I wish I hadn’t tried to fix my screen. I should have just left it with minor scratches from when someone dragged a big tub of herbicide over the top of it. The real damage was when I tried to buff the scratches out of the “glass” with a rotary tool and melted the screen. Whoops.
So I ordered a replacement screen on eBay from Russia:
Contrary to the “easy installation” instructions you will have to disassemble the unit.
Remove the battery cover and batteries, and unscrew the six screws using a #6 Torx driver.
This is the back of the unit with the waterproof seal clinging to it:
I did initially try to remove the glass without removing the PCB and LCD display but I was heating the glass to around 75°C and it wasn’t coming away easily:
So I removed the PCB, which was held by two clips and a single #5 Torx screw. Push the case outwards to free the clips, but they are not attached to the board and may fall off so don’t lose them!
Now with the circuitboard safely out of the way I could use the heat gun more aggressively and pry the screen off.
It didn’t come away cleanly …
This is what it looked like when I got the screen off:
I tried using a knife and chisel to remove it but was causing too much damage to the plastic, so I switched to using the rotary tool with a variety of attachments including sander, but this plastic brush seemed to finish it off the best:
Once you’ve done as best you can, make sure you clean the plastic thoroughly outside and inside to avoid debris being sealed inside the unit, preventing a clean seal or getting stuck to the screen protector at the end.
This is the screen before I removed the backing tape:
Place the screen adhesive side down, push firmly but supported from the other side so you don’t break it.
Then remove the protective film on the front and apply the included screen protector.
Re-assemble, and this is what it looks like:
Note the gouge and scrape marks on the plastic around the screen.
If I had to do this again I would just buy a whole new front unit with the screen already attached.
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