[rescue] Bad cheap electrolytics, easily rescued LCD monitors - was Re: Trying to rescue a Sun Ultra 45

Toby Thain toby at telegraphics.com.au
Wed Jan 15 19:40:22 CST 2014

On 15/01/14 10:11 AM, Mark Brown wrote:
> On 1/15/2014 9:39 AM, Toby Thain wrote:
>>> You're lucky they didn't.  I have fixed three (out of three) dead
>>> flat-screen displays by opening them up, noting that caps in the power
>>> supply portion of the circuit have bulging tops, and replacing them.  I
>> I fixed about 10 out of 11 in the same way last year, enough to give
>> away a few to neighbours and relatives.
>> One 24" needed just an 18c resistor.
> I gotta say - I've probably fixed just as many.   At $WORK we have a
> "electronics recycle bin".  This bin has been my sole source of LCD
> panels.  I've never needed to buy panels, nor has my "inlaws".
> Benq, Sceptre and Viewsonic (surprisingly) are the worst offenders!

Yes, I've fixed a Viewsonic that I found dumped on the footpath near here.

> It's not all that difficult. I'm just a hack around electronics...
> And you are right - most times low voltage side - but the Benq are
> somewhat infamous for blowing our the high voltage inverter side.
> For a buck or two, it's totally worth bringing these back to life!

Definitely. Can get another 5 years out of them .. probably more. I've 
repaired a number of Samsungs, and we all know the very high quality of 
those LCDs.


> /M
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