IBM 5100 Maintenance Analysis Procedures page 101

(
(
(
(
(
(~,
A
G
8
DISPLAY MAP
PAGE 9 aF 10
091
-Probe J2-P07 (+C5).
Are both lights on?
Y N
9
A
H
092
(refer to 209.)
Is there a card in A2?
Y N
093
(Entry Point C)
-Remove the E2 (RaS adapter) card.
-Probe J2-P07.
Are both lights on?
Y N
094
-Reinstall the E2 (ROS adapter) card.
Defective G2 (controller) card.
Defective F2 (base I/O) card,
095
Defective E2 (RaS adapter) card.
096
-Remove the A2
(1/
a cable driver) card.
-Probe J2-P07.
Are both lights on?
Y N
097
Reinstall the A2
(1/
a cable driver) card.
Go to Page 9. Step 093. Entry Point C,
098
Defective A2
(1/
a cable driver) card and cable
assembly.
A
H
9
MAP
0500~9
099
-Probe J2-B09 (+external horizontal drive).
Are both lights on?
Y N
1
0
A
J
100
(refer to 209.)
Is there a card in A2?
Y N
101
(Entry Point
D)
-Disconnect the cable from Z3.
-Probe J2-B09.
Are both lights on?
Y N
102
-Connect the Z3 (display and control
panel) cable.
Defective J2 (display) card.
103
Defective display assembly.
Check/ replace display and control panel
cable (refer to 210, 241).
104
-Remove the A2 (I/O cable driver) card.
-Probe J2-B09.
Are both lights on?
Y N
105
-Reinstall the A2
(1/
a cable driver) card.
Go to Page 9. Step 101. Entry Point D.
106
Defective A2 (I/O cable driver) card and cable
assembly.
28SEP76 PN 1608389
EC 829670 PEC 828851
MAP 0500-9