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  1. techknight

    Macintosh Portable horror story

    Funny you mention, I have a 180 thats starting to tunnel. It didnt when I got it over 10 years ago, and its been stored in my climate controlled house ever since. So yeah it might be a factor in potentially decelerating the effects, but it will still happen regardless. I do think its a bad...
  2. techknight

    Macintosh Portable horror story

    Hosiden is just shit, they do not hold up to age.
  3. techknight

    Macintosh Portable horror story

    Probably, I forget. im at work and the machine isnt in front of me but it suffered from tunnel pretty badly. I bought another panel on ebay and it had the same problem plus ribbon delamination. I used that one as my baking experiment. Failed.
  4. techknight

    Macintosh Portable horror story

    See thats what I thought initially, but in this case it isnt. the drive electronics/inverter were made by hitachi, but the glass panel itself was made by yours truly, Hosiden (only in a few models, the 750c being one of them)
  5. techknight

    Macintosh Portable horror story

    Well, it didnt work on my color panel. I baked it twice, one I left it in the oven all night long. Ran my electric bill through the roof, and no change in behavior. It might work fine on black and white panels but not color. Since this seems to be common with the Hosiden brand, I have an...
  6. techknight

    Macintosh Portable horror story

    Its all of those Hosiden panels. They all do this, I have Hosiden color panels in my Thinkpad 750C and its the same thing. Tunnelvision.
  7. techknight

    Freshly Recapped Portable - RAM Faults

    Ahh, its probably how the TechStep communicates with these machiens then.
  8. techknight

    Macintosh Portable horror story

    I have not had a chance to try yet
  9. techknight

    Freshly Recapped Portable - RAM Faults

    I didnt know about the diagnostic modes, Loving that. However its very cryptic, i wonder if a tool could be made to run those commands for you and then spit out which chip is bad.
  10. techknight

    Reproduction RAM cards for Mac Portable

    Unfortunately the cards are long since EOL, you cannot get the RAM chips anymore, and perhaps even worse, the XC95 series of CPLDs are now slotted for EOL. It has been awhile, but i think the jumper wire goes over to the /AS signal on the ROM header. But dont quote me on that, since ive not...
  11. techknight

    Blurry iMac G3 CRT

    That actually doesnt look too bad, fairly normal. those CRTs were never that sharp when new.
  12. techknight

    New Injection Molded iMac G3 Inner Bezels!!

    i missed it too, because its a financial thing for me.
  13. techknight

    SE/30 32Mhz clock and UH7

    Awesome you were able to use my videos as an educational tool! It is why I do what I do
  14. techknight

    Fixing Vinegar Syndrome on a PB 540c

    Yeah exactly! and that was my first attempt. even did a video on it. I went back and ended up redoing it.
  15. techknight

    Fixing Vinegar Syndrome on a PB 540c

    Yup, this is why for example with window tinting (similar adhesives) you have to use an applicator fluid, and heat to get it to work along with a squeegie (credit card or etc) to get the bubbles out and work them out while its still semi fluid. or it wont work. There are various formulations...
  16. techknight

    Fixing Vinegar Syndrome on a PB 540c

    I just did a toshiba T1000 LCD and ran into the same problem with the bubbles. To fix it, you need an applicator fluid, the type of stuff used for laying down vinyl graphics for large format printing. But you gotta remove the panel away from the backlight assembly, lay it down on a table and...
  17. techknight

    Macintosh Portable horror story

    Thanks for the info on this! They have some 0.8mm ones on ebay so maybe I will try that.
  18. techknight

    VCF Midwest 2023 - Sep 9-10th Elmhurst IL

    Family vacations arnt something ive been on in decades. VCF basically is my vacation anymore
  19. techknight

    VCF Midwest 2023 - Sep 9-10th Elmhurst IL

    Imma be there this year for the first time as well, exhibiting with the rest of my friends.
  20. techknight

    SE/30 Jittery video

    This