Yamaha A-S500 Service Manual page 58

A B C
A-S500/A-S300
MAIN 2/2
1
2
CB11
3
W10
0
Page 55 K2
0
to OPERATION (8)_CB706
0
4
CB12
5
to POWER TRANSFORMER 0
0
0
AC33.4
6
7
8
MAIN (6)
9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
58
D E F
21.9
0 0
-21.8
G H I
21.9
15.5
27.8
38.2
27.0 16.7
27.0
16.7
0
0
-16.6
-17.0
-16.6
-27.0
-27.4
-38.2
-21.8
-15.4
J K L
CB26
CB13
38.2
0
-38.2
21.9
-21.8
Page 57 I2
2.9 to MAIN (1)_W104
0
0
0
CB19
CB14
15.5
0
-15.4
Page 53 K8
2.9
to FUNCTION (1)_W502
M N