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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair 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 10-19-2012, 04:44   #1 (permalink)
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Arrow Nokia 110 Lcd and Keypad Lights Solution by speed_tech14

Nokia 110 Lcd and Keypad Lights Solution by speed_tech14


Problem

- LCD and Keypad Lights

Action Taken

- Replace Coil and transistor no luck

Solution

- Jumper pin no. 2 to coil


Images





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Old 12-09-2012, 16:37   #2 (permalink)
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not working................................
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Old 03-11-2013, 08:57   #3 (permalink)
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Nokia 110 light solution
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Old 05-04-2013, 09:11   #4 (permalink)
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Thumbs up 110 lcd light solution

check the track, and make the track safely
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Old 05-04-2013, 10:33   #5 (permalink)
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Quote:
Originally Posted by speedXtech14 View Post
Nokia 110 Lcd and Keypad Lights Solution by speed_tech14


Problem

- LCD and Keypad Lights

Action Taken

- Replace Coil and transistor no luck

Solution

- Jumper pin no. 2 to coil


Images





how can it work becose you show direct supply to display connecto from battery conecctor. it is batery supply.no false solution.
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Old 06-23-2013, 09:50   #6 (permalink)
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Need keypad solution nokia 110..
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Old 08-02-2013, 10:30   #7 (permalink)
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Originally Posted by Sagitarious View Post
Need keypad solution nokia 110..
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Old 08-03-2013, 15:33   #8 (permalink)
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its working 100%after Replace Coil and transistor make this jump
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Old 08-03-2013, 19:39   #9 (permalink)
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Quote:
Originally Posted by speedXtech14 View Post
Nokia 110 Lcd and Keypad Lights Solution by speed_tech14


Problem

- LCD and Keypad Lights

Action Taken

- Replace Coil and transistor no luck

Solution

- Jumper pin no. 2 to coil

Images





wrong solution . How can you give directs supply from battery connector bacose coil takes supply from battery connector.it is all waste.
If you wants to make Nokia 110,112,114 display light follow it
1- remove transistor and diode.
2- transistor have 3 legs.1aheadand 2 legs behind. One leg become ground and second supply of behind legs.take a jumper from supply leg of transistor and joint it on display pin no-2.
3- make ground display pin no-3.
chek it 1000000%display light will be come.
4- if you want to make keypad light too,apply same trick for keypad light.

Note-- no need any transistor or diode and if you want to remove coil too you may remove.

Last edited by mahzra azra; 08-03-2013 at 19:44.
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Old 08-04-2013, 13:43   #10 (permalink)
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i think lcd light not off when phone stanby
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Old 09-10-2013, 05:49   #11 (permalink)
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Nokia 110 Lcd and Keypad No Lights...










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Old 09-10-2013, 05:59   #12 (permalink)
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Old 09-10-2013, 06:05   #13 (permalink)
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Old 09-10-2013, 06:08   #14 (permalink)
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Old 10-28-2013, 21:15   #15 (permalink)
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Hi...

For all about say WITHOUT TRANZISTOR solution !!!

Please read here...

One copy display..or original display need 5.6-5.9 Volts for good light..

The display led is in series vith board led.....

In schematicd...Vled- Vbat=Vdisp+Vboard=5.7V+3V=aprox 9V...

VLed= aprox..13V

How can..without tranzistor(inverter)..with 3.6V on Vbat....power the 5.7V led?

Is simple electronics here...look on schematics....

Only solution is replace transistor from inverter( ok...repair inverter)..or change display led with one at 3V and put in paralel with board led..

TNX...

P.S. For all who want without transistor solution and all who put smooth picture on forum...
Attached Images
File Type: jpg nok 110 driver.jpg (38.2 KB, 162 views)
File Type: jpg nok 110 lcd.jpg (23.1 KB, 152 views)
File Type: jpg nok110 parts.jpg (47.4 KB, 148 views)
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