Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: 42 inch magnavox #42mf230a/37
One of the driver IC'S has gone bad. Need to replace just the driver IC or the board that the IC is on and that should solve your problem. If that doesn't do it, then the BAD NEWS IS THAT THE PANEL IS BAD. Replacement is you only option then. Good luck. GURU JAY.
Posted on Mar 16, 2008
first make sure its not an input problem or from an external source.Disconnect all inputs and see if lines are present with no inputs to tv.if lines affect menu and or ON SCREEN DISPAY (top) there is a good chance (SSB) board could be bad .I would start with this board first ,lvds cable (second) and last the logic board (comes only with new LCD)
Posted on Jun 23, 2008
you will need that part to repair yours. i recomend using the heatsinks from yours. u need to check the FETs on the board that drives that one before u power it up, or u could damage the new part.
Posted on Dec 05, 2008
I have over 10 years experience in electronic tech support.
I know this isn't what you want to hear, but the problem you've described can't be fixed with troubleshooting. Your TV will have to be repaired. There is a part that has developed a defect and needs to be replaced. If you're under warranty or you purchased an extended warranty or service plan, the repair costs will be covered.
If you're not in warranty you'll have to pay for the repair. The cost would likely be a minimum of $300+ for parts and labor. The circuit boards in these new LCDs are not cheap at all! I've seen repair costs averaging $450 and up for large LCD TVs.
I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. I hope I've earned a positive rating from you today.
Please let me know if I can be of further assistance.
Posted on Jun 18, 2009
When this happens the first thing to check is the Power Supply, you need to check, that, and all the voltages coming out, ensure the voltages are correct. You MUST get a Service Manual. I have searched for a free one, but the only ones I could find were pay for? Link below.
What you are experiencing is a symptom, the cause lays elsewhere. Something is shutting down the PSU, either a fault IN the PSU, or elsewhere causing it to shut down. It can be quite a number of things that can cause the same symptoms. Please get a service manual and work through the troubleshooting procedures, to even have a shot. I repair these things all the time, I can tell you from experience, it is NOT easy. Good Luck. Should you NOT choose to do-it-yourself, Please ensure you get a firm "Quote" from the qualified repairer before allowing work to commence.
Posted on Mar 18, 2010
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