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Topic: V4 issue (Read 1613 times)
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WD8BXS
alter Hase
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Posts: 286
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V4 issue
« on: 05. June 2018, 17:58:48 »
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I am working on a fellows V4, when you plug in the mic, the red and green LED's are flashing, transmit is pulsing on and off.
If you Press PTT, then it goes into transmit. When you release it starts pulsing again.
If you remove R8, the pulsing stops and you are able to PTT again.
Any ideas??
Chuck
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 Logged
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Thanks,
De WD8BXS vy 73
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WD8BXS
alter Hase
Offline
Posts: 286
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Re:V4 issue
« Reply #2 on: 05. June 2018, 19:00:42 »
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Tried another mic,
If I use a jumper, the PTT works fine .
Why then when I remove R8 does it work fine? Doesn't that eliminate the PTT line as the problem?
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Thanks,
De WD8BXS vy 73
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WD8BXS
alter Hase
Offline
Posts: 286
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Re:V4 issue
« Reply #4 on: 05. June 2018, 23:04:10 »
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Thank you, I added the pull up resistor and that took care of this issue.
Thanks again,
Chuck 73 !
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Logged
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Thanks,
De WD8BXS vy 73
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