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| Damaged digitiser flex cable on H1000 MessagePad |
Forums > Vintage Apple > iPad, iPod, Newton/eMate & Handhelds
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TheBasement Tinkerer Launceston, Tasmania -------- Joined: Mar 2, 2022 Posts: 33 Likes: 48 |
Apr 1, 2024 - #1
Hey I did a dumb thing and touched the digitiser ribbon cable with a soldering iron. It melted with a quickness. Are these actually repairable? I've tried a couple times already but that trace is getting shorter and shorter. I'm not sure it's even metal, it looks like graphite or something?
So, where do I find a replacement LCD (or digitiser) for my MessagePad H1000? |
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Kai Robinson TinkerDifferent Board President 2023 Worthing, UK -------- Joined: Sep 2, 2021 Posts: 1,322 Likes: 1,313 |
Apr 1, 2024 - #2
@Androda may be the person to talk to about this - he's done reproduction flex cables before :)
Liked by TheBasement |
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Androda TinkerDifferent Board Secretary 2023 USA, Western -------- Joined: Sep 25, 2021 Posts: 523 Likes: 581 |
Apr 1, 2024 - #3
Though if I'm understanding correctly, this is the interface to the resistive touch sensor area - and I believe that's hard-connected to the panel. Liked by TheBasement |
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TheBasement Tinkerer Launceston, Tasmania -------- Joined: Mar 2, 2022 Posts: 33 Likes: 48 |
Apr 1, 2024 - #4
I've found and bought another inoperative H1000 from eBay USA, so I may have some parts in a month or so [fingers-crossed] Liked by Androda |
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TheBasement Tinkerer Launceston, Tasmania -------- Joined: Mar 2, 2022 Posts: 33 Likes: 48 |
Apr 2, 2024 - #5
Well, against all odds I think I managed a fix of sorts. Kept gently scraping till I uncovered some of the conductive material, and then used kapton tape to stick some copper braid to it. Unconventional, definitely ghetto, but the screen is registering input.
Liked by Mac84,LeadedSolder,splorpand 1 other person |
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Androda TinkerDifferent Board Secretary 2023 USA, Western -------- Joined: Sep 25, 2021 Posts: 523 Likes: 581 |
Apr 2, 2024 - #6
Well done. Now hopefully the copper doesn't oxidize over time and break contact.
Liked by TheBasement |
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TheBasement Tinkerer Launceston, Tasmania -------- Joined: Mar 2, 2022 Posts: 33 Likes: 48 |
May 3, 2024 - #7
Just reporting back on this. While it does work in the fact it allows screen input to register, it won't stay calibrated. I think what is happening is the copper section has a vastly different resistance value than the carbon traces, and it is way out of spec for the controller to deal with. Even right after a screen calibration the tracking starts to drift, eventually getting so bad every touch input is registered on the far left no matter where you press on the screen. The only true fix would be to use a replacement resistive layer.
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