Question about Thomson LCDB 03B 27 in. Television

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Thomson TV problem

TV works for a while then screen shuts down and sound keeps going I think it might be invereter board but cant find any spares?

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Television is showing the lock symbol can anyone help

Posted on Sep 05, 2009

Sound but no picture

Posted on Oct 16, 2008

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Posted on Jan 02, 2017

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My bush tv keeps shutting down and then after 2minutes it starts up again


Sounds like The main power supply regulator section circuit fault. 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. Pull up older posts. http://electro-medical.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.

Jan 24, 2017 | Bush Televison & Video

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My 65 inch vizio tv model # D650I-B2 turns off after awhile. After restarting it shuts off again. Be fore shutting the picture messes up


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://electro-medical.blogspot.com/
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.

Mar 02, 2016 | Vizio Televison & Video

1 Answer

Coby 40" shuts off?


Fault with the main power supply regulator 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 15, 2014 | Coby TFTV4025 40" LCD TV 1920x1080, 60 Hz,...

1 Answer

We purchased a thomson tv at trichirapalli tamil nadu in the year 1996 . for the past 3 to 4 years it is not working due to the non availability of LOT coil as the engineer from thomson said. as we had...


Best advise! Sell it or exchange it for a better TV. Your old TV
may not more than Rs. 800/=

Now a days you do not get talented technicians and original
spares. Do not attach sentiments to the TV. If so keep it in one corner
and go for another TV.

Sep 04, 2010 | Thomson Televison & Video

1 Answer

Ihave had problems switching my thomson 30lcdb03 tv on for about 3/4 months. I have had a completely green screen, balnk screen with sound only, and a white ghosting on the picture. Now the tv will not...


thomsom or RCA tv;s are known for power supply issues
check yours for puffed up can like devices on both main and power board if you find one the value is on the side replace it and you will have fixed it won't hurt to try

Nov 20, 2009 | Thomson 30LCDB03B 30 in. HDTV

1 Answer

Thomson tv lcd 32


i think you have a problem with your stand by power board.
There is a service kit available but this has to be fitted by a service engineer.
it is available from www.tvs-services.com or call 01245392539 monday to friday 9 to 5

Mar 09, 2009 | Thomson Televison & Video

1 Answer

TV LCD THomson 26"


If what your saying is that there are vertical stripes down the screen, You have a screen drive problem my friend. This could mean you will need to change the entire main board, the screen driver board if it is separate on this set, or the main LCD panel itself. These boards do not have any parts available for them and must be replace as a whole unit. Good Luck

Mar 19, 2007 | Thomson 20LCDB03B 20 in. Television

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