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Old 11-28-2009, 11:08 AM   #1
FrankS OP
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Joined: Sep 2007
Location: Austin, TX
Oddometer: 417
Zumo touch screen and digitizer replacement

After my last ride (in the rain), the screen of my zumo550 developed some flaking, it seems the outer protective film came loose.
While this would have been a perfect excuse to upgrade to the 660, I wanted to see if this is something I can repair. Turns out I can…

I bought a new touch screen on ebay for $18, shipped from China. This is not the LCD screen itself but just the touch sensitive layer that goes on top of it. It can be replaced in about 10 minutes.

Screen problems


New touch screen


Using a TORX 7, remove the 8 screws at the back


Unsnap the top cover, no clips holding the shell together, once the screws are loose, the bottom flap is open and the top cover removed, they come apart


Open the latch for the LCD screen (left) and the touch screen (right), slide out the ribbon cables


Unscrew the screen assembly from the front cover, take it out


Remove the silver mounting frame


Now this is the most tricky part. The touch screen is glued to another frame which sits on top the LCD. Carefully pry it off the LCD screen. I used a cutter to bend the black frame a tiny bit outwards so it will unclick from the LCD screen. Be careful, you don’t want to cut into the LCD screen


Once separated, cut the old touch screen off the frame. It will most likely break but it’s the part we want to replace so who cares


Remove the protective film from the back of the new touch screen


Align it with the frame and stick it on, make sure the alignment is okay, you only get once chance.


My new screen is a bit smaller than the old one so I added some sealant to the right side



Put it all back together

Test it, then calibrate the screen (switch zumo on and hold power button until the calibration menu appears (about 60 seconds).


Enjoy


Looks like I pinched the gasket on the right side a little bit, I guess I take it apart one more time and make sure it seals tightly

Regards

Frank
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