Yamaha YST-SW216, Service Manual

YST-SW216

9

A

1

2

3

4

5

6

7

B

C

D

E

F

G

H

I

J

C91

VOLUME

INPUT 2

OUTPUT

TO SPEAKERS

INPUT 1

FROM AMPLIFIER

MAIN (2) P.C.B.

(Side A)

DRIVER

AC IN

MAIN (1) P.C.B.

MAIN (5) P.C.B.

BE

BE

BE

WH

YE

YE

RE

RE

BR

BR

U, C, A, B, G models

R, L models

MAIN (7) P.C.B.

MAIN (10) P.C.B.

(Side A)

MAIN (9) P.C.B.

(Side A)

MAIN (3) P.C.B.

WH

BE

WH

BE

WH

BE

BE

WH

U, C, A, B, G models

R, L models

R, L models

V

O

LTA

G

E

SELECT

OR

RE

RE

RE

RE

BL

BL

RE

SP+

SP-

WH

1

9

1

9

1

1

9

10

-V

-15 +15

E

MAIN

-V

-15

+15

E

MAIN

HIGH

CUT

HIGH

LOW

(Side A)

(Side A)

(Side A)

MAIN (6) P.C.B.

(Side A)

(Side A)

/

R

+

-

-

+

L

L /MONO /  R

Power

Transformer

Power

Transformer

Circuit No.

U, C, R, A, L

B, G

C79

X

O

C91

X

O

Ref. no. Location
D1

J2

D2

H4

D3

I4

D4

H2

D5

H2

D6

G2

D7

F2

D8

E3

D22

G2

D23

G2

• Semiconductor Location

Ref. no. Location
D24

J3

D25

F3

D28

I3

D29

I3

IC1

H2

IC4

B3

IC5

D3

IC6

G3

Q1

F3

Q2

F3

Ref. no. Location
Q5

G3

Q6

G3

Q9

H4

Q10

H4

Q17

F3

Q18

F3

Q19

F3

Q20

F3

POWER

INDICATOR

10

0

POWER

220V

-240V

110V

-120V

ON OFF

■

PRINTED CIRCUIT BOARD

     Lead Free Solder Used

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

9

9

2

8

9

4

2

9

8

T E L

1 3 9 4 2 2 9 6 5 1 3

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

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