If you've never soldered before peep an instructable for some handy tips! Solder the sucker in place and be sure that your solder is not touching any other connection on the board (you don't want any shorts!). Bend the leads out so it will stay in place as you solder. Place the capacitor back into the circuit remembering to orient the capacitor so it is has the correct polarity. Look up prices on line, but you should be able to find what you need at your local radio shack or Fry's for cheap enough. Also make sure its a radial capacitor, axial leads will be too difficult to deal with. Also try to find on that is a similar diameter so it can fit in the spot it came from. But go ahead and get one that has a higher voltage rating as you don't want to replace an underrated capacitor with another underrated capacitor. You're going to want to find a capacitor with a similar capacitance and temperature rating to the one you removed.
Your bad capacitor should have a few numbers on it including a capacitance rating, a voltage rating and a temperature rating. Don't be too forceful pulling it out and don't hold the soldering gun at the contact for too long, both could damage your TV. Warm up your soldering gun and heat the contact point on the circuit while gentle pulling the capacitor out of the board. To remove the capacitors first identify the where the leads attach to the circuit at the bottom of the board. The capacitor should have a white stripe up the side, note where this is as you will want to put in the replacements with the white stripe on the same side. But unless you have a massive capacitor that is your problem child it really shouldn't be an issue.īefore you remove the capacitor identify first identify its polarity in the circuit. You can do this by touching the ends of a resistor between the two ends of each capacitor on the bottom of the board.
If you're a super safety freak you may want to discharge these capacitors before you try to take them out. We're going to need to take these out in order to put some new ones in. In my case two capacitors had gone bad, as seen in the picture. They'll have a notable bulge on the top and may even be leaking some electrolytic fluid. The bad capacitors should be pretty easy to spot. Set the board on a nonconductive surface and we'll check it out! Each wire group should have a different number of headers and should only fit back into the slot it came from but take note of where they did come out of so you don't have to fumble the board when you're putting it back in later. Now that you've got an idea of what you're looking at go ahead and unplug all the wires connected to the power board. Even still, be very careful with what you touch paying special attention to the HOT section of the board and all big mad scientist looking components, especially if you don't know what they are or what they do. Even once unplugged the TV can hold a lethal amount of energy in some of the bigger capacitors so press the on/off switch on your TV a couple times to help discharge some of that. I'm going to recommend that you don't touch the main board at all.īefore we get at our board make sure your TV is unplugged. The other board you can see controls most of the main functions on your TV while the board we want regulates and distributes power to the TV. Your TV might have and extra metal covering over it, go ahead and take that off. The board we're after should be a brown/beige color.
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