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

Copyright ©Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or
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..................