Yamaha YST-MS30, Service Manual

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2
3
4
5
6
YST-MS30/YST-MS35D
A B C D E F G H
YST-MS30 YST-MS35D
16
■
PRINTED CIRCUIT BOARD (Foil side)
17
OL
OR
SWI
VCC
E
BIAS
LSP+
RSP+
PSW1
OL OR SWI VCC E BIAS LSP+ RSP+ PSW1
+B
E
E Rch Lch E
E
Rch
Lch
E
E
VDD
VDD E
RE
RE
W202
RE
RE
W201
VOLUME
1
INPUT
USB
INPUT
TO RIGHT
SPEAKER TO LEFT
SPEAKER BASS
DC 15V
2
INPUT
JK5 JK3 JK4
To
Satellite
Speaker
Unit (Right)
To
Satellite
Speaker
Unit (Left)
From
Subwoofer
JK5
From
AC
adaptor
W6
WH
W6
WH
W7
W1
W2
RE RE
W5
RE
W5
RE
+
–
SUBWOOFER
SATELLITE
Rch
W4
RE
W3
WH
PSW VCC OL IL E2 IR OR RSP+ RSPG
BL GR OR VI RE BR WH or
YE
BE
P.C.B. AMP(1)
P.C.B. AMP(4)
P.C.B. AMP(3)
P.C.B. AMP(2)
YST-MS35D
only
+
–
Satellite Speaker Unit (Right)
From
Subwoofer
JK3
SATELLITE
Lch
+
–
Satellite Speaker Unit (Left)
• Satellite Speakers • Subwoofer
R
L
1
4
2
3
1 3 2 5
4 6 7 8
9
IC7, 8 : uPC4570HA IC6 : uPC4570HA
UDA1321PS/N201
IC202 : M24C02-W-BN6
IC1, 3 : uPC4570HA
IC5 :
NJM78L06A
TDA7370BV
IC2 : uPC4570HA
● Semiconductor Location
Ref. No.
D2
D3
D4
D5
D6
D7
D201
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC201
IC202
Q1
Q2
Q3
Q4
Q5
Q6
Q201
Location
D5
C1
D2
C2
C2
C2
C3
C5
E1
C5
D2
D5
D2
C2
C2
C3
C3
G2
G2
D5
C1
D1
C1
C4