Bob...is the low pass filter board such that the relays can be removed
with the board in the radio...or does the low pass filter board have to
come out? Am I correct in that EITHER K4 or K5 could be bad causing
both bands to go out? So, if I replaced them both...I'd solve the
problem...or take one out, then I can measure them individually...one
out, and one in the radio...hoping that I removed the bad one. Is that
about right??
....Dave
On 10/25/14, 9:01 PM, Bob McGraw - K4TAX wrote:
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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