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Sony Ericsson Hardware Repair Post here your Hardware Repairing Hints or Problems with SonyEricsson and Sony Phones. |
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03-14-2010, 14:59 | #2 (permalink) |
Freak Poster Join Date: Oct 2009 Location: Sri Lanka Age: 39
Posts: 153
Member: 1142667 Status: Offline Thanks Meter: 16 | check contact of vibrator. remove vibrator and test it with 3V (two AA battery or phone battery) |
The Following User Says Thank You to pavithra_uk For This Useful Post: |
03-18-2010, 17:12 | #8 (permalink) | |
Freak Poster Join Date: Oct 2009 Location: Sri Lanka Age: 39
Posts: 153
Member: 1142667 Status: Offline Thanks Meter: 16 | Quote:
ALSO CHECK LCD CONNECTOR CHECK LCD BACKLIGHT LED DRIVER. did you heared startup sound ? | |
03-19-2010, 01:02 | #9 (permalink) | |
No Life Poster Join Date: Mar 2008 Location: Irvinestown
Posts: 839
Member: 719399 Status: Offline Thanks Meter: 228 | Quote:
No, I haven't heard any sound. You think that's the flex(but which one?-the one that goes from keypad membrane to the main board. I've already checked the flex that goes from keypad to the top of the phone. So maybe that flex that goes to the board. Lcd connector is good, I have no doubt. LED Driver? Thank you for support | |
03-19-2010, 16:30 | #11 (permalink) | |
Freak Poster Join Date: Oct 2009 Location: Sri Lanka Age: 39
Posts: 153
Member: 1142667 Status: Offline Thanks Meter: 16 | Quote:
check TP4200 voltage (V4201 anode voltage) it must be lager than battery voltage. may be 12~16V If you didn't hear startup sounds, I suspect phone may not turn on correctly. what happens if it connect to computer? | |
The Following User Says Thank You to pavithra_uk For This Useful Post: |
03-20-2010, 10:58 | #12 (permalink) | |
No Life Poster Join Date: Mar 2008 Location: Irvinestown
Posts: 839
Member: 719399 Status: Offline Thanks Meter: 228 | Quote:
I ordered the flex that goes to the main board and see what happens. I flashed the mobile so detects fine. Thank you for help | |
03-23-2010, 05:45 | #15 (permalink) | |
Freak Poster Join Date: Oct 2009 Location: Sri Lanka Age: 39
Posts: 153
Member: 1142667 Status: Offline Thanks Meter: 16 | Quote:
C905 is one of the SE's worse phone ever made. every phone had its own fault. replace whole mobile if you can. or if can find another C905, you can check your motherboard with it. dark screen can cause due to lot of faults LCD Upper keypad flex Main Flex Motherboard (LED driver etc..) Software fault (GDFS fault etc..) did you get new one or used one ? don't buy this crappy phone again. In here (SriLanka) new C905 price = 600+US$ and used one going for 200$ or less. sorry about your phone. | |
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