McIntosh C2600 Service Manual

C2600
29 30
AUDIO 751899 SCH 2 of 6
4
.1µ F
C15
.1µ F
C13
10µF
C11
10µF
C12
47µF
C26
4.75k
R28
100k
R19
221k
R23
100k
R20
221k
R24
100pF
C16
100pF
C18
100pF
C17
100pF
C19
47µF
C27
1k
R26
7
2
14 8
6
1
K2
6
5
7
U1:2
2
3
1
8 4
B+
B-
U1:1
+5V
DAC
D11
-15V
+15V
2.21
R21
2.21
R22
10µF
C14
+15V IN
-15V IN
100k
R11
100k
R12
100k
R15
100k
R16
D3
D4
D7
D8
+15V IN
-15V IN
MM
MM L
MM R
MC
MC L
MC R
L IN P BU S
R IN P BUS
100k
R14
100k
R13
D5
D6
47.5k
R3
47.5k
R4
47.5k
R6
47.5k
R5
47.5k
R7
47.5k
R8
10µF
C2
10µF
C1
J5:2
J5:11
100k
R17
100k
R18
DAC L
DAC R
100pF
C35
100pF
C34
10µF
C29
22.1k
R49
6
5
7
U2:2
2
3
1
8 4
B+
B-
U2:1
+15V IN
-15V IN
7
2
148
6
1
K8
+5V
100k
R71
100k
R63
100k
R72
100k
R64
100k
R29
100k
R30
100pF
C40
100pF
C41
10µF
C54
10µF
C28
100pF
C46
100pF
C47
D18
7
2
148
6
1
K9
+5V
D16
100pF
C37
100pF
C36
10k
R37
10µF
C31
6
5
7
U3:2
2
3
1
8 4
B+
B-
U3:1
+15V IN
-15V IN
100k
R73
100k
R65
100k
R74
100k
R66
100k
R31
100k
R32
100pF
C42
100pF
C43
10µF
C30
100pF
C48
100pF
C49
BAL1
BAL2
4
2
3
1
-
+
G
J7
4
2
3
1
-
+
G
J8
4
2
3
1
-
+
G
J9
4
2
3
1
-
+
G
J10
23
14
5
K12
23 14
K11
23
14
5
K13
MONO
+5V
+5V
D19
1
TOP
3 5
J6:1
2
BOTT
4 6
J6:2
4.75k
R27
B A L 1
L
R
B A L 2
L
R
10µF
C5
10µF
C6
10µF
C7
10µF
C8
10µF
C9
10µF
C10
1k
R25
R INP
L INP
MAIN
D20
10k
R43
22.1k
R53
22.1k
R54
10k
R38
10k
R44
22.1k
R55
22.1k
R56
10k
R35
10k
R36
10k
R41
10k
R42
22.1k
R50
22.1k
R51
22.1k
R52
10µF
C55
10µF
C56
10µF
C57
10µF
C58
10µF
C59
10µF
C60
10µF
C61
.1µF
C20
.1µF
C23
+15V IN -15V IN
22.1k
R47
22.1k
R48
215
R69
22.1k
R61
22.1k
R62
22µF
C52
22µF
C53
UNBA L 3
UNBA L 2
UNBA L 1
.1µF
C21
.1µF
C24
+15V IN -15V IN
UNBAL1
UNBAL2
UNBAL3
215
R70
7
2
14 8
6
1
K3
+5V
D9
7
2
14 8
6
1
K4
+5V
D12
7
2
148
6
1
K5
+5V
D13
7
2
148
6
1
K6
+5V
D14
7
2
148
6
1
K7
+5V
J5:10
DIGITA L
J5:5
+15V
-15V
J5:3
J5:12
J5:6
J5:7
J5:8
J5:1
D15
1
TOP
3 5
J1:1
2
BOTT
4 6
J1:2
1
TOP
3
5
J2:1
2
BOTT
4
6
J2:2
1
TOP
3
5
J3:1
2
BOTT
4
6
J3:2
1
TOP
3
5
J4:1
2
BOTT
4
6
J4:2
7
2
14 8
6
1
K1
+5V
D10
UNBAL4
100k
R9
100k
R10
D1
D2
47.5k
R1
47.5k
R2
10µF
C3
10µF
C4
UNBAL 4
7
2
148
6
1
K10
+5V
D17
BAL3
100pF
C39
100pF
C38
10k
R39
10µF
C33
6
5
7
U4:2
2
3
1
8 4
B+
B-
U4:1
+15V IN
100k
R75
100k
R67
100k
R76
100k
R68
100k
R33
100k
R34
100pF
C44
100pF
C45
10µF
C32
100pF
C50
100pF
C51
4
2
3
1
-
+
G
J11
4
2
3
1
-
+
G
J12
B A L 3
L
R
10k
R45
22.1k
R57
22.1k
R58
10k
R40
10k
R46
22.1k
R59
22.1k
R60
10µF
C62
10µF
C63
10µF
C64
10µF
C65
.1µF
C22
.1µF
C25
+15V IN -15V IN
-15V IN
3
3
3
3
3
D45
D46
D47
D48
D49
D50
D51
D52
D53
D54
D55
D56
D57
D58
OPEN
C219
OPEN
C220
F IX E D OUT
L
R

McIntosh C2600 Specifications

General

Signal to Noise Ratio	100dB
Phono Stage	Yes
Digital USB Input	1
Digital MCT Input	1
Vacuum Tube	Yes
Type	Tube Preamplifier
Frequency Response	20Hz - 20kHz (+0, -0.5dB)
Phono Inputs	1 Moving Magnet 1 Moving Coil
Outputs	3 Total
Output Impedance	100 ohms
Dimensions	17.5" (44.45cm) x 6" (15.24cm) x 18" (45.72cm)
Headphone Output	1/4" High Drive with Headphone Crossfeed Director (HXD®)