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Dumb soldering Q Puddin' Man 09-11-2007
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Posted by AZ Nomad on September 12, 2007, 8:32 am



>I've got an old stereo receiver with a broken main switch (not replaceable).
>It won't power.

>I can solder a jumper across 2 contacts on the switch board (I think).
>Then add an in-line switch to the power cord.

>Don't know much about soldering ...

>What should I use for a jumper? Copper? Other material? Stranded?
>Non-stranded?

google is your friend.

so is the sci.electronics.repair FAQ.

Posted by jmagerl on September 12, 2007, 10:19 am
Can't emphasize enough to use only solder flux rated for electronic
equipment. The solder flux in the solder is corrosive and if the wrong flux
is used will turn your electronic equipment into a bunch of green crude.
Look for the words: Rosin flux or electronic flux

Using plumbing flux is a definite no-no.


>
> I've got an old stereo receiver with a broken main switch (not
> replaceable).
> It won't power.
>
> I can solder a jumper across 2 contacts on the switch board (I think).
> Then add an in-line switch to the power cord.
>
> Don't know much about soldering ...
>
> What should I use for a jumper? Copper? Other material? Stranded?
> Non-stranded?
>
> Thx,
> Puddin'
>
> "Mit der Dummheit kaempfen Goetter selbst vergebens!"
> -Friedrich Schiller



Posted by Puddin' Man on September 12, 2007, 4:43 pm

>Can't emphasize enough to use only solder flux rated for electronic
>equipment. The solder flux in the solder is corrosive and if the wrong flux
>is used will turn your electronic equipment into a bunch of green crude.
>Look for the words: Rosin flux or electronic flux

What I got is an ancient Radio Shack cheapo soldering kit, including
solder. I've used it maybe once every 4 years to solder a new battery
into a personal trimmer. Solder joints look OK over time.

>Using plumbing flux is a definite no-no.

Check.

Thx.
P

>>
>> I've got an old stereo receiver with a broken main switch (not
>> replaceable).
>> It won't power.
>>
>> I can solder a jumper across 2 contacts on the switch board (I think).
>> Then add an in-line switch to the power cord.
>>
>> Don't know much about soldering ...
>>
>> What should I use for a jumper? Copper? Other material? Stranded?
>> Non-stranded?
>>
>> Thx,
>> Puddin'
>>
>> "Mit der Dummheit kaempfen Goetter selbst vergebens!"
>> -Friedrich Schiller
>

"Mit der Dummheit kaempfen Goetter selbst vergebens!"
-Friedrich Schiller

Posted by Shaun Eli on September 12, 2007, 5:27 pm
Note-- you're soldering the connection, not the soldering iron. But
the suggestion to find someone who has more than five minutes worth of
experience soldering is a good one, because if you drip solder onto
the circuit board you might ruin the entire unit, among other possible
mistakes.

Shaun Eli
www.BrainChampagne.com
Brain Champagne: Clever Comedy for Smart Minds (sm)


Posted by Art on September 12, 2007, 7:59 pm
Do NOT buy one of those Radio Shack cold soldering irons. They are crap.


>
> I've got an old stereo receiver with a broken main switch (not
> replaceable).
> It won't power.
>
> I can solder a jumper across 2 contacts on the switch board (I think).
> Then add an in-line switch to the power cord.
>
> Don't know much about soldering ...
>
> What should I use for a jumper? Copper? Other material? Stranded?
> Non-stranded?
>
> Thx,
> Puddin'
>
> "Mit der Dummheit kaempfen Goetter selbst vergebens!"
> -Friedrich Schiller



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