Panasonic KX-TGHA20B Manuals

Manuals and User Guides for Panasonic KX-TGHA20B. We have 1 Panasonic KX-TGHA20B manual available for free PDF download: Service Manual

Panasonic KX-TGHA20B Service Manual

Panasonic KX-TGHA20B Service Manual (96 pages)

Digital Cordless Answering System Link-to-Cell Bluetooth Convergence Solution

Brand: Panasonic | Category: Answering Machine | Size: 6.69 MB

Table of Contents

Table of Contents
3
Safety Precautions

5
- For Service Technicians
  5
Warning

5
- Battery Caution
  5
- About Lead Free Solder (Pbf: Pb Free)
  5
  - Suggested Pbf Solder
    6
  - Discarding of P. C. Board
    6
Specifications

7
Technical Descriptions

8
- US-DECT Description
  8
  - TDD Frame Format
    8
  - TDMA System
    8
  - Signal Flowchart in the Radio Parts
    9
  - Block Diagram (Base Unit_Main)
    10
  - Tel Interface Circuit
    11
  - Block Diagram (Base Unit_Rf Part)
    12
  - Circuit Operation (Base Unit)
    13
    
    BBIC (Base Band IC: IC501)
    13
    
    Flash Memory (IC502)
    13
    
    Flash Memory (IC601)
    13
    
    Eeprom (Ic611)
    13
    
    Bluetooth Unit (IC721)
    13
    
    Power Supply Circuit/Reset Circuit
    14
    
    Telephone Line Interface
    16
    
    Parallel Connection Detect Circuit/Auto Disconnect Circuit
    17
    
    Calling Line Identification (Caller ID)/Call Waiting Caller
    18
  - Block Diagram (Handset)
    20
  - Block Diagram (Handset_Rf Part)
    21
  - Circuit Operation (Handset)
    22
    
    Outline
    22
    
    Power Supply Circuit/Reset Circuit
    22
    
    Charge Circuit
    23
    
    Battery Low/Power down Detector
    23
    
    Speakerphone
    23
  - Behavior of Electric Power Failure
    24
- Circuit Operation (Charger Unit)
  24
Location of Controls and Components

25
Installation Instructions

25
Operating Instructions

25
Test Mode

26
- Engineering Mode
  26
  - Base Unit
    26
  - Handset
    28
Service Mode

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

31
- Troubleshooting Flowchart
  31
  - Check Power
    32
  - Check Record
    33
  - Check Playback
    36
  - Check Battery Charge
    36
  - Check Link
    37
  - Check the RF Part
    39
  - Registering a Handset to the Base Unit
    43
  - Deregistering a Handset
    43
  - Check Handset Transmission
    44
- Check Handset Reception
  44
- Check Caller ID
  44
- Check BT Communication
  45
Disassembly and Assembly Instructions

47
- Disassembly Instructions
  47
  - Base Unit
    47
  - Handset
    49
  - Charger Unit
    50
- How to Replace the Handset LCD
  51
Measurements and Adjustments

52
- Equipment Required
  52
- The Setting Method of JIG
  52
  - Connections (Base Unit)
    52
  - Connections (Handset)
    53
  - How to Install Batch File into P.C
    54
  - Commands
    55
- Adjustment Standard (Base Unit)
  56
  - Bottom View
    56
- Adjustment Standard (Handset)
  57
  - Component View
    57
- Things to Do after Replacing IC or X'tal
  58
  - How to Download the Data
    58
- Frequency Table
  60
- Bluetooth Frequency Table
  61
Miscellaneous

62
- How to Replace the LLP (Leadless Leadframe Package) IC
  62
  - Preparation
    62
  - Caution
    62
  - How to Remove the IC
    62
  - How to Install the IC
    63
- How to Replace the Flat Package IC
  64
  - Preparation
    64
  - How to Remove the IC
    64
  - How to Install the IC
    65
  - How to Remove a Solder Bridge
    65
- Terminal Guide of the Ics, Transistors and Diodes
  66
  - Base Unit
    66
  - Handset
    66
Schematic Diagram

67
- For Schematic Diagram
  67
  - Unit_Main))
    67
  - Handset
    67
    
    (Handset_Main))
    67
- Schematic Diagram (Base Unit_Main)
  68
  - Kx-Tgh260
    68
- Schematic Diagram (BT Module)
  70
- Schematic Diagram (Base Unit_Operation)
  72
  - Kx-Tgh260
    72
- Schematic Diagram (Handset_Main)
  74
Printed Circuit Board

77
- Circuit Board (Base Unit_Main)
  77
  - Component View
    77
  - Bottom View
    78
- Circuit Board (Base Unit_Operation)
  79
  - Kx-Tgh260
    79
- Circuit Board (Handset_Main)
  81
  - Component View
    81
  - Bottom View
    82
Exploded View and Replacement Parts List

83
- Cabinet and Electrical Parts (Base Unit)
  83
- Cabinet and Electrical Parts (Handset)
  84
- Cabinet and Electrical Parts (Charger Unit)
  85
- Accessories and Packing Materials
  86
  - Kx-Tgh260B
    86
  - Kx-Tgh262B
    87
  - Kx-Tgh263B
    88
  - Kx-Tgh264B
    89
  - Kx-Tgha20B
    90
- Replacement Parts List
  91
  - Base Unit
    91
  - Handset
    92
  - Charger Unit
    93
  - Accessories and Packing Materials
    94
  - Screws
    94
  - Fixtures and Tools
    94

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