Yamaha RX-V385, Service Manual

Page: 105 / 133

★
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.
● 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。
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18
1
C B E D G F I H J L K N M P O Q S R U T W V X Y A
105
MAIN 1/3
RX-V385/HTR-3072
FRONT L
CENTER
SURROUND L
ANALOG IN
ANALOG IN
SUBWOOFER OUT
FRONT L
CENTER
SUBWOOFER OUT
SURROUND L
12.2
-12.0
0
12.2
0
0
0
0
0
0
0
0 0 0 0 0
-12.0
12.2
7.0
-6.9 -12.0
12.2
12.1
-12.0
-12.0
-12.0
AV3L AV3R
A V 2 L
A D L
T U R
DAC DASL DAFL
V O S W
V O C
V O S W
V O F R
V O F L
V O S R
V O S L
V O S B L
V O S B R
T U L
DASW DASR DAFR
ADL
A D R
A V 3 L
A V 2 R
A V 3 R
AUDIO3L AUDIO3R
MIC
AUXL AUXR
D A C
D A S W
D A S L
D A S R
D A F L
D A F R
T U L
T U R
M I C
A U X L
A U X R
D A S B R
D A S B L
AGND
ADR
AUDIO3L AUDIO3R
PHR
P H R
P H L
AV2R AV2L
V O F R
V O F L
V O C
V O S R
V O S L
V O S B R
V O S B L V O S B L
DASBL DASBR
AGND
PHL
D I S T R
A G N D
D I S T L
D I S T R
D I S T L
AGND
Q 2 0 0 3
D 2 7 0 4 ( K )
R2044
100K
R2045
R2050 100K
F R
C
R2052
no_use
P O E
R 2 0 3 8
1 P 2 2
I C 2 0 2
B A 4 5 6 0 F
5
6
7
M U T E _ S W
R 2 0 3 9
1 P 2 2
4 7 0 K
R 2 0 2 1
2 2 0 P ( S L )
C 2 0 1 5
470
R2023
C 2 0 3 8
1 0 0 P ( S L )
- 1 2 A
0.1/16
C2019
Q 2 0 0 9
D 2 7 0 4 ( K )
R2042
4.3K
C 2 0 1 7
n o _ u s e
M U T E _ 3 c h
+ 1 2 A
+ 1 2 A
R2037
1K
P O E
R 2 0 6 1
1 0 K
R 2 0 6 6
1 0 K
R2051
no_use
R2033 100
P S 1 _ P R T
C2029 47/50
S B R
R2030
22K
- 1 2 A
VN50000
J2003
C 2 0 4 1
M G
I C 2 0 2
B A 4 5 6 0 F
3
2
1
S R
470
R2020
S B L
R 2 0 4 3
3 . 3 K
- 1 2 A
C2030 47/50
6 0 0 2 Q
) K ( 4 0 7 2 D
4 7 0 K
R 2 0 2 2
R 2 0 0 1
1 P 2 . 2
D2001
UDZV7.5B
- 1 2 A
P O E
R2029
22K
A G N D
100K
R2073
V -
4
R 2 0 0 3
1 P 2 . 2
) K ( 4 0 7 2 D
8 0 0 2 Q
R2048 100K
- 7 A
C2023 47/50
R 2 0 4 0
1 K
F L
R2036
1K
Q 2 0 1 0
D 2 7 0 4 ( K )
R2027
no_use
4 0 0 2 Q
Q 2 0 0 5
Q 2 0 0 7
D 2 7 0 4 ( K )
VN50000
J2004
M S P - 2 4 4 V 1 - 0 1 N I P J 2 0 2
3 2 6 1 7 5 4
V O L _ M O S I
V O L _ S C K
P J 2 0 4
M S P - 2 4 1 V 1 - 0 1 N I
G
2 2 0 P ( S L )
C 2 0 1 3
470
R2016
R 2 0 7 1
1 0 K
P J 2 0 5
n o _ u s e
470
R2019
IC203
BD3473KS2
1
O U T S B L
2
O U T S B R
3
O U T C
4
O U T S W
5
O U T S L
6
O U T S R
7
O U T F L
8
O U T F R
9
V E E
10
C L
11
D A
12
D G N D
13
V C C
14
T N F 1
15
B N F 1
16
B O U T 1
17
B O U T 2
18
B N F 2
19
T N F 2
20
G N D
24
CIN1
23
SBRIN1
22
SBLIN1
21
GND
25
SWIN1
26
SLIN1
27
SRIN1
28
FLIN1
29
FRIN1
30
GND
31
ADCL
32
ADCR
33
GND
34
SUB1R
35
SUB1L
36
GND
37
INR1
38
INL1
39
INR2
40
INL2
64
SRIN2
63
FLIN2
62
FRIN2
61
GND
45
I N R 5
46
I N L 5
47
I N R 6
48
I N L 6
49
I N R 7
50
I N L 7
51
I N R 8
52
I N L 8
53
I N R 9
54
I N L 9
55
I N R 1 0
56
I N L 1 0
57
I N R 1 1
58
I N L 1 1
59
I N R 1 2
60
I N L 1 2
44
I N L 4
43
I N R 4
42
I N L 3
41
N I R 3
65
SLIN2
66
SWIN2
67
CIN2
68
SBRIN2
69
SBLIN2
70
GND
71
RECR1
72
RECL1
73
RECR2
74
RECL2
75
RECR3
76
RECL3
77
SUB2R
78
SUB2L
79
GND
80
GND
C 2 0 4 2
S L
100K
R2060
2 2 0 P ( S L )
C 2 0 1 2
R 2 0 6 7
1 0 K
R 2 0 6 5
1 0 K
+ 1 2 A
R 2 0 6 2
V +
8
P O E
100K
R2070
R 2 0 7 4
R2047 100K
P O E
P O E
V404050
ST201
100K
R2075
R203
2
100
4 7 0 K
R 2 0 1 7
2 2 0 P ( S L )
C 2 0 1 4
4 7 0 K
R 2 0 1 8
R 2 0 6 3
0.1/16
C2018
D2002
UDZV7.5B
R 2 0 6 9
3 3 0
R2024
no_use
C 2 0 1 6
n o _ u s e
R2076
220
+ 1 2 A
R2049 100K
Q 2 0 1 1
D 2 7 0 4 ( K )
P O E
C 2 0 4 0
0 . 0 1 ( B )
C2022
47/50
M U T E _ S B
R 2 0 7 2
1 0 K
- 1 2 A
R2046
V N 5 0 0 0 0
J 2 0 0 1
R 2 0 6 4
1 0 K
R 2 0 6 8
6 8 0
+ 1 2 R Y
- 1 2 R Y
J2008 J2007
+ 1 2 A
- 1 2 A
C2027 47/50
C2026 47/50
C 2 0 3 9
1 0 / 5 0
C2028
0.47/100
P J 2 0 3
n o _ u s e
C 2 0 0 5
1 0 / 5 0
C 2 0 0 4
1 0 / 5 0
C 2 0 3 5
1 0 / 5 0
C 2 0 3 4
1 0 / 5 0
C 2 0 3 7
1 0 / 5 0
C 2 0 3 6
1 0 / 5 0
R2079
100K
M U T E _ S U R
+ 7 A
R2034
0
R2035
0
C B 2 0 1
5 3 2 9 0 - 0 8 8 0
1
2
3
4
5
6
7
8
C B 2 0 2
5 3 2 9 0 - 1 6 8 0
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
C2055
R2088
R 2 0 9 9
R2086
C2053
R 2 0 9 8
NJM2068MD-TE2
IC204
5 6
7
PJ206
MSP-242V1-01NI
-
8
C 2 0 4 8
C2050
R2080
R 2 0 9 0
C2051
R 2 0 8 5
C2054
R 2 0 8 3
L2002
BLM18PG471SN1D
R 2 0 9 2
C 2 0 4 6
R 2 0 9 1
L2003
BLM18PG471SN1D
R 2 0 9 3
R2089
R 2 0 8 4
R2087
R 2 0 8 2
C2052
C 2 0 5 7
R2081
+7A
C 2 0 4 7
C 2 0 5 8
R2094
R 2 0 9 7
0
R 2 0 9 6
0
-7A
C 2 0 4 5
C 2 0 4 3
C2049
C2056
NJM2068MD-TE2
IC204
3 2
1
4
R2095
C 2 0 4 4
J 2 0 0 9
n o _ u s e J 2 0 1 0
n o _ u s e
VN50000
J2011
VN50000
J2012
C B 2 0 3
5 1 0 4 8
V I 8 7 8 5 0
1 2 3 4 5 6 7
W2003 7 P 1 4 0 M M P = 2 . 0
M F 0 0 7 1 4
C 2 0 5 9
0 . 0 1 ( B )
C 2 0 6 0
1 0 0 0 P ( B )
Q 2 0 0 1
K T C 3 5 7 2 - A T / H
Q 2 0 0 2
K T A 1 5 7 2 - A T / H
R 2 0 5 6
1 K
R 2 0 5 5
R 2 0 5 3
1 K
R 2 0 5 7
1 K
R 2 0 5 8
1 K
R 2 0 5 9
1 K
R 2 0 5 4
C H A S S I S _ B
C 2 0 3 2
C 2 0 3 3
C 2 0 3 1
1 0 / 5 0
0
R 2 0 2 5
0
R 2 0 2 6
W 2 0 0 2
S A N - P H
n o _ u s e
1
2
3
R2731
no_use
R2732
no_use
J 2 0 0 2
n o _ u s e
L
AUXR
A G N D
D I S T R
R
AUXL
D A S R
PRE-OUT
A G N D
A D R
R
A G N D
R
MIC
T U E
AGND
D I S T L
D I S T E
SW
D A S B L
+ 1 2 A
L
A D L
D A S W
AUDIO-3
A G N D
T U R
A G N D
D A S L
4 . 6 2 d B
AV-3
A D E
D A S B R
T U L
AUXE
AV-2
D A F L
+12A
A G N D
L
-12A
D A F R
D A C
to MAIN(3) (CONNECT2)
B to B 8P
to MAIN(2) (CONNECT1)
B to B 16P
- 1 2 A
A G N D
+ 1 2 A
to OPE(4) (POWER)
SAN-PH 3P #26 L=140mm
n o _ u s e
PHR
L R
PHL
PHONO
PHONO
n o _ u s e
t o M A I N ( 5 )
FLAT 7P P=2.0mm L=140mm
V585/A680
R 2 0 3 4 , R 2 0 3 5 : n o _ u s e
J 2 0 1 1 , J 2 0 1 2 : n o _ u s e
R 2 0 3 4 , R 2 0 3 5 : u s e
J 2 0 0 9 , J 2 0 1 0 : u s e
J 2 0 1 1 , J 2 0 1 2 : u s e
J 2 0 0 9 , J 2 0 1 0 : n o _ u s e
V385/485
M A I N ( 1 )
IC203 : BD3473KS2
7.1-channel sound processor with built-in mode and input selectors
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
Sub2
SBL
Volume
SBR
Volume
C
Volume
SW
Volume
SL
Volume
SR
Volume
TONE
LOGIC
FR
Volume
FL
Volume
Volume
+24dB to 95dB
/0.5dB step
Mixing
Gain
Front:-1.62dB
SW:-3.60dB
Rec
Mode
selector
Sub2
SubL2 SubR2 SubL1 SubR1 MainL MainR
Sub1
Main
Main
76
77
78
79
80
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
Mode
selector
Mode
selector
Multi1
Multi2
Mode
selector
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
Sub1
ADC
TONE
IC202: BA4560F-E2
Low noise dual operational amplifier
–
+
–
+
8 7 6 5
1 2 3 4
OUT1 + IN1 - IN1 V
EE
V
CC
OUT2 + IN2 - IN2
Ch1
Ch2
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
MAIN (1)
AV 2
L/R
AV 3
L/R
PRE OUT
SUBWOOFER
SELECTOR
and
E-VOLUME
to MAIN (3)_CB272
Page 107 K7
to MAIN (2)_CB252
Page 107 D10
to MAIN (2)_CB254
Page 107 B10