Question about Samsung HC-R4755W 47" HDTV
After about 5 min. somedays and 4 or 5 hours others the TV will turn itself off and back on constantly. A tech suggested a new power supply. Not sure. Help.
Have Capacitors checked in the power relay circuit, also if you have young children who like to push the buttons on the front of the set make sure none of the buttons are sticking inward or stuck in a pushed in posistion. More then likely it might be caused by a faulty System control board which we call the signal board, or bad connections on the power supply, Have a tech check the connections on the Flyback transformer and the High Voltage Deflection Area on the HV Power supply. I believe you have Cold Solder Joints in the HV Power Supply.
Hope you this helps you..
Posted on Sep 21, 2009
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Posted on Jan 02, 2017
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