Flex connector (LCD to Panel Board)

[dbtsat]

Hi to everybody,

This is my first post...I'm fixing samsung lcd tv(LN-T44661F) the problem is 3 flex connector from lcd to small top panel are totally out or no connection, is any body try to fix this problem? i know its not easy...but i want to fix it just for fun...i have some some tools to do it (Microscope,heatgun...)the only i need is instruction or advice on how to do it.

Thanks in advance for any suggestion or help.

dbtsat

[selldoor]

Re: Flex connector (LCD to Panel Board)

Close up pictures of the cable ends might help us to suggest a repair.
Check that the connectors are not damaged.

[dbtsat]

Re: Flex connector (LCD to Panel Board)

Thanks a lot for a quick reply...here is a pictures taken from my scrap unit.

thanks again...

[cashkennedy]

Re: Flex connector (LCD to Panel Board)

These are applied in the factory with a special conductive glue that only conducts in 1 direction (Anisotropic conductive adhesive). They put a coating across the contacts then lign up the contacts perfectly using a microsocope then the lcd is heated moderately to set the adhesive.

Generally this is not fixable by a normal person.

[Jasgriff]

Re: Flex connector (LCD to Panel Board)

I didn't know that's how they were fitted that's a good bit of info!

I do hear that sell door has microscopic eyeballs maybe you could post it to him and he can sold a tiny cable from each trace :-)

[dbtsat]

Re: Flex connector (LCD to Panel Board)

Thank you very much for the info...i will check at work if we have a conductive glue and i will try to fix it ...i have a 10x microscope to use...i will post if i have luck to fix this....just for fun!

Thanks again...

[cashkennedy]

Re: Flex connector (LCD to Panel Board)

I have heard a few people claim to fix the flex cables on simpler devices like cheap monitors and old cell phones, but I think its increasingly hard on 1080p televisions. Theres a video of indian kid on youtube showing how to fix lines on a LG tv i think that might involve reinforcing the glue on the flex cable, i never watched the whole video though cause it was long.

I dont buy / or have any lcd's with those sorts of issues, but if i had one id probably try resetting it with a hot air gun, assuming you didnt clean off the adhesive residue from the tab and surface it bonds to.