McIntosh MA9500 Service Manual

MA9500
WAT T S
.30 3.0 30 3.00
30
3.0
m
m
-30 - 20
-40 -10
-50
0
D E C I B E L S
P O W E R O U T P U T
INPUT
25 50
PUSH - TRIM
HOLD - SETUP
HEADPHONE 1 OUTPUTS 2
INTEGRATED AMPLIFIER
SERIAL NO. AJQ1001 And Above
M A 9 5 0 0
I N T E G R A T E D A M P L I F I E R
POWER GUARD
100 200 400 1k 2.5k
USB 35%
DSD512
WAT T S
.30 3.0 30 3.00
30
3.0
m
m
-30 - 20
-40 -10
-50
0
D E C I B E L S
P O W E R O U T P U T
VOLUME
10k
TRIM / SETUP
ADJUST
EQUALIZER MUTE STANDBY/ON
RESET
SERVICE MANUAL
CONTENTS
Performance Specifications ........................................................ 2
Notes ......................................................................................... 2
Rear Panel ................................................................................. 3
Section Location ........................................................................ 4
Block Diagram ........................................................................... 5
Interconnection Diagram and Parts Lis ................................... 6-7
PS Backup/PS Low Volt Schematic, PCB and Parts List .......... 8-11
Control Schematic, PCB and Parts List ................................. 12-17
Audio Schematic, PCB and Parts List ....................................18-24
Heatsink Schematic, PCB and Parts List ............................... 25-28
L & R Terminal Schematic, PCB and Parts List ..................... 29-30
Display/Mtr Lt/Hdphn Schematic, PCB and Parts List ........... 31-36
Digital Audio / DA2 Schematic, PCB and Parts List ..............37-46
High Volt PS Schematic, PCB and Parts List ........................ 47-48
Tone Schematic, PCB and Parts List .................................... 49-50
Balanced Schematic, PCB and Parts List ...............................51-52
High Volt PS Daughter Board Sch., PCB and Parts List ......... 53-54
Repacking Instruction .............................................................. 55