Nokia N97 Qwerty Keypad Keys Backlight LED failure solution - welcome to our blog Techno Live, now we will discuss information about the Nokia N97 Qwerty Keypad Keys Backlight LED failure solution, our admins on this blog has been around to collect information you are looking for so that we usakan to display complete information for you, and in this blog, you can also search for other information, ok please continue reading may be easily understood:

This is about : Nokia N97 Qwerty Keypad Keys Backlight LED failure solution
And this article : Nokia N97 Qwerty Keypad Keys Backlight LED failure solution
Article Nokia N97,

Nokia N97 Qwerty Keypad Keys Backlight LED failure solution

Here's a solution for Nokia N97 backlight LED on the QWERTY keys not working or failed to light up.
This solution can be used if the keypad membrane flex is not damaged but the LED backlight still won't light up.

Nokia N97 Backlight LED Not Working Solution

The solution above shows the qwerty keypad backlight LED circuit, it is composed of LED driver IC and filtering Resistors. These Resistors has a 0 ohms resistance value, you may check first these resistors before troubleshooting  further.
The LED driver needs the Battery Voltage which is 3.7 volts that came across with red color highlighted component Resistor, check that voltage and continuity to the battery B+ terminal.
If all the Resistors were okay, you may then proceed to check or replace the LED Driver IC.

Articles Nokia N97 Qwerty Keypad Keys Backlight LED failure solution finished we discussed

A few of our information about the Nokia N97 Qwerty Keypad Keys Backlight LED failure solution, I hope you can exploit carefully

No've You've finished reading an article on Nokia N97 Qwerty Keypad Keys Backlight LED failure solution and many articles about modern home in our blog this, please read it. and url link of this article is http://liveeconcerts.blogspot.com/2014/03/nokia-n97-qwerty-keypad-keys-backlight.html Hopefully discussion articles on provide more knowledge about the world of tech gadgets.

Tag : Nokia N97,

Tweet