Question about Sanyo 42 in. LCD TV
Hello, a no picture with sound condition can be caused by several things inside your LCD TV. A power supply circuit with a missing voltage source could be one cause of the problem, an inverter circuit or HV circuit could be another. The best answer to your question is to have it checked out by a qualified tech. If you have a little knowledge of electronics you could try to repair it yourself, you can sign up for our great tech support where they can assist you on the steps to take to get it up and running.
Posted on Nov 06, 2010
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Posted on Jan 02, 2017
I wrote this for another post but it applies here also:
This sounds like your inverter or back-light has gone out. What you can do to test this is to turn the TV on and then turn off all of the lights until the room is dark. Then shine a flashlight at an angle on the screen and see if you can see a picture. If you can the back-light and or inverter has malfunctioned. If this is the case, then I would suggest that you have a qualified TV technician fix this problem, but first ask for a estimate because the inverters and back-lights are sometimes part of the screen and is it is you might as well buy a new TV.
If the inverter is a separate board, If you have a background in electronics you might be able to repair the board, however if you do not have a background in electronics, again I would suggest getting a qualified TV technician to work on your set.
I hope this helps,
Electron-Age Technologies LLC
Posted on Nov 28, 2008
SOURCE: Sanyo lcd tv blinking
Power supply board is dead.Replaced the power supply board will solved this problems.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Posted on Apr 02, 2010
Hi there! The panel may be in protection mode. The Inverter board is the most logical area to start after checking power supply Voltages.(5,6,24 and 13Volts). There may be coils on the Inverter Board which have bad soldering or faulty. Other than this it may be main board which controls switch on or off. If all else fails, refer to a repairer. Beware of High Current!!! Best Wishes and Good Luck, Jus004
Posted on Aug 23, 2009
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