Monday, November 17, 2014
Nokia 5320 xpressmusic No network Signal problem hardware repair solution
5320 No network problem solution 1- RF Supply Voltage
Check the voltages in these components highlighted in below solution, these are the output voltages from the voltage regulator chips that supplies to the RF IC and RF Power Amplifier chip. If there is no voltage readings in these components, check and replace the corresponding Voltage regulator chip.
5320 No network problem solution 2- RF regulated supply voltages
1)Rework or replace the Power amplifier PA IC,
2) Replace the Voltage controlled crystal clock oscillator
3) Rework the RF IC or replace if necessaryHope this helps solved to fix or repair a damaged Nokia 5320 No network problem issues.
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