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Nokia All Hardware & Hardware-Repair Area All what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 02-20-2011, 04:17 PM   #1 (permalink)
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Arrow Nokia E5 LCD Display Problem Solution with Filter IC Jumper ways

Nokia E5 LCD Display Problem Solution with Filter IC Jumper ways


Here's the Nokia E5 solution for LCD screen display problems such as white screen, blank or empty screen, garbled or saturated screen displays. This solution shows the most common LCD display connection which mainly caused the problem when occurred.

To fix a display problem you may first try to restore, flash update the device firmware, unless the LCD screen panel is not damaged like cracked or broken. This may also fix the display problem for not damaged LCD screen module. For white screen problem, unless you can hear the device welcome tone when turning it ON, this problem is cause by either a faulty LCD screen or a display filter IC. So you may need to replace a new working LCD first, before you may proceed on PCB board troubleshooting.


The solution above shows the connection line paths of the display signals from the ESD-EMI filter IC down to the LCD pin connector. Which you can use to trace the the LCD displays corresponding line paths across to that circuit. You may first check the LCD's supply voltages on the upper components of the PCB board, also check or replace the resistors and capacitors. Then if the two supply voltages is okay. Try to replace the Display filter IC alternately.
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Old 02-20-2011, 05:15 PM   #2 (permalink)
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Good job brother
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