“Phantom” touches on capacitive buttons on new refrigerator LCD panel every ten minutes

Jan 5, 2015

Recently the back, and start buttons on my 1520 have not been turning on, or flickering. The search button has not shown any signs of the issue. The buttons still work, and have no functionality issues.

It started randomly, and I notice if I press on certain parts of the phone, the lights may go on or off. They may also go on or off of their own accord.

I had dropped my phone a few days prior, but there was no visible damage, and the issue was delayed.

I'm assuming this is a hardware issue and I would need to replace it in order to fix it, but are there other possibilities?

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Hello guys,

Let me share with you my experience regarding the purchase of IPS screens 7 "LCD panels and Capacitive panel USB.

As I will show in the video, I have used as the hardware ODROID XU3 with Android 4.4.4 alpha 1.3, the exact same tests were carried out with the Cyanogen Mod 4.4.4 with the same results.

Let's start with the shopping list;-)

From the site http://www.chalk-elec.com/ I purchased:
7" open frame universal HDMI LCD with capacitive multi-touch

http://www.chalk-elec.com/?page_id=1280 ... ry=3094861

7" open frame capacitive multi-touch panel (ratio 16:10)

http://www.chalk-elec.com/?page_id=1280 ... ry=3094846

7" universal HDMI LCD with audio and...

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There has been much talk on capacitive buttons on Xperia S and most forums agree to some point that there is an issue with these buttons. Now comes my point... if some say that a rolling circular motion works, great. If some say a slow upward motion works, double great but I have tried all of the suggested motions and others and yes they sometimes work but other times they are simply unresponsive and users saying otherwise are just kidding themselves. When competitors can have phones with capacitive buttons that work when you simply press them like you would press any button on any given product without a slow swipe or a rubbing genie motion why cant Sony do this? My question to Sony would be, when are you going to acknowledge there is a problem with these useless buttons and do something about getting them to work? The phone is a brilliant phone let down by something so small in yet so frustrating. Unlike alot of users I have stuck by Sony/Sony Ericsson and really expect more from...

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It’s hard to overstate the revolutionary nature of touchscreens. Not long ago, cellphone users had to press buttons endlessly to carry out commands. But these days, making a call, sending a text, pulling up email and even web browsing are all done with a simple tap of finger to screen.

Touchscreens are perhaps the pinnacle of user experience: if you need to access or activate something, simply touch it. This intuitiveness is perhaps the reason touchscreens are now ubiquitous. You find them not just on smartphones, but also on ATMs, car dashboards and even handheld consoles.

That said, not all touchscreens are created equal. When it comes to an LCD module, two major systems are used today: resistive and capacitive touchscreens.

Resistive Touchscreens

As its name suggests, a resistive touchscreen responds whenever you apply resistance to it. This type of screen has two layers separated by a small gap, with a special coating covering the inner...

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