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blackjetrock · (This post was last modified: 11-27-2023 08:36 AM by blackjetrock.)

(11-26-2023 09:42 PM)Jeff_Birt Wrote: Then a column of the LCD went out in front of my eyes. Then a second one, but it came back. This is a common failure of TIs as the conductive adhesive strips used on the LCD FFCs comes unstuck over time. Looking at pictures it seems the FFC for the columns folds UNDER the LCD while the one for the rows comes out the right side. This means you have to peal up the row FFC to try and fix the missing columns. I think for one missing column I'll leave well enough alone for new. If I can find a junk V200 with a bum LCD I'll experiment on it.

As an experiment I had some new heat seal connectors made for the Sharp PC-G850VS series of pocket computers. They were not cheap, but I had a small number made. I had fairly good success applying them, but a couple of columns were still bad. i think I may eventually be able to take the old connectors off and put the new ones on. Alignment is a major problem.
So you may be able to fix things like this (with the application of money) using new parts. I think once you peel these connectors off then they are done for, they won't go back on. Applying heat to fix the connections does work, I've found, but only a few times, then that doesn't work either. I also suspect that all heat seal connectors will eventually fall off, which isn't good.

Andrew