Question about Samsung Touch of Color LN52A650 52 in. LCD HDTV

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I have a samsung ln52a650a1fxza lcd tv. it turns off and on continuesly i replaced the power supply board and the pc board still having the same problem

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

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Posted on Jan 02, 2017

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  • 2336 Answers

SOURCE: Samsung LN-S4051d power supply board

The replacement of the power supply is quite easy. You will have to remove the base if applicable and the back cover, once you remove it; you should see the power supply.
Click here to see how the power supply looks like and availability or Click here to find a cheaper one.

I can also repair your power supply. If you need further assistance you can write to jah2mil@hotmail.com

Posted on Jan 05, 2009

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Cool_dud 09
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SOURCE: power supply board

Hai,
Please check on here....you will find it out!

Posted on Aug 23, 2009

  • 13 Answers

SOURCE: 37"scott lcd tv power supply

Hey gessneruk, remember the one you and I were working on saturday that had no +24V? I got it up and running!

I had lost +24V on my power supply (Megmeet MLT386) and found F2 on the power supply blown out (3.15A). This was caused by a shorted QA2/QA2A (both are 9N50C FET transistors) After replacing these it still did not work, I found that four .47 ohm SMT resistors at R233 through R236 were blown open, I replaced them with a single .1 ohm 2W resisitor, I also had to replaced transistor QF1 (marked 2X4). After replacing all of these components, I restored the +24VDC and the tv.

Posted on Sep 15, 2009

  • 927 Answers

SOURCE: Samsung model LNT5271f excessive relay cycling before full power

Howdy,
Yes, it is very easy to repair. Solder iron wattage should be at least 300 w.

The PSB is the center Board (towards left) after you remove the back off the TV. Remove the shield that covers the Boards and remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Good Luck, big IRISH.

Posted on Dec 28, 2009

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  • 927 Answers

SOURCE: Which Replacement Power Board for LNT4665F Samsung LCD TV?

Howdy,
It would be a lot cheaper if you just replace the two caps that have gone bad. Just get a cheap solder pencil from the store and about an inch of solder and you are in business.
The Power Supply Board is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Thaks for using FIXYA, BIG IRISH.

Posted on Jan 02, 2010

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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.

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but you have to open your TV first and find out model number

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