Yamaha YST-SW012 User Manual download pdf (Page 9)

YST-SW012

9

A

1

2

3

4

5

6

7

BCDEFGH I J

VOLUME

10

0

INPUT

MAIN (3) P.C.B. (Side A)

Circuit No. U, C, T, R, A, L K, B, G

C78 X O

J42 X O

L1 X O

DRIVER

AC IN

MAIN (1) P.C.B.

POWER

MAIN (5) P.C.B.

BE

BE

BE

WH

YE

YE

RE

RE

BR

BR

U, C, A, B, G models

R, T, K, L models

MAIN (7) P.C.B.

MAIN (10) P.C.B.

(Side A)

MAIN (9) P.C.B.

(Side A)

MAIN (2) P.C.B.

WH BE

BE

WH

BE

WH

BE

WH

U, C, A, B, G models

R, T, K, L models

R, T, K, L models

VOLTAGE

SELECTOR

220V-240V110V-120V

RE

RE

RE

RE

BL

RE

RE

BL

BL

WH

SP-

SP+

RE

Ref. no.

Location

D1 J2

D2 H4

D3 I4

D4 H2

D5 H2

D6 G2

D7 F2

D8 C3

D22 G2

D23 G2

• Semiconductor Location

Ref. no.

Location

D24 J3

D25 F3

D28 I3

D29 I3

IC1 H2

IC4 B3

IC5 B2

IC6 G3

Q1 F3

Q2 F3

Ref. no.

Location

Q5 G3

Q6 G3

Q9 H4

Q10 I4

Q17 F3

Q18 F3

Q19 F3

Q20 F3

1

9

19

1

19

10

-V

-15

+15

E

MAIN

-V

-15

+15

E

MAIN

POWER

INDICATOR

(Side A)(Side A)

(Side A)

(Side A)

ON OFF

■ PRINTED CIRCUIT BOARD Lead Free Solder Used

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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