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Power failer when switching on tv

Fuse in plug is blown when switching on television have tried a couple of fuses. No other fault. Goodmans 28"

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A fuse blows when there is a fault and it is the first line of protection for the equipment. The fuse used in a typical plug is rated at 4A/220V. This means that a indeed fault does exist inside the equipment that is forcing it to draw a current greater than the rated. Almost certainly, the primary circuit of your Goodmans is at fault. If you are familiar with TV repair then check the bridge rectifier as well as the reservoir capacitor, with the switching semiconductor (BJT or MOSFET or IC) removed. If the fuse blows then the rectifier/capacitor are to blame. If not, then the semiconductor is at fault. If you are a novice, then rather refer servicing to a qualified tech since the risks outweigh the benefits.

Posted on Jan 09, 2008

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