Tushuer

Well-known Member
Joined
Aug 31, 2010
Posts
606
Likes
25
answer: Solution of identify nokia phone shorting

check shorting in nokia 2690.....rm-635...


1..Remove this ic n1002 mark in (1)...if u want to check the pf N1002 this pf based on new tecknology... this this ic got +b from batery ic ... this ic work for network..but it has very few chance to get short...


2..Remove ic N1001 mark in (2) ..if u want to check it ..this is rf ic based on new tecknology ...this ic got +b from batery ic ... this ic work for network...but it has very few chance to get short....



3..Remove this coil mark in (3)..if u want to check the light ic N2301 is short....


4..remove this coil mark in (4) ..if u want check the handfree ic n2000 is short...


5..Remove N3200 ic mark in (5) ...this is memory card driver ic .remove it to check shoting is gone or not....


6...Remove this ic n6001 mark in (6)..this is blutooth & radio ic remove it to check shoting is gone or not because this ic also got +b volt from battery....


7...remove these two capcitor mark in (7) to check shorting these capcitor got shorting due to water damage ...,



at end remove betty and avilma ic to check shoting is gone or not........


all the component which are mark in pink colur these all are coils and resistance these are place in series and +b of batery is gone throw them so if u remove the coil and resistance u not have to remove ic to check the shorting in pcb it save time and ur ic ....

2690.jpg
 

Tushuer

Well-known Member
Joined
Aug 31, 2010
Posts
606
Likes
25
answer: Solution of identify nokia phone shorting

check shorting in nokia c3...and some usefull info about nokia new ics...

1...remove the n2301 ic mark in (1)...it is the light ic ..it got +b ....(this ic is same as nokia 1600 light ic.)

2...remove the coil l2814 mark in (2)...to check the shorting cause by n2801 ic..its the ringer ic ...(this ic is same as nokia 1600 ringer ic.)


3...remove the ic n2000 mark in (3)...it is headset ic...this ic got +b ..(this ic is same as nokia 7210 headset ic.)

4...remove the ic n6300 mark in (4)...it is bluetooth,fm,wifi ic...this ic got +b....



5...remove the ic n7500 mark in (5)...it is pf in built with rf ic....this ic also got +b ...



6...at end remove ic n2001 (loviisa)...it is power ic of the handset ...


all the component which are mark in pink colur these all are coils and resistance these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic ....


changes made by nokia in this handset...

1..nokia use the old light ic as use in nokia 1600...


2..nokia use the old ringer ic as use in nokia 1600...


3..in this handset the nokia change the memorycard ic ..this ic does not got +b ..it is directly connected with cpu(juno)..and power ic loviisa made volt (vamp2) for it..


4..volt for camera also make by loviisa(power)..


5..speaker,mic & vibration connected with juno(cpu)..


6..sim is also connected with juno(cpu)


nokia introduce two new ic .loviisa and juno ....

function handel by loviisa and some usefull info about it ...

1..n2201 (loviisa) is the power ic of the handset..


2..loviisa make the volt for whole ics in the pcb ex,


vcore & vmem for cpu and flash..


vsim for sim..


vcam for camera..


vamp2 for memorycard..


volt for rf parts..



3..charging and usb interface is also connected with loviisa ...


4..power on/off key is also connected with it..



function handel by juno (brodcomm) and some usefull info about it ...

1..juno is is the cpu of the handset but it also controls the other function of the handset...


2..juno is directly connected with sim ,memorycard,camera ic ,speaker ,mic,vibration ,etc...


3..lcd and keypad are also connected with juno..


4..rf section is also connected with juno...

c3.jpg


c3-1.jpg
 

Tushuer

Well-known Member
Joined
Aug 31, 2010
Posts
606
Likes
25
answer: Solution of identify nokia phone shorting

Nokia 5800 no power done in hard solution

full short 100 ok

DSCN1350.jpg


DSCN1372.jpg
 

Tushuer

Well-known Member
Joined
Aug 31, 2010
Posts
606
Likes
25
answer: Solution of identify nokia phone shorting

check shorting in nokia x2-00 rm-618....and some usefull info about nokia new ics...



1...remove the coil l2401 mark in (1)...to check the shorting cause by the light ic....(this ic is same as nokia 1600 light ic.)


2...remove the coil l2820 mark in (2)...to check the shorting cause by n2802 ic..its the ringer ic ...(this ic is same as nokia 1600 ringer ic.)


3...remove the coil l2814 mark in (3)...to check the shorting cause by n2801 ic..its the ringer ic ...(this ic is same as nokia 1600 ringer ic.)


4...remove the coil l1410 mark in (4)...to check the shorting cause by n1400 ic..it is flash light driver ic...


5...remove the ic n2000 mark in (5)...it is headset ic...this ic got +b..


6...remove the ic n7500 mark in (6)...it is pf in built with rf ic....this ic also got +b ...


7...at end remove ic n2201 (loviisa)...it is power ic of the handset ...


all the component which are mark in pink colur these all are coils and resistance these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic ....


changes made by nokia in this handset...

1..nokia use the old light ic as use in nokia 1600...


2..nokia use the old ringer ic as use in nokia 1600...


3..in this handset the nokia change the memory card ic ..this ic does not got +b ..it is directly connected with cpu(juno)..and power ic loviisa made volt (vamp2) for it..


4..volt for camera also make by loviisa(power)..


5..speaker,mic & vibration connected with juno(cpu)..


6..sim is also connected with juno(cpu)


nokia introduce two new ic .loviisa and juno ....

function handel by loviisa and some usefull info about it ...

1..n2201 (loviisa) is the power ic of the handset..


2..loviisa make the volt for whole ics in the pcb ex,


vcore & vmem for cpu and flash..


vsim for sim..


vcam for camera..


vamp2 for memorycard..


volt for rf parts..



3..charging and usb interface is also connected with loviisa ...


4..power on/off key is also connected with it..



function handel by juno (brodcomm) and some usefull info about it ...

1..juno is is the cpu of the handset but it also controls the other function of the handset...


2..juno is directly connected with sim ,memorycard,camera ic ,speaker ,mic,vibration ,etc...


3..lcd and keypad are also connected with juno..


4..rf section is also connected with juno...

x2-1.jpg


x2.jpg


x2-2.jpg
 

Tushuer

Well-known Member
Joined
Aug 31, 2010
Posts
606
Likes
25
answer: Solution of identify nokia phone shorting

check shoting in 5200 and 5300.....

1..remove this coil mark in (1)...if u want to check is pf is short,.....

2..remove this coil mark in (2)..if u want to check rf ic is short because rf ic also got +b volt from battery....

3..remove this coil mark in (3)..if u want to check blutooth ic is short because bluetooth ic also got +b volt from battery....

4..remove this ic ..if u want to check the v.camdig maker ic ..this v.camdig maker ic got +b from batery....

5..remove this coil mark in (5)..if u want to check the light ic is short....

6..also check the memory card driver ic n3200 it also got +b it can be check by only removing this ic.....

7..at end remove retu and tahvo ic...

all the component which are mark in pink colur these all are coils these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic ....

Download nokia short solutiom by mr.benua3.rar from Sendspace.com - send big files the easy way
 
Top