Power Supply Troubleshooting; Figure 2-2 Power Supply Troubleshooting Process - Toshiba Satellite L670D Maintenance Manual

2 Troubleshooting Procedures
2.3

Power Supply Troubleshooting

S T A R T
C h e c k P o w e r S u p p l y
S t a t u s ( P r o c e d u r e 1 )
A r e t h e D C - I N
a n d B a t t e r y L E D s
C h e c k p o w e r s u p p l y
c o n n e c t i o n s
( P r o c e d u r e 3 )
C a n y o u t u r n t h e
c o m p u t e r o n ?
A r e t h e i n t e r n a l
p o w e r c o n n e c t i o n s
s e c u r e ?
R e p l a c e s y s t e m b o a r d
E N D
[CONFIDENTIAL]
l i t ?
Y e s
N o
Y e s

Figure 2-2 Power Supply Troubleshooting Process

Satellite L670D/L675D/ProL670D Series Maintenance Manual
R e p l a c e a d a p t o r /
N o
( P r o c e d u r e 2 )
R u n d i a g n o s t i c
Y e s
p r o g r a m
( P r o c e d u r e 4 )
P e r f o r m i n t e r n a l
N o c o n n e c t i o n c h e c k
( P r o c e d u r e 5 )
b a t t e r y
9