Nokia 6268 USB Charging Cable Manuals

Manuals and User Guides for Nokia 6268 USB Charging Cable. We have 5 Nokia 6268 USB Charging Cable manuals available for free PDF download: Rf Description And Troubleshooting, Baseband Description And Troubleshooting, Antenna Description And Troubleshooting, Disassembly, Reassembly

Nokia 6268 Rf Description And Troubleshooting

Nokia 6268 Rf Description And Troubleshooting (84 pages)

Mobile Terminals

Brand: Nokia | Category: Cell Phone | Size: 2.47 MB

Table of Contents

Table of Contents
2
Mobile Terminal Components
5
Preliminary RF Troubleshooting
7
- Mobile Terminal Cannot Make a Call
  7
- Tx Power Low
  7
Transmitter RF Troubleshooting
8
- Transmitter Block Diagram
  9
- Transmitter Schematics
  10
- Transmitter Troubleshooting Setup
  12
  - AMPS Tx Setup
    12
  - Cell Tx Setup
    15
  - PCS Setup
    17
- Transmitter RF Troubleshooting Procedures
  19
  - Failed Test: Tx PA Detector
    20
  - Tx Output Spectrum
    21
  - Tx DC Test Points
    22
  - Tx RF Test Points
    23
  - DC Test Points
    24
Receiver RF Troubleshooting
25
- Receiver Block Diagram
  26
- Receiver Schematics
  27
- RF AGC Status
  29
- Turning on the Rx Path
  30
- Switching the Rx Gain States
  32
- Checking AMPS from RF to IQ
  33
- Checking CDMA CELL Receiver from RF to IQ
  35
- Checking CDMA PCS Receiver from RF to IQ
  37
- Receiver Diagnostic Signal Tracing
  38
  - Receiver RF Test Points
    39
  - Receiver if Test Points
    40
  - Receiver DC Test Points
    41
- Receiver Logic Input Voltages
  42
- Rx Front-End Receiver Troubleshooting
  43
Synthesizer Troubleshooting
45
GPS Troubleshooting
65
- GPS RF Block Diagram
  65
- GPS RF Schematic
  66
- GPS Troubleshooting Setup
  67
  - HW Self Test Failure
    68
  - Oscillator Test Failure
    68
  - CW (Mode 3) Test Failure
    68
  - GPS DC Test Points
    69
  - GPS RF Troubleshooting Setup
    70
  - GPS RF Test Points
    71
FM Radio Troubleshooting
72
Bluetooth Troubleshooting
76
- Bluetooth Schematic
  76
- Bluetooth Troubleshooting
  77
  - Test Setup 1
    77
  - Test Setup 2
    78
  - Test Setup 3
    79
  - Test Setup 4
    80
  - Test Setup 5
    81
- Bluetooth Troubleshooting Flowchart
  82
- Bluetooth DC and RF Test Points
  83

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Nokia 6268 Baseband Description And Troubleshooting

Nokia 6268 Baseband Description And Troubleshooting (60 pages)

Mobile Terminals

Brand: Nokia | Category: Cell Phone | Size: 2.68 MB

Table of Contents

Table of Contents
2
Introduction
5
Flash Programming
10
- Flashing Tool
  10
- Flashing Troubleshooting
  10
- Flashing Phoenix Interface
  12
Audio
13
- How the Audio Works
  13
- Audio Troubleshooting
  14
- Audio Phoenix Interface
  15
Camera
16
- How the Camera Works
  16
- Camera Troubleshooting
  16
- Camera Phoenix Interface
  18
FM Radio
19
- How the FM Radio Works
  19
- FM Radio Test
  19
- FM Radio Troubleshooting
  19
- FM Radio Phoenix Interface
  21
USB (Universal Serial Bus)
22
- How the USB Interface Works
  22
- USB Troubleshooting
  23
Infrared
25
- How Infrared Works
  25
- Infrared Troubleshooting
  25
- Infrared Phoenix Interface
  26
Display
27
- How the Display Works
  27
- Display Troubleshooting
  27
- Display Backlight Troubleshooting
  28
- Display Phoenix Interface
  30
Keypad Backlight
31
Slide Detect Circuit
33
- How the Slide Detect Circuit Works
  33
- Slide Detect Circuit Troubleshooting
  33
Gps
35
- How the GPS Works
  35
- What Does the GPS BB Do
  36
- GPS Troubleshooting
  36
- GPS Phoenix Interface
  38
UIM Card
39
- How UIM Card Works
  39
- UIM Card Troubleshooting
  39
- UIM Card Phoenix Interface
  42
Bluetooth
43
Mini-SD
46
- Mini-SD Troubleshooting
  46
System Connector
47
Accessory Detection
48
Battery Interface Circuit
49
Charging
50
Common Problems
51
- No Communication During Flash
  51
- No Communication During Alignment
  51
- Failed Self Test/Calibrate
  51
- Mobile Terminal Not Powering up
  51
- Shut down after 32 Seconds
  51
- No Audio
  52
- Key Pads Malfunction
  52
- No LCD Display
  52
Phoenix Tools
53
Reference
59
- Signal References
  59
Main Display Test Points
60

Nokia 6268 Antenna Description And Troubleshooting

Nokia 6268 Antenna Description And Troubleshooting (26 pages)

Mobile Terminals

Brand: Nokia | Category: Cell Phone | Size: 1.24 MB

Table of Contents

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Nokia 6268 Disassembly

Nokia 6268 Disassembly (18 pages)

Brand: Nokia | Category: Handhelds | Size: 1.19 MB

Table of Contents

Table of Contents
2
Safety Information
3
- ESD Protection
  3
Disassembly Instructions
4
- Place Protective Film on the A-Cover
  4
- Remove the Battery Cover
  4
- Remove the Antenna/E-Cover
  5
- Remove the Camera Gasket
  5
- Remove the Screws
  6
- Remove the A-Cover from the B-Cover
  7
- Remove the A-Cover Keymat
  8
- Remove the Mini SD Door
  8
- Remove the Screws
  9
- Remove the D-Cover from the C-Cover
  9
- Remove the PWB
  10
- Remove the Camera
  10
- Remove the Main Keymat
  10
- Keymat Removal ONLY
  11
- Remove the Main Flex Assembly
  12
- Remove the LCD Flex Cable and Assembly
  13
- Remove the Volume Key
  14
- Remove the Camera Key
  15
- Remove the IHF Assembly
  15
- Remove the BT Antenna
  16
- Remove the Camera Flash
  16
- Remove the DC Jack
  17
- Remove the Microphone
  17

Nokia 6268 Reassembly

Nokia 6268 Reassembly (14 pages)

Mobile Terminals

Brand: Nokia | Category: Cell Phone | Size: 0.8 MB

Table of Contents

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