Yamaha AS1000 - Amplifier, Service Manual

Page: 55 / 85

CB301
IC301
IC301
IC302
IC304
IC304
IC302
IC303
IC303
CB305
W3004
W3002
W3005
W3001
W3007
W3003
W3006
CB302
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
A-S1000
55
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
FUNCTION 1/3
SCHEMATIC DIAGRAMS
11.9
-12.1
-12.1
-12.1
-12.1
-12.1
-12.1
0
0
-12.0
0
0
-12.0
0
0
0
0
0
-12.4
0
12.5
0
0
0
0
0
0
12.5
-12.4
0
0
0
-12.4
0
0
0
12.5
0
0
-12.0
0
0
-12.0
0
0
-12.0
0
0
-12.0
25.5
0.6
25.5
0.6
0
-25.5
-0.5
0
-0.5
-25.5
-12.1
6.5
0.5
0
0.5
6.0
0
6.0
6.0
0.5
-25.3
-24.7
-24.2
-24.2
-0.7
-0.7
-0.2
-25.3
-24.3
24.3
25.4
24.3
1.0
0.4
25.4
24.3
1.0
0
0.4
1.0
1.0
0.2 0
6.0
6.5
0
0.5
5.9
0
5.9
5.9
0.5
-25.3
-24.7
-2.42
-24.2
-0.8
-0.8
-0.2
-25.3
-24.3
24.4
25.4
24.4
1.0
0.4
25.0
25.5
1.0
0
0.2
1.0
1.0
-0.8 0
5.9
0
0
-11.9
11.9
-11.8
12.6
-12.4
0
0
0
0
CD L