Installation:
The installation was easier than I thought following the linked instructions. You need a small phillips screwdriver, (They actually sent one with the digitizer}. In my case, I needed a magnifying glass to get a good look at the connections.
This is probably the most tedious part. There is small Mylar ribbon connector from the display and the digitizer. To remove them you must carefully lift up the connector by gently pulling two little tabs on the side of the connection on the motherboard up (toward you). They then lift up and ribbon connectors slide out. To install, place the ribbon in place and gently close the connector and it locks it in place.GPS Navigon 8410 LCD Screen Display + Touch screen Panel
Not that difficult even with my bad eyes and shaky hands. The only other thing, is be careful with the sealing rubber around the digitizer and make sure it is in place before tightening the screws. It took me (and I'm no genius) about 20 minutes to make the repair, and that included two tries at the sealing rubber.
Oh yeah, you need to recalibrate the screen when you turn it on. That is in your manual or readily available directions on the net if you do a search. ( Heck, I'll tell you. Press the "Power ON" button and hold it depressed for about 60 seconds. A calibration screen will eventually display. Just touch the dots and you're done.)
Eten Glofiish DX900 Touch Screen Digitizer Tactile
Result:
In my opinion, it actually functions better than new. The display seems to be clearer and the touch screen much more sensitive.
I hope this is useful to someone out there. (Marco?)
It appears there is an inherent problem with the Zumo 450/550 touch screens. Mine had been giving me problems for some time until it finally quit completely. The symptoms are:
LMS350GF20 LMS350GF20-002 LCD Screen Display Ecran Panel 3.5-inch
A: Touchscreen buttons light up but refuse to function. After that the screen becomes locked.
B: Messages appear as though you have touched the screen, but you haven't.
C: Map scrolling becomes erratic or locks up.
I did a search, and there are many posts on various sites talking about this problem. Most claim their units are 2-3 years old. Mine is older and seemed to have problems after very dusty road trips in Laos and Vietnam. Also my screen had some scratches and pits.
Touch Screen Digitizer For TomTom tom XXL IQ 5-inch Ecran Tactile
The Solutions:
1. Send your unit back to Garmin and they will repair or send you a refurbished unit for $150 plus you pay all shipping. This can be somewhat expensive and time consuming two ways from Thailand.
2. In Thailand, I checked with Eagle GPS. They would send it to Taiwan for repair. 8,000 baht estimate and it would take at least a month.
My Recommended Solution: Fix it Yourself.
The problem is the "digitizer". I had no idea what a digitizer is, but it is the actual screen that is on the unit that you are touching with your finger. This sends the commands to the processor. The Display screen is located behind the digitizer. This apparently is how most cellphones, computers, and other touch screen devices function (you may already know this, I didn't).
5.0 inch LCD Screen For Tomtom Tom Tom XXL IQ(Routes)
I found a "How To" post on ADV Rider,with photos, that I will paste at the end of this post.
First some suggestions.
They say new digitizers may be ordered from EBay for around $50. True, if you are in the U.S. but not so easy from Thailand. I searched and found a China website that specializes in, yes, "Digitizers". They also sell for many other devices. I was a little leery of ordering from a company I didn't know in China.
LCD Touch Screen Digitizer For Garmin Oregon 200 300 400 Tactile
Bottom line; I payed with Paypal and I had the part(s) in 10 days, delivered to my home in Chiang Mai, for $7 shipping.
Even better news; if you replace the digitizer alone, it must be separated from the display with a razor knife or something similar as it is glued around the edges. In the post the writer cracked his digitizer, which didn't mater as it was bad anyway, but it seemed a little risky to me. I found on the China site a display AND a digitizer already attached as a unit. Much easier. (although I did later remove the digitizer from my old display with no problem).
The best news:
Digitizer alone = $15.99
http://www.keepingtouch.com/lcd-touc...tile_p595.html
Display and Digitizer unit= $$26.58
http://www.keepingtouch.com/index.php?main_page=advanced_search_result&inc_sub cat=1&search_in_description=1&zenid=57gt8lkd2h6dt4 7g2mlcmas706&categories_id=&keyword=zumo+display
I ordered both to be on the safe side. For the minimal cost it is worth it in case I screwed up (I didn't), so now I have a backup.
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