Panasonic KX-TG7731S Service Manual Manual pdf 35 page image
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Panasonic KX-TG7731S Service Manual

Also see for KX-TG7731S: Operating instructions

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Contents
  1. Table Of Contents
  2. Safety Precautions
  3. About Lead Free Solder (PbF: Pb free)
  4. Specifications
  5. Technical Descriptions
  6. US-DECT Description
  7. Block Diagram (Base Unit_Main)
  8. Tel Interface Circuit
  9. Block Diagram (Base Unit_RF Part)
  10. Circuit Operation (Base Unit)
  11. Block Diagram (Handset)
  12. Block Diagram (Handset_RF Part)
  13. Circuit Operation (Handset)
  14. Circuit Operation (Charger Unit)
  15. Signal Route
  16. Location of Controls and Components
  17. Test Mode
  18. Service Mode
  19. Troubleshooting Guide
  20. base unit
  21. charger unit
  22. deregistering a handset
  23. check handset transmission
  24. Disassembly and Assembly Instructions
  25. How to Replace the Base Unit LCD
  26. How to Replace the Handset LCD
  27. Measurements and Adjustments
  28. Adjustment Standard (Base Unit)
  29. Adjustment Standard (Charger Unit)
  30. Adjustment Standard (Handset)
  31. Things to Do after Replacing IC or X'tal
  32. Frequency Table
  33. Bluetooth Frequency Table
  34. Miscellaneous
  35. How to Replace the Flat Package IC
  36. Terminal Guide of the ICs, Transistors and Diodes
  37. Schematic Diagram
  38. Schematic Diagram (Base Unit_Main)
  39. Schematic Diagram (Base Unit_RF)
  40. Schematic Diagram (Base Unit_Operation)
  41. Schematic Diagram (Handset_Main)
  42. Schematic Diagram (Charger Unit)
  43. Printed Circuit Board
  44. bottom view
  45. Circuit Board (Base Unit_Operation)
  46. Circuit Board (Handset_Main)
  47. Circuit Board (Charger Unit)
  48. Exploded View and Replacement Parts List
  49. Cabinet and Electrical Parts (Handset)
  50. Cabinet and Electrical Parts (Charger Unit)
  51. Accessories and Packing Materials
  52. Replacement Parts List
  53. accessories and packing materials
Panasonic KX-TG7731S Service Manual Manual pdf 35 page image
35KX-TG7731S/KX-TG7732S/KX-TG7733S/KX-TGA470S10.1.2. Check Record10.1.2.1. Base UnitNot record Incoming MessageCross Reference:Signal Route (P.25)Telephone Line Interface (P.16)Parallel Connection Detect Circuit/Auto DisconnectCircuit (P.17)Note:Flash Memory is IC601.BBIC is IC501.Check Bell signal.OKCheck Telephone Line Interface[Bell].Does the unit catch line?YESCheck Telephone Line Interface[OFF HOOK].Check Line In: Pin 25 of BBIC. Check ICM Recording in Signal Route.NOOKCheck Auto Disconnect Circuit.OKCheck Parallel Connection DetectionCircuit.OKCheck BBIC and Flash Memory.NONO
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This manual is suitable for:
KX-TG7731SKX-TG7732SKX-TG7733SKX-TGA470S
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