Yamaha A-S301, Service Manual

Page: 69 / 91

A
1
2
3
4
5
6
7
8
9
10
K J I H G F E D C B L N M
69
A-S501/A-S301
D
1
8
U
D
Z
V
3
0
B
R
2
5
s
1
7
R
3
7
2
2
K
R
3
8
2
2
K
CB26
no_use
D
2
1
UDZV8.2B
D
2
0
UDZV8.2B
CB14
XHI
W10
SAN-PH
D
2
2
n
o
_
u
s
e
D23
s10
R35
no_use
R
3
6
n
o
_
u
s
e
R
4
2
n
o
_
u
s
e
R
4
1
n
o
_
u
s
e
R
3
3
1
0
0
R
3
2
1
0
0
CU RX-V1600ML
ST5
CU RX-V1600ML
ST1
J9
no_use
CB12
XHI
CB11
C
B
2
5
no_use
D14
RS203M-B-C-J80
R
3
4
n
o
_
u
s
e
C
3
5
s
2
8
Q
7
2
S
B
1
2
5
7
J2
C
4
2
n
o
_
u
s
e
R40
s11
C
3
6
s
2
8
R
3
1
n
o
_
u
s
e
D
1
9
U
D
Z
V
3
0
B
C
3
4
n
o
_
u
s
e
R
2
9
1
0
K
C
3
9
n
o
_
u
s
e
R
3
0
1
0
K
CB19
no_use
R
2
7
3
6
K
HS1
@partN
B
P
U
G
5
6
2
5
P
5
-
2
H
1
9
1 2
R
2
8
3
6
K
C
4
1
n
o
_
u
s
e
Q4
A
1
1
6
2
-
Y
(
T
E
8
5
R
,
F
C
3
8
s
3
0
Q5
C
2
7
1
2
-
Y
(
T
E
8
5
R
,
F
C
3
3
n
o
_
u
s
e
Q8
no_use
C
3
1
s
1
4
J7
no_use
R
2
6
s
1
7
C
3
7
s
3
0
C
2
9
0.01/100
s
2
0
Q
6
2
S
D
2
0
1
4
C
3
0
0.01/100
s
2
0
CB13
PHI
C
3
2
s
1
4
J8
no_use
HPR
PRV
White
R
to PHONO/CD_PCB
to CPU PWB
+7V
E
-8.2V
AGND_TRG
E
to MAIN_PWB
HPL
Purple
-VP_UNREG
-7V
AGND_SENC
+VP E
8.2V
HPR
3
.
1
5
m
A
+VP_UNREG
+7V
AGND_RTN
50mW
+7UNREG
HPL
PRV
-7UNREG
Purple
E
+12V_TRG
-7V
NC
Gray
Gray
Gray
Gray
P O W _ S U P Y
HP_DET
HP_DET
E
E
-VP_UNREG
PRV
Destination Part List
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| sxx | LOCATION | J | U | R | TA | B | G | L |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s10 | D23 | X | X | WY16500 | X | X | X | X |
| | | | | UDZV30B | | | | |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s11 | R40 | X | X | RD35710 | X | X | X | X |
| | | | | 10K | | | | |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s14 | C31 | UR05947 | UR059 22 | UR05922 | UR05922 | UR05947 | UR05947 | UR05922 |
| | C32 | 4700/35 | 2200/ 35 | 2200/35 | 2200/35 | 4700/35 | 4700/35 | 2200/35 |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s17 | R25 | RF35782 | RD357 82 | RD35782 | RD35782 | RF35782 | RF35782 | RD35782 |
| | R26 | 82K | 82K | 82K | 82K | 82K | 82K | 82K |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s20 | C29 | WE10290 | ZD520 00 | ZD52000 | ZD52000 | WE10290 | WE10290 | ZD52000 |
| | C30 | 0.01/100 | 0.01/1 00 | 0.01/100 | 0.01/100 | 0.01/100 | 0.01/100 | 0.01/100 |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s28 | C35 | UR06710 | UR267 10 | UR26710 | UR26710 | WM09820 | UR06710 | UR26710 |
| | C36 | 10/50 | 10/5 0 | 10/50 | 10/50 | 10/50 | 10/50 | 10/50 |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
| s30 | C37 | UR04847 | UR048 33 | UR04833 | UR04833 | UR04847 | UR04847 | UR04833 |
| | C38 | 470/25 | 330/2 5 | 330/25 | 330/25 | 470/25 | 470/25 | 330/25 |
+--------+---------------+---------------+--------- ------+---------------+---------------+------------ ---+---------------+---------------+
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
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
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
MAIN (2)
Page 64 L5
to OPERATION (5)_CB706
to POWER TRANSFORMER
Page 66 I2
to MAIN (1)_W104
Page 62 K8
to FUNCTION (1)_W502
36.5
18.3
24.5
45.3
15.2
8.3 8.3
8.3V
8.3V
7.1V 24.5
-15.1
-45.2
-15.8
-8.3
-8.3
2.9
-8.3V
-24.6
-7.1
-24.6
18.3
18.3
44.7
0
-44.7
24.0
24.2
2.9
0.0
0.0
0.0
MAIN 2/2
Details of colored lines
Red / full line: Power supply (+)
Red / dashed line: Power supply ( ‑ )
Orange: S ignal detect
Y ellow: Clock
G reen: Protection detect
B rown: Reset signal
B lue: 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.
★
Schematic 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。
A-S301