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  #1 (permalink)  
Old 20th August, 2003, 03:37 PM
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TFT Repair

I'm back at last. The motherboard survived the move even wit that broken resistor (if anyone remembers me posting about that). But my TFT now has a scratch in it. I was wondering if anyone knew of a way to repair this; I was thinking something along the lines of a chemical that slightly melts the surface allowing you to smooth it all over like they have for repairing CDs.

I have a duff laptop screen I can test this on before I damage my Samsung 15" anymore.

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Note on the folding rigs, it's getting an upgrade and improved H2O cooling, then I'll be back on the team.

Stu
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Old 21st August, 2003, 01:20 AM
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I'm no help, I don't know what a TFT is.

But I'm very glad your move went well and that you back among us and posting again!
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Old 21st August, 2003, 04:10 AM
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Quote:
Originally Posted by stigweed
I'm back at last. The motherboard survived the move even wit that broken resistor (if anyone remembers me posting about that). But my TFT now has a scratch in it. I was wondering if anyone knew of a way to repair this; I was thinking something along the lines of a chemical that slightly melts the surface allowing you to smooth it all over like they have for repairing CDs.

I have a duff laptop screen I can test this on before I damage my Samsung 15" anymore.

p.s.
Note on the folding rigs, it's getting an upgrade and improved H2O cooling, then I'll be back on the team.

Stu

Good to see you on the board, Stigweed!
Don't do anything to your TFT until you get authoritative advice. They are bizarre(compared to good old glass on a CRT) and very fragile screens.
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Old 21st August, 2003, 12:18 PM
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There are some nice fine abrasive compounds that can be used to polish the scratch out, depending on how deep that scratch really is.

I've seen people use Solvol Autochrome on plastics to remove scratches. It is apparently good enough to bring Aluminium up to a proper mirror finish.

How well it'll work on TFTs I've no idea however.
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Old 21st August, 2003, 03:52 PM
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Thanks for the input. I'll email Samsung, they were pretty informative when I told them I had a dead pixel within a month (they basicaly said it was inevitable but explained the reasons manufcaturing process in some detail).
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Old 21st August, 2003, 03:54 PM
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Quote:
Originally Posted by Daniel ~
I'm no help, I don't know what a TFT is.

But I'm very glad your move went well and that you back among us and posting again!
Total Flat Tube i think
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Old 21st August, 2003, 05:22 PM
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TFT in this case is a type of LCD technology.

It stands for Thin Film Transistor. Traditionally, Transistors are made out of a wafer of silicon, and they use the bulk silicon as the active (IE switching) layer. That's cool, except that a wafer of silicon is most definately not transparent.

So, instead, the manufacturers deposit a thin film of silicon on top of a glass substrate. This layer of silicon will contain the transistors used for switching the LCD elements on. Hence, they called them Thin Film Transistors...
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Old 21st August, 2003, 07:08 PM
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Cool. What is the life expectancy of a TFT screen compared to a good picture tube monitor, fade rate, if you happen to know?
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Old 21st August, 2003, 07:24 PM
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The TFT itself will last pretty well. The cold cathode tubes used to light the TFT might not last as long, depending on their quality.
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