W200 Insert SIM Solution (Very Simple) 3 Attachment(s) Hello, I was facing this failure today, so I search over the forum and I find this solution. But it didn't work for me, so I search the schematics for K510, since for W200 I couldn't find it. And I trace back the circuit to the SIM Connector, removing one more capacitor and a zener diode connecting to the SIM VCC, originally this solution removes one capacitor connected to this contact. But still no solution at all. So reading the schematics, I find a resistor between the SIM VCC and the SIM DATA conector, while checking the conection between de resistor and the SIM DATA conector I found there was no conectivity at all, then I realize that giving some pressure to the pin the multimeter beeps, then resolder using a 20x magnifier and finally the solution arrives. Hope can help somebody :) You can see in the attachment the before and after pictures of the connector. BR.- |
I had faced the same problem on others SonyEricsson phones like k310,k320,w200... Reballing simreader pins is the first thing to do when dealing whith a SE phone ;) |
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But the funny thing here (and this is why I post it), is that sometimes you just heat the pcb and think it's already re-soldered, or in some manner you think that may forget about bad soldering. Or sometimes also, you just don't start the easy (obvious) way hehe Thanks, BR.- |
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