RCA LYRA Jukebox RD2840 40GB does not want to turn
Unfortunately, the RD2800 Lyra family (RD2825, RD2826 an RD2840) mp3 players have a frequent problem in the battery circuitry, and there are two tiny integrated circuits that are shorted very frequent.
You will need to check the power adapter prior to confirm that the problem is in the RCA mp3 player.
Using a multimeter in DC voltage setting, check the AC power adapter gives a voltage of around 5.0 VDC. If so, then the mp3 player is fried.
The repair involves to opn it, and replace the damaged integrated cicuits. Only a qualified technician with tools and parts cando it.
RCA approved repair centers charge $125.00 for such repair.
If you will look for a cheapest way to fix it, you can contact in ebay to the seller with ID Great_items_2004