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I have a Sharp 60" TV with no sound or picture; but on Netflix it's ok; which circuit board do I need to replace?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Purchasing an internal circuit board part for a sharp LC 20S1E LCD TV

send me the model and serial number and i will be able to advise you

Lou Margo
Allied Electronics
loumargo@verizon.net

Posted on Dec 24, 2007

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  • 298 Answers

SOURCE: Replacement circuit board for my Sharp 36r-S50

Yes, you can find replacement circuit board and any other accessories at Andrews Electronics.com.

  1. Go to the Order Parts menu
  2. Type in your model number with NO DASHES.
  3. Locate the part you are looking for in the listing that shows up. If your part is not listed, email quotes@andrewselectronics.com to request the part you are looking for.
Or I will be happy to assist you if you reply here as well.

Posted on Mar 13, 2008

dsacco86
  • 1077 Answers

SOURCE: Sharp 42' LC-62C42U main circuit board needs replacement

I would recommend Shopjimmy.com.
Parts are at reasonable prices. Compare with the prices at Partstore.com and you'll see what I mean.

Posted on Aug 07, 2009

  • 6 Answers

SOURCE: HPT5054 50 in. HDTV-Ready Plasma Television: Samsung HPT5054X/XAA - No picture, Sound OK, Have ...

It's not the x main. 90% of the time it's a y buffer that goes out. It's usually the top buffer. 3/4 of the time the buffer takes out the y main board too. You cannot just replace the y-main or buffer because it will just burn out the other within seconds. Also about 1/4 of the time it'll take out the top transformer on the power supply too. The solution? First disconnect the power to the y main board. turn on the television and check the voltages coming off of it. Careful it's high voltage 208V! Remember it's DC too. Then disconnect the buffers from the y main board. You can try powering the y-main up to see if the little LED lights up. This does not indicate it's working though but it'll tell you if it is possible to fix. The fixes for these boards is only for electronics guys. It usually involves replacing 1-3 capacitors and 1-4 FET's. Since a bad buffer can take out a good y main in seconds it's usually recommended that one replace all 3 boards at the same time. It's a $250 fix. How do I know all this? I've now repaired 5 of these televisions. I owned one and spent close to 600 repairing it. I bought misc parts and broken sets online for months before I had 2 different repair guys walk me through the process of repairing them. I had so much cash tied up in parts that I bought 3 more dead sets and repaired them to justify all my spending. I've never had an x board fail. I've had EVERY top buffer fail. I've had all but 1 y-mains fail. and 1 lower buffer fail. I've also had the y buffer fry it's top chip, blow a capacitor and FET on the y-main, and fry the top transformer on the power supply before my eyes. It only took 5 seconds. Replacement of the 3 y boards will almost always fix the sound but no picture problem. Hope this helps!

Posted on May 26, 2010

mikedenney
  • 150 Answers

SOURCE: I just got this Vizio

Before you go to any more trouble troubleshooting potential hardware and/or connection issues, look at this page of reviews on Dell's site, taking special care to read 'Review 8' by an owner named 'Milwsport'.

Posted on Feb 27, 2011

Testimonial: "thanks for the quick informative response!"

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http://electro-medical.blogspot.com/
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