[TenTec] Omni 6 "lights"

[Jim Goudie]

Thanks for the help!  I'll dig in there, and I'm glad that there's 
hope for a simpler solution than a relay.

Jim

At 1/27/2009 08:13 PM, you wrote:
>Sounds like a case of loose connector or connectors inside the radio.  Lift
>the cover and carefully re-seat each and every white connector.
>
>As to using De-Oxit........good stuff but too much is too bad.
>
>73
>Bob, K4TAX
>
>
>----- Original Message -----
>From: "Ken Brown" <ken.d.brown at hawaiiantel.net>
>To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
>Sent: Tuesday, January 27, 2009 2:30 PM
>Subject: Re: [TenTec] Omni 6 "lights"
>
>
> > Hi Jim,
> >> My Omni 6 has gone "dark" on me at times:   By "dark" I mean that
> >> the light for the meter went off and the frequency display LED's were
> >> off as well.  The rig continued to function normally... I completed a
> >> qso "in the dark" the one time.  Turning the rig off and then back on
> >> has solved the problem each time.
> >>
> >> I assume that it may be a relay acting up.
> >> Am I on the right track?  Any advice?
> >>
> >>
> >>
> >     No, I do not think you're on the right track. The only relay in a
> > Omni VI that switches power is a single pole relay. If it failed you
> > would not have been able to complete a QSO. If the rig is still
> > transmitting and receiving, I think that relay must be working. Maybe
> > one of the connectors on the DC POWER INPUT BOARD, where the relay is,
> > is getting temporarily "fixed" by the vibration of the relay. I
> > recommend that you exercise all of the connectors inside the radio,
> > particularly those on the , DISPLAY CONTROLLER BOARD (Sometimes called
> > LED DISPLAY DRIVER BOARD), the DISPLAY BOARD, LOW LEVEL DRIVER/NOISE
> > BLANKER BOARD, and the DC POWER INPUT BOARD. Better yet, use some Caig
> > Laboratories De-Oxit to clean all of the connectors as you are
> > unplugging them and plugging them back in. While you're at it, inspect
> > for a possible cold solder connection to one of the connector pins.
> >     The LOW LEVEL DRIVER/NOISE BLANKER BOARD has an interesting
> > combination of functions included on it. Aside from the two functions
> > that are obvious from the name of the board, there is also the regulator
> > circuit that provides the +REG voltage to the rest of the rig, and the
> > meter light dimmer control circuitry. If the fault were there it would
> > likely only affect the meter lamps and not the LEDs. The signal that
> > controls the LED brightness and the meter lamps comes from the LOGIC
> > BOARD, goes to the LED DISPLAY DRIVER BOARD and from there it also goes
> > to the LOW LEVEL DRIVER/NOISE BLANKER BOARD. My guess is an intermittent
> > connection in the cable between the LOGIC BOARD and the LED DISPLAY
> > DRIVER BOARD would affect both the LEDs and the meter lamps.
> >
> > DE N6KB
> >
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>
>
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