Hello Wolfgang,
Great amp, love mine. Does the problem exist on all bands or just on one band?
73, Mike Cumbo, ND4S
Sent from Mail for Windows
From: Wolfgang Peringer
Sent: Tuesday, March 7, 2023 12:51 PM
To: TenTec@contesting.com
Subject: [TenTec] Problem with Hercules II
Hello:
I have a problem with my hercules II. When switching from transmit to
receive there is a loss of sensitivity. The problem is intermittent.
Keying the amp a couple of times the sensitivity returns. Problem exists
with keying via VOX relay and also with QSK mode. Switching the
amplifier off brings the sensitivity back at once. I think there is a
problem with a contminated contact in one of the relays in receive. The
Kilovac K41C vacuum relay in the output was o.k. After instaling a new
relay the problem still exists. Maybe one of the relays on the Input
splitter board (81430). Probably K3.
Any ideas?
73
Wolfgang
dk7cy
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