McIntosh MC2000 Service Manual

BLOCK DIAGRAM
5
6
MC2000
MUTE
BALANCED/
UNBALANCED
RELAY
UNBALANCED
+
-
BALANCED
1.2V/2.5V
LEVEL
RELAY
BUFFER
VOLTAGE
N.F.B.
BUFFER
HOLD
CIRCUIT
RECTIFIER
BUFFER
BIAS
CONTROL
BUFFER
OUTPUT
TRANS-
FORMER
8
4
2
9
9
9
COM
LEFT
OUTPUT
L. METER
HOLD
CIRCUIT
RECTIFIER
BIAS
CONTROL
BUFFER
BUFFER
OUTPUT
TRANS-
FORMER
BUFFER
MUTE BUFFER
1.2V/2.5V
LEVEL
RELAY
BALANCED/
UNBALANCED
RELAY
VOLTAGE
N.F.B.
BALANCED
UNBALANCED
8
4
2
9
9
9
COM
-
+
R. METER
RIGHT
OUTPUT
METER
HOLD
SWITCH
INPUT
LEVEL
SWITCH
BALANCED/
UNBALANCED
MODE SWITCH
LEFT
INPUTS
RIGHT
INPUTS
UNITY
INVERTING
AMP
UNITY
GAIN
AMP
INPUT
AMP
DRIVER
AMP
DRIVER
AMP
LOG
AMP
OUTPUT
AMP
OUTPUT
AMP
DC
AMP
DC
AMP
DC
AMP
DC
AMP
OUTPUT
AMP
LOG
AMP
DRIVER
AMP
DRIVER
AMP
OUTPUT
AMP
INPUT
AMP
UNITY
INVERTING
AMP
UNITY
GAIN
AMP
PHASE
INVERTER
PHASE
INVERTER
POWER
RELAY
FUSE
INPUT
VOLTAGE
SELECTOR
MAIN 500V
DC SUPPLY
150 AND
300V DC
-
-
12V
DC
-+
12V
DC
INPUT
VOLTAGE
SELECTOR
MAIN 500V
DC SUPPLY
150 AND
300V DC
-
-
12V
DC
-+
12V
DC
FUSE
FUSE
POWER
SWITCH
POWER
CONTROL
REMOTE
LAMP
IN
OUT
LEFT
POWER
SUPPLY
RIGHT
POWER
SUPPLY
POWER
TRANSFORMER
POWER
TRANSFORMER
12VAC
12VAC
STANDBY
TRANSFORMER
CONTROL
5V SUPPLY
100/120/230VAC
50/60Hz
INRUSH
CURRENT
LIMITER
INRUSH
CURRENT
LIMITER
REMOTE
JACKS
POWER SUPPLY SECTION

McIntosh MC2000 Specifications

General

Brand	McIntosh
Model	MC2000
Category	Amplifier
Language	English