Question about Philips Magnavox 42MF521D/37 Television

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Phillips Magnavox Model 20MT1331/17: It shuts off

Phillips Magnavox Model 20MT1331/17: It shuts almost immediately in repeated attempts to turn it on (this can go on for 1/2 to 1 hour, sometimes longer). Rarely, it will stay on, but then at some point, it suddenly shuts off again. The settings indicate that no sleep setting or other timer is active. I've disconnected it from the cable box to be sure the problem is the TV, and the TV still has the same problem.

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  • a_leclaire Apr 13, 2009

    Thank you for trying to help, but I don't know what you mean???

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The poster, Jim K, is probably in possession of at least a layout of the power supply and the 'location' is likely derived from a grid used to physically find parts on a board.
220 uF is a common value for an electrolytic capacitor and the 200V is the rated sustained DC voltage it can tolerate. 
The 130 volts could be caused by a capacitor that is failing and not smoothing the rectified voltage as it should.
In other words, you kind of need a tech.   

Posted on Apr 14, 2009

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Location 2504 220uf 200 V Open B Plus Was Low 130 Volts.

Posted on Apr 13, 2009

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