McIntosh C2600 Service Manual page 28

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TUBE
11
751901 SCH 3 of 3
190V
J61:1
MM IN L
J13:1
4
GND
J61:2
J13:2
4
-18V1
J7:1
MC IN R
J12:1
4
J7:2
GND
J12:2
4
51
R45
47.5k
180V
R46
47.5k
C24
10µF
180V
R51
681K
86V
V1:1
0V
2
12AX7A
C25
R53
1.2V
47pF
2.21M
-16V
Check values
R29
R56
2.21k
100K
-16V
R47
C20
953
100µF
C27
R48
47µF
4.75k
180V
R52
681K
86V
V2:1
0V
2
12AX7A
C26
R54
47pF
1.2V
2.21M
-16V
Check values
R55
100K
4
18V1
9
C31
12AX7A
3300pF
5
V1:3
R49
953
4
C32
V2:3
9
220pF
5
12AX7A
C28
R50
47µF
4.75k
4
12AX7A
9
V3:3
5
-18V1
190V
R65
LEFT MM
27.4k
PHONO AMP
R66
27.4k
190V
R67
C42
R74
27.4k
1µF
2.21k
R61
475k
C33
Q3
90V
10pF
3
0V
V1:2
7
12AX7A
1V
R68
10k
10µF
R59
C37
4.75k
18V1
-16V
R58
R64
1M
75K
C35
C40
18V1
3300pF
1000pF
C36
R 4
G 5
220pF
190V
DS1:1
3
2
R69
R 4
G 5
27.4k
DS2:1
RIGHT MM
3
2
PHONO AMP
R70
27.4k
R 4
G 5
DS3:1
190V
3
2
R71
27.4k
90V
R62
C34
Q4
475k
R75
10pF
4.75k
C41
3
1µF
R73
V2:2
7
2.21k
12AX7A
R72
1V
10k
10µF
R60
C38
4.75k
18V1
-16V
R57
R63
1M
75K
C39
1000pF
J3:4
L MM OUT
J28:9
4
J3:3
GND
4
J28:10
B 6
J3:2
GND
DS1:2
DS1:3
4
J28:11
1
B 6
DS2:2
DS2:3
1
B 6
DS3:2
DS3:3
1
J3:5
R27
15k
4
J28:8
J3:6
4
J28:7
J3:1
R MM OUT
4
J28:12
J4:1
TUBE GRN
GREEN
2
J19:1
J4:2
TUBE RED
RED
2
J19:2
J4:3
18V2
18V2
2
J19:3
J4:4
18V1
18V1
2
J19:4
J4:5
-18V2
-18V2
2
J19:5
J4:6
-18V1
-18V1
2
J19:6
J4:7
GND
2
J19:7
190V
J4:8
190V
2
J19:8
52

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