Any TV repair guys on here??

manatoo

Hi all

My venerable old Black Diamond 32" TV is showing signs of death after 10 good years. When turning it on it can take up to half an hour of pressing the buttons until it finally fires to life. In the meantime, the red light just flickers with each press and returns to red.

I gather this is a bad capacitor, anyone agree? Is this something I could pull out and solder in a replacement myself? If so would you know where I could get the right capacitor?

Any help would be much appreciated. I hate the idea of throwing the whole thing out because one tiny part is gone wrong. It's a great TV otherwise

Thanks everyone

ZENER

More than likely dried out Caps alright. My fix would be to replace all electrolytics in the Power supply and also any supplies off the LOPT. Caps are fairly cheap, the lot shouldn't cost any more than a tenner. Though most suppliers sell in packs of 5 or 10 depending on the capacitance. Knowing which ones to replace though . . . well that's the science bit.

It could also just be a bad/dry solder joint requiring re-soldering. On rare occasions it could also be a resistor gone high in value or a failing semiconductor. A circuit diagram would be essential if replacing the caps doesn't work. Unless of course something obvious is visible - like a burnt component or a capacitor that's burst open.

Ken

manatoo

Ok....I'm gathering I'm totally out of my depth in that case. Given that the TV does eventually come on and then works perfectly, it's more than likely a capacitor or resistor rather than a power supply or bad joint issue, would you agree?

ZENER

Not really, any number of things could give those symptoms I'm afraid. As I said, dried out caps would be the first suspects but there are other possibilities ! Most repair shops base the repair price on screen size which could be more than the set is worth. For a 32" I'd guess at about 80 to 100 euro. More if some bigger component was the fault, like the line output transformer.

Ken