Anritsu MD8480A User manual
i
Third Edition
MD8480A/B
W-CDMA Signalling Tester
Service Manual
ANRITSU CORPORATION
Document No.: M-W1748BE-3.0
To ensure that the equipment is used safely, read
the "For Safety" in the MD8480A/B W-CDMA Sig-
nalling Tester Service Manual first.
Keep this manual with the equipment.
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 following five symbols may not be used on all Anritsu equipment. In addition, there may be other
labels attached to products which are not shown in the diagrams in this manual.
Symbols used in manual
DANGER
WARNING
CAUTION
Safety Symbols Used on Equipment and in Manual
The following safety symbols are used inside or on the equipment near operation locations 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 indi-
cated 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.
MD8480A/B
W-CDMA Signalling Tester
Service Manual
20 April 2001 (First Edition)
16 December 2002 (Third Edition)
Copyright © 2001-2002, 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 serious injury or
death if not performed properly.
This indicates a hazardous procedure that could result in serious injury or death 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
DANGER
NEVER touch parts where the label shown on the left is attached. Such
parts have high voltages of at least 1 kV and there is a risk of receiving a
fatal electric shock.
WARNING
1. ALWAYS refer to the operation manual when working near locations at
which the alert mark shown on the left is attached. If the operation, etc.,
is performed without heeding the advice in the operation manual, there
is a risk of personal injury. In addition, the equipment performance may
be reduced.
Moreover, this alert mark is sometimes used with other marks and de-
scriptions indicating other dangers.
2. Laser radiation warning
• NEVER look directly into the cable connector on the equipment nor
into the end of a cable connected to the equipment. If laser radiation
enters the eye, there is a risk of injury.
• Laser Radiation Markings on a following page show the Laser Safety
label attached to the equipment near the cable connector.
3. When supplying power to this equipment, connect the accessory 3-pin
power cord to a 3-pin grounded power outlet. If a grounded 3-pin outlet
is not available, before supplying power to the equipment, use a conver-
sion adapter and ground the green wire, or connect the frame ground on
the rear panel of the equipment to ground. If power is supplied without
grounding the equipment, there is a risk of receiving a severe or fatal
electric shock.
4. This equipment cannot be repaired by the user. DO NOT attempt to
open the cabinet or to disassemble internal parts. Only Anritsu-trained
service personnel or staff from your sales representative with a knowl-
edge of electrical fire and shock hazards should service this equipment.
There are high-voltage parts in this equipment presenting a risk of se-
vere injury or fatal electric shock to untrained personnel. In addition,
there is a risk of damage to precision parts.
HIGH VOLTAGE/高電圧
DANGER/感電警告
or
Repair
WARNING
iv
Trademark
Windows is a registered trademark of Microsoft Corporation.
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.
I
About This Manual
This is the service manual of the MD8480A/B W-CDMA Signalling Tester for smooth
maintenance and service work of the service personnel, and is not supplied to custom-
ers. Only used for service personnel.
Refer to the separate operation manual (an accessory supplied to the equipment) for
handling the instruments.
Our basic policy to the repair is return to the factory system, i.e. the defective instru-
ment should be returned to Anritsu for repair.
However, it may be time consuming and some kinds of repairs can be easily done in the
field.
Therefore, Anritsu allows only those whom Anritsu has authorized to open the instru-
ment and repair it.
As clearly stated in the WARRANTY statement in the separate operation manual, any
unauthorized modification, repair, or attempt to repair will render the warranty void.
About the name of software
The structure of the standard software for W-CDMA Signalling Tester is shown below.
The names of software referred in this manual are listed as "names in this manual."
Structure of standard software Names in
Model Number
Product Name this manual
MX848000A
W-CDMA Signalling Tester Control Software MX848000A_***
MX848001A
W-CDMA Signalling Tester Firmware
MD8480A_***
MX848002A
W-CDMA Signalling Tester FPGA
FPGA_***
MX848003A
W-CDMA Signalling Tester ISDN/PPP
ISDN_***
***indicates the version
Confirmation of software version
Confirm the software version when the acceptance inspection.
Before returning the software to the customer, confirm if the customer wants the latest
version of the software or the version at the time of the acceptance inspection.
II
Table of Contents
For Safety ...................................................... iii
About This Manual........................................ I
Section 1 Block Diagram ............................. 1-1
1.1 Exchange Module List .................................................... 1-2
1.2 Signal Flow ..................................................................... 1-3
1.3 Explanation of Each Block .............................................. 1-5
Section 2 Level Diagram ............................. 2-1
Section 3 Performance Test Software ....... 3-1
3.1 Installation Conditions ..................................................... 3-2
3.2 Download of the Software ............................................... 3-2
3.3 Installation Procedure ..................................................... 3-2
3.4 Operation Check ............................................................. 3-3
3.5 Installation File/Folder Descreption ................................ 3-4
3.6 Upgrading MX848002A FPGA ........................................ 3-5
3.7 Upgrading MX848001A Firmware .................................. 3-6
3.8 Upgrading MX848000A .................................................. 3-6
Section 4 Download ..................................... 4-1
4.1 Download the FPGA DATA ............................................ 4-2
4.2 Download the ISDN ........................................................ 4-4
4.3 Download Firmware ........................................................ 4-6
Section 5 Troubleshooting.......................... 5-1
5.1 LED after Power on ........................................................ 5-2
5.2 Detection Faulty Block .................................................... 5-3
5.3 How to Excheange Modules ........................................... 5-6
III
1
2
3
4
5
6
7
8
9
10
11
12
Appendix
Section 6 Unit Function Check ................... 6-1
6.1 Preparation ..................................................................... 6-2
6.2 Coder/Decoder Function ................................................. 6-3
6.3 Voice Codec Function ..................................................... 6-6
6.4 ISDN Function ................................................................ 6-8
Section 7 Total Adjustment......................... 7-1
7.1 Adjustment of an A14 RX RF/IF Unit .............................. 7-2
7.2 Adjustment of IQ signal Timing Generator ...................... 7-12
Section 8 Correction Software.................... 8-1
8.1 Outline ............................................................................ 8-2
8.2 Set up ............................................................................. 8-2
8.3 Test Proceduse ............................................................... 8-3
Section 9 Performance Test........................ 9-1
9.1 Vector Error .................................................................... 9-2
9.2 VSWR ............................................................................. 9-6
Section 10 Check of Function..................... 10-1
10.1 Self-diagnosis (DPCH) .................................................... 10-2
10.2 Self-diagnical (PRACH) .................................................. 10-6
Section 11 Mechanical................................. 11-1
Section 12 Service Kit ................................. 12-1
Appendix A Procedure for writing into
CPU board ............................... A-1
IV.
1-1
Block Diagram
1
1.1 Exchange Module List .............................................. 1-2
1.2 Signal Flow ............................................................... 1-3
1.2.1 MD8480A/B ................................................... 1-3
1.2.2 MD8480A/B-01 .............................................. 1-4
1.3 Explanation of Each Block ........................................ 1-5
Fig.1-1 Overall block diagram .......................................... 1-7
Fig.1-2 Overall circuit diagram ......................................... 1-8
Fig.1-3 Overall block diagram .......................................... 1-9
Fig.1-4 Overall circuit diagram ......................................... 1-10
Section 1 Block Diagram
Section 1 Block Diagram
1-2
1.1 Exchange Module List
No. Model Name Mfg. No.
Remarks
1 MU848051A A01 CPU 34Y125466
2 MU848052A A02/A0201 Frame DECODER 34Y124184
3 MU848053A A03/A0301 RX BASEBAND 34Y124779
4 A0010 A04 Blank Board 34Y124442
5 MU848055A A05 ISDN 34Y125467 Option
6 MU848056A A02/A0203 Voice CODEC 34Y124194
7 MU848057A A02/A0204 Frame CODER 34Y124444
8 MU848058A A06/A0601 TX BASEBAND 34Y124780
9 MU848059A A07 Timing Generator 34Y124781
10 MM800072A A11 Connect 34Y124202
11 MM800073A A13 SG 34Y124196
12 MM800074A A14 RX RF/IF 34Y124198
13 34Y110740 A15 Reference 34Y110740
14 MM800075A A17 DC/DC 34Y124670
15 HPS-2H(10) Z1 Power Divider No 1305
16 STB-006 Z4 Power Noise Filter 34Z112489
17 ARZ220D05B01 Z5 Relay 34Z124869
18
650-CPCI14RA-BR
Z6 Back Plane No 7265
19 MA4000243A Z7 Power Supply No 1397
20 ARZ220N05B01 Z11, Z12 Relay No 1318
21
AT-106
Z13, Z14 Attenuator No 1305
22 HPS-2C Z8,9,10 Power Divider No 1305
Option
MD8480A-01
Option
MD8480A-01
Option
MD8480A-01
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1
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