SatelliteA660/ProA660 Series Maintenance Manual
80
2.30 3G Troubleshooting
S T A R T
P er fo rm W in d o w s a p p lic atio n te s t
(P ro c e d u re 1 )
W a s a 3 G p r o b le m d e te c t e d ?
P e rfo r m sy s t e m in fo a n d e le ctric w av e c h e ck
(P ro c e d u re 2 )
R e p l a c e 3 G a n te n n a /u nit
R e p la c e s y ste m b o ar d
E N D
Y es
3 G s y s te m is n o t
fa u lty . C o n ti n u e
tro ub le 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
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
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