Contents
  1. Mobile Phone Repairing PDF Book Free Tutorial & Guide
  2. Repair guide : GSM Interconnect Cable Samsung Galaxy S6
  3. Mobile Phone Repairing PDF Book Free Tutorial & Guide
  4. [PDF] Mobile Phone Repair and Maintenance free tutorial for Beginners

PDF | This study determined the maintenance practices in mobile phones for training electronic technology colleges on mobile phone fault diagnosis and practical skills in the repair of faults in mobile phones. . According to Gsmindia. Mobile Phone Repairing PDF Book - Looking for book on mobile phone repairing . Download this PDF book for free to learn mobile phone. Courtesy: WAEC Uploaded by: ciulamuhabal.ml GSM PHONES General safety precaution in mobile phones repair and maintenance 7.

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Gsm Repair Pdf

Download course Mobile Phone Repair and Maintenance, free PDF ebook by Commonwealth of Learning on 49 pages. As its name suggests, Repair PDF File is a utility for repairing damaged or corrupt PDF files. This program created by Data Recovery can repair. GSM mobile phones. The right tester for any GSM-based mobile repair. Every member of the Willtek (S) family features two test modes: AUTOTEST.

Skip to main content. Log In Sign Up. Kindong Theodore. WAEC Uploaded by: Basic concept and terminologies 2. Tracing, testing, trouble shooting, maintenance and repairs of mobile phones 3.

Mobile Phone Repairing PDF Book Free Tutorial & Guide

Structure of mobile phones Basic block diagram power unit, memory unit and radio unit and functions of each block. Hardware components Identification, description and functions of various hardware components including CPU, SIM socket, earpiece, keypad, buzzer, vibrator etc. Software components Various software components both operating and application software.

Identify common software tools for repair such as; unlocking software, flashing software firmware installation etc. Safe use of maintenance tools.

Basic safety facilities in the mobile phone workshop first aid box, fire extinguishers etc. Identification of mobile phone ICs and electronic components.

Reading of PCB circuit layout and schematic diagrams. Tracing and fault finding in Identification of faulty components using hardware visuals, continuity test, open circuit, short circuit etc. Fault finding in software Use of software codes for faults finding.

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Setting up a mobile phone work shop Capital, personnel and factors that determining choice of location 2. Managing a mobile phone business Risk analyses, costing, return on investment etc.

Repair guide : GSM Interconnect Cable Samsung Galaxy S6

Brush 25 10 Soldering iron 10 Safety chart 1 Hammer 25 Spanner various types 25 Tweezer 10 PCB Board holder 25 Cutter 25 Magnifying desk lamp 10 Ultrasonic cleaner 1 Re-balling kits Chat 05 Flashing and unlocking devices 02 Cables and wires Assorted DC Regulated power supply 02 7. Download pdf.

Battery Connector www. SIM Card SIM Card Connector www. Memory Card Memory Card Connector www. Camera Camera Connector www.

Keypad Button Keypad Connector Display Display Connector www. Antenna PCB www. Antenna Point: The point where anteena is connected is called anteena point.

Network Section: The section below anteena point and above power section is called network section. Anteena Switch: It is found in the network section. It is made from metal and non-metal. It has 16 points or legs.

In some mobile phones, the anteena switch is merged with PFO. PFO: It is present beside the antenna switch. Power Section: This section is below the Network Section. In some mobile phones there are 2 Power IC.

In some sets there are 2 CPU.

Mobile Phone Repairing PDF Book Free Tutorial & Guide

Work: It searches network and passes forward after tuning. Faults: If the Anteena Switch is faulty then there will be no network in the mobile phone.

It is also called P. Work: It filters and amplifies network frequency and selects the home network. Faults: If the PFO is faulty then there will be no network in the mobile phone. If it gets short then the mobile phone will get dead.

[PDF] Mobile Phone Repair and Maintenance free tutorial for Beginners

It is also called RF signal processor. Work: It works as transmitter and receiver of audio and radio waves according to the instruction from the CPU. Sometimes mobile phone can even get dead. It is also called Network Crystal. It is made up of metal.

Work: It creates frequency during outgoing calls. Faults: If this crystal is faulty then there will be no outgoing call and no network in the mobile phone.

It also creates frequency after taking command from the CPU. Work: It filters frequency during incoming calls. Faults: If it is faulty then there will network problem during incoming calls.

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