IBM 5280 Manual page 100

A
B
9
A
C
9
A DATA ENTRY MAP
D
9 A-El DISPLAY
PAGE 10 OF 10
057
- Use !'l1M 227 to trace the
'+
Horizontal Drive' line for
opens or grounds.
- OR - -
- GO TO THE 5281 OR 5282 DATA
STATION DATA ENTRY MAP
1000, ENTRY POINT A.
058
- Failing Data Station Adapter
Card CA-El) (MIM 501).
059
-
Power off.
-
Remove the terminating
resistor.
-
Set the CE
meter to the RXI
scale.
-
Disconnect POI on A-El
(MIM
201, 203, 227).
- Connect the
the meter
positive lead
to A-El-POl-8,
of
'+
Horizontal Drive', and the
negative lead to ground CMIM
201, 203, 227).
- The meter should read in the
range of 30 ohms and 150 ohms.
Is the meter reading correct?
Y N
060
- Use MIM 227 to trace the
Horizontal
Drive'
line
opens or grounds.
-
- -
-
- OR
-
-
-
GO TO THE 5281 OR 5282
'+
for
DATA
STATION
DATA ENTRY MAP 1000,
ENTRY POINT A.
A
A C R Z A
1 2 6 9 E
MAP 1011-10
061
- Failing Data
Adapter Card
(MUl
501).
062
Station
(A-El)
GO TO THE 5281 OR 5282 DATA
STATION DATA ENTRY MAP
1000, ENTRY POINT A.
063
- Ensure that the keylock
switch is in the local
position (MIM 229).
- Probe A-EID04, Keylock
Disable' (MIM 531).
Up light: On
Down light: Off
Are the lights correct?
Y N
064
GO TO MAP 1026,
ENTRY POINT
B.
065
GO TO PAGE
6,
STEP 032,
ENTRY POINT
B.
066
End of call.
067
End of call.
EC840874 PEC839787
E MAP 1011-10