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If I were doing this, I think the first thing I'd tell the repair shop was the url to K1000.net, so they could see what was in play.

To Dynahoe Dave: Most of the soldering tutorials tell you to how to solder solder wire to metals of a much higher melting point. In the Kurzweil 1000, the solder pads are made of solder and can be

Thank you. :)

Definitely not.? Proper soldering involves heating the points / pads / leads to be soldered to about the melting point of the solder, then applying solder to the joint.? This should be done fairly

Wherever you live there should be a computer/electronics repair center near you. Patrick

Okay. Where should I look for this service?

I Suggest you have someone with soldering PCB skills do it for you, you need a good clean solid joint.

The soldering iron would melt the two solder pads (at least somewhat) which seems like a bad thing,? but would simply dripping solder wire down on to the two solder pads even allow proper

Thank you. :)

It doesn't matter which part of the trace is cut.? The objective is to prevent current from flowing between the square solder pad and the round one, and as long as the trace is cut somewhere between

Hi. Which part of the trace to cut? The green line in the center or the coppery color ones, or both?? (the arrows point to the lines I'm referring too)

Thank you for the picture. I will be more gentle if I decide to try this again.

If you've never seen a multilayer PC board layer before they're bound together, it's hard to fully understand how delicate this can be. (I have, I did a summer working in my uncle's printed circuit

It says not to cut too deeply because it's very likely a multi-layer board. I don't know how many layers, but surely more than one. IF you cut deep enough to break an inner layer, you got some real

My results, using cutting knife, and soft cut trace. I prefer to pass the knife 20 times very softly than a single cut; this means to me: less damage to board.

Okay, hopefully someone else can help out -- I haven't done it myself, because I don't want to ruin one of my favorite modules -- I'm almost totally blind, so that level of work is done by others for

Hi, yes. The picture of the JP04 is here: https://www.k1000.net/jumpers-pics.htm And the instructions are here: https://www.k1000.net/static-handling.htm I'm not sure which part to scratch.

I haven't done it, but I've had it done a lot. Which guide are you using? Does k1000.net cover this?

I think I destroyed the circuit board by cutting too deeply the etch of JP04. In the guide it says not to cut JP04 too deeply- but it doesn't say why: There is no text on the screen of the Kurzweil

Thank you Nicole and others. I'll make enquiries. All the best. Vaughan.