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TABLE OF CONTENTS
INTRODUCTION............................................................. 2
SYSTEM OVERVIEW ....................................................... 3
SUMMARY OF FEATURES .....................................................................4
SPECIFICATIONS...................................................................................6
CIRCUIT THEORY ........................................................... 8
INPUT CIRCUITRY..................................................................................8
POWER AMPLIFIER CIRCUITRY...........................................................8
PROTECTION CIRCUITS .......................................................................9
THERMAL MANAGEMENT..................................................................10
SERVICE PROCEDURES............................................... 11
REQUIRED EQUIPMENT LIST ..............................................................11
TROUBLESHOOTING TIPS - OUTPUT FAILURES ................................12
TEST AND BIASING PROCEDURE......................................................13
PARTS............................................................................ 15
QUICK PARTS ......................................................................................15
CHASSIS ASSEMBLY............................................................................16
HEATSINK ASSEMBLY..........................................................................18
COMPLETE PARTS LIST........................................................................20
SCHEMATICS / PCB LAYOUTS.................................... 23
INPUT PCB SCHEMATIC.....................................................................23
INPUT PCB LAYOUT ............................................................................24
DISPLAY PCB SCHEMATIC ................................................................25
DISPLAY PCB LAYOUT........................................................................26
MAIN PCB SCHEMATICS ...................................................................27
MAIN PCB LAYOUT ............................................................................30
SOFT START PCB SCHEMATIC ...........................................................31
SOFT START PCB LAYOUT...................................................................32
Summary of Contents for FR Series M.1400
Page 1: ...M 1400 M 1400i M 1200 SERVICE MANUAL 1998 MACKIE DESIGNS INC 820 179 00 Version 1 2...
Page 20: ...M 1200 M 1400 SERVICE MANUAL PARTS 18 HEATSINK ASSEMBLY...
Page 29: ...M 1200 M 1400 INPUT PCB 055 079 00 REV D 23...
Page 30: ...M 1200 M 1400 INPUT PCB 055 079 00 REV D 24...
Page 31: ...M 1200 M 1400 DISPLAY PCB 055 080 00 REV A 25...
Page 32: ...M 1200 M 1400 DISPLAY PCB 055 080 00 REV A 26...
Page 33: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 27...
Page 34: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 28...
Page 35: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 29...
Page 36: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 30...
Page 37: ...M 1200 M 1400 SOFT START PCB 055 162 00 REV A 31...
Page 38: ...M 1200 M 1400 SOFT START PCB 055 162 00 REV A 32...
