apple Servo and Motherboard Tester Apr83 free download

File name Servo_and_Motherboard_Tester_Apr83.pdf

WlI)(;gl' SER\{} AND IDl'HER BOARD .TESTER ----- ---- --- ---- --- ----- 4/12/83 G.C. Objective: The objective of this procedure is to show sareone the correct . method for testing Widget. servo and JICther boards. Equipnent Required: ----- -,------ 1., Widget servo, llDther boards and HDAs to be tested. 2. Good mtor speed control boards (one for each HDA). 3. Good, "standard" Widget HDA (Head Disk Assembly). 4. Test base plate to munt the HDA and the IlDther board. S. +SV/+12v power supply (Profile power supply). 6. Apple ] [, / /e or / / / with integer basic available. 7. One disk drive and a IlDni tor for the above. 8. Oscilloscope, Tektronix IIDdel 46SB or equiv