LG B1300 SIM Unlock Code Manuals

Manuals and User Guides for LG B1300 SIM Unlock Code. We have 1 LG B1300 SIM Unlock Code manual available for free PDF download: Service Manual

LG B1300 Service Manual

LG B1300 Service Manual (73 pages)

Brand: LG | Category: Cell Phone | Size: 7.24 MB

Table of Contents

Table of Contents
2
Chapter 1 - Performance

4
- Performance
  4
- HW Feature
  10
Chapter 2. Technical Brief

11
- The RF Chipset
  11
- The PA Circuit
  15
- Peripheral Circuit
  16
- Digital Baseband Chip
  16
- Analog Baseband Chip
  18
- CPU Memories
  20
- Power Supplies
  20
- Battery Charge Interface
  22
- System Connector
  24
- Keypad Switches and Scanning
  26
- Display Interface
  27
- Microphone
  28
- Receiver/Speaker/Buzzer
  28
- Headset Interface
  29
- Back-Light Illumination
  29
- Vibrator
  29
Chapter 3. Failure List

30
Chapter 4. Trouble Shooting

32
- Power Supply
  32
- Software Download
  33
- Voice Function
  34
- Display Function
  35
Chapter 5. Test Point Data

37
- Component Side(1-1)
  37
- Component Side(1-2)
  41
- Keypad Side(2-1)
  45
Chapter 6. Assembly Instructions

48
- Remove Battery Cover
  48
- Remove Battery
  48
- Remove Screws
  49
- Turn Handset up
  49
- Take off Front Panel
  49
- Take off Keypad & Metal-Dome
  50
- Take off Mainboard
  50
- Take off Battery Connecter & MIC & Vibrator
  51
- Turn Mainboard down
  51
- Take off Antenna
  52
- Take off Shielding Cover
  52
Chapter 7. Block Diagram

53
- RF Section
  53
- Baseband Section
  54
Chapter 8. Circuit Diagram

55
Chapter 9. Tooling List

61
Chapter 10. Equipment List

64
Chapter 11 - Exploded View

65
- Replacement Part List
  67
Chapter 12 - Repair Record Form

73

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