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2.2.1
OPERATOR MESSAGES
SYMPTOM
f:
Cs;J
1
(logic unit error)
ACTION:
Replace the logic board.
Go to 3.2, ftLogic Unitft on page 3-2.
SYMPTOM
2:
Cs;I2 (keyboard or logic unit error)
ACTION:
1.
Set the I/O switch to 0 (Off).
2.
Make sure the keyboard cable is firmly connected to the logic unit.
3.
Set the I/O switch to I (On).
4.
Is the symptom corrected!
YES --
Resume normal operation.
NO
Go to step S.
S.
Set the I/O
~witch
to 0 (Off).
6.
Remove the keyboard cable.
l-.l.L _ _
-.-1
Keyboard Cable
Figure
2-1.
Keyboard Cable
7.
Set the I/O switch to I (On).
8 .
Di d
Cs;I
2 change to
0;131
YES --
Replace the logic board.
Go to 3.2, ftLogic Unit" on page 3-2.
NO --
Replace the keyboard.
Go to 3.1, ftKeyboard Unit" on page 3-1.
2-6
IBM 3205 Color Display Console
( ' ,
~
c
/
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