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3.11 Switch Problems
(00/0000
or A/A,a)
1.
Set the Test/Normal switch to Test.
2.
Transfer the failing switch.
3.
Does transferring the failing switch change the test pattern?
•
Yes - No IBM 3205 problem has been identified. This could be a host processor problem.
•
No - Go to 3.1, "Problem Reporting" on page 3-1; use problem identification code L.
3.12 Pedestal Problems (Tilt or Swivel)
Go to 3.1. "Problem Reporting" on page 3-1. use problem identification code P.
3.13 Keyboard-to-display Test (122-key keyboard)
Notes:
1. Regardless of which characters appear on the key tops. the characters shown below are displayed in test
mode.
2.
When any key in the shaded area is pressed. the character without the underscore is displayed. When the
key is released. the character with the underscore is displayed.
3.
The characters represented in this figure will be displayed when the IBM 3205 is in test mode.
Figure
3-1.
Keyboard-to-display Test (122-key keyboard)
3-4
Chapter 3. Problem Determination Guide
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