Tektronix RTX100B User manual

Service Manual

RTX100B

ISDB-T RF Signal Generator

071-1932-03

Warning

The servicing instructions are for use by qualified

personnel only. To avoid personal injury, do not

perform any servicing unless you are qualified to

do so. Refer to all safety summaries prior to

performing service.

www.tektronix.com

suppliers, and are protected by national copyright laws and international treaty provisions.

Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes

that in all previously published material. Specifications and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

Contacting Tektronix

Tektronix, Inc.

14200 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

HIn North America, call 1-800-833-9200.

HWorldwide, visit www.tektronix.com to find contacts in your area.

Warranty 2

Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year

from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either

will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the

defective product. Batteries are excluded from this warranty. Parts, modules and replacement products used by Tektronix

for warranty work may be new or reconditioned to like new performance. All replaced parts, modules and products become

the property of Tektronix.

In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the

warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for

packaging and shipping the defective product to the service center designated by Tektronix, shipping charges prepaid, and

with a copy of customer proof of purchase. Tektronix shall pay for the return of the product to Customer if the shipment is

to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying

all shipping charges, duties, taxes, and any other charges for products returned to any other locations

This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate

maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting

from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair

damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction

caused by the use of non--Tektronix supplies; or d) to service a product that has been modified or integrated with other

products when the effect of such modification or integration increases the time or difficulty of servicing the product.

THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY

OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY

IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

TEKTRONIXٛF RESPONSIBILITY TO REPAIR OR

REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE

CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE

FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF

WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH

DAMAGES

RTX100B ISDB-T RF Signal Generator Service Manual i

Table of Contents

General Safety Summary vii...................................

Service Safety Summary ix....................................

Environmental Considerations xi...............................

Preface xiii...................................................

Manual Structure xiii................................................

Manual Conventions xiv..............................................

Finding Other Information xiv.........................................

Introduction xv..............................................

Performance Check Interval xv........................................

Strategy for Servicing xv.............................................

Tektronix Service Offerings xvi........................................

Specifications

Product Overview 1-1.........................................

Specifications 1-3.............................................

Software Protection 1-3..............................................

Performance Conditions 1-3...........................................

Functional Specifications 1-4..........................................

Electrical Specifications 1-4...........................................

Mechanical (Physical) Characteristics 1-12................................

Environmental Characteristics 1-12......................................

Certifications and Compliances 1-13.....................................

Theory of Operation

A12 Main Board 2-1.................................................

A20 PCI Backplane Board 2-3.........................................

A150 ISDB-T RF Output Board 2-4.....................................

Front-Panel Processor Board 2-5.......................................

Keypad Board 2-5...................................................

A40 AC Distributor Board 2-5.........................................

Performance Verification

Connecting to a Network 3-1..........................................

Equipment Required 3-6..............................................

RTX100B Test Record 3-7............................................

Procedures 3-8......................................................

Adjustment Procedures

Requirement for Adjustment 4-1.......................................

Equipment Required 4-1..............................................

Carrier Leakage Adjustment 4-2.......................................

Table of Contents

ii RTX100B ISDB-T RF Signal Generator Service Manual

Maintenance

Related Maintenance Procedures 5-1....................................

Preparation 5-2.....................................................

Inspection and Cleaning 5-3...........................................

Removal and Installation Procedures 5-7.........................

Preparation 5-7.....................................................

Access Procedure 5-14................................................

Procedures for External Modules 5-15...................................

Procedure for Board Modules 5-21......................................

Procedure for Internal Modules 5-26.....................................

Verifying the BIOS Configuration 5-33...........................

Procedure 5-33......................................................

Troubleshooting 5-35...........................................

Troubleshooting Trees 5-35............................................

System Software Recovery 5-45..................................

Recovery Procedure 5-45..............................................

Using the Rescue Disk 5-47......................................

Recovery Procedure 5-47..............................................

Options

Diagrams

Replaceable Parts List

Parts Ordering Information 8-1.........................................

Using the Replaceable Parts List 8-3....................................

Table of Contents

RTX100B ISDB-T RF Signal Generator Service Manual iii

List of Figures

Figure 1-1: Timing diagram of the SPI interface 1-11................

Figure 3-1: Pin connections for a crossover Ethernet cable 3-1.......

Figure 3-2: Network Connections window 3-2.....................

Figure 3-3: Local Area Connection Status dialog box 3-3............

Figure 3-4: Local Area Connection Properties dialog box 3-3........

Figure 3-5: Internet Protocol (TCP/IP) Properties dialog box 3-4.....

Figure 3-6: Equipment connection for checking the internal clock

output level 3-9............................................

Figure 3-7: Equipment connection for checking the internal clock

frequency 3-10.............................................

Figure 3-8: Equipment connection for checking the play

operation--SPI interface 3-11.................................

Figure 3-9: Equipment connections for checking the external

clock/reference and trigger inputs 3-15.........................

Figure 3-10: Equipment connection for checking the output

signal--ASI interface 3-18....................................

Figure 3-11: Equipment connections for checking the play

operation--ASI interface 3-20.................................

Figure 3-12: Equipment connection for checking the record

operation--ASI interface 3-21.................................

Figure 3-13: Equipment connection for checking the recorded

file--ASI interface 3-23.......................................

Figure 3-14: Fifth equipment connection for checking the ASI

interface 3-24..............................................

Figure 3-15: Equipment connection for checking the carrier leakage 3-26

Figure 3-16: Equipment connection for checking the output level

and error 3-29.............................................

Figure 3-17: Equipment connection for checking the IEEE1394b

interface 3-31..............................................

Figure 3-18: Equipment setup for Option GbE performance

verification 3-37............................................

Figure 3-19: IP Playout Configuration dialog box 3-39...............

Figure 3-20: RTX100B MPEG Player display with 40.000000 Mbps 3-40

Figure 3-21: Open Transport Stream dialog box 3-41................

Figure 3-22: Selecting the IP interface 3-42.........................

Figure 3-23: Interface settings 3-43...............................

Table of Contents

iv RTX100B ISDB-T RF Signal Generator Service Manual

Figure 3-24: IP Flow selection 3-44...............................

Figure 3-25: MTS400 Series TS Compliance Analyzer display 3-45....

Figure 3-26: Clock dialog box 3-46................................

Figure 3-27: RTX100B MPEG Player display with maximum

bit rate 3-47...............................................

Figure 3-28: MTS400 Series TS Compliance Analyzer display for

maximum bit rate 3-48......................................

Figure 4-1: Equipment connection for adjusting the carrier leakage 4-2

Figure 5-1: RTX100B orientation 5-10.............................

Figure 5-2: External modules 5-11................................

Figure 5-3: Board modules 5-12..................................

Figure 5-4: Internal modules 5-13................................

Figure 5-5: Guide to removal procedures 5-14......................

Figure 5-6: Cabinet removal 5-16.................................

Figure 5-7: Right-side and left-side covers removal 5-17..............

Figure 5-8: Front-panel unit removal 5-18.........................

Figure 5-9: Disassembly of front-panel assembly 5-20................

Figure 5-10: A150 RF Output board, A12 Main board,

CPU board, and A20 PCI Backplane board removal 5-22.........

Figure 5-11: Hard disk drive removal 5-27.........................

Figure 5-12: Internal and external fan removal 5-29.................

Figure 5-13: 12 V main power supply and A40 AC

Distributor board removal 5-31...............................

Figure 5-14: RFI filter removal 5-32..............................

Figure 5-15: Troubleshooting procedure (1) 5-36....................

Figure 5-16: Troubleshooting procedure (2) 5-37....................

Figure 5-17: Troubleshooting procedure (3) 5-38....................

Figure 5-18: Troubleshooting procedure (4) 5-39....................

Figure 5-19: Troubleshooting procedure (5) 5-40....................

Figure 5-20: Troubleshooting procedure (6) 5-41....................

Figure 5-21: Troubleshooting procedure (7) 5-42....................

Figure 5-22: Troubleshooting procedure (8) 5-43....................

Figure 5-23: A20 PCI Backplane board view--back side 5-43..........

Figure 5-24: A20 PCI Backplane board view--right side 5-44..........

Figure 7-1: RTX100B block diagram 7--3..........................

Figure 7-2: RTX100B interconnect diagram 7--5....................

Table of Contents

RTX100B ISDB-T RF Signal Generator Service Manual v

Figure 8-1: Cabinet and covers 8-5..............................

Figure 8-2: Internal modules (1) 8-7.............................

Figure 8-3: Internal modules (2) 8-9.............................

Figure 8-4: Front panel unit 8-11.................................

Figure 8-5: Cables 8-13.........................................

Table of Contents

vi RTX100B ISDB-T RF Signal Generator Service Manual

List of Tables

Table 1-1: Functional specifications 1-4..........................

Table 1-2: Mainframe 1-4......................................

Table 1-3: Mechanical characteristics 1-12.........................

Table 1-4: Environmental characteristics 1-12......................

Table 1-5: Certifications and compliances 1-13.....................

Table 3-1: Equipment required for performance verification 3-6.....

Table 3-2: RTX100B test record 3-7.............................

Table 3-3: Output channel and center frequency settings 3-27........

Table 4-1: Equipment required 4-1..............................

Table 4-2: Output channel and center frequency settings 4-3........

Table 5-1: External inspection check list 5-4......................

Table 5-2: Internal inspection check list 5-5.......................

Table 5-3: Summary of procedures 5-8..........................

Table 5-4: Tools required for module removal 5-9..................

Table of contents

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