LG U8550 Manuals

1 pdf manual(s) LG U8550 for free download (Document Types: Service manual)

LG U8550 Service manual [PDF] (281 pages)

  • Identifier: id-997435
  • Brand: LG
  • Device: U8550 Cell Phone
  • Type: PDF
  • Key Aspects: End-of-Life Handling and Disposal, Warranty and Service Information, Common Issue Diagnostic Flows
  • UPD Date: 27.08.2026
  • Source File: 1161052.pdf
  • Pages: 281
  • Description: Operational manual for the LG U8550.
Pages Preview:
  • - 3 - 1. INTRODUCTION .............................. 6 1.1 Purpose................................................... 6 1.2 Regulatory Information............................ 6 1.3 Abbreviations .......................................... 8 2. PERFORMANCE............................ 10 2.1 System Overview.................................. 10 2.2 Usable environment.............................. 11 2.3 Radio Performance............................... 11 2.4 C
  • Table Of Contents - 4 - 3.8.3 Frequency Generation .....................92 4. TROUBLE SHOOTING ...................94 4.1 Power ON Trouble .................................94 4.2 USB Trouble ..........................................96 4.3 SIM Detect Trouble................................97 4.4 TransFlash Trouble................................98 4.5 Keypad Trouble......................................99 4.6 1.3M Camera Trouble..........................101
  • Table Of Contents - 5 - 7.3.5 WCDMA Calibration Items............ 210 7.3.6 Baseband Calibration Item ........... 218 7.4 Program Operation ............................. 219 7.4.1 XCALMON Program Overview ..... 219 7.4.2 XCALMON Icon Description ......... 220 7.4.3 Calibration Procedure ................... 223 7.4.4 Calibration Result Message.......... 225 8. Circuit Diagram ............................229 9. pcb layout.....................................
  • 1. INTRODUCTION - 6 - 1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features of this model. 1.2 Regulatory Information A. Security Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons other than your company’s employees, agents, subcontractors, or person working on your company’s behalf) can result in substantial additional charges f
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Date: November, 2005 / Issue 1.0 Service Manual U8550 Service Manual Model : U8550

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