[TenTec] Omni 6 "lights"

[Bob McGraw - K4TAX]

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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