MPX G2 Service Manual
Power Supply: ........................................................................................................................................5-27
Battery Voltage:......................................................................................................................................5-28
Systems Clocks:.....................................................................................................................................5-29
APPENDIX A: Software Error Messages ...............................................................................................5-29
Chapter 6 Theory of Operation ................................................................... 6-1
Analog ......................................................................................................................................................6-1
Overview...............................................................................................................................................6-1
Input......................................................................................................................................................6-2
Tone Block............................................................................................................................................6-3
Dynamic Gain .......................................................................................................................................6-3
Send .....................................................................................................................................................6-4
Aux Inputs (including Speaker Simulator).............................................................................................6-5
Output ...................................................................................................................................................6-6
Supplies ................................................................................................................................................6-6
Digital .......................................................................................................................................................6-7
ARCHITECTURE..................................................................................................................................6-7
SCHEMATIC WALK-THROUGH ........................................................................................................6-14
DETAILS.............................................................................................................................................6-17
Chapter 7 - Parts List.................................................................................. 7-1
Main Board ...............................................................................................................................................7-1
Display Board ...........................................................................................................................................7-5
Front Panel Input Board ...........................................................................................................................7-6
Chassis/Mechanical .................................................................................................................................7-6
Packaging/Miscellaneous.........................................................................................................................7-7
Power Cords.............................................................................................................................................7-7
Chapter 8 Schematics and Drawings ......................................................... 8-1
Schematics:..............................................................................................................................................8-1
Drawings: .................................................................................................................................................8-1