Question about Panasonic CT-32SX12 32" TV

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Circuit board where can i find a new or used circuit board? would replacing this part fix my problem with the fuse blowing? thanks for your help. Joey

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Re: circuit board

Try they might be able to help you.replace the power supply of ypour tv it have a short with a diode or the regulator.if you cannot do it yourself take it to a tech.

Posted on Mar 23, 2007

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Power board in magnavox 37MF231D blows fuse right away. Caps are good on board and fuse still goes when disconnected from TV.

Then you have a shorted regulator circuit. the best bet is to replace the power supply board itself. The part number is 313815864961. Please take a few moments to rate my answer, Thank you.

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Panasonic ct-32sl13g blowing fuse by power supply

You will need to remove the back of the TV. Don't worry, it's not that bad.

There are 4 screws across the top, one on each side, one right next to where the power cord goes into the back of the case, and the two more by all of the video connections **These are the most important to remove because they attach the main board to the back of the case.

Once you have remove the screws then the entire back of the set will slide off. If you look where the power cord attaches to the board you will see a small fuse. This is a 6.3 Amp 125 volt fuse. You can replace it with a 6.3 Amp 250 volt fuse from your local Radio Shack. A four pack costs between $3 and $5.

Make sure that you check that it works before putting it all back together. Check for any loose connection cables while you're back there. I found a few when I did this.

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In most cases on the board under the fuse the rating will be listed IE: 4A, 5A etc.

Jul 17, 2008 | GE 27GT616 27" TV

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Fuse inside tv keeps blowing

Hi there!
If the fuse rating is correct as indicated on the board, then the PTC is probably busy going faulty. If not sure where it is located, normally on the front where the switch is and where the coil that sits around the tube is connected to the board. Little plastic box with three pins(sometimes two) black or cream in colour. Some circuits use a disc type with 2 legs, however not sure on your set. This is called the degausing circuit and demagnetises the tube every time you switch the TV on. Good luck, JUS004

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Keeps blowing fuse

It has a short circuit somewhere...
Not sure if this is a CRT, LCD or Plasma TV but the two common causes of shorts for CRT's are the Horizontal Output Transistor (HOT) and/or the Flyback Transformer (Could be both). As a general rule if the flyback has visible cracks in the case they should be replaced. It is also a good idea to replace the HOT if you're replacing the flyback as it could be weakened and may not last much longer itself.
Other areas to check for all types would be any Diodes in the Power Supply Circuit. If a diode is open it can cause the fuse to blow. Note that a diode itself will not short, but an open diode can cause a fuse to blow.

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Main fuse blown on CT-32G11 32" Panasonic TV, Replacement fuses continue to blow.

If the main fuse keeps blowing, check the horizontal output transistor for a shorted condition and diodes in that section as well.

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Fuse keeps blowing

NEVER EVER replace a fuse and think that va fuse will blow all by itself. The fuses are there to protect the set from catching on fire incase theres a short inside the set. Now in some cases an intermittant short can work after you replace the fuse but if its burnt black or brownish, theres a short inside the set in one of the circuits. always use a 100 watt light bulb across a blown fuse if your not sure if there is a short. if there is, the light will absorb the short and glow bright. if there is no short the bulb will glow bright , then go down very dim. you could have a main power supply problem, such as shorted bridge rectifyers,shorted main b+ capacitor, Hot could be shorted, or the Vertical or audio output IC could be shorted

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1 Answer


90 % of the time, when you get lightning damage to a tv set, its not worth repairing, because the chain reaction the surge causes. Its a matter of labor v cost of a new set. Ive seen brand new large screen tvs 1 week old get popped with lighyning and cause every board in the set to bur and blow out not only the printed circuit traces, but the ICs had holes in them and the transistors were blow apart. Luckly this customer had homeowners insurance and got a new set. With a lightning strick all you can do is start from the front of the power supply an work your way back till you get some life in the set. Now you could get lucky as I know panasonic uses whats called a thyristor type of a device that when a surge enters the set it shorts out the ac plug and pops the internal fuse and it will be black. You cant simply replace the fuse cause the thyrisistor is shorted. Also no one with no teleivision training should be inside a tv now a days as there are no user serviceable parts inside and theres way way more voltage inside these sets ,even unplugged then a dvd or satillite reciver. I would advise you to get a pro to assist you in this matter as it could if your lucky ,like i said before be a simple problem But i've seen peeps make a mountain out of a molehill. Good Luck

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