As a side note on this subject...I recently completely submerged my phone in
water. Due to the wonderful suggestions I read here (and a suggestion from a
coworker) I was able to fix my phone (without ever having to contact my
wireless provider! ) THANK YOU ALL for your suggestions and insights! It is
one of the original LG chocolate sliders with the touch sensitive buttons.
(I did not have the insurance and my warranty would have been voided so you
all saved me the ridiculously expensive retail replacement price of that
phone!) I was very impressed not only by the mechanical construction of the
phone itself but by some of the parts and other construction used. I saw
some of the "neatest" connectors, etc. and the way it all fit together was
very intricate. I had a hard enough time getting some of the parts of it
back to together that it is a wonder they can be mass produced... The fact
that I was able to fix at all it's a testament to both TechNet and the
clever designer of the phone. When I first opened it up my "dot" was pink,
not red, even though it was completely submerged under running water,
although it did turn a darker red shortly after I opened it up. If that says
anything about the sensitivity to you. (the dot on mine was located just
inside the battery panel)
Thanks again to all those who "saved" me :-)
Dharma
KAW/USA Ltd.
39 Simon Street, #4
Nashua, NH 03060
603-886-8711 x212
603-881-8763 fax
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-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Creswick, Steven
Sent: Friday, September 21, 2007 12:40 PM
To: [log in to unmask]
Subject: Re: [TN] Friday NTC - water logged cell phone repair
Doug - Am cleaning up some files. A little late, but the 3M sites says they
are supposed to be sensitive to water only, not humidity.
Product found on 3M site
http://multimedia.3m.com/mws/mediawebserver?66666UuZjcFSLXTt48&anxf_EVuQ
EcuZgVs6EVs6E666666--
Water Contact Indicator Tapes for 3M change upon contact with water
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas O. Pauls
Sent: Monday, August 13, 2007 12:54 PM
To: [log in to unmask]
Subject: Re: [TN] Friday NTC - water logged cell phone repair
Gary,
Do these dots turn red in the presence of liquid water or any water? It
would be interesting to know how humidity affects such dots. It is pretty
humid here in Iowa these days.
Doug Pauls
Gary Crowell <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
08/13/2007 10:27 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
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To
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cc
Subject
Re: [TN] Friday NTC - water logged cell phone repair
Convenient thread, I have just gotten a blackberry from a friend that
was dropped into a cup of soda pop - it may require some extraordinary
measures to unstick it.
Also, we noticed recently that when we called in for warranty repairs on
another phone, they asked us to look in the battery compartment and see
if there was a red dot. The dot is a moisture detection sticker:
normally white, it turns red in the presence of water. I imagine a lot
of people have been caught wet-handed that way.
I've seen those dots in about half the phones I've looked in, though in
some they may be deeper inside. They come in various sizes and shapes;
typically about 1/8" in dia. Made by 3M.
Gary
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
> Sent: Friday, August 10, 2007 6:48 AM
> To: [log in to unmask]
> Subject: Re: [TN] Friday NTC - water logged cell phone repair
>
> Well actually the paper is just looking at bare boards, but
> the work was
> to support was Denny has said.
>
> Just the act of spilling stuff onto/into your portable device
> will void
> most warranties. The problem we have is people don't tell us and want
> us to fix their mistake at our expense.
>
> So, if you want to fool around with the device after a
> mistake, it might
> work and it might not or it might work for a while. We are a Class II
> company and all the parts we buy are not guaranteed to be hermitically
> sealed - thus my questions about non-aqueous cleaning earlier.
> Bev
> RIM
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Dennis Fritz
> Sent: Friday, August 10, 2007 8:37 AM
> To: [log in to unmask]
> Subject: Re: [TN] Friday NTC - water logged cell phone repair
>
>
> In a message dated 8/10/2007 3:23:29 A.M. Eastern Daylight Time,
> [log in to unmask] writes:
>
> with all knowledge from u gurus I know it cannot happen as
> electronics
> is so
> rugged today. so I open it up, separate the PCBs remove the
> camera and
> ultrasonic clean the assemblies in pure IPA. Bake at 75 degC
> for 1 hour
> and
> its OK.
>
>
> Strongly suspect that Bev Christian (RIM- Blackberry) and others in
> telecom
> may have strong comments on self repair procedures.
>
> Bev will have an interesting paper at next IPC Expo on
> reverse analysis
> of
> returned Blackberries, and "CSI - Miami" type analysis of what these
> little
> electronic marvels get dropped into. Stay tuned.
>
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