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M. Abnormal Text mode operation
Check CONTROL PWB
and INTERFACE PWB
CONTROL PWB (PWE-173C)
Text switch S3
--------------....-t
Text color switch S4
Failure
INTERFACE PWB (PWE-176)
- - - - - - - - - - - - - - . . \ IC801, IC803, IC805, TR811
TR824, TR831
Failure
N. Abnormal Color at TTL MODE
Check INTERFACE PWB
PWE-176
Does not operate
16/64 colors automatically
at EGA mode
CONTRAST control
Does not work
Others
-54-
IC806, TR862
Failure
TR813-TR816
TR820-TR822
Failure
Manual switch S802
8/16/64 COLOR Switch S803
IC802, TR817, TR823
TR819
Failure
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