This is the same Kenwood TS-130S I was showing in a previous video- it works, but after 40 years, it's got a few things that need fixing.
Specifically, some relays on these old Kenwood transceivers tend to get a bit dodgy, their contacts get corroded and/or oxidized, and they don't work properly. In this case, the RF attenuator relaly was simply not working at all, so I replaced it with a NOS version I ordered online.
The relay in question is an Omron G2E 12V SPDT relay, which has been out of production, along with its compatible replacements, for a long time.
Негізгі бет EHV #4- Replacing the RF Attenuator Relay on a Kenwood TS-130S
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