nokia 5310 xpressmusic dead solution

Nokia 5310 xpressmusic dead solution

 In this post we have explained in detail to check and repair the faults seqencially using step by step techniques .we have taken care of every aspect of fault finding such as cold testing ,hot testing software conditions etc.and included all these in post with complete knowledge of repairing such faults, the techniques give in this post also guide you to repair other phones also

1-check the battery &battery connector 

2-check the power on/off key

3-check the 3.6v  on key connector(charging OK no power )

4-proper connect B to B connector

5-check the voltage on pin 5 of B to B connector

6-sold the jumper according to picture 

7-check the shorting on  battery connector (+,-)

nokia 5310 dead solution

  short mobile

1-clean the PCB by cleaner

2-check the FEM & PWR ic after remove.

3-check the indicated voltage

4-change the PRW IC when voltage not found

5-resold the RAP IC

6-DO FLASHING