Yamaha A-S301, Service Manual

Page: 65 / 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
65
A-S501/A-S301
P
P
1
2
100V
A-S701 WQ21110
(Except RL Destination)
S1NB60=DB105
7.0S
8A125V
WQ21110
(Except RL Dest.)
200V
A-S301
S1
8A125V
PDET
J :YC771
R :YC773
T :YD161
Caution
PRY
BG:YC774
UC:YC772
T4AL250V
iPod +7V
POWER(4)
VV07160
+7I
8A125V
VV07180
A :YC774
L :YD161
Pri
HOT
WB22120
IGND
WQ21110 T4AL250V
A-S501
MAIN Transformer
WH47170
WH
BE
VV07180
450mm
T4AL250V
S3
A-S801
S2
S4
6A125V
i P o d
N_RST
VV07180
MG
PWR_DET
WH
+5M
P R I M A R Y
to CPU_PCB
0V
WH
T2.5AL250V
V475680
/RES
+ (External Power DC5V)
-
P
4 3 2 1
5 8
1
1
P
P
R
1
3
1
/
2
P
2
.
2
K
C
2
3
4
.
7
/
1
6
R
4
4
7
K
C
B
1
6
V
H
I
S
J
6
n
o
_
u
s
e
R
9
1
M
C13
0.01/100
C
1
7
n
o
_
u
s
e
I
C
4
H
E
F
4
0
1
3
B
P
1
2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
C
1
6
n
o
_
u
s
e
R12
s23
R
1
1
0
0
K
R
1
9
n
o
_
u
s
e
W1A
no_use
CB4
VHIS
C
1
4
s
1
4
C
1
8
4
7
0
0
/
1
6
C
2
4
4
.
7
/
1
6
C
5
2
.
2
/
5
0
W1B
no_use
CB17
PHI
R15
220K
C
1
1
0
/
1
6
R
2
0
4
7
K
R18
1P0.47
J
4
R
1
7
2
2
0
K
J
5
n
o
_
u
s
e
C4
2.2/50
C
3
n
o
_
u
s
e
R
6
1
0
0
K
C
B
3 no_use
CB21
XHI
Q2
KTC3875S-Y,GR-R
TP00351-31
CB6
R5
100
C
8
1
/
5
0
Q9
s22
R
1
1
1
0
0
R2
2.2K
R
8
1
0
0
C
1
2
s
1
3
Q1
KRC104S-RTK/P
R14
1M
CB7
D
2
4
D
B
1
0
5
1
4
2
3
C
2
4
7
0
/
1
6
R
1
6
2
.
4
K
Q
3
K
T
C
3
8
7
5
S
-
Y
,
G
R
-
R
R
1
0
8
2
K
IC2
EL816(B)
IC3
EL816(B)
D
1
3
D
B
1
0
5
1
4
2
3
R
7
1
0
0
CB2
PHI
DLS5D1-O(M)0.25
RY1
ST3
R
Y
1
D
L
S
5
D
1
-
O
(
M
)
0
.
2
5
ST2
J
1
1
J
9
n
o
_
u
s
e
@value
J10
s21
J
3
n
o
_
u
s
e
@
v
a
l
u
e
J
1
2
D2
1SS355VM
D11
1SS355VM
D5
1SS355VM
D
2
7
n
o
_
u
s
e
D
2
5
n
o
_
u
s
e
D
6
1
S
S
3
5
5
V
M
D
4
1
S
S
3
5
5
V
M
D
1
1
S
S
3
5
5
V
M
D
7
1
S
S
3
5
5
V
M
D
8
1
S
S
3
5
5
V
M
D
3
1
S
S
3
5
5
V
M
D
1
2
U
D
Z
V
5
.
6
B
D
1
0
U
D
Z
V
1
0
B
D
9
U
D
Z
V
6
.
8
B
R
3
3
9
Q10
C
9
4
7
0
0
P
/
1
0
0
C11
0.01/250
D
1
5
U
D
Z
V
1
5
B
s
1
7
R45
2.2
s25
TE2
no_use
R1190H050B-T1-F
IC1
1
VOUT
2
GND
3
CE
4 DELAY
5 VDD
D
2
6
D4SBN20-7101
1
4
2
3
C
6
s
3
4
C
1
5
s
3
5
T
1
Y
C
7
7
2
s
2
9
C
7
s
1
1
C
1
0
s
1
2
F1
8A125V(A-S501)
s28
CB22
no_use
PN1
6.00A125V(A-S301)
Destination Part List
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| sxx | LOCATION | J | U | R | TL |K(A-S301 only),ABG|
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s11 | C7 | WJ36120 | WJ 36120 | WF08150 | WF08150 | WF08150 |
| | | 0.047/400 | 0.0 47/400 | 0.047/630 | 0.047/630 | 0.047/630 |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s12 | C10 | WB69630 | WB 69630 | WF08150 | WF08150 | WF08150 |
| | | 0.1/400 | 0. 1/400 | 0.047/630 | 0.047/630 | 0.047/630 |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s13 | C12 | X | X | WD04730 | X | X |
| | | | | 3300/50 | | |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s14 | C14 | UU24933 | UU 24933 | X | UU24933 | UU24933 |
| | | 3300/25 | 33 00/25 | | 3300/25 | 3300/25 |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s17 | D15 | X | X | WY16430 | X | X |
| | | | | UDZV15B | | |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s21 | J10 | VN50000 | VN 50000 | X | VN50000 | VN50000 |
| | | - | - | | - | - |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s22 | Q9 | WC52940 | WC 52940 | X | WC52940 | WC52940 |
| | | KTC3875S-Y,GR-R | KTC387 5S-Y,GR-R | | KTC3875S-Y,GR-R | KTC 3875S-Y,GR-R |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s23 | R12 | RD35747 | RD 35747 | X | RD35747 | RD35747 |
| | | 47K | 47K | | 47K | 47K |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s25 | R45 | X | X | WW86130 | X | X |
| | | | | 2.2 | | |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s28 | F1 | WB22120 | WB 22120 | WB22120 | VV07160 | VV07160 |
| | |6.00A125V(A-S301)|6.00A125V(A-S301)|6.00A125V(A-S301)|6.00A125V(A-S301)|6.00A125V(A-S301)|
| | | 8A125V(A-S501) | 8A125V(A-S501) | 8A125V(A-S501) | 4A250V(A-S501) | 4A250V(A-S501) |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s29 | T1 | YC771A0 | YC 772A0 | YC773A0 | YD161A0 | YC774A0 |
| | | YC771 | YC772 | YC773 | YD161 | YC774 |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s34 | C6 | WE10290 | ZD 52000 | ZD52000 | ZD52000 | WE10290 |
| | | 0.01/100 | 0.0 1/100 | 0.01/100 | 0.01/100 | 0.01/100 |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
| s35 | C15 | WE10170 | ZD 51880 | ZD51880 | ZD51880 | WE10170 |
| | | 1000P/100 | 100 0P/100 | 1000P/100 | 1000P/100 | 1000P/100 |
+--------+---------------+-----------------+------- ----------+-----------------+-----------------+---- -------------+
IC1 : R1190H050B-T1-FE
Voltage regulator
V DD
CE
Pin No.
1
2
3
5
Symbol
V OUT
GND
CE
V DD
Description
Output Pin
Ground Pin
Chip Enable Pin ("H" Active)
4 DELAY Delay Pin (for setting Inrush Current Limit Time)
Input Pin
Vref
Thermal Protection
Inrush
Current
Limit Peak
Current
Protection
Short
Protection
V OUT
GND
DELAY
POWER
TRANSFORMER
SUB-
TRANSFORMER
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
OPERATION (8)
to AC IN
Page 62 J8
to FUNCTION (1)_W503
Page 62 B8
to DIGITAL_W301
to POWER TRANSFORMER
4 87
4 88
9 70
8 28
AC 4 43
9 86
4 66
4 50
9.15 4.98 4.98
4 66
0 796
0 13
6 87
4 54
0 14
0 14
0 063
0 067
9 15
104.73
103 00
104 70
105 13
102 69
104 90
104 00
104 88
104 81
105 07
104 12
104 96
107 30
66 40
6 36
9 18
78 20
232 0
104 88
107 48
107 14
107 14
102 70
51 70
3 53
0 051
0 65
6 01
4 52
4 52
0 0046
4 93
4 51
4 98
0 0047
OPERATION 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-S501 A-S301