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I have a Philips tv model # 42TA2800. TV power suply gives buzzer. Can you tell wich part from power suply does not work. thans

Power suply turns on. But power suply gives buzzer. Does not display picture. Wich part have to replaced from power suply. Pleas advice me. Thanks.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Viewsonic N3250W no power light ?

check out this website, it's got everything you need. I have to give all the credit to Alain, a brilliant guy in France who dug in and solved the problems. he gives instructions for the professional to fix the problem, but he also gives the sources for the power supply board to be purchased and for the little chip that causes most of the problems. I decided to take a risk and save some money and bought just the chip for $20 and very carefully soldered it in after removing the old one. The tv is fine a month later. The board comes out with no soldering, just some quick connectors and the back of the tv will come apart after you remove all the screws and the base by gently prying the back case from the front bezel along the sides of the tv. if you look closely, you will see the small cavities to pry from.

here's the website:

http://pagesperso-orange.fr/alain.mionnet/enii3210j.htm

Posted on Aug 06, 2008

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SOURCE: Hi. My Philips flat TV will not show any picture

I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsung. Known to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio connections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Is a Link to a photo of the PCB. Make a note of the locations of all cable connections then unplug them all. Un-install PCB, Check all Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. Look to see if the Caps are deformed and or split at the top. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.

Posted on Jun 25, 2009

SOURCE: sony ke-42ts2u. When you hit the power button,

i have same problem did u find the fault

Posted on Sep 23, 2009

  • 17 Answers

SOURCE: Mikomi TV power pack/transformer/AC adapter replacement

Do not buy anything from LCDPayless. They are crooks. I order power supply for Protron 32" and they sent me some garbage that is not working. I returned it and they refused to reimburse me full amount and then they claimed they didn't receive it at all. STAY AWAY FROM THEM THEY ARE THIEVES.

Posted on Feb 11, 2010

  • 1768 Answers

SOURCE: Plasma tv picture not coming on and power light flashing

Yes, you have power supply issue.
the power on circuit is malfunctioning and the flashes is the indication that the voltage levels for the power on regulation is not correct therefore shut down to protect the circuit from further damage. You TV unit needs servicing by an plasma TV specialist.
Also check to see if you do not have the TV in sleep or hibernation mode.

Posted on Apr 23, 2010

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Fuse and fet / eft of power supply fused no. W18NK80Z. this is not available. Philips lcd model no. 42TA2800.


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.

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check the fuse resistor for tea1506 and confirm that all parts
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check well any mistake will destroy the new parts

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