McIntosh MA7000 Service Manual

MA7000
MA7000
INTEGRATED
AMPLIFIER
SERVICE MANUAL
SERIAL NO. YK1001 And Above
Performance Specifications ..........................................2
Notes ...........................................................................2
Rear Panel ...................................................................3
Section Location ..........................................................4
Block Diagram .......................................................5 - 6
Interconnection Diagram ........................................7 - 8
Backup Power Supply Schematic and PCB............9 - 10
Main Schematic and PCB ...................................11 - 22
Display Schematic and PCB................................23 - 26
Pushbutton Schematic and PCB ..........................27 - 30
Balanced Schematic and PCB .............................31 - 34
Preamp Schematic and PCB ...............................35 - 38
Capacitor Schematic and PCB ............................39 - 42
Heatsink Schematic and PCB ..............................43 - 46
Meter Light Schematic and PCB ..........................47 - 48
Parts List .............................................................49 - 56
Repacking Instruction ................................................57
CONTENTS

McIntosh MA7000 Specifications

General

Amplifier class	-
Frequency range	20 - 20000 Hz
Audio output channels	2.0 channels
Peak power per channel	250 W
Signal-to-Noise Ratio (SNR)	115 dB
Total Harmonic Distortion (THD)	0.005 %
XLR in	Yes
Purpose	Home
Product color	Black
Connectivity technology	Wired
AC input voltage	120 V
AC input frequency	50 - 60 Hz

Weight and Dimensions

Depth	558.8 mm
Width	444.5 mm
Height	239.7 mm
Weight	44300 g