Panasonic KX-TG8421FXB Service Manual Manual pdf 41 page image
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Panasonic KX-TG8421FXB Service Manual

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Contents
  1. Table Of Contents
  2. Safety Precautions
  3. Discarding of P.C. Board
  4. Specifications
  5. Technical Descriptions
  6. Circuit Operation (Base Unit)
  7. power supply circuit
  8. Block Diagram (Handset)
  9. Circuit Operation (Handset)
  10. Circuit Operation (Charger Unit)
  11. Signal Route
  12. Controls
  13. Installation Instructions
  14. Operating Instructions
  15. answering system setting
  16. Registering a Handset to a Base Unit
  17. Copying Phonebook Entries
  18. Troubleshooting
  19. For Service Hint
  20. Service Mode
  21. Copying Phonebook Items when Repairing
  22. How to Clear User Setting
  23. Troubleshooting Guide
  24. check power
  25. base unit
  26. check link
  27. check the rf part
  28. check handset transmission
  29. Troubleshooting by Symptom (Base Unit and Charger Unit)
  30. Troubleshooting by Symptom (Handset)
  31. Disassembly and Assembly Instructions
  32. How to Replace the Handset LCD
  33. Measurements and Adjustments
  34. Adjustment Standard (Base Unit)
  35. Adjustment Standard (Charger Unit)
  36. The Setting Method of JIG (Handset)
  37. Adjustment Standard (Handset)
  38. Things to Do after Replacing IC or X'tal
  39. RF Specification
  40. How to Check the Handset Speaker or Receiver
  41. Miscellaneous
  42. CPU Data (Handset)
  43. How to Replace the Flat Package IC
  44. How to Replace the LLP (Leadless Leadframe Package) IC
  45. Diodes
  46. Schematic Diagram
  47. Schematic Diagram (Base Unit)
  48. Schematic Diagram (Base Unit_Operation)
  49. Schematic Diagram (Handset)
  50. Schematic Diagram (Charger Unit)
  51. Printed Circuit Board
  52. Circuit Board (Base Unit_Operation)
  53. Circuit Board (Handset)
  54. Circuit Board (Charger Unit)
  55. Exploded View and Replacement Parts List
  56. Cabinet and Electrical Parts (Handset)
  57. Cabinet and Electrical Parts (Charger Unit)
  58. Accessories and Packing Materials
  59. Replacement Part List
Panasonic KX-TG8421FXB Service Manual Manual pdf 41 page image
41KX-TG8421FXB/KX-TG8421FXN/KX-TGA840FXB/KX-TGA840FXN9.1.3.2. HandsetCross Reference:Check Point (Handset) (P.52)Power Supply Circuit/Reset Circuit (P.12)
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This manual is suitable for:
KX-TG8421FXBKX-TG8421FXNKX-TGA840FXBKX-TGA840FXN
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