It'd be good to see an attempt to fix those PCB traces. I have some doubts about interfacing with the printed carbon but have been surprised by how well some of the conductive paints adhere and conduct. So, worth a shot... I'd probably try a few different methods and see which ones give the best cost/performance.
@@cheapasstech Yes a new PCB could be made and a gold plating used in place of the carbon printing for the key contacts. It would be a lot of work to design the PCB though. Another video about this will be coming up :)
I have the original Japanese manuals for the VX-4 but do not remember seeing PCB drawings or schematics. I will look again though. I did try to search online and did not find them either.
I’ve fixed many similar carbon traces on NEC TurboExpress portable video game consoles where a leaky cap eats the carbon traces. A carbon trace repair pen is your friend. You can also strip a 28ga multi strand wire and take 1 of the strands and push it in the hole. With fine soldering you can attach it and then use it to create a bigger island to solder wires to.
The 'Birt's Eye View' was a suggestion from a viewer when I had mentioned a 'Birds Eye View' a few months ago. I thought it was a clever play on words and borrowed form him with permission :)
Yes, monetarily it does not make sense but it would ben fun and perhaps a good way to test extreme PCB repair techniques on something that is not that expensive or important.
Hey Jeff. Amazing video as always. Please try to repair the tracks if you have the time. Have never seen the materials you have shown, as I always repair traces with a very thin (soldered) cable. It is a pity we cannot interchange our current hands with those we had when we were 5 yo. Those little and precise fingers would really help :-)) Love your videos, mate !!!. Always learn something new from you on every episode.
i would be happy to see you try and fix the pcb it may well be beyond repair but worth a try ,i took apart a Texas instruments calculator to look at and there were next to no traces left shame was a nice led calculator from about 1976 but had an internal rechargable battery and the old nicads had done to much damage .
It'd be good to see an attempt to fix those PCB traces. I have some doubts about interfacing with the printed carbon but have been surprised by how well some of the conductive paints adhere and conduct. So, worth a shot...
I'd probably try a few different methods and see which ones give the best cost/performance.
Look for the video soon...
Your sponsor could make a new pcb… I know it’s not very true to the original…
@@cheapasstech Yes a new PCB could be made and a gold plating used in place of the carbon printing for the key contacts. It would be a lot of work to design the PCB though. Another video about this will be coming up :)
@@HeyBirt I think the original manual had pcb drawings - but correct me when wrong
I have the original Japanese manuals for the VX-4 but do not remember seeing PCB drawings or schematics. I will look again though. I did try to search online and did not find them either.
I’ve fixed many similar carbon traces on NEC TurboExpress portable video game consoles where a leaky cap eats the carbon traces. A carbon trace repair pen is your friend.
You can also strip a 28ga multi strand wire and take 1 of the strands and push it in the hole. With fine soldering you can attach it and then use it to create a bigger island to solder wires to.
A carbon pen would be a good idea. Thanks.
Wauw Jef, nice repair session!
"Birt's Eye View." LOL. Love it. Were you a surgeon in your previous life? Good stuff.
The 'Birt's Eye View' was a suggestion from a viewer when I had mentioned a 'Birds Eye View' a few months ago. I thought it was a clever play on words and borrowed form him with permission :)
I think a video of you at least trying to fix that kb circuit board would be interesting. Thank you for all your videos.
Your wish is my command :)
Great video! would be great to see full repair of that keyboard PCB. Those pace kits are super expensive!
Yes they are. I have a saved search on eBay and picked a couple up for about $40 each. I could not bring myself to spend $200~$300 from Pace.
Gotta agree. I'd probably try to fix it too but only for the love of the hobby; it's probably not actually "worth" fixing.
Yes, monetarily it does not make sense but it would ben fun and perhaps a good way to test extreme PCB repair techniques on something that is not that expensive or important.
A repair-wizard at work!
Thanks for the video. Would be fun to see if the corroded board is fixable.
Stay tuned! Same Birt Time, Same Birt Channel :)
Hey Jeff. Amazing video as always. Please try to repair the tracks if you have the time. Have never seen the materials you have shown, as I always repair traces with a very thin (soldered) cable. It is a pity we cannot interchange our current hands with those we had when we were 5 yo. Those little and precise fingers would really help :-)) Love your videos, mate !!!. Always learn something new from you on every episode.
Look for the video very soon :)
@@HeyBirt Already bought popcorn to watch it !!. Thank you again :-)))
Huh, what? I don't see any recycle bin icons in the trashcan? ...oh. :)
I was thinking of the youngster who asked the computer museum tour guide why they had 3D printed a save icon :)
Excellent video.
i would be happy to see you try and fix the pcb it may well be beyond repair but worth a try ,i took apart a Texas instruments calculator to look at and there were next to no traces left shame was a nice led calculator from about 1976 but had an internal rechargable battery and the old nicads had done to much damage .
Look for it soon.
Hi Birt,
which liquid you are putting at 09:53 min at the LCD PCB ? Tnx.
It is citric acid. I buy it in an anhydrous granular form and dissolve into distilled water to a 40% concentration.
Always disheartening to peel up a sticker and take whats under it with it.
The do make good traps for leaks, making the damage just that much worse.