McIntosh MA6900 Service Manual

INTEGRATED AMPLIFIER

Performance Specifications ........................................ 2
Notes ......................................................................... 2
Rear Panel .................................................................. 3
Section Location ........................................................ 4
Block Diagram ...................................................... 5 - 6
Interconnection Diagram ...................................... 7 - 8
Main Schematic and PCB .................................... 9 - 18
Balanced Schematic and PCB .............................. 12, 18
Heatsink Schematic and PCB ............................. 19 - 20
CONTENTS

SERVICE MANUAL

Capacitor Schematic and PCB ........................... 21 - 22
Control Schematic and PCB .............................. 23 - 26
Lamp Schematic and PCB ................................. 25 - 26
Tone Schematic and PCB .................................. 27 - 31
Keyboard Schematic and PCB ........................... 30 - 32
Parts List ............................................................ 33 - 36
Exploded Views and Parts Lists .......................... 37 - 40
Repacking Instruction .............................................. 41