Here's the solution for not working keypad backlight LED on Nokia 6730 classic. If the keypad's backlight LED doesn't turns on.
This repair guide shows some simple hints on how to repair and fix the problem.
If trying to fix a not working backlighting LED's on the device. The LED's is mounted on the keypad flex assembly, you may first check the keypad flex matrix for possible damaged.
Then check each of the LED's using a multi-meter if already busted or not.
If seems both keypad LED's and the keypad flex were okay, you may refer to this solution below to locate some particular components that holds for the LED's circuit connection.
You may then locate and check the highlighted components shown above. These component were composed of filter coils or inductors with different values, just refer to the solution above for each particular values.
You may then also trace each corresponding connection line paths from the keypad pin connector down to the components where it has being connected. See also the LCD display backlight solution for this phone.
This repair guide shows some simple hints on how to repair and fix the problem.
If trying to fix a not working backlighting LED's on the device. The LED's is mounted on the keypad flex assembly, you may first check the keypad flex matrix for possible damaged.
Then check each of the LED's using a multi-meter if already busted or not.
If seems both keypad LED's and the keypad flex were okay, you may refer to this solution below to locate some particular components that holds for the LED's circuit connection.
Nokia 6730c Keypad Backlight Solution
You may then also trace each corresponding connection line paths from the keypad pin connector down to the components where it has being connected. See also the LCD display backlight solution for this phone.
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