User Manuals: Panasonic KX-TG4021LAT Phone Accessory

Manuals and User Guides for Panasonic KX-TG4021LAT Phone Accessory. We have 1 Panasonic KX-TG4021LAT Phone Accessory manual available for free PDF download: Service Manual

Panasonic KX-TG4021LAT Service Manual

Panasonic KX-TG4021LAT Service Manual (87 pages)

Telephone Accessories

Brand: Panasonic | Category: Telephone Accessories | Size: 2.49 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
- US-DECT Description
  7
- Signal Flowchart in the Radio Parts
  8
- Block Diagram (Base Unit_Main)
  9
- Block Diagram (Base Unit_Rf Part)
  10
- Circuit Operation (Base Unit)
  11
  - Charge Circuit
    13
  - Telephone Line Interface
    14
- Block Diagram (Handset)
  18
- Block Diagram (Handset_Rf Part)
  19
- Circuit Operation (Handset)
  20
- Circuit Operation (Charger Unit)
  22
- Signal Route
  23
5 Location of Controls and Components

25
6 Installation Instructions

25
7 Operating Instructions

25
8 Test Mode

26
- Engineering Mode
  26
9 Service Mode

30
- How to Clear User Setting (Handset Only)
  30
10 Troubleshooting Guide

31
- Troubleshooting Flowchart
  31
  - Check Power
    32
  - Base Unit
    33
  - Check Battery Charge
    34
  - Check Link
    35
  - Check the Rf Part
    37
  - Check Handset Transmission
    42
  - Check Handset Reception
    42
11 Disassembly and Assembly Instructions

43
- Disassembly Instructions
  43
- How to Replace the Handset LCD
  47
12 Measurements and Adjustments

48
13 Miscellaneous

57
14 Schematic Diagram

64
15 Printed Circuit Board

73
16 Exploded View and Replacement Parts List

80

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