Question about Sylvania 6842PE 42 in. HD-Ready Plasma Television

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Blown Capacitor I had a capacitor on the back go out and I am not sure what its rating is. Unfortunately I don't have a wiring diagram for it. It is a small capacitor. I found one at radioshack that looks similiar to it but not sure. Any ideas as to how I might get a hold of a wiring diagram or someone that might be able to tell me what capacitor I need?

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There should be a circuit designation for this part marked on the PC board, for example C631. Start by posting that designation. Having that will allow anyone with access to the service information to post the value of the part.

Dan

Posted on Aug 20, 2008

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Power source does not work. Wont turn on or off


Blown fuse or bad capacitor on the power supply. the set and remove the back panel. Locate the power supply. There is usually a fuse in line with the hot supply wire. Check it for continuity with an ohmmeter. Look for bulging electrolytic capacitors on the power supply. Electrolytics are polarized (+-) and can fail if they go even slightly overvoltage. Replace bad capacitors with components with the same microfarad rating but a slightly higher voltage rating. I.E. replace a 16 volt cap with a 25 volt cap.

Jul 23, 2014 | Magnavox 32mf231d

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Capacitor needs replaced


Without a circuit diagram then to identify the type and rating of the capacitor is impossible unless you can read the rating on the side of the faulty capacitor.

Aug 09, 2012 | Televison & Video

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Tv takes ages to 'warm up'. parallel orange and red lines increasing and decreasing in number (a bit like a bar code to look at). sound is ok. eventually after up to half hour, the picture appears...


Try to check the power supply if there is a bulge up in the top of the capacitor or leaky capacitor if you see this capacitor replace them with the same rating, leaky capacitor has a wet mark at the bottom of the capacitor.But be sure to unplug the unit before removing the back cover of your tv, good day and best regards feel free to send feed back.

Aug 12, 2011 | Philips Televison & Video

1 Answer

What should i do when my television doesn't turn on?


if your unit is dead set totally no power at all even led indicator the first step is check your AC outlet make sure the supply is present then check broken AC cord for your TV unit. then next step is to open the back cover for trouble shooting, try to use your senses first to diagnose defective part smell burnt parts, wirings, connector or even PCB. look for blown fuse and leak capacitors especially the output filter capacitor at the power supply which cause sometimes by over heat where in the capacitor casing explode, the temperature was exceed to the rating.and then use digital tester try to power on check the output voltage of power supply if present and normal according to its label.

Apr 28, 2011 | JVC Televison & Video

2 Answers

Obviously blown capacitor. Black tar-like substance bulged out the side of either c6280 or c6279 ( can't tell because they are stuck together ) .Easy to replace if I knew what size the capacitor is


what model tv? take out the capacitor and bring it to radio shack im sure they can match it up easily for you if you cant read what it is

Mar 26, 2011 | Televison & Video

1 Answer

On turning the tv on the green light comes on as if to turn on but never does, and the light turns red again.please help.


I had this same problem with an LCD monitor several months ago. It turned out to be a blown capacitor on the internal power supply board. If you are handy with tools and have a soldering iron it is a pretty simple and inexpensive fix. Otherwise you will likely have to pay someone to do it. I highly recommend a professional if you are uncomfortable with soldering. To replace the capacitor yourself:
1. Open the Television. This step can be a challenge as manufacturers often hide screw under stickers and labels. This allows them to tell if the unit has been tampered with. By doing this job yourself you will void your warranty.
2. Locate the power board, it will be right where your power cable connects. Inspect the capacitors on it to determine if any are blown. The top of a blown capacitor bulges outward slightly, whereas an good capacitor will be flat or slightly indented.
3. Not what type of capacitor is damaged and head over to radio shack. A capacitor is pretty cheap, no more then $5.
4. When you remove the olde capacitor, make sure to note which wire is positive and which is negatice, so when you put in the new one it is correct.
5. After soldering in the new one, the TV should work just fine.

Mar 15, 2011 | Televison & Video

1 Answer

I turn it on and it shows for a second and turns back off


You probably have a overblown capacitor. If you take the back of the tv off, check for these round things that look like a battery. If the bottom (which is facing up) is bulging and looks different from the others, it is bad. It is possible to replace this yourself, if you know how to solder. You have to find the farad rating on the blown capacitor, the temp rating (usually 105degrees) and the voltage. You can order these inexpensive items thru Mouser electronics. Just be sure to get the right one, as there are many. If you call, they can help you. Then you carefully remove the board from the tv, unsolder the joints belonging to the bad capacitor, and replace with the new. Make sure that the neg./pos. gets put in the same direction as the old!

Oct 30, 2010 | Polaroid TDA-03211C 32 in. LCD HDTV

1 Answer

I have a 42" LG LCD with a blown capacitor 16v 2200uf. Can I buy just the capacitor and is it difficult to install? Thank you, Don


just try to replace the capacitor. use a soldering iron and desoldering pump in removing it. make sure to replace it with the same value, and observe proper polarity.

Sep 22, 2010 | LG 42LC2D 42 in. LCD HDTV

1 Answer

I have a lg 26lc7d tv and the red light is orange and it don;t want to turn on anymore why please help


The caps (capacitors) in the powerboard are going out. This is a very common problem in all class and price ranges of modern lcd and plasma tv's/ monitor's. I don't know if this problem has been like this for awhile or it just started, but either way, if the tv takes an abnormal amount of time to "warm" up then it most likely will go out all the way sometime in the (near) future. If you have a tiny bit of will and knowledge ypou can open the unit and get to the print board. Examine this for "popped" capacitors, they will have a buldging top instead of a flat one. Im gonna try to include a pic of them here, if i can get it this time, I've tried bfore lol. But you can google image a "popped" or "bad" capacitor and you would be able, with ease, to diagnose if you have any of these. Usually only one or two. Radioshack sells capacitors (couple anyway) for $1.59 each. MAKE SURE the replacement is of the SAME voltage or HIGHER, or you will be right back replacing those 2. Every capacitor has a negative pole marked with an (-) on the side of the capacitor(by one of the "legs", always puit the negative (-) "leg" of the new capacitor in the same hole in the printboard as where the previous negative (-) "leg" of the capacitor was ( a capacitor with the negative and positive "legs" put in backwards will result in the new piece "popping" as sson as you turn it on!!) make sure the "uf" rating (for example the most common popped capacitor is the 1000 uf) is the same as the one you are replacing. I needed 1000 uf, 105 c and 26v (volt) ratings for the 1 capacitor I needed to replace to fix my LG 19" lcd panel monitor I found by the trash that the light came on off, but it didn't come on. I replaced that capacitor with ; 1000uf, 85 c and 36 v (volts0...It works fine eventhough the volts and the temperature rating (36v and 85c) was not the same as the (26v(volt) and 105c ) capacitor I removed !! Further, I've replaced capacitors that had the celcius rating of 105 with the only ones Radioshack had, namely 85 c(celsius) they have been working great, but I'm not sure about any effect, nor have I heard or read (yet?) about that making an urgent difference. Many threads that I've read people have done the same, so we should be ok (my stuff has been running good for a while longer then most brand new ones!.............(all these ratings ; 'uf ' and 'c' etc are on the side of the capacitor you are replacing and on the side of the ones you are replacing them with)...For all this all you need is the cheapest solder gun u can find (I bought one for $7.99 at Radioshack), a camera (to take pictures as you go to remember how to reassemble the unit) and, once you have your materials, 20 minutes to replace 2 or 3 capacitors and you are good to go...Most monitors and tvs (lcd/plasma) I've seen you have to lay flat on the ground/bed/blanket etc, to work on (screen side down). Usually there are 2 or 3 screws (or a few more) to remove, then you will have to carefully (its comes off easily most times)insert a flat screwdriver inbetween the casing and gently pry it up as you go around the whole frame. Sometimes you have to remove the little washer arouind the cable input orso, just be gentle and you cant go wrong. Once insidet here will be a box with wires running to the sides etc...unplug, gently, these wires and open the box. Inside you will find 2 or 3 circuitboards, check them all for "popped" capacitors, replace, reassemble and plug it in....Have fun becoming an overnight tv mechanic lol! If this helped you (or not )please rate, thank you!d539576.jpg

Feb 03, 2010 | LG 26LC7D Television

2 Answers

Hello sir


Hi there, If you'd like to diagnose your own tv for bad capacitors, then you can follow these, guidelines...If you don not see any bad "popped" capacitors, only then would I replace the ic...hope this helps!..Please arte if it did (or did not ), thank you!The caps (capacitors) in the powerboard are going out. This is a very common problem in all class and price ranges of modern lcd and plasma tv's/ monitor's. I don't know if this problem has been like this for awhile or it just started, but either way, if the tv takes an abnormal amount of time to "warm" up then it most likely will go out all the way sometime in the (near) future. If you have a tiny bit of will and knowledge ypou can open the unit and get to the print board. Examine this for "popped" capacitors, they will have a buldging top instead of a flat one. Im gonna try to include a pic of them here, if i can get it this time, I've tried bfore lol. But you can google image a "popped" or "bad" capacitor and you would be able, with ease, to diagnose if you have any of these. Usually only one or two. Radioshack sells capacitors (couple anyway) for $1.59 each. MAKE SURE the replacement is of the SAME voltage or HIGHER, or you will be right back replacing those 2. Every capacitor has a negative pole marked with an (-) on the side of the capacitor(by one of the "legs", always puit the negative (-) "leg" of the new capacitor in the same hole in the printboard as where the previous negative (-) "leg" of the capacitor was ( a capacitor with the negative and positive "legs" put in backwards will result in the new piece "popping" as sson as you turn it on!!) make sure the "uf" rating (for example the most common popped capacitor is the 1000 uf) is the same as the one you are replacing. I needed 1000 uf, 105 c and 26v (volt) ratings for the 1 capacitor I needed to replace to fix my LG 19" lcd panel monitor I found by the trash that the light came on off, but it didn't come on. I replaced that capacitor with ; 1000uf, 85 c and 36 v (volts0...It works fine eventhough the volts and the temperature rating (36v and 85c) was not the same as the (26v(volt) and 105c ) capacitor I removed !! Further, I've replaced capacitors that had the celcius rating of 105 with the only ones Radioshack had, namely 85 c(celsius) they have been working great, but I'm not sure about any effect, nor have I heard or read (yet?) about that making an urgent difference. Many threads that I've read people have done the same, so we should be ok (my stuff has been running good for a while longer then most brand new ones!.............(all these ratings ; 'uf ' and 'c' etc are on the side of the capacitor you are replacing and on the side of the ones you are replacing them with)...For all this all you need is the cheapest solder gun u can find (I bought one for $7.99 at Radioshack), a camera (to take pictures as you go to remember how to reassemble the unit) and, once you have your materials, 20 minutes to replace 2 or 3 capacitors and you are good to go...Most monitors and tvs (lcd/plasma) I've seen you have to lay flat on the ground/bed/blanket etc, to work on (screen side down). Usually there are 2 or 3 screws (or a few more) to remove, then you will have to carefully (its comes off easily most times)insert a flat screwdriver inbetween the casing and gently pry it up as you go around the whole frame. Sometimes you have to remove the little washer arouind the cable input orso, just be gentle and you cant go wrong. Once insidet here will be a box with wires running to the sides etc...unplug, gently, these wires and open the box. Inside you will find 2 or 3 circuitboards, check them all for "popped" capacitors, replace, reassemble and plug it in....Have fun becoming an overnight tv mechanic lol! fcda6dc.jpg

Mar 04, 2008 | Televison & Video

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