Question about Samsung Touch of Color LN52A650 52 in. LCD HDTV
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Posted on Jan 02, 2017
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 firstname.lastname@example.org
Posted on Jan 05, 2009
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
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
Testimonial: "Great fix"
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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