[TenTec] Orion II: nothing at startup

[Carl Moreschi]

Also, this could easily be caused by one of the pins on the cable behind 
the front panel not making good contact.  I have seen this many times on 
different Orion's and you can get almost any symptom from this.

Remove the front panel and remove all the connectors, spray them with a 
good contact cleaner, then plug and unplug them several times.  That has 
fixed several Orion's lately.

Carl Moreschi N4PY
121 Little Bell Dr.
Hays, NC 28635
www.n4py.com

On 11/6/2012 9:37 AM, Robert Mcgraw wrote:
> Most likely on the power distribution board and the -20V not coming up.
> Likely cause, filter caps need replacement.  I suggest using the same
> value of MFD and Voltage but go to 105 degree C rated components.
>
> Your power up and then down and then back up and it works is the key to
> the target issue.
>
> 73
> Bob, K4TAX
>
>
>
>> Several times in the past few days my O2 (firmware 3.028) has had no
>> transmit output, and no audio output except faint background hiss, when
>> I first turn it on. The paddles produce a nice sidetone, but neither the
>> Orion's nor the antenna tuner's meter moves.
>>
>> So far, at least, switching the Orion's power off and then back on has
>> restored operability (e.g., the tuner's meter shows forward power 115w
>> on 80m CW). I just checked the power supply (it's on the floor under the
>> desk) and found its meter showing 13v --- lower than I thought but not
>> likely the source of this problem. Obviously I'd rather not have to rely
>> on the off-on "fix." Any suggestions?
>>
>> --
>> John K3GHH
>>
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>
>
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