2.14
2.15 – 2.39
2.40 – 2.65
55 – 77
78 – 99
100 – 121
122 – 144
145 – 166
167 – 186
187 – 205
PRESET
PRESET
PROGRAM
AM
FM
MEMORY
INFO
STRAIGHT
>
<
G
H
Page 110
N9
to VIDEO (6)_CB333
CB405
-28.9
-28.9
-38.0
VOLUME
W4001
3.4
3.4
-31.4
-33.5
-31.3
-33.3
CB406
W4002
CB471
3.4
3.4
0
0
3.3
3.3
3.3
3.3
0
0
0
0
3.4
0
0
-35.6
-35.6
-29.5
-35.5
-33.8
-38.0
DIRECT
OPERATION (5)
W4011
W4012
CB407
W4003
12.0
0
0
-11.9
3.3
3.3
0
3.4
0
0
Page 102
B2
to DIGITAL_CB20
+ 22.0 k
+ 68.0 k
2.66 – 2.91
2.92 – 3.17
206 – 226
227 – 246
PROGRAM
>
<
I
J
K
W4402
OPERATION (6)
OPERATION (8)
0
0
0
W4401
0
0
3.3
JK471
PHONES
SILENT CINEMA
OPERATION (1)
IC401: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
Display code
RAM
(8-bit x 60)
Code
write
CS
2
Serial
data
SCK
3
receive
Code/
circuit
SDATA
4
command
control
circuit
Page 106
M6
XIN
7
Clock
timing
Display
generator
clock
XOUT
6
controller
to OPERATION (2)_CB461
RESET
1
Vcc1
8
Vcc2
18
Vss
5
Vp
64
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
L
M
N
RX-V467/HTR-4063
OPERATION (3)
CB472
3.3
0
Page 110
B5
0
to VIDEO (1)_W3401
0
VIDEO
AUDIO
VIDEO AUX
PORTABLE
CGROM
(35-bit x 166)
44
SEG00
Segment
19
SEG25
output
SEG26
IC471: NJM4565M (TE1)
17
circuit
CGROM
Dual operational amplifier
dot data
9
SEG34
write
(35-bit x 16)
45
SEG35
V+
DIG11/
52
8
SEG42
DIG12/
51
SEG41
Segment/
code
DIG13/
50
select
Digit
SEG40
select/
DIG14/
2, 6
49
output
SEG39
–INPUT
OUTPUT
scan pulse
circuit
DIG15/
48
1, 7
SEG38
+INPUT
DIG16/
3, 5
47
SEG37
DIG17/
46
SEG36
63
DIG00
Digit
output
V–
circuit
4
53
DIG10
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
●
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
105
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