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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 09-23-2008, 18:51   #1 (permalink)
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Basic Know How For Mobile Repairing Only For Beginners

When any person want to learn about mobile repairing course they have not familar about electronics how to use multimeters how to check components etc etc I prepared some questions i hope that master of this forums will replied the same i have also reply some common question i put in this forum but some question i have no reply so that i requested to all masters please reply for benefit of new commers who join/learn mobile repairing course.


(1) Introduction to Electricity

(2) Basics of Electronics

(3) Introducing most common Electronic Components

(4) Identification of Electronic Parts and their testing using Multimeter

(5) Basic Soldering Technics

(6) Soldering Practise

(7) Project Assembling and Testing

(8) Understanding the Circuit Diagrams

(9) Tracing of Circuits with reference to Circuit Diagrams or
:
(9) Tracing of Circuits with reference to Circuit Diagrams or Schematics

(10) Basic Transmitters and Receivers

(11) Understanding of TELEphony phenomena by using corded Intercom circuit diagram and a live model of the same.

(12) Theory of Operation of Basic Telephone and Cordless Phones

(13) Principles of FREQUENCY related phenomena leading to the Basics of mobile Phone Technology involved
:
:

Advanced Module Begins exactly where the Basic Module has ended

(1) How Mobile Phones work

(2) Various Mobile technologies like GSM , CDMA etc.

(3) GSM Architecture

(4) Mobile Phone BLock Diagram and it's understanding

(5) SIM Architecture

(6) Batteries & Chargers

(7) Power Supply & Charging Circuit

(8) User Interface (UI)

(9) R.F Circuit Functions : IF Amplifier , DE-Modulator, Oscillator , Modulator , Power Amplifier , Antenna Switch and it's associated Circuits

(10) Audio Circuit

(11) Comparision with a Computer

(12) CPU , Flash ICs and RAM ICs - how they Handle and collaborate between Hardware and Software Functions

(13) Opening Procedure for Various Popular Models of mobile Phones with Pictorial Illust

(13) Opening Procedure for Various Popular Models of mobile Phones with Pictorial Illustrations for later reference

(14) Understanding of Mobile Phone's Circuit Diagrams

(15) Tracing of Mobile Phone PCB Circuits with reference to it's Circuit Diagram or Schematic.

(16) Fault Finding and Common Faults Occuring

(17) Using Soldering Gun (Hot Air gun) for removing and soldering of Chips and BG

(18) Codes for Various Mobile Phone Functions

(19) Data Cable Connection for Communicating with the PC (personal Computer

(20) Solving Software Related Problems like Repairing Dead Phones , Unlocking etc. wity the use of Commonly used Softwares.

(21) Understanding of Multi Media Applications like Rington

(21) Understanding of Multi Media Applications like Ringtones, Wallpapers, games, Softwares, Themes, MP3 Songs Playback, Video Clips Downloading etc



Attached Files
File Type: rar Basic Electricity.rar (11.4 KB, 1791 views)
File Type: rar different mother boards used in mobile phone illustrated.rar (88.8 KB, 2057 views)
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Old 09-23-2008, 18:54   #2 (permalink)
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some more remaining .........
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Old 10-15-2008, 05:19   #3 (permalink)
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Request to all Hardware Expert Members

Please Post

(4) Identification of Electronic Parts and their testing using Multimeter

(5) Basic Soldering Technics

(6) Soldering Practise

(7) Project Assembling and Testing

(8) Understanding the Circuit Diagrams

(9) Tracing of Circuits with reference to Circuit Diagrams or
:
(9) Tracing of Circuits with reference to Circuit Diagrams or Schematics

(10) Basic Transmitters and Receivers

(11) Understanding of TELEphony phenomena by using corded Intercom circuit diagram and a live model of the same.

(12) Theory of Operation of Basic Telephone and Cordless Phones

(13) Principles of FREQUENCY related phenomena leading to the Basics of mobile Phone Technology involved
:
:

Advanced Module Begins exactly where the Basic Module has ended

(1) How Mobile Phones work

(2) Various Mobile technologies like GSM , CDMA etc.

(3) GSM Architecture

(4) Mobile Phone BLock Diagram and it's understanding

(5) SIM Architecture

(6) Batteries & Chargers

(7) Power Supply & Charging Circuit

(8) User Interface (UI)

(9) R.F Circuit Functions : IF Amplifier , DE-Modulator, Oscillator , Modulator , Power Amplifier , Antenna Switch and it's associated Circuits

(10) Audio Circuit

(11) Comparision with a Computer

(12) CPU , Flash ICs and RAM ICs - how they Handle and collaborate between Hardware and Software Functions

(13) Opening Procedure for Various Popular Models of mobile Phones with Pictorial Illust

(13) Opening Procedure for Various Popular Models of mobile Phones with Pictorial Illustrations for later reference

(14) Understanding of Mobile Phone's Circuit Diagrams

(15) Tracing of Mobile Phone PCB Circuits with reference to it's Circuit Diagram or Schematic.

(16) Fault Finding and Common Faults Occuring

(17) Using Soldering Gun (Hot Air gun) for removing and soldering of Chips and BG

(18) Codes for Various Mobile Phone Functions

(19) Data Cable Connection for Communicating with the PC (personal Computer

(20) Solving Software Related Problems like Repairing Dead Phones , Unlocking etc. wity the use of Commonly used Softwares.

(21) Understanding of Multi Media Applications like Rington
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Old 01-26-2009, 09:03   #4 (permalink)
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any body help any web sites for bigner ...mobils reapring any web sites tell me arehman085@yahoo.com
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Old 01-27-2009, 05:28   #5 (permalink)
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thanks dear very help ful to new comer in mobile field reparing
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Old 06-27-2009, 12:13   #6 (permalink)
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mobile repairing is not like the bicycle repairing.We have to go through the books like basicelectronics,basicelectricals,measering electronics instruments,basicradio,electronics communication systems,digital electronics,practicals on multimeters-oscilloscope-LCR meter-meggar-neon tester ect.
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Old 06-27-2009, 13:01   #7 (permalink)
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DOWNLOAD TRAINING MANUALS
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Old 07-06-2009, 09:48   #8 (permalink)
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Thank you very much for helping us.
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Old 07-07-2009, 07:56   #9 (permalink)
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every components mostly connected in ckt through one end ground.(2) all vhf&uhf sets are positively ground.(3) to check the gronded components we have to remove it and check.(4) in simple proceedure coil to be check for continuity,capacitor to be checked for short&likage,diode to be checked for open or short,resistance to be checked for ohmic value.In ckt capacitors mostly work for the filtering action & leading laginng current.In rf section capacitors works for the frequency resonance,by pass the spikes ect.
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Old 04-25-2010, 07:30   #10 (permalink)
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Here is the new methods of learning the basics for beginners it is simplified and pictures supported for easy understanding, so that beginners can manage to practice with their own.

Introduction: Basic Information How Cellphone Works? | Free Cellphone Repair Tutorials
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Old 11-04-2011, 03:22   #11 (permalink)
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Dear All,

I am new here!
And I would like you all to guide me on how do phone repair?
I try to follow the link for basic manual but I found nothing,would you guy have any idea or experience,pls share me thru this mail: nsithy@gmail.com.

Thanks in advance!
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