Author Topic: Touch Screen repair  (Read 7552 times)

mani6

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Touch Screen repair
« on: May 01, 2008, 02:31:13 PM »
Touch Screen repair

Touch Screen IC  4182A and MT6301  same.  See X-  X+  Y+  Y-  reference my picture jumper.

Touch Screen use of 4-wire resistance screen, four lines are: X1, X2, Y1, Y2
X1, X2 in the horizontal direction for a change in the resistance, Y1, Y2 for the longitudinal resistivity.
How do you know which line is a two x1 x2 y1 y2? Touch panel along the four lines above are facing their own look at the screen from top to bottom in the line is about on both sides of the x1 x2 is y1 y2. Established phone touch screens measuring four points of the voltage. Two 2.7V and  two 0v . two voltage are measured after boot. 2.7 v is y. X is not the voltage.
After corresponding with xy can generally be connected. If the touch panel screen and click position opposite or reverse. Swap contrast x-y reversed.
















« Last Edit: August 29, 2008, 02:02:51 PM by mani6 »

Srimeenakshimobiles

Touch Screen repair
« on: May 01, 2008, 02:31:13 PM »

mar

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Touch Screen repair
« Reply #1 on: August 15, 2008, 09:29:06 PM »
thanks for nice sharing sir..keep on sharing

yadudada

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Touch Screen repair
« Reply #2 on: August 16, 2008, 12:12:02 AM »
thanks for nice sharing

Srimeenakshimobiles

Touch Screen repair
« Reply #2 on: August 16, 2008, 12:12:02 AM »

sztin10

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Team Medical Dragon
« Reply #3 on: October 11, 2008, 05:55:01 PM »
you can read free manga Team Medical Dragon onlinehttp://www.MaxManga.comTeam Medical Dragon 42 Team Medical Dragon 43 Team Medical Dragon 44 Team Medical Dragon 45

sundar

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Re: Touch Screen repair
« Reply #4 on: February 18, 2009, 05:26:17 PM »
one more picture........


Always TAG your threads

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rumbl08aq0

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Cheap Ray
« Reply #5 on: September 17, 2013, 08:01:03 PM »
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