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Re: [TenTec] OMNI VI illness

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] OMNI VI illness
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 25 Oct 2014 20:01:08 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Most likely a relay coil open being either K4 and/or K5 on the Low Pass Filter board. Both bands, 17M & 15M, use the same filter section which is switched by those two relays. This is the vertical board at the back of the radio.

If you pull them to check them, replace them. Since the coils are wired parallel, it is a bit of a challenge to figure just which one is bad with in circuit measurements. My luck, I usually remove the good one first. Go figure! Tentec Service has replacements. There's 12 of them on the board. Unless you have time and money to replace all 12, I'd order 4 pcs and replace 2 keeping 2 as spare.


73
Bob, K4TAX




----- Original Message ----- From: "Dave Edwards" <kd2e@comcast.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Saturday, October 25, 2014 6:41 PM
Subject: [TenTec] OMNI VI illness


Can anyone suggest if there is anything to check on this problem?
OMNI VI+, otherwise working fine, but....
No output on 15 or 17 meters.
I can hear the signal on another receiver, but no output at all.
Receive OK, and all other bands transmit fine.

Is there something switched in for just 15 and 17?

Thanks for any thoughts!

....Dave
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