Operating instructions

Figure 2-1 SW1 on the TRANSPORT CONTROL PCA ............... 2-2
2-2 Controls on the BIAS CONTROL PCA ................... 2-3
2-3 Assembling the Mounting Flanges ...................... 2-6
2-4 Attaching the Stand Assembly ......................... 2-6
2-5 Assembling Auto Locator and Remote Control Unit ..... 2-7
2-6 Desk Top Stand Assembly ............................. 2-8
2-7 Roll-Around Stand Assembly .......................... 2-8
2-8 MTR-90III Logic and Power Connections ............... 2-9
2-9 AC Power Cord Wiring ................................ 2-10
2-10 XLR Cable Wiring for Audio Connections ............. 2-10
Figure 3-1 MTR-90III Transport Features and Controls ............. 3-2
3-2 Rear Panel Features ................................... 3-5
3-3 Remote Control Unit Features .......................... 3-7
3-4 Auto Locator Front Panel Features .................... 3-10
Figure 4-1 Tape Threading Path ................................... 4-3
Figure 5-1 Head Shield Screw and Guide Rails .................... 5-4
5-2 Reel Motor Replacement .............................. 5-6
5-3 Brake Pad Replacement ............................... 5-7
5-4 VU Meter Lamp Replacement .......................... 5-8
5-5 Head Shield Position Adjustment ...................... 5-8
Figure 6-1 Transport Deck Plate Removal ......................... 6-3
6-2 Record/Reproduce Head Azimuth Adjustment .......... 6-4
6-3 Swing Arm Travel Limit Adjustment .................... 6-6
6-4 Fast Forward and Rewind Solenoid Adjustment ......... 6-7
6-5 Tape Lifter Adjustment ................................. 6-9
6-6 Measuring Brake Tension ............................. 6-10
6-7 Brake Tension Adjustment Nut ........................ 6-10
6-8 Reel Turntable Height Adjustment ..................... 6-11
6-9 REEL CONTROL PCA Front Panel ..................... 6-12
6-10 TRANSPORT CONTROL PCB Assembly .............. 6-14
6-11 Capstan Tachometer Adjustment ..................... 6-16
6-12 Capstan Control PCB Assembly ...................... 6-18
6-13 Repro Section of Audio PCB Assemblies ............. 6-20
6-14 Sync section of Audio PCB Assemblies .............. 6-21
6-15 Bias Section of Audio PCB Assemblies ............... 6-22
6-16 Record Section of Audio PCB Assemblies ............ 6-23
6-17 Phase Compensation Adjustments ................... 6-23
6-18 MTR-90III Block Diagram ........................... 6-25
Figure 7-1 MTR-90III Dimensions ................................. 7-4
April 1992
xi
List of Figures