IBM 3205 Maintenance Information page 37

Color display console
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SYMPTOM 15:
The display is tilted.
Figure
2-10.
Display F
ACTION:
Replace the video unit.
Go to 3.3. "Video Unit" on page 3-6.
SYMPTOM 16:
The display appears to be rolling from left to right or from right to
left.
ACTION:
1.
2.
3.
4.
5.
6.
7.
8.
Set the
I/o
switch to 0 (Off).
Make sure the video cable is firmly connected to the logic unit.
Set the
I/o
switch back to
I
(On).
Turn the security key and the Brightness Control knob fully clockwise.
Make sure the Power-on light is on.
Set the Test/Normal switch to Test.
Does the symptom disappear?
NO
Go to step 8.
YES
Return to normal operation.
Is the status light continuously blinking?
NO
YES
Replace the logic board.
Replace the video unit.
Go to 3.2, "logic Unit" on page 3-2.
Go to
3.3,
"Video Unit" on page
3-6.
Figur~
2-11.
Status light
Chapter 2. Problem Determination Guide
2-13

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