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Author Topic: LCD screen  (Read 1325 times)
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odsk
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« on: March 20, 2012, 02:46:22 02:46 »

Hi All,
I have an issue with one of my TV's due to water damage, I did find the item on ebay but my question is how to connect (solder) it?
here is the link to the part:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=140531242500#ht_8846wt_1163

And a picture of my LCD attached. basically the whole right side connections to the screen needs to be replaced (3 flex cables).
thanks
ODSK
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Old_but_Alive
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« Reply #1 on: March 20, 2012, 04:25:47 04:25 »

it looks tough.

my only suggestion is the solder wicking method.

get some desoldering braid (thin stuff, probably 1.5mm)

see http://www.ebay.co.uk/itm/250889993925?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649

then see the Sparkfun tutorial on soldering smd devices.( there are several, so check them all out), but here's the most appropriate

http://www.sparkfun.com/tutorials/96


cant guarantee it, but its how I would attempt it

Mike
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odsk
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« Reply #2 on: March 20, 2012, 04:58:10 04:58 »

thanks,
but the thing, is that I am referring to the other end, which is attached the glass of the LCD. I am comparing it to flex cables in calculator for example between the board and the glass.
there is not solder but kind like glue.

ODSK
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Old_but_Alive
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« Reply #3 on: March 20, 2012, 05:50:05 05:50 »

your photo doesnt make it clear.

maybe that the "glue" is in fact glue, and is only there to give mechanical strength.

underneath, it may be smd soldered.

if so, you will need a hot air gun to heat up, soften the glue, which can then be removed with  a paper towel, to expose the soldering.

in any event, this is very delicate stuff, and you will need to take great care with the temperatures
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