IBM 5280 Manual page 113

IBM 5285 DATA ENTRY MAP
A-El KEYBOARD MAP
PAGE
1 OF
6
ENTRY POINTS
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t:.Nll<l
NUMBER POINT
PAGE
NUMBER
STEP
NUMBER
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1000
I
A 1 001
001
(ENTRY POINT A)
- Power off.
- Ensure that all Diskette
locking levers are open.
- Ensure that the
5281/5282
Data
Station is powered on.
- Power on.
- Wait at least 30 seconds for
the condition code table to be
displayed on Data Station 0
(MIM 931).
Is there a Scan code for keyboard
1 or 2 displayed in line
1
of the
condition code table?
Y N
002
- Probe the '100 Hz Clock' line
at A-E2D13 (MIM 531).
Up light: On
Down light: On
Are the lights correct?
Y N
6 2
003
- Suspect an open net on the
'100 Hz Clock' line (MIM
531).
Copyright IBM Corp 1980
MAP 1021-1
EXIT POINTS
EXIT THIS MAP
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TO
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ct'
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IYIRt'
NUMBER NUMBER
PAGE
eNTRY
NUMBER POINT
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6
033
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0600
A
EC840S74 PEC839787
A B MAP 1021-1