Toshiba Satellite A80 Series, Maintenance Manual

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2.5 Keyboard Troubleshooting 2 Troubleshooting Procedures
Satellite A80 / TECRA A3/S2 Series Maintenance Manual 2-15
2.5 Keyboard Troubleshooting
P e r f o r m e x t e r n a l k e y b o a r d c h e c k
( P r o c e d u r e 1 )
S T A R T
D o e s t h e e x t e r n a l
k e y b o a r d f u n c t i o n o k ?
P e r f o r m d i a g n o s t i c c h e c k
( P r o c e d u r e 2 )
W a s a k e y b o a r d
p r o b l e m d e t e c t e d ?
P e r f o r m c o n n e c t o r a n d
r e p l a c e m e n t c h e c k
( P r o c e d u r e 3 )
R e p l a c e s y s t e m b o a r d
E N D
Y e s
N o
K e y b o a r d i s n o t
f a u l t y . C o n t i n u e
t r o u b l e s h o o t i n g -
r e f e r t o F i g u r e 2 . 1
N o
Y e s
Figure 2-4 Keyboard troubleshooting process