Question about Akai LCT3701AD 37 in. LCD Television

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Cannot find a replacement circuit board for this TV

Looking for the circuit board for this TV

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If it's for Akai LCT3701AD, here's the best place to find it:
http://www.shopjimmy.com/catalogsearch/result/index/q/LCT3701AD/

Posted on May 28, 2009

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Posted on Jan 02, 2017

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I have a 58l1350uc tv and when I power on tv there is no picture but when I do flashlight test there is picture. I looked for back light and they just flash when tv turns on then go out


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Oct 26, 2016 | Televison & Video

1 Answer

My TV is dead. What boards should i replace?


have you checked the DC side of TV LOOK FOR ANY CAPACITORS with holes blown in them and are a of a burnt appearance , and also look for any breaks in circuit board also look for holes in circuit solder . I know this might sound silly have you checked the fuse in the MAINS PLUG ....

Dec 28, 2015 | Televison & Video

1 Answer

My lg tv keeps turning off & on


First of all, thank you very much for choosing FIXYA today for your technical support needs.



Often times this symptom is the result of a failing power supply circuit in your TV, although there are certainly a number of other possible causes.


If your warranty is still valid, then you should definitely contact your dealer / place of purchase and arrange for a refund, exchange, or no cost repair service. If the already warranty is expired, then you have other options available as well.




One fairly easy way to troubleshoot this symptom yourself is to first unplug the set, and then remove the rear access panel on the TV to check the power supply circuit board located inside. Look for any scorched / bulging / leaking electrolytic capacitors on that circuit board. If you see any evidence of this, then you might want to consider replacing the power supply circuit board with a new one, since this is the most often the source of the trouble.



Here are some links to images which show what faulty capacitors often look like:



http://www.facilitateit.com.au/Capacitors.htm




http://www.pctips.org.uk/html/problems.html#Plague



You can usually find replacement circuit boards online by searching for your TV's model number.

Here is a link to a replacement POWER SUPPLY BOARD for your LG model 32LG30 TV currently available on Ebay for about $59 US plus shipping:



http://www.ebay.com/itm/LG-TV-32LG3DC-UA-32LG30DC-UA-Power-Board-EAY40504401-/120732123528?pt=LH_DefaultDomain_0&hash=item1c1c320188




Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information and items at the website indicated.



The repair / replacement procedure is not extremely difficult if you have some basic electrical safety knowledge and some basic electronics / mechanical repair skills.



You will need to first unplug the power cord from the unit, lay the TV screen side down on something soft and flat like a bed if necessary, and then remove the rear access panel or the entire rear cover as required in order to access the circuit boards inside.



When you remove the rear cover and access the circuit boards inside, just check the part number that is printed right on your currently fitted circuit board, and confirm that it exactly matches the one provided in the online listing. Also make sure that any part you order is labelled "TESTED WORKING" in the condition description. Any part with a condition description of "AS IS" is probably faulty as well.



Then just unclip and remove the various electrical wire connectors leading to the power supply circuit board. Then remove the screws securing the circuit board to the TV frame and then remove the power supply circuit board itself. Be sure to avoid touching any large capacitors on the circuit board which can retain a nasty electrical charge and still cause injury even after the unit is unplugged.



Then just screw in the new power supply circuit board and connect all the wire bundles to their appropriate connectors on the new circuit board and then replace the rear cover. Then plug in the power cord and test out your TV.



If you are not comfortable conducting this level of repair procedure yourself, then you will probably need to contact your local TV repair shop to arrange for service.


I hope that was helpful to you, good luck.



Joe.

Oct 10, 2011 | LG 32LG30 32 in. LCD HDTV

1 Answer

Can i repair a broken screen on a lcd tv?


LCD stands for Liquid Crystal Display. It is all one unit and when broken can not be repaired. The only way to fix it would be to purchase a replacement screen but that would probably cost more than replacing the whole TV. You might look for a used TV of the same model with a good screen and a bad circuit board and exchange parts but it is far easier to replace circuit boards than LCD screens so if you find a similiar model with a bad circuit board take the good board from your set to make the one with the good screen work again.

Sep 08, 2010 | Samsung LN-S4095D 40 in. LCD HDTV

1 Answer

The philip 50inch plasma tv i own has ambilight on both sides of the set. the light on the left side of the tv no longer seems to be working. is it simply a matter of changing the light on the tv...


you must replace the circuit board that illuminates display....you will see two(2) boards that look alike...take back off tv and you will understand.....1 of the circuit boards is bad and must be rebuilt or replaced!!!ckt boards are on the sides of TV...only 1 of them bad they both look alike . gl

May 19, 2010 | Philips 50PF9631D 50 in. HD-Ready Plasma...

1 Answer

The colors are seperating making it look like 3d


Hi,
This is symptom of convergence output chips failure in rear projection tv, replace convergence ouput ICs in tv to get it fixed.
If you are handy with electronics stuff repair and can solder parts in circuit board then check 2 big black ICs mounted with aluminum heat sink on D board of tv, replace them with same numbers and if you feel uncomfortable working with tv circuit boards, local tech will help you.
Thanks.

Mar 31, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Circuit board needs replaced


I replaced mine, it's called the Deflector board. Some people call it the flyback board after the flyback transformer that is located on it. I found one on Ebay for 25 bucks a while back, so good luck. Troll ebay or find someone that is giving their tv away on craigslist because the convergence or a bulb is bad. Don't base it just on your specific model of TV though because many of them share this common board.


Try part #271827. That was the part number of the board I won on Ebay.

May 25, 2009 | RCA R52WH73 Projection Television

10 Answers

TV Circuit board diagram


My SONY TV Model : KV-XJ29M50. LED will blink/flash twice right after power turn on and cannot display picture.

May 17, 2008 | Televison & Video

1 Answer

Replacement circuit board for my Sharp 36r-S50


Yes, you can find replacement circuit board and any other accessories at Andrews Electronics.com.

  1. Go to the Order Parts menu
  2. Type in your model number with NO DASHES.
  3. Locate the part you are looking for in the listing that shows up. If your part is not listed, email quotes@andrewselectronics.com to request the part you are looking for.
Or I will be happy to assist you if you reply here as well.

Mar 09, 2008 | Sharp 36R-S50 36" TV

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