Panasonic KX-A144EXT Cordless Telephone Manuals

Manuals and User Guides for Panasonic KX-A144EXT Cordless Telephone. We have 1 Panasonic KX-A144EXT Cordless Telephone manual available for free PDF download: Service Manual

Panasonic KX-A144EXT Service Manual (93 pages)

Brand: Panasonic | Category: Cordless Telephone | Size: 1.99 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

7
3 Caution

7
4 Specifications

7
5 Battery

8
- Battery Installation
  8
- Battery Charge
  8
- Battery Life
  9
- Battery Replacement
  9
6 Location of Controls

10
- Base Unit
  10
- Handset
  10
7 Settings

11
- Connections
  11
- Ringer Volume
  12
- PIN Code
  13
- Reset
  14
- Key Lock
  15
- R Button to Use the Recall Feature
  15
- Pause Button for PBX Line/Long Distance Service Users
  15
- Setting Call Restriction
  16
- Cancelling a Restricted Number
  16
- Setting Call BAR
  16
- Selecting the Display Language
  17
- Setting Dialling Mode (Tone/Pulse)
  17
- Setting Flash Time
  17
8 Display

18
- Handset Display
  18
- Caller ID Display
  18
- Before Requesting Help (Troubleshooting)
  19
9 Operations

21
- Turning the Power On/Off
  21
- Setting the Time and Date
  21
- Redialling
  21
- Phonebook
  22
- Registering a Handset to a Base Unit
  24
- Selecting a Base Unit
  25
10 Disassembly Instructions

26
- Base Unit
  26
- Handset
  27
- Charger Unit
  28
11 Assembly Instructions

29
- Warning When Constructing the Base Unit
  29
- Processing of Ringer/Charge Terminal Lead
  30
12 Troubleshooting Guide

31
- Check Power
  32
- Check Battery Charge
  33
- Check Link
  34
- Check Handset Transmission
  36
- Check Handset Reception
  36
- Check Caller ID
  36
- Bell Reception
  37
13 Check Procedure (Base Unit)

38
- Preparation
  38
- PC Setting
  38
14 Check Procedure (Handset)

39
- Preparation
  39
- PC Setting
  39
15 Adjustments (Base Unit and Charger Unit)

40
16 Adjustments (Handset)

47
- Adjustment (Handset)
  47
- Adjustment Standard (Handset)
  50
17 Rf Specification

51
- Base Unit
  51
- Handset
  51
18 How to Check the Handset Speaker or Receiver

51
19 FREQUENCY TABLE (Mhz)

52
20 Block Diagram (Base Unit)

53
21 Circuit Operation (Base Unit)

54
- Outline
  54
- Power Supply Circuit
  55
- Telephone Line Interface
  56
- Transmitter/Receiver
  56
- Pulse Dialing
  56
22 Block Diagram (Handset)

57
23 Circuit Operation (Handset)

58
- Outline
  58
- Power Supply Circuit/Reset Circuit
  58
- Charge Circuit
  58
- Battery Low/Power down Detector
  58
- Speakerphone
  58
24 Circuit Operation (Charger Unit)

59
- Power Supply Circuit
  59
25 Signal Route

60
26 Cpu Data (Base Unit)

61
- Ic2 (Bbic)
  61
27 Cpu Data (Handset)

63
- Ic1 (Bbic)
  63
28 Eeprom Layout (Base Unit)

65
- Scope
  65
- Introduction
  65
- EEPROM Layout
  65
29 Eeprom Layout (Handset)

68
- Scope
  68
- Introduction
  68
- EEPROM Contents
  68
30 How to Replace Flat Package IC

71
- Preparation
  71
- Procedure
  71
- Modification Procedure of Bridge
  71
31 Cabinet and Electrical Parts Location (Base Unit)

72
32 Cabinet and Electrical Parts Location (Handset)

73
33 Cabinet and Electrical Parts Location

73
34 Accessories and Packing Materials

75
- Kx-Tcd440Hgs/Hgt
  75
- Kx-A144Exs/Ext
  76
35 TERMINAL GUIDE of the Ics, TRANSISTORS and DIODES

77
- Base Unit
  77
- Handset
  77
- Charger Unit
  77
36 Replacement Parts List

78
- Base Unit
  78
- Handset
  79
- Charger Unit
  80
- Accessories and Packing Materials
  81
- Fixtures and Tools
  81
- Memo
  82
37 For Schematic Diagram

83
38 Schematic Diagram (Base Unit)

84
39 Schematic Diagram (Handset)

86
40 Schematic Diagram (Charger Unit)

88
41 Circuit Board (Base Unit)

89
- Component View
  89
- Flow Solder Side View
  90
42 Circuit Board (Handset)

91

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Panasonic KX-A144EXT Cordless Telephone Manuals

Panasonic KX-A144EXT Service Manual (93 pages)

Table of Contents

1 ABOUT LEAD FREE SOLDER (Pbf: Pb Free)

2 For Service Technicians

3 Caution

4 Specifications

5 Battery

6 Location of Controls

7 Settings

8 Display

9 Operations

10 Disassembly Instructions

11 Assembly Instructions

12 Troubleshooting Guide

13 Check Procedure (Base Unit)

14 Check Procedure (Handset)

15 Adjustments (Base Unit and Charger Unit)

16 Adjustments (Handset)

17 Rf Specification

18 How to Check the Handset Speaker or Receiver

19 FREQUENCY TABLE (Mhz)

20 Block Diagram (Base Unit)

21 Circuit Operation (Base Unit)

22 Block Diagram (Handset)

23 Circuit Operation (Handset)

24 Circuit Operation (Charger Unit)

25 Signal Route

26 Cpu Data (Base Unit)

27 Cpu Data (Handset)

28 Eeprom Layout (Base Unit)

29 Eeprom Layout (Handset)

30 How to Replace Flat Package IC

31 Cabinet and Electrical Parts Location (Base Unit)

32 Cabinet and Electrical Parts Location (Handset)

33 Cabinet and Electrical Parts Location

34 Accessories and Packing Materials

35 TERMINAL GUIDE of the Ics, TRANSISTORS and DIODES

36 Replacement Parts List

37 For Schematic Diagram

38 Schematic Diagram (Base Unit)

39 Schematic Diagram (Handset)

40 Schematic Diagram (Charger Unit)

41 Circuit Board (Base Unit)

42 Circuit Board (Handset)

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