Panasonic KX-TG6421HGT Manuals

Manuals and User Guides for Panasonic KX-TG6421HGT. We have 1 Panasonic KX-TG6421HGT manual available for free PDF download: Service Manual

Panasonic KX-TG6421HGT Service Manual

Panasonic KX-TG6421HGT Service Manual (105 pages)

Digital Cordless Answering System

Brand: Panasonic | Category: Cordless Telephone | Size: 2.96 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
- Charge Circuit
  12
- Circuit Operation (Handset)
  12
- Circuit Operation (Charger Unit)
  13
- Signal Route
  14
5 Location of Controls and Components

16
- Controls
  16
6 Installation Instructions

17
- Connections
  17
- Battery
  17
7 Operating Instructions

19
- Programmable Settings
  19
- Answering System Setting
  20
- Registering a Handset to a Base Unit
  21
- Deregistering a Handset
  21
- Copying Phonebook Entries
  21
- Dialling Mode
  22
- Error Messages
  22
- Troubleshooting
  23
- For Service Hint
  27
8 Service Mode

28
9 Troubleshooting Guide

35
- Troubleshooting Flowchart
  35
  - Check Power
    36
  - Charger Unit
    37
  - Check Link
    38
  - Check the Rf Part
    42
  - Check Handset Transmission
    45
  - Base Unit
    46
- Troubleshooting by Symptom (Base Unit and Charger Unit)
  47
- Troubleshooting by Symptom (Handset)
  51
10 Disassembly and Assembly Instructions

55
- Disassembly Instructions
  55
- How to Replace the Handset LCD
  59
11 Measurements and Adjustments

60
12 Miscellaneous

71
- CPU Data (Base Unit)
  71
- CPU Data (Handset)
  73
- How to Replace the Flat Package IC
  75
- How to Replace the LLP
  77
  - Package
    77
  - Terminal Guide of the Ics, Transistors and Diodes
    79
13 Schematic Diagram

81
14 Printed Circuit Board

89
- Circuit Board (Base Unit_Main)
  89
- Bottom View
  90
- Circuit Board (Base Unit_Operation)
  91
- Circuit Board (Handset)
  93
- Circuit Board (Charger Unit)
  95
15 Exploded View and Replacement Parts List

96

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