Question about Televison & Video

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Coby 27 inch i believe

Was just watching it and all of a sudden screen went black but sound stayed on

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  • Televison & ... Master
  • 73,698 Answers

Check and replace damaged component/s at its back-light inverter circuit.

Posted on Jul 15, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

rlamkin
  • 44 Answers

SOURCE: 42px5d got sound but no picture

You need the Y sustain and y drive boards. No idea where to purchase in australia, but you may be able to order them from LG.

Posted on Jul 03, 2008

dgjtex
  • 405 Answers

SOURCE: screen went black while watching, no sound

Almost for certain your power supply board is bad, Can be repaired at the component level only if you have some electronics savy! Good Luck!

Posted on Dec 26, 2008

  • 46 Answers

SOURCE: heard a pop and screen went black

Sorry thats the death of your tv I
m afraid, the pop you heard is either your lamp or tube going boom.

Posted on Apr 04, 2009

  • 814 Answers

SOURCE: I have a 37 inch Insignia flat screen tv. This

This unit needs to be tested in a service center because it has problems with the operation of the video card. This could be caused by a loss of voltage supplying the video card from the power supply card. Or a failure on the video card itself. You can purchase parts for unit from Best Buy Parts at !-888-237-8289 and get customer service at 1-877-467-8289. You should get an estimate from the service center, That should tell you which parts are bad and then you can proceed from there. If the prices seem too high for parts and labor from the service center, try buying the parts yourself and have them install them for you. You should try to check the prices on the parts , just to make sure you are getting a fair deal.You can do this by getting the part numbers, you should ask the service center to provide the part numbers needed if they need to replace the power supply board or video board and with your model number of television check out the prices and availability at the Best Buy Parts website.Of course if the television is still under warranty send it in for warranty service. Hope this helps you with your problem.

Posted on May 13, 2009

budmrtn
  • 11361 Answers

SOURCE: 32" flat screen that went black

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 17, 2009

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I have a Sony FD Trinitron 27' Model # KV-27FV310. It is approx 8 years old. After turning it on and watching a full screen for a few minutes; all of a sudden, a line came across half the screen;


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