IBM System/36 Maintenance Information Manual page 81

f. The control panel is not operating correctly. Suspect the following FRUs:
% FRU
75
AlF2 WSA/control panel interface card
10
Control panel
10
AlG2 CSP
5
Operator panel cable
g. Suspect the following FRUs:
%
FRU
80 Base power supply
20 Operator panel cable
2. Security Switch Test
a. Set the Security switch to the Normal position. If the Power On light is the only light or display that
is on, go to step 3. If not, find the control panel lights that are on in the table below and go to the
indicated step.
b. The 5363 will power up with the Security switch in the locked position; however, the Select Function
and the Start Function keys are inoperable.
Control Panel Lights On Go to Step
Console, Program, and 2c
Processor
Console 2d
Program 2d
Processor 2d
Displays 2d
c. Suspect the following FRUs:
%
FRU
80 AlF2
15 Base power supply
5 AlG2 CSP card
d. Suspect the following FRUs:
%
FRU
75
Control panel
20 AlF2
5
Operator panel cable
Section 5. Control Panel Procedures
5-5