IBM 5100 Maintenance Analysis Procedures

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MACHINE CHECKOUT
PAGE
3 OF
8
018
-Press and hold the SPACE bar.
Does the repeat function work correctly?
Y N
019
(refer to the appendix, the general logic
probe).
-Press and hold the SPACE bar.
-Probe F2-U07 (+typamatic).
Is the UP light on?
Y N
020
-Remove the keyboard cable at Z4.
-Probe F2-U07 (+typamatic).
Is the DOWN light on?
Y N
021
Defective keyboard PC board (refer to
251).
Check/replace keyboard cable
(refer
to 255).
022
Defective F2 (base I/O) card.
023
Defective key module
(refer to 252).
Defective keyboard
PC board (refer to 251).
Check/replace keyboard cable
(refer to 255).
Defective
J2 (display) card.
024
-Press and hold the P key.
Does the P key perform the typamatic
function?
Y N
7 3
HJ
J
3
025
MAP 0900-3
-Press the backspace key
to place the cursor
under a character.
-Press
AnN
Did the character at the cursor location and
the remaining characters on that line
disappear?
Y N
026
Defective ATTN key.
Go to MAP 0600. Entry Point A.
027
-Press EXECUTE
The word
ERROR should i'lppear on the display
with other characters.
Is the word ERROR on the display?
Y N
028
Defective EXECUTE key.
Go to MAP 0600. Entry Point A.
029
-Press HOLD
The cursor / character should stop flashing.
Did the flashing stop?
Y N
4
K
030
Defective HOLD key.
Go to MAP 0600. Entry Point A.
28SEP76 PN 1608396
EC 829670 PEC 829523
MAP 0900-3

IBM 5100 Specifications

General

Brand	IBM
Model	5100
Category	Laptop
Language	English