---------------------------------------------------------------------
                           IBM ECA
              Engineering Change Announcement

Parts removed from this machine and returned to IBM must be genuine,
                      unaltered IBM Parts

         IBM World Trade Corporation, CE Department Germany
---------------------------------------------------------------------
 EC NUMBER         :  ECA27705     DATE             : 89-01-19
 MANDATORY         :  N
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  EMO          AVAILABILITY DATE: 88/03

 ABSTRACT:  5555-H04 COLOR PROBLEM
                                                                                
 PURPOSE: TO FIX THE FOLLOWING PROBLEM.                                         
 -COLOR BALANCE FAILURE.                                                        
 -THE CRT SCREEN IMAGE IS DISCOLORED BY POWER LINE NOISE.                       
 -THIN VERTICAL LINE PROBLEM.                                                   
                                                                                

 Type            Machines Affected                              
 Mod. With       and/or Feature/Device     B/M to be  Serv Syst 
 Stg. B/M        Description               Installed  Hour Hour 

 Plant 99                                                       

 H04  B/M0005555 S/N RANGE                 B/M65X1281 00.3 00.3 
                  99X0001 THRU 99X2222                          
                  99XA001 THRU 99XV100                          
                  99XW102 THRU 99XW301                          

                                                                                
 PHYSICAL CHECK:                                                                
 -CHECK A LABEL UNDER THE FRONT BEZEL OF THE DISPLAY UNIT.                      
 THE UNIT,WHICH IS APPLIED THE EC,HAS WHITE LABEL WITH A BLACK                  
 CIRCLE  AND WITH OR WITHOUT A BLACK DOT.                                       
                                                                                
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL:                                                                        
 REPLACE A DISPLAY UNIT.                                                        
                                                                                
 NOTES:                                                                         
 THIS EC IS APPLICABLE UNTIL THE END OF APRIL IN 1989.                          
---------------------------------------------------------------------