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Author Topic: Hi-Tek Space Invaders installation, etc  (Read 1928 times)

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Offline fohat.digs

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Hi-Tek Space Invaders installation, etc
« on: Tue, 18 March 2014, 12:45:47 »
I wanted to replace a couple of Hi-Tek switches that are semi-broken, that is, they still work but aren't quite "right" due to bent leaf, stretched spring, etc.

I have a donor board but can't seem to remove the switch. There are 4 legs, and I de-soldered each of them completely. At that point you can usually pull the switch out, even resort to pliers if necessary, but these seem tight.

I tried levering them up with a small screwdriver while heating the back, and even switched to a pointed tip on my soldering iron to push the pins out. In each case, it was able to push the leg in by about 1mm-2mm, and it seemed to have disengaged entirely from the solder joint, but it was still affixed tight to the board.

Are Hi-Teks mechanically fastened, or is there some trick to getting them off?

Thanks!
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“No political truth is of greater intrinsic value, or is stamped with the authority of more enlightened patrons of liberty: The accumulation of all powers, legislative, executive, and judiciary, in the same hands .… may justly be pronounced the very definition of tyranny.” —James Madison, Federalist 47
“All the powers of government, legislative, executive, and judiciary, result to the legislative body. The concentrating of these in the same hands, is precisely the definition of despotic government. An ELECTIVE DESPOTISM was not the government we fought for; but one .... in which the powers of government should be so divided and balanced among several bodies of magistracy, as that no one could transcend their legal limits, without being effectually checked and restrained by the others.” — Thomas Jefferson, commentary on Federalist 48

Offline skrsh3r

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Re: Hi-Tek Space Invaders installation, etc
« Reply #1 on: Tue, 18 March 2014, 15:59:21 »

When you desolder them just squeeze those plastic tabs that arrows point at with some needle nose pliers while at the same time pulling whole switch up
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Offline fohat.digs

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Re: Hi-Tek Space Invaders installation, etc
« Reply #2 on: Tue, 18 March 2014, 19:49:01 »
Quote from: skrsh3r on Tue, 18 March 2014, 15:59:21

When you desolder them just squeeze those plastic tabs that arrows point at with some needle nose pliers while at the same time pulling whole switch up


Thank you very much!

Exactly what I needed to know!
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“No political truth is of greater intrinsic value, or is stamped with the authority of more enlightened patrons of liberty: The accumulation of all powers, legislative, executive, and judiciary, in the same hands .… may justly be pronounced the very definition of tyranny.” —James Madison, Federalist 47
“All the powers of government, legislative, executive, and judiciary, result to the legislative body. The concentrating of these in the same hands, is precisely the definition of despotic government. An ELECTIVE DESPOTISM was not the government we fought for; but one .... in which the powers of government should be so divided and balanced among several bodies of magistracy, as that no one could transcend their legal limits, without being effectually checked and restrained by the others.” — Thomas Jefferson, commentary on Federalist 48

Offline blueSmoke

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Re: Hi-Tek Space Invaders installation, etc
« Reply #3 on: Wed, 19 March 2014, 01:31:18 »
the last poster is right. you may have to be careful of another thing: these switch legs dont have any stress relief, so if you overheat, the inside contacts mis-align. be careful, desolder completely and then slowly press the tabs 'in' to wiggle the switch out.
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