Question about RCA 46 46LA45RQ LCD TV

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Picture of pwer cord from wall to power supplie board

Picture of what the cord looks like or link to a source of a picture for rca46la45rq

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This should just be what is called a Europlug.

Posted on Apr 02, 2014

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Our sharp tv model # LC-42D72U power light flashes green but there is no sound or picture. Looking for your expert opinion on what could be wrong so we can get the part ordered. The board with the power...

Green on light is blinking, but no picture - Television - iFixit,+but+no+pict..
iFixitOct 3, 2014 - The Sharp LCD TV LC37SB24U set worked until off button on remote ...The green light is blinking any time power cord is plugged into the wall outlet. ... It does sound like either a bad inverter board or a bad power supply. .... On the clad sidethere is no connections or ribbons that indicate hard current draw ...

Oct 20, 2015 | Sharp LC-42D72U 42 Flat Panel 1080p...

1 Answer

The sound and picture goes out on my LG lcd tv. Power light stays on

if you are not a tech then take your tv to a repair man.there is a problem in your tv power supply...the pwer supply is attached to where the power cord leads to the wall outlet.good luck.kindly dont make repairs yourself.

Sep 23, 2011 | LG Televison & Video

1 Answer

Tv switching on and off by itself on standby

Check ur power source,like the other electronic equipments that plug into that wall outlet have power and working?Yes?Than the tv power supply board it is the problems and the causes.That the board where the tv power a/c cord plug into it.The tv power supply board it is shorting out and dying to causes this problems.Tries websites like, to buy a whole new tv refurbish power supply board for the replacement.

Aug 29, 2011 | Bush Industries IDLCD26TV16HD LCD TV

1 Answer

Hi i just screwed up and pulled my hdd led pwer switch and led light cables out with out looking first this is on a emachine w4685 computer i tried looking for the board but there is no name on it except...

Hello jackman2030,
this is a [Picture Diagram] of the {PIN Sequence], in the order of "Connections."

!Warning: "Before disconnecting, or connecting: Cables, Wires, Power Supplies, or Pins!"
"Unplug "All Power Sources" from {'Wall' AC - Power Outlets}."
This can cause "Injury to Persons, and or Damage to Equipment."

"Please let me know if you 'need' further assistance, or the 'solution' helped?

"By posting a 'Comment" or 'Rating' the solution.

Thank you; your 'response' is important to me!"


Mar 02, 2011 | eMachines W4685 PC Desktop

2 Answers


Go to the power supply board and look for bulging top capacitors,replace them with the same type.

Oct 27, 2010 | Televison & Video

1 Answer

After 10 minutes picture cuts off and off on switch flashes.

Check the power source?Yes,Power supply board is the problems,it dying.That the board on the tv,the power a/c cord plug into it.That the power supply board.Tries websites like, to buy a whole refurbish power supply board for the replacement.

Aug 04, 2010 | Emerson LC195EM9 19 in. LCD TV

1 Answer

What to do when the tv is not getting any power

Check the power source,like the wall outlet?Yes,take the tv aparts,where the board that the a/c power cord plug into it.That the power supply board.Tries, to buy a refurbish power supply board for the replacement.

Jun 20, 2010 | Spectroniq PLTV3250 32 in. LCD TV

1 Answer

No picture but I have sound

First possibility to get checked the power supply board.but as you mentioned that there is sound but no picture this clears that power supply is OK.
Sound, but no picture in LCD TVs is indicative of an inverter board failure. This is the board that powers the back lights that project through the LCD screen. An inverter will run about $180 plus labor. An online source for replacement inverter boards is available here. You can cross reference by your Make and model number.

The inverter board looks like this, and is normally supplied by a dedicated voltage from the power supply (24vdc or 60vdc). Most of the Polaroid models use 24vdc.

Its not that difficult, the web site that I provided you with a source for a replacement also has a little tutorial on replacing an inverter. They vary in location by manufacturer, but usually on the left or right side - and look like the picture I provided you. Just be gentle with the cables you have to remove and replace.

The tutorial is here.

this will help.thanks.

Feb 20, 2010 | Polaroid FLM-3201 Television

1 Answer

Monitor went blank no power light is there a place to buy new power board

before looking for pwer board,try to replace 1st the power cord.tnx

Jul 31, 2009 | BenQ Computers & Internet

1 Answer

Will not pwer up. Greenlight blinking on back

The green blinking light can mean there is a problem with the power supply.

Try unplugging the computer from the wall, and turning on the pc on switch.

After a few minutes, try plugging it back in.

If that does not start things up, you may have a bad power supply.

If the power supply is bad, these models take standard power supplies. You should get an ATX 350Watt or higher power supply.

They are easy to replace, unplug the power from the wall, disconnect all the cables inside the computer. Unscrew the four phillips screws outside the back of the computer where the power supply is attached to the case.

Remove and replace.

If you don't feel comfortable with this, a good local computer shop can help you out.

Apr 13, 2009 | HP Compaq Presario SR1330NX (PP161AA) PC...

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