Yamaha RX-V375U, Service Manual

Page: 103 / 138

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
103
OPERATION 2/2
RX-V375/HTR-3066/HTR-2866
★
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.
DIGITAL IN
CENTER
FRONT L
SURROUND L
SUBWOOFER
ANALOG IN
5.0
3.1
3.1
3.1
0
0
0
0
0
0
0
5.0
0
0
0
0
0
0
0
5.0
3.3
0
0
0
2.5
2.5
0
2.5
2.5
2.5
2.5
-12.0
-12.0
0 0 0 0 0 0 0
12.0
0 0
0
5.0
5.0
0
0 0 0 0
0
0
-12.0
12.0
3.1
3.1
3.1
0
0
2.5
0
2.5
0
2.5
0
2.5
0
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
0
2.5
9.4
8.1
12.3
0
3.3
3.3
3.2
0
3.3
5.0
5.0
7.8
0
0
12.0
-30.0
-30.0
0
5.8
-39.0
7.8
0
-12.0
1.7
-39.0
1.4
1.4
19.9 12.0
19.9 5.0
3.3
0
0
0
0
0
3.3
3.3
3.3
8.1
0
-20.1
-12.1
9.9 5.1
3.3 9.4
AC33.0
AC7.7
AC9.6
AC5.9
0
8.1
2.3
9.3
9.4
0.6
0.4
1.1
AC9.1
R E M A R K S
C A P A C I T O R
P A R T S N A M E
N O
N O
M A R K
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
C E R A M I C 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
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
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
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
T A N T A L U M C A P A C I T O R
T U B U L A R C A P A C I T O R C E R A M I C
N O T I C E
U . S . A
G
C A N A D A
E U R O P E
L
C H I N A
A U S T R A L I A
S I N G A P O R E
K O R E A
G E N E R A L
U
C
T
A
K
R
J A P A N
( m o d e l )
B B R I T I S H
J
S O U T H E U R O P E E
V T A I W A N
F R U S S I A N
P L A T I N A M E R I C A
S B R A Z I L
H T H A I
R E S I S T O R
R E M A R K S
N O M A R K
P A R T S N A M E
C A R B O N
C A R B O N
M E T A L
M E T A L
M E T A L
F I R E
C E M E N T
S E M I
F I L M R E S I S T O R
F I L M R E S I S T O R
O X I D E F I L M R E S I S T O R
F I L M R E S I S T O R
P L A T E R E S I S T O R
P R O O F C A R B O N F I L M R E S I S T O R
M O L D E D R E S I S T O R
V A R I A B L E R E S I S T O R
( P = 5 )
( P = 1 0 )
C H I P R E S I S T O R
N_PDET CPU_N_RST
N _ P D E T
C P U _ N _ R S T
T H M 1
T H M 2
THM1 THM2
R1315
22K
J 1 3 0 3
n o _ u s e
2200/25
C1319
R 1 3 1 4
1 0 0
4700/25
C1318
R1306 150K
I C 1 3 5
K I A 7 8 0 5 A P I
O U T
C O M
I N
I C 1 3 3
K I A 7 8 1 2 A P I
O U T
C O M
I N
C B 1 3 2
5 2 1 5 1
R1310
100
I C 1 3 4
K I A 7 9 1 2 P I
O U T
C O M
I N
C1302 47/16
R1308
100
R1309
1M
C1304
0.01(B)
I C 1 3 1
N J M 2 3 8 8 F 3 3
1 2 3 4
R1304
1K
C1301
1/50
P N 1 3 2
R1321
56K
R1324
56K
J 1 3 0 4
n o _ u s e
1/50
C1315
1/50 C1316
1/50
C1313
1/50 C1311
1/50
C1314
1/50
C1310
Q 1 3 0 4
KRC104S-RTK/P
R 1 3 1 9
n o _ u s e
C 1 3 0 9
1 0 / 1 6
I C 1 3 2
K I A 7 8 0 5 A P I
O U T
C O M
I N
C1312
1/50
C1306
0.1/16
J 1 3 0 2
J 1 3 0 1
n o _ u s e
D1509
KDS160-RTK/P
R1505
s153
R1504
s154 C1503
s163
1T2A1
D1506
D1508
KDS160-RTK/P
C B 1 5 3
D 1 5 0 5
s 1 6 4
J 1 5 0 2
s 1 5 7
R1507
s160
R1506
s152
J 1 5 0 1
s 1 5 7
1T2A1
D1503
R 1 5 0 8
s 1 6 2
1T2A1
D1507
V H I S
C B 1 5 5
1T2A1
D1504
R1509
s161
V H I S
C B 1 5 4
C B 1 5 2
C B 1 5 1
5 1 0 4 8
C B 1 9 5
5 3 2 9 0 - 1 8 8 0
C B 1 9 6
5 3 2 9 0 - 1 8 8 0
C B 1 9 4
5 2 0 4 5
4 4 0 2 5 3 9 1 B C
C B 1 9 1
5 2 4 1 8
C B 1 9 2
5 2 4 1 8
R130
3
100K
R1312
27K
R1502
820
R1503
15
W 1 5 0 1
S T 1 9 1
S T 1 5 1
C B 1 3 4
5 2 1 5 1
.
J 1 9 0 1
C1320
10000/16
C B 1 3 5
X H L
R1325
2.2
C1507
0.01/250
Q 1 3 0 2
K T C 3 8 7 5 S - Y , G R - R
P N 1 3 1
R132
0
no_use
C130
5
0.1/50(F
)
R1301
43K
R130
2
43K
R 1 3 0 5
1 5 K
R1317
18K
R1318 no_use
D 1 3 0 1
R B 5 0 1 V - 4 0
R 1 3 2 3
1 P 0 . 4 7
C1322
0.1
C132
3
0.1
C131
7
4700/1
6
R 1 3 2 2
1 P 0 . 2 2
C B 1 3 6
5 2 1 4 7
R1326
1.0K
I C 1 3 6
L M 1 9 C I Z / L F T 4
V C C
G N D
O U T
I C 1 3 7
s 1 3 1
V C C
G N D
O U T
C1329 s132 C1328
0.1/16
C1501
s151
C1506
s166
C1505
s166
100
R1311
R1313
330
C1307 47/16
R 1 3 1 6
1 / 2 P 4 7
C1303 47/16
C B 1 3 1
5 1 0 4 8
C1308 10/50
W 1 3 0 1
D1501
UDZV4.7B
D1510
UDZV4.7B
D1306
1SS355VM
D1303
1SS355VM
D 1 3 0 5
1 S S 3 5 5 V M
D1310
no_use
D 1 3 1 3
1 S S 3 5 5 V M
D 1 3 1 1
n o _ u s e
D 1 3 1 4
1 S S 3 5 5 V M
D 1 3 1 2
n o _ u s e
Q 1 3 0 3
K T C 3 1 9 8 ( Y )
Q 1 5 0 1
KTC3198(Y)
R1330
39
R1329
47
C1325
0.33/16
J 1 9 0 2
n o _ u s e
C1326
no_use
C1502
0.01/100
DLS9D1-O(M)0.25
RY151
D L S 9 D 1 - O ( M ) 0 . 2 5
RY151
C1504
s165
R1307
15K
D1302
UDZV5.6B
0
J1346
P N 1 9 1
n o _ u s e
F 1 5 0 1
s 1 6 8
G 1 3 0 1 T P 0 0 3 8 5
Q1502
s155
Q1504
s155
D1502
s158
D1304
UDZV5.6B
Q 1 3 0 1
D T C 0 4 4 E U B T L
D1309
RS203M-B-C-J80
D1308
RS203M-B-C-J80
Q 1 5 0 5
D T C 0 1 4 E U B T L
s 1 5 9
Q1503
s156
T 1 5 0 1
s 1 6 7
R 1 5 0 1
6 8 0
D1307
R S 4 0 3 M - B - C - J 8 0
C1330
0.01(B)
N_RESET
N_PDET
A C 5
A C 4
A C 3
+ 1 2 A
M G N D
- V P
+ 1 2
to MAIN(1)
- 1 2 A
to DIGITAL
A G N D
A C 6
+ 5
S 9
A C 4
A C 5
- 1 2
A C 2
A C 6
from OPE(3)
- V P
+ 3 . 3
A C D E T
A C 3
A C 2
P W R _ R Y
E
S 9
+ 5 . 5
A C D E T
2 M H T 1 M H T
P W R _ R Y
M G N D
+ 3 . 3 M
+ 5 A
N _ P D E T
C P U _ N _ R S T
A G N D
D G N D
T H M 1
T H M 2
+ 7 D
P S _ P R T
P W R _ R Y
M G N D
S 9
A C D E T
N C
D G N D
C V B S _ O N
A V 4 _ D
D A _ S R
5 V S E L 2
N C
D A _ F L
5 V S E L 1
N C
C P N T _ O N
D A _ F R
N C
A G N D
+ 5 A
D A _ S W
A V 3 _ D
A D R
A G N D
D G N D
F _ M T
A V 2 _ D
D A _ S L
N C
A D L
A G N D
A V 1 _ D
C _ M T
S _ M T
D A _ C
+ 5 D
D G N D
5 V S E L 3
CVBS_ON
7 1 9 4
-12A AGND 5VSEL1
3
AGND
5
CPNT_ON +5A
13
VAUXE
8 6 2
12 10
VAUX
11
3
4
1 4
1 0
3
7
1 6
9
8
2
6
1
1 2
1 1
1 2
1
1 5
7
2
1 6
1 7
1 3
6
1 8
1 1
9
1 5
4
1 0
1 7
5
1 3
8
1 4
5
VAUX
MIC
AUXE AUXL AUXR AGND +12A -12A
VAUXE
1 8
to MAIN(1)
to DIGITAL
A V 2 _ D
A G N D
M I C
A D L
A G N D
A V 3 _ D
D G N D
A V 1 _ D
A G N D
A D R
A U X L
A V 4 _ D
D G N D
A G N D
+ 5 D
A G N D
A U X R
A G N D
D A _ S R
D A _ F L
S _ M T
F _ M T
D A _ F R
C _ M T
A U X E
A G N D
D A _ S W
+ 1 2 A
- 1 2 A
A G N D
A G N D
D A _ S L
D A _ C
W R 2 6 1 2 0
W R 2 6 1 2 0
N C
T R A N S F O R M E R
+ 3 . 3 M
+ 5 . 5 U
U G N D
from OPE(1)
O P E ( 3 )
1 5 0 1 - 1 6 0 0
S u b t r a n c e
1 5 1 - 1 6 0
O P E ( 2 )
1 3 0 1 - 1 5 0 0
P O W E R
1 3 1 - 1 5 0
O P E ( 4 )
1 9 0 1 - 1 9 9 9
C O N N E C T
1 9 1 - 1 9 9
5VSEL2 5VSEL3
t o M A I N ( 2 )
t o O P E ( 1 )
1 2 p i n
+ 5 T
+ 5 T
A G N D
A G N D
A G N D A G N D
A G N D
VAUX VAUXE
J _ N _ D E S T
n o _ u s e
* d e s t K A B G L F H o f H T R - 2 8 6 6 S Z i s t h e s a m e a s
d e s t T o f R X - V 3 7 5 S Z / H T R - 3 0 6 6 S Z ( P C B N o . Z F 3 3 8 5 0 ) .
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 | C | R S |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 3 1 | I C 1 3 7 | Y A 3 8 1 A 0 | X |
| | | L M 1 9 C I Z / L F T 4 | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 3 2 | C 1 3 2 9 | U S 0 3 5 1 0 | X |
| | | 0 . 1 / 1 6 | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 1 | C 1 5 0 1 | U R 7 4 9 2 2 | U R 7 5 9 2 2 |
| | | 2 2 0 0 / 2 5 | 2 2 0 0 / 3 5 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 2 | R 1 5 0 6 | X | R D 3 5 6 4 7 |
| | | | 4 . 7 K |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 3 | R 1 5 0 5 | X | R D 3 5 7 2 2 |
| | | | 2 2 K |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 4 | R 1 5 0 4 | X | R D 3 5 6 1 0 |
| | | | 1 K |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 5 | Q 1 5 0 2 | X | W B 2 2 8 7 0 |
| | Q 1 5 0 4 | | K T A 1 2 6 6 ( Y ) |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 6 | Q 1 5 0 3 | X | V P 8 7 2 6 0 |
| | | | A 1 7 0 8 ( S / T ) |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 7 | J 1 5 0 1 | V N 5 0 0 0 0 | X |
| | J 1 5 0 2 | . | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 8 | D 1 5 0 2 | X | W Y 1 6 3 1 0 |
| | | | U D Z V 4 . 7 B |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 5 9 | Q 1 5 0 5 | X | W W 7 8 2 1 0 |
| | | | D T C 0 1 4 E U B T L |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 0 | R 1 5 0 7 | X | R D 3 5 7 4 7 |
| | | | 4 7 K |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 1 | R 1 5 0 9 | X | R D 3 5 8 1 0 |
| | | | 1 0 0 K |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 2 | R 1 5 0 8 | X | V C 7 5 7 9 0 |
| | | | 2 P 4 7 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 3 | C 1 5 0 3 | X | U R 8 9 7 1 0 |
| | | | 1 0 / 1 0 0 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 4 | D 1 5 0 5 | X | V S 9 9 7 8 0 |
| | | | 1 T 2 A 1 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 5 | C 1 5 0 4 | W J 6 1 0 2 0 | X |
| | | 0 . 0 1 / 1 0 0 | |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 6 | C 1 5 0 5 | X | W J 6 1 0 2 0 |
| | C 1 5 0 6 | | 0 . 0 1 / 1 0 0 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 7 | T 1 5 0 1 | X 8 5 2 1 A 0 | X 8 5 2 2 A 0 |
| | | X 8 5 2 1 | X 8 5 2 2 |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
| s 1 6 8 | F 1 5 0 1 | W B 2 2 1 2 0 | W M 9 3 3 1 0 |
| | | 6 . 0 0 A 1 2 5 V | T S D 5 . 0 A 2 5 0 V |
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
V N 5 0 0 0 0 |
. |
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
W J 6 1 0 2 0 |
0 . 0 1 / 1 0 0 |
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X 8 5 2 3 A 0 |
X 8 5 2 3 |
- - - - - - - - - - - - - - - +
V V 0 7 1 7 0 |
3 . 1 5 A 2 5 0 V |
- - - - - - - - - - - - - - - +
- - - - - - - - - - - - - - - +
K A B G L F H |
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
U R 7 4 9 2 2 |
2 2 0 0 / 2 5 |
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
X |
|
- - - - - - - - - - - - - - - +
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
IC133 : KIA7812API
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
COMMON (GND)
IC134 : KIA7912PI
Voltage regulator
Q28 Q17
Q18
Q19
Q20
Q31
Q23
Q21
Q22 Q24
Q25
Q26 Q27
Q10
Q11
Q14
Q15
Q16
Q27-1
Q26-1
Q12 Q13
Q8
Q9
Q2
Q7
Q4
Q5
Q6
Q3
Q29
Q30
R0
R1
R2
R14
R17
R19
R20
R21
R22
R23
R24
R25
R26
R3
R4 R5 R6
R10
R11
R12 R13
D4
R9
R7
R8
C2 C1
R16
R15 R18
1
OUTPUT
INPUT
3
2
IC131 : NJM2388F33
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN 1
4
3
Cont
GND
V
OUT
Over Current
Protection Thermal
Protection
2
IC135 : KIA7805API
Voltage regulator
OPERATION (3)
AC IN
POWER
TRANSFORMER
OPERATION (4)
OPERATION (2)
5 k-ohms
10 W
to DIGITAL_CB262
Page 98 A8
to DIGITAL_CB264
Page 98 L5
to MAIN (1)_CB21
Page 105 E1
to MAIN (1)_CB22
Page 105 F1
to OPERATION (1)_CB104
Page 102 J9
to DIGITAL_CB263
Page 98 L2
to MAIN (1)_CB2
Page 104 M6
to POWER TRANSFORMER
to OPERATION (1)_CB102
Page 102 J3
to MAIN (2)_CB41
Page 106 F2
Safety measures
t4PNFJOUFSOBMQBSUTJOUIJTQSPEVDUDPOUBJOIJHIWPMUBHFTBOEBSFEBOHFSPVT#FTVSFUPUBLFTBGFUZNFBTVSFTEVSJOHTFSWJDJOHTVDIBTXFBSJOHJOTVMBUJOHHMPWFT
t/PUFUIBUUIFDBQBDJUPSTJOEJDBUFECFMPXBSFEBOHFSPVTFWFOBGUFSUIFQPXFSJTUVSOFEPGGCFDBVTFBOFMFDUSJDDIBSHFSFNBJOTBOEBIJHIWPMUBHFDPOUJOVFTUPFYJTUUIFSF
#FGPSFTUBSUJOHBOZSFQBJSXPSLDPOOFDUBEJTDIBSHJOHSFTJTUPS LPINT8UPUIFUFSNJOBMTPGFBDIDBQBDJUPSJOEJDBUFECFMPXUPEJTDIBSHFFMFDUSJDJUZ
5IFUJNFSFRVJSFEGPSEJTDIBSHJOHJTBCPVUTFDPOETQFSFBDI
$PO01&3"5*0/ 1$#
R, S models
HTR-2866