3
INTRODUCTION
This manual contains basic service information. It is essential that you have a
copy of the user’s manual as this contains the complete operating instructions.
SERVICE TECHNICAL ASSISTANCE
Mackie Designs, Service Technical Assistance, is available 8AM - 5PM PST, Monday through
Friday for Authorized Mackie Service Centers, at 1-800-258-6883. Feel free to call with any
questions and speak with a carefully-calibrated technician. If one is not available, leave
a detailed message and a qualified Mackoid will return your call asap.
DISCLAIMER
The information contained in this manual is proprietary to Mackie Designs, Inc. The entire
manual is protected under copyright and may not be reproduced by any means without
express written permission from Mackie Designs, Inc.
SERVICE ON THIS EQUIPMENT IS TO BE PERFORMED BY
EXPERIENCED REPAIR TECHNICIANS ONLY
CONTENTS
INTRODUCTION .................................................................................3
Technical Support ........................................................................3
Disclaimer.......................................................................................3
BLOCK DIAGRAM .............................................................................4
SPECIFICATIONS ................................................................................5
TROUBLESHOOTING TIPS............................................................... 6-7
RELIABILITY VERIFICATION ........................................................... 8-9
CIRCUIT THEORY ........................................................................10-13
ASSEMBLY DRAWINGS .............................................................. 14-19
PARTS LIST ................................................................................... 20-30
FOLD-OUT SECTIONS: schematics and pcb layouts
Channel 1.............................................................................. 129-1
Channel 2.............................................................................. 130-1
Input board........................................................................... 131-1
Display board........................................................................ 132-1
Power Distribution and in-rush limit..................................... 133-1
Voltage Amp and protection............................................ 170-1
Power Supply ........................................................................ 171-1
Output board....................................................................... 172-1
15 V supply/Fan drive board ............................................. 186-1
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