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TOPIC: No output power in 20 and 30m bands!

No output power in 20 and 30m bands! 11 May 2020 15:00 #1

My MB1 has no output power in 20 and 30 m, all others HF bands are ok.
Any help?

Fernando
PY1FR
Brazil
Fernando Rodrigues
PY1FR
Niterói - Rio de Janeiro
Brazil
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No output power in 20 and 30m bands! 12 May 2020 18:27 #2

Problem solved!

I contacted Roman and as usual, he sent instructions for me to check a part of the circuit.
I sent some photos and found that one of the LPF coils was a little darker.
We suspect it and some nearby capacitors.
But before closing the radio, I lightly hit one of the relays next to this coil and the radio started transmitting with normal power again.
Thank you very much Roman for sending the instructions and guidance to solve the problem. Now I will wait for the coil, capacitors and one or two relays to be sent, just in case I need to change them one day.
Fernando Rodrigues
PY1FR
Niterói - Rio de Janeiro
Brazil
Last Edit: 12 May 2020 18:29 by Fernando_py1fr. Reason: word correct
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No output power in 20 and 30m bands! 13 May 2020 06:24 #3

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No output power in 20 and 30m bands! 14 May 2020 16:59 #4

Yes!
You right!
Roman always repply my e-mails.
73!
Fernando Rodrigues
PY1FR
Niterói - Rio de Janeiro
Brazil
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