*** As with all instructables, you are taking your item / health / whatever into your own hands. Be patient and careful and you will be successful ! ***
This is my second instructable.
I bought this player on the internet, hoping that a firmware upgrade and a new battery would solve the 'low battery' message problem.
It was a fight to install the new firmware (since you can't skip the warning message), and when the new battery was installed and charged the warning still wouldn't go away.
The only other major component was the HD, so I picked one online and viola ! It works !
I would recommend reading this entire instructable before starting the project. It's not that long, and could help you avoid breaking something that isn't easy to fix !
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Signing UpStep 1Disassemble and replace battery
After you take the screws out, gently lift the top cover off. The volume control is a single part that is easily removed by lifting it straight up, and the power button removal is the same.
Now gently remove the entire assembly, being careful to grab the battery (on the left side) as soon as possible to keep it from damaging the connector, or breaking a wire (don't let the battery dangle by the wire !)
Gently remove the battery plug from the connector and place it aside.
If you're just replacing the battery, do so, then put it all back together, paying special attention to the battery temp sensor. Be careful not to pinch the wires, or break the connections on the board, or the player will not work !
Here is a link for the Riot with battery recalibration information, firmware updates, manuals, etc.
http://www.digitalnetworksna.com/support/rio/product.asp?prodID=2
If you're just replacing the battery, you are finished with the hardware part. Now go to the link above and follow the directions on how to properly calibrate the battery.
If you are going to install the HD as well, head to the next step.
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I didn't change any of the PCB's - just the battery and the hard drive.
If you are planning to swap out any of the PCB's, you have to be very careful with the flip up connectors - I usually use a wooden toothpick to flip them up, working from side to side until they open. These usually get brittle, so they are easy to break.
The battery is just wedged in between the boards, not connected to anything except for the wires that go to the power connector.
I hope that helps! Good luck!
Let me know if it works.
Also, these players seem to be touchy about the USB cable, so be careful when plugging and unplugging the cord from the player. One of my Riots just stopped working after I unplugged the USB cable...