Nokia 2255 Manual Do Serviço

Página de 6
2255 (RM-97) 
Antenna Description and Troubleshooting
Page 4 
©2005 Nokia Corporation     Company Confidential
ISSUE 1 10/2005
Failures and Corrective Measures
Installing the stub antenna
 shows the assembly of the stub antenna into the D-cover. 
Figure 2: Installing a stub antenna
If no stub antenna is installed, the antenna gain will be degraded by more than 25 dB.
The stub has a hook on the antenna anchor which locks the antenna into the D-cover 
when installed. See 
Figure 3
.
Figure 3: Locking mechanism on antenna anchor
During antenna installation, the antenna anchor passes through a plastic loop in the 
C-cover (See 
). The antenna is the last item to be installed during assembly of the 
mobile terminal. 
Hook