Power adapter / transformer voltage, is this a safe combination?
I have a digital photo frame and lost the original power adapter. The sticker on the product says it uses 5V DC 2A. I found another transformer that will fit and power it but I don't know if this is safe. It is marked 5.4V 2410 mA. I don't know what the difference is and certainly don't want to damage the product or start a fire. Can someone confirm that is is safe to use the alternate transformer? Thank you!!
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If you have not already done so, try another power adapter. In some cases, the cord between the power rectifier/step down transformer (the part that actually plugs into the AC outlet) and the connector at the frame end, becomes kinked or broken. The connector at the frame may also have become worn and not propely connected? If a second adapter does not work then the unit is faulty. Take it to your nearest service center for repair. (it may be less expensive to purchase another digital frame?)
If the adapter works with another device then the frame is bad. If the frame works with another power source then the adapter is bad.You can also measure the voltage between the contacts on the output end of the adapter to see whether you're getting any juice out of it when it's plugged in.
If you can determine the voltage and polarity of the input (often embossed next to the socket) then you will be able to find a generic replacement. Most of these use a standard concentric plug that is a different size for different voltages.
There are power supplies that have adjustable voltages and an array of different connectors, although the single voltage ones are neater. You will also need to make sure that the power supply you get can provide enough amperage or wattage for your frame. If you still have the old power supply you can get the information off of it.
My first stop for buying this sort of thing is Amazon. You can also find many such items on eBay.