Panasonic KX-TG2448BXF Service Manual Manual pdf 89 page image
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Panasonic KX-TG2448BXF Service Manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. ABOUT LEAD FREE SOLDER (PbF: Pb free)
  4. How to Recognize that Pb Free Solder is Used
  5. OPERATING INSTRUCTIONS
  6. battery strength
  7. Location of Controls
  8. Display
  9. Settings
  10. guide to handset programming
  11. Table Of Contents
  12. Troubleshooting
  13. DISASSEMBLY INSTRUCTIONS
  14. Handset
  15. HOW TO REPLACE THE HANDSET LCD
  16. TROUBLESHOOTING GUIDE
  17. Check Power
  18. Check Battery Charge
  19. Check Link
  20. Check the RF part
  21. Check Handset Transmission
  22. ADJUSTMENT AND TEST MODE
  23. Test Mode Flow Chart for Handset
  24. X501 (Base Unit), X201 (Handset) Check
  25. Base Unit Reference Drawing
  26. Handset Reference Drawing
  27. Frequency Table
  28. How to Clear User Setting (Handset Only)
  29. DESCRIPTION
  30. Signal Flowchart in the Whole System
  31. EXPLANATION OF LINK DATA COMMUNICATION
  32. BLOCK DIAGRAM (BASE UNIT_MAIN)
  33. BLOCK DIAGRAM (BASE UNIT_RF PART)
  34. CIRCUIT OPERATION (BASE UNIT_MAIN)
  35. Power Supply Circuit
  36. charge circuit
  37. Reset Circuit
  38. Telephone Line Interface
  39. Parallel Connection Detect Circuit
  40. Calling Line Identification (Caller ID)
  41. GHz Mod/Demod Circuit (Base Unit RF Part)
  42. BLOCK DIAGRAM (HANDSET_MAIN)
  43. BLOCK DIAGRAM (HANDSET_RF PART)
  44. CIRCUIT OPERATION (HANDSET)
  46. Charge Circuit
  47. Sending Signal
  48. GHz Mod/Demod Circuit (Handset RF Part)
  49. SIGNAL ROUTE
  50. CPU DATA (BASE UNIT)
  51. CPU DATA (HANDSET)
  52. EXPLANATION OF IC TERMINALS (RF PART)
  53. HOW TO REPLACE A FLAT PACKAGE IC
  54. FLAT PACKAGE IC INSTALLATION PROCEDURE
  55. CABINET AND ELECTRICAL PARTS (BASE UNIT)
  56. CABINET AND ELECTRICAL PARTS (HANDSET)
  57. ACCESSORIES AND PACKING MATERIALS
  58. Base Unit
  59. REPLACEMENT PARTS LIST
  62. FOR SCHEMATIC DIAGRAM
  63. SCHEMATIC DIAGRAM (BASE UNIT_MAIN)
  64. SCHEMATIC DIAGRAM (BASE UNIT_RF PART)
  65. SCHEMATIC DIAGRAM (BASE UNIT_OPERATION)
  66. SCHEMATIC DIAGRAM (HANDSET_MAIN)
  67. schematic diagram (handset_rf part)
  68. Component View
  69. Flow Solder Side View
  70. CIRCUIT BOARD (BASE UNIT_OPERATION)
  72. CIRCUIT BOARD (BASE UNIT_RF PART)
  73. CIRCUIT BOARD (HANDSET_MAIN)
  74. CIRCUIT BOARD (HANDSET_RF PART)
Panasonic KX-TG2448BXF Service Manual Manual pdf 89 page image
33 CIRCUIT BOARD (BASE UNIT_MAIN)33.1. Component ViewREDINUSECHGKSAKI12APVCCIC501IC901FL901RA901X501C341L300C306Q142Q141Q156R156R163Q371Q171Q111Q372Q373R361C361C305C384C308C383C381R301C304R308R303R304R305R365R364C303R340R341R343R522R523R521C521C509 C508 R509R524C525R525C522C551C524R362Q340R131R136R132R133R114R137R679R151R141C141R142R160R161R164R167C173C172C174C178C177C175C182C171C179C181C352C505C472C471C685R592C612R612R611C611C680C503R680R533R5911111428151485135448558413031501008180 51R671R670R669J600J601R594R593R668 C687C686R474R473C504R171R172R178R175R176R185R184C184C185R183R134 C183R168C160C163 R162R165KEYS_CKIN1KEYS_AKEYS_BKEYS_DKIN3KIN2132R166R157C162R143C132Q161L371L361C102C101C373C371 R377R374R372R371R373R363R375D300R300C307C332C331R675R677C677C679C663C664C666C668C669C670C665R601C601C603C455C453R453R459C459R460C456R454C457C458C454C667C660C672C671C421C675YGNDJS JCJO JIGRBR421 RSTPDNC423R423C422 R422C342R602FCSTXORSSIFSI FSOFRSTUGRDYMIPMININT0INT1UVCCFCLKL401L402C166C165C167C142R145C120C377C365C347R342C161D361D131D113C112R112C111R111R121C121R122C122C113R113D142D472SPN SPPAD471D133C514C516C511C515R517 C517C513C512C176C518L501C501RA501RA500D373D301C301D362 D371Q131Q362Q521Q361Q300SHIELDCN661L101D101C382C300L102SA101SA104P101CN301CN101SA103SA102IC601IC611IC331IC381IC300MICPbFKX-TG2448/2459/2499 PQUP11366ZKX-TG2448 CIRCUIT BOARD (Base Unit_Main (Component View))DAnalogVccCE341ASP VccDigital VccVccRESETDCVBATTRSSI5INT_1(IC501 pin 100)BLED Vcc2AC_Down BCK(13.824MHz)KX-TG2448BXF / KX-TG2448BXS / KX-TGA254BXF / KX-TGA254BXS89
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This manual is suitable for:
KX-TG2448BXFKX-TG2448BXSKX-TGA254BXFKX-TGA254BXS
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