SM 04L41B01-01E

Important Notice to the User

• This manual contains information for servicing YOKOGAWA’s DX1000, DX1000N, and

DX2000. Check the serial number to conrm that this is the correct service manual for

the instrument to be serviced. Do not use the wrong manual.

•

Before any maintenance and servicing, read all safety precautions carefully.

• Only properly trained personnel may carry out the maintenanc

e and servicing

described in this service manual.

• Do not disassemble the instrument or its parts, unless otherwise clearly permitted by

this service manual.

• Do n

ot replace any part or assembly, unless otherwise clearly permitted by this service

manual.

• In principle, Yokogawa Electric Corporation (YOKOGAW

A) does not supply parts

other than those listed in the customer maintenance parts list in this service manual

(mainly modules and assemblies). Therefore if an assembly fails, the user should

replace the whole assembly and not components within the assembly (see “Note”). If

the user attempts to repair the instrument by replacing individual components within

the assembly, YOKOGAWA assumes no responsibility for any consequences such as

defects in instrument accuracy, functionality, reliability, or user safety hazards.

•

YOKOGAWA does not of

fer more detailed maintenance and service information than

that contained in this service manual.

• All reasonable efforts have been made to assure the accuracy of the content of

this service manual. However, there may still be errors such as clerical errors or

omissions.

YOKOGAWA assumes no responsibility of any kind concerning the

accuracy or contents of this service manual, nor for the consequences of any errors.

•

or by any means without the express written prior permission of YOKOGAW

A. The

contents of this manual are subject to change without notice.

Note

YOKOGAWA instruments have been designed in a way that the replacement of electronic parts

can be done on an assembly (module) basis by the user. YOKOGAWA instruments have also

been designed in a way that troubleshooting and replacement of any faulty assembly can be

done easily and quickly. Therefore, YOKOGAWA strongly recommends replacing the entire

assembly over replacing parts or components within the assembly. The reasons are as follows:

• The instruments use high-performance microprocessors, large scale CMOS gate arrays,

and surface-mount components to provide state-of-the-art performance and functions.

• Repair of components can only be performed by specially trained and qualified maintenance

personnel with special highly-accurate tools, including costly ones.

• When taking the service life and cost of the instruments into consideration, the replacement

of assemblies offers the user the possibility to use YOKOGAWA instruments more effectively

and economically with a minimum in downtime.

Trademark

• Adobe, Acrobat, and PostScript are trademarks of Adobe System Incorporated.

• For purposes of this manual, the ™ and ® symbols do not accompany their respective

trademark names or registered trademark names.

• Company and product names that appear in this manual are trademarks or registered

trademarks of their respective holders.

Revisions

1st Edition: Apr. 2006 2nd Edition: May 2007 3rd Edition: Mar. 2009

4th Edition: Jun. 2010

4th Edition: June 2010 (YK)