Hardware problem tornado

[supervaags]

hello all,

after my tornado fel into the water i have a major problem.
sometimes i cant call, and when i try to call i only hear 2 soft "beebs"

sometimes when i am able to call it automaticly breaks the connection and again i hear the same 2 "beebs".
also sometimes people cant call me, but the screen says i have an connection.

i already put a new rom on the phone but it doesn't help so i ques it is a hardware problem.

I have another tornado for spare parst, does anyone know what this is?
maybe the antenna?

thanks in advance

 

[gutek85]

It may be an antenna, but not for sure. You can try to disassemble Tornado and clean antenna connectors with any pure alcohol. If it doesn't help, it's PBA problem.

 

[tobbbie]

First you should have disassembled it completely and let it dry in all parts before using it again. Depending on how long it was in the water this may take some time. Taking fabric cloth and pressurized air can get it dry in a few minutes, but only if taken apart. Take care to remove the metal lids on the PBA as well and look inside for moisture.
There are no parts inside that take permanent damage from water if the device is without battery, but if it was on - end even used wet inside - then your prospects are variable. I would guess nevertheless that it should work again after all has dried.

 

[supervaags]

thanks guys for the reply's,


i forgot to say that the phone felt into the water 1,5 moth before i started this topic. and 1 disambled the phone serveral times to make sure it was dry.

so inside it is dry now, but i tryed to use the phone with battery even when it was wet inside, so maybe that its where it went wrong.

what is the PBA? and where can i find the antenna connectors?
i already removed that metal box, and the chips underneath looks verry good. no corosion or what ever.

 

[tobbbie]

If you took everything apart already, then you should have seen the antenna connectors. The Antenna is located in the top cover at the back (above the battery cover). It connects via the two spring supported contacts on the upper part of the PBA (Printed Board Assembly). Both parts are gold plated, so it should not be a problem there.

Regarding the metal lids, take care to remove all of these (3). They are located underneath the keyboard (with the OMAP processor, RAM and the M-Systems DiscOnChip) on the same side of the PBA for the Radio and underneath the LCD.

As some chips are BGA soldered (soldered from underneath; BGA = Ball Grid Array), take care to blow with air also underneath (between PBA and CHIP). There is a very tiny gap between these and water hidden there may not dry for along time (if it has reached the area anyway).

However, the 2 soft beeps usually indicate that there is no free channel for you to be served (as far I remember) - you would get this problem with any other handset as well (same SIM assumed). It is a highly temporary problem (just retry) and you will not get evidence if you swap the SIM to another handset and retry there - network capacity has changed in the meantime and you would get a connection with the tornado as well.
If you experience call drops or other different behavior (compared to earlier) it may as well be attributed to a HW problem with the radio part in your device.

 

[supervaags]

at this moment i use my htc hurricane with the same SIM card and i dont have any problems anymore.
so it is really a problem inside the phone. i havent used the tornado for 2 months now because it gets really anoying after a while.

i will take it apart for an another time, an blow some air underneath the chips as you say.

another symptom what i had was that sometimes the GPS connection was disconnected, and that the phone was searching for a signal for a long time.
but when i puted the sim card in my hurricane i dind't had any problems with the signal.

thanks again.