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Nokia C2-00 No Display and Keypad Light LED Solution (Connection Jumper Ways )

Posted on:Sunday, July 22, 2012 comments:No Responses By: category:Nokia Hardware Views 1268  
Nokia C2-00 No Display and Keypad Light LED Solution (Connection Jumper Ways ) gsm

Here’s the solution if it happens that you are troubleshooting Nokia C2-00 LCD Display and or keypad backlight problem caused by wet damaged or anything else.

This guide may help you out if the LCD screen shows a dark screen and or the keypad white LED are not functioning. The solution below shows the connection line paths of the LCD and keypad backlight LED of Nokia C2-00 PCB board. You can easily trace and locate where the possible problem occurred.

On Nokia C2-00, the keypad and LCD white backlight LED were connected in series, so it means if there is one LED is busted the whole backlight circuit will  shutdown. For easy troubleshooting, you may first check both of the white LED on keypad, then check also the battery power voltage (VBAT 3.7V) connection.
The LED driver circuit will be the next  spot, then check all the corresponding LED+ and LED- connections down to each of the keypad and LCD white LED.

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Nokia C2 00 No Display and Keypad Light LED Solution (Connection Jumper Ways )

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