Yamaha AX-497 Panduan Servis - Halaman 20

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Halaman Cetak
Yamaha AX-497 Panduan Servis
A
B
AX-497
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD (Foil side)
1
FUNCTION (12)
2
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
MAIN (2)
Circuit No.
J
F151
X
R152, 153
X
C151, 152
X
Q152, 153
X
D152
X
CB152, 153
X
J151
O
J152
O
4
X: NOT USED
O: USED/APPLICABLE
5
w w w
20
6
C
Lead Free Solder Used
MAIN (2) P.C.B.
(Side A)
CB681
POWER CABLE
MAIN (1)
CB2
POWER TRANSFORMER (U, C, T, K, A, B, G, E, J)
or MAIN (4)
(R, L)
W211
U, C
R
T
K
A
B
G, E
O
X
X
X
X
X
O
X
O
X
X
X
X
X
X
O
X
X
X
X
X
X
O
X
X
X
X
X
X
O
X
X
X
X
X
O
X
X
X
X
X
O
O
X
O
O
O
O
O
X
O
O
O
O
O
X
MAIN (5) P.C.B.
(Side A)
FUNCTION (1)
W301
x
a o
.
i
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D
E
R, L models
Q
Q
3
7
L
X
X
X
X
X
X
O
O
MAIN (6) P.C.B.
(Side A)
FUNCTION (1)
W301
u 1 6 3
y
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F
2
4
8
9
9
MAIN (4) P.C.B.
(Side A)
MAIN (4)
Circuit No.
MAIN (2)
CB213, 214
CB154
X: NOT USED
O: USED/APPLICABLE
POWER TRANSFORMER
VOLTAGE SELECTOR
SW211
240V
1 2/5 6
220V
2 3/6 7
110V
3 4/7 8
120V
4 5/8 1
6
3
1
5
1
5
0
8
9
m
c o
.
G
H
2
8
9
9
R
L
F211
O
X
O
X
J211–213
O
O
J214
X
O
2
4
9
8
2
9
9