Question about Vizio L32 32 in. LCD HDTV

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What do i do if my main board goes out on my tv

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If you could find a working used board (slim chance in my opinion) it may be a worthwhile repair. Otherwise, I would replace the set.

Posted on Apr 22, 2013

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Posted on Jan 02, 2017

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I have a bad main board on a LG 42" TV ( LD42550 ) and I have an extra main board from the same TV but its 32", will it work?


Unfortunately they aren't interchangeable, sometimes power boards are in a situation like this but with main boards you need the same number...the 3642 stands for 42" (last 2 numbers) and the 3632 is for a 32"

Oct 22, 2017 | LG Televison & Video

1 Answer

My TV gets power and sound. The picture is on for a bit and then goes blank, then comes back on, then goes blank. What parts do I need to order to fix it?


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://electro-medical.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.

May 17, 2016 | Vizio Televison & Video

1 Answer

Samsung smart tv has a black screen that flashes to a real screen for about 1 second then goes back to black. it has sound


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

Mar 13, 2016 | Samsung 5500 Series UN32F5500AF 32" LED...

1 Answer

I have a Vizio p50hdm while watching heard a pop noise and tv went out cant turn back on.I replaced main board and power board and still doesn't come on any Ideas?


The power amplifier chip (which goes "pop" when it goes bad) may be located on the board where the IR sensor is. Sometimes (but not always) you can make the TV come on by holding the power button in _until_ the TV comes on. But that usually only works when the chip is "going" bad. If you heard the pop, it's probably shot. Also, check for a fuse on _any_ of the boards, and possibly a main fuse at the back of the TV.

Mar 09, 2016 | Vizio 50" p50hdm high definition...

1 Answer

What makes the HISENSE LCD (Model LCD 42W58P1) power supply failed to produce output voltage goes to the main pc board?


Hi,
First of all the power supply makes 'Stand By 5 or 3.5V which goes to main board. When we give power on command to the TV the main board sends 'stand by or Power ON' command to the power board which then makes other necessary voltage for the main board as well as other sections. If the power board does not receive 'Power On' command from main board, it will not produce the necessary voltages to operate the TV set.

May 20, 2015 | Hisense Televison & Video

1 Answer

Tv plays about 2 minutes and picture and sound goes off, comes back on.Does this 3 times then tv shuts.turn tv back on and repeats sequence.


there is main board defective please replace the main board 3 time blink is dc alert which is happened in side the system ic & we cant replace the system ic so we replace complete main board

Apr 20, 2015 | Sony BRAVIA KDL55HX750 55-Inch 240Hz 1080p...

1 Answer

Lcd tv screen goes out after 10 minutes


Check for any loose solder terminals at it main power regulator board.

Apr 09, 2015 | Televison & Video

1 Answer

Samsung TV goes Black but keeps sound


you will need to check weather the 24vdc supply for the inverter board is good no drop voltage. if no supply check the power supply board. then you should check if their is a inv_on signal at the power inverter board around 3v-4.4vdc . if goes out during power on tried to disconnect the supply going to the inverter board to ensure if their is a shorted parts in the inverter board. if the inverter_on signal also goes out even with out inverter board connected that was mean you have problem in the processor board.

Nov 01, 2012 | Samsung LN Televison & Video

1 Answer

Mitsubishi tv has white vertical lines on screen after replacing part 1910-6103w


You either got a defective DMD chip or the problem moved to your light engine or main board as well. To find out if it is light engine side or main board side you will check like this.

Turn off TV. If the line go away when the picture goes out, then the problem is on your main board. If the lines stay for a second or 2 after the picture goes out, the either your engine is bad, or you received a defective DMD chip.

May 10, 2012 | Mitsubishi Televison & Video

1 Answer

Vizio VO420E 42 in. LCD TV -- Less than 3 months old. Picture slowly darkens and then goes out all the way. Sound stays on. Picture goes out. We turn the TV & cable box off, wait 30 seconds, turn...


the problem its the main board of the tv not the power supply board.the main one controls all your imputs tv av component etc the cheapest place to find it its at www.shopjimmy.com cheaper than the manufacturer and those dudes that you find online that charge an arm and a leg just to come and just repair your old main board mine as well buy a new one at this site for less ok and you are welcome

Apr 13, 2010 | Vizio VO420E 42 in. LCD TV

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