Question about Sharper Image (SI721WHT) Clock Radio
Had this unit for years and it just stopped working with the power cord one day last week. Even though the female end of the cord snaps into the internal slot cleanly, it does not appear to be making or holding a solid connection. I'm thinking the internal prong that the plug envelops is out of alignment. Device seems to work with batteries, but I don't want to have to rely on them. Any ideas?
When you say 'power cord,' do you mean a detachable AC cord or is there an external power supply that plugs into and outlet?
Those are two different animals and if the receptacle end that plugs into the wall is a small box, you cannot replace it with a simple 2-wire cord as the small box is actually a primitive power supply.
If so, there should be rating printed on the flat side that faces the wall and will have something like '12VDC 200 mA'
If so, it has probably died.
Most connectors don't fail unless they are frequently plugged and unplugged as they are for camera chargers for example.
If you bring the modular supply to any electronics store, they will surely have a meter to see if anything is coming from the supply.
Alternately, you could buy a cheap digital multimeter and check it yourself.
There is a huge variety of universal 'wall warts' that will take the place of a dead one but you must be cautious about polarizing the supply output with the provided means; often simply plugging the wall end of the output cable in one way or the other.
If you incorreclty polarize the the clock end, you may damage the clock radio forever.
If you have a friendly Radio Shack store in your area, I would just bring both clock radio and its supply to them and ask them to check the supply and sell you the right one as a replacement if defective.
You may be able
Posted on Sep 03, 2008
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Posted on Jan 02, 2017
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