User Manuals: Panasonic KX-TG8421EN Cordless Phone

Manuals and User Guides for Panasonic KX-TG8421EN Cordless Phone. We have 1 Panasonic KX-TG8421EN Cordless Phone manual available for free PDF download: Service Manual

Panasonic KX-TG8421EN Service Manual

Panasonic KX-TG8421EN Service Manual (110 pages)

Digital Cordless Answering System

Brand: Panasonic | Category: Answering Machine | Size: 2.35 MB

Table of Contents

Table of Contents
3
1 Safety Precautions

4
- For Service Technicians
  4
2 Warning

4
3 Specifications

6
4 Technical Descriptions

7
- Block Diagram (Base Unit)
  7
- Circuit Operation (Base Unit)
  8
- Power Supply Circuit
  9
- Block Diagram (Handset)
  11
- Circuit Operation (Handset)
  12
- Circuit Operation (Charger Unit)
  13
- Signal Route
  14
5 Location of Controls and Components

16
- Controls
  16
6 Setting

17
- Connections
  17
- Battery
  17
7 Operating Instructions

19
- Programmable Settings
  19
- Answering System Setting
  20
- Registering a Handset to a Base Unit
  22
- Copying Phonebook Entries
  23
- Error Messages
  23
- Troubleshooting
  24
- For Service Hint
  28
8 Service Mode

29
9 Troubleshooting Guide

36
- Troubleshooting Flowchart
  36
  - Check Power
    37
  - Base Unit
    38
  - Charger Unit
    38
  - Check Link
    39
  - Check the Rf Part
    43
  - Check Handset Transmission
    46
- Troubleshooting by Symptom (Base Unit and Charger Unit)
  48
- Troubleshooting by Symptom (Handset)
  52
10 Disassembly and Assembly Instructions

56
- Disassembly Instructions
  56
- How to Replace the Handset LCD
  60
11 Measurements and Adjustments

61
12 Miscellaneous

72
13 Schematic Diagram

82

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