Panasonic KX-A144EXT Service Manual

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Table Of Contents

Table of Contents

Table of Contents
1 ABOUT LEAD FREE SOLDER (Pbf: Pb Free)
- Suggested Pbf Solder
- How to Recognize that Pb Free Solder Is Used
2 For Service Technicians
3 Caution
4 Specifications
5 Battery
6 Location of Controls
- Base Unit
- Handset
7 Settings
8 Display
9 Operations
10 Disassembly Instructions
11 Assembly Instructions
- Warning When Constructing the Base Unit
- Processing of Ringer/Charge Terminal Lead
12 Troubleshooting Guide
13 Check Procedure (Base Unit)
- Preparation
- PC Setting
14 Check Procedure (Handset)
- Preparation
- PC Setting
15 Adjustments (Base Unit and Charger Unit)
16 Adjustments (Handset)
- Adjustment (Handset)
- Adjustment Standard (Handset)
17 Rf Specification
- Base Unit
- Handset
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)
- Power Supply Circuit
25 Signal Route
26 Cpu Data (Base Unit)
- Ic2 (Bbic)
27 Cpu Data (Handset)
- Ic1 (Bbic)
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
- Kx-Tcd440Hgs/Hgt
- Kx-A144Exs/Ext
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)
- Component View
- Flow Solder Side View
42 Circuit Board (Handset)

Quick Links

1 Ringer Volume
2 Reset
3 Setting the Time and Date
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Telephone Equipment

KX-TCD440HGS

KX-TCD440HGT

KX-A144EXS-1

KX-A144EXS

KX-A144EXT-1

KX-A144EXT

Digital Cordless Phone

New Silver Version

Titanium Black Version

(for Hungary)

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11ORDER NO. KM40406454C2

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Table of Contents

Troubleshooting

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Panasonic KX-A144EXT Service Manual

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)

Quick Links

Troubleshooting

Need help?

Questions and answers

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Table of Contents