[TenTec] Jupiter power switch

[Winston]

Hi Bob,

You may be right. I’m really not that comfortable with digging into the rig. I’ll just put up with it awhile, until if or when it goes out completely, then take it to repair shop I use for Ten Tec repairs.

73, Winston K4CWQ

Sent from my iPhone

> On May 13, 2020, at 8:25 AM, Bob McGraw K4TAX <rmcgraw at blomand.net> wrote:
> 
> There is more to the power ON/ OFF than the power switch and the relay.   I suggest you study the schematic before replacing parts.   It is more likely NOT the switch or the relay.    I'd more suspect Q1, 2N4124 or Q2, 2N4124.
> 
> 73
> 
> Bob, K4TAX
> 
> 
>> On 5/12/2020 10:30 PM, Winston wrote:
>> That should be T90 relay, which is a 30-amp relay.
>> 
>> Sent from my iPhone
>> 
>>>> On May 12, 2020, at 11:26 PM, Winston <jones_winston at bellsouth.net> wrote:
>>> 
>>> I have a Jupiter with malfunctioning main power switching. I suspect a sticking relay. The main power switch always turns radio on, but often won’t turn it off. It may take several times flipping switch to off position to get it to turn off.
>>> Does anybody have the relay part number? The manual only indicates a Potter and Brumfield T30 relay.
>>> Is it better to replace relay or can it be cleaned?
>>> 73, Winston K4CWQ
>>> 
>>> Sent from my iPhone
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