Re: Happy Fun Band...

Maybe , while you're at it anyway, you can re-paint the phospor on the inner
site of the screen to get rid of the screen bur... :)

Are you really serious of breaking the seal and pump it vacuum again? Could I
use this technique to fix a tube that has a hairline crack on the neck? (or
would the heater be burned?)

Cya !

James Nelson wrote:
>
> Disclaimer: Don't anyone go out and do anything suggested below:
>
> The way I do tube repair is this.
>
> 1. first put on all the safety equipment - face masks, gloves, etc..., then
> carefully puncture the little tip at the end of the tube, but with some
> vacuum gum on the puncture area.
> 2. through a small capillary tube, allow the vacuum to fill with air.
> 3. Next, safely remove the band and replace the ears, and make sure the
> strap is tight.
> 4. When that's done, pull vacuum on the tube with a good vacuum pump (which
> can be made from and old refrigerator compressor.)
> 5.With that done, carefully remove the capillary tube, but leaving the gum
> to seal the opening.
> 6.Now, power it up and it should work fine now, but with the corrected
> mounting tabs.
>
> If the picture becomes a little dim or blurred over time, go back to step 4
>
> Note that while the tube vacuum is released, you can do all kinds of neat
> things. My favorite is this:
> If the tube has bad gun(s), carefully scribe the perimeter near the end of
> the neck then tap the end to release the guns and socket.
> Now you can remove the electron guns and play with them and either fix them
> or change them out with a working set from another monitor.
> When replacing them be sure to pay close attention to alignment as it is
> critical. Seal the cut with vacuum gum and a strip of duct tape. and pump it
> down.
>
> If you feel daring, you can also scribe the edge of the tube so you can fix
> or replace the shadow mask.
Received on Sat Dec 11 13:43:48 1999