Question about Samsung TXN2771HF 27" TV

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I have a Samsung TXN2771HF 27" TV and the picture has shrunk to an oval shape in the center of the screen.

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Http://www.samsung.com/us/support/detail/supportPrdDetail.do?menu=SP01&prd_ia_cd=&prd_mdl_cd=&prd_mdl_name=TX-S3082WH Above is your Samsung support site, please go here and download your user manual, so you know all codes etc to service. Then below is a link for a Training repair manual, this will show you how to troubleshoot your issue. The problem, well symptom, is indicative of a failure in the Horizontal Drive circuitry however what exactly has "Caused" it to fail is what must be determined.,
Using the manuals you should work through all troubleshooting steps, ALWAYS start at the Power Supply, and check if the Voltages there are correct, as if they ate NOT, Nothing else can be...
www.scribd.com/.../Samsung-Lcd-Lb350-650-Training-Book
But, trying to repair yourself, is extremely difficult, in any event, so, it is nearly always my professional opinion that one should always get, things attended too by a professional, and obtain a free, "Quote" from the manufacturers recommended service center, Samsung, in your case, please contact a local or head office and ask for a referral to an Authorised service center. I cannot stress how important that last point is. It is even worth the cost of shipping. You see an authorised service agent, will have trained staff, trained on their brand, also they have first hand access to parts, original parts. This will actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives on the option of repair or replace.

Posted on Jun 07, 2010

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