Introduction
Removing the PCB board requires a Phillips #1 screwdriver with at least a 15 cm shaft and a set of tweezers. Make sure there are no batteries in the device and that it is not plugged in before starting the procedure.
Tools
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            Turn the clock radio over so the bottom is facing up. 
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            Pull the tab upward and remove the cover from the battery compartment. 
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            Remove the batteries. 
 
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            Remove the five screws on the bottom of the device with a screwdriver. 
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            Grasp the top and bottom and gently pull apart. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.