Panasonic KX-TGCA20AZ Manuals

Manuals and User Guides for Panasonic KX-TGCA20AZ. We have 1 Panasonic KX-TGCA20AZ manual available for free PDF download: Service Manual

Panasonic KX-TGCA20AZ Service Manual

Panasonic KX-TGCA20AZ Service Manual (86 pages)

Telephone Equipment. Digital Cordless Answering System

Brand: Panasonic | Category: Cordless Telephone | Size: 7.05 MB

Table of Contents

Table of Contents
3
Safety Precautions

5
- For Service Technicians
  5
Warning

5
Specifications

7
Technical Descriptions

8
- Block Diagram (Base Unit_Main)
  8
- Circuit Operation (Base Unit)
  9
  - Outline
    9
- Block Diagram (Base Unit_Rf Part)
  10
- Circuit Operation (Base Unit)
  11
  - BBIC (Base Band IC: IC501)
    11
  - Flash Memory (IC601)
    11
  - Eeprom (Ic611)
    11
  - Power Supply Circuit/Reset Circuit
    12
  - Telephone Line Interface
    14
- Block Diagram (Handset)
  15
- Circuit Operation (Handset)
  16
  - Outline
    16
  - Power Supply Circuit/Reset Circuit
    16
  - Charge Circuit
    16
  - Battery Low/Power down Detector
    16
  - Speakerphone
    16
- Signal Route
  17
Location of Controls and Components

19
Installation Instructions

19
Operating Instructions

19
- For Service Hint
  19
Test Mode

20
- Engineering Mode
  20
  - Base Unit
    20
  - Handset
    22
- EEPROM LAYOUT (Handset)
  24
  - Scope
    24
  - Introduction
    24
  - EEPROM Contents
    24
- How to Clear User Setting
  25
  - Resetting both Base Unit and Handset
    25
  - Resetting Only Handset
    25
Troubleshooting Guide

26
- Troubleshooting Flowchart
  26
  - Check Power
    27
  - Check Record
    28
  - Check Playback
    29
  - Check Battery Charge
    29
  - Check Link
    30
  - Check the RF Part
    32
  - Registering a Handset to the Base Unit
    36
  - Deregistering a Handset
    36
  - Check Handset Transmission
    37
  - Check Handset Reception
    37
  - Check Caller
    37
  - Bell Reception
    38
  - Check TAM Operation
    38
  - Troubleshooting by Symptom (Base Unit and Charger Unit)
    39
    
    Check Point (Base Unit)
    39
  - Troubleshooting by Symptom (Handset)
    41
    
    Check Point (Handset)
    41
Disassembly and Assembly Instructions

44
- Disassembly Instructions
  44
  - Base Unit
    44
  - Handset
    46
  - Charger Unit
    47
- How to Replace the Handset LCD
  48
Measurements and Adjustments

49
- Equipment Required
  49
- The Setting Method of JIG
  49
  - Connections (Base Unit)
    49
  - How to Install Batch File into P.C
    50
  - Commands
    50
- Adjustment Standard (Base Unit)
  51
  - Bottom View
    51
- The Setting Method of JIG (Handset)
  52
  - Connections
    52
  - How to Install Batch File into P.C
    53
  - Commands
    53
- Adjustment Standard (Handset)
  54
  - Component View
    54
- Things to Do after Replacing IC or X'tal
  55
  - How to Download the Data
    55
- RF Specification
  57
  - Base Unit
    57
  - Handset
    57
- How to Check the Handset Speaker or Receiver
  58
- Frequency Table (Mhz)
  58
Miscellaneous

59
- How to Replace the Flat Package IC
  59
  - Preparation
    59
  - How to Remove the IC
    59
  - How to Install the IC
    60
  - How to Remove a Solder Bridge
    60
- How to Replace the Shield Case
  61
  - Preparation
    61
  - Caution
    61
  - How to Remove the Shield Case
    61
  - How to Install the Shield Case
    62
- Terminal Guide of the Ics, Transistors and Diodes
  63
  - Base Unit
    63
  - Handset
    63
Schematic Diagram

65
- For Schematic Diagram
  65
  - Base Unit (Base Unit (Main))
    65
  - Handset (Handset (Main))
    65
- Base Unit (Main)
  66
  - Kx-Tgc220
    66
- Base Unit (Operation)
  68
- Handset (Main)
  70
Printed Circuit Board

73
- Base Unit (Main)
  73
- Component View
  73
- Bottom View
  74
- Base Unit (Operation)
  75
- Handset
  77
  - Component View
    77
  - Bottom View
    78
Exploded View and Replacement Parts List

79
- Cabinet and Electrical Parts (Base Unit)
  79
  - Kx-Tgc220
    79
- Cabinet and Electrical Parts (Handset)
  80
- Cabinet and Electrical Parts (Charger Unit)
  81
- Accessories
  82
- Replacement Parts List
  83
  - Base Unit
    83
  - Handset
    84
  - Charger Unit
    85
  - Accessories and Packing Materials
    85
  - Screws
    86
  - Fixtures and Tools
    86

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