Mackie FR Series M.800 Wartungshandbuch

M•1400 / M•1400i / M•1200SERVICE MANUAL1998 MACKIE DESIGNS, INC.820-179-00 Version 1.2Go To BulletinsPage 3 is interactive

M•1200/M•1400 SERVICE MANUALCIRCUIT THEORY8CIRCUIT THEORYMuch of the circuitry in the M•1200/M•1400 is self explanatory from the schematic. Thissecti

VERSION 1.1CIRCUIT THEORY9PROTECTION CIRCUITSRefer to schematics on pages 27-29.The M•1200/M•1400 has two output protection circuits in addition to th

M•1200/M•1400 SERVICE MANUALCIRCUIT THEORY10THERMAL MANAGEMENTRefer to schematic on page 29.The M•1200/M•1400 T-Design Heatsink/Fan cools output devic

VERSION 1.1SERVICE PROCEDURES11SERVICE PROCEDURESMECHANICAL PROCEDURESThe M•1200/M•1400 design allows easy removal of all components and assemblies.Di

M•1200/M•1400 SERVICE MANUALSERVICE PROCEDURES12TROUBLESHOOTING TIPS - OUTPUT FAILURESAfter a catastrophic failure, it is likely that the four +/-80V

VERSION 1.1SERVICE PROCEDURES13BIAS AND TEST PROCEDUREAfter the unit has been repaired, the following should be done to assure long termreliable opera

M•1200/M•1400 SERVICE MANUALSERVICE PROCEDURES14(THIS PAGE UNINTENTIONALLY LEFT BLANK), THOSE RESPONSIBLE HAVE BEEN PUT TO THE SWORD

VERSION 1.1PARTS15PARTSQUICK PARTSFRONT PANELOL- 3- 6- 20-3-6-9- 20SIGOLSIGCH130282620221824161481.23v (+4dBu)SENSITIVITYGAIN /dB CH2PROTECTCOLDHOTSHO

M•1200/M•1400 SERVICE MANUALPARTS16CHASSIS ASSEMBLY45812361 711191012131516 17 1814

VERSION 1.1PARTS17CHASSIS ASSEMBLY PARTS LISTITEM # PART # DESCRIPTION NOTES1 700-028-02 SEMS 6-32X3/8 PHP BLKZC ALL SIDE PANEL SCREWS2 550-221-00 TOP

CAUTION AVIS RISK OF ELECTRIC SHOCKDO NOT OPENRISQUE DE CHOC ELECTRIQUENE PAS OUVRIRCAUTION: TO REDUCE THE RISK OFELECTRIC SHOCK DO NOT REMOVETHE CO

M•1200/M•1400 SERVICE MANUALPARTS18HEATSINK ASSEMBLY

VERSION 1.1PARTS19HEATSINK ASSEMBLY PARTS LISTITEM # PART # DESCRIPTION1 551-032-00 EXTR FAB HEATSINK - M12002 410-003-00 INSL SILPAD K6 W/ADHESIVE3 0

M•1200/M•1400 SERVICE MANUALPARTS20COMPLETE PARTS LIST040- Cables055- Finished PCB Assys100- Pots and Resistors200- Capacitors300- Semiconductors400-

VERSION 1.1PARTS21PART # DESCRIPTION140-111-00 RES TF SM .1W 5% 36K OHM140-115-00 RES TF SM .1W 5% 51K OHM140-123-00 RES TF SM .1W 5% 100K OHM140-124-

M•1200/M•1400 SERVICE MANUALPARTS22PART # DESCRIPTION400-172-00 TERM SOLDER-IN 18AWG400-173-00 TERM .25 QKDS PCMT STABLE400-210-00 TERM QDISC .250 F 1

FR Series Fuse upgrade BC 6/20/97THE MIXER FIXER • MACKIE DESIGNS SERVICETHE MIXER FIXER • MACKIE DESIGNS SERVICENEWSNEWSFR Series Fuse UpgradeMod

FR Tywrap Mod BC 4/28/97THE MIXER FIXER • MACKIE DESIGNS SERVICETHE MIXER FIXER • MACKIE DESIGNS SERVICENEWSNEWSFR Tywrap ModModel: FR Series M1200

FR series Amplifier ribbon replacement instructions (NEW! IMPROVED! July 2000)*Models affected: FR series M1200, M1400, M1400iM1200: All models. M1400

Ribbon modification SSE July 2000Ribbon mod.pdf, page 2 of 2Input board work:If the two ribbon cables are soldered to the input board, follow steps 7

M•1200/M•1400 INPUT PCB 055-079-00 REV-D23

®TABLE OF CONTENTSINTRODUCTION... 2SYSTEM OVERVIEW...

M•1200/M•1400 INPUT PCB 055-079-00 REV-D24

M•1200/M•1400 DISPLAY PCB 055-080-00 REV-A25

M•1200/M•1400 DISPLAY PCB 055-080-00 REV-A26

M•1200/M•1400 MAIN PCB 055-081-00 REV-D27

M•1200/M•1400 MAIN PCB 055-081-00 REV-D28

M•1200/M•1400 MAIN PCB 055-081-00 REV-D29

M•1200/M•1400 MAIN PCB 055-081-00 REV-D30

M•1200/M•1400 SOFT START PCB 055-162-00 REV-A31

M•1200/M•1400 SOFT START PCB 055-162-00 REV-A32

M•1200/M•1400 SERVICE MANUALINTRODUCTION2INTRODUCTIONThis manual contains complete service information for the M•1200, M•1400 and M•1400iaudio power a

VERSION 1.1SYSTEM OVERVIEW3SYSTEM OVERVIEWThis section provides a quick summary of the M•1200/M•1400’s major features. It is notintended to take the

M•1200/M•1400 SERVICE MANUALSUMMARY OF FEATURES4SUMMARY OF FEATURESFRONT PANEL1. GAINDetented gain controls adjust the level sent to each output secti

VERSION 1.1SYSTEM OVERVIEW5REAR PANEL1. SPEAKER OUTPUTSThe M•1400 has Speakon connectors where the M•1200 has ¼” speaker outputs. Bothmodels have bi

M•1200/M•1400 SERVICE MANUALSPECIFICATIONS6SPECIFICATIONSCONTINUOUS AVERAGE OUTPUTPOWER, BOTH CHANNELS DRIVEN:M•1200225 watts per channel into 8 ohms

VERSION 1.1SPECIFICATIONS7RISE TIME:< 4.4µsSLEW RATE:Voltage Slew Rate > 50V/µs> 100V/µs bridgedCurrent Slew Rate > 32A/µs at 2ΩCMRR:>