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Samsung ps51d8000fu My TV would not turn on. Checked the circuit board everything looked OK, No bulged capacitor. When I pressed the remote control, the light turned from red to nothing without any display or sound. Please help.

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Samsung TV cycles on and off continuously


Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. 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/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Jul 07, 2015 | Samsung Televison & Video

1 Answer

Samsung tv model UN55B6000SF will not turn on. The capacitor's all look fine none are bulging on the top. What could be the problem?


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.

Feb 16, 2015 | Samsung Televison & Video

1 Answer

Why isnt my samsung tv powering on?


usually with samsung tv's they use 10 volt capacitors on a 12 volt circuit board , most definatly one of the capacitors has bulged or popped on the power board if you do not know what a bulging capacitor looks like please google a pic of it then take the back of your tv and check the power board for bad capacitors

Aug 14, 2014 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Samsung ln40a450c1d no picture on screen when pressing the channel button it blink only with a low grey look no sound or picture thanks


Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Jun 05, 2012 | Samsung 460UX-2 LCD TV

2 Answers

Tv light flashed and cut off . turned back on and green light turned red and blinked 6 times pause then 6 blinks etc... tv will not power on. checked lamp seems to be ok. checked power supply board and...


Hello,

Your power supply board is not yet dead, u know basic electronics' and soldering? You have to open the back cover of the television check for dry soldering on the printed circuit board , if found resolder but if not 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 help in solving the problem...

Nov 29, 2010 | Televison & Video

1 Answer

I have a Samsung LNS3251D 32-Inch LCD HDTV , that after two years of use is going Off/On every ten seconds after the initial turn On. I understand from reading this forum that the Samsung 40 inch LCD has a...


In almost all cases where the set is taking a long time to turn on and then turning off it will be the Power Supply board that will have bulging capacitors, usually three to five. Look on the upper right side of the Power Supply and look for any blown caps. You can replace these caps and you will be fine. Now the other cause can be the Power Switch is shorting out. You can disconnect the the Power Switch but not the IR sensor and then turn ON the set with your TV remote and see if this stops the problem. If you are not skilled in component level repair on the Power Supply board then buy a new Power Supply board and install it.

Apr 15, 2010 | Samsung LN-S3251D 32 in. LCD HDTV

1 Answer

Magnavox 50ML8105D/17. We moved and the tv worked fine and now nothing. Just 2 red lights. Temp and Bulb. I replaced the bulb about 6 months ago. all I did was move.I carried it myself. I have checked and...


My magnavox died due to cheap capacitors on power supply board, a common problem for magnavox tv's from wot i found on net!
I replaced a 2200uf 10v electrolytic capacitor and it works now:)
My tv would take a few atempts to turn on and finally would not turn on,light stayed red!
i recommend visually checking for bulging or blown capacitors on power board, if it all looks good, try warming the board with a hair dryer, this might be just enough to get it to fire up, so at least u know the prob is in that area.
I looked for a 2200uf capacitor near the low voltage output from board n replaced it, got lucky first one, I was expecting to replace all the low voltage electrolytic capacitors.

Justin

Feb 02, 2010 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

3 Answers

Hi my samsung lcd tv model le40s8, it won't switch on when i press the power button on the remote the red light starts to flash and it makes a clicking noise and won't turn on


if you can do soldering work, replace two 1000uF10v bulging capacitor with 1000uF 16v or 25v in powersupply board. you will save $200.

Aug 17, 2009 | Samsung LN40A450 LCD TV

1 Answer

Umada mod lwd400-s1


a matter of broken electric electric capacitors inside your TV.

Solution:
- Open backplate (loads 'o screws and ruins your warranty)
- Remove the connectors from the center circuit board
- Remove the circuit board via 4 screws located on the side
- Remove plastic on the back of center circuit board
- Remove cooling plates of circuit board
- Look for bulging capacitors
- Solder these out
- Go to local radio shack, take the capacitors (and spend about 5$)
- Resolder new capacitors
- reinstall circuit board
- Hook everything up and close the back plate

Voila! (at least, this worked for me)

Jun 14, 2008 | NEC MultiSync LCD4010 40 in. Television

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