Motorola T193, Service Manual

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2 July 27, 2001 6881038B70
Introduction Product Family C21
Computer Program Copyrights
The Motorola products described in this manual may include Motorola computer
programs stored in semiconductor memories or other media that are copyrighted
with all rights reserved worldwide to Motorola. Laws in the United States and other
countries preserve for Motorola, Inc. certain exclusive rights to the copyrighted
computer programs, including the exclusive right to copy, reproduce, modify,
decompile, disassemble, and reverse-engineer the Motorola computer programs in
any manner or form without Motorola's prior written consent. Furthermore, the
purchase of Motorola products shall not be deemed to grant either directly or by
implication, estoppel, or otherwise, any license or rights under the copyrights,
patents, or patent applications of Motorola, except for a nonexclusive license to use
the Motorola product and the Motorola computer programs with the Motorola
product.
About This Service Manual
Using this service manual and the suggestions contained in it assures proper
installation, operation, and maintenance of PF B95 and C21 telephones. Refer
questions about this manual to the nearest Customer Service Manager.
A product family is the group of products having the same Account Product Code
(APC). To locate the APC on a device, refer to “Mechanical Serial Number (MSN)”
later in this manual.
Audience
This document aids service personnel in testing and repairing PF B95 and C21
telephones. Service personnel should be familiar with electronic assembly, testing,
and troubleshooting methods, and with the operation and use of associated test
equipment.
Use of this document assures proper installation, operation, and maintenance of
Motorola products and equipment. It contains all service information required for
the equipment described and is current as of the printing date.
Scope
The scope of this document is to provide the reader with basic information relating
to PF B95 and C21 telephones, and also to provide procedures and processes for
repairing the units at Level 1 and 2 service centers including:
• Unit swap out
• Repairing of mechanical faults
• Basic modular troubleshooting
• Testing and verification of unit functionality
• Initiate warranty claims and send faulty modules to Level 3 or 4 repair
centers.
6881038B70
B95 and C21
1 and 2