[mdlug] Laptop repair question

[Aaron Kulkis]

Ingles, Raymond wrote:
>  My niece handed me her Sony VAIO (can't remember the model number), and
> I confirmed that the backlight isn't working. You can, in bright light,
> sometimes see a shadowy image, but that's it. Things show up fine on an
> external monitor, though.
> 
>  Now, a little Googling has shown I can get a replacement CCFL bulb for
> ~$12, or a whole screen for $90-$100. I'm pretty sure the backlight is
> the only real problem; the LCD panel itself seems to be working okay.
> I'm reasonably sure I can disassemble and reassemble it, but I'm not
> sure what's involved in replacing the bulb; I haven't done that before.
>

usually desoldering/soldering.

Heat up the solder, and remove with solder-wick (basically woven
metal wires which draw up solder the same way that a cotton
wick will draw up water or kerosene), until you can detach
the connection.  Repeat on other lead.

Using electrical (rosin-core) solder (avoid ANY solder with
Bismuth in it, as the current solder could contain lead, and
Bismuth + Lead => extremely low melting point ( < 100 C)

>  Has anyone carried out a similar repair? Any tips or suggestions?
> 
>  Sincerely,
> 
>  Ray Ingles                                        (313) 227-2317
> 
>  "Science is not a religion. If it were, it would have a lot more
>                      funding." - Anonymous
> 
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