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Go Back   IMEI Source > Mobile Phone Brands -=Hardware & Software Area=- > Chinese Models & Cloned Phones > China Hardware & Hardware-Repair Area

China Hardware & Hardware-Repair Area Only hardware problems share

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Old 01-14-11, 21:04   #1 (permalink)
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Touch Screen repair(with pictures

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.

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Old 01-14-11, 21:04   #2 (permalink)
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Re: Touch Screen repair(with pictures

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Old 01-14-11, 21:05   #3 (permalink)
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Re: Touch Screen repair(with pictures

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Old 01-14-11, 21:05   #4 (permalink)
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Re: Touch Screen repair(with pictures

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Old 01-14-11, 21:05   #5 (permalink)
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Re: Touch Screen repair(with pictures

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Old 01-14-11, 21:05   #6 (permalink)
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Re: Touch Screen repair(with pictures

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Old 01-14-11, 21:05   #7 (permalink)
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Re: Touch Screen repair(with pictures

How to correct touch screen X -Y connection

Here is some info abt.How to correct touch screen X -Y connection? when we reples touch screen. with not same touch screen, we need to change it x and y connection.

check with pic.

thanks to "phones-china "

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Old 01-14-11, 21:06   #8 (permalink)
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Re: Touch Screen repair(with pictures

touch screen jumper's

nice share friends but here i will give u a perfect solution for touch screen some time touch panel look's like same as other but there config and changed mean x y are changed and that does not work before to work any further operation just apply and check these jumper's and that work for u check and post the result's.....


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Old 01-14-11, 21:06   #9 (permalink)
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Re: Touch Screen repair(with pictures

Check This 100% Working

http://www.multiupload.com/6B47SJCIVH

<A class=highslide onclick="return hs.expand(this)" href="http://s2.subirimagenes.com/otros/3899604touch-new.jpg">
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Old 01-15-11, 10:04   #10 (permalink)
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Re: Touch Screen repair(with pictures

thanx bro gud solution and improve it more thnx again
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