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The memory back-up battery is located under the top control panel of the Juno-60. The battery type is a CR-1/3N Lithium battery. To access the battery, FIRST UNPLUG THE JUNO POWER CHORD FROM THE WALL:

1. Remove the two Phillips head screws located on the left and right side panels, one on each side. Once the screws are removed this will allow the control panel to rotate open, pivoting at the back edges of the panel. Lift the panel where the piano keys meet the panel.

2. The original battery is located on the right side of the main circuit board and has metal tabs spot-welded onto each end of the battery terminal buttons. The other end of the metal tabs are soldered into the circuit board. Make note of the battery polarity orientation before attempting to remove.

3. Using a 30-40 watt pencil soldering iron, heat each tab near the circuit board. As the solder melts, wiggle the tab while lifting away from the circuit board until the end if free.

I have found it difficult to find CR-1/3N Lithium batteries with spot welded solder tabs and have several alternative suggestions. Although it is possible to find CR-1/3N batteries without the tabs, one could snip the ends of any 1/2 watt resistor and solder the ends onto the battery buttons, but it is a bit tricky. If too much heat is used the battery can be damaged. A better alternative is to use a computer CMOS style 3V Lithium button battery and purchase a circuit board mounted button battery holder where the original battery terminals were located (these are usually available at Radio Shack).

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