Yamaha RX-V475 Service Manual page 108

A B C
RX-V475/HTR-4066/RX-V500D
RX-V475/HTR-4066
OPERATION 1/2
1
1 2 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2
+ 3 . 3 D S P
2
3.3
P 2 4
P 2 5
P 2 6
3 P 2 7
P 2 8
P 2 9
P 3 0
P 3 1
P 3 2
P 3 3
P 3 4
Q 4 0 0 3 Q 4 0 0 4
P 3 5
P 3 6
G 1 8 I
G 1 7 I
Q 4 0 0 1 Q 4 0 0 2
4
G 1 6 I
- V P
5
+ 3 . 3 M
P S W _ N _ D E T
F G 1
K E Y 1 R 4 0 0 6 R 4 0 0 9 R 4 0 1 2 R 4 0 1 4
3.3
1 K 1 K 1 . 5 K 1 . 5 K
6
F G 1
7
K E Y 2 R 4 0 0 5 R 4 0 0 7 R 4 0 1 0 R 4 0 1 3 R 4 0 1 5
1 K 1 K 1 . 5 K 1 . 8 K 2 . 2 K
T U N I N G A M F M
C 4 0 0 2 , 4 0 0 5 , 4 0 3 1 , 4 0 3 7 C o u n t e r m e a s u r e s o f D i s c h a r g e t e s t .
F G 1
8
R 4 5 0 2 R 4 5 0 4
J K 4 5 1
1 K 1 K
C 4 5 0 2
R 4 5 0 5
YPAO
2 2 0
MIC 1 0 / 1 6
3.5 R 4 5 0 1 5.1 R 4 5 0 7
4 . 7 K 4 . 7 K
V +
N J M 4 5 6 5 M
M S J - 2 2 0 0 C _ A G 3
I C 4 7 1
2
O P E ( 5 )
R 4 5 0 9
1 2 K
N J M 4 5 6 5 M
4 5 0 1 - 4 7 0 0 C 4 5 0 7
5
4 5 1 - 4 7 0 7
3 3 P ( C H )
I C 4 7 1
6
9 V -
to chassis
F G 2
Key detection for A/D port
Key input (A/D) pull-up resistance: 10 k-ohms
0 Ω + 1.0 kΩ + 1.0 kΩ + 1.5 kΩ + 1.5 kΩ + 2.2 kΩ
Detected voltage value 0 – 0.15 – 0.425 – 0.703 – 0.978 –
at 125 pin 0.15 V 0.425 V 0.703 V 0.978 V 1.241 V
A/D value
0 – 11 12 – 32 33 – 54 55 – 75 76 – 96 97 – 119
(3.3 V=255)
10
RADIO NET TV BD/DVD
KEY1 —
(SCENE4) (SCENE3) (SCENE2) (SCENE1)
0 Ω + 1.0 kΩ + 1.0 kΩ + 1.5 kΩ + 1.8 kΩ + 2.2 kΩ
Detected voltage value 0 – 0.15 – 0.425 – 0.703 – 0.999 –
at 124 pin 0.15 V 0.425 V 0.703 V 0.999 V 1.279 V
A/D value
0 – 11 12 – 32 33 – 54 55 – 77 78 – 99 100 – 121
(3.3 V=255)
AM
TUNING TUNING (RX-V475/HTR-4066) PRESET
KEY2 DIRECT FM
DAB
>> <<
(RX-V500D)
108
D E F
RX-V500D
V 4 0 0 1 1 8 - M T - 1 1 G N K
3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 6 5
C 4 0 0 3
0 . 1 / 1 6
C 4 0 1 1
P 8
0 . 1 / 5 0 ( F )
P 7 R 4 0 3 3
1 0 0 K
P 6
C 4 0 0 7
P 5
P 4 2 2 0 / 5 0
P 3
P 2
C 4 0 0 8
I C 4 0 1
P 1
3 3 0 / 6 . 3
C 4 0 0 9
M 6 6 0 0 3 - 0 1 3 1 F P - R
V D D
0 . 1 / 1 6
X I N
C 4 0 1 0
X O U T R 4 0 2 8
3 6 K
V S S 6 8 P ( S L )
D T F L
C K F L
/ C E F L
/ R E S E T
T O N E
I N P U T
C O N T R O L
R 4 0 1 6 R 4 0 2 3 R 4 0 2 6
2 . 2 K 3 . 3 K 4 . 7 K
D G N D
C 4 0 0 5
F G 1
1 0 0 0 P
R 4 0 1 7 R 4 0 1 8 R 4 0 2 0 R 4 0 2 2 R 4 0 2 7 R 4 0 3 1
3 . 3 K 4 . 7 K 6 . 8 K 1 0 K 2 2 K 6 8 K
p r e s e t M E M O R Y I N F O S T R A I G H T P R O G R A M
+ 1 2 V
M I C
- 1 2 V
M I C _ N _ D E T
P S W _ N _ D E T
S T B Y _ L E D
R 4 5 1 0 C 4 5 1 2
1
+ 3 . 3 M
8 . 2 K
1 0 / 1 6
D G N D
POWER
F G
indicator
2.5
F G 2
2.8
Q 4 5 0 1
0 (Power)
R 4 5 1 3
1 0 K
E
K T C 3 8 7 5 S - Y , G R - R
OPERATION (5)
+3.3 kΩ + 4.7 kΩ + 13.2 kΩ + 22 kΩ + 33 kΩ
1.241 – 1.536 – 1.84 – 2.102 – 2.336 – 2.55 –
1.536 V 1.84 V 2.102 V 2.299 V 2.55 V 2.971 V
120 – 142 143 – 163 163 – 177 182 – 197 198 – 229
INPUT INPUT TONE
— —
> < (power) CONTROL
+3.3 kΩ + 4.7 kΩ + 6.8 kΩ + 10 kΩ + 22 kΩ + 68 kΩ
1.279 – 1.564 – 1.86 – 2.142 – 2.399 – 2.653 – 2.916 –
1.564 V 1.86 V 2.142 V 2.399 V 2.653 V 2.919 V 3.175 V
122 – 144 145 – 166 167 – 186 187 – 205 206 – 226 227 – 246
PRESET PROGRAM PROGRAM
MEMORY INFO STRAIGHT
> < > <
G H
F L
Z A 8 8 9 4 0 Page 109 K8
to OPERATION (4)_CB525
6 8 6 9
5 1 0 4 8
C B 4 0 3
-30.3
F 2
T o
- V P
O P E ( 4 )
-30.2 F 1
VOLUME
W 4 0 0 4
-39.2
E C 1 2 E 2 4 6 0 8 1 4
- V P
S W 4 7 3
A
R 4 7 0 2
4 7 K
R 4 7 0 1
4 7 K
-30.9
C B 4 0 4 W 4 0 0 5 C B 4 7 1
+ 3 . 3 D S P + 3 . 3 D S P
3.3
V O L _ R A 0 V O L _ R A
V O L _ R B 0 V O L _ R B
K E Y 2 K E Y 2
3.3
D G N D D G N D
0
F G 0 F G
F G F G
0
5 1 0 4 8
F G
-35.0
DIRECT
O P E ( 6 )
D G N D
4 7 0 1 - 4 7 5 0
Remote control sensor 4 7 1 - 4 7 5
+ 3 . 3 M S I R 8 4 3 0 M H 6
U 4 0 0 1 OPERATION (6)
R 4 0 3 9
3.3
1 0 0
D G N D
W 4 0 0 2 W 4 0 0 3
F G 1
n o _ u s e n o _ u s e
C o u n t e r m e a s u r e s o f D i s c h a r g e t e s t .
+ 3 . 3 M + 3 . 3 D S P
+ 1 2 V - 1 2 V
C 4 0 2 3
C B 4 5 1 W 4 0 0 1 C B 4 0 1
+ 1 2 V
12.1
0 . 1 / 1 6
0 M I C
E 0 E
- 1 2 V
-12.1
3.2 M I C _ N _ D E T
3.2 P S W _ N _ D E T P S W _ N _ D E T
E
S T B Y _ L E D
0
3.3 + 3 . 3 M
0 D G N D
F G
0
C 4 0 2 1
C 4 0 2 0
n o _ u s e
C 4 0 2 2
F G 1
R 4 0 4 1
1 0 0 K
D G N D
t o D i g i t a l
Page 104 C2
to DIGITAL_CB21
I J K
R E S I S T O R
R E M A R K S P A R T S N A M E
N O M A R K C A R B O N F I L M R E S I S T O R
C A R B O N F I L M R E S I S T O R
M E T A L O X I D E F I L M R E S I S T O R
M E T A L F I L M R E S I S T O R
M E T A L P L A T E R E S I S T O R
F I R E P R O O F C A R B O N
N O T I C E C E M E N T M O L D E D R E S I S T O R
( m o d e l )
J J A P A N S E M I V A R I A B L E R E S I S T O R
U U . S . A C H I P R E S I S T O R
C C A N A D A
R G E N E R A L C A P A C I T O R
T C H I N A R E M A R K S P A R T S N A M E
K K O R E A N O M A R K E L E C T R O L Y T I C C A P A C I T O R
M A I N V O L U M E A A U S T R A L I A T A N T A L U M C A P A C I T O R
B B R I T I S H N O M A R K C E R A M I C C A P A C I T O R
W 4 7 0 1 G E U R O P E C E R A M I C T U B U L A R C A P A C I T O R
L S I N G A P O R E P O L Y E S T E R F I L M C A P A C I T O R
B C O M E S O U T H E U R O P E P O L Y S T Y R E N E F I L M
V T A I W A N M I C A C A P A C I T O R
F R U S S I A N P P O L Y P R O P Y L E N E F I L M
P L A T I N A M E R I C A S E M I C O N D U C T I V E C E R A M I C C A P A C I T O R
S B R A Z I L P O L Y P H E N Y L E N E S U L F I D E
S
H T H A I C A P A C I T O R
OPERATION (7)
P N 4 7 1 P N 4 7 2
W 4 7 6 1
S T 4 7 6
to chassis
R 4 7 6 1
J K 4 7 6 R 4 7 6 5
1 K 1 K
R 4 7 6 3
L
1 P 4 7 0
PHONES
R
SILENT CINEMA
R 4 7 6 4
1 P 4 7 0
G N D
Page 106 F8
to DIGITAL_CB61
t o D I G I T A L
OPERATION (1)
4 5
Q 5 4 0 5
M C H 6 3 3 6 - T L - E
n o _ u s e
3 2
+ 3 . 3
n o _ u s e
Y F 0 1 3 A 0
1
R P 1 3 0 Q 3 3 1 D - T R - F
n o _ u s e 4
R 4 0 3 7 I C 4 0 3
3
V + 1 K
B D 7 5 4 1 G - T R
0 . 5 %
4 3
5
I C 4 0 2
I C 4 0 3 I C 4 0 3
1 2
2
R 4 0 3 8
V -
n o _ u s e
n o _ u s e
1 0 0 K
0 . 5 %
C 4 0 4 1
n o _ u s e
1 0 0 0 P ( B )
U G N D
C 4 0 2 4
0 . 1 / 1 6
F G
F G
V A U X
V E
C 4 0 2 5
A U X L
0 . 1 / 1 6 A U X E
A U X R
- 1 2 V + 1 2 V
F G
1 0 0 P ( S L )
J 4 0 0 2 J 4 0 0 3
1 0 0 P ( S L )
n o _ u s e n o _ u s e
J 4 0 0 4
n o _ u s e
F G 1 F G E
t o C o n n e c t 3
Page 112 I6
to MAIN (5)_CB371
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
L M N
( P = 5 )
( P = 1 0 ) IC401: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
F I L M R E S I S T O R Display code
RAM CGROM
(35-bit x 166)
(8-bit x 60)
Segment
Code
output
write
circuit
CGROM
CS 2 Serial dot data
data (35-bit x 16)
write
SCK 3 receive
Code/
circuit
SDATA 4
command
control
circuit
Segment/
code
Digit
select
select/
C A P A C I T O R
XIN 7
Clock output
timing Display
generator clock controller scan pulse circuit
XOUT 6
C A P A C I T O R
F I L M
Digit
RESET 1 output
circuit
Vcc1 8
Vcc2 18
Vss 5
Vp 64
IC471: NJM4565M (TE1)
Dual operational amplifier
V+
8
O P E ( 7 ) 2, 6
–INPUT OUTPUT
1, 7
+INPUT
3, 5
4 7 6 1 - 4 8 0 0
4 7 6 - 4 8 0
V–
4
H e a d P h o n e
C B 4 7 7
3.3 H P _ N _ D E T
0 H P L F r o m
Page 110 K2
0 H P E
M A I N ( 1 )
to MAIN (1)_W2005
0 H P R
P H L
Page 107 K8
to DIGITAL_CB952
t o N E T
J 4 0 0 9
O P E ( 1 )
J 4 0 0 6
4 0 0 1 - 4 5 0 0
4 0 1 - 4 5 0
D 4 0 1 1
6
n o _ u s e
D 4 0 1 2
1 n o _ u s e
C 4 0 3 4
1 0 0 0 P ( B )
J 4 0 0 5
n o _ u s e
(Front USB)
F G
F G
P J 4 0 1
W Z 6 3 1 7 0
VIDEO
R 4 0 5 0
4 7 0
VIDEO AUX
L
R 4 0 5 1
R
AUDIO
4 7 0
E
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
and must be replaced ● 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。
44 SEG00
19 SEG25
17 SEG26
9 SEG34
45 SEG35
DIG11/
52
SEG42
DIG12/
51
SEG41
DIG13/
50
SEG40
DIG14/
49
SEG39
DIG15/
48
SEG38
DIG16/
47
SEG37
DIG17/
46
SEG36
DIG00
63
53 DIG10