Yamaha A-S2000 Service Manual - Page 58
(12), Side A, R, L models
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A B C A-S2000 1 FRONT (12) P.C.B. (Side A) BALANCE (CB59) 2 CB59 RY_SPA RY_SPB -12V W101A MAIN (1) (CB64) BLACK RSP_N BROWN RSP_P W101B 3 4 FRONT (12) P.C.B. (Side B) 5 - - A SPEAKER TERMINAL B 6 R + + 7 58 D E F G H I J FRONT (13) P.C.B. (Side A) CB79 BROWN LSP_P BLACK LSP_N MAIN (2) (CB84) W201B W201A FRONT (14) P.C.B. (Side A) R, L models VOLTAGE SELECTOR W12D W12F W8B 230-240V 220V 110V 120V 1-2, 5-6 2-3, 6-7 3-4, 7-8 4-5, 8-1 W12C W12B W12A CB8 W12E W8A W12G CB7 FUNCTION (3) (CB2) RY_SPA RY_SPB -12V FUNCTION (3) (W4) FRONT (13) P.C.B. (Side B) POWER TRANSFORMER FRONT (14) P.C.B. (Side B) R, L models • Semiconductor Location Ref no. Location D122 A6 D123 C6 + + A SPEAKER TERMINAL B L - -
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2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
A-S2000
6
58
CB59
W101A
W101B
CB79
CB8
CB7
W12A
W12B
W12C
W12D
W12F
W8B
W12E
W12G
W8A
W201B
W201A
(Side A)
FRONT (12) P.C.B.
(Side A)
FRONT (13) P.C.B.
(Side A)
R, L models
FRONT (14) P.C.B.
(Side B)
FRONT (12) P.C.B.
(Side B)
FRONT (13) P.C.B.
(Side B)
R, L models
FRONT (14) P.C.B.
RY_SPA
RY_SPB
-12V
-12V
RY_SPB
RY_SPA
BLACK
RSP_N
BLACK
LSP_N
BROWN
LSP_P
BROWN
RSP_P
BALANCE
(CB59)
MAIN (1)
(CB64)
MAIN (2)
(CB84)
FUNCTION (3)
(W4)
FUNCTION (3)
(CB2)
POWER TRANSFORMER
VOLTAGE
SELECTOR
230-240V
220V
110V
120V
1-2, 5-6
2-3, 6-7
3-4, 7-8
4-5, 8-1
SPEAKER TERMINAL
R
-
A
+
-
B
+
SPEAKER TERMINAL
L
+
A
-
+
B
-
•
Semiconductor Location
D122
A6
D123
C6
Ref no.
Location