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<  General Toppy discussions  ~  'Sticky' Black Panther Front Panel

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js5800
Posted: Tue Mar 25, 2014 1:42 am Reply with quote
Frequent contributor Joined: 27 Jan 2009 Posts: 136
I think once this coating has started to go all you can really do is strip it off completely. Somebody suggested acetone (I don't know whether it was sarcastic or not) but that's a very bad idea as all that will do is melt the plastic fast.

I use it at work and if you accidently get some of it on just about any type of plastic it melts it (obviously not completely) within an hour.

I've got a really old BP 5800 and luckily it shows no sign of it but I've experienced it on other stuff.

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misterp
Posted: Wed May 14, 2014 2:32 pm Reply with quote
Frequent contributor Joined: 10 Jan 2006 Posts: 402 Location: Hull
Yeah, one of my Toppies went like that, I had to remove all the stickiness with solvent, Its never been in sunlight, I blamed heat from the old IDE HD.
mine went a funny colour too.
Steve

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db82407
Posted: Sat Jun 21, 2014 9:02 pm Reply with quote
Joined: 11 Sep 2005 Posts: 23 Location: London
I was completely unaware of this stickiness issue (as I never touch my toppy).

However, recently it has been rebooting every few hours, so I thought I'd swap it out for a spare I bought on eBay in 2011. In doing so, I stood the black toppy front panel down on the carpet, and now it's covered in fluff Sad

I thought the stickiness had come from the carpet, so at least I know!

BTW swapping to silver toppy and installing myStuff 6.5 has not fixed the rebooting.
I assumed it was the PSU, but I changed caps in 2011 and I've just checked that all voltages are fine.

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Derek
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ccs
Posted: Sat Jun 21, 2014 10:01 pm Reply with quote
Frequent contributor Joined: 30 Oct 2007 Posts: 2642
Did you swap over the disc drive??

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ccsx
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Geoff Bacon
Posted: Sat Jun 21, 2014 10:08 pm Reply with quote
Frequent contributor Joined: 12 Jan 2007 Posts: 4532
@db82407

and did you change all the capacitors? (in 2011, the advice was probably to change 6).

Geoff

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db82407
Posted: Sat Jun 21, 2014 10:28 pm Reply with quote
Joined: 11 Sep 2005 Posts: 23 Location: London
Geoff Bacon wrote:
@db82407

and did you change all the capacitors? (in 2011, the advice was probably to change 6).

Geoff



I got the kit of about 11 caps from andyfras - it excluded a few large ones.
I am aware that advice is now to replace all; but all voltages were spot on,
and I've just found and posted to this thread:
http://forum.toppy.org.uk/forum/viewtopic.php?t=20583&postdays=0&postorder=asc&start=15

Which exactly describes the recent reboots I've seen.

--
Derek

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andyfras
Posted: Fri Jun 27, 2014 10:21 am Reply with quote
Frequent contributor Joined: 25 Jul 2005 Posts: 3470
I've found a solution to the sticky rubberised coating - isopropyl alcohol. I used shaver cleaner, but hand sanitiser also works.

The clear coating can be wiped off leaving the black plastic with legends underneath. It doesn't look as good as the original, but at least it feels better and doesn't attract dust and fluff (and it's germ-free as a bonus!).

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billmars
Posted: Fri Jun 27, 2014 1:54 pm Reply with quote
Frequent contributor Joined: 17 Sep 2005 Posts: 761
Which is what I suggested back in March!!
http://forum.toppy.org.uk/forum/viewtopic.php?p=262167#262167

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andyfras
Posted: Fri Jun 27, 2014 8:37 pm Reply with quote
Frequent contributor Joined: 25 Jul 2005 Posts: 3470
So you did! I'm sorry for not trying it sooner.

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wgtwalker
Posted: Sat Nov 08, 2014 1:11 pm Reply with quote
Joined: 02 Sep 2006 Posts: 17 Location: London
Thanks to all who suggested isopropyl alcohol as a way of removing the sticky coating on the Toppy 5800 front panel. I used IPA ISOPROPYL ALCOHOL ISOPROPANOL LIQUID 99.9% bought off e-bay, and it worked beautifully - but the trick is to have PLENTY of cloth (I used a whole cotton T-shirt cut into strips) and to use a new piece of cloth for each application - rubbing an area with a piece of cloth wetted with isopropyl alcohol softens and lifts a top layer of the coating, but then that piece of cloth becomes contaminated and any further rubbing using that same piece simply smears the stickiness around. So discard it, wet another piece, rub again, discard... repeat seven or eight times. Eventually you will get down to the underlying plastic and will have lifted all the stickiness and smears.

I found that I was able to remove the stickiness and smears without removing the legends and logos.

As for why the rubberised coating went sticky... my Toppy was not in direct sunlight; at first I thought it was the combination of constant gentle heat (from the powered electronics in the toppy) + age which made the coating go sticky, but then I remembered that I had had a BT Vision remote control with exactly the same problem, and that didn't have any internal heat source, so I assume that the deterioration of the rubberised coating into stickiness must be down to age alone.
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