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42MF230A/37 My picture and sounds goes off then goes back on in 5-10 seconds. Is there a resent button. We unplugged it from everything and replugged it back in but still does it especially after it has been on for a while.

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Within the power supply, you may find dry joints. The go high resistance when they warm up due to movement caused by temperature change or viabration etc.
Check all components that are on heat sinks for bad solder joints and electrolytic capacitors that are swollen.
Hope this helps.

Posted on Nov 08, 2010

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Check the power supply, Y and Z sustain boards caps, fuses, burnt parts first.

Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

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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.

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