Motorola C257 Manual de serviço - Página 4

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Introduction

Computer Program Copyrights

About This Service Manual

4
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 Introduction 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.
Using this service manual and the suggestions contained in it assures proper installation,
operation, and maintenance of C257/C261 telephones. Refer questions about this manual to the
nearest Customer Service Manager. This manual contains mechanical service information
required for the equipment described and is current as of the printing date.
Audience
This document aids service personnel in testing and repairing C257/C261 telephones Service
personnel should be familiar with electronic assembly, testing, and troubleshooting methods,
and with the operation and use of associated test equipment.
Scope
This manual provides basic information relating to C257/C261 telephones, and also provides
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.
July 1, 2005
C257/C261