Question about Envision Monitors L26W661 26 in. LCD TV

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The power board is bad , where can i get a replacement

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This is a common occurrence, and the parts are not hard to find. There are a number of sites where you can order your power supply board. I would recommend that you try a local TV repair shop,m as sometimes their prices are a little cheaper. I had one put in my TV for 250.00 and the part was 190.00, so for the 60 bucks extra, I let them put it in.

Posted on Mar 12, 2011

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I replaced main board and power oard I now have power I can tell because the standby light now comes on and lights up and stays on when I power on tv but still have no picture any ideas


After the power board is the board that controls the picture. If your power board was bad, that board may also be bad. (Check for a fuse on _any_ of the boards). Note: If your Plasma TV is 5+ years old, you may not be able to remedy the situation without spending a fortune on guessing bad boards.

Mar 11, 2016 | Vizio 50" p50hdm high definition...

3 Answers

My vizio E370VLE is getting no power at all. The vizio logo under the screen isn't even lit up. I have tried plugging into new outlets and even switch out the power cord with a new one so i know its n


the problem is probably your main power board.. these can be replaced by yourself.. find the model no and then enquire about a replacement board ..I have had similar problem tv repairman wanted $500+ to fix board only cost $134..make sure to disconnect power supply ..undo all the screws around back of case including wall mount and base follow power lead entry into case do not touch any circuitry as some capacitors store power disconnect the little plugs that run from the boardundo the 4 screws and replace with purchased replacement board and re assemble..

Dec 20, 2014 | Vizio Televison & Video

1 Answer

Vizio M470VSE replaced main board now screen has 4 of the same images on it


After main board replacement, a firmware update might be necessary. I don't know whether you've don it or not. If not, do it.
Gopakumar Gopalan Google

May 20, 2014 | Vizio Televison & Video

1 Answer

TH-50PZ85U 10 BLINKS


Check connector P11 and SS11 and make sure they are not loose. If they check fine, disconnect the connectors from the power board and che connector P1 and P11 for shorts. If you found a short, then replace the power board. If no short, then check SS11 for a short and replace that board if needed.

Jun 20, 2012 | Panasonic Viera TH-50PZ85U Plasma TV

1 Answer

50 inch lg won't power on


Hi,

The problem could be just a few bad capacitors on the Power Supply, there could be a bad capacitor on the Y board if its bad it needs to be replaced with the buffers together
If you want to attempt the repair yourself you can do a visual of the power board caps will appear swollen on top.
The ones you are looking for are located almost center bottom of the power board,Usually I can see them clearly with the back on simply shining a light into the back through the holes
If otherwise you have to change the whole power supply board Power supply board just die.It can be dead at anytimes.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

I hope this will help in solving the problem...

Sep 05, 2011 | LG Televison & Video

1 Answer

TV is dead. Power light is not illuminated. Checked all plugs and outlets.


It sounds like your power supply has failed. This could be caused by bad capacitors in the power supply itself, or it could be caused by some other circuit board, likely the Y-sustain or Z-sustain board, or both.

This solution assumes you feel comfortable working on the tv yourself - if not, it will need to be fixed by a service technician.

Begin by removing the back cover. You'll need to take out all the screws that have an arrow pointing at them. You'll only need to remove the large cover, not the smaller one where the audio/video connections are located. Put the screws in a plastic sandwich bag so they don't get lost.

The power supply board is in the center top area. Check the tops of all the capacitors. They should all be flat. If any of them are bowed out or deformed then you have a bad power supply board that will need to be replaced, or replace the caps if you're capable. If the caps look ok then check the fuse at the bottom right of the power supply board. Go to the appropriate paragraph below.

1) IF THE FUSE IS GOOD: you likely have a problem with one of the sustain boards. Unplug the connectors on the Y Sustain (Ysus) that sit between the two fuses. Plug in the tv and see if the power supply board comes up. If it does you'll hear a click and see the green light on the front begin flashing. This indicates one or both of the sustain boards has failed.

To determine which board has failed, reconnect the Ysus connector from the power supply and disconnect the connector at the top left of the Zsus board. Try turning on the tv. If the power supply comes up then you have a problem with the Zsus board. If it doesn't come up you have a problem with the Ysus board and/or the Zsus board. The power for the Zsus board is routed through the Ysus board, so if the Ysus board is bad you won't be able to check the Zsus board.

Many blogs recommend replacing both if one is bad because they're both high failure items, and replacing one without the other means you may have to go back and replace the other after a short while.

2) IF THE FUSE IS BAD: You may have a problem with the power supply board. Check the caps for any deformed tops. If so, you'll have to replace the board or the caps, depending on your skill level. After making the replacement, disconnect the power to the Ysus and verify you have a good power supply board.



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Jun 23, 2011 | Zenith Z50P3 50 in. Plasma TV

2 Answers

Black screen no video no audio suddenly now


This set is a 50" plasma. first check the AC power fuse on the filter board then: if it is bad: check the power supply by marking and, removing all the cables; (so you can put them back in the correct spot) except the filter board to power supply cable; that connects to the Power supply board. Then: replace the blown AC fuse and, re-power: If the power supply blows the fuse: again, the power supply is bad and, must be replaced or, repaired. If the fuse does not blow: turn off the set then: on again, reconnecting and, disconnecting each board cable in turn, untill the fuse blows again this cable leads to the bad board; replace or, repair the board that blows the AC fuse every time the bad board is connected, irregardless of which other cable to the power supply may be connected also; or, not.

Jun 05, 2010 | Toshiba 50HP66 50 in. Plasma Television

1 Answer

Our sanyo dp42746 went black made a pop sound and would not turn back on no power light or nothing


Most likely a power supply board went bad. the pop sound is bad capacitor on the board. Most bad capacitors will look like this: 18976c2.jpg
The other picture below shows a normal capacitor in the middle, but two bad capacitors on the sides of it. One with the dome top and one leaking. 5d53c3a.jpg

You can try repairing the board by replacing the capacitors or replace the whole power supply board. Most replacement boards can be found at a good price at Shopjimmy.com or Ebay.

Dec 29, 2009 | Sanyo DP42746 42 in. Plasma Television

4 Answers

Power light blinking 10x


It's not necessarily the power board. 10 blinks is the Miscellaneous error code. Your TV knows something is wrong, but isn't sure what it is. It can be any number of things, including bad boards. Mine, personally, was multiple bad boards.

Dec 22, 2009 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

Black line going vertical through portion of


Connections on c boards, c board bad or bad panel. Disconnect power supply from sus boards on sides before attemting to disaconnect connectors from c board to flex cables. arc from stored energy on power board will burn cables. reseat the connector closest to the bar . reconnect power supply. Next replace that c board by strip. next replace plasma panel.

Dec 03, 2009 | Panasonic TH-42PD50U 42 in. Plasma EDTV

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