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RTX130A QAM & VSB RF Signal Generator Service Manual

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1. E 75 Q BNC cable Figure 3 7 Equipment connection for checking the ASI record operation RTX130A QAM amp VSB RF Signal Generator Service Manual 3 17 Performance Verification 17 Press the REC button on the RTX130A to display the Record screen 18 On the RTX130A make the following settings Record menu Source QAM VSB Record size 100 MB Target RAM QAM VSB menu BNC Port ASI File menu Save Mode Over Write Save eis vice ees D Record_Files ASI214Mbps trp 19 Set the MPEG analyzer to the Play mode 20 Select File gt Open on the MPEG analyzer to display the Open dialog box 21 In the dialog box navigate to the E MTXRTX_Test Streams Re cord Files directory and then select the ASI214Mbps trp file 22 On the MPEG player make the following settings Play menu Clock Data Rate 214 Mbps Update Off Source SPI ASI 310M menu BNC Port ASI Through Out Off 23 Click the PLAY button on the MPEG analyzer to start playing the ASI214M
2. mmc N SHE 9 Jo 0 D EH eco pop P 00 RTX130A rear panel Parallel interface cable Figure 3 4 Equipment connections for checking the external clock reference and trigger inputs 4 Set the function generator settings as indicated below Ch 1 output Function Run Mode Frequency Output Amplitude Output Offset Ch 2 output Function Run Mode Output Menu Output Amplitude Output Offset Square Continuous 10 MHz 0 5 V 2 0V Arb Edit Point Number 100 Data 16382 Continuous Load Impedance 1 kQ 1 75 V 5 Press the On button of the Ch1 output on the function generator 6 Open the test64 TRP file on the RTX130A a b RTX130A OAM amp VSB RF Signal Generator Service Manual Select File Open in the Play screen to open the Select File dialog box In the dialog box select the test64 T RP file 3 11 Performance Verification 3 12 7 Set Play Update On 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 RTX130A to start playing the test64 TRP
3. 75 BNC cable Figure 3 10 Equipment connection for verifying the 8VSB record operation 52 Press the REC button on the RTX130A to display the Record screen 53 On the RTX130A make the following settings Record menu Source QAM VSB Record size 100 MB Target RAM QAM VSB menu BNC Port 310M 8VSB File menu Save Mode Over Write Save ne D Record_Files S310M trp 54 Set the MPEG analyzer to the Play mode 55 Select File gt Open on the MPEG analyzer to display the Open dialog box 56 In the dialog box navigate to the E MTXRTX_Test Streams Re cord Files directory and then select the S310M trp file 3 22 RTX130A QAM amp VSB RF Signal Generator Service Manual Performance Verification 57 58 59 60 61 62 63 On the MPEG player make the following settings Play menu Update Off Source RAM SPI ASI 310M menu BNC Port 310M 8VSB Through Out Off Click the Play button on the MPEG analyzer to start playing the S310M trp file Verify that the hierarchic view is displayed on the RTX130A screen In addition verify that the bit rate is 19 392 Mbps and packet size is 188 bytes Press the REC button on the RTX130A to record the file After recording is completed click the Stop button on the MPEG analyzer Ex
4. Figure 7 3 Internal modules 2 Figure 7 4 Front panel unit Figure 7 5 DVD drive unit Figure 7 6 Cables ccc cece ccc atas e nh nnn 4 17 4 18 4 20 4 22 4 27 4 28 4 30 4 32 4 33 4 38 4 39 4 40 4 41 4 42 4 43 4 44 4 45 4 45 4 46 4 48 6 3 6 5 7 5 7 7 7 9 7 11 7 12 7 14 RTX130A OAM amp RF Signal Generator Service Manual Table of Contents List of Tables Table 1 1 Functional specifications 1 3 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 1 Table 3 2 RTX130A test record 3 3 Table 4 1 External inspection checklist 4 4 Table 4 2 Internal inspection check list 4 5 Table 4 3 Summary of procedures 4 8 Table 4 4 Tools required for module removal 4 9 RTX130A OAM amp VSB RF Signal Generator Service Manual sc General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product
5. Figure 4 9 Disassembly of front panel assembly Figure 4 10 A180 QAM Modulator board A12 Main board CPU board and A20 PCI Backplane board removal Figure 4 11 DVD drive removal Figure 4 12 Hard disk drive removal Figure 4 13 Internal and external fan removal Figure 4 14 12 V main power supply and A40 AC Distributer board removal rer eran eh eve et em Figure 4 15 RFI filter removal Figure 4 16 Troubleshooting procedure 1 Figure 4 17 Troubleshooting procedure 2 Figure 4 18 Troubleshooting procedure 3 Figure 4 19 Troubleshooting procedure 4 Figure 4 20 Troubleshooting procedure 5 Figure 4 21 Troubleshooting procedure 6 Figure 4 22 Troubleshooting procedure 7 Figure 4 23 Troubleshooting procedure 8 Figure 4 24 A20 PCI Backplane board view back side Figure 4 25 A20 PCI Backplane board view right side Figure 4 26 Edit DWORD Value dialog box Figure 6 1 RTX130A block diagram Figure 6 2 RTX130A interconnect diagram Figure 7 1 Cabinet and covers Figure 7 2 Internal modules 1
6. I 4 37 Using the Recovery Discs 4 47 Reinstalling Windows 4 47 Reinstalling the RTX130A Application 4 48 Restoring the IEEE1394b Port Speed Setting 4 48 Options DULCE ne 5 1 Diagrams Diagrams oec Ive u uuu uu E Se ee ep ie 6 1 Replaceable Parts List Parts Ordering 7 1 Using the Replaceable Parts List 7 2 ii RTX130A OAM amp VSB RF Signal Generator Service Manual Table of Contents List of Figures Figure 1 1 Timing diagram of the SPI interface 1 11 Figure 2 1 Block diagram of the A180 QAM Modulator board 2 A Figure 3 1 Equipment connection for checking the internal clock output level peer Rte entr me RES 3 5 Figure 3 2 Equipment connection for checking the internal clock frequency e Rn CERRAR T NC RA RR RR 3 6 Figure 3 3 Equipment connection for checking the play operation SPLIinterface u usa was kr re bie one sca er berceau 3 7 Figure 3 4 Equipment connections for checking the external clock reference and trigger inputs 3 11 Figure 3 5 Equipment connection for checking the output signal ASLinterface 15 4 2 e err ao rd srt e Een apis aen 3 14 Figure 3 6 Equipment connections for checking the ASI play Oper
7. REREAD WOE QR WOOD WO Figure 4 7 Right side and left side cover removal RTX130A QAM amp VSB RF Signal Generator Service Manual 4 17 Removal and Installation Procedures Front Panel Unit 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the front panel unit in the locator diagram External modules Figure 4 2 on page 4 11 2 Orient instrument Set the RTX130A so its bottom is down on the work surface and its front is facing you 3 Remove front panel unit See Figure 4 8 a Use a screwdriver with a T 10 Torx tip to remove the four screws securing the front panel unit to the chassis b Grasp the front panel unit and pull it forward c Disconnect the cable from J100 on the A30 Front Panel board d Disconnect the cable from J100 on the A35 Power Switch board gt Reinstallation Perform step 3 in reverse order to reinstall the front panel unit Figure 4 8 Front panel unit removal 4 18 RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures Front Panel Assembly 1 Assemble equipment and locate modules to be removed a You need a screwdriver with a T 10 Torx tip b Locate the front panel assembly in the locator diagram External modules Figure 4 2 on page 4 11 2 Remove the front cover See Figure 4 9 on page 4 20 a Press the two latches at the bott
8. 1 ee ee 9 RTX130A OAM amp RF Signal Generator Service Manual Open the Flower trp file on the RTX130A a Select File Open to open the Select File dialog box b In the dialog box navigate to the D 525 directory and then select the Flower trp file Select Play Clock to open the Clock dialog box In the dialog box select the Fixed ES Rate check box Select Play gt Update gt On Select Play Other to open the Others dialog box a Set Standard to MPEG2 b Select Update and then set Update Method to Hardware in the Select Update Item dialog box Select QAM VSB RF Output On Select QAM VSB Modulation to open the Modulation dialog box In the dialog box make the following settings Standard to match the standard to be tested Modulation 64 OAM except for the ATSC standard Symbol Rate 5 M sps for Annex A or C RF Center Frequency 200 MHz RE Devel 45 dBmV Output RF Press the PLAY button on the RTX130A to start playing the Flower trp file 3 25 Performance Verification Checking the Output for Errors 10 Use the 75 Q BNC cable two 20 dB attenuators and BNC Fe to F Ma adapter to connect the RF Out connector on the RTX130A to the RF input on the MPEG transport stream monitor See Figure 3 12 NOTE For the MTM400 Option QB2 and Option VS use the RF cable Tektroni
9. 174 B924 00 Card Edge Card Edge J180 119 7186 00 119 7187 00 174 5220 00 J100 259 A002 01 A30 Front Panel Board J320 LCD Display J300 174 5173 00 J130 USB J100 Inverter A35 Power Switch Board USB 174 5188 00 RTX130A QAM amp RF Signal Generator Service Manual Figure 6 2 RTX130A interconnect diagram 6 5 Replaceable Parts List w s 5 Replaceable Parts List This section contains a list of the replaceable modules for the RTX130A Use this list to identify and order replacement parts Parts Ordering Information Part Number Revision Level 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 Therefore when ordering parts it is important to include the following information in your order m Part number see Part Number Revision Level below Instrument type or model number m Instrument serial number m Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Tektronix part numbers contain two digits that show the revision level of the par
10. Mfr Code to Manufacturer Cross Index Manufacturers cross index Mfr code Manufacturer 3109 FELLER TK2432 UNION ELECTRIC 2W733 BELDEN CORPORATION 80009 TEKTRONIX INC The table titled Manufacturers Cross Index shows codes names and addresses of manufacturers or vendors of components listed in the parts list Address 72 VERONICA AVE UNIT 4 15 F 1 FU SHING N ROAD 2200 US HIGHWAY 27 SOUTH PO BOX 1980 14150 SW KARL BRAUN DR PO BOX 500 RTX130A QAM amp VSB RF Signal Generator Service Manual City state zip code SUMMERSET NJ 08873 TAIPEI TAIWAN ROC RICHMOND IN 47375 0010 BEAVERTON OR 97077 0001 7 3 Replaceable Parts List Replaceable parts list Fig amp index number 7 1 1 Tektronix part number 211 0374 00 337 4345 00 390 1212 01 211 0711 00 335 1374 00 063 3868 00 337 4346 00 211 0374 00 Serial no effective Serial no discont d Qty Name amp description SCREW MACHINE 6 32X0 25 FLH 100 DEG STL ZN CM1 T10 TORX SHIELD ELEC COVER LEFT MTX100A AL CABINET ASSY WRAP AROUND HOUSING 0 050 AL SILVER GRAY W FEET amp HANDLE SAFETY CONTROLLED SCR ASSEM WSHR 6 32X0 250 PNH STL CDPL T 15 TORX DR MACHINE W SQ CONE WASHER MARKER DENT LABEL MKD WARNING TO AVOID ELECTRIC 50 8MMX25 4MM 0 002 POLYESTER 3M 7982 OVER LAMINATE W 0 001 FLEVCON W ADHESIVE BACK SAFETY CONTROLLED SOFTWARE PKG MICROSOFT WINDOWS XP PROFESSIONAL INCLUDES SERVICE PACK
11. Replaceable Parts List Figure 7 3 Internal modules 2 T 9 RTX130A OAM amp VSB RF Signal Generator Service Manual Replaceable Parts List Replaceable parts list Fig amp index Tektronix part Serial no Serial no Mfr number number effective discon d Qty amp description code Mfr part number 7 4 1 335 1370 00 1 MARKER IDENT MKD RTX130A POLYCARBONATE 80009 W ADHESIVE BACK SAFETY CONTROLLED 2 200 4983 00 1 COVER FRONT ABS TV GRAY WITH CONDUCTIVE 80009 3 378 A048 01 1 FILTER LCD ACRYL MTX100 80009 4 650 4802 00 1 LCD MODULE 4 INCH TFT VGA LTMO4C380K 80009 5 200 4910 00 1 COVER SHIELD PACKING LCD REAR PORYCARBONATE 80009 SHEET TO 5 6 259 A002 01 1 FLEX CIRCUIT A60 LCD I F 80009 7 407 5048 00 1 BRACKET ASSY FRONT COVER STL amp SST MTX100 80009 8 366 A046 00 1 PUSH BUTTON POWER SILVER GRAY ABS 80009 9 384 A222 00 1 EXTENSION SHAFT POWER BUTTON POLYACETAL MTX100 80009 10 671 5978 XX 1 CIRCUIT BD ASSY A35 POWER SW 389 3737 00 WIRED 80009 11 211 0373 00 3 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX 80009 12 671 5977 XX 1 CIRCUIT BD ASSY A30 FRONT PANEL 389 3736 00 WIRED 80009 13 211 0373 00 4 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX 80009 14 260 A148 00 1 SWITCH RUBBER SILICON FRONT PANEL 80009 15 333 A437 00 1 PANEL FRONT KEYBOARD MTX100 POLYCARBONATE TO 25 80009 7 10 RTX130A OAM amp VSB RF Signal Generator Service Manual Replaceable Parts List Figure 7
12. Restoring the IEEE1394b Port Speed Setting The IEEE1394 port speed of the RTX130A 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 Select Start gt Run to open the Run dialog box 2 Enter regedit in the Run dialog box and then click OK The Registry Editor window appears 3 In the Registry Editor window select Edit gt Find to open the Find dialog box 4 Enter SidSpeed in the Find dialog box and then click Find Next 5 In the file list on the right side of the window double click the SidSpeed icon The Edit DWORD Value dialog box appears as shown in Figure 4 26 Edit DWORD Value Value name SidSpeed Value data 3 Figure 4 26 Edit DWORD Value dialog box 6 In the Edit DWORD Value dialog box enter 3 in the Value data text box 4 48 RTX130A QAM amp VSB RF Signal Generator Service Manual Using the Recovery Discs 7 Click OK to close the dialog box and apply the setting change 8 Click the close button on the title bar to close the Registry Editor window RTX130A QAM amp VSB RF Signal Generator Service Manual 4 49 waw T Options Options This section describes options that are available for the RTX130A The following options are available Options Modulation mode optio
13. b In the dialog box set the RF Center Frequency to 450 MHz Select the OK button d Press the PLAY button to output the RF signal Change Tuner Frequency in the Input Card dialog box to 450 MHz on the MPEG transport stream monitor When the status icon in the Tests screen have all turned yellow or green except for disabled or not applicable tests right click the Transport Stream Available status icon and then select Reset Within a minute all status icons turn green Repeat steps 14 and 15 Repeat steps 16 through 19 for the frequency of 750 MHz Disconnect the 75 Q BNC cable from the RTX130A RTX130A QAM amp VSB RF Signal Generator Service Manual 3 29 Performance Verification IEEE1394b Interface This test verifies that the IEEE1394b interface is functioning correctly IEEE1394b hard disk drive IEEE1394b cable 9 pin 9 pin test40 TRP file Equipment required 1 Use the IEEE1394b cable to connect the IEEE1394b connector on the RTX130A to the IEEE1394b hard disk drive See Figure 3 14 RTX130A rear panel m IEEE1394b hard disk drive gs CO oof 00005000 00000000 IEEE1394b cable Figure 3 14 Equipment connection for checking the IEEE1394b interface 2 Select Play Minimize to minimize the RTX130A applicatio
14. ASSEMBLY 2 22AWG 50MM L W CONN 22 01 3027 MOLEX A20 A4 5V STAND BY CABLE ASSEMBLY 7 18AWG 50MM I VHR 10N amp VHR 7N XHP 2 JST P S A20 POWER amp CONTROL CABLE ASSEMBLY 6 18AWG 110MM L W CONN VHR 6N JST P S A20 GND CABLE ASSEMBLY 2 18AWG 130MM I W CONN VHR 5N JST P S A40 CABLE ASSEMBLY 2 18AWG 40MM INLET to A40 INLET A40 LEAD ELECTRICAL 18AWG 4 0 1 5 4 SAFETY CONTROLLED CABLE ASSEMBLY SP ELEC 80 30AWG 5CM L FLAT W CONN YAMAICHI CABLE ASSEMBLY 28AWG FLAT 1 27C TR W CONN D SUB2582X13 DSUB25 CPU CABLE ASSEMBLY 2X10 28AWG FLAT 1MM CTR 130MM L RS232C SLOT PC TO A20 ST CPU A20 RS2 232C CABLE ASSEMBLY 2X5 28AWG FLAT 1MM CTR 120MM L PANNEL SLOT PC TO A20 CPU A20 PANEL CONTROL CABLE ASSEMBLY 14 30AWG 7TWISTED PAIRS 270MM L LVDS SLOT PC TO A20 CPU A20 LCD LVDS CABLE ASSEMBLY 12 18AWG 150MM L SLOT PC POWER CPU A20 CPU POWER CABLE ASSEMBLY 2X22 28AWG FLAT 1MM CTR 350MM L W CONN ATA CABLES CPU A50 DVD IDE CABLE ASSEMBLY 22AWG 180MM L W CONN 22 01 3027 MOLEX DVD ROM POWER ST A20 A50 DVD POWER CABLE ASSEMBLY SP ELEC 10 60CM L 26AWG AND 28 AWG CPU A35 USB CABLE ASSEMBLY 2X15 28AWG FLAT 1MM CTR 300MM L A20 TO A30 CABLE ASSEMBLY 5 26AWG RBN 120MM L W CONN PHR 5 JST A30 A35 RTX130A OAM amp VSB RF Signal Generator Service Manual Mfr code 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80
15. Clock Data Rate 19 392658 Mbps Update Off Source RAM QAM VSB menu BNC Port 310M 8VSB Through Out Off RFOut Off 46 Press the PLAY button on the RTX130A to start playing the Flower trp file 47 Verify that the hierarchic view is displayed on the MPEG analyzer screen In addition verify that the bit rate is 19 392 Mbps and packet size is 188 bytes 48 Click the Record button on the MPEG Player application to record the file 49 After recording is completed press the STOP button on the RTX130A 50 Disconnect the 75 Q BNC cable from the RTX130A and MPEG analyzer RTX130A OAM amp VSB RF Signal Generator Service Manual 3 21 Performance Verification Checking the 8VSB Record Operation 51 Use the 75 Q BNC cable to connect the ASI SMPTE Input connector on the RTX130A to the ASI SMPTE Out connector on the MPEG analyzer See Figure 3 10 MPEG analyzer rear panel MTS430 P RTX130A rear panel
16. Pullution Degree 2 as defined in IEC 61010 1 Note Rated for indoor use only Equipment type Test and Measuring Installation Category as defined in IEC 61010 1 Annex J Pollution Degree 2 as defined in IEC 61010 1 Safety Class grounded product RTX130A QAM amp VSB RF Signal Generator Service Manual s Theory of Operation Vs i s Theory of Operation A12 Main Board PCI Interface Mega FIFO TS Controller This section describes the basic operation of the major circuit blocks or modules in the RTX130A The Diagrams section beginning on page 6 1 includes a block diagram and an interconnect diagram The A12 Main board consists of the following blocks The PCI interface consists of a PCI target and a PCI master The PCI target has three base address register areas The PCI master has two DMA controllers used to transfer data from the A12 Main board to the system memory or from the system memory to the A12 Main board The Mega FIFO has 32 MB for playing and 32 MB for recording a stream data It consists of two 256 megabit synchronous DRAM and FPGA This FIFO is used to compensate for non realtime operation of Windows XP The TS controller consists of the following blocks TS Packet Type Controller This controller sets a packet size of 188 204 208 and Non TS free length as a TS packet type For a Non TS format the controller also sets a packet length 16 255 and data length 16 255 The data
17. RAM Record Size 100 MB SPI ASI 310M menu Input Port BNC BNC Port ASI File menu Save Mode Over write Save E MTXRTX_Test streams Record_Files ASI214Mbps trp 3 16 RTX130A QAM amp VSB RF Signal Generator Service Manual Performance Verification RTX130A rear panel ioo 000059500 00000000 10 On the RTX130A make the following settings 11 12 13 14 15 Play menu Clock Data Rate 214 Mbps Update Off Source RAM QAM VSB menu BNC Port ASI Through Out Off RFOut Off Press the PLAY button on the RTX130A to start playing the test40 T RP 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 Click the Record button on the MPEG Player application to record the file After recording is completed press the STOP button on the RTX130A Disconnect the 75 BNC cable from the RTX130A and MPEG analyzer Checking the ASI Record Operation 16 Use the 75 Q BNC cable to connect the ASI SMPTE Input connector on the RTX130A to the ASI SMPTE Out connector on the MPEG analyzer See Figure 3 7 MPEG analyzer rear panel MTS430 F
18. click or clear Example To power on the RTX130A press the ON STBY switch m Italic text refers to document names or sections Italics are also used in NOTES CAUTIONS and WARNINGS Example The Diagrams section beginning on page 6 1 includes a block diagram and an interconnect diagram Modules Throughout this manual any replaceable component assembly or part of the RTX130A 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 Sometimes a single component is a module For example the chassis of the RTX130A is a module Safety Symbols and terms related to safety appear in the General Safety Summary and Service Safety Summary near the beginning of this manual Finding Other Information Other documentation for the RTX130A includes m The RTX130A QAM amp VSB RF Signal Generator User Manual Tektronix part number 071 1861 00 contains a tutorial to quickly describe how to operate the RTX130A It also includes an in depth discussion on how to use the RTX130A features xiv RTX130A OAM amp VSB RF Signal Generator Service Manual Introduction This manual contains information needed to properly service the RTX130A OAM amp VSB RF Signal Generator as well as general information critical to safe and effective servicing To prevent personal injury or damage to the RTX130A consider the following before attempting s
19. 100 mV RI RI with 100 Q termination 100 Q between differential inputs T 2 T 10 T 1 f f byte clock frequency see Figure 1 1 on page 1 11 T 2 T 10 T 1 f f byte clock frequency data are latched on DCLK rising edge see Figure 1 1 on page 1 11 BNC 75 Q 256 Kbps to 214 Mbps ASI 19 3 Mbps SMPTE310M 800 mV 1096 lt 0 2 Ul p p Past 1 edge lt 1 4 ns Past 2 d edge lt 2 ns Prev 1 edge lt 1 4 ns ASI lt 1 2 ns 20 to 80 SMPTE310M 0 4 ns X 5 ns 20 to 80 ASI lt 17 dB 5 MHz to 270 MHz into 75 Q load SMPTE310M lt 30 dB 5 MHz to 38 7 MHz into 75 Q load 200 mV to 880 mV ASI lt 17 dB 5 MHz to 270 MHz into 75 Q load SMPTE310M lt 17 dB 5 MHz to 38 785316 MHz into 75 Q load Accepts both byte and packet modes RTX130A OAM amp VSB RF Signal Generator Service Manual Specifications Table 1 2 Mainframe Cont Characteristics RF IF output Connector type Output impedance typical Digital modulation standard Description BNC 75 Q DVB T ITU T J8 3 Annex A Option M1 The following parameters conform to the standard Symbol rate 1 Msps to 6 9565 Msps IF output 5 Msps to 6 9565 Msps RF output Modulation 16 64 256QAM Outer cording RS 204 188 Roll off 0 15 ITU T J 83 Annex B Option M2 The following parameters conform to the standard Symbol rate Modulation Outer cording Roll off Interleaving 5 056941 5 360537 Msps 64 256
20. 4 Front panel unit 7 11 RTX130A OAM amp RF Signal Generator Service Manual Replaceable Parts List Replaceable parts list Fig amp index number 7 5 1 Tektronix part Serial no Serial no number effective discontd Qty 119 7123 00 1 671 5980 XX 1 211 0373 00 1 211 A269 00 4 407 5049 00 1 Figure 7 5 DVD drive unit 7 12 Name amp description DISK DRIVE OPTICAL CD RW DVD R RW DVD R RW 16 7 MB SEC 650MEG 8 5GIG IDE ATAPI TEAC MODEL DV W28E 793 CIRCUIT BD ASSY A50 DISK 1 389 3739 00 WIRED SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX SCREW MACHINE M2X4MM L PNHSTL ZN C CROSS REC W FLAT 6MM OD WASHER BRACKET DVD DRIVE MTX100A AL Mfr code 80009 80009 80009 80009 80009 Mfr part number RTX130A OAM amp VSB RF Signal Generator Service Manual Replaceable Parts List Replaceable parts list Fig amp index Tektronix part number number 7 6 1 174 5183 00 2 174 5181 00 3 174 5172 00 4 174 5177 00 5 174 5178 00 6 174 5171 00 7 174 5170 00 8 196 3449 00 9 174 B924 00 10 174 5190 00 11 174 5186 00 12 174 5185 00 13 174 5184 00 14 174 5174 00 15 174 5182 00 16 174 5187 00 17 174 5188 00 18 174 5220 00 19 174 5173 00 Serial no effective Serial no discont d Qty Name amp description CABLE ASSEMBLY 2X20 FLAT 430MM L ULTRA ATA CPU HDD HDD IDE CABLE ASSEMBLY 4 18AWG 60MML HDD POWER HDD A20 POWER CABLE
21. 50 BNC cable to connect the Trig In Out connector on the RTX130A to the oscilloscope CH1 input See Figure 3 1 Oscilloscope TDS5104B pc ue RTX130A rear panel P P 3 Q P rune 50 Q BNC cable Figure 3 1 Equipment connection for checking the internal clock output level 2 Select Play Others on the RTX130A 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 4 In the dialog box set BNC IN OUT to Output and BNC OUT Selection to 27MHz RTX130A OAM amp VSB RF Signal Generator Service Manual 3 5 Performance Verification 5 Set the oscilloscope settings as indicated below Vertical scale 1 V div CH1 Input impedance 50Q Horizontal scale 10 ns div Trigger 50 Acquire mode Average 16 Trigger mode Auto Trigger level 1 20 V Trigger source 1 Trigger slope Rising Edge Input coupling DC High Level Low level 6 Verify that the measured values are as follows High Level gt 2 2V Low Level 0 8V 7 Disconnect the 50 Q BNC cable from the oscilloscope CH1 input
22. 8B 10B serial data U20 MC100EL57 is an output selector It selects one of the four input status low level loop through signal SMPTE310M signal and ASI output 021 CLCO07 is a cable driver It can drive a 75 Q coaxial cable 1 is a VCO for the SMPTE310M receiver The frequency is controlled by an SMPTE310M input signal U22 AD9857 is a quadrature digital up converter and DAC It consists of digital filters quadrature modulator DDS direct digital synthesis and 14 bit DAC The quadrature modulator converts I Q data to real data The 14 bit DAC converts the digital output from the quadrature modulator to an analog signal The low pass filter is connected to the output of AD9857 It is a 7th order elliptic filter and removes Nyquist images RTX130A OAM amp VSB RF Signal Generator Service Manual 2 5 Theory of Operation Buffer Driver and Cable Driver RF Up Converter Power Supply A30 Front Panel Board Front panel Key Interface and LED Control LVDS Receiver for FPD Link Video Inverter Circuit U39 and U40 are buffer drivers AD8131 U42 and U52 are the cable drivers AD8324 The cable driver is gain programmable over a range of 60 dB U44 MT5100 is an RF up converter The converter has the output frequency range of 50 MHz to 860 MHz and output level of 45 dBm to 58 dBm The output level is set using the cable drivers described in the preceding paragraph The power supply consists of U38 U41 L
23. Manual 4 11 Removal and Installation Procedures Printer connector Blank panel A20 PCI Backplane board A180 QAM Modulator board A12 Main board CPU board 3 Board modules Figure 4 RTX130A QAM amp VSB RF Signal Generator Service Manual 4 12 Removal and Installation Procedures 12 V main power supply A40 Distributer board Hard disk drive RFI filter Hard disk drive retainer External fan Internal fan DVD drive Figure 4 4 Internal modules RTX130A QAM amp VSB RF Signal Generator Service Manual 4 13 Removal and Installation Procedures Access Procedure When you have identified the module to be removed for service read General Instructions found on page 4 8 Then use the flowchart in Figure 4 5 to determine which procedures to use for removing the module The removal procedures end with installation instructions Locate the module to j be removed in Procedures for Internal Modules Figure 4 2 to 4 4 ls DVD drive p 4 26 ihe module Hard disk drive p 4 27 in Figure Internal and external fans p 4 29 n Ws 12 V main power supply p 4 31 2 A40 AC Distributer board p 4 31 RFI filter p 4 32 Procedures for External Modules Cabinet p 4 15 Right side cover p 4 16 Is the module in Figure 4 2 Yes Left side cover p 4 16 Front panel unit p 4 18 Front panel assembly p 4 19 Do the procedures Cabinet and Right and Left Covers
24. No condensation Maximum wet bulb temperature 29 C 5 to 90 No condensation Maximum wet bulb temperature 29 C Up to 4 5 km 15 000 feet Maximum operating temperature decreases 1 C each 300 m above 1 5 km Up to 15 km 50 000 feet 2 65 m s rms 0 27 Grms 5 Hz to 500 Hz 10 min three axes 22 3 m s rms 2 28 Grms 5 Hz to 500 Hz 10 min three axes 294 m s 30 G half sine 11 ms duration 100 W maximum Maximum line current is 1 3 Arms at 50 Hz RTX130A QAM amp VSB RF Signal Generator Service Manual Specifications Table 1 4 Environmental characteristics Cont Characteristics Description Surge current lt 12 A peak for less than 5 line cycles at 25 C after product has been off for at least 30 seconds Cooling clearance Top clearance 5 cm 2 in Side clearance 5 cm 2 in Rear clearance 5 cm 2 in Certifications and Compliances Table 1 5 Certifications and compliances Category Standards or description EC Declaration of Conformity Meets the intent of Directive 89 336 EEC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EMC Directive 89 336 EEC EN 55011 EMC requirement for Class A electrical equipment for measurement control and laboratory use EN 61000 3 2 AC Power Line Harmonic Emissions IEC 61000 4 2 Electrostatic Discharge Immunity Performance Criterion B IEC 61000 4 3 RF Electromag
25. and then connect the BNC cable to the CH1 connector on the frequency counter See Figure 3 2 RTX130A rear panel Frequency counter 531814 50 Q BNC cable Figure 3 2 Equipment connection for checking the internal clock frequency 8 Set the frequency counter settings as indicated below MEASURE Frequency1 Gate Time 0 20 s CHANNELAI 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 3 6 RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification 10 In the Ext Trigger BNC dialog box change BNC IN OUT to Input 11 Disconnect the BNC cable from the RTX130A and frequency counter SPI Interface This test verifies that transport stream data is correctly played from and recorded through the SPI In Out connector on the RTX130A MPEG analyzer Parallel interface cable test40 TRP file Equipment required Checking the Play Operation 1 Use the parallel interface cable to connect the SPI In Out connector on the RTX130A to the DVB SPI In connector on the MPEG analyzer See Figure 3 3 MPEG analyzer rear panel MTS430 E RTX130A
26. antistatic wrist strap while handling these modules Perform service of static sensitive modules only at a static free work station 4 Do not allow anything capable of generating or holding a static charge on the work station surface 5 Handle circuit boards by the edges when possible 6 Do not slide the modules over any surface 7 Avoid handling modules in areas that have a floor or work surface covering capable of generating a static charge RTX130A OAM amp VSB RF Signal Generator Service Manual Maintenance Inspection and Cleaning General Care Inspection and Cleaning Procedures A Inspection and Cleaning describes how to inspect for dirt and damage It also describes how to clean the exterior and interior of the RTX130A Inspection and cleaning are done as preventive maintenance Preventive maintenance when done regularly may prevent the RTX130A from malfunctioning and enhance its reliability Preventive maintenance consists of visually inspecting and cleaning the RTX130A and using general care when operating it How often preventative maintenance should be performed depends on the severity of the environment in which the RTX130A is used A proper time to perform preventive maintenance is just before the RTX130A adjustment The cabinet helps keep dust out of the RTX130A and is needed to meet EMI and cooling requirements The cabinet should be in place when operating the RTX130A The front cover protects the f
27. file 11 Verify that PLL unlock error does not occur on the RTX130A 12 Start the TS Compliance Analyzer on the MPEG analyzer 13 In the Open Transport Stream dialog box select Real time Analysis and then make the following settings Interfaces DVB Parallel Interface Settings Time Stamping 14 Click the OK button 15 Verify that the hierarchic view is displayed on the MPEG analyzer screen and that no error messages appear In addition verify that the bit rate is 64 Mbps and the packet size is 188 bytes NOTE Ignore Program 3 and PID 120 0x78 errors in the hierarchical view because these are caused by the original test40 TRP file 16 Change the clock source setting on the RTX130A and output frequency setting on the function generator with the following and then repeat step 15 Clock source setting RTX130A ExtRef 27 Ext Ref 8 126984 MHz Ext P Clk Output frequency setting function generator 27 MHz 8 126984 MHz 8 MHz 17 Change the output frequency of the function generator to 32 MHz 18 Select Play gt Clock on the RTX130A to open the Clock dialog box 19 In the dialog box select Ext S Clk 20 Repeat step 15 and verify that all items in the Priority 1 row are green NOTE Ignore 2 3 a PCR Repetition and 2 5 PTS errors in the Priority 2 row 21 Press the STOP button on the RTX130A to stop the stream output RTX130A OAM amp VSB RF Signal Generator Service Manual P
28. length shows an effective data length in one TS packet Data Valid Controller This block generates a data valid signal that synchronizes with the first byte of a TS packet when stream output is started Psync Controller Psync is a signal to identify the sync byte in a transport stream When the controller is not in the Psync Regeneration mode Psync is recognized as the first byte of a transport stream In this case Psync is output in the constant interval even when the sync byte is rewritten in the value except for 47h For the Super Frame mode Psync is output only once in 384 packets Psync Regenerator This block becomes active when the Psync Regeneration mode is set The block detects the sync byte 47h in a data stream and regener ates a Psync signal The psync generator supports 188 204 208 TS packets only RTX130A QAM amp VSB RF Signal Generator Service Manual 2 1 Theory of Operation Interrupt Controller TS Clock Generator Reference Clocks PCR DTS Updater This block consists of a PCR counter and update logic The PCR counter is a complex counter which consists of a 9 bit counter range 0 299 and 33 bit counter The counter counts the 27 MHz standard frequency The update logic replaces the PCR and PTS DTS values in a transport stream with the sum of the original value and the PCR counter value Receive Rate Counter This 24 bit counter is used for receive rate calculation on recording process When using a d
29. the work surface and its left side is facing you 3 Remove the A40 AC Distributer board See Figure 4 14 on page 4 32 a Disconnect the cables from J100 J110 and J120 b Use a screwdriver with a T 10 Torx tip to remove the three screws securing the A40 AC Distributer board to the chassis c Liftthe board away from the chassis 4 Reinstallation Perform step 3 in reverse order to reinstall the A40 AC Distributer board RTX130A QAM amp VSB RF Signal Generator Service Manual 4 31 Removal and Installation Procedures 12 V main power supply A40 AC Distributer board Figure 4 14 12 V main power supply and A40 AC Distributer board removal RFI filter 1 Assemble equipment and locate modules to be removed a You need a screwdriver handle a T 10 Torx tip and a T 15 Torx tip b Locate the RFI filter in the locator diagram Internal modules Figure 4 4 page 4 13 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its rear is facing you 3 Remove the RFI filter See Figure 4 15 a Disconnect the two cables from the RFI filter b Usea screwdriver with a T 15 Torx tip to remove the screw securing the ground lead to the chassis 4 32 RTX130A QAM amp VSB RF Signal Generator Service Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Removal and Installat
30. 0 QAM Modulator Board A30 Eront Panel Board gutter diet tege SON A35 Power Switch Boat mer yanis eet pest NO banky te A40 AG Distributer Board egt s OUO eie IVE Board u nan e vate are EE A Dus UG M ee ELE d Performance Verification Equipment Required ioi dk ET ERRARE ELDER Seale eh REXI30A Test Record esee teer vex ex eve HDI EISE hasa Procedures ibus sev RR RR e REOR E E RTX130A OAM amp VSB RF Signal Generator Service Manual xiii xiii xiv XV xvi 2 1 2 3 2 4 2 6 2 6 2 7 2 7 3 1 3 3 3 4 Table of Contents Maintenance Related Maintenance Procedures 4 1 Preparati n uapa qepa T 4 2 Inspection and Cleaning L u u 4 3 Removal and Installation Procedures 4 7 Preparation coc ke epe eR RI UR UR eeu RR e UR I n 4 7 ACCESS Procedute yu ds tena UU EG LER EAT EIER Ae ass 4 14 Procedures for External Modules 4 15 Procedures for Board Modules 4 21 Procedures for Internal Modules 4 26 Setting the BIOS Configuration 4 35 Procedure zu vs xeu ble A Heu us 4 35 Troubleshooting re Re ee veg 4 37 Troubleshooting Trees so
31. 009 80009 80009 80009 Mfr part number 7 13 Replaceable Parts List Power supply N 2 Q Hard disk drive Figure 7 6 Cables RTX130A QAM amp RF Signal Generator Service Manual 7 14 Replaceable Parts List Replaceable parts list Compo nent Tektronix number part number 071 1861 XX 071 1862 XX 063 3864 XX 063 3865 XX 063 3866 XX 063 3781 XX 012 A220 00 119 6936 00 119 B146 00 200 4853 00 161 0066 00 161 0066 09 161 0066 10 161 0066 13 161 0066 12 161 0154 00 161 0298 00 161 0304 00 071 1863 XX Serial no effective Serial no discont d Qty Name amp description STANDARD ACCESSORIES MANUAL TECH USER RTX130A ENGLISH OPTION 10 MANUAL TECH USER RTX130A JAPANESE OPTION L5 SOFTWARE PKG WINDOWSXP PROFESSIONAL RECOVERY DVD ROM SOFTWARE PKG SAMPLE STREAMS CD ROM SOFTWARE PKG APPLICATION SOFTWARE RECOVERY CD ROM SOFTWARE PKG NERO CD DVD BURNING SOFTWARE CD ROM CABLE INTCON D SUB 25 MALE TO MALE STR TWIST 2M L SCREW 4 40 POINTER ASSY OPTICAL MOUSE USB WHITE OPTICAL THREE BUTTON WHEELED W USB to PS2 ADAPTER ABS SAFETY CONTROLLED KEYBOARD USB MTX100 SAFETY CONTROLLED COVER FRONT PROTECTIVE PC ABS FR110 W TAPE TV GRAY CABLE ASSY PWR 3 18 AWG 250V 10A 98 0 LSTR IEC320 RCPT X NEMA 5 15P US SAFETY CONTROLLED CABLE ASSY PWR 3 0 75MM SQ 250V 10A 99 0 L STR IEC320 RCPT EUROPEAN SAFETY CONTROLLED CAB
32. 2 1 2 PROCESSOR VERSION CERTIFICATE OF AUTHENTICITY SHIELD ELEC COVER RIGHT MTX100A AL SCREW MACHINE 6 32X0 25 FLH 100 DEG STL ZN CM1 T10 TORX Mfr code 80009 80009 80009 80009 80009 80009 80009 80009 Mfr part number RTX130A OAM amp VSB RF Signal Generator Service Manual Replaceable Parts List 1 Cabinet and covers Figure 7 T 5 RTX130A OAM amp VSB RF Signal Generator Service Manual Replaceable Parts List Replaceable parts list Fig amp index Tektronix part Serial no Serial no Mfr number number effective discontd Qty amp description code Mfr part number 7 2 1 211 0734 00 2 SCREW MACHINE 6 32X0 25 FLH 100 DEG STL ZN CM1 80009 T10 TORX 2 211 0373 00 2 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX 80009 3 343 1708 00 1 RETAINER HARD DISK DRIVE W POLYURETHANE 80009 MTX100A AL 4 211 0734 00 2 SCREW MACHINE 6 32X0 25 FLH 100 DEG STL ZN CM1 80009 T10 TORX 5 211 0734 00 2 SCREW MACHINE 6 32X0 25 FLH 100 DEG STL ZN CM1 T10 80009 TORX 6 386 7460 00 1 PLATE HDD AL 80009 7 650 4862 00 1 HARD DISK DRIVE 160GB 3 5 INCH 7200RPM ATA 100 80009 8 211 0373 00 3 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX 80009 9 671 5979 00 1 CIRCUIT BD ASSY A40 SUB POWER 389 3738 00 WIRED 80009 10 342 1138 00 1 INSULATOR CKT BOARD POLYCARBONATE A40 BOARD 80009 11 211 0373 00 4 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX 80009 12 119 7147 00 1 POWER SUPPLY 85V 264VAC IN 12V
33. 2 Main board as described on page 4 23 c Remove the CPU board as described on page 4 23 d Disconnect these cables 4 24 The cable from the A40 AC Distributer board at J220 The cable from the 12 V main power supply at J160 and J170 The cable from the external fan at J190 RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures W The cable from the internal fan at J180 m The cables from the A30 Front Panel board at J240 and J250 W The cable from the hard disk drive e Use a screwdriver with a T 10 Torx tip to remove the ten screws securing the A20 PCI Backplane board to the chassis f Liftthe board up and away from the chassis 4 Reinstallation Do step 3 in reverse order to reinstall the A20 PCI Backplane board Printer Connector 1 Assemble equipment and locate modules to be removed a You need screwdriver with a 1 4 inch nut driver b Locate the connector in the locator diagram Board modules Figure 4 3 page 4 12 2 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its rear is facing you 3 Remove the Printer connector See Figure 4 10 on page 4 22 a Remove the 180 QAM Modulator board as described on page 4 23 b Remove the A12 Main board as described on page 4 23 c Disconnect the cable from CN3 on the CPU board d Usea 4 inch nut driver to unscrew the two hex headed mounting posts securing the connector to the ch
34. 256QAM lt 2 5 RMS 50 MHz to 750 MHz 45 dBmV to 52 dBmV lt 3 1 RMS 50 MHz to 860 MHz gt 52 dBmV 64QAM lt 2 7 RMS 50 MHz to 750 MHz 45 dBmV to 52 dBmV lt 3 3 RMS 50 MHz to 860 MHz gt 52 dBmV 16QAM lt 3 0 RMS 50 MHz to 750 MHz 9 45 dBmV to 52 dBmV lt 3 8 RMS 50 MHz to 860 MHz gt 52 dBmV 256QAM lt 2 5 RMS 50 MHz to 750 MHz 45 dBmV to 52 dBmV lt 3 1 RMS 50 MHz to 860 MHz gt 52 dBmV 64QAM lt 2 7 RMS 50 MHz to 750 MHz 9 45 dBmV to 52 dBmV lt 3 3 RMS 50 MHz to 860 MHz gt 52 dBmV 64QAM lt 2 7 RMS 50 MHz to 750 MHz 45 dBmV to 52 dBmV lt 3 3 RMS 50 MHz to 860 MHz gt 52 dBmV gt 27 0 dB 190 MHz to 860 MHz 45 dBmV to 52 dB mV gt 25 0 dB 190 MHz to 860 MHz gt 52 dB mV gt 25 0 dB lt 190 MHz 45 dB mV to 58 dBmV 12 dB 50 MHz to 860 MHz 36 MHz 44 MHz 35 dBmV 256QAM 0 8 RMS 64QAM 0 9 RMS 16QAM 0 9 RMS symbol rate gt 1 IF frequency 36 MHz 256QAM lt 0 8 RMS 64QAM 0 9 RMS IF frequency 36 MHz RTX130A OAM amp VSB RF Signal Generator Service Manual Specifications Table 1 2 Mainframe Cont Characteristics Description EVM ITU T J 83 Annex C 640 lt 0 9 RMS and Annex C for JCTEA symbol rate gt 1 Msps IF frequency 36 MHz SN 8VSB gt 34 dB IF frequency 36 MHz Return loss lt 20 dB 5 MHz to 44 MHz VGA output Connector
35. 40 regulators 0130 and U230 and IEEE1394b connector J140 RTX130A OAM amp VSB RF Signal Generator Service Manual 2 3 Theory of Operation A180 QAM Modulator Board Figure 2 1 shows the block diagram of the A180 OAM Modulator board 27MHz 27M Base Xtal Clock 27MHz TCXO Clock Local Clock TS Data 12 TS Clock cso CS1 CS2 PLX PCI9030 Symbol Clock E Generator NEN Xilinx Digital Modulator RF Out ASI SSI Transmitter Receiver X SRAM Converter Low Pass RF Up Converter DAC Filter E AD9857 PCI Local Clock Clock ASI SMPTE Output Data ASI Clock Write Strobe Transmitter Cable Driver pE VF SSI VCO PLL ASI SMPTE Input Cable __ Receiver Equalizer wm EZ 8 gt o 18 0 3 8 amp AD8324 IF Out Cable Driver AD8324 A180 QAM Modulator Board Figure 2 1 Block diagram of the A180 QAM Modulator board PCI Interface Digital Modulator SRAM U3 PLX PCI9030 is a PCI target device The application software controls the A180 board via PCI 9030 An EEPROM U4 is connected to PCI 9030 and it contains the PCI configuration data for the A180 board U37 Xilinx Spartan 3 XC3S1500 4 is a re configurable device that is config ured via the PCI bus The application software configures the device as an ITU T J 83 Annex A B C C JCTEA or ATSC 8 VSB modulator U13 is a 128 K by 36 bit synchronous pipelined burst SRAM T
36. DC 12 5A OUT 80009 LEA150F 12 R COSEL 13 211 0711 00 1 SCR ASSEM WSHR 6 32X0 250 PNH STL CDPL T 15 TORX 80009 DR MACHINE W SQ CONE WASHER 14 196 3496 00 1 LEAD ELECTRICAL 18 AWG 4 0 1 5 4 SAFETY CON 80009 TROLLED 15 119 6009 00 1 FILTER RFI 3A 250VAC 0 5 MA 0 150HM SAFETY 80009 CONTROLLED 16 211 0372 00 2 SCREW MACHINE 4 40X0 312 PNH STL ZN CM1 T10 TORX 80009 17 200 4974 00 1 COVER FAN REAR MTX100A AL 80009 18 211 1161 00 4 SCREW MACHINE 4 40X1 500 PNH HEAD T 10 TORX 80009 ZINC PL 19 119 7186 00 1 CABLE ASSEMBLY 4 18AWG 60MM L HDD POWER 80009 40 SQ FAN 20 335 1371 00 1 MARKER IDENT MKD CONNECTORS FOR A180 RTX130A 80009 21 335 1364 00 1 MARKER IDENT MKD CONNECTORS FOR 12 80009 POLYCARBONATE 22 335 1363 00 1 MARKER IDENT MKD CONNECTORS PRINTER amp IEEE1394B 80009 POLYCARBONATE 23 335 1362 00 1 MARKER IDENT MKD CONNECTORS FOR CPU BD 80009 POLYCARBONATE 24 335 0133 00 1 MARKER IDENT BLANK LABEL FOR MES LINES 80009 THT 37 483 10MONOCHROME DISPLY TDS300 TDS400 SERIES SAFETY CONTROLLED 25 441 2404 00 1 CHASSIS ASSY MAIN MTX100A AL 80009 26 210 0164 00 2 RIVET SOLID 0 163 ODX0 415 L PANEL RANGE HEAD 80009 STYLE NYLON 27 119 7187 00 1 FAN 119569400 W CABLE 18CM L 92 SQ FAN 80009 28 211 0373 00 2 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX 80009 7 6 RTX130A QAM amp VSB RF Signal Generator Service Manual Replaceable Parts List page 7 12 for detailed See Figure 7 5 on view DVD drive Fron
37. E V the securely installed into the card slots seine m Replace the A20 PCI Backplane board dialog box m Replace the A180 QAM Modulator board Figure 4 16 Troubleshooting procedure 1 4 38 RTX130A OAM amp VSB RF Signal Generator Service Manual Troubleshooting Does the IEEE1394b No Replace the A20 PCI Backplane interface work board Can a stream data No be output from the SPI To D page 4 44 In Out connector Can a stream data be No acquired from the SPI To E page 4 45 In Out connector Can a stream data No be output from the ASI SMPTE Output connector m Check that the A180 QAM Modulator Can a stream data No board is securely installed into the card be acquired from the slot ASI SMPTE Input connector m Replace the A180 QAM Modulator board Figure 4 17 Troubleshooting procedure 2 RTX130A QAM amp VSB RF Signal Generator Service Manual 4 39 Troubleshooting Connect a QAM VSB receiver to the RF Out connector and play the flower trp file Mode Play Fixed ES On Modulation J83A 64QAM 5 Msps J83B 64QAM J83C 5 Msps ATSC 8 VSB RF Output On BNC Port ASI Can an RF signal be No output from the RF Out connector Connect a transport stream generator to the ASI SMPTE Input connector and play the flower trp file on the generator Mode Record Modulation J83A 64QAM 5 Msps J83B 64QAM J83C 5 M
38. LE ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER STR IEC320 RCPT X 13A FUSED UK PLUG 13A FUSE UNITED KINGDOM SAFETY CONTROLLED CABLE ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER STR IEC320 RCPT AUSTRALIA SAFETY CONTROLLED CABLE ASSY PWR 3 18 AWG 250V 10A 98 0 L STR RCPT X NEMA 6 15P US SAFETY CONTROLLED CABLE ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER STR IEC320 RCPT SWISS SAFETY CONTROLLED CABLE ASSY PWR 3 125V 7A JAPAN 98 LONG STR NEMA 5 15P PLUG X IEC320 C 13 RECEPTACLE SAFETY CONTROLLED CABLE ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER STR IEC320 3C CERTIFICATION RCPT CHINA SAFETY CONTROLLED OPTIONAL ACCESSORIES MANUAL TECH SERVICE RTX130A 1700F05 SIDE BY SIDE RACK ADAPTER 1700F06 BLANK PANEL RTX130A QAM amp VSB RF Signal Generator Service Manual Mfr code 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 3109 3109 3109 3109 2W733 3109 3109 80009 80009 80009 Mfr part number 7 15 Replaceable Parts List 7 16 RTX130A OAM amp VSB RF Signal Generator Service Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com
39. N UK CR emt qp asia x Y o HELME Se ss C154 L130 78718 vy ze C711 XX xx KM Kx X onito foa RIP PES EIUS ae L140 c713 19 C160 C161 c162 f amo O tette EIS C712 MH11 J 3 3 4 EN 160 DE LJ U aooooooaaoooa00 C164 E PEE J230 B ol 84 OH C163 A C75 O Q T F120 Filio aol m gt gt loo BO too oorn W Er 200 m 9 2o NEN ERR 7 78 mm E eoo Hooooeo ee eee ER o o J240 TS C7 58 x O l III UE A Ill O N Figure 4 25 A20 PCI Backplane board view right side 4 46 RTX130A QAM amp VSB RF Signal Generator Service Manual Using the Recovery Discs If the RTX130A does not boot you can reboot the RTX130A by using the recovery discs provided with the instrument Use the procedures in this section to reinstall the Windows XP operating system and the RTX130A application software Reinstalling Windows XP NOTE Before beginning this procedure connect the keyboard and mouse provided with the instrument to the front panel USB connectors Perform the following procedure to reinstall the Windows XP operating system 1 Ins
40. OM Third Boot Device HDD 0 Advanced Chipset Features Boot Display CRT LFT Integrated Peripherals Super IO Device Onboard FDC Controller Disabled Onboard Serial Port 2 Disabled Onboard Serial Port 4 Disabled RTX130A QAM amp VSB RF Signal Generator Service Manual 4 35 Setting the BIOS Configuration PC Health Status CPU Warning Temperature 66 C 151 F Shutdown Temperature 70 C 158 F 6 Use the arrow keys to select Save amp 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 4 36 RTX130A OAM amp VSB RF Signal Generator Service Manual aas Troubleshooting This subsection contains troubleshooting trees designed to isolate faulty modules in the RTX130A Troubleshooting Trees Figures 4 16 through 4 25 show the troubleshooting procedure for the RTX130A RTX130A QAM amp VSB RF Signal Generator Service Manual 4 37 Troubleshooting Press the ON STBY power Switch on the front panel Does the RTX130A To A page 4 41 power on Does the LCD display light To B page 4 43 Does m Replace the CPU board m Replace the hard disk drive normally m Make the BIOS setting again Does the RTX130A application start To C page 4 44 up normally m Check that the A12 Main board and the A180 QAM Modulator board are the OM PO
41. Orient the instrument Set the RTX130A so its bottom is down on the work surface and its right side is facing you RTX130A QAM amp VSB RF Signal Generator Service Manual 4 23 Removal and Installation Procedures 3 Remove the CPU board See Figure 4 10 on page 4 22 a Disconnect these cables The cable from the hard disk drive at The cable from the Printer connector at CN3 The cable from the A50 Disk I F Board at CN4 The cable from the A20 PCI Backplane board at CN5 CN6 CN9 and CN14 The cable from the A35 Power Switch board at CN7 b Usea screwdriver with a T 10 Torx tip to remove the two screws securing the board bracket to the chassis See Figure 4 10 on page 4 22 c Grasp the board and slide it out 4 Reinstallation Do step 3 in reverse order to reinstall the CPU board NOTE After you replace the CPU board you must set the BIOS configuration Refer to Setting BIOS Configuration on page 4 35 A20 PCI Backplane Board 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the A20 PCI Backplane board in the locator diagram Board modules Figure 4 3 on page 4 12 2 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its right side is facing you 3 Remove the A20 PCI Backplane board See Figure 4 10 on page 4 22 a Remove the 180 QAM Modulator board as described on page 4 23 b Remove the A1
42. QAM RS 128 122 0 18 0 12 Level 1 64 QAM only 1 128 J 1 Level 2 1 128 J 1 Control Word 0001 1 64 J 2 0011 l 32 J 4 0101 16 J 8 0111 J 16 1001 J 1 0000 J 2 0010 3 0100 4 0110 5 1000 6 1010 7 1100 8 1110 TT W W H H H H H T 1 Ll Ll llc CO CO CO CO CO CI CI CO C OC ITU T J 83 Annex C Option M3 The following parameters conform to the standard Symbol rate 1 Msps to 5 3097 Msps IF output 5 Msps to 5 3097 Msps RF output Modulation 64QAM Outer cording RS 204 188 Roll off 0 13 ITU T J 83 Annex C JCTEA The following parameters conform to the standard Symbol rate 5 274 Msps Modulation 64QAM Outer cording RS 204 188 Roll off 0 13 RTX130A OAM amp VSB RF Signal Generator Service Manual 1 7 Specifications Table 1 2 Mainframe Cont Characteristics RF output Frequency Output amplitude typical EVM ITU T J 83 Annex A EVM ITU T J 83 Annex B EVM ITU T J 83 Annex and Annex C for JCTEA SN 8VSB Return loss IF output Frequency Output amplitude EVM ITU T J 83 Annex A EVM ITU T J 83 Annex B Description ATSC Option M4 The following parameters conform to the standard Symbol rate 10 762237 Msps Modulation 8VSB Outer cording RS 187 207 Roll off 0 1152 50 MHz to 860 MHz setting resolution 12 5 kHz steps 45 dBmV to 58 dBmV setting resolution 1 dB steps
43. T1370 U43 U45 LT1372 U47 U49 and U50 U41 is a part of the 7 V switching power supply U43 is a linear voltage regulator that generates a 6 V from 7 V The RF up converter uses the voltage U 50 is a linear voltage regulator that generates 5 V from 7 V Maximum current of the 6 V regulator is 1 5 A and that of the 5 V regulator is 0 5 A U38 is a linear voltage regulator that converts 45 V to 4 3 3 V U45 is a part of 14 V switching power supply U47 is a linear voltage regulator that generates 12 V from 14 V and it supplies 12V to the SMPTE310M VCO U 49 is a negative regulator that generates 5 V from 12 V The A30 Front Panel board consists of the front panel processor circuit LVDS receiver for FPD flat panel display link video inverter circuit rubber contact switches three connectors and three LEDs The state of the front panel keys are read by the one chip processor on the board and any setting changes are reported to the SBC through COM2 The processor also controls the LED on off state The LVDS receiver converts the four LVDS data streams back into 28 parallel bits of CMOS TTL data 24 bits of RGB and 4 bits of Hsync Vsync DE and CNTL The video inverter circuit consists of an FPGA and SRAM The circuit converts the display data upside down because the LCD display is attached to the chassis upside down A35 Power Switch Board The A35 Power Switch board is connected to the A20 PCI Backplane board thr
44. TX130A rear panel oos 75 BNC cable Figure 3 9 Equipment connection for verifying the 8VSB play operation 41 Start the MPEG Player application on the MPEG analyzer 42 Set the application to the Record mode 3 20 RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification 43 Set the MPEG analyzer settings as indicated bellow Record menu Source SPI ASI 310M Target RAM Record Size 100 MB SPI ASI 310M menu Input Port BNC BNC Port 310M File menu Save Mode Over write Saves eer EMMTXRTX Test streams Record_Files 8S310M trp 44 Open the Flower trp file on the RTX130A a Select File Open to open the Select File dialog box b In the dialog box navigate to the D 525 directory and then select the Flower trp file 45 On the RTX130A make the following settings Play menu
45. Test Equipment Depot Service Manual 1 800 517 8431 Tektronix RTX130A QAM amp VSB RF Signal Generator 071 1863 00 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com qu rw www lt w www w w Table of Contents Specifications Theory of Operation General Safety Summary Service Safety Summary Environmental Considerations Introduction is vos sss V isa dee aN Sie we eee Performance Check 1 Strategy for Servicing eee eee rh hah nn Tektronix Service Offerings Product Overview Specifications ss Sees o Re Re e exi e rea aN WQ TES Performance Conditions eriein a ee eee eee Functional Specifications aoo Aieri ae eee kiyuk AE Electrical Specifications eee ene Mechanical Physical Characteristics Environmental Characteristics Certifications and Compliances seereis aeniei eee eee A12 Main Board siehst rupe pr ated squa pak A20 PCI Backplane Board a esee qe deu gos e s ERR A18
46. YT RLYZ2RLY3RLY4 REYS Z Z qmm om ma mmm mr qw we m mmo 115 b 125 byte irar 9 1 Corta 5 isao 21 Transport 22CRC 23a PCA Repetition 2 3b PCR Dincortinity Indicator 2 4 PCR Accuracy 25PIS vvvvevvivevvevivev 2 Lih Acw WD 325 Su les lito D rows 1 s J Sabos perme Ipsi cane Figure 3 13 Tests Grouped by Priority 12 3 screen Annex A NOTE Some status icons may turn white by themselves This is acceptable and indicates that these tests do not apply PIDs screen only for the ATSC standard Unref PID test should be disabled 13 When the status icon in the Tests screen have all turned yellow or green except for disabled or not applicable tests right click the Transport Stream Available status icon and then select Reset Within a minute all status icons turn green 14 Click the Input Card button on the Configuration screen RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification 15 16 17 18 19 20 21 Verify that the measurement values are as follows wait few minutes until the values become stable EVM QAM A B C lt 2 7 EVM 8 VSB lt 4 5 Change RF Center Frequency to 450 MHz on the RTX130A a Select QAM VSB gt Modulation to open the Modulation dialog box
47. afi n 1 5 4006 A Rea 3 16 Figure 3 7 Equipment connection for checking the ASI record Operation Q EE eate aie Gla le e e Rh n cr TR T Vie 3 17 Figure 3 8 Equipment connection for checking the recorded file ASLinterface u ours ee ven eria UR 3 19 Figure 3 9 Equipment connection for verifying the 8VSB play Dusche EE 3 20 Figure 3 10 Equipment connection for verifying the 8VSB record rh ham RARE RE ra hrs a 3 22 Figure 3 11 Equipment connection for verifying the recorded file SMPTE310M interface 3 23 Figure 3 12 Equipment connection for checking the output for GEFOES EORR E Ee 3 26 Figure 3 13 Tests Grouped by Priority 1 2 3 screen Annex A 3 28 Figure 3 14 Equipment connection for checking the IEEE1394b interface EN 3 30 Figure 4 1 RTX130A orientation 4 10 Figure 4 2 External modules 4 11 Figure 4 3 Board modules 4 12 Figure 4 4 Internal modules 4 13 Figure 4 5 Guide to removal procedures 4 14 Figure 4 6 Cabinet removal 4 16 RTX130A OAM amp VSB RF Signal Generator Service Manual iil Table of Contents Figure 4 7 Right side and left side cover removal Figure 4 8 Front panel unit removal
48. assis e Pull the connector away from the chassis 4 Reinstallation Perform step 3 in reverse order to reinstall the Printer connector RTX130A QAM amp VSB RF Signal Generator Service Manual 4 25 Removal and Installation Procedures Procedures for Internal Modules Perform the Access Procedure on page 4 14 before doing any procedure in this group The procedures are DVD Drive 1 4 26 DVD drive Hard disk drive Internal and external fans 12 V main power supply A40 AC Distributer board RFI filter Assemble equipment and locate modules to be removed a You need a screwdriver with a T 10 Torx tip b Locate the DVD drive in the locator diagram Internal modules Figure 4 4 page 4 13 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its front is facing you Remove the DVD drive See Figure 4 11 a Remove the front panel unit as described on page 4 18 b Disconnect the cables from J100 and J120 on the A50 Disk I F board Use a screwdriver with a T 10 Torx tip to remove the two screws securing the DVD drive mount bracket to the chassis d Lift up the DVD drive with the bracket and A50 Disk I F board from the chassis Remove the DVD drive from the bracket and the board Remove the four screws securing the DVD drive to the bracket and the board Reinstallation Perform steps 3 and 4 in reverse order to reinstall the DVD drive RTX130A OAM amp VSB RF Signal Gener
49. ata valid signal DVALID the counter counts byte data rate When not using DVALID the counter counts receive clock Transmit Byte Counter This 32 bit counter counts transmitted bytes This counter can be read by the control software 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 RTX130A application software At power on all interruptions are disabled The TS clock generator consists of a VCO Voltage Control Oscillator phase detector frequency divider The VCO is used for generating a TS clock and it covers frequencies of 400 MHz to 800 MHz The frequency divider divides the clock by 65536 to 1 The reference clocks consist of 27 MHz TCXO and half divided output of 54 MHz clock generator These clocks are used to compare the frequency of the TS Clock Generator RTX130A OAM amp VSB RF Signal Generator Service Manual Theory of Operation A20 PCI Backplane Board PCI and ISA Connectors ATX Power Control Circuit Interconnect Circuit Fan Speed Control Circuit IEEE1394b Interface The A20 PCI Backplane board consists of the following connectors and circuitries The J100 J110 and J120 connectors are PCI slots for 5 V The J130 connector is a PCI slot for 3 3 V and is reserved in the future The J100 connector is the sy
50. ator Service Manual Removal and Installation Procedures DVD drive unit A50 Disk I F board Figure 4 11 DVD drive removal Hard Disk Drive 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the hard disk drive in the locator diagram Internal modules Figure 4 4 page 4 13 2 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its left side is facing you 3 Remove the hard disk drive See Figure 4 12 on page 4 28 a Disconnect two cables from the hard disk drive b Usea screwdriver with a T 10 Torx tip to remove the two screws securing the hard disk drive retainer to the chassis c Remove the two screws securing the plate to the hard disk drive RTX130A QAM amp VSB RF Signal Generator Service Manual 4 27 Removal and Installation Procedures d 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 5 amp Hard disk drive unit 3 T d Plate S d Hard disk drive retainer Figure 4 12 Hard disk drive removal 4 28 RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures Doing the Performance Verification and Running Sysprep If y
51. bps trp file 24 Verify that the hierarchic view is displayed on the RTX130A screen In addition verify that the bit rate is 214 Mbps and packet size is 188 bytes 25 Press the REC button on the RTX130A to record the file 26 After recording is completed click the Stop button on the MPEG analyzer 27 Exit the MPEG Player application on the MPEG analyzer 28 Disconnect the 75 Q BNC cable from the RTX130A and MPEG analyzer 3 18 RTX130A QAM amp VSB RF Signal Generator Service Manual Performance Verification Checking the Recorded File 29 Use the 75 Q BNC cable to connect the ASI SMPTE Output connector on the RTX130A to the ASI SMPTE In connector on the MPEG analyzer See Figure 3 8 MPEG analyzer rear panel MTS430 P RTX130A rear panel 75 BNC cable Figure 3 8 Equipment connection for checking the recorded file ASI
52. cator diagram Board modules Figure 4 3 on page 4 12 2 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its right side is facing you 3 Remove the output board See Figure 4 10 on page 4 22 a Disconnect the cable from the A12 Main board b Usea screwdriver with a T 10 Torx tip to remove the two screws securing the board bracket to the chassis See Figure 4 10 on page 4 22 Grasp the board and slide it out 4 Reinstallation Do step 3 in reverse order to reinstall the output board A12 Main Board 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the A12 Main board in the locator diagram Board modules Figure 4 3 on page 4 12 2 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its right side is facing you 3 Remove the A12 Main board See Figure 4 10 on page 4 22 a Disconnect the cable from the A180 QAM Modulator board b Use a screwdriver with a T 10 Torx tip to remove the two screws securing the board bracket to the chassis See Figure 4 10 on page 4 22 c Grasp the board and slide it out 4 Reinstallation Do step 3 in reverse order to reinstall the 12 Main board CPU Board 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the CPU board in the locator diagram Board modules Figure 4 3 on page 4 12 2
53. connecting device disconnect the mains power by means of the power cord RTX130A OAM amp VSB RF Signal Generator Service Manual vii General Safety Summary viii Symbols and Terms A A Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product A CAUTION WARNING Double Protective Ground Not suitable for Refer to Manual High Voltage Insulated Earth Terminal connection to the public telecom munications network RTX130A QAM amp VSB RF Signal Generator Service Manual EEE ee Service Safety Summary Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid an
54. d resuscitation is present Disconnect Power To avoid electric shock disconnect the mains power by means of the power cord or if provided the power switch 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 RTX130A QAM amp VSB RF Signal Generator Service Manual ix wa rr w Environmental Considerations Product End of Life Handling Restriction of Hazardous Substances This section provides information about the environmental impact of the product Observe the following guidelines when recycling an instrument or component Equipment Recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately The symbol shown to the left indicates that this product complies with the European Union s requirements according to Directive 2002 96 EC on waste
55. doing any procedure in this group The procedures are Top Frame and Board 1 Retainers Top frame and board retainers 180 QAM Modulator board A12 Main board CPU board A20 PCI Backplane board Printer connector Assemble equipment and locate modules to be removed W You need a screwdriver with a T 10 Torx tip Orient the instrument Set the RTX130A so its bottom is down on the work surface and its right side is facing you Remove the board retainers See Figure 4 10 on page 4 22 a Use a screwdriver a T 10 Torx tip to remove the two screws securing the board retainers to the chassis b Lift the retainers away from the chassis Remove the top frame See Figure 4 10 on page 4 22 a Use a screwdriver with a T 10 Torx tip to remove the three screws securing the top frame to the chassis b Lift the top frame away from the chassis RTX130A QAM amp VSB RF Signal Generator Service Manual 4 21 Removal and Installation Procedures Top frame Board retainer A20 PCI Backplane board A12 Main board CPU board Figure 4 10 A180 QAM Modulator board A12 Main board CPU board and A20 PCI Backplane board removal 4 22 RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures A180 QAM Modulator Board Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the 180 OAM Modulator board in the lo
56. e Cover Left Side Cover QHD Figure 4 6 Cabinet removal 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip b Locate the right side cover in the locator diagram External modules Figure 4 2 on page 4 11 2 Orient the instrument Set the RTX130A 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 See Figure 4 7 4 Remove the right side cover from the chassis 5 Reinstallation Perform steps 3 and 4 in reverse order to reinstall the right side cover 1 Assemble equipment and locate module to be removed a You need a screwdriver with a T 10 Torx tip RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures b Locate the left side cover in the locator diagram External modules Figure 4 2 on page 4 11 2 Orient the instrument Set the RTX130A so its right side is down on the work surface and its front is facing you 3 Usea 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 See Figure 4 7 4 Remove the left side cover from the chassis 5 Reinstallation Perform steps 3 and 4 in reverse order to reinstall the left side cover HLL
57. ect File dialog box b In the dialog box navigate to the D Record Files directory and then select the 310M trp file Select Play gt Update gt On Press the PLAY button to start playing the file Start the TS Compliance Analyzer on the MPEG analyzer In the Open Transport Stream dialog box select Real time Analysis and then make the following settings Interfaces ASI Interface Settings Time Stamping Verify that the hierarchic view is displayed on the MPEG analyzer screen and that no error messages appear In addition verify that the bit rate is 19 392 Mbps and that the packet size is 188 bytes NOTE gnore 3 4 a Unref PID error in the Priority 3 row 72 73 74 Press the STOP button on the RTX130A to stop the stream output Disconnect the 75 Q BNC cable from the RTX130A and MPEG analyzer Delete the Record Files folder on the D drive of the RTX130A RF Output This test verifies the RF output If the RTX130A has more than one modulation option then repeat this procedure for each option The following equipment is required for this test Equipment required 3 24 MPEG transport stream monitor PC for controlling the MPEG transport stream monitor Two 20 dB attenuators 75 2 BNC Fe to F Ma adapter 75 BNC cable Crossover Ethernet cable Flower trp file RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification Initial Setup for the RTX130A
58. electrical and electronic equipment WEEE For information about recycling options check the Support Service section of the d Tektronix Web site www tektronix com Mercury Nortification This product uses an LCD backlight lamp that contains mercury Disposal may be regulated due to environmental considerations Please contact your local authorities or within the United States the Electronics Industries Alliance www eiae org for disposal or recycling information This product has been classified as Monitoring and Control equipment and is outside the scope of the 2002 95 EC RoHS Directive This product is known to contain lead cadmium mercury and hexavalent chromium RTX130A OAM amp VSB RF Signal Generator Service Manual xi ENSE SU Preface This is the service manual for the RTX130A OAM amp VSB RF Signal Generator This manual contains information needed to service an RTX130A to the module level Manual Structure This manual is divided into sections such as Specifications and Theory of Operation Furthermore some sections are divided into subsections such as Product Description and Removal and Installation Procedures Sections containing procedures also contain introductions to those procedures Be sure to read these introductions because they provide information needed to do the service correctly and efficiently The following are brief descriptions of each manual section W Specifications contains a description o
59. erformance Verification 22 Select Play Clock on the RTX130A 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 25 Press the On button of the Ch2 output on the function generator to start the signal output 26 Select Play Others on the RTX130A to open the Others dialog box 27 In the dialog box set Ext Play Start to Rise 28 Verify that the RTX130A starts playing when the Output menu is set to Invert on the function generator 29 Press the STOP button on the RTX130A to stop the stream output 30 Press the On button of the Ch2 output on the function generator to stop the signal output 31 Return Ext Play Start to Off on the RTX130A 32 Disconnect all cables from the RTX130A function generator and MPEG analyzer RTX130A OAM amp VSB RF Signal Generator Service Manual 3 13 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Performance Verification ASI SMPTE310M Interface This test verifies that transport stream data is correctly played from and is recorded through the ASI SMPTE310M interface on the RTX130A Equipment MPEG analyzer required Oscilloscope 75 Q BNC cable 75 Q signal adapter test40 TRP file Flower trp file Checking the Output Signal 1 Use the 75 Q BNC cable and the 75 Q signal adapter to con
60. ernal fan RTX130A QAM amp VSB RF Signal Generator Service Manual 4 29 Removal and Installation Procedures Internal fan MAH GL N External fan Figure 4 13 Internal and external fan removal RTX130A OAM amp VSB RF Signal Generator Service Manual 4 30 Removal and Installation Procedures 12 V Main Power Supply 1 Assemble equipment and locate modules to be removed a You need a screwdriver with a T 10 Torx tip b Locate the 12 V main power supply in the locator diagram Internal modules Figure 4 4 page 4 13 2 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its left side is facing you 3 Remove the 12 V main power supply See Figure 4 14 on page 4 32 a Disconnect the cables from CN1 CN2 CN3 and CN4 b Usea screwdriver with a T 10 Torx tip to remove the four screws securing the 12 V main power supply to the chassis c Liftthe power supply away from the chassis 4 Reinstallation Perform step 3 in reverse order to reinstall the 12 V main power supply A40 AC Distributer Board 1 Assemble equipment and locate modules to be removed a You need a screwdriver with a T 10 Torx tip b Locate the A40 AC Distributer board in the locator diagram Internal modules Figure 4 4 page 4 13 2 Orient the instrument Set the RTX130A so its bottom is down on
61. ert the Windows XP Professional Operating System Recovery Disc into the DVD drive 2 Turn off then turn on the instrument The RTX130A runs from the disc 3 Follow the installation instructions on the screen 4 When the Easy Restore window appears click Continue to start the recovery process 5 Click Yes in the Warning dialog box to continue the process The process takes about 10 minutes 6 When the Message dialog box appears press the eject button on the DVD drive and then press any key to reboot the instrument 7 When the Windows XP Professional Setup dialog box appears follow the installing instructions on the screen When all settings for Windows XP are completed the Windows desktop appears NOTE f the dialog box for setting up the drive appears use the inf file in the following directory of the Application Software Recovery CD Application Software program file Tektronix MPEGPlayer Inf RTX130A QAM amp VSB RF Signal Generator Service Manual 4 47 Using the Recovery Discs Reinstalling the RTX130A Application Perform the following procedure to reinstall the RTX130A application software 1 Insert the Application Software Recovery CD into the DVD drive 2 Double click the E drive icon substitute your DVD drive letter if it is different than E 3 Double click the Application Software folder 4 Double click the setup exe icon 5 Follow the on screen instructions to complete the installation
62. ervice m The procedures in this manual should be performed only by a qualified service person m Read the General Safety Summary and the Service Safety Summary beginning on page vii When using this manual for servicing be sure to follow all warnings cautions and notes Performance Check Interval Strategy for Servicing Generally the performance check described in Section 3 Performance Verifica tion should be done every 12 months In addition a performance check is recommended after module replacement If the RTX130A does not meet performance criteria repair is necessary This manual contains all the information needed for periodic maintenance of the RTX130A This manual also contains all information for corrective maintenance down to the module level To isolate a failure to a module use the fault isolation procedures found in Troubleshooting part of Section 5 Maintenance To remove and replace any failed module follow the instructions in Removal and Installation Procedures also part of Section 5 After isolating a faulty module replace it with a fully tested module obtained from the factory Section 8 Replaceable Parts List contains part number and ordering information for all replaceable modules RTX130A OAM amp VSB RF Signal Generator Service Manual XV Introduction Tektronix Service Offerings Warranty Repair Service Self Service Tektronix provides service to cover repair under warranty as wel
63. f the RTX130A and the characteristics that apply to it m Theory of Operation contains circuit descriptions that support service to the module level m Performance Verification contains procedures for confirming that an RTX130A functions properly and meets warranted characteristics m Maintenance contains information and procedures for performing preventive and corrective maintenance of an RTX130A These instructions include cleaning module removal and installation and fault isolation to the module level m Options contains descriptions of factory installed options and field upgrad able options m Diagrams contains block diagram and interconnection diagram m Replaceable Parts List includes a table of all replaceable modules their descriptions and their Tektronix part numbers RTX130A OAM amp VSB RF Signal Generator Service Manual xiii Preface Manual Conventions This manual uses certain conventions with which you should become familiar Some sections of the manual contain procedures for you to perform To keep those instructions clear and consistent this manual uses the following conventions m Names of front panel controls and menus appear in the same case initial capitals all uppercase and so forth in the manual as is used on the RTX130A front panel and menus W Instruction steps are numbered unless there is only one step m Bold text refers to specific interface elements that you are instructed to select
64. ference clock 50 MHz maximum serial clock 26 75 MHz maximum parallel clock 214 Mbps maximum 64 Kbps minimum TS clock X 2 Y Z 27 MHz 15362 X 31248 1686 Y 3376 2 lt 7 lt 65536 TS clock X 2 Y Z external parallel clock 214 MHz maximum 15632 X 31248 1 Y 16383 2 lt 7 lt 65536 TS clock X 2 Y Z external serial clock 8 32 MHz maximum 15632 X 31248 1 Y 16383 2 lt 7 lt 65536 104 dBc Hz at 21 455707 MHz 20 kHz RBW 300 Hz D sub 25 pin 256 Kbps to 214 Mbps 1 DCLK 2 GND 3to 10 DATA 7 to DATA 0 11 DVALID 12 PSYNC 13 Shield 14 DCLK 15 GND 16 to 23 DATA 7 to DATA 0 24 DVALID 25 PSYN 1 5 Specifications Table 1 2 Mainframe Cont Characteristics Output Output level typical Offset Output resistance typical Data delay typical Input Input level typical Input resistance typical Clock pulse width typical Data hold time typical ASI SMPTE310M interface Connector type Impedance Data rate Output Output voltage Jitter ASI Jitter SMPTE310M Rise fall time Return loss Input Input voltage typical Return loss Data format Description 330 mV to 550 mV termination internal 100 external 100 Q bus LVDS with 50 Q termination 1 1 Vto1 5V 100 between differential outputs output off 5 ns from the falling edge of DCLK see Figure 1 1 on page 1 11 gt 4100 mV lt
65. ge and use it to record the performance test result Table 3 2 RTX130A test record Serial Number Cal Date Temperature Humidity Internal Clock Frequency 26 999973 MHZ 27 000027 MHz RTX130A OAM amp VSB RF Signal Generator Service Manual 3 3 Performance Verification Procedures The following conventions are used in the performance verification procedures Each test lists the characteristic that is being tested and the equipment required to perform the test m Each test contains complete setup instructions which allows you to perform each test individually or in order m The equipment connection illustrations are specific to the recommended equipment equipment nomenclature is labeled If you are using substitute equipment the location of your signal connections may vary from those in the illustrations NOTE Before you begin the performance verification procedures be sure that the RTX130A is operating in an environment that is within the operating limits described in Table 1 4 on page 1 12 In addition the RTX130A and the test equipment must be warmed up for at least 20 minutes to ensure accurate test results RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification Internal Clock Output This test verifies the internal clock output level and frequency accuracy Level and Frequency Accuracy Oscilloscope required Frequency counter 50 Q BNC cable 1 Use the
66. gure 4 22 Troubleshooting procedure 7 4 44 In Out connector RTX130A OAM amp VSB RF Signal Generator Service Manual Troubleshooting No Is the Record Source menu set to SPI Yes Select Record Source SPI No Can a stream data lt be acquired from the SPI In Out connector Replace the A12 Main board Figure 4 23 Troubleshooting procedure 8 TEL occcccen oono Doi dius O e Bout o M O mi ME e m amp Front e e Po e O e e e J220 leeececccon e B J170 Figure 4 24 A20 PCI Backplane board view back side RTX130A QAM amp VSB RF Signal Generator Service Manual 4 45 Troubleshooting 32330 J30 C201 0740 C740 Lm p n Rao Na 3260 C c EI m i s 2 o i 5 2 ae ES 8 g tN t z 8 Do 2 o 8 k7osso MHS 5 eu a a i 9sen C325 P wee 8134 8318 n gegen sees gine ae ma E N z 1 Pets 50000929550 mecone N 9 miss Q cuols TUTTU TETO R129 U710 MH al um mE 5 C150 C151 C152 Front o m N
67. he J 83 Annex B modulator uses the SRAM for interleave storage but other modulators do not use it RTX130A OAM amp VSB RF Signal Generator Service Manual Theory of Operation Local Bus Interface Base Clock Generator and Symbol Clock Generator Switching Regulator Linear Voltage Regulator Cable Equalizer and ASI Receiver SMPTE310M Receiver ASI Transmitter Output Selector Cable Driver SMPTE310M VCO Circuit Quadrature Digital Up Converter and DAC Low Pass Filter The Local Bus interface consists of U5 U6 U7 and U8 U5 is a local bus data driver receiver U6 is a control signal driver receiver U7 is an LVDS receiver and U8 is an LVDS driver U11 symbol clock generator and U12 base clock generator are programmable clock generators The application software can program these clock generators via I2C interface in the digital modulator U35 is a switching regulator for the internal supply voltage of the digital modulator It converts 43 3 V to 41 2 V U36 is a linear voltage regulator for the auxiliary supply voltage of the digital modulator It converts 43 3 V to 2 5 V U14 is a cable equalizer for an ASI SMPTE310M signal The ASI receiver converts an 8B 10B signal to a parallel signal U15 is a programmable SMPTE receiver that can be re programmed via the J4 connector There are an SMPTE310M decoder and PLL controller in U15 U18 CY7B9234 is an ASI transmitter It converts parallel data to
68. he test40 TRP file 5 Use the oscilloscope to measure that the amplitude rise and fall times are as follows Amplitude 740 mV to 860 mV Rise and fall time x 1 2 ns RTX130A OAM amp VSB RF Signal Generator Service Manual 3 15 Performance Verification Checking the ASI Play Operation 6 Disconnect the BNC cable from the 75 Q signal adapter on the oscilloscope and then connect the cable to the ASI SMPTE In connector on the MPEG analyzer See Figure 3 6 MPEG analyzer rear panel MTS430 P RTX130A rear panel 75 BNC cable Figure 3 6 Equipment connections for checking the ASI play operation 7 Start the MPEG Player application on the MPEG analyzer 8 Set the application to the Record mode 9 Setthe MPEG analyzer settings as indicated below Record menu Source SPI ASI 310M Target
69. ify 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 9 Click the Record button on the MPEG Player application to record the file 10 After recording is completed press the STOP button on the RTX130A Checking the Record Operation 11 Change the interface cable connection from DVB SPI In connector to DVB SPI Out connector on the MPEG analyzer 12 Press the REC button on the RTX130A to display the Record screen 13 On the RTX130A make the following settings Record menu Source SPI Target RAM Record Size 100 MB File menu Save Mode Over Write Save D Record_Files SPI214Mbps RTX130A QAM amp VSB RF Signal Generator Service Manual Performance Verification 14 15 16 17 18 19 20 21 22 Change the MPEG analyzer to the Play mode Select File Open on the MPEG analyzer to display the Open dialog box In the dialog box navigate to the E MTXRTX_Test streams Record Files and then select the SPI214Mbps trp file On the MPEG analyzer make the following settings Play menu Data Rate 214 Mbps Update Off Source RAM Click the PLAY button on the MPEG Analyzer to start playing the SPI214Mbps trp file Verify that the hierarchic view is displayed on the RTX130A screen In addition verify that the bit rate display is 214 Mbps and the packet size d
70. ig In Out ASI SMPTE Input ASI SMPTE Output VGA Front Bezel CPU Board Clock Ref In 12 Main Board A180 QAM Modulator Board Printer Local Com Hard Disk Drive A50 Disk I F DVD Drive Board Card Edge Card Edge Card Edge A20 PCI Back Plane Board IEEE1394b LCD Displa 5 V Main Power Supply A30 Front Panel Board play 5 V Sub Power Supply USB Inverter A35 Power Switch Board USB A40 AC Distributer Board Figure 6 1 RTX130A block diagram RTX130A OAM amp VSB RF Signal Generator Service Manual 6 3 174 5190 00 LA lt G B IEEE1394b 174 5172 00 CPU Board J120 174 5182 00 174 5183 00 174 5174 00 174 5186 00 174 5185 00 174 5184 00 Card Edge J230 J310 J290 J150 174 5178 00 174 5177 00 CN2 5 V Main Power Supply CN1 174 5171 00 J100 174 5170 00 Hard Disk Drive 174 5181 00 C S G Clock Ref In TPE e CN Trig In Out v9 J702 SPI In Out J100 50 Disk I F Board DVD Drive J120 174 5187 00 J250 A20 PCI Backplane Board 5 V Sub Power Supply J110 A40 AC Distributer Board 196 3499 00 A12 Main Board A180 QAM Modulator Board ASI SMPTE Input ASI SMPTE Output O 79 99 J2
71. interface 30 Press the PLAY button on the RTX130A to display the Play screen 31 Select Play Update On 32 Open the ASI214Mbps file on the RTX130A a Select File Open to open the Select File dialog box b In the dialog box navigate to the D Record_Files directory and then select the ASI214Mbps trp file 33 Press the PLAY button to start playing the file 34 Start the TS Compliance Analyzer on the MPEG analyzer 35 In the Open Transport Stream dialog box select Real time Analysis and then make the following settings Interfaces ASI Interface Settings Time Stamping 36 Click the OK button RTX130A OAM amp VSB RF Signal Generator Service Manual 3 19 Performance Verification 37 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 packet size is 188 bytes NOTE gnore Program 3 and PID 120 0x78 errors in the hierarchical view because these are caused by the original test40 TRP file 38 Press the STOP button on the RTX130A to stop the stream output 39 Disconnect the 75 BNC cable from the RTX130A and MPEG analyzer Checking the 8VSB Play Operation 40 Use the 75 Q BNC cable to connect the ASI SMPTE Output connector on the RTX130A to the ASI SMPTE In connector on the MPEG analyzer See Figure 3 9 MPEG analyzer rear panel MTS430 P BG R
72. ion Procedures Use a screwdriver with a T 10 Torx tip to remove the two screws securing the RFI filter to the chassis d Pull the RFI filter away from the chassis 4 Reinstallation Perform step 3 in reverse order to reinstall the RFI filter e RFI filter Figure 4 15 RFI filter removal RTX130A QAM amp VSB RF Signal Generator Service Manual 4 33 127 Setting the BIOS Configuration This section provides information needed to set the BIOS configuration after you change the CPU board Procedure CAUTION I is very important to follow this procedure exactly or the instrument will not operate correctly Perform the following procedure to set the BIOS configuration 1 Connect the USB keyboard to the USB connector on the front panel 2 Power on the instrument and then press the Del key immediately The AwardBIOS CMOS Setup Utility screen appears 3 Use the arrow keys to select Load Optimized Defaults and then press the Enter key The Load Optimized Defaults Y N message appears 4 Enter Y and then press the Enter key 5 Set the BIOS configuration as follows Use the arrow keys to highlight each item and then press the Enter key to select the item Standard CMOS Features Data mm dd yy Set the current date Time hh mm ss Set the current time Drive A None Advanced BIOS Features First Boot Device USB FDD Second Boot Device CDR
73. isplay is 188 bytes Press the REC button on the RTX130A to record the file After recording is completed click the Stop button on the MPEG analyzer Exit the MPEG Player application on the MPEG analyzer Checking the Recorded File 23 24 25 26 27 28 29 30 Change the interface cable connection from DVB SPI Out connector to DVB SPI In connector on the MPEG analyzer Start the TS Compliance Analyzer on the MPEG analyzer In the Open Transport Stream dialog box select Real time Analysis and then make the following settings Interfaces DVB Parallel Interface Settings Time Stamping Click the OK button Press the PLAY button on the RTX130A to display the Play screen Select File Open to open the Select File dialog box In the dialog box navigate to the D Record Files directory and then select the SPD14Mbps trp file Select Play gt Update gt On on the RTX130A RTX130A OAM amp VSB RF Signal Generator Service Manual 3 9 Performance Verification External Clock Reference and External Trigger Inputs 3 10 31 Press the PLAY button on the RTX130A 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 NOTE gnore Program 3 and PID 120 0x78 errors in the hierarchical view becau
74. it the MPEG Player application on the MPEG analyzer Disconnect the 75 BNC cable from the RTX130A and MPEG analyzer Checking the Recorded File 64 Use the 75 BNC cable to connect the ASI SMPTE Output connector on RTX130A rear panel P e OQ CEB Vf 9 9 oBB fe D00 NO 29 SOM COP Pese OO the RTX130A to the ASI SMPTE In connector on the MPEG analyzer See Figure 3 11 MPEG analyzer rear panel MTS430 BP BG e p 75 BNC cable Figure 3 11 Equipment connection for verifying the recorded file SMPTE310M interface RTX130A OAM amp VSB RF Signal Generator Service Manual 3 23 Performance Verification 65 66 67 68 69 70 71 Press the PLAY button on the RTX130A to display the Play screen Open the 310M trp file on the RTX130A a Select File gt Open to open the Sel
75. l as other services that may provide a cost effective answer to your service needs Whether providing warranty repair service or any of the other services listed below Tektronix service technicians are well trained to service the RTX130A They have access to the latest information on improvements to the RTX130A as well as the latest new options Tektronix warrants this product for one year from date of purchase The warranty appears after the title page in this manual Tektronix technicians provide warranty service at most Tektronix service locations The Tektronix product catalog lists all worldwide service locations or you can visit our Web site for service information www tektronix com Tektronix supports repair to the module level by providing Module Exchange Module Exchange This service reduces down time for repair by allowing you to exchange most modules for remanufactured ones Each module comes with a 90 day service warranty For More Information Contact your local Tektronix service center or sales engineer for more information on any of these repair or adjustment services RTX130A OAM amp VSB RF Signal Generator Service Manual aww ws Specifications Product Overview The RTX130A QAM amp VSB RF Signal Generator generates QAM and 8VSB modulated signals that are compliant with the DVB C ITU T J 83 Annex A B C and ATSC standards In addition to the RF signal output feature the RTX130A records and plays MPEG 2 transport st
76. l interface cable IEEE1394b cable Crossover Ethernet cable 1ea Frequency range 27 MHz to 200 MHz Agilent Technologies 53181A had 8 prem or higher PY Tektronix MTS430 or MTS400 Tektronix AFG3102 40 M clock pattern Amplitude 3 V Outputs 2 channel 1 ea Bandwidth 1 GHz or higher Tektronix TDS51048 fel Tektronix MTM400 Option QA QB2 QC VS 1ea Microsoft Internet Explorer Version 5 and Java Virtual Machine Version 5 must be installed Bandwidth 1 GHz Tektronix AMT75 Amplitude precision 3 dB Tektronix part number 103 0158 00 Mini Circuits HAT 20 75 Tektronix part number 012 0057 01 ha feam Canare DHSCO1 S SA Pee Tektronix part number 012 A220 00 supplied with the RTX130A a e eee RTX130A QAM amp VSB RF Signal Generator Service Manual 3 1 Performance Verification Table 3 1 Equipment required for performance verification Cont Item Qty Minimum requirements Recommended equipment y IEEE1394b hard disk drive 1 ea Novac NV HD352WB and hard disk drive Tektronix part number 119 7146 00 1 MTM400 option s required depends on the modulation option s installed in the instrument to be tested as follows RTX130A Option M1 Option RTX130A Option M2 Option QB2 RTX130A Option M3 Option QC RTX130A Option M4 Option VS RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification RTX130A Test Record Photocopy this pa
77. mplies All listed specifications are guaranteed unless labeled with typical Typical specifications are provided for your convenience but are not guaranteed Performance Conditions The electrical characteristics listed on the following pages are valid under the following conditions m The RTX130A must be in an environment where the temperature altitude humidity and vibration conditions are within the operating limits described in Table 1 4 on page 1 12 m The RTX130A must have a warm up period of at least 20 minutes m The RTX130A must be operating at an ambient temperature between 5 C to 40 C unless otherwise noted Functional Specifications Table 1 1 Functional specifications Characteristics Description System configuration System OS Windows XP Professional CPU 1 3 GHz System memory 512 MB Display 640 x 480 VGA resolution with 256 colors Storage device Hard disk drive 160 GB DVD RW drive Read and write DVD R DVD RW DVD R DVD RW CD R and CD RW Read only DVD ROM and CD ROM Expansion slot 1 PCI slot RTX130A QAM amp VSB RF Signal Generator Service Manual 1 3 Specifications Electrical Specifications Table 1 2 Mainframe Characteristics Maximum output rate Hard disk RAM Maximum record rate Hard disk RAM Internal reference clock Reference clock on shipping Reference clock stability typical External reference clock input Connector type Input impedance typical Refere
78. n Option M1 Option M2 Option M3 Option M4 Software option Description Adds DVB C ITU T J 83 Annex A modulation mode Adds ITU T J 83 Annex B modulation mode Adds ITU T J 83 Annex C modulation mode Adds ATSC modulation mode Option SC Adds the Scheduler application Service options Option D1 Option D3 Option D5 Option C3 Option C5 Option R3 Option R5 Power cord options Option 0 Option A1 Option A2 Option A3 Option A4 Option A5 Option A6 Option A10 Option A99 Provides calibration data Provides calibration data for 3 years Provides calibration data for 5 years Provides calibration services for 3 years Provides calibration services for 5 years Extends the instrument warranty to 3 years Extends the instrument warranty to 5 years North America power cord Universal Euro power cord United Kingdom power cord Australia power cord 240 V North America power cord Switzerland power cord Japan power cord China power cord No power cord RTX130A OAM amp VSB RF Signal Generator Service Manual 5 1 Aaa Diagrams EE CUN Diagrams This section contains the following diagrams m Block diagram of the RTX130A Interconnect diagram of the RTX130A Block diagrams show the modules and functional blocks in the RTX130A Interconnect diagrams show how the modules in the RTX130A connect together RTX130A QAM amp VSB RF Signal Generator Service Manual 6 1 SPI In Out Ext ATX Power Ext Key Board Tr
79. n 3 Power on the IEEE1394b hard disk drive 4 Double click the My Computer icon on the Windows desktop to open the My Computer window 5 In the Window verify that the hard disk drive is recognized as the F or G drive 6 Use the windows file copy operation to copy the test40 TRP file on the D drive to F or G drive 7 Verify that the test40 TRP file is copied to the F or G drive correctly 8 Delete the test40 TRP file from the or G drive 9 Power off the IEEE1394b hard disk drive This completes the RTX130A performance verification 3 30 RTX130A OAM amp VSB RF Signal Generator Service Manual w ww w l Maintenance Maintenance This section contains the information needed to do periodic and corrective maintenance on the RTX130A The following subsections are included Preparation Introduction plus general information on preventing damage to internal modules when doing maintenance Inspection and Cleaning Information and procedures for inspecting the RTX130A and cleaning its external and internal modules Removal and Installation Procedures Procedures for the removal of defective modules and replacement of new or repaired modules Troubleshooting Information for isolating and troubleshooting failed modules Troubleshooting trees are included Using the Recovery Discs Procedures for reinstalling the Windows XP operating system and the RTX130A application if the RTX130A does
80. nce input Frequency Input level typical Clock input Frequency Input level typical External trigger input MISC output Connector type Input impedance typical Threshold level High level Low level Output level High level Low level Output impedance Description z 120 Mbps gt 200 Mbps gt 120 Mbps File size 4 GB just after disk format operation 90 Mbps File size 33 GB just after disk format operation gt 200 Mbps For Output clock PCR PTS DTS packet operation timing and TDT STT time 27 MHz 1 ppm 1 ppm year 1 ppm 5 C to 40 C BNC 50 Q 8 129698 MHz 10 MHz and 27 MHz Sine wave 0 6 dBm Square wave 0 5 Vp p to 3 0 Vp p 160 kHz to 25 MHz parallel clock 1 28 MHz to 32 MHz serial clock 0 5 V to 3 0 V BNC 1kQ Rising and falling edges are programmable gt 3 5 V maximum input voltage 7 V 0 8V gt 2 2 V with 50 termination 0 8 V with 50 2 termination 50 Q RTX130A QAM amp VSB RF Signal Generator Service Manual Specifications Table 1 2 Mainframe Cont Characteristics PLL Frequency Output clock Output rate TS clock Internal and external reference 27 MHz and 10 MHz External parallel clock External serial clock P N and Jitter serial clock SPI interface Connector type Data rate Pin assignments RTX130A OAM amp VSB RF Signal Generator Service Manual Description 50 MHz to 100 MHz locked to re
81. nect the ASI SMPTE Output connector on the RTX130A to the oscilloscope CH1 input See Figure 3 5 Oscilloscope TDS5104B pui S SS 0 Olo O oo e sss 0 RTX130A rear pane e 5 O aos CJ C C Cat Cc t K EB LS opd E 00 DO 00 K 3 75 2 signal adapter 75 Q BNC cable Figure 3 5 Equipment connection for checking the output signal ASI interface 3 14 RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification 2 Setthe oscilloscope settings as indicated below Vertical scale 200 mV div Input impedance 50Q Horizontal scale 1 25 ns div Trigger position 50 Acquire mode Average 32 Trigger mode AUTO Trigger source CH1 Trigger level OV Trigger slope Rising Edge Input coupling DC Measure Amplitude Rise Time Fall Time Gating Cursor Curs1 Pos1 2 5 ns Curs2 2 75 ns 3 Open the test40 TRP file on the RTX130A a Select File gt Open in the Play screen to open the Select File dialog box b In the dialog box select the test40 T RP file 4 Press the PLAY button to start playing t
82. netic Field Immunity Performance Criterion A IEC 61000 4 4 Electrical Fast Transient Burst Immunity Performance Criterion B IEC 61000 4 5 Power Line Surge Immunity Performance Criterion B IEC 61000 4 6 Conducted RF Immunity Performance Criterion A IEC 61000 4 11 Voltage Dips and Interruptions Immunity Performance Criterion B Low Voltage Directive 73 23 EEC Amended by 93 68 EEC EN 61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Australia New Zealand Declaration Complies with EMC provision of Radio Communications Act per the following standard s of Conformity EMC n AS NZS 2064 1 2 Industrial Scientific and Medical Equipment 1992 RTX130A QAM amp VSB RF Signal Generator Service Manual 1 13 Specifications Table 1 5 Certifications and compliances Cont Category Safety Installation Overvoltage Category Overvoltage Category Pollution Degree Pollution Degree IEC Characteristics Standards or description Complies with the following safety standards regulations UL 61010 1 Standard for Electrical Measuring and Test Equipment CAN CSA C22 2 No 61010 1 04 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN 61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Terminals on this product may have different installation overvoltage category designatio
83. nfig button on the Configuration screen W For Annex A and C Rx Frequency MHz 200 0 Symbol Rate MS s 5 0 Constellation 64 Inversion unchecked PLL Bandwidth Normal AFG Range Normal Analysis Mode MPEG W For Annex B Tuner Frequency 200000 kHz Modulation Format auto Interleaving Mode auto Carrier Lock normal Tuner Phase Noise high Equalization Range normal m For ATSC Tuner Frequency 200000 kHz IF Spectrum normal Channel State auto NTSC Rejection Filter auto Carrier Lock normal Tuner Phase Noise normal Signal Detection VSB RTX130A QAM amp VSB RF Signal Generator Service Manual 3 27 Performance Verification 3 28 Tests Grouped by Priority 1 2 3 screen see Figure 3 13 tests should be enabled with the following exceptions 1 6 PID and 2 2 CRC should be disabled Any Table test that refers to a table other than PAT or PMT should also be disabled For example disable any reference to NIT SDT EIT RST and TDT These are Priority 3 tests Right click the state icon for 2 3a PCR Repetition select Properties and then set the time value to 50 ms ll Stream Tests Grouped by Priority 1 2 3 Stale WP Ary Svea Ever 9 Topol Steen Avadable T T AL
84. not boot Related Maintenance Procedures The following sections contain information and procedures related to mainte nance Section 2 Theory of Operation contains a circuit description at the module or block level Section 3 Performance Verification contains procedures that may be useful in isolating problems to modules by testing the RTX130A performance Section 6 Diagrams contains a block diagram using individual modules as blocks and an interconnection diagram showing connections between the modules Section 7 Replaceable Parts List lists all field replaceable modules by part number RTX130A OAM amp VSB RF Signal Generator Service Manual 4 1 Maintenance Preparation A Preventing ESD Before servicing this product read the General Safety Summary Safety Summary Introduction at the front of the manual and the ESD information below CAUTION Static discharge can damage any semiconductor component in the 130 When performing any service that requires internal access to the RTX130A adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD 1 Minimize handling of static sensitive modules 2 Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive modules 3 Discharge the static voltage from your body by wearing a grounded
85. ns The installation categories are CAT Ill Distribution level mains usually permanently connected Equipment at this level is typically in a fixed industrial location CAT Il Local level mains wall sockets Equipment at this level includes appliances portable tools and similar products Equipment is usually cord connected CAT I Secondary signal level or battery operated circuits of electronic equipment Overvoltage Category II as defined in IEC 61010 1 A measure of the contaminates that could occur in the environment around and within a product Typically the internal environment inside a product is considered to be the same as the external Products should be used only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Pollution Degree 2 Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation These are sheltered locations where neither temperature nor humidity is controlled The area is protected from direct sunshine rain or direct wind
86. nstallation Procedures Required Equipment Most modules in this RTX130A 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 All equipment required to remove and reinstall each module is listed in the first step of its procedure Table 4 4 Tools required for module removal No Description 1 Accepts Torx driver bits 2 Torx driver bit for T 10 size screw heads 3 Torx driver bit for T 15 size screw heads 4 Standard tool RTX130A QAM amp VSB RF Signal Generator Service Manual 4 9 Removal and Installation Procedures RTX130A Orientation In this manual procedures refer to front back and top of the RTX130A Figure 4 1 shows how the sides are referenced Figures 4 2 through 4 4 show the modules that make up the RTX130A Figure 4 1 RTX130A orientation 4 10 RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures Left side cover Right side cover Cabinet QDR NNNNNNNNS QR WROD QR Bracket LCD module A35 Power Display filter Switch board Front cover Front panel ISS S SE 9n Iy IS 2 00 lt A30 Front Panel Rubber switch board Figure 4 2 External modules RTX130A QAM amp VSB RF Signal Generator Service
87. om of the front cover to release it from the front cover bracket b Pull the front cover forward away from the front cover bracket 3 Remove the A30 Front Panel board See Figure 4 9 on page 4 20 a Disconnect the cables from J100 J300 and J320 on the A30 Front Panel board b Usea screwdriver with with a T 10 Torx tip to remove the four screws securing the A30 Front Panel board to the front cover bracket Lift the board away 4 Remove the A35 Power Switch board See Figure 4 9 on page 4 20 a Disconnect the cables from J100 J130 and CN1 on the A35 Power Switch board b Usea screwdriver with a T 10 Torx tip to remove the three screw securing the A35 Power switch board to the front cover bracket c Liftthe board away 5 Now hand disassemble the front panel assembly components using Figure 4 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 RTX130A QAM amp VSB RF Signal Generator Service Manual 4 19 Removal and Installation Procedures A35 Power Switch board Front cover bracket ae LCD module Front cover A30 Front Panel board Figure 4 9 Disassembly of front panel assembly 4 20 RTX130A OAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures Procedures for Board Modules Perform the Access Procedure on page 4 14 before
88. omponents that are replaceable for the RTX130A Use this list to identify and order replacement parts The following table describes each column in the parts list Parts list column descriptions Column Columnname Description 1 Figure amp Index Number Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow 2 Tektronix Part Number Use this part number when ordering replacement parts from Tektronix 3and4 Serial Number Column three indicates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entries indicates the part is good for all serial numbers 5 Qty This indicates the quantity of parts used 6 Name amp Description An item name is separated from the description by a colon Because of space limitations an item name may sometimes appear as incomplete Use the U S Federal Catalog handbook H6 1 for further item name identification Mfr Code This indicates the code of the actual manufacturer of the part 8 Mfr Part Number This indicates the actual manufacturer s or vendor s part number N Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 7 2 RTX130A QAM amp VSB RF Signal Generator Service Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Replaceable Parts List
89. on page 4 15 Procedures for Board Modules Is A180 QAM Modulator board p 4 23 the module A12 Main board p 4 23 in Figure CPU board p 4 23 4 3 A20 PCI Backplane board p 4 24 Printer connector p 4 25 Figure 4 5 Guide to removal procedures 4 14 RTX130A QAM amp VSB RF Signal Generator Service Manual Removal and Installation Procedures Procedures for External Modules Do the Access Procedure page 4 14 before doing any procedure in this group This group contains the following procedures Cabinet im Cabinet Right side cover Left side cover Front panel unit Front panel assembly Assemble equipment and locate module to be removed a You need a screwdriver with a T 15 Torx tip b Locate the cabinet in the locator diagram External modules Figure 4 2 on page 4 11 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its rear is facing you Use a screwdriver with a T 15 Torx tip to remove the two screws securing the cabinet to the RTX130A See Figure 4 6 on page 4 16 Grasp the right and left edges of the cabinet toward the back Push the chassis rear panel toward the front of the RTX130A to separate it from the cabinet Slide the cabinet off the RTX130A Reinstallation Perform steps 3 through 5 in reverse order to reinstall the cabinet RTX130A QAM amp VSB RF Signal Generator Service Manual 4 15 Removal and Installation Procedures 4 16 Right Sid
90. operator replaceable RTX130A QAM amp VSB RF Signal Generator Service Manual Specifications DATA 0 7 TED x Me DCLK p m ese r PSYNC DVALID 188 bytes M T A DATA 0 7 Transition period Bns 505 i gt y T2 x THO DCLK Output data delay Input clock pulse width T 2 THO 1 DATA 0 7 DCLK Input data hold time Figure 1 1 Timing diagram of the SPI interface RTX130A QAM amp VSB RF Signal Generator Service Manual 1 11 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Specifications Mechanical Physical Characteristics Table 1 3 Mechanical characteristics Characteristics Net weight Standard Dimensions Height Width Length Description Approximately 6 kg 13 2 Ib 132 mm 5 2 in without feet 214 mm 8 4 in 435 mm 17 1 in Environmental Characteristics Table 1 4 Environmental characteristics Characteristics Temperature Operating Non operating Relative humidity Operating Non operating Altitude Operating Non operating Dynamics Vibration Operating Non operating Shock Non operating Installation requirements Power dissipation 1 12 Description 5 C to 40 C 20 C to 60 C 20 to 80
91. or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures To Avoid Fire or Use Proper Power Cord Use only the power cord specified for this product and Personal Injury certified for the country of use Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Do Not Operate Without Covers Do not operate this product with covers or panels removed Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry 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 dis
92. ou replace the hard disk drive you must perform the following steps Uk mo cao Internal and External Fans m Do the performance verification procedures refer to Performance Verifica tion on page 3 1 Run the sysprep batch file Select File gt Exit to exit the RTX130A application The Windows XP desktop appears Select Start Run to open the Run dialog box Click the Browse button Select C Sysprep sysprep bat Click the OK button Assemble equipment and locate modules to be removed a You need a screwdriver with a T 10 Torx tip b Locate the fans in the locator diagram Internal modules Figure 4 4 page 4 13 Orient the instrument Set the RTX130A so its bottom is down on the work surface and its front is facing you Remove the internal fan See Figure 4 13 on page 4 30 a Disconnect the cable from J180 on the A20 PCI Backplane board b Remove the two rivets securing the fan to the chassis c Lift the fan up out of the chassis Reinstallation Perform step 3 in reverse order to reinstall the internal fan Remove the external fan See Figure 4 13 on page 4 30 a Set the RTX130A so its bottom is down on the work surface and its rear is facing you b Disconnect the cable from J190 on the A20 PCI Backplane board Use a screwdriver with a T 10 Torx tip to remove the four screws securing the fan and fan cover to the chassis Reinstallation Perform step 5 in reverse order to reinstall the ext
93. ough the A30 Front Panel board There are two USB connectors on the board that are directly connected to the USB2 0 interface connector on the CPU board The board also has the power supply module for the LCD back light RTX130A OAM amp VSB RF Signal Generator Service Manual Theory of Operation A40 AC Distributer Board The A40 AC Distributer board supplies standby power 5VSB to the SBC and the 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 RTX130A OAM amp VSB RF Signal Generator Service Manual 2 7 BT ss Performance Verification See rv vv Performance Verification Equipment Required This section provides procedures to verify the performance and functionality of the RTX130A Table 3 1 lists the test equipment required to perform all of the performance verification procedures The table identifies examples of recommended equipment and lists the required precision where applicable If you substitute other test equipment for the examples listed the equipment must meet or exceed the listed tolerances Table 3 1 Equipment required for performance verification Item Frequency counter MPEG analyzer Function generator Oscilloscope MPEG transport stream monitor PC Probe 75 signal adapter BNC Fe to F Ma adapter 20 dB attenuator 50 2 BNC cable 75 Q BNC cable Paralle
94. rcing ensure that circuit boards Table 4 2 Internal inspection check list Item Circuit boards Resistors Solder connections Capacitors Semiconductors Wiring and cables Chassis Loose broken or corroded Remove failed module and solder connections Burned replace with a fresh module circuit boards Burned broken or cracked circuit run plating Burned cracked broken blis Remove failed module and tered condition replace with a fresh module Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Damaged or leaking cases Remove damaged module and Corroded solder on leads or replace with a fresh module from terminals the factory Loosely inserted in sockets Firmly seat loose semiconduc Distorted pins tors Remove devices that have distorted pins Carefully straight en pins as required to fit the socket using long nose pliers and reinsert firmly Ensure that straightening action does not crack pins causing them to break off Loose plugs or connectors Firmly seat connectors Repair or Burned broken or frayed wiring replace modules with defective wires or cables Dents deformations and dam Straighten repair or replace aged hardware defective hardware RTX130A OAM amp VSB RF Signal Generator Service Manual 4 5 Maintenance Cleaning Procedure Interior To clean the RTX130A interior perform the following steps 1 2 Blow off dust wi
95. reams that are compliant with ATSC DVB and ARIB standards The RTX130A provides the following features 16 64 2560AM and 8VSB modulation formats Modulation frequency range 50 MHz to 860 MHz 44 MHz or 36 MHz IF output Support the following standards m DVB C ITU T J 83 Annex A Option M1 m J 83 Annex B Option M2 m ITU T J 83 Annex C Option M3 m ATSC Option M4 Data rate 200 Mbps maximum RAM mode 256 Kbps minimum Hierarchy display of stored or captured transport streams 188 204 208 bytes packet size S TMCC M TMCC non transport stream and partial transport stream output formats Real time updating of stream parameters continuity_counter PCR PTS DTS TOT TDT STT NPT and Reed Solomon ISDB T only Continuous recording of captured streams PCR jitter insertion Triggered stream capture Full remote control using Ethernet interface Scheduler application for automated stream playout and record Option SC only The RTX130A includes the ReMux application software that provides the capability to create a transport stream of super frame structure defined in the ISDB S systems from an MPEG2 transport stream RTX130A QAM amp VSB RF Signal Generator Service Manual 1 1 PEE l l Wi Es Specifications Tables 1 1 through 1 4 list the functional electrical mechanical and environ mental characteristics of the RTX130A Table 1 5 lists the national and international standards to which the RTX130A co
96. rear panel UE EE Parallel interface cable Figure 3 3 Equipment connection for checking the play operation SPI interface 2 Start the MPEG Player application on the MPEG analyzer 3 Set the application to the Record mode RTX130A QAM amp VSB RF Signal Generator Service Manual 3 7 Performance Verification 4 Open the test40 TRP file on the RTX130A a Select File Open in the Play screen to open the Select File dialog box b In the dialog box select the test40 T RP file 5 Onthe RTX130A make the following settings Play menu Data rate 214 Mbps Update Off Source RAM 6 On the MPEG analyzer make the following settings Record Source SPI Target RAM Size 100 MB File Save Mode Overwrite Save E MTXRTX_Test streams Record_Files SPI214Mbps 7 Press the PLAY button on the RTX130A to start playing the test40 TRP file 8 Ver
97. replace missing or buttons defective buttons Broken shells cracked insulation Repair or replace defective and deformed contacts Dirt in modules Clear or wash out dirt connectors Missing items or parts of items Repair or replace damaged or bent pins broken or frayed missing items frayed cables and cables and damaged connec defective modules tors Cleaning Procedure Exterior To clean the RTX130A exterior perform the following steps 1 Remove loose dust on the outside of the RTX130A with a lint free cloth 2 Remove remaining dirt with a lint free cloth dampened in a general purpose detergent and water solution Do not use abrasive cleaners 3 Clean the light filter protecting the monitor screen with a lint free cloth dampened with a gentle general purpose detergent and water solution CAUTION 7o prevent getting moisture inside the RTX130A during external cleaning use only enough liquid to dampen the cloth or applicator RTX130A OAM amp VSB RF Signal Generator Service Manual Maintenance Inspection Interior To access the inside of the RTX130A for inspection and cleaning refer to the Removal and Installation Procedures in this section Inspect the internal portions of the RTX130A for damage and wear using Table 4 2 as a guide Defects found should be repaired immediately and components are dry before applying power to the RTX130A fh CAUTION 70 prevent damage from electrical a
98. ront panel and display from dust and damage Install the front cover when storing or transporting the RTX130A Inspect and clean the RTX130A as often as operating conditions require The collection of dirt on components inside can cause them to overheat and break down Dirt acts like an insulating blanket preventing efficient heat dissipation Dirt also provides an electrical conduction path that could cause an RTX130A failure especially under high humidity conditions CAUTION Avoid the use of chemical cleaning agents that might damage the plastics used in this RTX130A Use only deionized water when cleaning the menu buttons or front panel buttons Use an ethyl alcohol solution as a cleaner and rinse with deionized water Inspection Exterior Inspect the outside of the RTX130A for damage wear and missing parts using Table 4 1 as a guide An RTX130A that appears to have been dropped or otherwise abused should be checked thoroughly to verify correct operation and performance Immediately repair defects that could cause personal injury or lead to further damage to the RTX130A RTX130A QAM amp VSB RF Signal Generator Service Manual 4 3 Maintenance Table 4 1 External inspection check list Item Cabinet front panel and cover Front panel buttons Connectors Accessories Cracks scratches deformations Repair or replace defective damaged hardware or gaskets module Missing damaged or loose Repair or
99. se these are caused by the original test40 TRP file 33 Press the STOP button on the RTX130A 34 Close the TS Compliance Analyzer window This test confirms that the external clock reference input Clock Ref In and external trigger input Trig In Out on the RTX130A are functioning correctly Equipment required MPEG analyzer Function generator Two 50 Q BNC cables Parallel interface cable test64 TRP file 1 Use 50 BNC cable to connect the Clock Ref In connector on the RTX130A to the Ch1 connector on the function generator See Figure 3 4 2 Use the 50 BNC cable to connect the Trig In Out connector on the RTX130A to the Ch2 connector on the function generator See Figure 3 4 3 Use the parallel interface cable to connect the SPI In Out connector on the RTX130A to the DVB SPI In connector on the MPEG analyzer See Figure 3 4 RTX130A OAM amp VSB RF Signal Generator Service Manual Performance Verification Function generator AFG3102 MPEG analyzer MTS430 50 BNC cable 5 50 Q BNC cable exo JE a
100. sps ATSC 8 VSB RF Output On BNC Port ASI Can an RF modulated No signal be output from the RF Out connector Replace the A180 QAM Modulator board Figure 4 18 Troubleshooting procedure 3 4 40 RTX130A QAM amp VSB RF Signal Generator Service Manual Troubleshooting Is 5 VSB line at pin 9 of J170 on the A20 PCI No Backplane board correct 4 9 V to 5 30 V See Figure 4 24 on page 4 45 No Is the voltage at pin 10 of J240 about 5 V See Figure 4 25 on page 4 46 15 PWON line at pin 10 No of J170 on the A20 PCI Backplane board about 0v Are all the voltages of No 5 V 43 3 V 412 V and 12 V correct Replace the CPU board Figure 4 19 Troubleshooting procedure 4 RTX130A OAM amp VSB RF Signal Generator Service Manual m Check the 174 5172 00 cable m Check the 5 V main power supply module on the A40 AC Distributer board m Check the 174 5185 00 174 5220 00 and 174 5173 00 cables m Check the ON STBY switch on the A35 Power switch board m Check the 174 5174 00 cable m Replace the CPU board Remove the A12 Main board or the A180 QAM Modulator board from the A20 PCI Backplane board 4 41 Troubleshooting Are all the voltages No 5 V 43 3 V 12 V and 12 V correct Change the A12 Main board or the A180 QAM Modulator board which affects the power s
101. stem slot and is used to install the CPU board single board computer SBC The J110 and J120 connectors are used to install the A12 Main board and the A180 QAM Modulator board The PWR Button line Pins 9 and 10 of J310 of the SBC is connected to the power switch on the A35 Power Switch board through the A30 Front Panel board When the power switch is pressed the SBC causes the PSON signal to go low When the PSON signal becomes low Q10 turns on and 12 V main power is also on When the power switch is pressed again its status is sent to BIOS and the PSON signal turns high This circuit includes a 12 V to 45 V DC DC converter a 12 V to 3 3 V converter and a 12 V to 12 V converter There are four connectors in the interconnect circuit J230 J240 J290 and J310 J230 is used to connect the board to the LCD interface on the CPU board J290 is used to connect the board to COM2 on the CPU board J310 is used to connect the board to the hard disk drive LED and reset power button on the CPU board J240 is used to connect the board to the A30 Front Panel board This circuit also has an RS 232C level converter U700 PIC Micro controls the internal fan revolution It gets the temperature data from the sensors U720 and U730 through 12C BUS and controls the supply voltage to the fan 7 V to 11 5 V The IEEE1394 interface consists of the 1394b link layer device U110 cable transcriver arbiter U120 oscillator Y100 serial EEPROM U1
102. t For most parts in this manual you will find the letters XX in place of the revision level number Part Number Revision Level Revision Level May Show as XX A 670 7918 03 670 7918 XX When you order parts Tektronix will provide you with the most current part for your product type serial number and modification if applicable At the time of your order Tektronix will determine the part number revision level needed for your product based on the information you provide RTX130A OAM amp VSB RF Signal Generator Service Manual 7 1 Replaceable Parts List Module Servicing Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance Module Exchange In some cases you may exchange your module for a reman ufactured module These modules cost significantly less than new modules and meet the same factory specifications 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 New Modules You may purchase replacement modules in the same way as other replacement parts Using the Replaceable Parts List This section contains a list of the mechanical and or electrical c
103. t panel unit See Figure 7 4 on page 7 11 for detailed view Figure 7 2 Internal modules 1 RTX130A OAM amp VSB RF Signal Generator Service Manual Replaceable Parts List Replaceable parts list Fig amp index number 7 3 1 Tektronix part number 650 4933 00 671 5975 00 671 5987 00 211 0373 00 671 5976 00 174 5190 00 210 0054 00 214 3903 01 211 0373 00 333 4518 00 211 0373 00 211 0373 00 426 2624 00 211 0373 00 343 1697 00 Serial no effective Serial no discont d bs on Name amp description PROCESSOR MODULE W BRACKET LABEL 334448100 CIRCUIT BD ASSY A12 MAIN 389 3734 00 WIRED CIRCUIT BD ASSY A180 SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX CIRCUIT BD ASSY A20 PCI BACK PANEL 389 3735 00 WIRED CABLE ASSEMBLY 28AWG FLAT 1 27C TR W CONN D SUB2582X13 WASHER LOCK 4 SPLIT 0 025 THK STL CD PL SCREW JACK 4 40X0 312 EXT THD 4 40 INT THD 0 188 HEX STEEL CAD PLATE SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX PANEL PCI BLANK NI PL STL SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX FRAME SECTION TOP MTX100A STL SCREW MACHINE 4 40X0 25 PNH STL ZN CM1 T10 TORX RETAINER CKT BD PCI MTX100A STL Mfr code 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 Mfr part number RTX130A OAM amp VSB RF Signal Generator Service Manual
104. th dry low pressure deionized air approximately 9 psi Remove any remaining dust with a lint free cloth dampened in ethyl alcohol and rinse with warm deionized water A cotton tipped applicator is useful for cleaning in narrow spaces and on circuit boards STOP If after performing steps 1 and 2 a module is clean upon inspection skip the remaining steps If steps 1 and 2 do not remove all the dust or dirt the RTX130A may be spray washed using a solution of ethyl alcohol by performing steps 4 through 8 Gain access to the parts to be cleaned by removing easily accessible shields and panels see Removal and Installation Procedures Spray wash dirty parts with the ethyl alcohol and wait 60 seconds for the majority of the alcohol to evaporate Use hot 120 F to 140 F deionized water to thoroughly rinse them Dry all parts with low pressure deionized air Dry all components and assemblies in an oven or drying compartment using low temperature 125 F to 150 F circulating air Lubrication There is no periodic lubrication required for the RTX130A RTX130A QAM amp VSB RF Signal Generator Service Manual _ BS ae Removal and Installation Procedures This subsection contains procedures for removal and installation of all mechani cal and electrical modules Preparation WARNING Before performing this or any other procedure in this manual read the Safety Summary found at the beginning of this man
105. tructions before removing a module 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 RTX130A If you are removing a module for service begin by performing the procedure Access Procedure page 4 14 By following the instructions in that procedure you remove the module to be serviced while removing the minimum number of additional modules The procedures are described in the order in which they appear in this section In addition you can look up any procedure for removal and reinstallation of any module in the Table of Contents of this manual m The Access Procedure on page 4 14 first directs you to the procedure s if any that are required to access the module to be serviced then it directs you to the procedure to remove that module Table 4 3 Summary of procedures Procedure Procedures for m Cabinet m Front panel unit External Modules m Right side cover m Front panel assembly m Left side cover Procedures for Board m A180 QAM Modulator A20 PCI Backplane Modules board board m A12 Main board m Printer connector m CPU board Procedures for Internal m DVD drive m 12 V main power supply 4 26 Module m Hard disk drive m A40 AC Distributer Internal and external board fans m RFI filter RTX130A QAM amp VSB RF Signal Generator Service Manual Removal and I
106. type D sub 15 pin Pin assignments 1 RED 9 NC 2 GREEN 10 GND 3 BLUE 11 NC 4 NC 12 NC 5 GND 13 HSYNC 6 GND 14 VSYNC 7 GND 15 NC 8 GND USB 2 0 interface Number of connectors 2 Pin assignments 1 VCC 2 DATA 3 DATA 4 GND LAN interface 10 100 1000 Base T Ethernet interface Connector type RJ45 Pin assignments 1 MDI_0 5 2 2 MDIO 6 MDI 1 3 MDI t 7 MDI 3 4 MDI 2 8 MDI 3 RTX130A OAM amp VSB RF Signal Generator Service Manual 1 9 Specifications Table 1 2 Mainframe Cont Characteristics Printer port Connector type Pin assignments Serial interface Com Connector type Pin assignments IEEE1394B interface Compliant Pin assignments AC line power Rating Voltage Voltage Range Frequency Range Maximum power Maximum current Main fuse data 1 10 Description Supports SPP Standard Parallel Port EPP Enhanced Parallel Port and ECP Extended Capabilities Port modes D sub 25 pin 1 STROBE 14 AUTOLF 2 DO 15 ERR Di 16 INIT 4 D2 17 SELECT 5 D3 18 GND 6 D4 19 GND 7 D5 20 GND 8 D6 21 GND 9 D7 22 GND 10 ACK 23 GND 1 BUSY 24 GND 12 Paper Empty 25 GND 13 SELECT RS 232C D sub 9 pin 1 DCD 6 DSR 2 RX 7 RTS 3 TX 8 CTS 4 DTR 9 Ri 5 GND IEEE1394B 2002 1 TPB 6 VG 2 TPB NC 3 8 VP 4 9 TPB R 5 TPA R 100 VAC to 240 VAC CAT Il 90 VAC to 250 VAC 50 Hz to 60 Hz 180 VA 1 3A 5 A Time delayed 250 V not operator replaceable 2 A Time delayed 250 V not
107. ual Also to prevent possible injury to service personnel or damage to components of the RTX130A read Installation in Section 2 and Preventing ESD in this section This subsection contains the following items m Preparatory information that you need to properly perform the procedures that follow m Listoftools required to remove and disassemble all modules m Three module locator diagrams for finding the External modules see Figure 4 2 on page 4 11 Board modules see Figure 4 3 on page 4 12 and Internal modules see Figure 4 4 on page 4 13 W Procedures for removal and reinstallation of the electrical and mechanical modules disassembly procedure for removal of all the major modules from the RTX130A at one time and for reassembly of those modules into the RTX130A Such a complete disassembly is normally only done when completely cleaning the RTX130A Instructions for doing the actual cleaning are found under Inspection and Cleaning at the beginning of this section WARNING Before performing any procedure in this subsection disconnect the power cord from the line voltage source Failure to do so could cause serious injury or death RTX130A QAM amp VSB RF Signal Generator Service Manual 4 7 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Removal and Installation Procedures General Instructions Summary of Procedures Read these general ins
108. upply Figure 4 20 Troubleshooting procedure 5 4 42 m f the 12 V line is faulty check the 174 5177 00 and 174 5178 00 cables or replace the main power supply m f the other voltage is faulty replace the A20 PCI Backplane board RTX130A QAM amp VSB RF Signal Generator Service Manual Troubleshooting Connect a VGA monitor to the VGA connector on the rear panel Restart the RTX130A Are any images displayed on the monitor Replace the CPU board m Check the 174 5184 00 and Does the backlight 174 5220 00 cables light m Replace the A35 Power switch board m Check the 259 A002 00 cable m Replace the A30 Front Panel board m Replace the LCD module Figure 4 21 Troubleshooting procedure 6 RTX130A QAM amp VSB RF Signal Generator Service Manual 4 43 Troubleshooting No Have the LEDs on the m Check the 174 5186 00 and 174 5220 00 cables m Replace the A30 Front Panel board m Reinstall the RTX130A application front panel gone off Reinstall the Windows XP operating system and the RTX130A application Is the SPI Output Enable check box in DO m Verify the BIOS settings for Com2 m Replace the CPU board m Replace the A20 PCI Backplane board the Others dialog box selected Yes Select the SPI Output Enable check box Can a stream data be output from the SPI No Replace the A12 Main board Fi
109. x part number 174 5135 00 to connect the ASIISMPTE OUT connector on the interface card to the ASI SMPT IN connector on the Transport Processor card 11 Use the crossover Ethernet cable to connect the MPEG transport stream monitor to a PC See Figure 3 12 PC RTX130A rear panel P 9 9 Crossover Ethernet cable OO bP C 196 one Em MPEG transport stream monitor rear panel MTM400 opo 2 00000000 0 20006000000 0000005000000 zs WC P gup ele BNC Fe to F Ma adapter Two 20 dB attenuators 75 BNC cable Figure 3 12 Equipment connection for checking the output for errors 3 26 RTX130A QAM amp VSB RF Signal Generator Service Manual Performance Verification 12 Set the MPEG transport stream monitor as indicated below by clicking the item button Configuration screen Standard DVM QAM module or MPEG 8 VSB module Region or Type Standard Interface QAM A B C or 8 VSB Interface Stream Name don t care Template Checking unchecked Maintenance Mode unchecked QAM Settings or Interface Settings dialog box click the Co

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