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Telephone Equipment
KX-TS550MEB
KX-TS550MEW
Integrated Telephone System
Black Version
White Version
(for Mexico)
© 2007 Panasonic Communications Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. KM40706334CE
Unauthorized
copying
and

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Table of Contents
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Summarization of Contents

Specifications
Power Source
Details the power source required for the telephone.
Dimensions (H x W x D)
Provides the physical dimensions of the telephone unit.
Mass (Weight)
Specifies the weight of the telephone.
Dialing Mode
Indicates the supported dialing modes (Tone/Pulse).
Operating Environment
Defines the operational temperature and humidity range.
About Lead Free Solder (PbF: Pb free)
1.1. Suggested PbF Solder
Recommends specific types and sizes of lead-free solder.
Settings
5.1. Connection
Details the steps for connecting the telephone to the line.
Operations
6.1. Making Calls
Instructions on how to make phone calls.
6.2. Answering Calls
Instructions on how to answer incoming calls.
Special Features
7.1. For Call Waiting Service Users
Explains how to handle call waiting.
7.2. Temporary Tone Dialing (For Rotary or Pulse Service Users)
Describes using tone dialing with pulse dialing systems.
Trouble Shooting Guide
9.1. Service Hints
Provides general tips for troubleshooting.
9.2. Pulse Dialing Problems
Guides on diagnosing issues with pulse dialing.
9.3. Problems With the Handset
Troubleshooting steps for issues related to the handset.
9.4. Tone Dialing Problems
Diagnosing and resolving problems with tone dialing.
9.5. Problems With Ringer
Steps to troubleshoot issues with the telephone's ringer.
9.6. How to Check the IC1 (Scanning to the key)
Procedure for testing IC1 for key scanning functionality.
Circuit Operations
12.1. Telephone Line Interface and Pulse Dial Circuit
Explains the circuit for line interface and pulse dialing.
12.2. Tone Dial Circuit
Details the circuit responsible for tone dialing functionality.
12.3. Power Circuit and Redial Back-up Circuit
Describes the power supply and redial backup circuits.
Replacement Parts List
17.1. RTL (Retention Time Limited)
Explains the meaning of RTL marking for parts.
17.1. Base Unit
Lists replacement parts for the main unit.
17.1.2. Main P.C.Boards Parts
Lists replacement parts for the main printed circuit boards.
17.2. Accessories And Packing Materials
Lists accessories and packing materials.
17.3. Screw
Lists types of screws used in the product.
Schematic Diagram
19.1. Memo
Placeholder for notes regarding the schematic diagram.
Circuit Board
20.1. Main (Component View)
Shows the component layout of the main circuit board.
20.2. Main (Flow Solder Side View)
Displays the solder side of the main circuit board.
20.3. Operation (Flow Solder Side View)
Illustrates the solder side view of the operation circuit board.

Table of Contents