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My Samsung LCD TV LA32B350 SMPS Board got short circuit by a lizard. Can i able to repair it? Or if not tell me the cost of a new SMPS Board. Please help me sir.

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SOURCE: Circuit diagram Samsung LE23R88BDX - LCD TV

when I turn off and then Turn on after 10 minutes the TV notwork(by using remote or touch button). I try to disconnect power supply andthen reconnect and waiting a couple of minutes and turn on but no work (nosound and black desktop) .I repeat this procedure many times so some timework and sometimes not work. please help me to solve this problem

Posted on Aug 28, 2011

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Samsung LCD TV didnt turn on


Sounds like The main power supply regulator section circuit fault. 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. 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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
BN44-00341B - will be the number of power supply board used with this TV. Check it. If so, visit the site linked here to see its circuit diagram. Try to follow it, and do a repair work, or replace it.
Good luck

Oct 15, 2016 | Samsung Televison & Video

1 Answer

Repair of samsung tv


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. Pull up older posts.
http://electro-medical.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.

Apr 18, 2016 | Samsung UN50F6300AFXZA - UN50F6300AF 50...

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I have a samsung lcd TV with a power board bn44-00264a. One day the TV just quit working even the red indicating lite does not work. I opened it and the 3.15a fuse, replaced it and blew again. Help!


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.

May 24, 2015 | Samsung Televison & Video

1 Answer

Samsung tv wont turn on


Fault in 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.
There are circuit diagrams [schematics] to some model power supply boards to Samsung. BN***** Series SMPS. Check it, and try to repair if you're sound in electronics, and has previous work experience in repairing the SMPS power supplies.

Feb 25, 2015 | Samsung Televison & Video

1 Answer

TV dead due to house lizard


Hello Benjamin
You've already posted this fault. Do you recognize me? Go to your mail and check. The part is not a MOSFET. It is STR. See the schematic circuit.

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1 Answer

My LG LCD 42" tv makes a screeching noise when turned on


The main power supply regulator section circuit fault. 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. 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.

Jun 06, 2017 | LG 42LG50 42 in. LCD HDTV

2 Answers

42 inches LCD TV,Aqous brand. where to buy parts inthe philippines


Sometimes the lizards can cause a lot of board wear-off as they being highly conductable and when shorted within the electrical circuit can make the secretions runs into the board therby contaminating and shorting circuits. If you are able to remove and use petrol to wash off the dirt on the board, look for open tracks that have burned or corroded. If you are able to trace and rewire using thin strands of wires , and assuming that no component damage had taken place, you can try this out.
If not as suggested you need to find the cost of a new board if a final consensus is taken.

Nov 07, 2011 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

We have the Samsung LN46B650 - vertical lines just appeared last night with no apprent trauma to the TV. We were told by the repair shop it was either the screen or the circuit board. Does anyone have...


The problems u discribing could be either boards the Tuner board or the T-con board.The Tuner board is the board,take in the incomming signal cable.The T-con board is the board sit right in the middle botton of the LCD screen.To regulate and control the ditgital signal go into the LCD screen.If there no trauma to the LCD screen panel.Try change the T-con board first,because it small miner board and it cheaper $50-$75.The Tuner board it a major board and it big and it control all the incomming signal to the tv.This board,will cost u $150-175.Tries websites like Shopjimmy.com,Ebay.com to buy either T-con or Tuner boards.Change either of those boards or both.Same problems after this the LCD screen is short in useage and it dead.Not worth repairing,if LCD screen panel is dead,because it limited production and 90% important to the tv.It will,cost the same to replaced as to buy a new tv.If tv require a new LCD screen panel.

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