fault finding easy way

[qureshi]

nokia 7210 sim ic checking----
In this method we select multimeter in buzzer range after that red pin of meter put on gnd(-ve) and black on sim tray pin if following value (near about)come then ic is ok if one pin or all pin dont have the value
that means ic is faulted ----some more solution
[IMG]http://4.bp.********.com/-97DWTpJ4xuE/TmNGpRgDkyI/AAAAAAAAAJA/crbPmQBgVGc/s320/sim+gnd.PNG[/IMG]
[IMG]http://4.bp.********.com/-4uiUAaDVrt4/TmNHDahgRqI/AAAAAAAAAJE/0VimYP11lpE/s320/sim+nc.PNG[/IMG]
[IMG]http://3.bp.********.com/-OHVcOHfizxg/TmNMNWlfM7I/AAAAAAAAAJc/9CTlx2_zaYM/s320/sim+data.PNG[/IMG]
[IMG]http://4.bp.********.com/-LYDEpjvbZUk/TmNNbN05MII/AAAAAAAAAJk/PuvAYnVtk78/s320/sim+rst.PNG[/IMG]
[IMG]http://2.bp.********.com/-CGZdybDerkU/TmNOgb-l6fI/AAAAAAAAAJs/vtWMZ96PYbA/s320/sim+clk.PNG[/IMG]
this pin come from power ic(uem)-->
[IMG]http://1.bp.********.com/-7SyCRT-scuU/TmNNyLqlpKI/AAAAAAAAAJo/OSG0d6MTOUs/s320/vsim.PNG[/IMG]

[qureshi]

buzzer ic & line checking
red pin gnd & black on buzzer tip
following value should come(about)
if value dont come then any coil open
or ic is faulted

[IMG]http://3.bp.********.com/-aqLgujojzog/TmNQhFmT2pI/AAAAAAAAAJw/YzSUioLSyiE/s320/buzzer.PNG[/IMG]
[IMG]http://4.bp.********.com/-CSImlLwCsaQ/TmNRB48lrGI/AAAAAAAAAJ0/a2DmWyerdAA/s320/buzzer2.PNG[/IMG]

[qureshi]

if earpiece no voice then likewise value checking
[IMG]http://1.bp.********.com/-PDblB6kov_w/TmNU9DkATLI/AAAAAAAAAJ8/Bk1aPqwmG-Y/s320/speaker.PNG[/IMG]
charging--

charging cheking--
if any value dont come

then fuse or coil is open
[IMG]http://3.bp.********.com/-leDQbp6YjWc/TmNV1k75EMI/AAAAAAAAAKE/5sLraSK-GSo/s320/charging.PNG[/IMG]

[snmobilecenter]

good bro come up and share more YOU ARE SEEMS GOOD .............. up up up bro...

sn

[bablu8791]

thanks very easy ways to understand

[sanjeev 2011]

this is the new method of repairing i like it good hardworking post

[Wites OM Tesla]

For me it's the best way checking with multimeter before replacing some component.
Very good share of experience to people that don't know about this!

[Wites OM Tesla]

With this method you can check lcd connector,before replacing
lcd or lcd ic/filter.

[chandan_123]

what a joke bro....................................

[sanjaykhanna]

really easy way for cheking

[samir1122]

Very nice, i want more, coz m new here for learning

[Wites OM Tesla]

Originally Posted by chandan_123

what a joke bro....................................

Did you smoke too much cannabis???
http://www.drgreenstore.com/images/c...abis-seeds.jpg

[Geraldon]

ahahahahaha very funny ahahhaha

[Geraldon]

ahahahahaha very funny ahahhaha