McIntosh C2500 Service Manual page 36

9 TUBE
751461 SCH 3 of 3
L MAIN 1
J16:1 2C
J6:12
L MAIN B
GND
J16:2 2C
J6:11
GND
J16:3 2C
J6:10
R MAIN A
J16:4 2C
J6:9
GND
J16:5 2C
J6:8
GND
J16:6 2C
J6:7
GND
J16:7 2C
J6:6
67
146V
47.5k
157V
R55
C37
146V
10µF
R57
475k C40
.022µF
R82
100V 10M
R78
1k
0V
2 V5:1
12AX7A
1.2V
R56
10k
4
9
12AX7A
5
V4:3
18V
4
9
12AX7A
5
V5:3
4
9
V6:3 12AX7A
5
-18V
146V
.1uF
18V
R59
C61
475k C41
.022µF
100V
R84
10M
R79
1k
0V
2 V6:1
12AX7A
1.2V
R58
10k
157V
R69
47.5k
C47
C49
10µF
157V .47µF
C62
.022µF
105V
R65
267k
3
#132352
Q5
R83
130V KEC BF421-AT/P
10M 70V
0V
7 V5:2
12AX7A
R70
10k
C42
1V
R60
47pF
475k
18V
R64
15k
R62
10k
C44 47pF
157V
R71
47.5k
157V
C63
.022µF
R67
105V C48 C51
267k
10µF .47µF
3
R85
Q6
10M
70V
0V
7 V6:2
12AX7A
R72
C43 10k
R61
1V
47pF
475k
18V
R66
15k
R63 10k
C45 47pF
R90
L MAIN 2
2C J6:9
1k
J6:4
GND
2C J6:10
J6:3
GND
2C J16:8
J6:5
TUBE_LED 2B J14:3
TUBE LIGHT
J6:1
R91
R MAIN 2
2C J6:11
1k
J6:2
68