Tascam DA-98HR Service Manual

Also see for DA-98HR: Setup guide Owner's manual

Tascam DA-98HR Service Manual Manual pdf 2 page image

2CONTENTS1. SPECIFICATIONS 32. TECHNICAL INFORMATION 72-1. Activation of test mode 72-2. Activation of VTR mode 72-3. Displaying ROM version numbers 72-4. Displaying SUB MPU version numbers 72-5. Displaying the voltage of battery 72-6. Displaying the hed drum utilized time 72-7. Displaying the servo error history 72-8. KEY PCB check mode 82-9. How to use the built-in oscillator 82-10. Removing the FRONT MPU 82-11. Removing the SYS ROM 82-12. Checking the optional IF-AN98HR (A/D boardand D/A board) 92-13. Changeover of Reference level 92-14. EXTERNAL CONTROL I/O 123. ASSEMBLING THE MECHANISM ASS'Y 193-1. Flowchart of assembling 193-2. Installation of the mechanical parts 204. MECHANISM ADJUSTMENTS 264-1. Preparation 274-2. Test tape 274-3. Adjusting the tension arm position 284-4. Adjusting the torque 284-5. Adjusting the tape travel 294-6. Confirming the travel in F.FWD, REW andREV mode 325. ELECTRICAL ADJUSTMENTS 355-1. Check and adjustment points 355-2. Test tape 365-3. +5 V supply check 365-4. P.G. (Phase generator) position adjustment 365-5. Offset adjustment in the VCO free-runningfrequency automatic compensation circuit 375-6. Playback equalizer adjustment 385-7. RF level check 395-8. Playback error rate check 405-9. Recording current adjustment 415-10. Recording/playback RF level check 435-11. Recording/playback error rate check 436. EXPLODED VIEWS AND PARTS LIST 457. PC BOARDS AND PARTS LIST 538. INCLUDED ACCESSORIES 71