Yamaha AX-497 Servise Manual page 19

A
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD (Foil side)
1
MAIN (3) P.C.B.
(Side A)
MAIN (1) P.C.B.
(Side A)
2
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
FUNCTION (6)
CB532
4
5
w w w
.
6
B C
Lead Free Solder Used
Q24A
Q23A
FUNCTION (7)
CB581
x a o
y
i
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D E
8
FUNCTION (1)
CB306
Q24C
Q Q
3 7 6 3
MAIN (2)
CB151
Q23C
u 1 6 3
MAIN (1)
Circuit No. R, T, K, A, B, G, E, L U, C, J
.
C48–55 O X
R98, 99 O X
X: NOT USED
O: USED/APPLICABLE
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F
2 4
9 9 8
1 5 1 5 0 8 9 2 4
m
c o
POWER TRANSFORMER
G H
AX-497
2
9 9
SPEAKERS
A
B
R
9 8 2 9 9
L
IMPEDANCE
SELECTOR
19