Return to MAIN-Index  Return to SUB-Index    IBM-AUSTRIA - PC-HW-Support    30 Aug 1999

ECA 026 - 8512 Focus or brightness



ECA 026 - 8512 Focus or Brightness

 

8512 - Focus and/or excessive Brightness

PURPOSE:
Provide a replacement 8512 color display for a failing unit, that meets all three following specifications:
  1.   serial number with "72" prefix.
      ************************and*******************************
  2.   serial number range
      72-0120000 thru 72-0405000 --- ECA expires 2/29/92.
      ************************and*******************************
  3.   displayed text or graphics is out of Focus and/or
      excessively bright.


DETAIL:
A limited number of 8512 color displays may fail, exhibiting one or both of the following symptoms:

** NOTE ** incorrect adjustment of the brightness and contrast controls can create similar symptoms in a good display. Use the following adjustment procedures to verify that the 8512 is adjusted properly.
  1.  Turn the contrast (front knob) to its maximum position.  (This is toward the front of the display.)
  2.  Adjust the brightness (rear knob) until the right and left  borders are not visible against a black background. If an  application with a black background is not available, make  this adjustment with the system unit Powered off.
  3.  Leave the brightness control as set and adjust the contrast  control for clarity and viewing comfort.


If the brightness and Focus cannot be corrected with these procedures, the 8512 should be replaced. This ECA provides a replacement display at no charge to the customer for an 8512 that meets all of the physical check requirements.

NOTEs:
If customer provides "proof of purchase", this ECA is effective for three (3) years from date of purchase.


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