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Forum Index : Microcontroller and PC projects : Repair 4 Wire Resistive Touch Screen Panel Ribbon
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lew247 Guru  Joined: 23/12/2015 Location: United KingdomPosts: 1702 |
Has anyone repaired these ribbons? I have 2 X 7 inch displays and I don't want to have to buy another just because the touch panel isn't working This is how the touch ribbon is supposed to look  Why are there 5 ribbons? yet on the panel they plug into only has 4 pins  This is how my ribbons look   I want to know which bits I can scrape off and solder wires onto to join the breaks Also could I replace the ribbons by wires? It might look worse but it would last longer EDIT: I'm an idiot I just realised the yellow bits are insulation and the black is the track! Same question though can they be soldered and repaired with wires by scraping the plastic coating off? Edited 2020-08-09 22:54 by lew247 |
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| Atomizer_Zero Senior Member  Joined: 04/07/2020 Location: United KingdomPosts: 134 |
Ribbons are just wires, but flat. Designed to last longer in mechanical parts or fit into tight spaces where wires might get caught. It looks like a simple ribbon. Sometimes ribbons have components on the lines, so check for that. Otherwise, Yeh, you can replace it by wire in most cases. Leave the connectors in place though, in case the wires don't work out. |
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bigmik Guru Joined: 20/06/2011 Location: AustraliaPosts: 2971 |
Hi Lew, I seriously doubt that you will be able to repair the ribbon by soldering to it.. They are often just carbonised traces. You `MAY' be able to scrape away the plastic and, after gluing a stiffener to the rear of the ribbon to hold everything together apply a thin coat of conductive paint over your scraping.. Personally though, if there is some metal at the screen end (doubtful) I would just run a wire (or 4 if need be). Unless it is an expensive or irreplaceable touch screen I would be looking at getting a new one. Kind Regards Mick Mick's uMite Stuff can be found >>> HERE (Kindly hosted by Dontronics) <<< |
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