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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-1200
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 ...
