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Nokia 6235 Troubleshooting Manual

Also see for 6235: User guideUser guideUser guideDisassembly/AssemblyAntenna Description and Troubleshooting

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Contents
  1. troubleshooting
  2. Table Of Contents
  3. Table Of Contents
  4. i/6236i Mobile Terminal
  5. RF Components
  6. Preliminary RF Troubleshooting
  7. Transmitter RF Troubleshooting
  8. Transmitter Schematics
  9. Transmitter Troubleshooting Guidelines
  10. AMPS Tx Setup
  11. Cell Tx Setup
  12. PCS Setup
  13. Transmitter RF Troubleshooting Procedures
  14. Failed Test: Tx PA Detector
  15. Transmitter Output Spectrum
  16. Transmitter Test Points
  17. Tx DC Test Points
  18. Tx RF Test Points
  19. Tx DC Power Supply Test Points
  20. Transmitter UHF LO
  21. Tx UHF LO (N7000) Test Points
  22. Cell Tx UHF Spectrum Output
  23. Receiver RF Troubleshooting
  24. Receiver Block Diagram
  25. RF AGC Status
  26. Turning on the Rx Path
  27. Switching the Rx Gain States
  28. Checking Cell Receiver from RF to IQ
  29. Checking PCS Receiver from RF to IQ
  30. Receiver Diagnostic Signal Tracing
  31. Receiver DC Test Points
  32. Receiver RF Test Points
  33. Receiver IF Test Points
  34. Receiver Logic Input Voltages
  35. Synthesizer Troubleshooting
  36. Synthesizer Block Diagram
  37. Synthesizer Schematics
  38. Synthesizer Troubleshooting Setup
  39. Incorrect PLL Frequencies
  40. VCTCXO Troubleshooting
  41. AFC Voltage Troubleshooting
  42. UHF Synthesizer Schematic
  43. UHF Synthesizer Test Points
  44. Rx VHF LO (N7100) Schematic
  45. Rx VHF LO Troubleshooting
  46. Tx UHF LO (N7000) Schematic
  47. Tx UHF LO (N7000) Troubleshooting
  48. i/6236i (RM
  49. GPS RF Schematic
  50. Self Test Failure
  51. GPS DC Test Points
  52. GPS RF Test Points
  53. FM Radio Troubleshooting Setup
Nokia 6235 Troubleshooting Manual Manual pdf 56 page image
6235/6235i/6236i (RM-60)RF Description and TroubleshootingPage 56 ©2005 Nokia Corporation Company Confidential Issue 1 04/2005Rx VHF LO (N7100) SchematicFollowing are the main layout components on a partial view of the Rx VHF schematic.See the Schematics chapter for detailed versions.Figure 54: Rx VHF schematic, partial viewPLLLock voltageResonatorLoop filter components
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This manual is suitable for:
62356236i62435i
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