user manual

2Troubleshooting Procedures
SatelliteA660/ProA660 Series Maintenance Manual
80
2.30 3G Troubleshooting
S T A R T
P e r f o r m W i n d o w s a p p lic a tio n te s t
(P r o c e d u re 1 )
W a s a 3 G p ro b le m d e te c te d ?
P e r fo r m s y s te m in f o a n d e le c tric w a v e c h e c k
(P r o c e d u re 2 )
R e p la c e 3 G a n te n n a /u n i t
R e p la c e s y s te m b o a r d
E N D
Y es
3 G s y s te m is n o t
fa u lty . C o n tin u e
tro u b l e s h o o tin g - r e f e r
to F ig u re 2 .1
N o
Figure 2-29 3G troubleshooting process
Notes: 3G Antenna assemble rule as below:
color of antenna Assemble location
Red antenna Main/1
Blue antenna Aux/2
The 3G antenna wire, 3G unit or system board may each be the source of a 3G fault. Any of
these components may be damaged. To determine if the computer’s wireless LAN system is