McIntosh C2600 Service Manual

C2600
41 42
DISPLAY/L-PSHBTN/R-PSHBTN/HDPHN/L-MTR/R-MTR 751900 SCH 1 of 2
5
VFD CS
VFD DA
VFD CL
DS3DS2
2.74k
R28
3
1
2
Q2
12.1k
R50
12.1k
R17
12.1k
R41
12.1k
R26
12.1k
R22
.1µ F
C13
DS1
.1µF
C12
10µH
L1
100µF
C11
J9:2
J9:1
J9:4
J9:6
J9:3
DS5
A = 0 1 1 (3)
+5V D +5V D
+3.3V BU
+5V D
+5V D
+3.3V BU
INPUT
LOGO TOP HALF
VOLUME
3
1
2
Q1
1k
1 3
2
CCW
R61
1k
1 3
2
CCW
R71
1.5k
R54
3.92k
R55
1.5k
R64
3.92k
R65
1.5k
R52
3.92k
R53
1.5k
R62
3.92k
R63
G
5 2
DS34:2
B
6 1
DS34:3
G
5 2
DS35:2
B
6 1
DS35:3
G
5 2
DS36:2
B
6 1
DS36:3
G
5 2
DS37:2
B
6 1
DS37:3
1k
13
2
CCW
R60
1k
13
2
CCW
R70
1.5k
R57
3.92k
R56
1.5k
R67
3.92k
R66
1.5k
R59
3.92k
R58
1.5k
R69
3.92k
R68
G
5 2
DS38:2
B
6 1
DS38:3
G
5 2
DS39:2
B
6 1
DS39:3
G
5 2
DS40:2
B
6 1
DS40:3
G
5 2
DS41:2
B
6 1
DS41:3
+5V D
J10:1
DISPLAY
Q 3
7
VSS
8
Q 1
5
A1
2
A2
3
Q 4
9
Q 5
10
Q 7
12
SDA
15
SCL
14
Q 2
6
A0
1
Q 0
4
Q 6
11
VDD
16
NC
13
U1
HEADPH ONES MUTE
R
4 3
DS35:1
R
4 3
DS37:1
R
4 3
DS34:1
R
4 3
DS36:1
R
4 3
DS38:1
R
4 3
DS40:1
R
4 3
DS39:1
R
4 3
DS41:1
J10:2
J10:3 J10:4
J12:1 J12:2
J12:3 J12:4
J11:1 J11:2
J11:3 J11:4
2.74k
R19
DS24
2.74k
R47
DS25
2.74k
R20
2.74k
R21
DS8 DS9
2.74k
R24
DS10
2.74k
R42
2.74k
R44
DS12 DS13
2.74k
R46
DS14
TONE1 OUTPUT 2 STANDBY/ON
+3.3V BU
2.74k
R49
DS15
2.74k
R18
DS7
2.74k
R27
DS11
DS19
2.74k
R31
DS20
2.74k
R34
DS21
2.74k
R37
DS22
2.74k
R39
DS23
2.74k
R30
DS16
2.74k
R33
DS17
2.74k
R36
DS18
6.81k
R48
DS4
FP RST
+5V D
6.81k
R16
+5V D
6.81k
R51
J12:5 J12:6
J12:7 J12:8
J13:1 J13:2
J13:3 J13:4
J13:5
J13:6
J13:7 J13:8
J10:5 J10:6
J10:7 J10:8
J11:5 J11:6
J11:7 J11:8
.1 8 8
MP4
.1 8 8
MP2
.1 8 8
MP3
.1 8 8
MP1
I2C DA 1
I2C CL 1
59
59
510
510
+5V D
5
L METER
9
R METER
10
LOGO BOTTOM HALF
TONE
1 OUTPUT 2
STANDBY/ON
6 7 8 9 10

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®)