IBM 5100 Maintenance Analysis Procedures

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DISPLAY MAP
PAGE 5 OF 10
041
-Remove the J2 (display) card.
-Probe
J2-806 .
With the switch in DISPLAY REGISTERS
the
DOWN light should be on. In
NORMAL. both lights should be off.
Are the probe indications correct?
Y N
042
-Reinstall the J2 (display) card.
Defective DISPLAY REGISTERS switch.
Refer
to 210).
Check/replace display and control panel
cable.
(refer
to 210. 241).
043
Defective J2 (display) card.
044
Defective J2 (display) card.
045
-Probe J2-P04 (+C4).
Are both lights on?
Y N
046
-Probe J2-P04.
Are both lights off?
Y N
555
U V W
u V W
555
MAP 0500-5
047
-Remove the A2 (I/O cable driver) card if
one is installed.
-Probe
J2-P04.
Are both lights on?
Y N
048
-Reinstall A2.
Defective
F2 (base I/O) card.
Defective
G2 (controller) card.
Defective
J2 (display) card.
049
Defective A2 (I/O cable driver) card and
cable assembly.
050
Defective F2 (base I/O) card.
051
-Switch the L32-64-R32 switch to all three
positions and observe the display.
Does the video change correctly as the
switch is operated?
Y N
6
X
052
Defective J2 (display) card.
Defective display L32-64-R32 switch.
Check/replace display and control panel cable
(refer
to 210. 241).
28SEP76
PN 1608389
EC 829670 PEC 828851
MAP 0500-5
I

IBM 5100 Specifications

General

Brand	IBM
Model	5100
Category	Laptop
Language	English