Tektronix RTX100A Service Manual
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Tektronix RTX100A Service Manual

Tektronix RTX100A Service Manual

Isdb-t rf signal generator
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Service Manual
RTX100A
ISDB-T RF Signal Generator
071-1757-00
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

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Summary of Contents for Tektronix RTX100A

  • Page 1 Service Manual RTX100A ISDB-T RF Signal Generator 071-1757-00 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.
  • Page 2 Copyright © Tektronix, Inc. 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.
  • Page 3 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.

  • Page 5: Table Of Contents

    ........RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 6 ........RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 7 ....... . . 5-16 Figure 5-7: Right-side and left-side covers removal ....5-17 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 8: Figure 5-4: Internal Modules

    ......... 8-14 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 9 ......Table 5-4: Tools required for module removal ....RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 10 Table of Contents RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 11 Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. No Power Switch. Power supply cord is considered the disconnecting device, disconnect the main power by means of the power cord. RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 12 Symbols on the Product. The following symbols may appear on the product: CAUTION WARNING Double Protective Ground Not suitable for Insulated Refer to Manual High Voltage (Earth) Terminal connection to the public telecom- munications network viii RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 13 Use Care When Servicing With Power On. Dangerous voltages or currents may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. To avoid electric shock, do not touch exposed connections. RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 14 Service Safety Summary RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 15: Options

    This product has been classified as Monitoring and Control equipment, and is Substances outside the scope of the 2002/95/EC RoHS Directive. This product is known to contain lead, cadmium, mercury, and hexavalent chromium. RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 16 Environmental Considerations RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 17: Diagrams

    Preface This is the service manual for the RTX100A ISDB-T RF Signal Generator. This manual contains information needed to service an RTX100A to the module level. Manual Structure This manual is divided into sections, such as Specifications and Theory of Operation.
  • Page 18 Modules Throughout this manual, any replaceable component, assembly, or part of the RTX100A is referred to generically as a module. In general, a module is an assembly (like a circuit board), rather than a component (like a resistor or an integrated circuit).
  • Page 19 ISDB-T RF Signal Generator, as well as general information critical to safe and effective servicing. To prevent personal injury or damage to the RTX100A, consider the following before attempting service: H The procedures in this manual should be performed only by a qualified service person.
  • Page 20 Whether providing warranty repair service or any of the other services listed below, Tektronix service technicians are well trained to service the RTX100A. They have access to the latest information on improvements to the RTX100A as well as the latest new options.
  • Page 21 Specifications...

  • Page 23: Product Overview

    The RTX100A ISDB- -T RF Signal Generator converts a broadcast transport stream into an RF signal and outputs it. In addition to the RF signal output feature, the RTX100A records and plays MPEG- -2 transport streams that are compliant with ATSC, DVB, and ARIB standards.
  • Page 24 Product Overview RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 25: Table 1-1: Functional Specifications

    Table 1-4 on page 1-11. H The RTX100A must have a warm-up period of at least 20 minutes. H The RTX100A must be operating at an ambient temperature between +5 _C to +40 _C, unless otherwise noted.

  • Page 26: Output Level

    >3.5 V (maximum input voltage: 7 V) Low level <0.8 V Output level High level >2.2 V (with 50 Ω termination) Low level <0.8 V (with 50 Ω termination) Output impedance 50 Ω RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 27: Spi Interface

    330 mV to 550 mV (termination: internal 100 Ω, external 100 Ω), bus LVDS with 50 Ω termination Offset 1.1 V to 1.5 V Output resistance, typical 100 Ω, between differential outputs (output off) RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 28 Frequency 10 MHz, 27 MHz 8.126948 MHz Input level, typical 160 kHz to 26.75 MHz (parallel clock) 1.28 MHz to 32 MHz (serial clock) RF output Connector type Output impedance, typical 75 Ω RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 29 Mode 2: - - 18 dBm to - - 26 dBm at 13 ch Mode 3: - - 15 dBm to - - 23 dBm at 13 ch Bit error rate, typical < 2.0 - - E4 after Vitervi RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 30 USB 2.0 interface Number of connectors Pin assignments - - DATA +DATA LAN interface 10/100/1000 Base-T Ethernet interface Connector type RJ45 Pin assignments MDI_0+ MDI_2- - MDI_0- - MDI_1- - MDI_1+ MDI_3+ MDI_2+ MDI_3- - RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 31 50 Hz to 60 Hz Maximum power 180 VA Maximum current 1.3 A Main fuse data 5 A Time- - delayed, 250 V (not operator replaceable) 2 A Time- - delayed, 250 V (not operator replaceable) RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 32: Serial Interfaces

    DATA 0- - 7 DCLK* * In the universal parallel/serial interface, the polarity of DCLK can be inverted. Input data hold time Figure 1-1: Timing diagram of the SPI and universal parallel/serial interfaces 1-10 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 33: Table 1-3: Mechanical Characteristics

    (2.28 Grms), 5 Hz to 500 Hz, 10 min, three axes Shock Non-operating 294 m/s (30 G), half-sine, 11 ms duration Installation requirements Power dissipation 100 W maximum. Maximum line current is 1.3 A at 50 Hz 1-11 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 34: Table 1-5: Certifications And Compliances

    Control, and Laboratory Use Australia/New Zealand Declaration Complies with EMC provision of Radio Communications Act per the following standard(s): of Conformity - - EMC AS/NZS 2064.1/2 Industrial, Scientific, and Medical Equipment: 1992 1-12 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 35 IEC Characteristics Equipment type: Test and Measuring Installation Category II (as defined in IEC 61010-1, Annex J) Pollution Degree 2 (as defined in IEC 61010-1) Safety Class 1 - - grounded product 1-13 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 36 Specifications 1-14 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 37 Theory of Operation...

  • Page 39: A12 Main Board

    Theory of Operation This section describes the basic operation of the major circuit blocks or modules in the RTX100A. The Diagrams section, beginning on page 7-1, includes a block diagram and an interconnect diagram. A12 Main Board The A12 Main board consists of the following blocks: PCI Interface The PCI interface consists of a PCI target and a PCI master.
  • Page 40 The interrupt controller sends the following interruption signals to the CPU: Play FIFO empty, Record FIFO full, external trigger, 10 Hz, Playout DMA transfer finished, and Record DMA transfer finished. These interruptions can be disabled by the RTX100A application software. At power on, all interruptions are disabled. TS Clock Generator The TS clock generator consists of a VCO (Voltage Control Oscillator), phase detector, frequency divider.

  • Page 41: A20 Pci Backplane Board

    (7 V to 11.5 V). IEEE1394b Interface The IEEE1394 interface consists of the 1394b link-layer device (U110), cable transcriver/arbiter (U120), oscillator (Y100), serial EEPROM (U140), regulators (U130 and U230), and IEEE1394b connector (J140). RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 42: A150 Isdb-T Rf Output Board

    This block generates a carrier signal for the RF output. It directly generates a career frequency of UHF. Quadrature Modulator This block performs I/Q modulation to a carrier signal from the A/D converter output. RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 43: A30 Front Panel Board

    ATX power control circuit on the A20 Backplane board. A50 Disk I/F board The A50 disk I/F board connects the secondary IDE connector on the CPU board with the DVD drive module. RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 44 Theory of Operation RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 45 Performance Verification...

  • Page 47: Table 3-1: Equipment Required For Performance Verification

    9 pin- - 9 pin 50 Ω N(Fe)-to-75 Ω N(Fe) adapter Bandwidth: 2 GHz or higher Agilent Technologies 11852B 75 Ω BNC(Ma)-to-NC(Fe) adapter Stack Electronics BA045 50 Ω N(Ma)-to-SMA(Fe) adapter Stack Electronics BA057 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 48: Procedures

    RTX100A is operating in an environment that is within the operating limits described in Table 1-4 on page 1-11. In addition, the RTX100A and the test equipment must be warmed up for at least 20 minutes to ensure accurate test results.

  • Page 49: Figure 3-1: Equipment Connection For Checking The Internal Clock Output Level

    Figure 3-1: Equipment connection for checking the internal clock output level 2. Select Play > Others on the RTX100A to open the Others dialog box. 3. In the dialog box, select the Ext Trigger BNC button to open the Ext Trigger BNC dialog box.

  • Page 50: Figure 3-2: Equipment Connection For Checking The Internal Clock Frequency

    ..Coupling: DC Impedance: 50 Trigger: AUTO TRIG ON 9. Verify that the frequency counter reading falls within the range of 26.999973 MHz to 27.000027 MHz (< 1.0 ppm). RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 51: Figure 3-3: Equipment Connection For Checking The Play Operation- Spi Interface

    Checking the Play Operation. 1. Use the parallel interface cable to connect the SPI In/Out connector on the RTX100A to the DVB SPI In connector on the MPEG analyzer. See Figure 3-3. MPEG analyzer rear panel (MTS430) RTX100A rear panel...
  • Page 52 E:\MTXRTX_Test streams\Record_Files\ SPI214Mbps 7. Press the PLAY button on the RTX100A to start playing the test40.TRP file. 8. Verify that the hierarchic view is displayed on the MPEG analyzer screen. In addition, verify that the bit rate is 214 Mbps and the packet size is 188 bytes.
  • Page 53 18. Click the PLAY button on the MPEG Analyzer to start playing the SPI214Mbps.trp file. 19. Verify that the hierarchic view is displayed on the RTX100A screen. In addition, verify that the bit rate display is 214 Mbps and the packet size display is 188 bytes.
  • Page 54 Performance Verification 31. Press the PLAY button on the RTX100A to start playing the SPI214Mbps.trp file. 32. Verify that the hierarchic view is displayed on the screen and that no error messages appear. In addition, verify that the bit rate is 40 Mbps and that the transport stream packet size is 188 bytes.

  • Page 55: Figure 3-4: Equipment Connections For Checking The External Clock/Reference And Trigger Inputs

    0.875 V 5. Press the On button of the Ch1 output on the function generator. 6. Open the test64.TRP file on the RTX100A. a. Select File > Open in the Play screen to open the Select File dialog box. b. In the dialog box, select the test64.TRP file.
  • Page 56 8. Select Play > Clock to open the Clock dialog box. 9. In the Clock dialog box, select ExtRef 10. 10. Press the PLAY button on the RTX100A to start playing the test64.TRP file. 11. Verify that PLL unlock error does not occur on the RTX100A.
  • Page 57 Performance Verification 22. Select Play > Clock on the RTX100A to open the Clock dialog box. 23. In the dialog box, select Internal. 24. Press the On button of the Ch1 output on the function generator to stop the signal output.

  • Page 58: Figure 3-5: Equipment Connection For Checking The Output Signal- Asi Interface

    Checking the Output Signal. 1. Use the 75 Ω BNC cable and the 75 Ω signal adapter to connect the ASI Out connector on the RTX100A to the oscilloscope CH1 input. See Figure 3-5. Oscilloscope (TDS5104B) RTX100A rear panel 75 Ω...
  • Page 59 ... . . Cursor Curs1 Pos1: - -2.5 ns/Curs2: 2.75 ns 3. Open the test40.TRP file on the RTX100A. a. Select File > Open in the Play screen to open the Select File dialog box.

  • Page 60: Figure 3-6: Equipment Connections For Checking The Play Operation- Asi Interface

    RAM, Record Size: 100 MB SPI/ASI/310M Input Port . . . BNC Port . . . File Save Mode Over write Save ..E:\MTXRTX_Test streams\Record_Files\ ASI214Mbps.trp 3-14 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 61: Figure 3-7: Equipment Connection For Checking The Record Operation- Asi Interface

    15. Disconnect the 75 Ω BNC cable from the RTX100A and MPEG analyzer. Checking the Record Operation. 16. Use the 75 Ω BNC cable to connect the ASI In connector on the RTX100A to the ASI/SMPTE Out connector on the MPEG analyzer. See Figure 3-7.
  • Page 62 Performance Verification 17. Press the REC button on the RTX100A to display the Record screen. 18. On the RTX100A, make the following settings: Record menu Source ..Record size ..

  • Page 63: Figure 3-8: Equipment Connection For Checking The Recorded File- Asi Interface

    Performance Verification Checking the Recorded File. 29. Use the 75 Ω BNC cable to connect the ASI Out connector on the RTX100A to the ASI/SMPTE In connector on the MPEG analyzer. See Figure 3-8. MPEG analyzer rear panel (MTS430) RTX100A rear panel 75 Ω...

  • Page 64: Figure 3-9: Fifth Equipment Connection For Checking The Asi

    39. Disconnect the 75 Ω BNC cable from the RTX100A and MPEG analyzer. Checking a Moving Picture. 40. Use a 75 Ω BNC cable to connect the ASI Out connector on the RTX100A to the TS ASI connector on the MPEG-2 measurement decoder. See Figure 3-9.
  • Page 65 46. Press the STOP button on the RTX100A to stop the stream output. 47. Disconnect 75 Ω BNC cables from the RTX100A, MPEG-2 measurement decoder, and video monitor.

  • Page 66: Figure 3-10: Equipment Connection For Checking The Rf Output Signal

    Performance Verification Checking the Output Signal. 1. Use the 75 Ω BNC cable to connect the RF Out connector on the RTX100A to the CH2 connector on the frequency counter. See Figure 3-10. RTX100A rear panel Frequency counter (53181A Option 015) 75 Ω...

  • Page 67: Figure 3-11: Equipment Connection For Checking The Carrier Leakage

    13. Use the 75 Ω BNC(Ma)-to-ΝC(Fe) adapter, 50 Ω N(Fe)-to-75 Ω Ν(Μa) adapter, 50 Ω SMA cable, and two 50 Ω N(Ma)-to-SMA(Fe) adapters to connect the RF Out connector on the RTX100A to the RF Input on the spectrum analyzer. See Figure 3-11.

  • Page 68: Table 3-2: Output Channel And Center Frequency Settings

    - - - - - - - - - - - - - - - - - - - - - - Checking the Spectrum Mask. 20. Select ISDB-T/ASI > RF Parameter on the RTX100A to open the ISDB-T RF Parameter dialog box.
  • Page 69 32. Repeat steps 25 and 26. Use the MASK621.STA and MASK622.STA setup files for the measurement. 33. Disconnect the 75 Ω BNC (Ma)-to-NC(Fe) adapter, 50 Ω SMA cable, and 50 Ω N(Ma)-to-SMA(Fe) adapter from the RTX100A and spectrum analyzer. 3-23 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 70: Figure 3-12: Equipment Connection For Checking The Output Level And

    Performance Verification Checking the Output Level and Error. 34. Use the 75 Ω BNC cable to connect the RF Out connector on the RTX100A to the RF INPUT on the ISDB-T analyzer. See Figure 3-12. ISDB-T analyzer (VP-8480A) RTX100A rear panel 75 Ω...
  • Page 71 In the dialog box, navigate to the D:\ISDB-T directory, and then select the ISDB_T_M2.rmx file. 49. Press the PLAY button on the RTX100A to start playing the file. 50. Repeat steps 41 and 42. 51. Change the demodulation (DEMODSET) settings to Mode: 1 on the ISDB-T analyzer.

  • Page 72: Figure 3-13: Equipment Connection For Checking The Ieee1394B

    IEEE1394b cable (9 pin- - 9 pin)) test40.TRP file 1. Use the IEEE1394b cable to connect the IEEE1394b connector on the RTX100A to the IEEE1394b hard disk drive. See Figure 3-13. RTX100A rear panel IEEE1394b hard disk drive IEEE1394b cable Figure 3-13: Equipment connection for checking the IEEE1394b interface 2.
  • Page 73 Adjustment Procedures...

  • Page 75: Table 4-1: Equipment Required

    Requirement for Adjustment Before proceeding, note the following requirement: Warm-up Period The RTX100A requires a 20 minute warm-up time in a +20 to +30 environment before it is adjusted. Adjustment done before the operating temperature has stabilized may cause errors in performance.

  • Page 76: Figure 4-1: Equipment Connection For Adjusting The Carrier Leakage

    1. Use the 75 Ω BNC(Ma)-to-NC(Fe) adapter, 50 Ω N(Fe)-to-75 Ω Ν(Μa) adapter, 50 Ω SMA cable, and two 50 Ω N(Ma)-to-SMA(Fe) adapter to connect the RF Out connector on the RTX100A to the RF Input on the spectrum analyzer. See Figure 4-1.

  • Page 77: Table 4-2: Output Channel And Center Frequency Settings

    10. Adjust the DAC(I) Offset and DAC(Q) Offset values so that the carrier leakage on the spectrum analyzer is less than - -80 dBm. 11. Change Reference Frequency (output channel) on the RTX100A and center frequency on the spectrum analyzer as listed in Table 4-2, and repeat steps 5 through 10.
  • Page 78 Adjustment Procedures RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 79 Maintenance...

  • Page 81: Related Maintenance Procedures

    H Troubleshooting — Information for isolating and troubleshooting failed modules. Troubleshooting trees are included. H Using the Recovery Discs — Procedures for reinstalling the Windows XP operating system and the RTX100A application if the RTX100A does not boot. Related Maintenance Procedures The following sections contain information and procedures related to mainte- nance.

  • Page 82: Preparation

    CAUTION. Static discharge can damage any semiconductor component in the RTX100A. Preventing ESD When performing any service which requires internal access to the RTX100A, adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge (ESD).

  • Page 83: Inspection And Cleaning

    RTX100A adjustment. General Care The cabinet helps keep dust out of the RTX100A, and is needed to meet EMI and cooling requirements. The cabinet should be in place when operating the RTX100A. The front cover protects the front panel and display from dust and damage.

  • Page 84: Table 5-1: External Inspection Check List

    Cleaning Procedure — Exterior. To clean the RTX100A exterior, perform the following steps: 1. Remove loose dust on the outside of the RTX100A with a lint free cloth. 2. Remove remaining dirt with a lint free cloth dampened in a general purpose detergent-and-water solution.

  • Page 85: Table 5-2: Internal Inspection Check List

    Maintenance Inspection — Interior. To access the inside of the RTX100A for inspection and cleaning, refer to the Removal and Installation Procedures in this section. Inspect the internal portions of the RTX100A for damage and wear, using Table 5-2 as a guide. Defects found should be repaired immediately.
  • Page 86 STOP. If, after performing steps 1 and 2, a module is clean upon inspection, skip the remaining steps. 3. If steps 1 and 2 do not remove all the dust or dirt, the RTX100A may be spray washed using a solution of ethyl alcohol by performing steps 4 through 8.

  • Page 87: Removal And Installation Procedures

    H A disassembly procedure for removal of all the major modules from the RTX100A at one time and for reassembly of those modules into the RTX100A. Such a complete disassembly is normally only done when completely cleaning the RTX100A. (Instructions for doing the actual cleaning are found under Inspection and Cleaning at the beginning of this section.)

  • Page 88: Table 5-3: Summary Of Procedures

    First read over the Summary of Procedures that follows to understand how the procedures are grouped. Then read Equipment Required for a list of the tools needed to remove and install modules in the RTX100A. If you are removing a module for service, begin by performing the procedure Access Procedure (page 5-14).

  • Page 89: Table 5-4: Tools Required For Module Removal

    Removal and Installation Procedures Required Equipment. Most modules in this RTX100A can be removed with a screwdriver handle mounted with a size T-10 Torx screwdriver tip. Use this tool whenever a procedure step instructs you to remove or install a screw unless a different size screwdriver is specified in that step.

  • Page 90: Figure 5-1: Rtx100A Orientation

    Removal and Installation Procedures RTX100A Orientation In this manual, procedures refer to “front,” “back,” and “top” of the RTX100A. Figure 5-1 shows how the sides are referenced. Figures 5-2 through 5-4 show the modules that make up the RTX100A. Figure 5-1: RTX100A orientation...

  • Page 91: Figure 5-2: External Modules

    Removal and Installation Procedures Left-side cover Right-side cover Cabinet Bracket LCD module A35 Power Display filter Switch board Front cover Front panel A30 Front Panel Rubber switch board Figure 5-2: External modules 5-11 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 92: Figure 5-3: Board Modules

    Removal and Installation Procedures Printer connector Blank panel A20 PCI Backplane board A150 ISDB- - T RF Output board A12 Main board CPU board Figure 5-3: Board modules 5-12 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 93 Removal and Installation Procedures 12 V main power supply RFI filter Hard disk drive External fan retainer A40 AC Distributer board Hard disk drive Internal fan DVD drive Figure 5-4: Internal modules 5-13 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 94: Figure 5-5: Guide To Removal Procedures

    A150 RF Output board p.5-23 A12 Main board p.5-23 the module CPU board p.5-23 in Figure A20 PCI Backplane board p.5-24 5-3 ? Printer connector p.5-25 Figure 5-5: Guide to removal procedures 5-14 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 95: Procedures For External Modules

    Locate the cabinet in the locator diagram External modules, Figure 5-2, on page 5-11. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its rear is facing you. 3. Use a screwdriver with a T-15 Torx tip to remove the two screws securing the cabinet to the RTX100A.

  • Page 96: Figure 5-6: Cabinet Removal

    Locate the right-side cover in the locator diagram External modules, Figure 5-2, on page 5-11. 2. Orient the instrument: Set the RTX100A so its left side is down on the work surface and its front is facing you. 3. Use a screwdriver with a T-10 Torx tip to remove the seven screws securing the right-side cover to the top and bottom of the chassis.

  • Page 97: Figure 5-7: Right-Side And Left-Side Covers Removal

    Locate the left-side cover in the locator diagram External modules, Figure 5-2, on page 5-11. 2. Orient the instrument: Set the RTX100A so its right side is down on the work surface and its front is facing you. 3. Use a screwdriver with a T-10 Torx tip to remove the six screws securing the left-side cover to the top and bottom of the chassis.

  • Page 98: Figure 5-8: Front-Panel Unit Removal

    Locate the front-panel unit in the locator diagram External modules, Figure 5-2, on page 5-11. 2. Orient instrument: Set the RTX100A so its bottom is down on the work surface and its front is facing you. 3. Remove front-panel unit: See Figure 5-8.
  • Page 99 5. Now hand disassemble the front-panel assembly components using Figure 5-9 as a guide. Reverse the procedure to reassemble. 6. Reinstallation: Perform steps 2 through 5 in reverse order to reinstall the front-panel assembly. 5-19 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 100: Figure 5-9: Disassembly Of Front-Panel Assembly

    Removal and Installation Procedures A35 Power Switch board Front cover bracket LCD module Front cover A30 Front Panel board Figure 5-9: Disassembly of front-panel assembly 5-20 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 101: Procedure For Board Modules

    Retainers H You need a screwdriver with a T-10 Torx tip. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its right side is facing you. 3. Remove the board retainers: See Figure 5-10 on page 5-22.

  • Page 102: Figure 5-10: A150 Rf Output Board, A12 Main Board, Cpu Board And A20 Pci Backplane Board Removal

    A20 PCI Backplane board Printer connector A150 ISDB-T RF Output board A12 Main board CPU board Figure 5-10: A150 RF Output board, A12 Main board, CPU board, and A20 PCI Backplane board removal 5-22 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 103 Locate the A150 ISDB-T RF Output board in the locator diagram Board modules, Figure 5-3, on page 5-12. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its right side is facing you.
  • Page 104 Locate the A20 PCI Backplane board in the locator diagram Board modules, Figure 5-3, on page 5-12. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its right side is facing you.
  • Page 105 Locate the connector in the locator diagram Board modules, Figure 5-3, page 5-12. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its rear is facing you. 3. Remove the Printer connector: See Figure 5-10 on page 5-22.

  • Page 106: Procedure For Internal Modules

    Locate the DVD drive in the locator diagram Internal modules, Figure 5-4, page 5-13. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its front is facing you. 3. Remove the DVD drive: See Figure 5-11.

  • Page 107: Figure 5-11: Dvd Drive Removal

    Locate the hard disk drive in the locator diagram Internal modules, Figure 5-4, page 5-13. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its left side is facing you. 3. Remove the hard disk drive: See Figure 5-12 on page 5-28.

  • Page 108: Figure 5-12: Hard Disk Drive Removal

    Grasp the hard disk drive and pull it gently away from the chassis. 4. Reinstallation: Perform step 3 in reverse order to reinstall the hard disk drive. Hard disk drive unit Plate Hard disk drive retainer Figure 5-12: Hard disk drive removal 5-28 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 109 4. Reinstallation: Perform step 3 in reverse order to reinstall the internal fan. 5. Remove the external fan: See Figure 5-13 on page 5-30. a. Set the RTX100A so its bottom is down on the work surface and its rear is facing you.

  • Page 110: Figure 5-13: Internal And External Fan Removal

    Removal and Installation Procedures Internal fan External fan Figure 5-13: Internal and external fan removal 5-30 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 111 Locate the 12 V main power supply in the locator diagram Internal modules, Figure 5-4, page 5-13. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its left side is facing you.

  • Page 112: Removal

    Locate the RFI filter in the locator diagram Internal modules, Figure 5-4, page 5-13. 2. Orient the instrument: Set the RTX100A so its bottom is down on the work surface and its rear is facing you. 3. Remove the RFI filter: See Figure 5-15.

  • Page 113: Figure 5-15: Rfi Filter Removal

    Pull the RFI filter away from the chassis. 4. Reinstallation: Perform step 3 in reverse order to reinstall the RFI filter. To J110 on the A40 AC Distributer board RFI filter Figure 5-15: RFI filter removal 5-33 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 114 Removal and Installation Procedures 5-34 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 115: Setting The Bios Configuration

    : HDD-0 Advanced Chipset Features : CRT+LFT Boot Display Integrated Peripherals Super IO Device : Onboard FDC Controller : Disabled : Disabled Onboard Serial Port 2 : Disabled Onboard Serial Port 4 5-35 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 116 6. Use the arrow keys to select Save & Exit Setup, and then press the Enter key. The Save to CMOS and Exit (Y/N)? message appears. 7. Enter Y, and press the Enter key. 5-36 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 117: Troubleshooting

    Troubleshooting This subsection contains troubleshooting trees designed to isolate faulty modules in the RTX100A. Troubleshooting Trees Figures 5-16 through 5-22 show the troubleshooting procedure for the RTX100A. 5-37 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 118: Figure 5-16: Troubleshooting Procedure (1)

    H Replace the A20 PCI Backplane displayed in the Status board. dialog box? H Replace the interface module. Figure 5-16: Troubleshooting procedure (1) 5-38 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 119: Figure 5-17: Troubleshooting Procedure (2)

    Can a stream data H Check that the interface module is be acquired from the ASI In securely installed into the card slot. connector? H Replace the interface module. Figure 5-17: Troubleshooting procedure (2) 5-39 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 120: Figure 5-18: Troubleshooting Procedure (3)

    ISDB-T transport stream file on the generator. Can an RF modulated Replace the A150 ISDB-T RF Output signal be output from the RF board. Out connector? Done. Figure 5-18: Troubleshooting procedure (3) 5-40 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 121: Figure 5-19: Troubleshooting Procedure (4)

    (if installed) +5 V, +3.3 V, +12 V, and from the A20 PCI Backplane board. - - 12 V correct ? Replace the CPU board. Figure 5-19: Troubleshooting procedure (4) 5-41 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 122: Figure 5-20: Troubleshooting Procedure (5)

    H If the other voltage is faulty, replace the A20 PCI Backplane board. Change the A12 Main board or the optional interface module (if installed) which affects the power supply. Figure 5-20: Troubleshooting procedure (5) 5-42 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 123: Figure 5-21: Troubleshooting Procedure (6)

    Does the backlight light ? H Replace the A35 Power switch board. H Check the 259-A002-00 cable. H Replace the A30 Front Panel board. H Replace the LCD module. Figure 5-21: Troubleshooting procedure (6) 5-43 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 124: Figure 5-22: Troubleshooting Procedure (7)

    Enable check box in box. the Others dialog box selected? Can a stream data be output from the SPI In/Out connector? Done. Replace the A12 Main board. Figure 5-22: Troubleshooting procedure (7) 5-44 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 125: Figure 5-23: Troubleshooting Procedure (8)

    Can a stream data be acquired from the SPI In/Out connector? Replace the A12 Main board. Done. Figure 5-23: Troubleshooting procedure (8) Front J220 J170 Figure 5-24: A20 PCI Backplane board view- back side 5-45 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 126: Figure 5-25: A20 Pci Backplane Board View- -Right Side

    Troubleshooting Front J230 J240 Figure 5-25: A20 PCI Backplane board view- right side 5-46 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 127: Using The Recovery Discs

    Using the Recovery Discs If the RTX100A does not boot, you can reboot it by using the recovery discs provided with the instrument. Use the procedures in this section to reinstall the Windows XP operating system and the RTX100A application software.

  • Page 128: Reinstalling The Rtx100A Application

    Restoring the IEEE1394b Port Speed Setting The IEEE1394 port speed of the RTX100A is set to S400/S800 at the factory. However, when you reinstall the Windows XP operating system, this setting returns to the default value (S400). After you reinstall the operating system, perform the following procedure to restore the IEEE1394b port speed setting: 1.
  • Page 129 5. In the Edit DWORD Value dialog box, enter 3 in the Value data text box. 6. Click OK to close the Edit DWORD Value dialog box and apply the setting change. 7. Click the close button on the title bar to close the Registry Editor window. 5-49 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 130 Using the Recovery Discs 5-50 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 131 Options...
  • Page 133 Options This section describes options that are available for the RTX100A. The following options are available: Options Description Software option Option SC Adds the Scheduler application Service options Option D1 Provides calibration data Option D3 Provides calibration data for 3 years...
  • Page 134 Options RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 135 Diagrams...
  • Page 137 H Block diagram of the RTX100A H Interconnect diagram of the RTX100A Block diagrams show the modules and functional blocks in the RTX100A. Interconnect diagrams show how the modules in the RTX100A connect together. RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 138 Diagrams RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 139 PCI Back Plane Board IEEE1394b External Internal LCD Display Front Panel Board 5 V Main Power Supply 5 V Sub Power Inverter Supply Power Switch Board AC Distributer Board Figure 7-1: RTX100A block diagram 7- 3 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 140 7- 4 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 141 5 V Main Power Supply J300 174-5171-00 174-5173-00 J120 J100 J130 5 V Sub Power 174-5170-00 Inverter J110 Supply J100 Power Switch Board AC Distributer Board 196-3499-00 174-5188-00 Figure 7-2: RTX100A interconnect diagram 7- 5 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 142 7- 6 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 143 Replaceable Parts List...

  • Page 145: Parts Ordering Information

    Replaceable Parts List This section contains a list of the replaceable modules for the RTX100A. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements.

  • Page 146: Using The Replaceable Parts List

    For more information about the module exchange program, call 1- -800- -833- -9200. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices: www.tektronix.com Module Repair and Return. You may ship your module to us for repair, after which we will return it to you.
  • Page 147 TAIPEI, TAIWAN ROC 2W733 BELDEN CORPORATION 2200 US HIGHWAY 27 SOUTH RICHMOND IN 47375- - 0010 PO BOX 1980 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON, OR 97077- - 0001 PO BOX 500 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 148 SOFTWARE PKG;MICROSOFT WINDOWS XP 80009 PROFESSIONAL,INCLUDES SERVICE PACK 2,1-2 PROCESSOR VERSION;CERTIFICATE OF AUTHENTICITY - - 7 337- - 4346- - 00 SHIELD,ELEC:COVER,RIGHT,MTX100A,AL 80009 - - 8 211- - 0374- - 00 SCREW,MACHINE:6-32X0.25,FLH,100 DEG,STL ZN-CM1,T10 80009 TORX RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 149: Figure 8-1: Cabinet And Covers

    Replaceable Parts List Figure 8-1: Cabinet and covers RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 150 RIVET,SOLID;0.163 ODX0.415 L,PANEL RANGE HEAD 80009 STYLE,NYLON - - 27 119- - 7187- - 00 FAN 119569400 W/CABLE 18CM L(92 SQ FAN) 80009 - - 28 211- - 0373- - 00 SCREW,MACHINE:4-40X0.25,PNH,STL ZN-CM1,T10 TORX 80009 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 151: Figure 8-2: Internal Modules (1)

    Replaceable Parts List DVD drive See Figure 8-5 on page 8-12 for detailed view. Front panel unit See Figure 8-4 on page 8-11 for detailed view. Figure 8-2: Internal modules (1) RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 152 - - 14 211- - 0373- - 00 SCREW,MACHINE:4-40X0.25,PNH,STL ZN-CM1,T10 TORX 80009 - - 15 343- - 1697- - 00 RETAINER:CKT BD,PCI,MTX100A,STL 80009 - - 16 343- - 1700- - 00 RETAINER:CKT BD,PCI,RTX100A,STL 80009 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 153: Figure 8-3: Internal Modules (2)

    Replaceable Parts List A150 Figure 8-3: Internal modules (2) RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 154 211- - 0373- - 00 SCREW,MACHINE:4- - 40X0.25,PNH,STL ZN- - CM1,T10 TORX 80009 - - 14 260- - A148- - 00 SWITCH,RUBBER:SILICON,FRONT PANEL 80009 - - 15 333- - A437- - 00 PANEL,FRONT:KEYBOARD,MTX100,POLYCARBONATE,TO.25 80009 8-10 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 155: Figure 8-4: Front Panel Unit

    Replaceable Parts List Figure 8-4: Front panel unit 8-11 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 156: Figure 8-5: Dvd Drive Unit

    - - 4 211- - A269- - 00 SCREW,MACHINE:M2X4MM L,PNHSTL ZN- - C,CROSS 80009 REC,W/FLAT (6MM OD) WASHER - - 5 407- - 5049- - 00 BRACKET:DVD DRIVE,MTX100A,AL 80009 Figure 8-5: DVD drive unit 8-12 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 157 - - 18 174- - 5220- - 00 CABLE,ASSEMBLY,2X15,28AWG FLAT,1MM CTR,300MM 80009 L,A20 TO A30 - - 19 174- - 5173- - 00 CABLE,ASSEMBLY,5,26AWG RBN,120MM L,W/CONN 80009 PHR- - 5(JST)(A30- - A35) 8-13 RTX100A ISDB-T RF Signal Generator Service Manual...

  • Page 158: Figure 8-6: Cables

    Replaceable Parts List Power supply Hard disk drive Figure 8-6: Cables 8-14 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 159 1700F05 SIDE- - BY- - SIDE RACK ADAPTER 80009 - - - - - - - - - - - - - - - - - - - - - - 1700F06 BLANK PANEL 80009 8-15 RTX100A ISDB-T RF Signal Generator Service Manual...
  • Page 160 Replaceable Parts List 8-16 RTX100A ISDB-T RF Signal Generator Service Manual...

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