Hey guys,
I've got a water damaged S2.
did all of the usual, washed it in isopropanol etc
The phone accepts charge and displays the yellow triangle and the high temperature prompt but it wont turn on. The places that get scorchingly hot are circled below:
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I've tried replacing the USB flex cable to no avail.
there was some slight charring on all 3 of the chips, and I've tried cleaning them all. The one on the far right is the USB flex cable connection. after that is the connection to something on the screen. and the far left is a mainboard heatsink with a chip on the underside that had some corrosion which I cleaned up.
My question is, is it worthwhile reflowing the joints where they have become a little black. I've got some liquid solder, flux and a heat gun and wanted some advice. I may aswell try it seeing as the motherboards going in the bin anyway but wanted some ideas on how to go about doing it.
Thanks very much in advance!
Mubs
try cleaning and total drying it again wait for some time an see..if its gone then its a waste....good luck
Cheers for the reply fella,
Been in hospital the last fortnight so have not been able to do much with this.
Unfortunately the wash and wait didn't work.
Does anybody have any further ideas?
Cheers.
Related
does anyone else get this? is there anyway of fixing it. Happens rarely but still really annoying, got to restart my prime to fix it :S
Also sorry if this has been asked before, I had no idea what to search to find a similar thread
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Seems broken, usually when you have this with LCD's in laptops it's the ribbon cable between the mobo and LCD. With a tablet it's probably something similar, no ribbon cable but probably a sandwich connector of sorts between the panel and mobo. I'd say you need to return it...
edit: typo
involver said:
Seems broken, usually when you have this with LCD's in laptops it's the ribbon cable between the mobo and LCD. With a tablet it's probably something similar, no ribbon cable but probably a sandwich connector of sorts between the panel and mobo. I'd say you need to return it...
edit: typo
Click to expand...
Click to collapse
it only happens every now and then is it still likely to be what you said? and I'm waiting for primes to be better before RMAing it unless it becomes unuseable
Part of the screen, marked out on attached picture, bends under pressure. One guy said it's mounted on 2-side duct tape, and glue is often too weak to hold it. It drives me crazy, is there any easy way to attach it firmly? Maybe superglue via syringe? I googled some photos of atrix, and this problem is seen on many of them. Battery cover have nothing to do with this, something is attached lousy inside the main part of the phone. Sorry for my terrible english .
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Please help me. This thing is driving me crazy.
Buy some super glue. They sell many different types at your local store. Next question!
MB860, CM7.2.0, Faux 026b1 1Ghz
Soldier-2Point0
Really harmful advice, it would be hard to detach glued parts if needed. Also you will have to disassemble phone to glue it, superglue will dry out in syringe before you use it. Please don't give advices if you don't know nothing about subject, it can possibly cause harm. Message counter is not that important.
I'll try some simple glue via syringe and report here.
I recently replaced by usb flex cable because the usb port wasn't charging the phone properly anymore (2nd time I might add).I noticed that my reception was incredibly poor after this so I tried to put the old one back in, but now the reception isn't any better in a lot of placed, though I think its back to LTE speeds for data when its available whereas before it wasn't but it many places I get no reception at all or very poor reception.
I may have damaged a little cable/plugin on the flex port, but i'm not sure what it is. Can anyone identify this? (picture)
i35 DOT tinypic DOT com FORWARDSLASH 212ii53.jpg
It won't let me post links so I hope this works
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maybe that part powers the antenna?
I think you might have accidently unplugged something somewhere else on the phone when you replaced the board. Or you ruined the actual lil wire that attaches to the receptacle in the pic you posted. If you swap boards shown in the pic and it doesn't fix problem it's something else.
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My so left it on the kitchen dresser. When I picked it up (because it was bootlooping) the water came dripping out. I think most of it was in the seams between the cover, but there were some substantial drops in it, but only on the plastic parts.
I placed it immediately in rice to dry with the back removed. It still booted afterwards, and everything seemed to be functional (wifi, rotation, camera etc.). Only charging doesn't work. Ran battery endurance test to heat it up a little extra, but charging still doesn't work.
I see some corrosion a little above and to the left of the battery. Other than that I cant spot anything unusual. How do I check which part is the problem?
Yikes.
You could... send it back to HTC, and let them tell you what is wrong with it, then perhaps buy the part yourself and install it.
With any electronic, I would disassemble it and assure that every part is clean & securely fit.
Maybe the smart chip in the battery shorted? Maybe only the battery needs replacing. I have no idea how to confirm that.
Good luck, man.
MXQ PRO 4K S905XX_V2.0
I got this one used, dead. Located the problem to be the transistor at the power plug and I can not find out what it is, pictures online don't get close enough. Anyone have one nearby that they could check? Might not matter if the board is exact but would help.
Shorting the pins it turns on and loads up, just don't want to bridge it.
The bottom one says 2 A and seems to be a transistor. The top blown one could be a tvs or zener diode judging by other tv box pics that I have been able to see.
Update. Luckily no one ever replied. I Tried various SOT-23 transistor looking chips out of a dish network box and found a winner. --- A05
So if your's pops, there you go.
Thanks
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I have a mini m8s ii that just gets hot but couldn't see any issues on the board. Thanks. Maybe I can check again. BTW which pins did you short to get it to boot?