Tip & How-To about Vizio L37 Television

Fixed

Hello,
just wanted to thank this site for the info it has supplyed.
i did replace the main p.s. which didnt fix my no tv pic.
but my p.s. did have a problem and now when i turn my tv on i dont here the relays switching on.
the fix came when i replaced the mainboard ,now my tv's all better and probebly
better then new.so for under 200.dollars i got my lcd back.
very much worth the money and effit the replace the boards.
thanks again for the info here.
have a great day

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Hi have Samsung tv(UN40H5203AFXZA) Version:TD01. It doesn't turn on just red light blinking, no sound/ pics.How can I know if it's main board or power supply board and what should I buy? Thank you


Hello Anas,
These failure could be a combination of the power supply and the main board failing.
I would suggest to replace both boards or if you are able to measure the voltages from the power supply and verify that the power supply is working, then you should only replace the main board.
Let me know if you require further assistance.
Search results for UN40H5203AFXZA

Jun 11, 2017 | Samsung Televison & Video

1 Answer

Hisense TV: Dim pic. 2 wks later the pic just went out. Still had sound and could only see the pic when lights were off. Now the TV won't turn on. No sound. No back lights.


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 12, 2016 | Hisense Televison & Video

1 Answer

I have a hisense 50" LCD TV model 50k23dg. I have sound but no pic. Did a flashlight test and could see pic. Would replacing tcon board fix the issue?


Back - light problem. 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.

Apr 24, 2016 | Hisense Televison & Video

1 Answer

How do i fix a 57 toshiba cinema series exhibiting a wavy distorted pic, which usually occurs after watching for 30 or 45 minutes


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Nov 05, 2015 | Toshiba Televison & Video

1 Answer

Lct3285ta Akai


I have one I'm replacing the caps on also, the back is off, here are some pic's.f49c805.jpg8160173.jpg3cfe79a.jpgf402f49.jpgc47399f.jpg

Jan 17, 2009 | Akai LCT3285TA 32 in. LCD Television

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