McIntosh MC303 User Manual

POWER AMPLIFIER
MC303
MT3
GND
MT3 GRN
MT3 BLU
GND
J1
1
12
J12
1
12
GND
MT2 GRN
MT2 BLU
GND
J1
1
12
J11
1
12
GND
MT1 GRN
MT1 BLU
GND
J1
1
12
J10
1
12
+
-~
~
MT2
PG2 LT
GND
PG3 LT
PG1 LT
MT3 LT
MT2 LT
MT1 LT
J9
J8
1
18
PG2 LT
PG COM
PG COM
PG COM
PG3 LT
PG1 LT
MT3 LT
MT2 LT
MT1 LT
1
18
GND
GND
GND
GND
GND
PG COM
PG COM
PG COM
MT1 FB+
MT1 FB+
MT1 FB-
MT1 FB-
MT2 FB+
MT2 FB+
MT2 FB-
MT2 FB-
MT3 FB+
MT3 FB+
MT3 FB-
MT3 FB-
MT1
1
2
3
1
3
J15
+3V
1
2
MT3 |+|
J13
+3V
1
2
MT1 |+|
J14
+3V
1
2
MT2 |+|
M E TE R L IG H TS
O F F
SW 1
A UT O
P O W ER C O N TR OL
O F F
SW 2
R E M
O N
FP OFF
FP ON
GND
J4
J7
GND
ML OFF
J6
1
12
J1
1
12
1
J1
6
PG
THRM
MET
MUTE
-15V
+15V
1
J3
6
1
J2
-15V
+15V
6
MUTE
MET
THRM
PG
-15V
FP ON
GND
FP OFF
MET LT
MUTE
ILLUM
J5
1
18
PWR RLY
GND
+15V
+15V
+5VBU
GND
GND
-15V
-15V
+5VBU
+15V
GND
+5V
+5V
GND
PWR RLY
PWR RLY
GND
GND
GND
+5V
+5V
+5V
GND
+5V
+5V
GND
PWR RLY
PWR RLY
GND
GND
GND
+5V
+5V
+5V
1
18
-15V
FP ON
GND
FP OFF
MET LT
MUTE
ILLUM
PWR RLY
GND
+15V
+15V
+5VBU
GND
GND
-15V
-15V
+5VBU
+15V
J14 J15 J11
J22
J10 J13 J12
J21
WHT/VIO
ORN
BLK
VIO
GRY
WHT
ORN
BLK/GRY
J8 J9 J4J3 J6 J5
J1 J2
BLK
WHT
BLK
F1
J5
J4J6
BLU
GRN
BLU
T4
C1
RED RED
D1
J4
J5
RED
GRN
J6
YEL
J7
1
2
-75V
+75V
J3
-75V
+75V
J2
-75V
+75V
J1
-75V
+75V
1
2
-75V
+75V
J5
1
2
-75V
+75V
J5
J8
1
J9
5
1
J3
-15V
+15V
6
MUTE
MET
THRM
PG
1
J2
8 Ohm
4
2 Ohm
1
J1
4
-15V
+15V
AMP
GND
J6
J7
J4
VIO
WHT
1
-15V
+15V
6
MUTE
MET
THRM
PG
8 Ohm
2 Ohm
-15V
+15V
AMP
GND
J6
J7
J4
VIO
WHT
1
J7
4
-15V
+15V
AMP
GND
1
J6
4
AMP
GND
1
J6
4
8 Ohm
2 Ohm
J5J1
J2
J3
J4
BLK
BLU
RED
ORN
1
J6
4
8 Ohm
2 Ohm
J5J1
J2
J3
J4
BLK
BLU
RED
ORN
1
J3
-15V
+15V
6
MUTE
MET
THRM
PG
1
J2
8 Ohm
4
2 Ohm
1
J1
4
-15V
+15V
AMP
GND
J6
J7
J4
VIO
WHT
1
J6
4
8 Ohm
2 Ohm
J5J1
J2
J3
J4
BLK
BLU
RED
ORN
1
J1
4
AMP
GND
1
J2
5
PC IN
GND
PC MET
PC OUT
GND
GP1
GP1
GP1
J1
-15V
+15V
T1
T2
T3
+15V
-15V
MUTE
MET
THRM
PG
GND
PC IN
PC MET PC OUT
GND
1
2
1
2
1
2
J5
1
J1
4
J3
J2
1
4
11
METER
LIGHT
11
METER
LIGHT
11
METER
LIGHT
9
DISPLAY
3
CONTROL
2
BACKUP
POWER
SUPPLY
7
HEATSINK
7
HEATSINK
7
HEATSINK
4
INPUT
CH 1-2
5
INPUT
CH 3
8
TERMINAL
8
TERMINAL
8
TERMINAL
6
CAPACITOR
10
METER
CONTROL
LINE VOLTAGE
100V
110V/120V
220V
230/240V
F1
F15AH 125V
F15AH 125V
T8AH 250V SB
T8AH 250V SB
BACKUP PCB JUMPERS
J3-J8 J4-J9
J3-J6 J5-J9
J4-J7
J5-J6
.22uF
OUTPUTS 3
COM
2
8
4
OUTPUTS 2
COM
2
8
4
OUTPUTS 1
COM
2
8
4
7
8
INTERCONNECT

McIntosh MC303 Specifications

General

Brand	McIntosh
Model	MC303
Category	Amplifier
Language	English