Yamaha RX-V385, Service Manual

Page: 107 / 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。
2
3
4
5
6
7
8
9
10
11
12
13
1
B C D E F G H I J K L M N O P Q A
107
MAIN 3/3
RX-V385/HTR-3072
FRONT L
CENTER
SURROUND L
DIGITAL IN
ANALOG IN
SUBWOOFER OUT
0 0 0 0 0
12.2 0 0 0 0 0 0 0
3.4
0 0 0 0 0 0 0 0 0 0
5.1 2.8 2.8 3.0
-12.0 12.2
12.2
12.2
12.2
12.2
2.5 2.5
12.0
0
0
-12.0
0
0
0
N O T I C E
U.S.A
G
CANADA
EUROPEAN 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
C 2 7 0 3
n o _ u s e
+12A
D G N D
1 0 7 2 D
M V 5 5 3 S S 1
R 2 7 0 1
1 P 2 2
C2702
100/16
CB251
53290-1380
1 2 3 4 5 6 7 8 9
10 11 12 13
CB271
5 3 2 9 0 - 1 5 8 0
V Q 9 6 3 6 0
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15
+ 1 2 A
C2701 10/50
CB252 52418
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
CB272
52418
VQ96110
1 2 3 4 5
6 7 8
C 2 7 0 6
2 2 P ( C H )
R2710 R2711
120
C2711
47/50
R2712
820
R2715
820
R2714
3.3K
J S R 1 1 6 5 - D
U 2 7 0 1
V C C
1
G
2
O U T
3
R2713
3.3K
R 2 7 0 9
8 2
P J 2 7 1 M S P - 2 5 2 V 1 - 3 0 N I F
4
3
2
1
L2701
no_use
R2717
100
C2709
0.1/16
R2707
0
R 2 7 1 8
1 . 0
C2708
0.1/16
C2712 0.1/16
R2716
100
C 2 7 1 0
0 . 1 / 1 6
C 2 7 0 7
2 2 P ( C H )
R2706
100
R 2 7 0 8
8 2
D G N D
CB254 51048
1 2 3 4 5 6 7
A G N D
I C 2 7 1
K I A 7 8 0 5 A P I
O U T
C O M
I N
A G N D
C2720
1/16
A G N D
C2719
1/16
C 2 7 2 1
n o _ u s e
C 2 7 1 6
1 / 1 6
C 2 7 2 2
n o _ u s e
C2717
1/16
+ 1 2 A
+ 1 2 A
C2715
no_use
A G N D
+ 1 2 A
I C 2 7 3
N J M 8 0 6 5 R B 1 ( T E 1 )
5 6
7
3 2
1
V +
8
V -
4
R2719
22K
R2722
22K
R2721
22K
R2720
22K
R2723
56K
R2724
56K
R2726
110K
R2725 110K
R2728
110K
R2727 110K
C2726
39P(CH)
C2725
39P(CH)
C2724
39P(CH)
C2723
39P(CH)
3 7 1
R B W S - 0 4 0 9 E - V O
n o _ u s e
P N 3 5 2
C2714 22/50
IC272
74AHCU04PW
1
2
IC272
11
10
IC272
5
6
IC272
9
8
IC272
74AHCU04PW
3
4
IC272
74AHCU04PW
13
12
14
7
A G N D
R2729
47K
R2730
47K
A G N D A G N D
2 5 1
R B W S - 0 4 0 9 E - V O
n o _ u s e
C 2 7 0 5
1 0 / 1 6
C 2 7 0 4
1 0 / 1 6
C B 2 5 3
5 2 0 4 5
1
2
3
4
5
6
7
R2703
100
R2702
100
DISTR
DA_FL
t o D I G I T A L
DAFR
*3501 3700
TUE
DAC
DGND
ADL AGND
AV1_D
DA_SBR
AGND
AGND DISTR
**251 270
DA_FR DA_SW
TUL
AGND
TUR
DISTL
AGND
TP1001 1100
DA_SL
C O N N E C T 2
ADR
AGND
DA_SR
C O N N E C T 1
ADR DASW
TUE
T o M A I N ( 1 )
ADL
AUDIO2_D AUDIO1_D
AGND
+3.3DSP
DASR
AGND
AGND
+5A
DA_SBL
TUR
DA_C
DASBL
T o M A I N ( 1 )
AGND
DISTL
AGND
TUL
DISTE
**271 300
TP1301 1400
DGND
DASBR
+12A
TP1101 1200
DASL
M A I N ( 2 )
T o D i g i t a l
DISTE
M A I N ( 4 )
DGND
DAFL
*2701 3000
*2501 2700
M A I N ( 3 )
**351 370
**371 380
*3701 3800
M A I N ( 5 )
AUDIO-1 AUDIO-2 AV-1
AUXR +12A AUXL
A U X E
A G N D
T O M A I N
AGND MIC
M I C
+ 1 2 A
-12A
A U X L
AUXE
- 1 2 A
A U X R
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 V P S | K L F | A B G |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - +
| s 2 2 1 | T E 2 2 1 | W W 7 2 8 9 0 | W W 7 2 8 9 0 | W W 7 2 6 5 0 | W W 7 2 6 5 0 |
| | | M S T - 2 0 4 V 5 - 0 1 - 7 6 | M S T - 2 0 4 V 5 - 0 1 - 7 6 | M S T - 2 0 4 V 5 - 0 1 - 7 6 | M S T - 2 0 4 V 5 - 0 1 - 7 6 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - +
| s 2 2 2 | T E 2 2 2 | W W 7 2 6 6 0 | W W 7 2 6 6 0 | W W 7 2 8 8 0 | W W 7 2 8 8 0 |
| | | M S T - 2 0 7 V 7 - 0 1 - 7 6 | M S T - 2 0 7 V 7 - 0 1 - 7 6 | M S T - 2 0 7 V 7 - 0 1 - 7 6 | M S T - 2 0 7 V 7 - 0 1 - 7 6 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - +
no_use
IC271 : KIA7805API
Voltage regulator
R1
R2
R3
R4
R5
R6
R7
R8
Z1
Q12
Q13
Q18
Q17
Q14
Q19
Q10
Q8
Q16
INPUT
OUTPUT
COMMON (GND)
Q15
Q11-1 Q11
Q2
Q3
Q4
Q5 Q9
Q7
Q1
Q6
R12
R19
R10
R9
R15
R14
R16
R21
R20
R22 R23 R17
R13
R11
R18
C1
1
3
2
IC273: NJM8065RB1 (TE1)
Dual operational amplifier
OUT
1
OUT
2
–IN
1
+IN
1
+IN
2
-IN
2
–V
CC
+V
CC 1
2
3
4
8
7
6
5
+ – + –
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 (2)
MAIN (3)
MAIN (5)
MAIN (4)
AUDIO 1
(TV)
OPTICAL
AUDIO 2
COAXIAL
AV 1
COAXIAL
to DIGITAL_CB61
Page 100 X4
to DIGITAL_CB62
Page 100 X10
to OPERATION (1)_CB405
Page 103 O16
to MAIN (1)_CB201
Page 105 C11
to MAIN (1)_CB202
Page 105 C14
to MAIN (1)_CB203
Page 105 F16