Thanks. Are the measurements for the Tandy 200 zebra strips already known? —B
On Tue, Sep 13, 2022 at 6:18 PM <[email protected]> wrote: > I don’t think anyone has reproduced the M200 zebra strips. They are > different for every machine. > > > > Jeff Birt > > > > > > *From:* M100 <[email protected]> *On Behalf Of *B 9 > *Sent:* Tuesday, September 13, 2022 7:44 PM > *To:* [email protected] > *Subject:* [M100] Zebra Strips for Tandy 200? > > > > Hey Birt and everyone, > > > > I am looking into repairing the LCD screen on a Tandy 200 that appears to > have white spots between the layers. I am wondering where I can find zebra > strips, like the ones for the Model 100 available on Soigeneris > <https://www.soigeneris.com/trs-80-model-100-lcd-zebra-strips>. Any hints > would be appreciated! > > > > —b9 > > > > On Thu, Apr 7, 2022 at 7:31 AM <[email protected]> wrote: > > Hi all, > > > > A year or so ago someone announced that they were looking at getting new > Zebra strips made for the M100. A few months ago, I came across an NEC > PC-8201 LCD module I was pretty sure would be fixed with new strips as I > could see a defect in one of them. When I tried to contact the individual > who was working on getting strips made, I got no response. Another M100 > friend also tried and got no response. I hope that with all the issues with > the world in the last few years he is OK. > > Last fall I started working on a memory upgrade for the Casio VX-4 pocket > computer (which fits several Casio models) and found myself in need of > getting some zebra strips made. Luckily, I was able to get in touch with a > company who makes zebra strips to order and had some made for the Casio > PCB. When I needed to place another order with them earlier this year and I > had not heard back from the chap who had been working on new M100 strips I > took the chance on getting a small number of M100 zebra strips made. > > I was able to fix the PC-8201 LCD with the new strips and a friend was > able to combine parts of a few bad LCD modules with the new zebra strips > and make one good functioning unit. So, the new strips worked fine, and I > ordered 100 sets to start with. We’ll see how far this lot goes and I’ll > order more in if needed. I have them up on my website at the link below. > > There are a few tricks for a successful LCD module surgery. While the LCD > glass is symmetric, i.e. you can rotate it 180 degrees and it will still > work, the polarizing film is not. You must keep the glass in the same > orientation in the frame. The LCD glass is also NOT centered in the frame. > If the PCB is facing you and the ribbon cable is to your right the LCD > glass will be in the lower right corner of the frame. I’ll do a video soon > showing how to install them. I have a T102 LCD I need to dig out which I > thought had a bad row in the glass. I had rotated the glass 180 and the row > moved so I was sure it was the glass, but it recently occurred to me that > if I kept the zebra strips on the same edge of the glass and there was a > bad spot in one strip it would cause the missing row to move too. We’ll see > if new strips fix it. > > > > Link: https://www.soigeneris.com/trs-80-model-100-lcd-zebra-strips > > Jeff Birt (Hey Birt!) > >
