[SignalOne] Capacitor Replacement

[PETER SOLLY]

Hi All: Re capacitors. you might try      justradios.com


On 2017-12-10 10:06 AM, Peter Sundberg wrote:
>
>
> This list is for discussions regarding collecting, repair, use and 
> sale of Signal/One radios and accessories.
>
> Documentation on Signal/One radios can be found at 
> http://www.hamanuals.com and several other sites on the Web.
>
> .
> Hello John,
>
> I just changed one of the big caps in my CX7 (for the screen supply) 
> as the original was beyond it's life span. The cap itself is a Sprague 
> 150 mfd 450 VDC in a metal case. However, it sits inside a paper roll 
> from which it can easily be taken out. So I just placed the 
> replacement capacitor with similar mfd/VDC inside the paper roll. The 
> new cap was of slightly different size so I glued it in place inside 
> the paper roll using hot melt glue.
>
> When put back in place you can not see that the original cap has been 
> replaced. Maybe this suggestion will make it easier for you to find 
> replacement high voltage caps for your CX7a.
>
> As for the low voltage caps, mine are still ok, the audio is not 
> hummy... yet.. :-)
>
> 73
> Peter SM2CEW
>
>
>
> At 08:37 2017-12-10, John Seboldt K0JD wrote:
>> .
>> It's been a while since I've used my resurrected CX7a, and it's 
>> sounding a little "hummy" so it might be past time to replace 
>> electrolytics.
>>
>> I did do the power supply upgrade using modern 1 amp 3-terminal 
>> regulators, so that was done years ago - forget whose it was, will 
>> have to look at the pile of mod dcouments I got from various people. 
>> Of course now I imagine some of the actual caps are no longer 
>> available or hard to get - and of course the high voltage ones even 
>> harder.
>>
>> Any current online sources for a compendium of mod articles, 
>> upgrades, etc?
>>
>> John Seboldt K0JD
>> Milwaukee, WI
>
>
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