Panasonic KX-TGA254BXF Manuals

Manuals and User Guides for Panasonic KX-TGA254BXF. We have 1 Panasonic KX-TGA254BXF manual available for free PDF download: Service Manual

Panasonic KX-TGA254BXF Service Manual (98 pages)

2.4GHz Digital Cordless Telephone

Brand: Panasonic | Category: Cordless Telephone | Size: 2.31 MB

Table of Contents
2
1 ABOUT LEAD FREE SOLDER (Pbf: Pb Free)

4
- Suggested Pbf Solder
  4
- How to Recognize that Pb Free Solder Is Used
  5
2 For Service Technicians

5
3 Caution

5
4 Operating Instructions

6
- Battery
  6
  - Battery Strength
    7
  - Battery Replacement
    7
  - Battery Performance
    7
- Location of Controls
  8
- Display
  9
- Settings
  10
- Guide to Handset Programming
  11
- Troubleshooting
  14
5 Disassembly Instructions

17
- Base Unit
  17
- Handset
  18
6 How to Replace the Handset Lcd

19
7 Troubleshooting Guide

20
- Check Power
  21
- Check Battery Charge
  22
- Check Link
  23
- Check the RF Part
  24
- Check Handset Transmission
  30
- Check Handset Reception
  30
- Check Caller ID
  30
8 Adjustment and Test Mode

31
9 Description

44
10 Explanation of Link Data Communication

47
- Calling
  47
- To Terminate Communication
  47
- Ringing
  47
11 Block Diagram (Base Unit_Main)

48
12 Block Diagram (Base Unit_Rf Part)

49
13 Circuit Operation (Base Unit_Main)

50
14 Block Diagram (Handset_Main)

58
15 Block Diagram (Handset_Rf Part)

59
16 Circuit Operation (Handset)

60
- Construction
  60
- Power Supply Circuit
  61
- Charge Circuit
  62
- Ringer and Handset SP-Phone
  62
- Sending Signal
  63
- Reception Signal
  63
- Ghz Mod/Demod Circuit (Handset RF Part)
  64
17 Signal Route

65
18 Cpu Data (Base Unit)

66
- Ic501
  66
19 Cpu Data (Handset)

67
- Ic201
  67
20 Explanation of IC Terminals (Rf Part)

68
- Ic901
  68
21 How to Replace a Flat Package IC

69
22 Cabinet and Electrical Parts (Base Unit)

71
23 Cabinet and Electrical Parts (Handset)

72
24 Accessories and Packing Materials

73
- Base Unit
  74
26 Replacement Parts List

75
- Handset
  77
- Accessories and Packing Materials
  79
- Fixtures and Tools
  79
27 For Schematic Diagram

81
- Base Unit (Schematic Diagram (Base Unit_Main)
  81
- Handset (Schematic Diagram (Handset_Main)
  81
28 Schematic Diagram (Base Unit_Main)

82
29 Schematic Diagram (Base Unit_Rf Part)

84
30 Schematic Diagram (Base Unit_Operation)

85
Schematic Diagram (Handset_Main)

86
Schematic Diagram (Handset_Rf Part)

88
- Component View
  89
33 Circuit Board (Base Unit_Main)

89
- Flow Solder Side View
  90
75 33.2.Flow Solder Side View

91
34 Circuit Board (Base Unit_Operation)

91
- Flow Solder Side View
  92
35 Circuit Board (Base Unit_Rf Part)

93
- CIRCUIT BOARD Component View
  95
36 Circuit Board (Handset_Main)

95
37 Circuit Board (Handset_Rf Part)

97

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Panasonic KX-TGA254BXF Manuals

Panasonic KX-TGA254BXF Service Manual (98 pages)

Table of Contents

1 ABOUT LEAD FREE SOLDER (Pbf: Pb Free)

2 For Service Technicians

3 Caution

4 Operating Instructions

5 Disassembly Instructions

6 How to Replace the Handset Lcd

7 Troubleshooting Guide

8 Adjustment and Test Mode

9 Description

10 Explanation of Link Data Communication

11 Block Diagram (Base Unit_Main)

12 Block Diagram (Base Unit_Rf Part)

13 Circuit Operation (Base Unit_Main)

14 Block Diagram (Handset_Main)

15 Block Diagram (Handset_Rf Part)

16 Circuit Operation (Handset)

17 Signal Route

18 Cpu Data (Base Unit)

19 Cpu Data (Handset)

20 Explanation of IC Terminals (Rf Part)

21 How to Replace a Flat Package IC

22 Cabinet and Electrical Parts (Base Unit)

23 Cabinet and Electrical Parts (Handset)

24 Accessories and Packing Materials

26 Replacement Parts List

27 For Schematic Diagram

28 Schematic Diagram (Base Unit_Main)

29 Schematic Diagram (Base Unit_Rf Part)

30 Schematic Diagram (Base Unit_Operation)

Schematic Diagram (Handset_Main)

Schematic Diagram (Handset_Rf Part)

33 Circuit Board (Base Unit_Main)

75 33.2.Flow Solder Side View

34 Circuit Board (Base Unit_Operation)

35 Circuit Board (Base Unit_Rf Part)

36 Circuit Board (Handset_Main)

37 Circuit Board (Handset_Rf Part)

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