Yamaha RX-V483/HTR-4071, Service Manual

Page: 108 / 153

A
1
2
3
4
5
6
7
8
9
10
N M L K J I H G F E D C B
108
RX-V483/HTR-4071
1
2
3
4
5
6
7
8
N C P U _ A D T _ M U T E
N C P U _ M I S O
N C P U _ M O S I
N C P U _ S P I _ M I S O
N C P U _ S P I _ M O S I
N C P U _ P H O L D
E T H _ T X _ P
E T H _ T X _ M
E T H _ R X _ P
E T H _ R X _ M
N C P U _ S P I _ S C K
N C P U _ A U P _ M C K X
N C P U _ A U P _ B C K X
N C P U _ A U P _ W C K X
N C P U _ A U P _ S D X 0
N C P U _ A U P _ S D X 2
N C P U _ A U P _ S D X 3
N C P U _ A U P _ S D X 1
+ 3 . 3 V M M C
A P _ S C L
A P _ S D A
U S B _ D M
U S B _ D P
N C P U _ A D T _ S D R 0
N C P U _ A D T _ W C K R
N C P U _ A D T _ B C K R
N C P U _ D B G _ R X D
N C P U _ D B G _ T X D
U S B _ V B U S
N C P U _ V B U S D R V
C 9 5 1 5
n o _ u s e
R 9 5 0 1
1 5 0 X 4
1
2
4 5
3 6
7
8
7
8
+ 5 . 5 V
D G N D
C950
7
no_us
e
D950
2
no_us
e
C 9 5 1 2 n o _ u s e
I C 9 5 3
M F I 3 3 7 S 3 9 5 9
1
2
3
4 5
6
7
8
C 9 5 1 6
1 0 0 0 P ( B )
D G N D
D G N D
C950
6
no_us
e
D G N D
R 9 5 0 5
1 5 0
C951
0
0.1/10(BJ
)
U S B _ V B U S _ P O N
D G N D
C950
5
no_us
e
D950
1
A V R L 1 6 1 A 1 R 1 N T B
no_us
e
D G N D
C951
3
0.1/10(BJ
)
C950
9
no_us
e
+ 5 N E T
R951
0
4.7
K
D G N D
U S B _ V B U S _ P R T
D G N D
C B 9 5 4
P H L
1
2
3
4
5
6
7
C950
8
no_us
e
D G N D
D G N D
R 9 5 0 8
1 0 K
R951
4
4.7
K
R951
5
4.7
K
S T 9 5 1
Z P 5 1 4 5 0
L 9 5 0 4
E X C 2 4 C E 9 0 0 U
1 4
3 2
L 9 5 0 5
E X C 2 4 C E 9 0 0 U
1 4
3 2
L 9 5 0 3
E X C 2 4 C E 9 0 0 U
1 4
3 2
H R 9 0 3 1 2 5 C
C B 9 5 3
1
2
3
4
5
6
7
8
D G N D D G N D
+ 5 N E T
N C P U _ A D T _ M U T E
N C P U _ S P I _ S C K
N C P U _ M O S I
N C P U _ M I S O
N C P U _ V B U S D R V
N C P U _ P H O L D
+ 3 . 3 V M M C
+ 5 N E T
N C P U _ B C K
N C P U _ S D 0
N C P U _ M C K
N C P U _ W C K
R 9 5 0 2
1 5 0 X 4
1
2
4 5
3 6
N C P U _ S D 2
N C P U _ S D 3
N C P U _ S D 1
R 9 5 0 7
1 0 0 X 4
D I R _ A D T _ S D 0
D I R _ A D T _ B C K
D I R _ A D T _ W C K
D G N D
C 9 5 0 4
0 . 1 / 1 0 ( B J )
D G N D
C951
4
0.1/10(BJ
)
N C P U _ S P I _ M O S I
N C P U _ S P I _ M I S O
+3.3VMM
C
C B 9 5 1
n o _ u s e
DGN
D
C 9 5 0 3
1 0 0 0 P ( B )
C B 9 5 2
1 3 4 2 0 3 5 6 0 W 3
1 2
3 4
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
2 3 2 4
2 5 2 6
2 7 2 8
2 9 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
R951
2
no_us
e
D G N D
+ 5 N E T
Q 9 5 0 3
n o _ u s e
R951
3
no_us
e
R951
1
1k
D G N D
Q 9 5 0 2
n o _ u s e
1 2 3
4 5 6
R950
9
100KX
4
DGN
D
D G N D
ST95
2
L 9 5 0 2
B L M 2 1 P G 6 0 0 S N 1 D
L 9 5 0 1
B L M 2 1 P G 6 0 0 S N 1 D
+ 3 . 3 V M M C
I 2 S B U F _ E N _ S E L
Q 9 5 0 1
D T C 0 4 4 E U B T L
R950
3
10
K
D G N D
D G N D
C951
1
1/2
5
D G N D
C950
1
0.01/16(B
)
C950
2
1000P(B
)
+ 3 . 3 D S P
D G N D
R950
6
10
K
I C 9 5 1
7 4 V H C 1 5 7 F T
1
SELEC
T
2
1
A
3
1
B
4
1
Y
5
2
A
6
2
B
7
2
Y
8
GN
D
9
3
Y
1 0
3
B
1 1
3
A
1 2
4
Y
1 3
4
B
1 4
4
A
1 5
S
T
1 6
VC
C
A D T S E L _ N _ E N
R 9 5 1 6
1 0 K X 4
D G N D
R951
7
10
K
IC95
2
74VHC245F
T
1
D I R
2
A 1
3
A 2
4
A 3
5
A 4
6
A 5
7
A 6
8
A 7
9
A 8
1
0
G N D
1
1 B 8
1
2 B 7
1
3 B 6
1
4 B 5
1
5 B 4
1
6 B 3
1
7 B 2
1
8 B 1
1
9 G
2
0 V C C
J 9 5 0 7
n o _ u s e
J 9 5 0 8
n o _ u s e J 9 5 0 9
n o _ u s e
T C K 1 0 7 A F
I C 9 5 4
1
V O U T
2
G N D
3
C O N T R O L
4
N C
5
V I N
0
J 9 5 1 1
J951
0
no_us
e
D G N D
+ 5 . 5 V
V r e t u r n
- D A T A
+ D A T A
D i f f e r e n t i a l I m p e d a n c e 1 0 0 o h m
E t h e r n e t
A p p l e C o P r o c e s s o r
G N D V C C
R S T
S C L
S D A
F G
U S B _ V B U S _ P O N
U S B p o w e r p r o t e c t i o n
Z F 2 8 6 6 0 H A N R U N
Z F 2 8 6 7 0 S U N J U N
+ 5 N E T
+ 5 N E T
+ 5 W L A N
t o 0 0 3 . s h t
( D S P )
t o 0 0 4 . s h t
( D I R )
t o 0 0 4 . s h t
( D I R )
t o 0 0 2 . s h t
( C P U )
t o 0 0 2 . s h t
( C P U )
G D I R I / O
L L B
A
L H A B
H X H i Z
GN
D
DBG_RX
D
DBG_TX
D
D E B U G
+3.3VMM
C
t
o
OPE(
)
F o r E M C
N C P U _ A D T _ M C K R
N C P U _ Z _ A U P _ M C K X
N C P U _ Z _ A U P _ B C K X
N C P U _ Z _ A U P _ W C K X
N C P U _ Z _ A U P _ S D X 0
+ 5 W L A N
F r o m 0 0 2 . s h t
( C P U )
D i f f e r e n t i a l I m p e d a n c e 9 0 o h m
S T S L E C T I / O
L L A
Y
L H B Y
H X L
F r o m 0 0 2 . s h t
( C P U )
D i s t r i b u t i o n
N
C
N
C
N
C
IC952 : 74VHC245FT BUFF
Octal bus transceiver
IC81 : 74VHC157FT
Quad 2-channel multipiexer
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
GND
DIR
G
B1
B2
B3
B4
B5
B6
B7
B8
Vcc
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1Y
φ
A
φ
B
1A
1B
4
2
3
2Y
2A
2B
7
5
6
3Y
3A
3B
9
11
10
4Y
4A
4B
12
14
13
φ
A
φ
B
φ
A
φ
B
φ
A
φ
B
φ
A
φ
B
SELECT
ST
1
15
OUT
Control
Logic
V
IN
CONTROL
V
GND
Slew Rate
Control Driver
Output
Discharge
Pull
Down
IC98 : TCK107AF
Load switch ICs
Page 109 H5
to OPERATION (1)_W4401
to DIGITAL 2/6
to DIGITAL 2/6
to DIGITAL 2/6
to DIGITAL 4/6
to DIGITAL 4/6
to DIGITAL 3/6
to DIGITAL 2/6
No replacement part available.
サービス部品供給なし
RESISTOR
REMARKS
NO MARK PARTS NAME
CARBON
CARBON
METAL
METAL
METAL
FIRE
CEMENT
SEMI FILM RESISTOR
FILM RESISTOR
OXIDE FILM RESISTOR
FILM RESISTOR
PLATE RESISTOR
PROOF CARBON FILM RESISTOR
MOLDED RESISTOR
VARIABLE RESISTOR
(P=5)
(P=10)
CHIP RESISTOR
REMARKS
CAPACITOR
PARTS NAME
NO
NO
MARK
MARK
ELECTROLYTIC CAPACITOR
CERAMIC CAPACITOR
POLYESTER FILM CAPACITOR
POLYSTYRENE FILM CAPACITOR
MICA CAPACITOR
POLYPROPYLENE
FILM CAPACITOR
SEMICONDUCTIVE CERAMIC CAPACITOR
P
TANTALUM CAPACITOR
TUBULAR
S
CAPACITOR CERAMIC
FILM SULFIDE POLYPHENYLENE
CAPACITOR
N O T I C E
U.S.A
G
CANADA
STANDARD
L
CHINA
AUSTRALIA
SINGAPORE
KOREA
GENERAL
U
C
T
A
K
R
JAPAN
(model)
B BRITISH
J
SOUTH EUROPE E
V
TAIWAN
F RUSSIAN
P LATIN AMERICA
S BRAZIL
H THAI
5.50 V
0 V
5.12 V
0 V
0 V
3.29 V
0 V
DIGITAL 6/6
Details of colored lines
Red / full line: Power supply (+)
Red /dashed line: Power supply (-)
Orange:
Signal detect
Yellow: Clock
Green: Protection detect
Brown: Reset signal
Blue: Panel key input
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Circuit diagram is subject to change without notice.
● 電圧は、内部抵抗
10M
Ω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。