Introduction
Is your receiver's sound distorted, or not producing sound when watching video? Try replacing the speaker to solve this problem.
Tools
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            Remove the battery cover on the back of the LCD monitor by unscrewing one 5mm Phillips #1 screw. 
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            Slide the battery out of the housing. Lightly tap the opposite end of the monitor if the battery does not come right out. 
 
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            Using a plastic opening tool, gently separate the back panel from the front panel, working the tool around the panel to disconnect it. 
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            Carefully remove the back panel 
 
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            Locate the motherboard and carefully pull the red and black speaker wires out of their harness. 
 
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            Using a metal spudger, pry the melted black plastic away from the speaker. 
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            Carefully pull the speaker out of its housing by the wires. 
 
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To reassemble your device, follow these instructions in reverse order.