Xperia Tipo ST21i Consistent Vibration - GSM-Forum

munnibhai · 08-19-2014, 11:05

Hello,
I have this customer's ST21i which is dead on arrival, apparently.

It starts, and keep on vibrating continuously as soon as I:
1. Plug in Battery
2. Connect cable Without batter
3. Connect Cable with battery

There are no flashing lights, no sign of life except it is vibrating.
I opened the to chechek the board and connected only board and it just keeps vibrating.

There are no signs of water damage on board, couldn't notice any broken ICs or anything at all. There is no info given by customer, by him, just that it doesnt work

I am requestion information about what could be possible wrong with board and if it can be repaired?

Ionel · 08-19-2014, 12:07

Check if there is short between + and GND .

08-19-2014, 11:05	#1 (permalink)
munnibhai Freak Poster Join Date: Mar 2013 Location: Barcelona, Spain Age: 39 Posts: 121 Member: 1894707 Status: Offline Sonork: 100.1658432 Thanks Meter: 51	Xperia Tipo ST21i Consistent Vibration Hello, I have this customer's ST21i which is dead on arrival, apparently. It starts, and keep on vibrating continuously as soon as I: 1. Plug in Battery 2. Connect cable Without batter 3. Connect Cable with battery There are no flashing lights, no sign of life except it is vibrating. I opened the to chechek the board and connected only board and it just keeps vibrating. There are no signs of water damage on board, couldn't notice any broken ICs or anything at all. There is no info given by customer, by him, just that it doesnt work I am requestion information about what could be possible wrong with board and if it can be repaired?

08-19-2014, 12:07	#2 (permalink)
Ionel No Life Poster Join Date: Sep 2004 Location: Romania Age: 42 Posts: 1,598 Member: 81232 Status: Offline Thanks Meter: 196	Check if there is short between + and GND .