1571/128D ALIGNMENT/REPAIR TEST
VERSION 1.2.1
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| 1571 / C128D RADIAL ALIGNMENT PROCEDURES |
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CAT EYES SHOULD BE VISIBLE AND WITHIN 10% AMPLITUDE OF EACH OTHER
* The Peak-To-Peak Level MUST be at least 200 MV
1. If the CAT EYES Are Within the 10% Tolerance Refer to Step 5
3. If the CAT EYES Are Not Within 10% Amplitude of each other
* Loosen the two (2) Stepper Motor Mounting Screws and:
NEWTRONICS - Turn the Stepper Motor while observing the
CAT EYES Signal
ALPS - Slide the Stepper Motor while observing the
CAT EYES Signal
4. When the CAT EYES Are Within the 10% tolerance limit ....
* Hold the Stepper Motor in place and tighten the
Stepper Motor Mounting Screws
* If the CAT EYES do not stay the same, the Stepper Motor has moved
when the Mounting Screws were tightened and must be Re-Adjusted
5. Select Option Four - Upper Head Alignment
The 48 TPI Alignment Diskette must be Turned Now
6. Press SPACE to Step the Head to Track 13
7. If the CAT EYES Are Not Within 10% Amplitude of each other
* Loosen the two (2) Stepper Motor Mounting Screws and:
NEWTRONICS - Turn the Stepper Motor while observing the
CAT EYES Signal
ALPS - Slide the Stepper Motor while observing the
CAT EYES Signal
8. When the CAT EYES are the within the 10% tolerance limit ....
* Hold the Stepper Motor in place and tighten the
Stepper Motor Mounting Screws
* If the CAT EYES do not stay the same, the Stepper Motor has moved
when the Mounting Screws were tightened and must be Re-Adjusted
9. Select Option Three and Re-Check the Lower Head Alignment
* If the Lower Head Alignment is Off, it may be necessary to adjust
the Stepper Motor to get the best possible results of both the
Upper and Lower CAT EYES Signals
10. When Alignment of both heads is complete .... 1
ALIGNMENT IS OK 1!! ALIGNMENT IS OK l!!
* Press RETURN - Return to Menu
Displays Alignment/Repair Main Menu
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