Introduction
This guide details the steps to replace the internal speaker of your Inter-tel IP 8660.
Tools
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Before disassembling the phone, make sure it is not plugged into power and the handset phone cord is disconnected from the handset jack.
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Unscrew the 9 highlighted screws using a #1 Phillips head screwdriver. You can use a magnetized screwdriver to draw them out.
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8 mm long
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11 mm long
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While holding down the motherboard, gently pull the wire harness connecting the speaker to the motherboard until it comes free.
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Conclusion
To reassemble your device, follow these instructions in reverse order.
