2.5 Keyboard Troubleshooting 2 Troubleshooting Procedures

2.5 Keyboard Troubleshooting

P erform external keybo ard check
(P ro ce du re 1 )
START
D o es the external
keyboard function ok?
P erform diagnostic check
(P ro ce du re 2 )
Was a keyboard
problem detected?
Perfo rm connector and
replacem ent check
(P ro ce du re 3 )
Replace system board
END
Yes
No
K eyboard is not
faulty. C ontinue
troubleshooting-
refe r to F igu re 2 .1
No
Yes

Figure 2-4 Keyboard troubleshooting process

Tecra A3/S2 Series Maintenance Manual 2-15