IBM 5100 Maintenance Analysis Procedures page 97
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Also See for 5100:
- Maintenance information manual (389 pages) ,
- Maintenance information (388 pages) ,
- Apl reference manual (228 pages)
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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
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