IBM 2193 Maintenance Service Manual page 100

002 - IS THE SCREEN READABLE? (YES, READ AHEAD.
NO, GO TO STEP 004)
NOTE: If the screen shows a blinking cursor with no memory
count running, answer this question "No".
Select Interactive Tests from the Main Menu.
Select and execute Video test from the menu.
Follow the prompts and perform the video test.
Go to "Index of Symptoms, Messages, Error Codes, or
Beeps" on page 69.
NOTE: You might have to adjust the monitor controls to
obtain the best image.
003 - DOES THE MONITOR SUCCESSFULLY PASS ALL
TESTS? (YES, READ AHEAD. NO, GO TO STEP 004)
You have successfully completed the video diagnostics
tests. If the problem remains, go to "Index of Symptoms,
Messages, Error Codes, or Beeps" on page 69.
End.
004 -
Power off the system unit.
Remove the hard disk drive system cable.
Power on the system unit.
005 - IS THE SCREEN READABLE?
Replace the monitor. If the symptom remains, replace the
system board.
End.
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