Question about LG 42LC2D 42 in. LCD HDTV

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Power supply board

LATE START

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The caps in the power supply needs to be replaced. Look for swollen caps if not you need an ESR meter to be extra sure.

Posted on Oct 16, 2013

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Samsung lcdtv la22a450c1 few days ago late start but now standby release lcd no start.replace new power supply


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.

Jan 15, 2016 | Samsung Televison & Video

1 Answer

MY LG TV MODEL NO 42LG80FR LATE START


I had a 42" LG that began taking longer and longer to power up and finally would not come on at all. I opened it up and found several bulging capacitors on the power supply board. I found a company online that sold a replacement kit of the 10 power supply board capacitors for $18. Installed the new caps and the set has been working fine for two years. You do need to be careful since there are dangerous voltage levels inside of the case and you do need to know how to solder. If you have any doubts, find someone who knows what they are doing.

Oct 16, 2013 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Hp touchsmart 310 pc power flashes 3 times and won't start


people,people please I know I saw it too late but this is the solution
replaced the Power board button with the cable that goes from the power button board to the motherboard.
part # 625223-001 (hp touchsmart 310 swith board(Shasta)
thank you.

Feb 10, 2012 | Computers & Internet

1 Answer

When in standby the led standby light will flash for about 10 mins, normaly late at night


Hello,

The problem is that there is a bad capacitor on the power supply board of the television.Therefore it is going to keep acting that way until the bad capacitor is replaced.

Run a check on the power supply board, you will definitely see the bad capacitor, have it replaced and the television will turn on after reassembling the television back together.

Thank you for using fixya
Caseytech

Sep 12, 2011 | Sharp Televison & Video

2 Answers

KDL-46HX800 blinking 7 times no picture no sound


Hi,

The power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


I hope this will helpout....

May 15, 2011 | Sony KDL46HX800 46 in. 3D LCD TV

1 Answer

Picture out of focus, can not line up crosses in the set up


You will need the convergence power supply board . You can get one from www.tvrepairworld.com which has instructions for the removal and replacement of the board. You can call them they are open late 7 days per week.

Jan 14, 2010 | RCA HD52W59 HDTV Projection Television

1 Answer

I have a HP transparency adapter #C7671A with a small circut board inside. There's what looks like a small coil or transformer in the ceter about 1'' sq. with heat problem. #'s on it are L9107A2 and 991126...


Are there semi conductors on this board?
Can they be easily described?
It might be a power supply board
A transformer a bridge rectifier and a voltage regulator is there any capacitors on it?
It can be a linear power supply but since the late 80's I seen mostly switching power supplies describe that case and leads
if I find can find that other number it may be not as easy.

http://www.alldatasheet.com/view.jsp?Searchword=L9107

Aug 02, 2009 | Office Equipment & Supplies

1 Answer

Bestec atx-250-12z rev d hp model 5187-1098 pc will not start up when pushing button on front of machine green led on back of p/s flashes with power cord plugged in. does this indicate a p/s failure?


I have already replaced mant Bestec ATX-250-12E power supplies because they have an internal failure. Consider yourself lucky if the thing doesn't power up your computer because it has a problem of imposing the +12 volt line onto the +5 Volt line then blowing out the mother board. Sometimes you aren't so lucky because once the damage is done then it is to late to just simply replace that piece of junk. I was lucky with my daughters E-Machine because if she tried pressing the start switch on the front of her computer it would sometimes come on and sometimes not. She just mentioned this to me and I immediately replaced that Bostec ATX-250-12E before it could do any damage to her computer. If anyone has an older E-Machine or an older Gateway machine then it would be a good idea to see if it uses that Bostec-ATX-250- 12E. If it does then go order another power supply, anything but a Bostec, and instead of a 250 watt order a 300 watt or better. I hope that this has helped those that might have this problem before it destroyes *********** boards. Marty

Mar 23, 2009 | Gateway Emachine Bestec ATX-250-12E PS...

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