Obstruction Of The Rf Signal Path - Nokia 7088 Troubleshooting Manual

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Obstruction of the RF signal path

If the RF signal path is obstructed, broken, damaged, the cellular antenna
performance degrades.
If the obstruction, damage of signal path happens, replace the PWB.
If one of the components at the matching circuit is missing, broken,
replace proper component according to the latest reference document.
If the DC resistance between signal pad and the output port of RF switch
is more than 1 ohm, replace the PWB.
Signal pad
Issue 12/2006 © 2006 Nokia Corporation
Output port of RF switch
Matching circuit
Figure 3: PWB layout of RF feeding path
Antenna Description and Troubleshooting
Company Confidential
7088 (RM-219)
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