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Harris / MA/COM / GE / Ericsson Forum - For general discussion of MA/COM EDACS and ProVoice systems, including equipment.

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Old 12-14-2017, 2:35 PM
kb4cvn's Avatar
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Exclamation PTT Button Issue

Do you have a P5100, P5200, P7100 or P7200 with a flaky or non-functional PTT switch?

Where if you removed the plastic PTT button and the black sealing goop under it, you can PTT the radio with a pointed object?

The earlier ‘fix’ was to replace the entire front cover. ($$$)

This was documented in TSM #TSM28-14B (November 15, 2007), and Harris later offered a PTT Repair Kit (PN# G4UK07720 ) to fix this issue. Total installation time is about 10 minute per radio.

New London Technology (434-525-0068) has a limited number of these repair kits available for $15.00/each. (I suspect this is a cheaper price than original retail.)

I purchased a few of the kits yesterday and they resolve the issue.

Last edited by kb4cvn; 04-24-2018 at 1:16 PM..
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Old 12-17-2017, 7:34 PM
Join Date: Sep 2002
Location: Florida, where you wish you were!
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If I had a pristine example of the rubber button part that degrades, I COULD have it duplicated in long-lasting silicone rubber in quantities of thousands for pennies each.

I'm surprised nobody has done that yet.
No, I will not program your radio for you. No, I will not give you any software. Don't ask unless you want a rude answer.
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Old 12-18-2017, 5:32 PM
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That would be a great option!
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Old 12-20-2017, 6:05 AM
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I have done this to a number of radios, and while removing the PTT outer button can be tricky, the changes completely fixes the problem on radios with the problem.
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