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2.2.7 COLOR SWITCH PROBLEM
SYMPTOM
36:
Color
(00/0000)
switch does not work.
Figure
2-33.
Color
(00/0000)
Switch
ACTION:
1.
Set the Test/Normal switch to Test.
2.
look at the characters on the test pattern and set the color
(00/0000)
switch to
the opposite position.
(~'
3.
Do some of the characters change color?
YES
Invoke your support structure.
[
. •
"
NO
Replace the logic board.
Go to 3.2, "logic Unit" on page 3-2.
c·
c:
C
Chapter 2. Problem Determination Guide
2-27
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