Yamaha RX-V381 Service Manual page 98

A B C
RX-V381/HTR-3069
1
MAIN 3/3
2
C B 4 6
D A _ S R
2.419V 1
A G N D
2
0.000V
D A _ S L
3
2.434V
A G N D
0.000V 4
D A _ S W
2.438V 5
A G N D
0.000V 6
3
D A _ C
2.443V 7
A G N D
Page 97 E2
8
0.000V
D A _ F R
to MAIN (1)_CB5
9
2.427V
A G N D
0.000V 10
D A _ F L
2.425V 11
A G N D
0.000V 12
M I C
0.000V 13
+ 1 2 A
14
11.73V
A U X L
15
0.000V
A U X E
16
0.000V
A U X R
0.000V 17
- 1 2 A
-12.03V 18
4
5 2 4 1 8
5
-0.2mV
C B 4 2
0.000V
1
0.1mV
2
0.000V
3
0.000V
4
Page 97 D2 130.8mV
5
to MAIN (1)_CB4
0.000V
6
145.3mV
7
0.000V
6
8
35.5mV
9
3.281V
10
11
5 2 4 1 8
7
8
9
N O T I C E
( m o d e l ) R E S I S T O R
J J A P A N
R E M A R K S P A R T S N A M E
U U . S . A
N O M A R K C A R B O N F I L M R E S I S T O R ( P = 5 )
C C A N A D A
C A R B O N F I L M R E S I S T O R ( P = 1 0 )
R G E N E R A L
M E T A L O X I D E F I L M R E S I S T O R
T C H I N A
M E T A L F I L M R E S I S T O R
K K O R E A
M E T A L P L A T E R E S I S T O R
A A U S T R A L I A
F I R E P R O O F C A R B O N F I L M R E S I S T O R
B B R I T I S H
C E M E N T M O L D E D R E S I S T O R
G S T A N D A R D
S E M I V A R I A B L E R E S I S T O R
L S I N G A P O R E
C H I P R E S I S T O R
E S O U T H E U R O P E
★ All voltages are measured with a 10M Ω /V DC electronic voltmeter.
V T A I W A N
F R U S S I A N C A P A C I T O R ★ Components having special characteristics are marked ⚠ and must be replaced
P L A T I N A M E R I C A R E M A R K S P A R T S N A M E
with parts having specifications equal to those originally installed.
10 S B R A Z I L 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
H T H A I T A N T A L U M C A P A C I T O R
★ Schematic diagram is subject to change without notice.
N O M A R K C E R A M I C C A P A C I T O R
C E R A M I C T U B U L A R C A P A C I T O R
P O L Y E S T E R F I L M C A P A C I T O R
● 電圧は、内部抵抗 10M Ωの電圧計で測定したものです。
P O L Y S T Y R E N E F I L M C A P A C I T O R
M I C A C A P A C I T O R
● ⚠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、
P P O L Y P R O P Y L E N E F I L M C A P A C I T O R
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。
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
P O L Y P H E N Y L E N E S U L F I D E F I L M
S ● 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。
C A P A C I T O R
98
D E F
Page 94 H9
to OPERATION (1)_CB405
MAIN (2)
M A I N ( 2 ) C O N N E C T 1
* 4 5 1 - 5 0 0
* * 4 6 - 5 0
T P 5 0 5 - 5 5 0 5 3 2 9 0 - 1 3 8 0
N C
1 3
N C
1 2
D A _ S R
1 1
A G N D
SURROUND L 1 0
D A _ S L
9
A G N D
8
SUBWOOFER Page 92 K5
D A _ S W
7
to DIGITAL_CB264
A G N D
CENTER 6
D A _ C
5
A G N D
4
D A _ F R
3
A G N D
FRONT L 2
D A _ F L
1
C B 4 8
P N 4 6
s 4 6
J 4 5 1 n o _ u s e
n o _ u s e
G N D
MAIN (3)
M A I N ( 3 ) C O N N E C T 2
* 4 0 1 - 4 5 0 5 3 2 9 0 - 1 5 8 0
* * 4 1 - 4 5 N C
1 5
T P 6 0 1 - 6 3 0 1 4 N C
1 3 N C
1 2 N C
1 1 A D L
1 0 A G N D
9 A D R
8 A G N D
7 D G N D
Page 92 K2
6 A V 1 _ D
to DIGITAL_CB263
5 D G N D
4 A U D 2 _ D
3 D G N D
2 A U D 1 _ D
1 + 3 . 3 D
C B 4 1
W R 2 6 1 2 0
S T 4 1
W W 8 3 4 2 0
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
G H I
MAIN (4)
M A I N ( 4 )
G U A R D 1
* 6 0 1 * 7 0 0
* * 6 1 * * 7 0
P N 6 1
W S 4 8 8 3 0
MAIN (5)
M A I N ( 5 )
G U A R D 2
* 7 0 1 * 8 0 0
* * 7 1 * * 8 0
P N 7 1 P N 7 2
W S 4 8 8 3 0 n o _ u s e
MAIN (6) (R, V, S models)
M A I N ( 6 )
V O L T A G E S E L E C T O R
* 5 0 1 * 6 0 0
( D E S T R V S O N L Y )
* * 5 1 * * 6 0
T P 5 0 1 - 5 0 4
s 5 2
S W 5 1
O R
1 1 0 / 1 2 0 4
R E
3
2 2 0 / 2 4 0 2
Y E
1 V I
1 1 0 / 1 2 0
C B 5 1
2 2 0 / 2 4 0
s 5 1
VOLTAGE
SELECTOR
D e s t i n a t i o n P a r t L i s t
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s x x | L O C A T I O N | J U C T A |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 4 6 | P N 4 6 | X |
| | | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 5 1 | S W 5 1 | X |
| | | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 5 2 | C B 5 1 | X |
| | | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
J K L
to POWER
TRANSFORMER
R V S | K B G L F |
W S 4 8 8 3 0 | W S 4 8 8 3 0 |
W S 4 8 8 3 0 | W S 4 8 8 3 0 |
W V 3 8 2 9 0 | X |
S L 1 4 | |
V 9 3 7 7 9 0 | X |
B 4 P 7 S - V H | |
M N