McIntosh C49

C49
29 30
AUDIO 752349 SCH 3 of 6
4
.1µF
C 15
.1µF
C 13
10µF
C1 1
10µF
C1 2
47µF
C2 6
4 .7 5 k
R 28
10 0 k
R 19
22 1 k
R 23
10 0 k
R 20
22 1 k
R 24
1 0 0 pF
C 16
1 0 0 pF
C 18
1 0 0 pF
C 17
1 0 0 pF
C 19
47µF
C2 7
1k
R2 6
7
2
14 8
6
1
K2
6
5
7
U1 :2
2
3
1
8 4
B +
B -
U1 :1
+5 V
D AC
D1 1
-1 5 V
+1 5V +1 5V IN
-1 5V IN
10 0 k
R 11
10 0 k
R 12
10 0 k
R 15
10 0 k
R 16
D3
D4
D7
D8
+1 5V IN
-1 5V IN
M M
M M L
M M R
M C
M C L
M C R
L IN P BUS
R INP BUS
10 0 k
R 14
10 0 k
R 13
D5
D6
4 7 . 5 k
R 3
4 7 . 5 k
R 4
4 7 . 5 k
R 6
4 7 . 5 k
R5
4 7 . 5 k
R 7
4 7 . 5 k
R 8
10µF
C2
10µF
C1
10 0 k
R 17
10 0 k
R 18
100pF
C3 5
100pF
C3 4
10µF
C2 9
22.1k
R4 9
6
5
7
U2 :2
2
3
1
8 4
B +
B -
U2 :1
+1 5V IN
-1 5 V IN
7
2
148
6
1
K8
+5 V
10 0 k
R 71
10 0 k
R 63
10 0 k
R 72
10 0 k
R 64
10 0 k
R 29
10 0 k
R 30
1 0 0 pF
C 40
1 0 0 pF
C 41
10µF
C5 4
10µF
C2 8
1 0 0 pF
C 46
1 0 0 pF
C 47
D1 8
7
2
148
6
1
K9
+5 V
D1 6
100pF
C3 7
100pF
C3 6
10k
R3 7
10µF
C3 1
6
5
7
U3 :2
2
3
1
8 4
B +
B -
U3 :1
+1 5V IN
-1 5 V IN
10 0 k
R 73
10 0 k
R 65
10 0 k
R 74
10 0 k
R 66
10 0 k
R 31
10 0 k
R 32
1 0 0 pF
C 42
1 0 0 pF
C 43
10µF
C3 0
1 0 0 pF
C 48
1 0 0 pF
C 49
BAL 1
BAL 2
4
2
3
1
-
+
G
J7
4
2
3
1
-
+
G
J8
4
2
3
1
-
+
G
J9
4
2
3
1
-
+
G
J1 0
23 1
4
K1 1
M O N O
+5 V
D1 9
4 .7 5 k
R 27
BAL 1
L
R
BAL 2
L
R
10µF
C5
10µF
C6
10µF
C7
10µF
C8
10µF
C9
10µF
C1 0
1k
R2 5
R IN P
L IN P
10k
R 43
22.1k
R5 3
22.1k
R5 4
10k
R3 8
10k
R 44
22.1k
R5 5
22.1k
R5 6
10k
R3 5
10k
R3 6
10k
R 41
10k
R 42
22.1k
R5 0
22.1k
R5 1
22.1k
R5 2
10µF
C5 5
10µF
10µF
C5 7
10µF
C5 8
10µF
C5 9
10µF
C6 0
10µF
C6 1
.1µF
C 20
.1µF
C 23
+1 5V IN -1 5V IN
.1µF
C 21
.1µF
C 24
+1 5V IN -1 5V IN
U NBAL 1
U NBAL 2
U NBAL 3
7
2
14 8
6
1
K3
+5 V
D9
7
2
14 8
6
1
K4
+5 V
D1 2
7
2
148
6
1
K5
+5 V
D1 3
7
2
148
6
1
K6
+5 V
D1 4
7
2
148
6
1
K7
+5 V
D1 5
2
3
1
L
R
J1 :1
UNBAL 3
UNBAL 2
UNBAL 1
5
6
4
L
R
J1 :2
8
9
7
L
R
J1 :3
2.21
R2 1
2.21
R2 2
10 µF
C 14
4-4 0
G P1
D3 9 D40
D4 1 D42
D4 3 D44
D4 5 D 46
0
R2 7 8
0
R2 7 9
0
R2 8 0
0
R2 8 1
6-3 2
GP2
6-3 2
GP3
6-3 2
GP4
6-3 2
GP5
.1µF
C2 1 7
.1µF
C2 1 8
.1µF
C2 1 9
.1µF
C2 2 0
D AC L EFT
D AC R IG H T
4-4 0
G P6