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Author Topic: Need Help With Soldering Onto Motherboard (jtag)  (Read 41 times)

SHADOWSTRIKE1

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Need Help With Soldering Onto Motherboard (jtag)
« on: February 02, 2020, 09:16:00 PM »

Hey guys.  I'm running into some issues soldering.  I'm trying to do a JTag mod, and for some reason, my wires just wont stick.  I listened to the tutorial, and tried to heat the wire so that it will be hot enough to melt the solder already on the via, but it doesn't get hot enough to melt it for some reason.  So I tried to apply my own solder onto the via, and it just wont stick.  

I've tried using both a butane solder pen from radio shack and an electric solder pen.  Is there varnish on the motherboard or something?  Btw, I'm using a Xenon motherboard.
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thwack

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Need Help With Soldering Onto Motherboard (jtag)
« Reply #1 on: August 24, 2010, 06:59:00 AM »

Use flux, and tin your wires (ie flux them, then apply solder to end of iron, run wire through solder). Alwyas flux what you're gouing to solder to, use a wet sponge to clean the tip of your iron after every point.

Don't use a butane iron, use the electric one - I've seen plenty of boards broken due to gas powered irons.

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SHADOWSTRIKE1

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Need Help With Soldering Onto Motherboard (jtag)
« Reply #2 on: February 03, 2020, 06:45:00 AM »

Thanks for the replies.  Where would I be able to purchase solid core wire?  Home depot?  Radio shack?  Also, what do you mean by "flux"?  Sorry I'm pretty new to soldering.  My only other experience is adding some buttons to a controller.
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LiGhTfasT

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Need Help With Soldering Onto Motherboard (jtag)
« Reply #3 on: August 25, 2010, 05:07:00 AM »

The easiest way ive found is too scratch the solder point gently with a small screwdriver then put solder on the end of your iron so it looks like a ball ready to drop off. Put the ball of solder over the point for a few seconds and slowly pull away. It might take a few goes but you should be left with a spike of solder comming straight up from the point.

Now just tin your wire and solder to the spike.(no need to push the wire through the hole) Very very easy way to do it.

Its also worth trying to solder a few points from the bottom of the board when it gets a bit crowded on top.
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SHADOWSTRIKE1

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Need Help With Soldering Onto Motherboard (jtag)
« Reply #4 on: August 25, 2010, 07:25:00 AM »

Thanks again for the quick replies.  I went and bought a 40w electric solder pen, and I was able to pass my wires through the board rather easily by heating the via from the bottom of the board.  

However, now I'm running into a new problem.  Now, after I install the port95 driver, restart my computer, and try to run the nandpro.exe lpt: -r16 nand1.bin command, the following shows up-

"DLPORTIO.SYS driver not loaded. Port I/O will have no effect."

Then I click "ok", and then it tests 3 times, and then says that no flash controller is there, and says it can't continue.  Any ideas?  I tried looking around, but most places say resolder, which I would really love to avoid, as my solder points look really solid.
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thwack

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Need Help With Soldering Onto Motherboard (jtag)
« Reply #5 on: August 25, 2010, 08:25:00 AM »

Have a look in my sig at the 'problems with NAND dumping' - section 1.J
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SHADOWSTRIKE1

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Need Help With Soldering Onto Motherboard (jtag)
« Reply #6 on: August 25, 2010, 09:42:00 PM »

Ok, so I tried changing the Start variable to 1, and I got the same message, so I took my system back out of it's casing and tried to throw some solder around the via's to make sure I have a good connection.  I plugged it back into the PC, deleted old port95, restarted, installed again, restarted, ran the nandpro.exe, and I got the same error message.  This is where things got weird... I changed the variable to 1 again, and ran it again, and it gave me a list of operations, and it gave me instructions of what to type to read, or write, etc., but I dont think it wrote anything.  From there, I tried to run it again, and once again, I got the error message from before.  So I think I'm gonna take out all my wires from the system and try from scratch and see how things go unless you guys have any ideas what could be going on.

P.S. where does the readout get stored?  In the nandpro folder?
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