Yamaha AX-497 Servise Manual - Page 20

Browse online or download pdf Servise Manual for Amplifier Yamaha AX-497. Yamaha AX-497 36 pages. Stereo amplifier
Also for Yamaha AX-497: Owner's Manual (23 pages), Owner's Manual (24 pages)

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Yamaha AX-497 Servise Manual
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