McIntosh MC1.25KW

MC1.25KW
MC1.25KW
QUAD BALANCED
POWER AMPLIFIER
SERVICE MANUAL
PRELIMINARY
SERIAL NO. AFW1001 And Above
Performance Specifications ..........................................2
Notes ...........................................................................2
Rear Panel ...................................................................3
Section Location ..........................................................4
Block Diagram .......................................................5 - 6
Interconnection Diagram ........................................7 - 8
Main Schematic and PCB .....................................9 - 16
Rectifier Schematic and PCB ..............................17 - 20
Capacitor Schematic and PCB ............................21 - 24
Input Schematic and PCB ...................................25 - 28
Terminal Schematic and PCB ..............................29 - 32
Heatsink Schematic and PCB ..............................33 - 38
Heatsink Slave Schematic and PCB ..................... 39 - 42
Display Schematic and PCB................................43 - 48
Parts List .............................................................49 - 54
Repacking Instruction ................................................55
CONTENTS
METER
WATTS
HOLD
LIGHTS
OFF
POWER
ON
OFF
REMOTE
POWER GUARD
1.2KW
120
12
1. 2
.1 2
.012
0
-10
-20
-30
-40
-50
WATTS
DECIBELS
POWER OUTPUT
4.8 K
2.4 K
MC1.25KW QUAD BALANCED
POWER AMPLIFIER