IBM 5100 Maintenance Analysis Procedures page 10

START MAP
PAGE 2 OF 4
(CONTINUED )
(Entry Point A)
-Record customer supplied information including
error codes, if any.
Note: when the map l€lads to a defective card,
measure the voltages at the location before
replacing the card. If any voltages are found to
be out of tolerance go tp map 0700 , entry
point A (refer to 271).
-Place the 5100 in its service position (refer ,to
212).
-Set the BRIGHTNESS control to the center 9f its
rang€l.
-Switch the L32-64-R32 switch to 64.
-Press the bottom of the REVERSE DISPLAY
switch.
-Switch the DISPLAY REGISTERS switch to
NORMAL.
-Check that the RUN switch under the covers is
on
(refer to 200).
Is the problem associated with an installed
RPQ feature?
Y N
002
Is the PROCESS CHECK light on?
Y N
003
Do you think, the problem is too
intermittent for effective use of the
MAPs?
Y N
004
-Power up. Wait 30 seconds.
Or press RESTART.
Is the 5 inch display dark for all
positions of the BRIGHTNESS
control?
Y N
4 4 4 4 2
ABC 0 E
E
2
MAP 0200-2
005
To test the indicator lights:
-Press and hold the RESTART switch.
Are both the PROCESS CHECK light and the
IN PROCESS light on?
Y N
006
Defective H2 (I/O and diag) card.
Defective PROCESS CHECK light.
Defective IN PROCESS light.
Defective RESTART switch,
Check/ replace display and control panel cabl,e
(refer to 210, 241).
007
-Release the RESTART switch. Wait 10 seconds.
Is the PROCESS CHECK light «)I'l?
Y N
008
The 5 inch display raster is grossly distorted if
it is absent. is rolling, has a black rather thl'lM
a white background, is greatly reduced i,n
size, is tilted, not centered, or departs
significantly from a rectangular shape (as
viewed in the DISPLAY REGISTERS switch
position),
Is the 5 inch displl;ly raster grossly
distorted?
Y N
009
-Press RESTART. wait 10 seconds.
Did either LOAD 0 or CLEAR WS (with
no misspelling) appear on one arid only
one line of the 5 inch display?
Y N
4 4 3 3
F G H
J
28SI=P76 PN 1608385
EC 829670 PEe az9523
MAP 0200-2
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