Panasonic KX-DT546-B Manuals

Manuals and User Guides for Panasonic KX-DT546-B. We have 1 Panasonic KX-DT546-B manual available for free PDF download: Service Manual

Panasonic KX-DT546-B Service Manual

Panasonic KX-DT546-B Service Manual (74 pages)

Digital Proprietary Telephone

Brand: Panasonic | Category: Telephone | Size: 5.74 MB

Table of Contents

Table of Contents
2
1 Safety Precautions

3
- For Service Technicians
  3
2 Warning

4
- About Lead Free Solder (Pbf: Pb Free)
  4
  - Suggested Pbf Solder
    4
  - Discarding of P. C. Board
    4
3 Specifications

5
4 Technical Descriptions

6
- Block Diagram
  6
- Circuit Operations
  7
  - LCD Circuit
    7
  - Reset Circuit
    7
  - Data Communication
    8
  - DXDP Communication
    9
  - Analog Circuit
    10
  - Asic (Ic300)
    11
  - Asic (Ic150)
    12
  - Key Circuit
    13
  - LED Circuit
    14
  - EHS Circuit
    15
  - Power Supply Circuit
    16
5 Location of Controls and Components

17
- Name and Locations
  17
6 Installation Instructions

18
- Connections
  18
7 Test Mode

19
- Function Test Mode
  19
  - Preparation
    19
  - Keys and Leds Test
    19
8 Troubleshooting Guide

20
- No Operation
  20
- ASIC1(IC300) Does Not Operate
  26
- LCD Does Not Operate
  27
- DXDP Does Not Work
  28
- Audio Problem
  29
- Handset Does Not Work
  29
  - Receive
    29
  - Send
    30
  - Headset Does Not Work
    31
    
    Receive
    31
    
    Send
    32
  - Speaker-Phone/Ringer Does Not Work
    33
    
    Receive / Ringer
    33
    
    Send
    33
  - LED Does Not Light
    34
- EHS Does Not Work
  35
  - EHS (Plantronics) Does Not Work
    35
  - EHS (Jabra) Does Not Work
    36
9 Disassembly and Assembly Instructions

37
10 Miscellaneous

41
- Terminal Guide of the Ics Transistors and Diodes
  41
  - Main Board
    41
  - Operation Board
    41
- How to Replace a Flat Package IC
  42
  - Preparation
    42
  - Removal Procedure
    42
  - Procedure
    42
  - Removing Solder from between Pins
    42
  - Memo
    43
Schematic Diagram

44
- Main No.1
  44
- Main No.2
  46
- Ope
  48
- Waveform
  50
  - No.(1)-(6)
    50
  - No.(7)-(10)
    51
  - No.(11)-(12)
    52
  - No.(13)-(15)
    53
  - No.(16)-(17)
    54
  - No.(18)-(21)
    55
  - Memo
    56
Printed Circuit Board

57
- Main Board
  57
  - Component View
    57
  - Bottom View
    58
- Operation Board
  59
  - Component View
    59
  - MIC Board Component View
    60
Appendix Information of Schematic Diagram

61
Exploded View and Replacement Parts List

62
- IC Data
  62
  - Ic410
    62
  - Ic300
    65
  - Ic150
    66
- Cabinet and Electric Parts
  67
- Accessories and Packing Materials
  68
- Replacement Parts List
  69
  - Cabinet and Electrical Parts
    69
  - Accessories and Packing Materials
    70
  - Main Board Parts
    70
  - Ope Board Parts
    72

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