Anritsu MT9810A Manuale utente
Fourth Edition
To ensure that the MT9810A Optical Test Set is
used safety, read the safety information in the
MT9810A Optical Test Set Manual first.
Keep this manual with the Optical Test Set.
MT9810A
Optical Test Set
Service Manual
Measurement Solutions
ANRITSU CORPORATION
Document No.: M-W1482BE-4.0
ii
To prevent the risk of personal injury or loss related to equipment malfunction, Anritsu Corporation uses the following
safety symbols to indicate safety-related information. Insure that you clearly understand the meanings of the
symbols BEFORE using the equipment.
Some or all of the symbols may not be used on this equipment. In addition, when drawings are included in this
manual, labels on the equipment may not be shown on them.
Safety Symbols Used in Manual
DANGER
WARNING
CAUTION
Safety Symbols Used on Equipment and/or in Manual
The following safety symbols are used inside or on the equipment near operation locations, and/or in manual to
provide information about safety items and operation precautions. Insure that you clearly understand the
meanings of the symbols and take the necessary precautions BEFORE using the equipment.
This indicates a prohibited operation. The prohibited operation is indicated
symbolically in or near the barred circle.
This indicates an obligatory safety precaution. The obligatory operation is
indicated symbolically in or near the circle.
This indicates warning or caution. The contents are indicated symbolically
in or near the triangle.
This indicates a note. The contents are described in the box.
These indicate that the marked part should be recycled.
MT9810A
Optical Test Set
Service Manual
1 December 1998 (First Edition)
19 April 2002 (Fourth Edition)
Copyright © 1998-2002, ANRITSU CORPORATION.
All rights reserved. No part of this manual may be reproduced without the prior written permission of
the publisher.
The contents of this manual may be changed without prior notice.
Printed in Japan
This indicates a very dangerous procedure that could result in death or serious
injury if not performed properly.
This indicates a hazardous procedure that could result in death or serious injury
if not performed properly.
This indicates a hazardous procedure or danger that could result in light-to-severe
injury, or loss related to equipment malfunction, if proper precautions are not taken.
Safety Symbols
iii
For Safety
For safety, do not open the equipment covers.
If repair is required, contact the sales representative, branch office, or agent at the
telephone number and address given in this document or in the equipment opera-
tion manual.
Although not recommended by Anritsu Corporation, if it is really imperative to
open the covers for emergency repair, take great care not to touch any dangerous
parts. Always request repair by a trained engineer who understands the hazards.
Anritsu Corporation will not accept liability for any injuries sustained as a result of
opening the equipment covers.
Part Names & Part Numbers
Please specify the part numbers shown in the parts list when making
inquiries or when ordering parts. There may be a difference between
the names of parts used in this manual and the parts actually used in
the equipment or supplied for repair. This is because equivalent
parts with the same functions, performance and reliability as the
parts specified in the circuit diagrams and parts list have been used
or supplied. Since the parts are equivalent, they have absolutely no
adverse effect on the equipment specified functions, performance or
reliability.
iv
WARNING
This equipment uses parts radiating Class 2 or Class 3 laser radia-
tion. The warning labels shown on the next page are attached near
the laser-radiation locations.
The product name and the danger classification specified by
IEC60825-1 and 21CFR1040.10 are explained below.
Type IEC60825-1 21 CFR 1040
MU952501A Class 3A Class III b
MU952502A Class 3A Class III b
MU952503A Class 3A Class III b
MU952504A Class 3A Class III b
MU952505A Class 3A Class III b
MU951301A Class 3A Class III b
MU951501A Class 3A Class III b
MU951001A Class 3A Class III b
MU952601A Class 3A Class III b
MU952602A Class 3A Class III b
MU952603A Class 3A Class III b
MU952604A Class 3A Class III b
MU952605A Class 3A Class III b
MU952606A Class 3A Class III b
MU951302A Class 3A Class III b
MU951502A Class 3A Class III b
MU951002A Class 3A Class III b
MU954501A Class 1 Class I
Class 1, Class 2 and Class 3 indicates the degree of danger of the
laser radiation outlined below as defined by IEC60825-1 and
21CFR1040.10.
Laser Radiation Markings
For Safety
v
For Safety
WARNING
Class 1 Safe laser presenting no danger when used according to
design specifications.
Class 2 Laser radiating in 400 to 700 nm wavelength range. In
principal, this class of laser is not safe, but the danger to
the eyes is eliminated by the eye avoidance reaction in-
cluding the blink response.
Class 3A Laser radiating in 400 to 700 nm wavelength range. The
danger to the eyes is eliminated by the eye avoidance
reaction including the blink response. For lasers radiat-
ing at other wavelengths, the degree of danger to the na-
ked eyes is not greater than Class 1.
Class 3B The eyes will be damaged if direct laser radiation enters
the eyes. Normally there is no danger if the diffused
beam is observed.
vi
For Safety
Laser Radiation Markings
;y
;
;
y
y
;
;
y
y
;;
;;
yy
yy
INVISIBLE LASER RADIATION
CLASS 3A LASER PRODUCT
DO NOT STARE INTO BEAM OR VIEW
DIRECTLY WITH OPTICAL INSTRUMENTS
(MAX) (PULSE DURATION) (WAVELENGTH)
AVOID EXPOSURE
INVISIBLE LASER RADIATION
EMITTED FROM THIS APERTURE
INDENTIFICATION LABEL
ANRITSU CORP.
10-27 MINAMIAZABU 5-CHOME
MINATO-KU, TOKYO, 106, JAPAN
MANUFACTURED AT:ANRITSU CORP.
ATSUGI PLANT. 19
CERTIFICATION LABEL
THIS PRODUCT CONFORMS TO
ALL APPLICABLE STANDARDS
UNDER 21 CFR 1040.10
<IEC> <IEC>
<21 CFR 1040>
<21 CFR 1040>
<21 CFR 1040>
vii
Notes On Export Management
This product and its manuals may require an Export License/Approval by the
Government of the product’s country of origin for re-export from your country.
Before re-exporting the product or manuals, please contact us to confirm whether
they are export-controlled items or not.
When you dispose of export-controlled items, the products/manuals are
needed
to be broken/shredded so as not to be unlawfully used for military purpose.
viii
Power Line Fuse Protection
For safety, Anritsu products have either one or two fuses in the AC power lines as
requested by the customer when ordering.
Single fuse: A fuse is inserted in one of the AC power lines.
Double fuse: A fuse is inserted in each of the AC power lines.
Example 1: An example of the single fuse is shown below:
Fuse Holder
F
U
S
E
Example 2: An example of the double fuse is shown below:
Fuse Holders
F
U
S
E
F
U
S
E
I
About This Manual
This manual is written for service personnel trained by Anritsu Service Training
Course and explains how to service the Anritsu MT9810A Optical Test Set, and
how to troubleshoot faults. It also explains repair by exchanging modules but
does not describe parts-level repair of modules.
Refer to the operation manual (M-W1482AE) for a description of the operation
methods, how to test the performance and for the periodic calibration procedures.
II.
Table of Contents
For Safety ....................................................... iii
Section 1 General ......................................... 1-1
1.1 Introduction ................................................................ 1-2
1.2 Safety Precautions..................................................... 1-2
1.3 Components .............................................................. 1-3
Section 2 Mechanical Configuration........... 2-1
2.1 Introduction ................................................................ 2-2
2.2 Precautions................................................................ 2-2
2.3 Mechanical Parts List................................................. 2-3
2.4 Cabinet Disassembly ................................................. 2-5
Section 3 Troubleshooting .......................... 3-1
3.1 Introduction ................................................................ 3-2
3.2 Recommended Test Equipment ................................ 3-2
3.3 Block Diagram ........................................................... 3-2
3.4 Overall Troubleshooting............................................. 3-5
3.5 Troubleshooting for Main frame................................. 3-17
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