Introduction
Using this guide you will be able to replace the tuning wheel. If the radio station doesn't change you might have a problem with the motherboard.
Tools
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            Take out the six screws located on the back of the device. 
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            The red screws are 10 mm Phillip's #1. The orange screws are 13 mm Phillips #1. 
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            Three screws are located on the back panel. One is located inside the battery carriage. 
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            Two screws are located on the on the back panel on the bottom left and right side. 
 
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            Remove the two 10mm Phillip's #1 screws. Also remove the two reinforcements holding the speaker in place. 
 
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            First release the latch highlighted in the picture. Then grab the screen by the bottom and lift it up. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.