OTARI MX-5050 MKIII-4 - User Manual

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MX-5050 MKIII-4

PROFE

SSIONAL RE

CORDER

INSTRUCTION

AND

MAINTENANCE

MANUAL

Main Page

Table of Contents8
General Information13
System Description13
Tape Transport14
Record/Reproduce Electronics20
Standard Accessories21
Optional Accessories21
Specifications22
Installation26
Unpacking and Inspection26
Location and Environment27
Dimensions28
Standard Switch Position on Shipment29
MIC Att29
Adjusting Panel29
Power and Signal Connection30
Remote Control31
Line Output31
Ac Power Connection32
Signal Connections33
Input/Output Assembly Connector Wiring34
Operation35
Controls and Indicators35
Pitch Control40
MIC/Line Input42
Operating Information45
3-2-(1) Using the Reel Hold down Knobs45
Pre-Operating Procedure46
Tape Threading47
Reproduction48
Norma I Record I Ng48
Line Input48
Recording with Se Lective Reproductio50
Fast Winding51
Editing and Splicing Tape52
Tape Spl Icing Block52
General Information of Maintenance53
Test and Maintenance Equipment Requirements53
Routine Maintenance and Conversion Information55
Routine Maintenance55
Cleaning55
Lifting the Head Cover56
Demagnetizing57
Lubrication58
Pinch Roller59
T Ape Rep I Acement60
Equalizer Change60
Line Voltage Conversion61
Voltage Selection Terminal61
Fuse Rep I Acement62
Access for Line Voltage Conversion62
Power Source63
Main Power Fuse Location63
Internal Fuse Location64
Rotating Control P.C.B65
Tape Transport Maintenance66
Transport Access66
Tape Transport Access66
Brake Adjustment67
Brake Measurement69
Brake Assembly Location69
Capstan Pinch Roller Pressure Adjustment70
Pinch Roller Pressure Measurement71
Pinch Roller Pressure Adjustment71
Tape Speed Adjustment72
Capstan Servo Control P.C.B72
Tape Transport Timing Chart73
Recording Process Timi~G Chart74
Recording Process Timing Chart74
Performance Testing and Electronic Alignment75
General Notice75
Test Tapes75
Test Conditions76
Performance Tests77
Overal I Signal-To-Noise77
Fi Iter Schematics77
Overal I DI Stortion Test79
Crosstalk Test80
Erasure Test81
Tape Speed Measurement82
Utter and W Ow Test83
Test Tape Load I Ng83
Access to Electronics Assembly85
Electron IC AI Ignment86
Reproduce System86
Electronics Access86
Reproduce Head Azimuth Adjustment87
Reproduce System Block and Level Diagram87
Head Assembly88
Frequency Response89
SRL (Repro Level) Adjustment91
SEL/REP. Leve I Adjustment91
Record System91
Record Head Azimuth Adjustment91
Record Bias Adjustment92
Overal I Frequency Response93
Test OSC Level Adjustment98
7-6- ( 1 2 ) Record Level Adjustment99
Peak Ind Icator Tr I Gger Leve I Adjustment99
Reel Motor Assembly Replacement101
Reel Table Replacement and Height Adjustment101
Reel Motor Replacement102
Brake Arm Assembly and Brake Solenoid Replacement103
Power Transformer Replacement104
Capstan Motor Replacement104
Pinch Roller Replacement105
Head Assembly Replacement106
Head Stack Replacement107
Record and Reproduce Head Adjustment109
Erase Head AI Ignment109
Troubleshooting111
Preliminary Procedures111
Troubleshooting Hints111
Parts Lists and Schematics114
Safety Components115
CHASSIS Ass'y115
Assembly Hardware Coding116
Parts Lists and Exploded View117
Pin Identification141
Tape Transport147

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OTARI MX-5050 MKIII-4 Specifications

General

Brand	OTARI
Model	MX-5050 MKIII-4
Category	Measuring Instruments
Language	English

OTARI MX-5050 MKIII-4 - User Manual

Table of Contents

OTARI MX-5050 MKIII-4 Specifications