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1. 12:38 AM - Buy (10 Pieces) New Apple iPhone 13 Pro 5G 128GB $5,990CAD (daddyfizonli)
2. 05:16 AM - Re: Desolderimg (Eric Page)
3. 02:57 PM - Re: Desolderimg (H. Ivan Haecker)
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| Subject: | Buy (10 Pieces) New Apple iPhone 13 Pro 5G 128GB $5,990CAD |
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Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=503508#503508
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I'll second Charlie's advice. Getting 13 pins desoldered successfully using a
desoldering pump (a manual device that looks like a fat pencil) or desoldering
braid/wick is going to be very frustrating, with potential to damage traces on
the board.
If you can access all of the pins around the perimeter of the switch to cut them
free with a small, sharp pair of snips, then you'll just have to melt the solder
on the center pin to remove the switch. With that done, removing the pin
ends that remain in the outer holes will be MUCH easier, and you'll just have
to clean up the holes with braid/wick.
There is a tool designed for this task, called a vacuum desoldering tool. It has
a base station that sits on the bench, connected with a hose and cable to a
gun-shaped tool with a heated tip. A vacuum pump in the base pulls air through
the hollow tip of the tool to remove solder once it's melted. You'll spend
at least $100 for a minimally acceptable Chinese tool.
As others have said, this probably isn't a first-timer's project. Where in the
country are you located? Maybe someone on this forum has the tools and is near
you.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=503510#503510
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Thanks for your responses. I=99ve got a new switch on the way, as wel
l as
some desoldering devices. I will try my hand at it after a little practice
on some trash bin stuff. Besides, it=99s at least 30 years old and th
e worst
that can happen is that I end up with a new com radio. Nothing ventured,
nothing gained.
Ivan Haecker
On Mon, Oct 11, 2021 at 3:10 PM Charlie England <ceengland7@gmail.com>
wrote:
> Probably not a big deal for an experienced electronics tech, but I'm not
> sure I'd advise that as a novice exercise. Might be worth asking at your
> next EAA chapter meeting if anyone there is a HAM operator (a lot of
> pilots are HAMs), or if anyone has experience with board-level electronic
s
> repair.
>
> If you're determined to do it yourself, and you have the new switch in
> hand, you might be able to cut the individual terminals on the old switch
.
> If you can do that without damaging the board, removing individual pins
> from the holes becomes a lot easier.
>
> Again, not a beginner level task.
>
> Charlie
> electronics tech in a couple of prior lives
>
>
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm
_campaign=sig-email&utm_content=webmail&utm_term=icon> Virus-free.
> www.avast.com
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm
_campaign=sig-email&utm_content=webmail&utm_term=link>
> <#m_-6886492928612108844_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On Mon, Oct 11, 2021 at 2:14 PM Alec <alec@alecmyers.com> wrote:
>
>> If it=99s a well made circuit board, you have a good powerful sold
ering
>> iron with the right size bit (not too big, not too small) and know how t
o
>> use desolder braid and solder sucker, and are ready for eventualities (l
ike
>> are equipped to snip the last couple of pins that won=99t come awa
y with the
>> rest of the switch) - then it=99s straightforward.
>>
>> If not then you=99ll start to lift tracks and damage the board.
>>
>> An expensive piece of working equipment is a bold starting place to lear
n
>> rework techniques.
>>
>>
>> On Oct 11, 2021, at 2:44 PM, H. Ivan Haecker <hivanhaecker@gmail.com>
>> wrote:
>>
>> =EF=BB
>> I need to replace a rotary switch on my TKM Com 11/A radio. I
>> inadvertently broke the shaft while exiting the airplane. It is soldered
to
>> a pc board in 13 locations (12 around the perimeter and 1 in the center.
I
>> have no experience with desoldering things from a board. My questions ar
e
>> as follows: Is this a particularly difficult thing for a novice? Is ther
e a
>> tool I should purchase for desoldering? If I really need to farm this ou
t,
>> are there any suggestions where to find someone capable of doing this?
>> Thanks for any and all suggestions.
>>
>> Ivan Haecker
>>
>>>
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