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MSO70000/C Series

1. Item no Module code Description 6 ATA ATAPI SATA 5A Resetting PATA SATA bus and all devices 5B Reserved for ATA 7 SMBus 5C Resetting SMBUS 5D Reserved for SMBUS went on Monday 8 Local Console 70 Resetting the VGA controller 71 Disabling the VGA controller 72 Enabling the VGA controller 9 Remote Console 78 Resetting the console controller 79 Disabling the console controller 7A Enabling the console controller 10 Keyboard PS2 or 90 Resetting keyboard USB 91 Disabling keyboard 92 Detecting presence of keyboard 93 Enabling keyboard 94 Clearing keyboard input buffer 95 Instructing keyboard controller to run Self Test PS2 only 11 Mouse 52 or USB 98 Resetting mouse 99 Disabling mouse 9A Detecting presence of mouse 9B Enabling mouse 12 Fixed Media B0 Resetting fked media Bl Disabling fked media B2 Detecting presence of a fxed media IDE hard drive detection etc B3 Enabling confguring a fxed media 13 Removable media B8 Resetting removable media B9 Disabling removable media BA Detecting presence of a removable media IDE CD ROM detection etc BC Enabling confguring a removable media 14 BDS Dy Trying boot selection y y 0 to 15 15 PEI Core E0 Started dispatching PEIMs emitted on frst report of EFI SW PC INIT BEGIN EFI SW PEI PC HANDOFF TO NEXT E2 Permanent memory found E1 Reserved for PEI PEIMs MSO70000 C DSA70000B C DPO70000B C DPO7000 50
2. xi Manual ERE RUN V edu pasear bee xi Manual Conyentiols oie seo e e E Yn oO anaes E xi Getting Started Where to Find Operating ee meme messen 1 1 Theory of Operation Theory ot Operation deg Mand EE 2 Module Overviews DPO7000 Series DSA DPO70000B C Series 2 1 Module Overviews MSO70000 C Series 4 2 6 Module Overviews MSO DPOS5000 Series pp 2 10 Adjustment Procedures Adj stiment e En ee EN HERR a aed NR tee UR EY ane VR Ea a RR UR 3 1 Adjustment After Repair 2 21 ree eee E ere esa Ee EU Ede ERE EE TY ion 3 1 Adjustment iP EEUU 3 1 Maintenance TS 4 1 Inspection and Cleanings e rene DERE 4 2 Genera E EDT 4 2 Interior eni ES 4 2 Exterior Cleaning 4 2 Flat Panel Display Cleaning mese eren 4 3 Returning the Instrument for 1 eee ese eene ees 4 6 Removal and Installation Overview pp 4 7 Preparation T 4 7 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series i Table of Contents Module Removal DPO7000 Series pp 4 8 Module Removal DSA DPO70000B Ser
3. Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 1 EXTERNAL PARTS 1 016 1966 00 1 POUCH ACCESSORIES BLACK SNAP ON 2 200 4956 00 1 COVER TOP COSMETIC 3 211 1224 00 8 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 4 200 4954 00 1 COVER EMI TOP SAFETY CONTROLLED 5 348 1861 00 4 FOOT REAR ASSY W CORD WRAP THERMOPLASTIC SRY 0 174 5227 00 1 CABLE ASSY LINE FILTER SAFETY CONTROLLED 7 200 4958 00 1 COVER LEFT COSMETIC STINGRAY 8 212 0232 00 SCREW MACHINE 8 32 X 1 125L PNH STL BLACK OXIDE T 20 9 367 0528 00 1 HANDLE CARRYING DUAL DUROMETER MOLDED POLYPROPYLENE VINYL GRIP SECTION SAFETY CONTROLLED 407 4887 00 1 BRACKET HANDLE BASE PC ABS ALLOY BAYER BAYBLEND FR 110 TEK BLUE 10 200 4955 00 1 COVER EMI BOTTOM SAFETY CONTROLLED 11 101 0172 00 1 TRIM ACQUISITION INSERT VPI ONLY 101 0173 00 1 TRIM ACQUISITION INSERT HPI ONLY 12 200 4963 00 1 COVER FRONT PC ABS ALLOY BAYBLEND 13 335 1757 00 1 MARKER IDENT LABEL IDENTIFICATION 7354 ONLY 335 1520 00 1 MARKER IDENT LABEL IDENTIFICATION 7254 ONLY 335 1551 00 1 MARKER IDENT LABEL IDENTIFICATION 7104 ONLY 335 1552 00 1 MARKER IDENT LABEL IDENTIFICATION 7054 ONLY 14 101 0174 00 1 TRIM DVD 15 101 0171 00 1 TRIM RING 110 PC ABS 16 200 4957 00 1 COVER RIGHT COSMETIC STINGRAY 17 355 0303 00 4 STUD SNAP 0 570 DIA 0 165 THK STAINLESS STEEL 18 211 0721
4. Cable dress for fan cable supply Line cable filter cable of aL T a i Figure 5 11 Power supply and fans DSA DPO70000B Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 23 Replaceable Parts DSA DPO70000B Series Table 5 11 Replaceable parts assembly DSA DPO70000B Series Tektronix Serial Fig amp index part Serial no no number number effective discont d Qty Name amp description 5 12 and 5 13 MOTHERBOARD 1 174 4797 00 1 CA ASSY 20 PIN ATX POWER SAFETY CONTROLLED 2 065 0745 02 1 SERVICE KIT FOR CPU BRD CPU FAN AND HEAT SINK ASSEMBLY 167 0657 00 1 PROCESSOR PENTIUM 4 3 4 GHZ INTERNAL CLOCK 400MHZ BUS W O FAN HEATSINK HH80552P G0962M 119 7333 00 1 FAN HEATSINK AND BRACKET 3 211 0935 00 8 SCREW MACHINE 6 32 X 0 50 PNH T 15 SST PASSIVATED 4 174 4798 00 1 CA ASSY 4 PIN P4 POWER 5 050 3723 00 1 PARTS REPLACEMENT KIT AIMB562VG 00A1E BIOS 562X12AN BIN ALC888 AUDIO CODEC 039018601 WITH 063425400 AIMB 562 AUDIO DRIVER ADVANTECH VERSION 5 10 0 5324 DP07000 DPO DSA70000 DPO DSA7000B VM6000 DSA8200 TLA5000B SERIES 6 167 1048 00 2 IC MEMORY 128M X 64 1GB DDR2 1 8V 3 3 3 MT16HTF12864AY 40E DIMM240 DS1 7 119 7333 00 1 HEATSINK AND BRACKET 8 342 1198 00 1 DAMPENER PORON FOAM FOR P4 HEATSINK 9 174 5271
5. When you press the power switch the switch turns green and the instrument should boot If this does not happen isolate the problem to a module as follows m Remove boards one at a time to locate a fault the COM E Interface board with module Main board Analog board and Front panel board Ifthe previous step did not identify the problem check the IEC power cable B Ifthe previous step did not correct the problem replace the power supply If the Instrument Will Not Boot If nothing is displayed check that the display is turned on At boot time and while using an external monitor connected to the external video port press the Del key on a connected keyboard to enter the BIOS setup If the instrument will not start press the Del key on the connected keyboard Go into CMOS setup and select Load optimized defaults If the Instrument Application Does Not Work Ifthe instrument starts Windows but the instrument application does not work the DPO Main graphic is displayed check the following 1 The diagnostic LEDs See the following section Check to see if the PCle locked LED is lit The application software The Analog board The COM E Interface board Did someone exit the application using Task Manager and then try to reenter the application without rebooting 6 Ifthe relays click the acquisition is running Checking the Backlight If the instrument display is not working shine a flashlight directl
6. 5 12 Table 5 6 Replaceable parts Drives DPO7000 Series pp 5 14 Table 5 7 Replaceable parts External 1 DSA DPO70000B 5 16 Table 5 8 Replaceable parts External 2 DSA DPO70000B 5 18 Table 5 9 Replaceable parts Front panel and display DSA DPO70000B Series 5 20 Table 5 10 Replaceable parts Power supply and fans DSA DPO70000B Series 5 22 Table 5 11 Replaceable parts uATX assembly DSA DPO70000B 5 24 Table 5 12 Replaceable parts Acquisition assembly DSA DPO70000B Series 5 27 Table 5 13 Replaceable parts Interface board DSA DPO70000B Series ppp 5 28 Table 5 14 Replaceable parts Drives DSA DPO70000B 5 30 Table 5 15 Replaceable parts External 1 MSO70000 C DSA DPO70000C Series 5 32 Table 5 16 Replaceable parts External 2 MSO70000 C DSA DPO70000C Series 5 34 Table 5 17 Replaceable parts Front panel MSO70000 C DSA DPO70000C Series 5 36 MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series v Table of Contents vi Table 5 18 Table 5 19 Table 5 20 Table 5 21 Table 5 22 Table 5 23 Table 5 24 Table 5 25 Table 5 26 Table 5 27 Table 5 28 Table 5 29 Table 5 30
7. DPO71604B 335 1941 00 MARKER IDENT DPO72004B 335 1946 00 MARKER IDENT DSA70404B 335 1945 00 MARKER IDENT DSA70604B 335 1944 00 MARKER IDENT DSA70804B 335 1949 00 MARKER IDENT DSA71254B 335 1948 00 MARKER IDENT DSA71604B 335 1947 00 MARKER IDENT DSA72004B 13 348 1817 00 2 FOOT SKID 5 16 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DSA DPO70000B Series Figure 5 8 External parts 1 DSA DPO70000B Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 17 Replaceable Parts DSA DPO70000B Series Table 5 8 Replaceable parts External 2 DSA DPO70000B Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 9 EXTERNAL PARTS 1 174 5226 00 1 CABLE ASSY LINE FILTER 2 211 1050 00 16 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 200 4936 00 1 COVER EMI BOTTOM DPO DSA70804 70604 70404 200 5007 00 1 COVER EMI BOTTOM DPO DSA720004 71604 71254 200 5007 00 1 COVER EMI BOTTOM DPO DSA7 4 200 5067 00 1 COVER BOTTOM COSMETIC W FEET 5 212 0232 00 2 SCREW MACHINE 8 32 X 1 1251 PNH STL BLACK ZINC SPEC ASTM B633 TYPE Il T 20 0 367 0528 00 1 HANDLE CARRYING DUAL DUROMETER MOLDED POLYPROPYLENE VINYL GRIP SECTION 407 4887 00 1 BRACKET HANDLE BASE PC ABS ALLOY BAYER BAYBLEND FR 110 TEK BLUE 7
8. DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Theory of Operation OO aa el Backlight Inverter Front Panel TekLink Front Mount USB 2 0 Rear Chassis GPIB On Standby J1 USB 1 0 J1000 Video GPIB TekLink I O Display uATX Motherboard PCI Backbone Board Rear Motherboard I O keyboard mouse serial parallel VGA USB audio Ethernet PCI Edge Connector 2x2 IDE Motherboard Power J2660 PATA Pentium Power J2650 Power Distribution Board HD CD Power Fan Power 0075009 Line In Filter Figure 2 2 Block diagram DSA7 DSA70000B C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 2 5 Theory of Operation Module Overviews MSO70000 C Series Input Signal Path 2 6 Module overviews describe the basic operation of each functional circuit block See Figure 2 3 on page 2 9 A Microsoft Windows processor system is the primary controller of the instrument The instrument features a flat panel display a transparent touch screen and a front panel with direct access to commonly used instrument functions You can also make complete use of the instrument with a mouse and keyboard An analog signal enters the instrument through a connection to the input connector on the front panel Acquisition Board The acquisition board conditions the input signals and converts
9. KNOB 685 DIAMETER SOFT TOUCH 2 366 0861 01 1 ASSEMBLY 925 DIAMETER SOFT TOUCH 13 174 5162 00 1 CABLE ASSY DISPLAY ADAPTER TO FRONT PANEL BOARD 14 211 0747 00 8 SCREW MACHINE 6 32 X 0 188 PNH STL CDPL T 15 TORX DR 15 211 0721 00 4 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR 16 065 0742 00 1 MODULE ASSY SERVICE REPLACEMENT TOUCH PANEL W PACKAGING 17 065 0766 01 1 MODULE ASSY SERVICE REPLACEMENT LCD INTERCONNECT DISPLAY ADAPTER BOARD W PACKAGING 18 174 5160 00 1 CABLE ASSY DISPLAY ADAPTER TO DISPLAY 19 065 0746 01 1 POWER BUTTON ASSEMBLY MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 5 5 Replaceable Parts DPO7000 Series j y To J4 on display module 0076 001 Figure 5 2 Front panel and display DPO7000 Series 5 6 MSO70000 C DSA70000B C DPO70000B C DPO7000 05000 DPO5000 Series Replaceable Parts DPO7000 Series Table 5 3 Replaceable parts Power supply and fans DPO7000 Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 3 POWER SUPPLY AND FANS 1 119 6982 1 POWER SUPPLY AC DC 460W 3 3V 40A 5V 34A 12V 25A 12V 1A 45VSB 2A 90 264VAC 47 63HZ BERG 51624 XX001 9 5X4 9X3 8IN SAFETY CONTROLLED 2 407 5089 00 1 BRACKET LVPS SAFETY CONTROLLED 3 211 1050 00 9 SCREW MACHINE 6 32 X 0
10. and cable Booting Into Windows If the instrument will not start run the CMOS restore utility See page 4 43 Update Restore the Board CMOS If the instrument starts finds the hard disk but locks up while displaying the Windows splash screen 1 Select the Integrated video port using the setup menu 2 Disable the buses and disconnect the PPC board by installing J111 3 Ifthe system boots It will only boot to Windows the instrument application will not run to the external uATX video port replace the Power Interface board If the Instrument Application Does Not Work If the instrument starts Windows but the instrument application does not work the DPO Main graphic is displayed check the following 1 The application software 2 The Acquisition board 3 The Power Interface board try removing and reinstalling the Power Interface board 4 Did someone exit the application using Task Manager and then try to reenter the application without rebooting 5 If the relays click the acquisition is running 6 On the Settings tab of the desktop properties select Advanced and then the Performance tab Hardware Acceleration must be set to Full for video merge to work If you change the setting restart Instrument Diagnostics primary diagnostics for the instrument are accessible through the oscilloscope application software Procedures for running these diagnostics are described next The Instrument dia
11. 00 1 IDE CABLE WITH STRAIN RELIEF amp PULL TAB 5 24 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts DSA DPO70000B Series Power distribution board 1 5 Figure 5 12 039 0173 xx and 065 0745 uATX DSA DPO70000B Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 25 Replaceable Parts DSA DPO70000B Series Power w distribution gt Tip plo d b L er _ 0076005 7 Figure 5 13 039 0185 xx pATX assembly DSA DPO70000B Series 5 26 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 5000 Series Replaceable Parts DSA DPO70000B Series Table 5 12 Replaceable parts Acquisition assembly DSA DPO70000B Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 14 ACQUISITION 1 214 3903 00 8 SCREW J 4 40 X 0 312 LONG 0 188 HEX HEAD STAND OFF 4 40 INT THD X 0 312 THD EXT 4 40 2 ean Rah 1 ACQUISITION MODULE RETURN TO TEKTRONIX FOR SERVICE 3 211 0752 00 10 SCREW MACHINE 6 32 X 0 75 PNH TORX 4 211 1050 00 7 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 Figure 5 14 Acquisition assembly DSA DPO70000B Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 27 Replaceable Parts DSA DPO70000B Series Table 5 13
12. 348 1515 00 1 FEET CABINET BLACK GLASS FIBRE REINFORCED PLASTIC SET OF 4 FEET 4 RUBBER INSERTS 8 211 1224 00 4 SCREW MACHINE BLACK 9 348 1817 00 2 FOOT SKID 5 18 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DSA DPO70000B Series Figure 5 9 External parts 2 DSA DPO70000B Series 5 19 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts DSA DPO70000B Series Table 5 9 Replaceable parts Front panel and display DSA DPO70000B Series Fig amp index Tektronix Serial no Serial no number part number effective discont d Qty Name amp description 5 10 FRONT PANEL AND DISPLAY 1 174 5165 00 1 CABLE ASSY POWER SWITCH 2 065 0756 02 1 MODULE ASSY SERVICE REPLACEMENT KIT 614104101 FRONT PANEL ASSEMBLY W PACKAGING DPO7000 DP O DSA70000 SERIES 3 671 6062 00 1 CIRCUIT BOARD ASSY FRONT PANEL ENCODER 4 065 0760 00 1 CIRCUIT BD ASSY FRONT PANEL MAIN 5 260 2818 00 1 SWITCH KEYPAD ELASTOMER EMAT 0 211 1150 00 1 SCREW MACHINE 6 32 X 0 172 PNH STL T 15 TORX DR BLACK OXIDE 7 407 5140 00 1 BRACKET TRIM FRONT PANEL SHEET METAL 8 333 4522 00 Discontinued 1 PANEL ASSEMBLY FRONT SUBPANEL W BRACKET ASSEMBLY BEZEL amp LABEL 333 4564 00 Discontinued 1 PANEL ASSEMBLY FRONT SUBPANEL W BRACKET ASSEMBLY BEZEL amp LABEL 9 366 0859 01 1 ASSEMBLY 470 D
13. Auto detect EEPROM 10 Check the Flash type and copy fbsh write erase routines to OF000h segments Reserved 11 CMOS Check 12 Check CMOS Circuitry and reset CMOS Reserved 13 Chipset Default load 14 Program the chipset registers with CMOS values Reserved 15 Clock Init 16 Init onboard clock generator Reserved 17 Identify the CPU 18 Check the CPU ID and init L1 L2 cache Reserved 19 Reserved 1A Setup Interrupt Vector 1B Initialize frst 120 interrupt vectors with SPURIOUS INT HDLR and Table initialize INT 00h 1Fh according to INT_TBL Reserved 1C MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 53 Troubleshooting MSO DPO5000 Series Table 4 20 BIOS POST codes ECM 945GM Series cont Displayed Module POST code Description Early PM Init 1D First step initialize if single CPU onboard Reserved 1E Re initial KB 1F Re init KB Reserved 20 HPM init 21 If support HPM HPM get initialized here Reserved 22 Test CMOS Interface 23 Verifes CMOS is working correctly and detects bad battery and Battery Status If failed load CMOS defaults and load into chipset Reserved 24 Reserved 25 Reserved 26 f al Init 27 Final Initial KBC and setup BIOS data area Reserved 28 Initialize Video 29 Read CMOS location 14h to find out type of video in use Interface Detect and Initialize Video Adapter Reserved 2A Reserved 2B Reserved 2C Video memory
14. CHASSIS DRIVE BAYS DVD AND HD 2 211 1050 00 11 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 5 38 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Figure 5 20 Drive bay 1 070000 DSA DPO70000C Series 8070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 5 39 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 19 Replaceable parts Drive bay 2 MSO70000 C DSA DPO70000C Series Tektronix Serial Fig amp index part Serial no no number number effective discont d Qty Name amp description 5 21 DRIVE BAY 2 1 065 0844 00 1 DRIVE ASSEMBLY WITH PACKAGING 6505284XX PRGM HDD ASSY WITH OS APPS SW ON HIDDEN PARTITION FOR ADVANTECH AIMB 566 MOTHERBOARD MSO 70000 065 0844 01 1 DRIVE ASSEMBLY WITH PACKAGING 6505284XX PRGM HDD ASSY WITH OS APPS SW ON HIDDEN PARTITION FOR ADVANTECH AIMB 566 MOTHERBOARD MSO7000 2 211 0722 00 8 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 174 5169 00 1 CABLE ASSY SATA COMBO HARD DRIVE CABLE 174 5349 00 1 CABLE ASSY SATA COMBO HARD DRIVE CABLE 4 174 5650 00 1 CABLE ASSY SATA DVD DATA AND POWER 5 211 0950 00 4 SCREW MACHINE M2X 4X3L PHL PNH STL NI PL 6 407 5156 00 1 BRACKET DVD CD RW ADAPTER FOR DVD CD RW SLIMLINE 7 065 0807 00 1 DISK DRIVE OPTICAL 644MB CD RW DVD ROM COMBO 16 7 MB SEC IDE ATAPI DW 22
15. COM E Interface Board LEDs If DS19 DS18 DS10 on the COM E Interface board lights use the following information to determine the meaning If none of these LEDs come on it is likely a power supply issue or a faulty COM E Interface board corrupted firmware in the The table and the following text provide details about these LED conditions Table 4 17 LED Definitions LED Color Definition 0519 Green On ifall of the DC DC converters are operating properly DS18 Green On if the PS ON signal to the COM E board is high Power is off DS10 Red On if a fault was detected see the following information about DS10 conditions DS19 DC DC OK Green This light comes on after the oscilloscope power button is pressed and the oscilloscope is in the normal operating mode If this light is on it means that all of the COM E Interface board power supplies are up and within spec It also indicates that all of the DC power supplies on the Main board are working It does not check the power supplies on the Main board to see if they are within tolerance or working correctly 0518 PS ON Green This light comes on when the Standby power supply is plugged in and the oscilloscope is in the Off state It is plugged into an AC outlet but not turned on This light goes out when DC DC OK turns on This light is also typically on when the front panel power button is amber m DS10 Fault Red This LED indicates a pro
16. DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Turn on power Possible cause is not plugged in 1 Instrument power cord 2 Faulty power supply 3 Faulty power Instrument interconnect powers on fans run Come Up 4 Do Isolating to a Board If Power Will Not Possible cause 1 SO DIMMs incorrectly installed or missing 2 Defective uATX motherboard 3 Check beep codes Instrument appears dead dead screen Install XGA monitor to XGA port Flat panel display OK No Bad DA or inverter board Loose connections Possible cause turned down 3 Defective monitor BIOS error message See BIOS error code table BIOS setting bad power interface board Bad WAT X motherboard 1 Monitor cable defective or not connected to instrument 2 External monitor controls Figure 4 5 Primary troubleshooting tree MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 1 See If the Instrument Will Not Boot Windows No Boots 2 See Booting Into Windows Yes 3 Boot to Safe Mode and restore the registry Run instrumel If the instrumen already running Start Passes all tests nt diagnostics Acquisition board defective Application is not Start it from the menu Reinstall instrument software see user Instrument manual
17. DPO7000 505000 DPO5000 Series Replaceable Parts MSO DPO5000 Series Table 5 30 Replaceable parts Cable and connectors rear chassis MSO DPO5000 Series Figure and Serial Serial index Tektronix no no no part no effective discont d ty Name and description 5 32 CABLES REAR CHASSIS 1 174 5808 00 1 CABLE IEC TO POWER SUPPLY 2 174 5704 00 1 CABLE ASSEMBLY MAIN BOARD TO INTERFACE POWER COM E BOARD J9 From deum System fan Main board J10 From Power Supply Figure 5 32 Rear chassis showing cables and connectors MSO DPO5000 Series 5 62 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO DPO5000 Series Table 5 31 Replaceable parts Cable and connectors Main board MSO DPO5000 Series Figure and Serial Serial index Tektronix no no no part no effective discont d Qty Name and description 5 33 Cable Main Board 1 174 5809 00 1 CABLE MAIN BOARD TO FRONT PANEL BOARD J1201 J601 Saale iz Front panel board J301 To Comm E board Figure 5 33 Main board showing cable and connectors MSO DPO5000 Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 63
18. DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 7 Module Removal DPO7000 Series Module Removal DPO7000 Series 4 8 To remove a module refer to the module locator See Figure 4 1 You can also refer to the exploded view diagrams See page 5 2 Using the Replaceable Parts List To access the modules refer to the module removal table See Table 4 4 on page 4 9 Motherboard Power Fan assembly supply assembly E DVD Power pm A SS 5 YE d 7 Display cA EA Ew Removable hard drive Power interface assembly assembly USB Acquisition assembly Figure 4 1 DPO7000 Series module locations 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Module Removal DPO7000 Series Table 4 4 DPO7000 Series module removal You must first remove Trim amp covers DVD Hard drive Acquisition Power supply Power assembly interface Front panel X Display X Front USB X DVD X Hard drive X X uATX X X X motherboard Power X X interface Acquisition X assembly Power supply X X X Power X X X X interconnect Fan assembly X Power button X MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 4 9 Module Removal DSA DPO70000B Series Module Removal DSA DPO70000B Series To remove a module refer to the module locator See Figur
19. Format command Format will destroy all data currently on the disk 5 lfreformatting the hard disk and reloading the software does not repair the disk install a new hard disk drive 4 44 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting MSO DPO5000 Series Troubleshooting MSO DPO5000 Series Software Updates After Repair WARNING Before performing this or any other procedure in this manual read the safety summaries at the beginning of this manual Also to prevent possible injury to service personnel or damage to the instrument components read Installation and Preventing ESD in this section See page 4 1 Preventing ESD 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 This section contains information and procedures designed to help you isolate faults to a module This section requires that service personnel have the appropriate skills to work on this instrument including PC troubleshooting and Microsoft Windows operating system skills Details of PC and Windows operation and service are not in this manual For assistance contact your local Tektronix Service Center You can install the latest firmware in one of the following ways Connect to the Internet You can connect your oscilloscope to the Internet and download the new firmware from www tektronix com sof
20. Overview Safety Symbols and terms related to safety appear in the Service Safety Summary xii 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Getting Started Where to Find Operating Information For information on installing operating and networking the instrument refer to the online help or user manual that was provided with your oscilloscope You can also find the manual at www tektronix com manuals by searching for your product MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 1 1 Where to Find Operating Information 1 2 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Theory of Operation Theory of Operation This section describes the electrical operation of the instrument The following figures show the module interconnections See Figure 2 1 on page 2 4 Logic Conventions The instrument contains many digital logic circuits This manual refers to these circuits with standard logic symbols and terms Unless otherwise stated all logic functions are described using the positive logic convention the more positive of the two logic levels is the high 1 state and the more negative level is the low 0 state Signal states may also be described as true meaning their active state or false meaning their nonactive state The specific voltages that constitute a high or low state vary among the electronic devices Module Overviews DPO700
21. Replaceable parts Interface board DSA DPO70000B Series Tektronix Fig amp index part Serial no Serial no number number effective discont d Qty Name amp description 5 15 INTERFACE BOARD 1 065 0825 00 1 KIT SERVICE REPLACEMENT BACKBONE BOARD ASSY 6646431XX TESTED W PACKAGING ATTACHED PARTS 386 7536 00 1 BRACKET STIFFENER FOR PCI PCB 211 0747 00 5 SCREW MACHINE 6 32 X 0 188 PNH STEEL ZINC FINISH T 15 TORX DR END ATTACHED PARTS 2 211 1050 00 6 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 335 1604 00 1 LABEL REAR 1 0 PLATE SAFETY CONTROLLED 4 214 3903 00 2 SCREW J ACK 4 40 X 0 312 LONG 0 188 H HEX HEAD STAND OFF 4 40 INT THD X 0 312 THD EXT 4 40 5 211 1206 00 2 SCREW J 2 56 ID X 4 40 OD 0 188 HEX SS 0 214 1061 00 2 CONTACT ELEC GROUNDING CU BE SAFETY CONTROLLED 7 386 7447 00 1 PLATE REAR PCI I O 8 174 5164 00 1 CA ASSY USB 2 0 9 679 6107 00 1 CIRCUIT BD ASSY USB 10 211 1221 00 2 SCREW 2 0 6 LONG PHILLIPS FLATHEAD ZINC PLATED 11 174 5048 00 1 CA ASSY USB 1 0 12 174 4241 00 1 CABLE ASSY RIBBON BUS IDC 32 AWG 16 50 L 60P OS BOX IDC FEMALE RTANG 0 050CTR X 2 13 386 7481 00 1 BRACKET BRACE BETWEEN PCI PCB AND DRIVE BRACKET 5 28 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts DSA DPO70000B Series Font panel cable from the interface board to J2 on Mees the
22. back to RAM and clear screen Pre boot Enable 84 Enable parity checker Enable NMI enable cache before boot Initialize Option ROMs 85 Initialize any option ROMs present from C8000h to EFFFFh NOTE When FSCAN option is enabled ROMs initialize from C8000h to F7FFFh Reserved 86 Reserved 87 Reserved 88 Reserved 89 Reserved 8A Reserved 8B Reserved 8C Reserved 8D Reserved 8E Reserved 8F Reserved 90 Reserved 91 Reserved 92 Boot Medium detection 93 Read and store boot partition head and cylinders values in RAM Final Init 94 Final init for last micro details before boot Special KBC patch 95 Set system speed for boot Set up NumLock status according to S etup Boot Attempt 96 Set low stack Boot via INT 19h Boot FF MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 57 Troubleshooting MSO DPO5000 Series BIOS Beep Codes Hard Disk Drive Repair When the COM E board powers on a number of the BIOS checkpoints generate an audible beep code on failure using the standard PC speaker also routed through the board audio system The beep codes are listed in the following table Codes are also written to I O port 80h and the video adapters External ROM modules may issue a series of tones on error detection Table 4 21 BIOS beep codes Beep code Error message 1 short beep Self test has completed without error 3 beeps Memory Use the same procedures to maintain the instrument hard disk drive that y
23. 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 Part number m Instrument type or model number Instrument serial number 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 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 remanufactured 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 www tektronix com for a list of offices 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 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 1 Rep
24. indicates that the instrument is on There are two beep codes A single long beep followed by two short beeps video error single long beep that repeats DRAM error Main Board LEDs m DS7301 PLX PCIe Link OK LED Orange This is the first LED on the Main board to turn on during a power up The PLX bridge is what connects to the COM E Computers PCIe connection When the bridge establishes that the link 1s working this light comes on This does not indicate that the PLX 15 fully functional but it is a good indication of functional digital power supplies on the Main board as well as a functional COM E Module m DS7302 FPGA Loaded Green When this light comes on it means that the Tektronix Acquisition Driver has loaded and the FPGA is configured and ready for use This is typically the second LED to come on during a bootup sequence This generally indicates that the path from the COM E module through the PLX and to the FPGA is working properly m DS9004 ACQ Activity Green This light flashes when any activity occurs between the acquisition system and the COM E computing system Register reads and writes as well as Data DMA transfers cause this light to illuminate This is generally a good indicator that the oscilloscope application software is running and talking to the acquisition system correctly MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 49 Troubleshooting MSO DPO5000 Series
25. no number number effective discont d Qty Name amp description 5 24 ACQUISITION 1 214 3903 00 8 SCREW J 4 40 X 0 312 LONG 0 188 H HEX HEAD STAND OFF 4 40 INT THD X 0 312 THD EXT 4 40 V MEN S S Su 1 ACQUISITION MODULE RETURN TO TEKTRONIX FOR SERVICE 3 211 0752 00 10 SCREW MACHINE 6 32 X 0 75 PNH TORX 4 211 1050 00 7 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 5 6 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Figure 5 24 Acquisition assembly MSO70000 C DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 7 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 23 Replaceable parts MSO module MSO70000 C Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 25 MSO Module 1 407 5448 00 1 BRACKET FAN PWR DIST PCB 2 211 1050 00 7 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 174 5517 00 1 CABLE ASSY PCle STRAIGHT CONNECTOR ON BOTH ENDS SAFETY CONTROLLED 2 119 7036 00 1 FAN ASSEMBLY DC 12V 0 105A 8 6 CFM 30DBA 3 LEAD TACH OUTPUT WITH CONN amp HOUSING SAFETY CONTROLLED Ane 1 MSO MODULE RETURN TO TEKTRONIX FOR SERVICE 5 174 5516 00 1 CABLE POWER 2X4 WITH MINIFIT JR CONNS SAFETY CONTROLLED 5 8 5070000 DSA70000B C DP
26. over current LEDs sese 4 20 Figure 4 7 Power supply test points me ee sme eese 4 22 Figure 4 8 Diagnostics control panel csse eee eee 4 24 Figure 4 9 Troubleshooting tree MSO DPOS5000 4 47 Figure 5 1 External parts DPO7000 Series 4 5 4 Figure 5 2 Front panel and display DPO7000 SerieS 5 6 Figure 5 3 Power supply and fans DPO7000 5 8 Figure 5 4 039 0173 xx and 065 0745 xx ATX Motherboard DPO7000 Series 5 10 Figure 5 5 039 0185 xx uATX Motherboard DPO7000 Series 5 11 Figure 5 6 Power interface and Acquisition assemblies DPO7000 5 13 Figure 5 7 Drives DPO7000 ee ee ee enses 5 15 Figure 5 8 External parts 1 DSA DPO70000B 5 17 Figure 5 9 External parts 2 DSA DPO70000B 5 19 Figure 5 10 Front panel and display DSA DPO70000B Series 5 21 Figure 5 11 Power supply and fans DSA DPO70000B Series 5 23 Figure 5 12 039 0173 xx and 065 0745 xx ATX DSA DPO70000B 5 25 Figure 5 1
27. press the F9 key Press the Enter key to Load Optimal Defaults In the BIOS SETUP UTILITY press the F10 key Press the Enter key to Save configuration changes and exit Installing an Authorization If you add new options you must install a new authorization key Install the Key authorization key using the following procedure 1 From the instrument menu bar touch the Utilities menu select Option Installation and then touch Continue 2 Enter the new key using an attached keyboard 3 Touch Continue Hard Disk Drive Repair Use the same procedures to maintain the instrument hard disk drive that you use to maintain a hard disk drive in a personal computer Using ScanDisk you may be able to repair the disk without destroying data on the disk To use ScanDisk perform the following steps 1 Remove the hard disk drive from the instrument 2 Install the hard disk drive into a personal computer 3 Power on the computer and run ScanDisk Set ScanDisk to perform a thorough surface scan and to automatically fix errors Using Microsoft Windows 2000 select My Computer File Properties Tools VError checking Using Microsoft MSDOS enter SCANDISK drive SURFACE AUTOFIX MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 43 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series 4 IfScanDisk cannot repair the disk format the hard disk drive using the File Utilities
28. regulated by monitoring the temperature of the Analog acquisition board circuitry Cooling air enters the instrument through specific locations on the covers where it flows directly over the heat sinks of each high wattage component The COM E fan cools the COM E module 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Front Panel Board Flex Circuit Bezel Buttons Power Button Power LED Analog Board J1911 J1912 J1913 174 5809 00 Amp to A D and Font Panel Tigger Signals Touch Screen Touch Screen Main Acquisition Board LCD Data PWR XGA Display MSO 5000 Series LCD Backlight Ch 015 00 174 5704 00 h Edge Edge Connector Connector 4 L DC Power Rear I O Touchscreen LCD LPC a 78 Power Seq Data PCle Debug Port o E Interface Board T USB Device i eel 5 4X USB Host Audio Se Line In Line Out E ji VGA Mic In Trigger DCIn Module 1 0 VPI Power PS 2 PS 2 Ethernet c T 6 Rear 1 0 AC Line Cable mM OC BBs tee eee ee ee 174 5808 00 DC Ouf COME Computer Module Power Supply i Probe VPI Power Line Filter Board Supply 0076 035 Figure 2 4 Block diagram MSO DPO5000 Series MSO70000 C DSA70000B C DPO7000
29. rod Do If the Instrument Application Does Not Work Yes 0076 011 Done Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Isolating to a Board if Power Will Not Come Up DPO7000 Series If the instrument is in standby mode plugged in but not turned on a red light is visible through the right side of the instrument The location of the red light is shown in the following illustration See Figure 4 6 Ifthe instrument is On the red light should be off A red light when the instrument in On means that there is a problem with one of the power supplies Mains power on and over current LEDs are near the center of the power supply A glow from them is visible while looking through the side of the instrument 0076 013 Figure 4 6 Location of power on and over current LEDs Table 4 7 Power on and over current LEDs LED Supply Description DS200 15 VA Green when supply is operating within tolerance DS201 5 VA Green when supply is operating within tolerance DS202 N A Red if any of the supplies 15 VA 5 VA 1 8 VD 15 VA and 5 VA are out of tolerance DS203 5 VA Green when supply is operating within tolerance DS204 15 VA Green when supply is operating within tolerance DS330 1 8 VD Green when supply is operating within tolerance Remove boards one at a time to locate a fault the Display board Acquisition board Power interface board and the ATX bo
30. test 2D Test video memory write sign on message to screen Setup shadow RAM Enable shadow according to Setup Reserved 2E Reserved 2F Reserved 30 Reserved 31 Reserved 32 PS2 Mouse setup 33 Set up 52 Mouse and reset KB Reserved 34 Test DMA Controller 0 35 Test DMA channel 0 Reserved 36 Test DMA Controller 1 37 Test DMA channel 1 Reserved 38 Test DMA Page 39 Test DMA Page Registers Registers Reserved 3A Reserved 3B Test Timer Counter 2 3C Test 8254 Timer 0 Counter 2 4 54 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting MSO DPO5000 Series Table 4 20 BIOS POST codes ECM 945GM Series cont Displayed Module POST code Description Reserved 3D Test 8259 1 Mask Bits 3E Verify 8259 Channel 1 masked interrupts by alternately turning off and on the interrupt lines Reserved 3F Test 8259 2 Mask Bits 40 Verify 8259 Channel 2 masked interrupts by alternately turning off and on the interrupt lines Reserved 4l Reserved 42 Test Stuck 8259 s 43 Tum off interrupts then verify no interrupt mask register is on Interrupt Bits Test 8259 Interrupt Force an interrupt and verify the interrupt occurred Functionality Reserved 44 Reserved 45 Reserved 46 Set EISA Mode 47 If EISA non volatile memory checksum is good execute EISA initialization If not execute ISA tests and clear EISA mode fbg Reserved 48 Si
31. them to digital signals then processes the data into a form that is handled by the display system The acquisition system includes the multi source trigger system a timebase and acquisition control circuitry as well as a calibration reference system for internal calibration purposes The acquisition board is located in the bottom compartment of the instrument All input channels feature a probe interface system with the ability to recognize the probe type for proper unit display and for calibration out to the probe tip Processor System The processor system contains a processor board with microprocessor that controls the entire instrument The basic configuration supports input channels provides an external trigger input a trigger output and a probe compensation output Each acquisition channel is equipped with a processor that uses its own host interface which communicates with the command interface processor MSO Module The MSO module contains a digital acquisition system and a word recognizer This module processes digital signals obtained by the 17 channel Logic Probe 16 data channels 1 Clk Q channel The logic channels from the front panel are applied to the word recognizer and are also routed to the analog acquisition board The MSO module applies each channel to three paths m An analog path which goes to an analog multiplexer that selects any four of the 17 logic probe channels to use for the iCapture display A digital
32. to have the board or boards replaced 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Module Removal MSO DPOS000 Series Rear cover System fan assembly Removable hard drive Analog board N Front panel board Rear chassis Power supply N 204200 22 209 7 Wood WD eh Lo PCO 25 Pooks QUOD OC M 7 y p zy 25 COM E Interface board 27 Main board Front chassis 0076 034 Front case assembly Figure 4 4 Module locations MSO DPO5000 Series 4 15 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Service Level Check for Common Problems CAUTION Before performing this or any other procedure in this manual read the General Safety Summary and Service Safety Summary found at the beginning of this manual To prevent possible injury to service personnel or damage to electrical components please read information on Preventing ESD See page 4 1 Preventing ESD This section contains information and procedures designed to help you isolate faults to a module This section requires that service personnel have the appropriate skills to work on this instrument including PC troubleshooting and Mic
33. 0 1 CHASSIS AL SAFETY CONTROLLED 11 174 5161 00 1 CABLE ASSY DISPLAY ADAPTER TO PCI BOARD 5 12 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DPO7000 Series Motherboard J2 on display Figure 5 6 Power interface and Acquisition assemblies DPO7000 Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 13 Replaceable Parts DPO7000 Series Table 5 6 Replaceable parts Drives DPO7000 Series Tektronix Fig amp index part Serial no Serial no number number effective discont d Qty Name amp description 5 7 DRIVES 1 065 0744 00 1 DISK DRIVE ASSY SERVICE REPLACEMENT W O SOFTWARE W PACKAGING 2 211 1050 00 11 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 407 5069 00 1 BRACKET RHDD SATA COMBO CABLE 3 5 INCH REMOVABLE HARD DISK DRIVE RECEPTACLE 4 174 5169 00 1 CABLE ASSY SATA COMBO HARD DRIVE CABLE 5 679 5915 00 1 CKT BD SUBASSY DVD CD RW ADAPTER UNTESTED 389 3689 00 WIRED 0 129 1618 00 1 SPACER DVD CD RW SLIMLINE DRIVE ADAPTER PLASTIC 7 065 0666 02 1 DISK DRIVE OPTICAL 644MB CD RW DVD ROM COMBO 16 7 MB SEC IDE ATAPI DW 224E C93 SAFETY CONTROLLED 8 211 0950 00 3 SCREW MACHINE M2X 4X3L PHL PNH STL NI PL 9 407 5156 00 1 BRACKET DVD CD RW COMBO ADAPTER FOR DVD CD RW COMBO SLIMLINE 10 174 5017 00 1 CABLE ASSEMBLY DVD POWER 5 14 5070000 DS
34. 0 Series DSA DPO70000B C Series Module overviews describe the basic operation of each functional circuit block A Microsoft Windows processor system is the primary controller of the instrument The instrument features an XGA resolution flat panel display a transparent touch screen and a front panel with direct access to commonly used instrument functions You can also make complete use of the instrument with a mouse and keyboard Input Signal Path A signal enters the instrument through a connection to the input connector on the front panel Acquisition Board The acquisition board conditions the input signals and converts them to digital signals then processes the data into a form that 1s handled by the display system The acquisition system includes the multi source trigger system a timebase and acquisition control circuitry as well as a calibration reference system for internal calibration purposes The acquisition board is located in the bottom compartment of the instrument All input channels feature a probe interface system with the ability to recognize the probe type for proper unit display and for calibration out to the probe tip Processor System The processor system contains a processor board with microprocessor that controls the entire instrument The basic configuration supports input channels provides an external trigger input a trigger output and a probe compensation output Each acquisition channel 15 equipped with a
35. 00 16 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 200 5123 00 1 COVER EMI BOTTOM 5070804 70604 70404 200 5124 00 1 COVER EMI BOTTOM MSO72004 71604 71254 200 5171 00 1 COVER EMI BOTTOM 5072004 MSO71604C 5071254 DSA72004C DSA71604C DSA71254C DPO72004C DPO71604C DP071254C 4 200 5125 00 1 COVER BOTTOM COSMETIC W FEET 5 212 0232 00 2 SCREW MACHINE 8 32 X 1 1251 PNH STL BLACK ZINC SPEC ASTM B633 TYPE Il T 20 0 367 0528 00 1 HANDLE CARRYING DUAL DUROMETER MOLDED POLYPROPYLENE VINYL GRIP SECTION 407 4887 00 1 BRACKET HANDLE BASE PC ABS ALLOY BAYER BAYBLEND FR 110 TEK BLUE 7 348 1951 00 1 FRONT FOOT ASSEMBLY FLIP 2 SAFETY CONTROLLED 8 211 1224 00 2 SCREW MACHINE BLACK 5 34 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series 0076 017 Figure 5 18 External parts 2 MSO70000 C DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 35 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 17 Replaceable parts Front panel MSO70000 C DSA DPO70000C Series Fig amp index Tektronix Serial no Serial no number part number effective discont d Qty Name amp description 5 19 FRONT PANEL AND DISPLAY 1 174 5165 00 1 CABLE ASSY POWER SWITCH 2 065 0756 02 1 MODULE ASSY SERVICE REPLACEMENT KIT 614104101 FRONT
36. 00 4 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR 19 335 1517 00 1 LABEL REAR LEXAN MOTHERBOARD TAPPEN SAFETY CONTROLLED 039 0173 xx 335 2011 00 LABEL REAR LEXAN MOTHERBOARD ADVANTECH AIMB 562 SAFETY CONTROLLED 039 0185 xx MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 3 Replaceable Parts DPO7000 Series Figure 5 1 External parts DPO7000 Series 5 4 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts DPO7000 Series Table 5 2 Replaceable parts Front panel and display DPO7000 Series Fig amp index Tektronix part Serial no Serial no number number effective discont d Qty Name amp description 5 2 FRONT PANEL AND DISPLAY 1 174 5165 00 1 CABLE ASSY POWER SWITCH 2 211 1221 00 2 SCREW M2 0 6 MM LONG PHILLIPS FLATHEAD ZINC PLATED 3 671 6107 00 1 CIRCUIT BOARD ASSY USB 4 211 1050 00 4 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 5 174 5164 00 1 CA ASSY USB 2 0 6 065 0756 01 1 MODULAR ASSY FRONT PANEL TERMINATOR 7 407 5140 00 1 BRACKET TRIM FRONT PANEL SHEET METAL SAFETY CONTROLLED 8 065 0760 01 1 CIRCUIT BD ASSY FRONT PANEL TERMINATOR 9 671 6062 00 1 CIRCUIT BD ASSY FRONT PANEL ENCODER TERMINATOR 10 366 0859 01 1 ASSEMBLY KNOB 470 DIAMETER SOFT TOUCH 11 366 0860 01 1 ASSEMBLY
37. 070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DPO7000 Series DVD power cable to power e gt interconnect x board board 0076 02 Figure 5 5 039 0185 xx pATX Motherboard DPO7000 Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts DPO7000 Series Table 5 5 Replaceable parts Power interface and Acquisition assemblies DPO7000 Series Tektronix Fig amp index part Serial no Serial no number number effective discont d Qty Name amp description 5 6 POWER INTERFACE AND ACQUISITION ASSEMBLIES 1 211 1050 00 19 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 2 174 5048 00 1 CA ASSY USB 1 0 3 174 5159 00 1 CABLE ASSY GPIB 4 335 1518 00 1 LABEL TEKLINK SAFETY CONTROLLED 5 211 1206 00 2 SCREW J 2 56 ID X 4 40 00 188 HEX SS 0 671 5912 02 1 CIRCUIT BD ASSY POWER INTERFACE 6795912XX TESTED WIRED 389352600 7 213 1061 00 2 J ACKSCREW 6 32 X 0 320 EXT THD M3 5 X 0 6 6 INT THD X 0 215L GPIB BLACK OXIDE BULK PACK 8 211 0747 00 3 SCREW MACHINE 6 32 X 0 188 PNH STL CDPL T 15 TORX DR 9 672 5819 54 1 CIRCUIT BD ASSY ACQ 6725819XX TESTED WIRED DPO7254 ONLY 672 6166 54 1 CIRCUIT BD ASSY 6726166XX TESTED WIRED DPO7104 DP07054 ONLY 672 6172 50 1 CIRCUIT BD ASSY ACQ 6726172XX TESTED WIRED DPO7354 ONLY 10 441 2436 0
38. 0B C DPO7000 505000 DPO5000 Series Theory of Operation Theory of Operation 2 14 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Adjustment Procedures Adjustment Procedures Adjustment Interval This chapter contains information about instrument adjustment The voltage and timing references inside the instrument are very stable over time and should not need routine adjustment If the instrument fails the performance tests in the Specifications and Performance Verification manual adjustment may be required This manual was provided with your product and can also be found at www tektronix com manuals by searching for your product If periodic calibration is one of your requirements a general rule is to verify performance and make adjustments only 1f needed every 2000 hours of operation or once a year if the instrument is used infrequently Adjustment After Repair Adjustment After removal and replacement of a module you must perform the Performance Verification procedure found in the Specifications and Performance Verification manual This manual was provided with your product and can also be found at www tektronix com manuals by searching for your product If the instrument fails the Performance Verification tests it must be returned to Tektronix for calibration Adjustment can be performed only by a Tektronix Service Center See Contacting Tektronix following the title page in this man
39. 0B C DPO7000 MSO5000 DPO5000 Series Service Safety Summary 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 and resuscitation is present Disconnect Power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power 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 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series ix Service Safety Summary X 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Preface This manual contains service information for your instrument Read this preface to learn how this manual is structured the conventions it uses and where to find additional supplemental information related to servicing this product You should also read the General and Service safety summaries before servicing the product Manual Structure This manual is divided into sections which are made up of related su
40. 2 INT Line 373 Interrupt 374 RelayDrive 375 TWI 376 Prbinterrupts 377 TCpowerC trl 378 MAX517 Dd PO DSA70000B only PO DSA70000B only Trigger Inputs 411 CH1 412 CH2 413 CH3 414 CH4 415 Line 416 Video 417 Events 418 Serial 419 HSMeta PO7000 only gt 0 gt gt gt gt gt gt gt gt gt gt gt gt gt gt 5070000 Outputs 421 523TrgO ut 422 523Cpulnt 423 Fedge 424 Ftrig 425 Triglnfo Vili 0 07000 only 0 07000 only All All Timers 431 Delay 432 Delta 433 Holdoff 434 P ostTrig 435 PreTrig 436 Timeout NN All Word 44 Compare 442 Delay 443 Clk Qualify 444 Formed LSST 5070000 only TekLink Topology 511 Signals 1 All Trigger 521 Path 1 All Reference 531 Path 1 N N N All 1 Requires external test fixture Software Updates update the application software install the firmware CD in your instrument and follow the displayed instructions or the instructions that accompany the CD If you want to order a software update contact your Tektronix service center See Contacting Tektronix on the back of the title page 4 26 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series After Repair After removal and replacement of a module you must perform the Performance Verification procedure found in the instr
41. 28 Figure 5 29 Figure 5 30 Figure 5 31 Figure 5 32 Figure 5 33 uATX 2 MSO70000 C DSA DPO70000C Series 5 53 Front panel assembly MSO DPOS5000 5 55 Display Analog bd and Main bd assembly MSO DPO5000 5 57 Rear chassis and connecting modules MSO DPO5000 5 59 External parts MSO DPOS5000 Series sss men 5 61 Rear chassis showing cables and connectors MSO DPO5000 Series 5 62 Main board showing cable and connectors MSO DPO5000 Series 5 63 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series List of Tables Table of Contents Table 4 1 External inspection checklist pp 4 3 Table 4 2 Internal inspection checklist pp 4 4 Table 4 3 Required equipment for module 1 eee 4 7 Table 4 4 DPO7000 Series module removal pp 4 9 Table 4 5 Module removal DSA DPO70000B 4 11 Table 4 6 Failure symptoms and possible causes pp 4 16 Table 4 7 Power on and over current LEDS pp 4 20 Table 4 8 Power supply voltages pp 4 21 4 9 Diagnostic tests oec eost rene ODE e erede ede IS 4 25 Table 4 10 ATX BIOS error 4 27 Table 4 11 039 017
42. 3 Replaceable Parts MSO DPO5000 Series Replaceable Parts MSO DPO5000 Series The following tables and illustrations show the replaceable parts for the MSO5000 Series and DPO5000 Series products Two tables provide the replaceable cable part numbers See Table 5 30 on page 5 62 m See Table 5 31 on page 5 63 Two figures show how to attach the connectors in the instrument B See Figure 5 32 on page 5 62 See Figure 5 33 on page 5 63 Table 5 26 Replaceable parts Front panel assembly MSO DPO5000 Series Figure and Serial Serial index Tektronix no no no part no effective discont d Qty Name and description 5 28 FRONT PANEL ASSEMBLY 1 065 0853 00 1 FRONT CASE ASSEMBLY 2 366 0861 01 2 ASSEMBLY KNOB 925 DIAMETER SOFT TOUCH 3 366 0865 00 1 KNOB ASSEMBLY SHUTTLE AND BUSHING 4 366 0867 01 1 KNOB ASSEMBLY J OG 5 366 0859 01 6 ASSEMBLY KNOB 470 DIAMETER SOFT TOUCH 0 366 0860 01 6 ASSEMBLY KNOB 685 DIAMETER SOFT TOUCH 7 260 2898 00 1 SWITCH KEYPAD ELASTOMERIC POWER 8 407 5259 00 1 BRACKET SUPPORT POWER SWITCH 9 211 1273 00 19 SCREW MACHINE 6 32 0 250 PNH STL ZNPL T 15 TORX DRIVE DISTRIBUTION OF THE 211 1273 00 SCREWS 2 screws attach the Power switch bracketto the front case assembly 2 screws attach the Utility switch and bracket to the front case assembly 10 screws attach the Front p
43. 3 039 0185 xx ATX assembly DSA DPO70000B 5 26 Figure 5 14 Acquisition assembly DSA DPO70000B 5 27 Figure 5 15 Interface board DSA DPO70000B Series pp 5 29 Figure 5 16 Drives DSA DPO70000B Hee 5 31 Figure 5 17 External 1 MSO70000 C DSA DPO70000C 5 33 Figure 5 18 External parts 2 MSO70000 C DSA DPO70000C Series 5 35 Figure 5 19 Front panel and display MSO70000 C DSA DPO70000C Series 5 37 Figure 5 20 Drive bay 1 MSO70000 C DSA DPO70000C 5 39 Figure 5 21 Drive bay 2 MSO70000 C DSA DPO70000C Series sess 5 41 Figure 5 22 Interface board MSO70000 C DSA DPO70000C 5 43 Figure 5 23 Power supply MSO70000 C DSA DPO70000CSeries cesse 5 45 Figure 5 24 Acquisition assembly MSO70000 C DSA DPO70000C 5 47 Figure 5 25 MSO module MSO70000 C Series 5 49 Figure 5 26 ATX 1 MSO70000 C DSA DPO70000C Series 5 51 MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series iii Table of Contents Figure 5 27 Figure 5
44. 3 Power distribution board J8 Voltage board J9 Voltage Pins 1 2 11 43 3 V Pins 1 2 COM Pin 12 12 V Pins 3 4 12 V Pin 10 12 V Pin 18 5 V Pins 4 6 19 20 HV Pin 9 5 VSB Pins 3 5 7 13 15 16 17 COM Pin 14 PS ON Pin 8 PW OK MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 21 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Power distribution boards Ad SN B110100 andabove 5V DPO70000 and DSA70000 Series 45V 5V Figure 4 7 Power supply test points PW OK 5 VSB 12V Power interconnect board 076 015 If the Instrument Will Not Boot If nothing is displayed check that the display is turned on At boot time and while using an external monitor connected to the uATX external video port press F2 to enter the BIOS setup The Advanced Video Configuration menu lets you select PCI LCD or Integrated the ATX VIDEO port on the rear panel The lower XVGA port on the rear panel is the PCI video port driven by the same video controller as the LCD 4 22 MSO70000 C DSA70000B C DPO70000B C DPO7000 05000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series If there is a display on the XVGA port but not on the LCD check the power supply voltages If the voltages are okay but there is still no display on the LCD replace the display assembly LCD lamps
45. 3 xx and 065 0745 ATX POST codes 4 28 Table 4 12 039 0185 xx ATX POST codes ee eee 4 31 Table 4 13 039 0173 xx and 065 0745 xx uATX beep 4 41 Table 4 14 039 0185 xx 4 4 42 Table 4 15 039 0188 xx 4 eee cnet eee ne 4 42 Table 4 16 Failure symptoms and possible 4 46 4 17 LED Definitions e edente e rotten epe HR nem a Een eee rra 4 50 Table 4 18 0510 Errors by speed and duration pp 4 51 Table 4 19 DS10 Errors by number of flashes with related 4 51 Table 4 20 BIOS POST codes ECM 945GM Series pp 4 52 Table 4 21 BIOS beep codes mess se ee nee 4 58 Table 5 1 Replaceable parts External DPO7000 Series sss 5 3 Table 5 2 Replaceable parts Front panel and display DPO7000 Series 5 5 Table 5 3 Replaceable parts Power supply and fans DPO7000 Series pp 5 7 Table 5 4 Replaceable parts ATX Motherboard DPO7000 5 9 Table 5 5 Replaceable parts Power interface and Acquisition assemblies DPO7000 Series
46. 312 L PNH STL CAD PLT T15 4 436 0421 00 1 TRAY FAN CHASSIS ASSY W FANS MOUNTED STINGRAY SAFETY CONTROLLED 5 441 2435 00 1 CHASSIS MAIN AL SAFETY CONTROLLED 0 671 5930 00 1 CIRCUIT BD SUBASSY POWER INTERCONNECT 389 3659 00 WIRED SAFETY CONTROLLED 7 343 1584 00 4 CLAMP WIRE ROUTING 0 51 H X 0 625W NYLON 8 335 1515 00 1 LABEL CHASSIS REAR SAFETY CONTROLLED MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 5 7 Replaceable Parts DPO7000 Series Make sure that the power supply is properly connected to the power interconnect Power interconnect EN ANNNN RUU 7 supply ZI Lf SS PU J104 from From hard drive line From iy power J J105 from power supply A J108 on power _ interconnect Slide power supply module under chassis brackets Cable dress for line filter cable Figure 5 3 Power supply and fans DPO7000 Series 5 8 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts DPO7000 Series Table 5 4 Replaceable parts uATX Motherboard DPO7000 Series Tektronix Fig amp index part Serial no Serial no number number effective discont d Qty Name amp description 5 4 and 5 5 MOTHERBOARD 1 050 3723 00 1 PARTS REPLA
47. 4E C93 5 0 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series 4 To the motherboard connector SATA 1 Power distribution board Motherboard arewa Figure 5 21 Drive bay 2 MSO70000 C DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 41 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 20 Replaceable parts Interface board 070000 DSA DPO70000C Series Tektronix Fig amp index part Serial no Serial no number number effective discont d Qty Name amp description 5 22 INTERFACE BOARD 1 065 0828 00 1 CIRCUIT BD ASSY PCle BACKBONE BOARD TESTED 5070000 SERIES ATTACHED PARTS 386 7536 00 1 BRACKET STIFFENER FOR PCle PCB 211 0747 00 5 SCREW MACHINE 6 32 X 0 188 PNH STEEL ZINC FINISH T 15 TORX DR END ATTACHED PARTS 1 065 0245 00 1 CIRCUIT BD ASSY PCle BACKBONE BOARD TESTED MSO70000C SERIES DSA70000C SERIES DPO70000C SERIES ATTACHED PARTS 386 7536 00 1 BRACKET STIFFENER FOR PCle PCB 211 0747 00 5 SCREW MACHINE 6 32 X 0 188 PNH STEEL ZINC FINISH T 15 TORX DR END ATTACHED PARTS 2 211 1050 00 7 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 335 2152 00 1 LABEL 1 0 FOR PCle PCB ATTACHES TO PCle PCB REAR BRACKET 4 211 1206 00 2 SCREW JACK 2 56 ID X 4 40 OD 0 188 HEX SS 211 120
48. 5000 DPO5000 Series 4 29 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 11 039 0173 xx and 065 0745 xx uATX POST codes cont Displayed POST Item no Module code Description 16 DXE Core E4 Entered DXE phase E5 Started dispatching drivers E6 Started connecting drivers 17 DXE Drivers E7 Waiting for user input E8 Checking password E9 Entering BIOS setup EA TBD Flash Update EB Calling Legacy Option ROMs EE TBD Calling INT 19 One beep unless silent boot is enabled EF TBD Unrecoverable Boot failure S 3 resume failure 18 Runtime Phase EFI F4 Entering Sleep state OS Boot F5 Exiting Sleep state F8 EFI boot service ExitBootServices has been called F9 EFI runtime service SetVirtualAddressMap has been called FA EFI runtime service ResetS ystem has been called 19 PEIMs Recovery 30 Crisis Recovery has initiated per User request 3l Crisis Recovery has initiated by software corrupt fbsh 34 Loading recovery capsule 35 Handing off control to the recovery capsule 3F Unable to recover 4 30 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 POST codes Displayed POST Item no Module code Description 1 Turn Off Chipset and C0 OEM Specift Cache control cache CP
49. 6 01 2 SCREW J ACK 2 56 ID X 4 40 OD 0 188 HEX SS 5 213 1061 00 2 J ACKSCREW 6 32 EXT THD M3 5 X 0 6 6 INT THD 410 SS PASSIVATE 0 386 7537 00 1 BRACKET PCIE PCB MOUNT AND MS WINDOWS LABEL HOLDER SAFETY CONTROLLED 7 174 5164 00 1 CA ASSY USB 2 0 8 679 6107 00 1 CIRCUIT BD ASSY USB 9 211 1221 00 2 SCREW M2 0 6 MM LONG PHILLIPS FLATHEAD ZINC PLATED 10 174 5048 00 1 CA ASSY USB 1 0 11 174 4241 00 1 CABLE ASSY RIBBON BUS IDC 32 AWG 16 50 L 60P OS BOX IDC FEMALE RTANG 0 050CTR X 2 5 42 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Font panel cable from the interface board to J2 on the display module S PCle backbone Distribution DT is board p Motherboard Figure 5 22 Interface board MSO70000 C DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 3 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 21 Replaceable parts Power supply and fans MSO70000 C DSA DPO70000C Series Fig amp Tektronix Serial index part Serial no no number number effective discontd Qty Name amp description 5 23 POWER SUPPLY AND FANS 1 119 6982 xx 1 POWER SUPPLY AC DC 1200W 48V 25A 12V 1A 85 264VAC 47 63HZ ELCON 377 0002 00100A IEC320 C22 11 5X6 75X2 75IN CLOSED CHASSIS ATTACHED PA
50. A70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DPO7000 Series driv P2 he SATA cable and bracket attach to the drive bay chassis located on the main chassis interconnect board Figure 5 7 Drives DPO7000 Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 15 Replaceable Parts DSA DPO70000B Series Replaceable Parts DSA DPO70000B Series Table 5 7 Replaceable parts External 1 DSA DPO70000B Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 8 EXTERNAL PARTS 1 016 1441 01 T ACCESSORY POUCH BLACK CORDURA 2 200 5065 00 1 COVER TOP COSMETIC 3 211 1224 00 8 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 4 355 0298 00 1 STUD SNAP 0 570 DIA 0 165 THK STAINLESS STEEL 5 200 5066 00 1 COVER EMI TOP 0 211 1050 00 14 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 7 348 1859 00 4 FOOT REAR W CORD WRAP THERMOPLASTIC 8 101 0173 01 1 TRIM ACQUISITION INSERT 9 101 0171 00 1 TRIM RING 110 PC ABS 10 200 4963 00 1 COVER FRONT PC ABS ALLOY BAYBLEND 11 101 0174 00 1 TRIM DVD 12 335 1940 00 1 MARKER IDENT DPO70404B 335 1939 00 MARKER IDENT DPO70604B 335 1938 00 MARKER IDENT DPO70804B 335 1943 00 MARKER IDENT DPO71254B 335 1942 00 MARKER IDENT
51. CEMENT KIT AIMB562VG 00A1E BIOS 562X12AN BIN ALC888 AUDIO CODEC 039018601 WITH 063425400 AIMB 562 AUDIO DRIVER ADVANTECH VERSION 5 10 0 5324 167 0657 00 1 PROCESSOR PENTIUM 4 3 4 GHZ INTERNAL CLOCK 400MHZ BUS SOCKET 478 COMPATIBLE W O FAN HEATSINK JM80547P G0961M 2 119 7333 00 1 FAN AND HEAT SINK WITH BRACKET 3 1 BRACKET FOR FAN AND HEATSINK PART OF ITEM 2 IN THIS LIST 4 167 0428 00 010100 B010856 4 IC MEMORY 64M X 64 512 MB DDR2 1 8V 3 3 3 MT16HTF6464AY 40E DIMM240 051 167 1048 00 010857 2 IC MEMORY 128M X 64 1 GB DDR2 1 8V 3 3 3 MT16HTF 12864AY 40E DIMM240 051 5 174 5271 00 1 IDE CABLE WITH STRAIN RELIEF amp PULL TAB 6 211 1050 00 5 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 7 174 4797 00 1 CA ASSY 20 PIN ATX POWER SAFETY CONTROLLED 8 174 4865 00 1 CA ASSY 4 PIN P4 POWER 9 5 L MOTHER BOARD TO INTERFACE BOARD SAFETY CONTROLLED 9 441 2466 01 1 CHASSIS REAR PROCESSOR 039 0173 441 2551 00 1 ATX CHASSIS MOTHERBOARD ADVANTECH AIMB 562 039 0185 065 0826 00 110100 1 DISK DRIVE ASSY SERVICE REPLACEMENT UNPROGRAMMED HARD DRIVE 1197524XX W PACKAGING DPO DSA70000B MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 9 Replaceable Parts DPO7000 Series Motherboard gt Processor detail J3A4 2 E 2 Power interface 22 Figure 5 4 039 0173 xx and 065 0745 pATX Motherboard DPO7000 Series 5 10 5
52. GA monitor to the rear panel XGA output Flat panel display OK yves ls the backlight on See Yes Problem Checking the Backlight with COM E Interface Y No board Main Does the LCD show activity See Checking the Backligh Yes board or t LCD Troubleshoot backlight cable backlight controller and backlight Possible cause 1 Monitor cable defective or not connected to instrument 2 External monitor controls turned down 3 Defective monitor BIOS error message See BIOS error code table Figure 4 9 Troubleshooting tree MSO DPO5000 Series Troubleshooting MSO DPO5000 Series 1 See If the Instrument Windows No Will Not Boot 2 Boot to Safe Mode and restore the registry Yes Run instrument diagnostics Passes all tests Main board or Analog board defective If the instrument Application is not already running start it from the Start menu Reinstall instrument software see user manual See lf the Instrument Application Does Not Work Instrument Application starts 0076 086 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 47 Troubleshooting MSO DPO5000 Series Isolating to a Board if Power Will Not Come Up If the instrument is in standby mode plugged in but not turned on a green light is visible through the right side of the instrument and the front panel Power button 1s amber
53. I Video Rear Chassis On Standby J n J10 J18 GPIB TekLinkl O Display PCle MSO 17 Front Front Panel Module 7 Panel USB 1 0 1000 45100 Motherboard PCle Backbone Board SATA SATA J810 J800 Rear Motherboard 1 0 keyboard mouse serial parallel DVI I USB Audio Ethernet PCle Edge Connector 2 2 2x10 J1375 Acquisition SATA3 J6 J200 Board IDE Motherboard Power J2660 PATA p xg Pentium Power J2650 Power Distribution Board HD CD Power DVD Fan Power l Line Trigger Capacitively Coupled n Line In Filter Power Supply Figure 2 3 Block diagram MSO70000 C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 2 9 Theory of Operation Module Overviews MSO DPO5000 Series Input Signal Path The module overviews describe the basic operation of each functional circuit block See Figure 2 4 on page 2 13 A Microsoft Windows processor system is the primary controller of the instrument The instrument features a flat panel display a transparent touch screen and a front panel with direct access to commonly used instrument functions You can also make complete use of the instrument with a mouse and key
54. IAMETER SOFT TOUCH 10 366 0860 01 1 ASSEMBLY KNOB 685 DIAMETER SOFT TOUCH 11 366 0861 01 1 ASSEMBLY KNOB 925 DIAMETER SOFT TOUCH 12 174 5162 00 1 CABLE ASSY DISPLAY ADAPTER TO FRONT PANEL BOARD 13 211 0747 00 4 SCREW MACHINE 6 32 X 0 188 PNH STL CDPL T 15 14 065 0742 00 1 TOUCH SCREEN ASSEMBLY 12 1 IN RESISTIVE 5 WIRE W GASKETS W BRACKETS 15 211 0721 00 5 SCREW MACHINE 6 32 X 0 375 PNH STL CDP L T 15 16 065 0743 01 1 COMPONENT KIT LCD DISPLAY ADAPTER MODULE SUBASSEMBLY STANDARD 17 174 5160 00 1 CABLE ASSY DISPLAY ADAPTER TO DISP LAY 18 174 5163 00 1 CABLE ASSY DISPLAY ADAPTER TO INVERTER BOARD 19 065 0746 01 1 MODULE ASSY SERVICE REPLACEMENT KIT POWER BUTTON ASSY 20 679 6283 01 1 CIRCUIT BOARD ASSY DISPLAY ADAPTER 21 119 7016 00 1 CIRCUIT BOARD ASSY INVERTER 5 20 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DSA DPO70000B Series Motherboard gt cm 1 S ti m on 4 sa C2 lt R 5 fes lt i D n 1s 1 6 gt T gt ie 6 M 0 5 d c 5 m xe Ec S ul To J7 on St module _ To J5 on display module Figure 5 10 Front panel and display DSA DPO70000B Series 8070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 5 21 Replaceable Parts DSA DPO70000B Series Table 5 10 Replacea
55. Item no Beep code Error message 1 3 long Memory error beep freq 1280 Hz 2 4 alternating hi low Thermal warning beep freq high 2 kHz low 1 5 kHz 3 1 Refresh failure 4 2 Cannot reset parity 5 3 Memory failure frst 64 KB 6 4 Timer failure 7 5 Not used 8 6 Cannot toggle 8042 Gate A20 9 7 Exception interrupt error 10 8 Display memory R W error ll 9 Not used 12 10 CMOS Shutdown register test error 13 11 Cache memory error MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 14 039 0185 xx pATX beep codes Item no Beep code Error message Description 1 1 long Video adapter error Bad video adapter or a bad 2 short connection to the video adapter Ensure that the monitor cable is connected properly 2 Repeating Memory error Check for improperly seated or endless loop missing memory 3 1 long No video card or bad video RAM Reseat or replace the video card 3 short 4 High Overheated CPU Check the CPU fan for proper frequency operation and check the case for beeps while proper air fbw running 5 Repeating CPU Either the CPU is notseated properly High Low or itis damaged The problem can also be due to excess heat Check the CPU fan or BIOS settings for proper fan speed Table 4 15 039 0188 xx pATX beep codes Number Item of no Beeps Error message Descript
56. M get initialized here Reserved 22 4 32 070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx ATX POST codes cont Displayed POST Item no Module code Description 12 Test CMOS Interface 23 Verifes CMOS is working correctly and detects bad battery and Battery Status If failed load CMOS defaults and load into chipset Reserved 24 Reserved 25 Reserved 26 Init 27 Final Initial KBC and setup BIOS data area Reserved 28 Initialize Video Interface 29 Read CMOS location 14h to find out type of video in use Detect and Initialize Video Adapter Reserved 2A Reserved 2B Reserved 2C Video memory test 2D Test video memory write sign on message to screen Setup shadow RAM Enable shadow according to Setup Reserved 2E Reserved 2F Reserved 30 Reserved 3l Reserved 32 PS2 Mouse setup 33 Set up PS2 Mouse and reset KB Reserved 34 Test DMA Controller 0 35 Test DMA channel 0 Reserved 36 Test DMA Controller 1 37 Test DMA channel 1 Reserved 38 Test DMA Page 39 Test DMA Page Registers Registers Reserved 3A Reserved 3B Test Timer Counter 2 3C Test 8254 Timer 0 Counter 2 Reserved 3D Test 8259 1 Mask Bits 3E Verify 8259 Channel 1 masked interrupts by alternately turning off and on the interrup
57. MSO70000 C 05000 Series Mixed Signal Oscilloscopes DSA70000B C Series Digital Signal Analyzers DPO70000B C Series Digital Phosphor Oscilloscopes DPO7000 DPO5000 Series Digital Phosphor Oscilloscopes Service Manual Tektronix 077 0076 04 S MSO70000 C 05000 Series Mixed Signal Oscilloscopes DSA70000B C Series Digital Signal Analyzers DPO70000B C Series Digital Phosphor Oscilloscopes DPO7000 DPO5000 Series Digital Phosphor Oscilloscopes Service Manual This document applies to firmware version 1 0 and above Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service www tektronix com Tektronix 077 0076 04 Copyright O Tektronix All rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information
58. MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 5 Maintenance Returning the Instrument for Service 4 6 When repacking the instrument for shipment use the original packaging If the packaging is unavailable or unfit for use contact your local Tektronix representative to obtain new packaging Seal the shipping carton with an industrial stapler or strapping tape Before returning the instrument for service contact the Service Center to get an RMA return material authorization number and any return or shipping information you may need If the instrument is being shipped to a Tektronix Service Center enclose the following information The RMA number B The owner s address Name and phone number of a contact person and serial number of the instrument Reason for returning A complete description of the required service Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Removal and Installation Overview Removal and Installation Overview This section contains information about removal and installation of all modules Preparation WARNING Before performing this or any other procedure in this manual read the safety summaries found at the beginning of this manual Also to prevent possible injury to service personnel or da
59. O70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Figure 5 25 MSO module MSO70000 C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 49 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 24 Replaceable parts HATX 1 MSO70000 C DSA DPO70000C Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 26 1 1 174 5629 00 1 CABLE LVDS VIDEO WITH 2X20 HIROSE CONNECTORS PCle J 18 to LVDS1 2 174 5763 00 1 CABLE SATA TO E SATA DATA ONLY RP e SATA to uATX SATA 2 3 441 2585 00 1 BRACKET IO M BOARD AMB566 SAFETY CONTROLLED ATTACHING PARTS 211 1050 00 10 SCREW MACHINE 6 32 X 0 312 L PNH STEEL ZINC FINISH T15 214 3903 01 6 SCREW JACK 4 40 X 0 312 EXT THD 4 40 INT THD 0 188 HEX ZINC PLATED STEEL END ATTACHING PARTS 5 50 MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Offset between plug and socket Figure 5 26 pATX 1 MSO70000 C DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 51 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 25 Replaceable parts HATX 2 MSO70000 C DSA DPO70000C Series Fig amp Tektronix index part Serial no Serial
60. ONNECTOR 12 065 0857 00 1 SYSTEM FAN ASSEMBLY 120 MM TUBEAXIAL 12 VDC SAFETY CONTROLLED WITH BRACKET 5 58 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts MSO DPO5000 Series Figure 5 30 Rear chassis and connecting modules MSO DPO5000 Series 5 59 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts MSO DPO5000 Series Table 5 29 Replaceable parts External parts MSO DPO5000 Series Figure and Serial Serial index Tektronix no no no part no effective discontd Qty Name and description 5 31 EXTERNAL PARTS 1 200 5130 00 1 FRONT PROTECTIVE COVER 2 065 0858 00 1 REAR CASE 3 355 0298 00 2 STUD SNAP 0 570 DIAMETER 0 165 THICK STAINLESS STEEL 4 211 1272 00 6 SCREW MACHINE 6 32 x 0 250 PNH STL ZNPL T 15 TORX DRIVE DISTRIBUTION OF THE 211 1272 00 SCREWS 2 screws attach the snaps to the top of the rear case 4 screws attach the rear case to the rear chassis 5 200 5155 00 1 COVER DOOR HARD DRIVE 0 016 2029 00 1 POUCH ACCESSORY BLACK SNAP ON 5 60 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO DPO5000 Series Figure 5 31 External parts MSO DPO5000 Series 5 61 5070000 DSA70000B C DPO70000B C
61. PANEL ASSEMBLY W PACKAGING DPO7000 DP O DSA70000 SERIES 3 366 0859 01 1 ASSEMBLY KNOB 470 DIAMETER SOFT TOUCH 4 366 0860 01 1 ASSEMBLY KNOB 685 DIAMETER SOFT TOUCH 5 366 0861 01 1 ASSEMBLY KNOB 925 DIAMETER SOFT TOUCH 6 174 5162 00 1 CABLE ASSY DISPLAY ADAPTER TO FRONT PANEL BOARD 7 065 0827 01 1 COMPONENT KIT LCD DISPLAY ADAPTER MODULE SUBASSEMBLY STANDARD 8 065 0819 00 1 MODULE ASSY SERVICE REPLACEMENT KIT POWER BUTTON ASSY W PACKAGING FOR ADVANTECH AIMB 562 MOTHERBOARD 9 211 1050 00 2 SCREW MACHINE 6 32 X 0 312 L PNH STEEL ZINC FINISH T15 5 36 MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series other5oar 2 gt PN PG 4 gt x t 2 2 2 i x x E 2 Le x 2 di M ars 5 Je ex ES Be 2 M gt 6 NS Ne rs x 6 5 9 6 E a X 3 p 9 BATS To J7 on display module 2 x dE NS 0076018 Figure 5 19 Front panel and display MSO70000 C DSA DPO70000C Series 8070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 5 37 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 18 Replaceable parts Drive bay 1 MSO70000 C DSA DPO70000C Series Tektronix Serial Fig amp index part Serial no no number number effective discont d Qty Name amp description 5 20 DRIVE BAY 1 1 441 2602 00 1
62. RTS 407 5381 00 BRACKET POWER SUPPLY END ATTACHED PARTS 2 211 0721 00 12 SCREW MACHINE 6 32 X 0 375 PNH STEEL ZINC FINISH WITH NYLOC PATCH T 15 TORX DR 3 436 0422 00 1 TRAY FAN CHASSIS ASSY W 6 FANS MOUNTED HAMMERHEAD 4 335 2167 00 1 LABEL CHASSIS REAR COSMETIC 5 335 0263 01 1 MARKER IDENT SUPER LABEL BLANK ROLL STOCK 6 335 0347 00 1 MARKER IDENT REAR PANEL BLANK 2 100 X 2 700 7 870 0210 00 1 CIRCUIT BOARD ASSY POWER DISTRIBUTION 8780210XX TESTED W PACKAGING 8 335 2153 00 1 LABEL M BOARD 10 AIMB566 9 343 1719 00 1 CLIP PCB RETENTION BRACKET PWR DIST TO PCI SAFETY CONTROLLED 10 211 1050 00 15 SCREW MACHINE 6 32 X 0 312 L PNH STEEL ZINC FINISH T15 5 4 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Make sure that the power supply is properly connected to the power distribution board From power supply cable Cable dress for fan cable SS Power distribution 0076 019 Figure 5 23 Power supply 070000 DSA DPO70000CSeries MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 5 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 22 Replaceable parts Acquisition MSO70000 C DSA DPO70000C Series Fig amp Tektronix index part Serial no Serial
63. SO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx HATX POST codes cont Displayed POST Item no Module code Description 12 Setup Pages E1 EF E1 Page 1 E2 Page 2 and so on Force load Default to 1 Chipset defaults program chipset Reserved 2 Early Superio Init 3 Early Initialize of the super IO Reserved 4 Blank video 5 Reset the Video controller Reserved 6 Init KBC 7 Keyboard controller init KB test 8 Test the keyboard Reserved 9 Mouse Init Initialize the mouse Onboard Audio init B Initialize the onboard audio controller if it exits Reserved C Reserved D CheckS um Check E Check the integrity of the ROM BIOS and message Reserved F Auto detect EEPROM 10 Check the Flash type and copy fbsh write erase routines to OF 000h segments Reserved 11 CMOS Check 12 Check CMOS Circuitry and reset CMOS Reserved 13 Chipset Default load 14 Program the chipset registers with CMOS values Reserved 15 Clock Init 16 Init onboard clock generator Reserved 17 Identify the CPU 18 Check the CPU ID and init L1 L2 cache Reserved 19 Reserved 1A Setup Interrupt Vector 1B Initialize frst 120 interrupt vectors with SPURIOUS INT HDLR Table and initialize INT OOh 1Fh according to INT TBL Reserved 1C Early PM Init 1D First step initialize if single CPU onboard Reserved 1E Re initial KB 1F Re init KB Reserved 20 HPM init 21 If support HPM HP
64. Table 5 31 Replaceable parts Drive bay 1 MSO70000 C DSA DPO70000C Series 5 38 Replaceable parts Drive bay 2 MSO70000 C DSA DPO70000C Series 5 40 Replaceable parts Interface board MSO70000 C DSA DPO70000C Series 5 42 Replaceable parts Power supply and fans MSO70000 C DSA DPO70000C Series 5 44 Replaceable parts Acquisition MSO70000 C DSA DPO70000C Series 5 46 Replaceable parts MSO module MSO70000 C 5 48 Replaceable parts ATX 1 MSO70000 C DSA DPO70000C 5 50 Replaceable parts ATX 2 MSO70000 C DSA DPO70000C Series 5 52 Replaceable parts Front panel assembly MSO DPO5000 5 54 Replaceable parts Display Analog bd and Main bd MSO DPO5000 Series 5 56 Replaceable parts Rear chassis and connecting modules MSO DPO5000 Series 5 58 Replaceable parts External parts MSO DPO5000 5 60 Replaceable parts Cable and connectors rear chassis MSO DPO5000 Series 5 62 Replaceable parts Cable and connectors Main board MSO DPO5000 Series 5 63 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series General Safety Summary General Safety Summary Review the following safety precautions to avoid injury and prevent damage t
65. U test Processor Status 1F LAGS Veriftation Tests the following processor status fags Carry zero sign overfbw The BIOS sets each fhg and verifes that they are set then turns each fhg off and verifes that it is off Read Write Verify all the CPU registers except 55 SP and BP with data pattern FF and 00 RAM must be periodically refreshed to keep the memory from decaying This function ensures that the memory refresh function is working properly 2 Memory Presence C1 First block memory detect OEM Specift Testto size on board memory Early chip set initialization Memory presence test OEM chip set routines Clear low 64K of memory Test frst 64K memory 3 Early Memory C2 OEM Specift Board Initialization Initialization 4 Extend Memory DRAM C3 OEM Specift Turn on extended memory select Initialization Cyrix CPU initialization Cache initialization 5 Special Display C4 OEM Specift Display Video S witch Handling Handling so that the Switch Handling display switch errors never occur 6 Early Shadow C5 OEM specift Early shadow enable for fast boot 7 Cache presence test C6 External cache size detection 8 CMOS Check CF CMOS checkup 9 Spurious BO If interrupt occurs in protected mode 10 Unclaimed NMI Bl If unmasked NMI occurs display Press F1 to disable NMI F2 reboot 11 Program Chip Set BF To program chipset from defaults values MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 3 Troubleshooting DPO7000 Series M
66. VD 12 335 2169 00 1 LABEL NOMENCLATURE 5070404 335 2170 00 1 LABEL NOMENCLATURE 5070604 335 2171 00 1 LABEL NOMENCLATURE 5070804 335 2172 00 1 LABEL NOMENCLATURE 5071254 335 2173 00 1 LABEL NOMENCLATURE 5071604 335 2174 00 1 LABEL NOMENCLATURE 5072004 335 2426 00 1 LABEL NOMENCLATURE MS071254C 335 2421 00 1 LABEL NOMENCLATURE 5071604 335 2428 00 1 LABEL NOMENCLATURE 5072004 335 2438 00 1 LABEL NOMENCLATURE DSA71254C 335 2439 00 1 LABEL NOMENCLATURE DSA71604C 335 2440 00 1 LABEL NOMENCLATURE DSA72004C 335 2432 00 1 LABEL NOMENCLATURE DP071254C 335 2433 00 1 LABEL NOMENCLATURE DP071604C 335 2434 00 1 LABEL NOMENCLATURE DP072004C 13 211 0721 00 4 SCREW MACHINE 6 32 X 0 375 PNH STEEL ZINC FINISH WITH NYLOC PATCH T 15 TORX DR 5 32 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series 0076 016 Figure 5 17 External 1 5070000 DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 33 Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 16 Replaceable parts External 2 070000 DSA DPO70000C Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 18 EXTERNAL PARTS 1 174 5226 00 1 CABLE ASSY LINE FILTER 2 211 1050
67. age caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W2 15AUG04 Table of Contents General Safety 5 od rec dvta vii Service Safety SUMMALY vio deret OI EE sd EI ix luce M
68. agents which might damage the plastics used in this instrument Use only deionized water when cleaning the menu buttons or front panel buttons Use 75 isopropyl alcohol solution as a cleaner and rinse with deionized water Before using any other type of cleaner consult your Tektronix Service Center or representative 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Maintenance Inspection Exterior Inspect the outside of the instrument for damage wear and missing parts See Table 4 1 Immediately repair defects that could cause personal injury or lead to further damage to the instrument Table 4 1 External inspection checklist Item Inspect for Repair action Cabinet front panel and Cracks scratches Repair or replace defective Cover deformations damaged module hardware Front panel knobs Missing damaged or loose Repair or replace missing or knobs defective knobs Connectors Broken shells cracked Repair or replace defective insulation and deformed modules Clear or wash out contacts Dirt in connectors dirt Carrying handle and Correct operation Repair or replace defective cabinet feet module Accessories Missing items or parts of Repair or replace damaged items bent pins broken or or missing items frayed frayed cables and damaged cables and defective connectors modules Flat Panel Display Cleaning display is a soft plastic display and must be treated w
69. anel assembly to the front case assembly with contact springs 14 5 screws across the bottom of the Front panel assembly attach it to the front case assembly without contact springs 10 260 2899 00 1 SWITCH KEYPAD ELASTOMERIC UTILITY 11 407 2567 00 1 BRACKET SUPPORT UTILITY SWITCH 12 260 2901 00 1 SWITCH KEYPAD ELASTOMERIC FRONT PANEL 13 877 0277 01 1 CIRCUIT BOARD ASSEMBLY FRONT PANEL 14 131 8139 00 10 CONTACT SPRING FRONT PANEL ELEC 5 54 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts MSO DPOS000 Series 0076 008 Figure 5 28 Front panel assembly MSO DPO5000 Series 5 55 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Replaceable Parts MSO DPO5000 Series Table 5 27 Replaceable parts Display Analog bd and bd MSO DPO5000 Series Figure and Serial Serial index Tektronix no no no part no effective discont d ty Name and description 5 29 DISPLAY ANALOG BOARD amp MAIN BOARD 1 850 0130 00 1 FRAME ASSEMBLY DISPLAY LCD 2 211 1272 00 40 SCREW MACHINE 6 32 x 0 250 P NH STL ZNPL T 15 TORX DRIVE DISTRIBUTION OF THE 211 1272 00 SCREWS 6 screws attach the LCD assembly to the front chassis 15 screws attach the Main board assembly to the front chassis 6 screws attach the Analog board assem
70. ard If this does not identify the problem check the IEC power cable If this process did not correct the problem replace the power supply Isolating to a Board if Power Will Not Come Up DPO70000B and DSA70000B Series Remove boards one at a time to locate a fault the Display board Acquisition board Power distribution board PCI backbone board and the ATX board If this does not identify the problem check the IEC power cable If this process did not correct the problem replace the power supply 4 20 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Checking the Power Supply Voltages To check the power supply voltages power on the instrument and connect the reference lead of a digital voltmeter to chassis ground such as the top of the power supply Attach a 0 025 inch square pin to the probe tip of the other lead and insert it into a pin on one of the connectors The following table shows the voltage you should find on each pin of J102 or J8 and J103 or J9 See Figure 4 7 on page 4 22 Measure the power supply voltages with the voltmeter and compare each reading to the values listed in the table If the voltages are within about 5 of the nominal voltages your power supply is functional Table 4 8 Power supply voltages Power interconnect board Power interconnect board J102 Power distribution J10
71. ble parts Power supply and fans DSA DPO70000B Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 11 POWER SUPPLY AND FANS 1 119 6982 1 POWER SUPPLY AC DC 1200W 48V 25A 12V 1A 85 264VAC 47 63HZ ELCON 377 0002 00100A IEC320 C22 11 5X6 75X2 75lN CLOSED CHASSIS 407 5381 00 B110100 BRACKET POWER SUPPLY 2 211 1050 00 12 SCREW MACHINE 6 32X0 312 L PNH STL CAD PLT T15 3 436 0422 00 1 TRAY FAN CHASSIS ASSY W 6 FANS MOUNTED HAMMERHEAD 4 441 2563 00 1 CHASSIS ASSEMBLY MAIN ADVANTECH AIMB 562 UATX SAFETY CONTROLLED DPO70000B SERIES 407 5366 00 1 BRACKET IO BACK PANEL PLATE DPO DSA7000B SERIES 5 335 1634 00 1 LABEL CHASSIS REAR COSMETIC 0 335 0263 01 1 MARKER IDENT SUPER LABEL BLANK ROLL STOCK 7 335 0347 00 1 MARKER IDENT REAR PANEL BLANK 2 100 X 2 700 8 065 0759 01 010100 B110099 1 CIRCUIT BOARD POWER DISTRIBUTION DSA70000 DPO70000 8a 671 6385 00 110100 1 CIRCUIT BOARD POWER DISTRIBUTION DSA70000B DPO70000B 9 343 1585 00 1 CLAMP WIRE ROUTING CLAMP FLAT CABLE BLIND HOLE MOUNTED NYLON 10 335 1604 00 1 LABEL REAR I O PLATE LEXAN 5 22 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts DSA DPO70000B Series Make sure that the power supply COR is properly connected to the From power power distribution board supply cable
72. blem with the system When it flashes it generally means something is wrong on the COM E Interface board typically the power supply It can also indicate a communication problem between the COM E Interface board and other systems This LED will flash after a fault is discovered on the board unless the error is a CRC failure bad FLASH memory Each error uses a different flash period and delay between flash bursts The speed of the flashes determines the error number which defines the error type for example very slow flashing indicates Error 1 Error 1 is fatal during startup or shutdown During normal operation Error 1 is a warning indicating that a converter is operating near the tolerance limits See Table 4 18 on page 4 51 The number of flashes points to the problematic DC DC converter or circuit A DC DC converter has a startup or shutdown failure if it fails to cross 4 50 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting MSO DPO5000 Series a predefined threshold in a specific amount of time See Table 4 19 on page 4 51 7 Example 1 A series of four flashes with a period of 500 ms and a four second pause before the four flashes repeat indicates that the 3 3 V DC DC converter had an output voltage that went out of tolerance To protect the system all supplies would have been shut down as a result of this fault Example 2 series of seven flashes with a period of 500 ms an
73. bly to the front chassis 12 screws attach the rear chassis to the front chassis 4 across the top flange of the rear chassis 2 on each side flange and 4 across the bottom flnge of the front chassis 1 screw attaches the ground jack to the front chassis 3 441 2608 00 1 CHASSIS ASSEMBLY FRONT 4 211 1273 00 8 SCREW PT K35 1 57 PAN HEAD STL ZNPL T 15 TORX DRIVE 5 131 6643 00 6 CONTACT ELEC GROUNDING 0 169 L X 0 250 W X 0 320 D ELECTROLESS NICKEL PLATE 6 131 6417 00 4 CONTACT ELEC GROUNDING 0 600 L X 0 250 W X 0 220 D ELECTROLESS NICKEL PLATE 7 131 7622 00 1 CONN RECEPT GROUND JACK 8 coe 1 MAIN BOARD ASSEMBLY Return the instrument to Tektronix for service Must be replaced with the ANALOG BOARD ASSEMBLY SML S 1 ANALOG BOARD ASSEMBLY Return the instrument to Tektronix for service Must be replaced with the MAIN BOARD ASSEMBLY 10 351 1134 00 1 DIGITAL PROBE GUIDE 11 129 1693 00 1 SPACER POST 5 56 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO DPOS5000 Series 73 65 fog OOX Vo gt 0075 29 R aa 27 5 LA LA GU OU Li A Us MOCO fa SEE DONO Figure 5 29 Display Analog bd and Main bd assembly MSO DPO5000 Series 5 57 8070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO DPOS000 Series Table 5 28 Replaceable par
74. board An analog signal enters the instrument through a connection to an input connector on the front panel Main Acquisition Board Each channel on the Analog board comes onto the Main board and is routed to two of the analog to digital converters A Ds on the Main board Triggers from the Analog board go to the trigger ASIC The A D digitizes your signal and sends it to one or two of the four demuxes on the Main board The demux sends the data to on board DDR2 acquisition memory The demuxes are tied together through two busses an LVDS ring bus IDC and a 3 3 V parallel bus PA The demux interacts with the trigger ASIC and also performs display functions For MSO models the trigger ASIC also performs the acquisition function for the digital probe which connects directly to the Main board The acquisition data and display data are sent by the IDC and PA buses to the SMIA FPGA which controls various acquisition functions The SMIA controls acquisition devices through the SPI IIC PA IDC and GPIO busses The SMIA communicates through a local bus to the PLX device The PLX device provides a PCIe interface to the host computer module The Main board contains many local switching power supplies to support all of the acquisition and trigger ASICs Analog Acquisition Board The signal enters the instrument through a front panel BNC connector which is connected to the Analog board The Analog board contains the 50 Q and IM Q paths to th
75. bordinate topics These topics can be cross referenced as sections Be sure to read the introductions to all procedures These introductions provide important information needed to perform the service correctly safely and efficiently Manual Conventions This manual uses certain conventions that you should become familiar with before attempting service Product Specific This manual contains information that is necessary to service the following Information products 505000 Series MSO70000 Series MSO70000C Series DSA70000B Series DSA70000C Series DPOS000 Series m DPO7000 Series DPO70000B Series DPO70000C Series Check for a specific product designation in the header at the top of the page in a heading table or figure title or within text Material that does not have any specific product designation applies to all products in the manual Modules Throughout this manual any replaceable component assembly or part is referred to as a module MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series xi Preface Replaceable Parts This manual refers to any field replaceable assembly or mechanical part specifically by its name or generically as a replaceable part In general a replaceable part is any circuit board or assembly such as the hard disk drive or a mechanical part such as the I O port connectors that is listed in the replaceable parts list See page 5 1 Replaceable Parts
76. ch completely disconnects the line power from the instrument The ON STBY switch controls the power to the instrument through the uATX board circuitry When in the power off condition there is still a low power standby circuit to allow the system to monitor the ON STBY switch Fans For cooling the instrument fans draw air out of the instrument for a negatively pressured instrument The fans are controlled by an embedded processor on the acquisition board and are regulated by monitoring the temperature of the acquisition board circuitry Cooling air enters the instrument through specific locations on the covers where it flows directly over the heat sinks of each high wattage component MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 2 3 Theory of Operation XGA Display Backlight Inverter Display Adapter J2 Right Rear Chassis TekLink Printer Power Signal Front Mount Left Rear Chassis 41451 4020 J700 J1610 J1440 On Standby Video Printer GPIB TekLinkl O Display Front Panel Motherboard Power Interface Board J400 J100 Rear Motherboard I O J401 J101 keyboard mouse o 3 serial parallel miis VGA USB 2 audio Ethernet 2x2 2x10 Motherboard Power Pentium Power Power Interconnect Board HD CD Power Line Trigger Line In Filter Figure 2 1 Block diagram DPO7000 Series 2 4 5070000
77. ct CPU speed and display CPU vendor specift version string and turn on all necessary CPU features Reserved 56 PnP Init 57 Display PnP logo and PnP early init Reserved 58 Setup Virus Protect 59 Setup virus protect according to Setup Reserved 5A Awdfbsh Load 5B If required will auto load AwdfBsh exe in POST Reserved 5C Onboard 1 0 Init 5D Initializing onboard super IO 4 34 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx HATX POST codes cont Displayed POST Item no Module code Description 12 Reserved 5E Reserved 5F Setup enable 60 Display setup message and enable setup functions Reserved 61 Reserved 62 Initialize amp Install Mouse 63 Detect if mouse is present initialize mouse install interrupt vectors Reserved 64 PS2 Mouse special 65 Special treatment to PS2 Mouse port Reserved 66 ACPI init 67 ACPI sub system initializing Reserved 68 Setup Cache Controller 69 Initialize cache controller Reserved 6A Setup Entering 6B Enter setup check and auto confguration check up Reserved 6C Initialize Floppy Drive amp 6D Initialize fbppy disk drive controller and any drives Controller Reserved 6E FDD install 6F Install FDD and setup BIOS data area parameters Reserved 70 Reserved 71 Reserved 72 Initialize Har
78. ctly Incompatible Sec Slave Drive ATAPI Incompatible 4 A Drive Error No response from the drive 5 Cache Memory Bad Memory may be bad 6 CMOS Battery Low Replace the battery 7 CMOS Display Type Wrong Check the setup to make sure the type is correct 8 CMOS Checksum Bad Run the setup to reset values 9 CMOS Settings Wrong Settings corrupted or the battery has failed 10 CMOS Date Time Not Set Run the setup to correct values 11 DMA Error Error during read write test of controller 12 FDC Failure Error while trying to access controller 13 HDC Failure Error while trying to access controller 14 Checking NVRAM NVRAM is being checked 15 Update OK Invalid NVRAM has been updated 16 Update Failed Unable to update invalid 17 Keyboard Error Make sure the keyboard is connected properly 18 Keyboard Interface Error Keyboard test failed MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 27 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 10 ATX BIOS error messages cont Item no Error message Description 19 Memory Size Decreased If no memory was removed the memory may be bad 20 Memory Size Increased If no memory was added the system may have a problem 21 Memory Size Changed If no memory was added or removed the memory may be bad 22 No Boot Device Available Boot device not found 23 Off Board Parity Error Parity error occurr
79. d Drive amp 13 Initialize hard drive controller and any drives Controller Reserved 74 Install HDD 75 IDE device detection and install Reserved 16 Detect amp Initialize 11 Initialize any serial and parallel ports also game port Serial P arallel Reserved 78 Reserved 79 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 35 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx HATX POST codes cont Displayed POST Item no Module code Description 12 Detect amp Initialize Math 7A Initialize math coprocessor Coprocessor Reserved 7B HDD Check for Write 7C HDD check out protection Reserved 7D Reserved POST error check TF Check POST error and display them and ask for user intervention Reserved 80 Reserved 81 Security Check 82 Ask password security optional Write CMOS 83 Write all CMOS values back to RAM and clear screen Pre boot Enable 84 Enable parity checker Enable NMI enable cache before boot Initialize Option ROMs 85 Initialize any option ROMs present from C8000h to EFFFFh NOTE When FSCAN option is enabled ROMs initialize from C8000h to F7FFFh Reserved 86 Reserved 87 Reserved 88 Reserved 89 Reserved 8A Reserved 8B Reserved 8C Reserved 8D Reserved 8E Reserved 8F Reserved 90 Reserved 91 Reserved 92 Boot Medium detection 93 Read and store boot partition h
80. d a four second pause before the seven flashes repeat indicates that the internal VPI probe 12 V current limit was exceeded Table 4 18 DS10 Errors by speed and duration Delay before flash pattern Error Period LED time is repeated number Error type 0 0 LED always on fbshes 0 Microcontroller code is corrupt Internal CRC verification failed 25 15 165 1 Startup or shutdown failed or output voltage is out of tolerance ls 500 ms 85 2 Output voltage is high 500 ms 250 ms 4s 3 Output voltage is low Table 4 19 0 10 Errors by number of flashes with related voltages Under Low High Over Number of flashes Channel Error 3 Error 1 Error 1 Error 2 1 12 V 9 8 V 10 8 V 132V 144 V 2 12 VM switched 12V 98 10 8 V 132V 144 V to COM E module and SATA HDD 3 5 V 41V 45V 5 5 6V 4 33V 2 6 V 3V 3 6 V 4V 6 VPI probe power 8 2 V 10 2 V 14V 16 2 V external 12 V 7 VPI probe powerinternal 200 500 mA 12A 15A 12 V load current 11 ADT7476 requested a shut down because temperature is too high 12 ADT 7416 fan controller did not respond to programming MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 5 Troubleshooting MSO DPO5000 Series BIOS Error Messages When the COM E Interface board powers on the BIOS runs power on self tests POST to check the board and writes error codes to location 80h To read these error codes an external LPC base
81. d port 80 decoder is required Connect the decoder to J20 on the COM E board An example of an LPC based port 80 decoder is the Tektronix test board G2834XA A PCI port 80 decoder is not compatible with this product If the error is fatal the POST code indicates the last successful checkpoint reached The following table lists the POST codes displayed by the BIOS See Table 4 20 Once the display is enabled errors are written to the display as text messages These messages are always displayed unless the board is configured for silent startup or headless operation no keyboard mouse or display Table 4 20 BIOS POST codes ECM 945GM Series Displayed Module POST code Description Tum Off Chipset and C0 OEM Specift Cache control cache CPU test Processor Status 1FLAGS Veriftation Tests the following processor status 95 Carry zero sign overfbw The BIOS sets each flag and verifes that they are set then turns each fbg off and verifes that it is off Read Write Verify all the CPU registers except SS SP and BP with data pattern FF and 00 RAM must be periodically refreshed to keep the memory from decaying This function ensures that the memory refresh function is working properly Memory Presence C1 First block memory detect OEM Specift Test to size on board memory Early chip set initialization Memory presence test OEM chip set routines Clear low 64K of memory Test frst 64K memory Early Memory C2 OEM Spec
82. display module Distribution board Motherboard 1 Figure 5 15 Interface board DSA DPO70000B Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 29 Replaceable Parts DSA DPO70000B Series Table 5 14 Replaceable parts Drives DSA DPO70000B Series Tektronix Serial Fig amp index part Serial no no number number effective discont d Qty Name amp description 5 16 DRIVES 1 065 0851 00 1 DISK DRIVE ASSY SERVICE REPLACEMENT PROGRAMMED HARD DRIVE 2 211 1050 00 8 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 3 407 5069 00 1 BRACKET RHDD SATA COMBO CABLE 3 5 INCH REMOVABLE HARD DISK DRIVE RECEPTACLE 4 174 5169 00 1 CABLE ASSY SATA COMBO HARD DRIVE CABLE 5 174 5017 00 1 CABLE ASSEMBLY DVD POWER 0 679 5915 00 1 CKT BD SUBASSY DVD CD RW ADAPTER UNTESTED 389 3689 00 WIRED 7 129 1618 00 1 SPACER DVD CD RW SLIMLINE DRIVE ADAPTER PLASTIC 8 211 0950 00 4 SCREW MACHINE M2X 4X3L PHL PNH STL NIPL 9 407 5156 00 1 BRACKET DVD CD RW ADAPTER FOR DVD CD RW SLIMLINE 10 119 7196 00 1 DISK DRIVE OPTICAL 644MB CD RW DVD ROM COMBO 16 7 MB SEC IDE ATAPI DW 224E C93 11 441 2496 01 1 CHASSIS DRIVE BAY METAL 5 30 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 5000 Series Replaceable Parts DSA DPO70000B Series d backbone AX board Sy gt C
83. drive not installed Power supply failure Corrupted BIOS module frmware reinstall frmware Loose cable Corrupted OS image DVD ROM related symptoms Defective CDRW ROM Defective CDRW ROM drive cable Defective CDRW ROM board Incorrect CDRW ROM configuration in the BIOS setup Flat panel display blank amp Video adapter set to Integrated connect monitor to VIDEO port enter BIOS set Video Adapter PCI BIOS setting not Advance gt Video Configuration gt Primary Video Adapter 2 PCI Defective cable from display adapter board to power interface board Defective cable from inverter board to display adapter board Defective cable from inverter board to backlighting display lamp Defective backlighting display lamp Faulty display Faulty power interface board Faulty power interconnect board Faulty inverter board Faulty display adapter board BIOS error messages E Refer to the BIOS error message information MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 4 17 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Equipment Required You will need a digital voltmeter to check power supply voltages Fault Isolation Procedure Follow the primary troubleshooting tree for fault isolation See Figure 4 5 This tree calls for you to run the diagnostics programs and check for BIOS errors 4 18 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000
84. e 4 2 You can also refer to the exploded view diagrams See page 5 2 Using the Replaceable Parts List To access the modules refer to the module removal table See Table 4 5 on page 4 11 Power supply Power Fan Distribution assembly PCI backbone assembly DVD Removable hard drive Motherboard assembly Acquisition assembly Front panel assembly Figure 4 2 Module locations DSA DPO70000B Series 4 10 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Table 4 5 Module removal DSA DPO70000B Series You must first remove Module Removal DSA DPO70000B Series Trim amp ESD DVD Hard drive Acquisition Power PCI cosmetic electrostatic assembly supply backbone covers discharge Covers Front panel X and Display Front USB X Bottom X DVD X Top Hard drive X Top cable and bracket pATX X Top X motherboard PCI X Top backbone Acquisition X Bottom assembly Power X Top supply Power X Both X X X distribution Fan X assembly Power X Bottom button MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 11 and Power Interface Removal DPO7000 Series ATX and Power Interface Removal DPO7000 Series Removal of the ATX motherboard and the Power Interface assembly is a complex process To access or replace either one remove both the motherboard and the Power In
85. e pre amp ASIC preamp The higher bandwidth boards have two preamps per channel and the lower bandwidth boards have one preamp per channel The 1M Q path has an attenuator network which allows the routing of various gain settings into the preamp The Analog board has a calibrated voltage reference CVR which is used to calibrate the signal path The Analog board has a microprocessor that handles various communication and calibration algorithms The Analog board is controlled through the SPI bus The preamp has outputs that go to the A D and the trigger ASIC on the Main board Hardware filters limit the bandwidth of the instrument on the output of the preamps before the signal goes off board to the A D 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Theory of Operation Display Panel Waveforms and menus are displayed on a color active matrix LCD display with touch panel Display System Text and menu image information from the Windows system is merged with the waveform images and processed by the display circuitry The display system sends the combined graphical image to the active matrix LCD display Touch Panel The touch information from the touch screen is processed by a Windows driver actively placing the pointer at the touched location Actions from a mouse and actions from the touch panel are interchangeable and treated alike by the user interface software Front Panel The Front panel board takes inpu
86. ead and Final Init 94 Final init for last micro details before boot Special KBC patch 95 Set system speed for boot Setup NumLock status according to Setup Boot Attempt 96 Set low stack Boot via INT 19h Boot FF 4 36 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx ATX POST codes cont Item no Module Displayed POST code Description Quick POST Codes 13 Init onboard device 65 Early Initialized the super IO Reset Video controller Keyboard controller init Testthe Keyboard Initialized the mouse Onboard audio controller initialize if exist Check the integrity of the ROM BIOS and message Check Flash type and fish write erase routines to OF 000h segments Check CMOS Circuitry and reset CMOS Program the chipset registers with CMOS values Init onboard clock generator Early System setup 66 Check the CPU ID and init L1 L2 cache Initialize frst 120 interrupt vectors with SPURIOUS INT HDLR and initialize INT 00h 1Fh according to INT TBL First step initialize if single CPU onboard Re init KB If support HPM HPM get initialized here KBC and CMOS Init 67 Verifes CMOS is working correctly detects bad battery If failed load CMOS defaults and load into chipset Final Initial KBC and setup BIOS data area Video Init 68 Read CMOS location 14h to fnd o
87. ed on an off board card 24 On Board Parity Error Parity error occurred in on board memory 25 Parity Error Error occurred in on board memory at an unknown address 26 NVRAM CMOS PASSWORD cleared by J umper off power and remove the jumper 2 CTRL Pressed CMOS is ignored and NVRAM is cleared Enter Setup Table 4 11 039 0173 xx and 065 0745 xx uATX POST codes Displayed POST Item no Module code Description 1 Host Processor 10 Power on initialization of the host processor Boot Strap Processor 11 Host processor Cache initialization including AP s 12 Starting Application processor initialization 13 SMM initialization 2 Chipset 21 Initializing a chipset component 3 Memory 22 Reading SPD from memory DIMMs 23 Detecting presence of memory DIMMs 24 Programming timing parameters in the memory controller and the DIMMs 25 Confguring memory 26 Optimizing memory settings 27 Initializing memory such as ECC init 28 Testing memory 4 PCI Bus 50 Enumerating PCI busses 51 Allocating resources to PCI bus 52 Hot Plug PCI controller initialization 53 57 Reserved for PCI Bus 5 USB 58 Resetting USB bus 59 Reserved for USB 4 28 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 11 039 0173 xx and 065 0745 xx POST codes cont Displayed POST
88. eformations and damaged hardware Chassis Straighten repair or replace defective hardware 4 4 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Maintenance Cleaning Procedure Interior To clean the instrument interior perform the following steps 1 Blow off dust with dry low pressure deionized air approximately 9 psi 2 Remove any remaining dust with a lint free cloth dampened in isopropyl alcohol 75 solution and rinse with warm deionized water A cotton tipped applicator is useful for cleaning in narrow spaces and on circuit boards NOTE If after doing steps I and 2 a module is clean upon inspection skip the remaining steps 3 Ifsteps 1 and 2 do not remove all the dust or dirt the instrument may be spray washed using a solution of 7596 isopropyl alcohol by doing steps 4 through 8 4 Gain access to the parts to be cleaned by removing easily accessible shields and panels See page 4 7 Removal and Installation Overview 5 Spray wash dirty parts with the isopropyl alcohol and wait 60 seconds for the majority of the alcohol to evaporate 6 Use hot 120 F to 140 F deionized water to thoroughly rinse them 7 Dry all parts with low pressure deionized air 8 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 this instrument
89. er switches are read by an embedded micro controller which sends the button and knob change information to the Windows system over the Universal Serial Bus path ON STBY The ON STBY switch in the lower left corner of the instrument front is connected directly to the ATX board which in turn controls the off line power supply system This allows Windows to control the power based on standard Windows operating behavior uATX Board The board provides standard Windows functionality and I O port interfaces on the rear panel This includes DVI 1 video RS 232 Centronics and Ethernet ports as well as four USB ports including a USB2 0 port placed in the lower right corner of the instrument front The uATX board receives input from the Front Panel and Touch Panel and implements the appropriate changes Video display data containing waveform and graphical menu information is transferred to the Windows system through the PCle bus interface The hard drive and the CD DVD are connected to the uATX board through SATA interfaces The hard drive and CD provide access to stored waveform data and software to customize your instrument with your measurement needs Interface Board This board coordinates the flow of data through the Windows PCIe port from the various devices that communicate with the uATX system The devices include the display system GPIB TekLink and a direct DMA path to the acquisition system The GPIB permits external contr
90. es If you suspect that there is damage to this product have it inspected by qualified service personnel Avoid exposed circuitry Do not touch exposed connections and components when power is present 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 MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series vii General Safety Summary 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 Symbols and Terms onthe These terms may appear on the product 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 The following symbol s may appear on the product CAUTION WARNING Protective GroundEarth Terminal Mains DisconnectedMains Connected Refer to Manual High Voltage Earth Terminal OFF Power ON Power Standby viii 5070000 DSA70000B C DPO7000
91. gnostics check the basic functionality of the acquisition system at every power on The Instrument Diagnostics run after Windows has booted up and run its own set of system checks If any failures occur at power on a pop up message indicates that a failure has occurred and provides a choice to go directly to the diagnostic results window to view the specific failures or to ignore them and continue directly into the oscilloscope application Several diagnostic tests are available See Table 4 9 on page 4 25 The table indicates which tests run automatically at power up and which tests are run manually MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 23 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series The power on tests ensure that the hardware is installed and can be accessed by the software The tests provide limited diagnostic information and provide no performance information If there are no failures you can view the results of the tests in the Instrument Diagnostics page under the Utilities menu To run the instrument Diagnostics perform these steps 1 Turn off all other applications 2 From the menu bar touch Utilities and then select Instrument Diagnostics the Diagnostics control panel appears See Figure 4 8 Figure 4 8 Diagnostics control panel 4 24 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Ser
92. heck up Initialize fbppy disk drive controller and any drives Install FDD and setup BIOS data area Parameters Initialize hard drive Cache Init 67 Cache init and USB init PM init 68 PM initialization PM f al Init and issue 69 Final init Before resume SMI Full on FF BootBlock POST Codes 15 Base memory test 1 Clear base memory area 0000 0000 9000 ffffh KB init 5 Initialized KBC Install interrupt vectors 12 Install int vector 0 77 and initialized 00 1fh to their proper place Init Video 0D Video initializing Init FDD 41 Scan fbppy and media capacity for onboard super IO Boot FF Load boot sector 4 40 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series BIOS Beep Codes When the uATX board powers on a number of the BIOS checkpoints generate an audible beep code on failure using the standard PC speaker also routed through the board audio system The beep codes are listed in the following table Codes are also written to I O port 80h and the video adapters External ROM modules may issue a series of tones on error detection The BIOS generates one short beep if the power on self tests complete without error If your instrument does not contain a speaker attach a speaker to the display adapter board square pins to hear the codes Table 4 13 039 0173 xx and 065 0745 xx ATX beep codes
93. ies csse eee me semen 4 10 uATX and Power Interface Removal DPO7000 Series ence eee 4 12 Module Removal 50 5000 11 cence meme ese essen 4 14 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series 4 16 Service Levels EUST 4 16 Check for Common Problems pp 4 16 Equipment Required coe eee oor edet UE 4 18 Fault Isolation Procedures Le ttt eer ees 4 18 Instrument Diagnostics 2 ceci RR VRRa E 4 23 Software S 4 26 After Repair ss 4 27 uATX BIOS Error Messages ccc cece cece cence eee ne Ie sem ee e e e senes 4 27 BIOS Beep Codes ccc ences rrt eS rre das e etd ES 4 41 Update Restore the ATX Board 5 sse ee meme 4 43 Installing an Authorization Key pp 4 43 Hard Disk Drive Re 4 43 Troubleshooting MSO DPOS5000 Series pp 4 45 Software Updates E 4 45 EET 4 45 Service Level RE 4 46 Check for Common Problems 5 rr eret bU 4 46 Fault Isolation Procedure e eere TR ERR E 4 46 BIOS Error Messages 4 52 BIOS Codes ccc but ed Ru eno el Lp a a ied Du naa IS e 4 58 Hard Disk Drive Ra 4 58 Replaceable Parts ii Replaceable Parts OVer
94. ies MSO70000 C Series DSA DPO70000B C Series Table 4 9 Diagnostic tests Component Group amp test Error codes Power on Manual Instrument Processor Memory 111 DRAMWalk1 112 DRAMCell 113 DRAMMarch 114 DRAMCal yp 50 70000 only Registers PCI 211 MIA Acquisition 221 ACL 222 PCL 223 Preamp 224 TrkHld 225 ADC 226 DAC 221 Demux X gt Trigger 231 SBTL 232 SGTL 233 TrigComp 234 CommrTrig 235 FTL 50 70000 only Misc 241 FanCtrl 242 Tek04 243 DigCtrl 50 70000 only 50 70000 only Acquisition Demux 311 RunAB 312 AcqDone 313 SysRdy 314 Interrupt 315 IdcLoS peed 316 IdcHiS peed 317 IdcAcqDataXfr 318 IdcDispDataXfr I EIEIILII DMA 321 PaDMA 322 IdeAcqDMA Memory 331 MemData 332 MemAddr 333 MemSpeed Vertical 341 Preamp Inputs 342 TH Inputs 343 ADC Inputs 344 ADC Outputs 345 50 OhmO vld 346 LFComp k Mk PLL 351 Clock Freq All HF Source 361 SINE 362 SINE33 363 SQUARE 7000 only All All MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 25 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 9 Diagnostic tests cont Component Group amp test Error codes Power on Manual Instrument Acquisition AcqP rocessor 371 SPI Cont 37
95. ift Board Initialization Initialization Extend Memory DRAM C3 OEM Specift Turn on extended memory select Initialization Cyrix CPU initialization Cache initialization Special Display C4 OEM Specift Display Video S witch Handling Handling so that the Switch Handling display switch errors never occur Early Shadow C5 OEM specift E arly shadow enable for fast boot Cache presence test C6 External cache size detection CMOS Check CF CMOS checkup 4 52 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting MSO DPO5000 Series Table 4 20 BIOS POST codes ECM 945GM Series cont Displayed Module POST code Description Spurious B0 If interrupt occurs in protected mode Unclaimed NMI Bl If unmasked NMI occurs display Press F1 to disable NMI F2 reboot Program Chip Set BF To program chipset from defaults values Setup Pages E1 EF 1 Page 1 E2 Page 2 and so on Force load Default to 1 Chipset defaults program chipset Reserved 2 Early Superio Init 3 Early Initialize of the super IO Reserved 4 Blank video 5 Reset the Video controller Reserved 6 Init KBC 7 Keyboard controller init KB test 8 Test the keyboard Reserved 9 Mouse Init Initialize the mouse Onboard Audio init B Initialize the onboard audio controller if it exits Reserved C Reserved D CheckS um Check E Check the integrity of the ROM BIOS and message Reserved F
96. ion 1 1 Memory refresh timing Check for improperly seated or missing error memory 2 2 Parity error 3 3 Main memory read write test error 4 8 Display memory error Reseat the video adapter If the condition persists replace the module 5 4 Motherboard timer not Fatal error operational Remove all expansion cards except any 6 5 Processor error video adapter 7 6 Keyboard controller m beep code is generated with no BAT test error connected adapter cards replace the 8 7 General exception pATX de is not ted e beep code is not generate 9 9 ROM checksum error with no connected adapter cards 10 10 CMOS shutdown replace the cards one ata time until register read write the problem recurs This should reveal error the malfunctioning card or module 11 11 Cache memory bad Replace that card or module 4 42 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Update Restore the ATX If the CMOS parameters become corrupted restore the CMOS memory using one Board CMOS ofthe following procedures CAUTION Install only CMOS parameters from Tektronix CMOS parameters from other manufactures may make your instrument inoperable If you cannot restore the CMOS memory replace the battery Restore the CMOS as follows 1 Press the F2 key during reboot to enter the BIOS SETUP UTILITY In the BIOS SETUP UTILITY
97. ith care during cleaning N CAUTION Improper cleaning agents or methods can damage the flat panel display Avoid using abrasive cleaners or commercial glass cleaners to clean the display surface Avoid spraying liquids directly on the display surface Avoid scrubbing the display with excessive force Clean the flat panel display surface by gently rubbing the display with a clean room wipe such as Wypall Medium Duty Wipes 05701 available from Kimberly Clark Corporation If the display is very dirty moisten the wipe with distilled water or a 7596 isopropyl alcohol solution and gently rub the display surface Avoid using excess force or you may damage the plastic display surface CAUTION prevent getting moisture inside the instrument during external cleaning use only enough liquid to dampen the cloth or applicator MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 3 Maintenance Inspection Interior To access the inside of the instrument for inspection and cleaning refer to the Removal and Installation Procedures in this section Inspect the internal portions of the instrument for damage and wear See Table 4 2 Defects should be repaired immediately If any circuit board is repaired or replaced you must perform the Performance Verification procedure in the specifications and performance verification manual which was provided with your instrument This manual is also availab
98. laceable Parts Overview Using the Replaceable Parts List This section contains a list of the replaceable mechanical and or electrical components Use this list to identify and order replacement parts The following table describes each column in the parts list Parts list column descriptions Column Column name Description 1 Figure amp index number Items in this section are referenced by fgure and index numbers to the exploded view illustrations that follow 2 Tektronix part number Use this part number when ordering replacement parts from Tektronix 3 and 4 Serial number Column three indicates the serial number at which the part was frst effective Column four indicates the serial number at which the part was discontinued No entry indicates the partis 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 identiftation Abbreviations Abbreviations conform to American National Standard ANSI Y 1 1 1972 5 2 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts DPO7000 Series Replaceable Parts DPO7000 Series Table 5 1 Replaceable parts External DPO7000 Series
99. larly may prevent instrument malfunction and enhance its reliability Preventive maintenance consists of visually inspecting and cleaning the instrument and using general care when operating it How often to perform maintenance depends on the severity of the environment in which the instrument is used proper time to perform preventive maintenance is just before instrument adjustment The cabinet helps keep dust out of the instrument and should normally be in place when operating the instrument Use a dry low velocity stream of air to clean the interior of the chassis Use a soft bristle non static producing brush for cleaning around components If you must use a liquid for minor interior cleaning use a 75 isopropyl alcohol solution and rinse with deionized water WARNING To avoid electric shock or damage to the instrument remove instrument power Before performing any procedure that follows power down the instrument and disconnect it from line voltage Clean the exterior surfaces of the chassis with a dry lint free cloth or a soft bristle brush If any dirt remains use a cloth or swab dipped in a 75 isopropyl alcohol solution Use a swab to clean narrow spaces around controls and connectors Do not use abrasive compounds on any part of the chassis that may damage the chassis Clean the On Standby switch using a dampened cleaning towel Do not spray or wet the switch itself CAUTION Avoid the use of chemical cleaning
100. le at www tektronix com manuals by searching for your product name If the instrument fails the Performance Verification tests it must be returned to Tektronix for calibration CAUTION 7D prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the instrument Table 4 2 Internal inspection checklist Item Inspect for Repair action Circuit boards Loose broken or corroded solder connections Burned circuit boards Burned broken or cracked circuit run plating Remove and replace damaged circuit board Resistors Burned cracked broken blistered condition Remove and replace damaged circuit board Solder connections Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Capacitors Damaged or leaking cases Remove and replace Corroded solder on leads or damaged circuit board terminals Semiconductors Loosely inserted in sockets irmly seat loose Distorted pins emiconductors Remove evices that have distorted ins Carefully straighten ins as required to ft the ocket using long nose pliers and reinsert frmly Ensure that straightening action does not crack pins causing them to break off n Wiring and cables Loose plugs or connectors Burned broken or frayed wiring Firmly seat connectors Repair or replace modules with defective wires or cables Dents d
101. mage to the instrument components read Installation and Preventing ESD in this section 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 NOTE Read the cleaning procedure before disassembling the instrument for cleaning Required Equipment Most modules in the instrument can be removed with a screwdriver handle mounted with a size T 15 Torx amp screwdriver tip equipment required to remove and reinstall the modules is listed in the following table Table 4 3 Required equipment for module removal Item no Name Description General Tool number 1 Screwdriver handle Accepts Torx driver bits 620 440 2 T 10 Torx tip Used for removing instrument 640 235 screws Torx driver bit for T 10 size screw heads 3 T 15 Torx tip Used for removing most 640 247 instrument screws Torx driver bit for T 15 size screw heads 4 1 8 inch fbt bladed screwdriver Screwdriver for unlocking cable Standard too connectors 5 0 Phillips screwdriver Screwdriver for removing small Standard too Phillips screws CDRW amp hard drive 6 Angle Tip Tweezers Used to remove front panel knobs Standard too 7 3 16 inch open end wrench Used to remove nut posts Standard too 8 9 32 inch open end wrench Used to remove nut posts Standard too 9 MA 800G Soldering Aid Used to remove the front panel Standard too trim MSO70000 C
102. me port Detect amp Initialize Math 74 Initialize math coprocessor Coprocessor HDD Check for Write 75 HDD check out protection Reserved 16 Display POST error 77 Check POST error and display them and ask for user intervention Ask password security optional CMOS and Option ROM 78 Write all CMOS values back to RAM and clear screen Init Enable parity checker Enable NMI Enable cache before boot 4 38 070000 DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx ATX POST codes cont Displayed POST Item no Module code Description 13 Initialize any option ROMs present from C8000h to EFFFFh NOTE When FSCAN option is enabled ROMs initialize from C8000h to F7FFFh Reserved 19 Reserved Reserved 7 Reserved 1C Boot Medium detection 7D Read and store boot partition head and cylinders values in RAM Final Init Final init for last micro details before boot Special KBC patch TF Set system speed for boot Setup NumLock status according to Setup Boot Attempt 80 Set low stack Boot via INT 19h Boot FF 4 POST Codes 14 Early Chipset Init 5A Early Initialized the super IO Reset Video controller Keyboard controller init Testthe Keyboard Initialized the mouse Cmos Check 5B Check CMOS Circuitry and reset CMOS Chipset default P rog 5C Program the chipset registers wi
103. no number number effective discont d Qty Name amp description 5 27 pATX 2 1 174 4797 00 1 CA ASSY 20 ATX POWER SAFETY CONTROLLED PWR DIST J 8 to HATX EATXPWR1 2 119 7333 00 1 P4LGAT75 FAN SINK BRACKET FROM AVC SAFETY CONTROLLED 3 211 1050 00 8 SCREW MACHINE 6 32 X 0 312 L PNH STEEL ZINC FINISH T15 4 174 4798 00 1 CA ASSY 4 PIN P4 POWER SAFETY CONTROLLED PWR DIST J 9 to 12V 5 167 1348 00 1 PROCESSOR INTEL CORE 2 DUO 3 0 GHZ WOLFDALE E8400 65W BUS SPD 1333MHZ FC LGA775 PKG W O FAN and HEATSINK EU80570P 0806M SLB9J 6 039 0188 00 1 COMPUTER BOARD ADVANTECH MICROATX LGA 775 CORE 2 DUO DDR2 PCI E X4 DUAL CH LVDS DVI I SINGLE GBE LAN ADVANTECH AIMB 566 SAFETY CONTROLLED nite 1 HEAT SINK BRACKET PART OF ITEM 2 IN THIS LIST 8 342 1198 00 1 DAMPENER FOR SHOCK AND VIBRATION HEMISPHERE GEOMETRY 1 00 IN DIA SPHERE 500 IN HEIGHT SORBOTHANE PN 0510115 BLACK 30 DUROMETER 9 167 1493 00 2 IC MEMORY 256MBIT X 64 2GB DDR2 1 8V 6 6 6 800 MT S MT16HTF25664AY 800 DIMM240 P C6400 5 52 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts MSO70000 C DSA DPO70000C Series Power distribution board Power distribution board a 00 6400 Re i Figure 5 27 pATX 2 MSO70000 C DSA DPO70000C Series MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 5 5
104. nt will not power on Power cord not plugged in Faulty power supply Faulty COM E Interface board Front panel light comes on instrument powers on but one or more fans will not operate Faulty fan cable Defective fan assembly Faulty power supply Faulty Main board Faulty COM E module Hard disk drive related symptoms Defective hard disk drive Incorrect hard disk type selected in the BIOS setup Replaceable hard disk drive not installed Power supply failure Corrupted BIOS module frmware reinstall frmware Corrupted OS image Flat panel display blank Defective cable from Main board to display Defective cable from Main board to backlighting display lamp Defective backlighting display lamp Faulty display Faulty COM E module Faulty COM E Interface board BIOS error messages Refer to the BIOS error message information Fault Isolation Procedure Use the troubleshooting tree for fault isolation See Figure 4 9 on page 4 47 4 46 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Turn on power Possible cause 1 Instrument power cord is not plugged in 2 Faulty power supply Instrument powers on fans run 3 See Isolating to a Board If Power Will Not Come Up Possible cause 1 SO DIMMs incorrectly installed or missing 2 Defective COM E board 3 Check beep codes Instrument appears dead dead screen Connect X
105. o this product 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 Personal Use proper power cord Use only the power cord specified for this product and Injury certified for the country of use Connect and disconnect properly Do not connect or disconnect probes or test leads while they are connected to a voltage source 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 The inputs are not rated for connection to mains or Category II III or IV circuits Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Power disconnect The power cord disconnects the product from the power source Do not block the power cord it must remain accessible to the user at all times Do not operate without covers Do not operate this product with covers or panels removed Do not operate with suspected failur
106. ol of the instrument both as a controller and as a slave device MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 2 7 Theory of Operation 2 8 Power System Fans The acquisition system analog power supplies are generated on this interface board from DC voltages supplied by the off line power supply unit The off line power supply is a switching power converter with active power factor control It auto detects the line voltage It supplies power to all of the circuitry in the instrument No switch completely disconnects the line power from the instrument The ON STBY switch controls the power to the instrument through the uATX board circuitry When in the power off condition there is still a low power standby circuit to allow the system to monitor the ON STBY switch For cooling the instrument fans draw air out of the instrument for a negatively pressured instrument The fans are controlled by an embedded processor on the acquisition board and are regulated by monitoring the temperature of the acquisition board circuitry Cooling air enters the instrument through specific locations on the covers where it flows directly over the heat sinks of each high wattage component 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Theory of Operation Touch screen XGA Display Backlight Inverter Display Adapter J2 TekLink Front Mount DVI
107. onnect bracket is from PCI backbone board to drive bay bracket The SATA cable and bracket attachto the drive bay chassis located onthe main chassis Figure 5 16 Drives DSA DPO70000B Series MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 5 31 Replaceable Parts MSO70000 C DSA DPO70000C Series Replaceable Parts MSO70000 C DSA DPO70000C Series Table 5 15 Replaceable parts External 1 MSO70000 C DSA DPO70000C Series Fig amp Tektronix index part Serial no Serial no number number effective discont d Qty Name amp description 5 17 EXTERNAL PARTS 1 016 1441 01 T ACCESSORY POUCH BLACK CORDURA 2 200 5119 00 1 COVER COSMETIC 3 211 0967 00 2 SCREW 6 32 0 25 PNH T 15 W FLAT WASHER STEEL ZINC FINISH 4 355 0298 00 1 STUD SNAP 0 570 DIA 0 165 THK STAINLESS STEEL 5 200 5060 00 1 COVER EMI TOP 0 211 1050 00 19 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 7 348 1859 00 4 FOOT REAR W CORD WRAP THERMOPLASTIC 7a 211 0721 00 4 SCREW MACHINE 6 32 X 0 375 PNH STEEL ZINC FINISH WITH NYLOC PATCH T 15 8 101 0173 01 1 TRIM ACQUISITION INSERT 5070000 101 0184 00 1 TRIM ACQUISITION INSERT MSO70000C DSA70000C DP 070000C 9 101 0171 00 1 TRIM RING 110 PC ABS 10 200 4963 00 1 COVER FRONT PC ABS ALLOY BAYBLEND 11 101 0174 00 1 TRIM D
108. ou use to maintain a hard disk drive in a personal computer Using ScanDisk you may be able to repair the disk without destroying data on the disk To use ScanDisk perform the following steps 1 Remove the hard disk drive from the instrument 2 Install the hard disk drive into a personal computer 3 Power on the computer and run ScanDisk Set ScanDisk to perform a thorough surface scan and to automatically fix errors Using Microsoft Windows select My Computer File Properties Tools Error checking Using Microsoft MSDOS enter SCANDISK drive SURFACE AUTOFIX 4 IfScanDisk cannot repair the disk format the hard disk drive using the File Utilities Format command Format will destroy all data currently on the disk 5 If reformatting the hard disk and reloading the software does not repair the disk install a new hard disk drive 4 58 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Replaceable Parts Replaceable Parts Overview This section contains a separate subsection for the 7000 series the 70000 series and the 5000 series products Use the lists in the appropriate section to identify and order replacement parts for your product Standard Accessories Standard accessories for these products are listed in your user manual The user manual is available at www tektronix com manuals Parts Ordering Information Module Servicing Replacement parts are available through your local Tektronix
109. path which acquires a digitized version of each of the channels and stores it in memory A digital WORD trigger path where the user can specify a trigger condition that will trigger the oscilloscope This trigger condition or word can consist of any boolean combination using AND NAND OR and NOR of the 16 digitally acquired channels In addition the Clk Q channel can be used to qualify the WORD trigger The word trigger pattern values are 0 1 and DON T CARE 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Theory of Operation For more information on using the WORD trigger please refer to the online help or user manual which were provided with your product You can also find the manual at www Tektronix com manuals by searching for your product Display Panel Waveforms and menus are displayed on a color active matrix LCD display with touch panel Display System Text and menu image information from the Windows system is merged with the waveform images and processed by the display circuitry The display system sends the combined graphical image to the active matrix LCD display Touch Panel The touch information from the touch screen is processed by a Windows driver actively placing the pointer at the touched location Actions from a mouse and actions from the touch panel are interchangeable and treated alike by the user interface software Front Panel Front panel push button and knob encod
110. processor that uses its own host interface which communicates with the command interface processor MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 2 1 Theory of Operation Display Panel Front Panel Board Interface Board 2 2 Waveforms and menus are displayed on a color active matrix LCD display with touch panel Display System Text and menu image information from the Windows system is merged with the waveform images and processed by the display circuitry The display system sends the combined graphical image to the active matrix LCD display Touch Panel The touch information from the touch screen is processed by a Windows driver actively placing the pointer at the touched location Actions from a mouse and actions from the touch panel are interchangeable and treated alike by the user interface software Front panel push button and knob encoder switches are read by an embedded micro controller which sends the button and knob change information to the Windows system over the Universal Serial Bus path ON STBY The ON STBY switch in the lower left corner of the instrument front is connected directly to uATX board which in turn controls the off line power supply system This allows Windows to control the power based on standard Windows operating behavior The uATX board provides standard Windows functionality and I O port interfaces on a side or rear panel This includes RS 232 Cent
111. ronics and Ethernet ports as well as four USB ports including a USB2 0 port placed in the lower right corner of the instrument front The uATX board receives input from the Front Panel and Touch Panel and implements the appropriate changes Video display data containing waveform and graphical menu information is transferred to the Windows system through the PCIe bus interface The hard drive is connected to the ATX board through the SATA interface while the CD DVD is connected to the Windows system through the IDE parallel interface The hard drive and CD provide access to stored waveform data and software to customize your instrument with your measurement needs This board coordinates the flow of data through the Windows PCI port from the various devices that communicate with the uATX system The devices include the display system GPIB TekLink and a direct DMA path to the acquisition system The GPIB permits external control of the instrument both as a controller and as a slave device The acquisition system analog power supplies are generated on this interface board from DC voltages supplied by the off line power supply unit 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Theory of Operation Power System off line power supply is a switching power converter with active power factor control It auto detects the line voltage It supplies power to all of the circuitry in the instrument No swit
112. rosoft Windows operating system skills Details of PC and Windows operation and service are not in this manual For assistance contact your local Tektronix Service Center This subsection contains information and procedures designed to help you isolate faulty modules in the instrument If a module needs to be replaced follow the Removal and Installation Procedures located in this section Use the following table to quickly isolate possible failures The table lists problems and possible causes The list is not exhaustive but it may help you eliminate a problem that is quick to fix such as a blown fuse or loose cable Table 4 6 Failure symptoms and possible causes Symptom Possible cause s Instrument will not power on Power cord not plugged in m Faulty power supply m Faulty power interconnect board 4 16 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 6 Failure symptoms and possible causes cont Symptom Possible cause s Front panel light comes on instrument a powers on but one or more fans will not operate Faulty fan cable Defective fan assembly Faulty power supply Faulty Motherboard Faulty CPU Motherboard power problem Hard disk drive related symptoms H Defective hard disk drive Incorrect hard disk type selected in the BIOS setup Replaceable hard disk
113. sales service and technical support 7 n North America call 1 800 833 9200 Worldwide visit www tektronix com to find contacts in your area Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If any such product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new performance replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment 1 to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or dam
114. semiconductor component in this instrument When performing any service that requires internal access to the instrument adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD 1 Minimize handling of static sensitive circuit boards and components 2 Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive boards 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these modules Service static sensitive modules only at a static free work station 4 Nothing capable of generating or holding a static charge should be allowed on the work station surface 5 Handle circuit boards by the edges when possible MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 1 Maintenance 6 Do not slide the circuit boards over any surface 7 Avoid handling circuit boards in areas that have a floor or work surface covering capable of generating a static charge Inspection and Cleaning General Care Interior Cleaning Exterior Cleaning 4 2 Inspection and Cleaning describes how to inspect for dirt and damage It also describes how to clean the exterior and interior of the instrument Inspection and cleaning are done as preventive maintenance Preventive maintenance when done regu
115. t from buttons and knobs and controls the status LEDs The Front panel board communicates to the Main board and to the host through an interface microcontroller on the Front panel board performs all of the I O functions The Front panel board interacts with and provides power for the probes through the VPI interface The Front panel board also generates probe calibration and compensation signals Power The power switch in the lower left corner of the instrument front is connected via a flex circuit to the Front panel board which in turn controls the off line power supply system This allows Windows to control the power based on standard Windows operating behavior COM E Interface Board COM E Interface board implements the PC I O functions such as USB PS 2 VGA and Audio This board also routes the PCIe interface to the Main board for the acquisition system The instrument hard drive connects directly to this board The Interface board takes bulk 12 volts power from the power supply and routes it to the Main board External VPI power is routed through this board as are the Ref In Aux Out and USB device ports The 5 volt and 3 3 volt local switching power supplies are located on this board A microcontroller controls power sequencing and power supply monitoring This microcontroller communicates to devices on the Main board through the IIC interface The COM E Interface board is a carrier board for a COM E module COM E Mod
116. t lines Reserved 3F Test 8259 2 Mask Bits 40 Verify 8259 Channel 2 masked interrupts by alternately turning off and on the interrupt lines Reserved 41 Reserved 42 MSO70000 C DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series 4 33 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx HATX POST codes cont Displayed POST Item no Module code Description 12 Test Stuck 8259 s 43 off interrupts then verify no interrupt mask register is on Interrupt Bits Test 8259 Interrupt Force an interrupt and verify the interrupt occurred Functionality Reserved 44 Reserved 45 Reserved 46 Set EISA Mode 4 If EISA non volatile memory checksum is good execute EISA initialization If not execute ISA tests and clear EISA mode fbg Reserved 48 Size Base and Extended 49 Size base memory from 256K to 640K and extended memory Memory above 1 MB Reserved 4A Reserved 4B Reserved 4C Reserved 4D TestBase and Extended 4E Test base memory from 256K to 640K and extended memory Memory above 1 MB using various patterns NOTE This testis skipped in EISA mode and can be skipped with ESC key in ISA mode Reserved 4F USB init 50 Initialize USB controller Reserved 51 Memory Test 52 Test all memory of memory above 1 MB using Virtual 8086 mode page mode and clear the memory Reserved 53 Reserved 54 CPU display 55 Dete
117. terface board as an assembly This procedure assumes the Acquisition board has been removed 1 Working from the top of the instrument unplug the cables connecting the and Power interface boards to other parts of the instrument Note where each cable connects Remove the screw securing the board to the chassis on the right side of the instrument near the TekLink connector Remove the eight screws securing the uATX board to the chassis through the back of the instrument Remove the three screws securing the uATX board to the chassis on the left side of the instrument Position the instrument on its back with the bottom facing you Remove the three screws securing the Power Interface assembly to the chassis along the top edge of the assembly Pull the LATX Power Interface assembly out of the instrument See Figure 4 3 It may take some force to pull it free Use a soldering aid to pry the assembly free of the connectors near the top corners of the assembly if necessary 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series uATX and Power Interface Removal DPO7000 Series Figure 4 3 Removing the Interface assembly 8 Install the LATX Power Interface assembly by performing these steps in reverse order MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 13 Module Removal MSO DPOS5000 Series Module Removal MSO DPO5000 Series To
118. th CMOS values Init onboard clock generator Identify the CPU 5D Check the CPU ID and init L1 L2 cache Setup Interrupt Vector 5E Initialize frst 120 interrupt vectors with SPURIOUS INT HDLR Table and INT 00h 1Fh according to INT TBL First step initialize if single CPU Onboard Re init KB If support HPM HPM get initialized here Test CMOS Interface 5F Verifes CMOS is working correctly and Battery status detects bad battery If failed load CMOS defaults and load into chipset Init 60 Final Initial KBC and setup BIOS data area Initialize Video Interface 61 Read CMOS location 14h to find out type of video in use Detect and Initialize Video Adapter MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 39 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx HATX POST codes cont Displayed POST Item no Module code Description 14 Video memory test 62 Test video memory write sign on message to screen Setup shadow RAM Enable shadow according to Setup Setup PS2 mouse and 63 Setup PS2 Mouse and reset KB Test DMA channel 0 test DMA Test 8259 64 Test 8259 channel 1 and mask IRQ 9 Init Boot Device 65 Detect if mouse is present initialize mouse install interrupt vectors Special treatment to PS2 Mouse port ACPI sub system initializing Initialize cache controller Install Boot Devices 66 Enter setup check and auto confguration c
119. ts Rear chassis and connecting modules MSO DPO5000 Series Figure and Serial Serial index Tektronix no no no part no effective discontd Qty Name and description 5 30 REAR CHASSIS POWER SUPPLY COM E BOARD 1 065 0859 00 1 CIRCUIT BOARD ASSEMBLY POWER SUPPLY 2 211 1272 00 24 SCREW MACHINE 6 32 x 0 250 P NH STL ZNPL T 15 TORX DRIVE ZI DISTRIBUTION OF THE 211 1272 00 SCREWS 4 screws attach the Power supply circuit board to the Power supply bracket 4 screws attach the Power supply assembly to the rear chassis 2 screws attach the line fiter to the rear chassis 2 screws attach the COM E Interface assembly to the rear chassis from the top of the assembly 4 screws attach the system fan 12 to the rear chassis 8 screws attach the COM E Interface assembly to the rear chassis from the outside of the instrument 3 407 5464 00 1 BRACKET POWER SUPPLY BOARD MOUNT 4 119 7683 00 1 FAN 12 V TACH OUT SAFETY CONTROLLED 5 211 1345 00 5 SCREW MACHINE PANHEAD M3 X 0 5 X 26MM PHILLIPS 6 878 0472 01 1 COM E INTERFACE BOARD ASSEMBLY 7 065 0851 00 1 HARD DISK DRIVE REPLACEABLE PROGRAMMED WITH BRACKET 8 220 1271 01 2 SPANNER NUT ASSEMBLY WITH WASHER ze _ SET 1 CHASSIS ASSEMBLY REAR Return the instrument to Tektronix for replacement 10 131 6417 00 1 CONTACT ELEC GROUNDING 0 600 L X 0 250 W X 0 220 D ELECTROLESS NICKEL PLATE 11 119 7086 00 1 FILTER EMI AC LINE C
120. tware USB CD ROM You can download the new firmware from www tektronix com software to a USB CD ROM and load it from there to your oscilloscope USB Flash Drive You can download the new firmware from www tektronix com software to a USB flash drive and load it from there to your oscilloscope If you want to contact your Tektronix service center see Contacting Tektronix on the back of the title page After removal and replacement of a module you must perform the Performance Verification procedure found in the instrument Specifications and Performance Verification manual which was provided with the instrument This manual is also available on the Tektronix Web site www tektronix com manuals If the instrument fails the Performance Verification tests it must be returned to Tektronix for adjustment MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 45 Troubleshooting MSO DPO5000 Series Service Level This section contains information and procedures designed to help you isolate faulty modules in the MSO5000 Series and DPO5000 Series instruments If a module needs to be replaced follow the instruction provided in this section See page 4 14 Module Removal MSO DPO5000 Series Check for Use the following table to quickly identify common problems such as a blown Problems fuse or loose cable Table 4 16 Failure symptoms and possible causes Symptom Possible cause s Instrume
121. ual for information on contacting Tektronix Service Support MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 3 1 Adjustment Procedures 3 2 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Maintenance Maintenance This section contains the information needed to perform periodic and corrective maintenance on the instrument The following subsections are included m Preventing ESD General information on preventing damage by electrostatic discharge B Inspection and Cleaning Information and procedures for inspecting the instrument and cleaning its external and internal modules Repackaging Instructions Information on returning an instrument for service m Removal and Installation Procedures Procedures for the removal of defective modules and replacement of new or repaired modules Also included is a procedure for disassembly of the instrument for cleaning m Troubleshooting Information for isolating and troubleshooting failed modules Included are instructions for operating the instrument diagnostic routines and troubleshooting trees Most of the trees make use of the internal diagnostic routines to speed fault isolation to a module Preventing ESD Before servicing this product read the General Safety Summary and the Service Safety Summary at the front of the manual as well as the following ESD information CAUTION Static discharge can damage any
122. ule This module implements the PC that is integrated into the instrument This module connects to the COM E Interface board The module contains the CPU Memory and Peripheral Controller Hubs such as PCH North Bridge and or South Bridge The module conforms to the COM E specification maintained by the PCMIG consortium with a Type 2 connector system The module is connected to the system through two board to board 220 pin mezzanine connectors The power PCle USB and video connect to the COM E Interface board through this connector A high performance heat sink cools the main heat generating devices on this board MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 2 11 Theory of Operation Power System Fans A 250 W power supply generates a switched 12 volt bulk supply as well as a 5 volt standby supply No switch completely disconnects the line power from the instrument The power switch controls the power to the instrument through the COM E board circuitry When the instrument is in the power off condition there is still a low power standby circuit to allow the system to monitor the power switch There are two instrument fans the system fan which is mounted on the rear chassis and a smaller fan which is mounted on the COM E module For cooling the system fan draws air into the instrument for a positively pressured instrument The system fan is controlled by an embedded processor on the Main board and is
123. ument Specifications and Performance Verification manual which was provided with the instrument This manual is also available on the Tektronix Web site www tektronix com manuals uATX BIOS Error Messages If the instrument fails the Performance Verification tests it must be returned to Tektronix for adjustment When the board powers on the BIOS runs power on self tests POST to check the board The BIOS writes error codes to location 80h and tries to write the codes to the display If the error is fatal the POST code indicates the last successful checkpoint reached The following table lists the error messages that are displayed by the BIOS Another table lists the POST codes displayed by the BIOS See Table 4 12 on page 4 31 Once the display 1s enabled errors are written to the display as text messages These messages are always displayed unless the board is configured for silent startup or headless operation no keyboard mouse or display Table 4 10 uATX BIOS error messages Item no Error message Description 1 GA20 Error Error when switching to protected mode during the memory test 2 Pri Master HDD Error Pri Slave HDD Error Sec Could not read sector Master HDD Error Sec Slave HDD Error 3 Pri Master Drive ATAPI Incompatible PRI Slave Drive not an ATAPI device Run setup and make Drive ATAPI Incompatible Sec Master Drive ATAPI sure the device is set up corre
124. upt vectors Mouse Reserved 64 PS2 Mouse special 65 Special treatment to PS2 Mouse port Reserved 66 ACPI Init 67 ACPI Sub system initializing Reserved 68 SetupCache Controller 69 Initialize cache controller Reserved 6A Setup Entering 6B Enter setup check and auto confguration check up Reserved 6C Initialize Floppy Drive 6D Initialize fbppy disk drive controller and any drives amp Controller Reserved 6E FDD install 6F Install FDD and set up BIOS data area parameters Reserved 70 Reserved 7 Reserved 72 Initialize Hard Drive amp 13 Initialize hard drive controller and any drives Controller Reserved 74 Install HDD 75 IDE device detection and install Reserved 16 Detect amp Initialize 77 Initialize any serial and parallel ports also game port Serial P arallel 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting MSO DPO5000 Series Table 4 20 BIOS POST codes ECM 945GM Series cont Displayed Module POST code Description Reserved 78 Reserved 79 Detect amp Initialize Math 7A Initialize math coprocessor Coprocessor Reserved 7B HDD Check for Write 1C HDD check out protection Reserved 7D Reserved POST error check TF Check POST error and display them and ask for user intervention Reserved 80 Reserved 81 Security Check 82 Ask password security optional Write CMOS 83 Write all CMOS values
125. ut type of video in use Detect and Initialize Video Adapter Test video memory write sign on message to screen Setup shadow RAM Enable shadow according to Setup 8259 Init 69 Init 8259 channel 1 and mask IRQ 9 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 37 Troubleshooting DPO7000 Series MSO70000 C Series DSA DPO70000B C Series Table 4 12 039 0185 xx HATX POST codes cont Displayed POST Item no Module code Description 13 Memory test 6A Quick Memory Test CPU Detect and IO init 6B Detect CPU speed and display CPU vendor specift version string and turn on all necessary CPU features Display PnP logo and PnP early init Setup virus protect according to Setup If required will auto load Awdfbsh exe in POST Initializing onboard super IO Reserved 6 Reserved 6D Reserved 6E Reserved 6F Setup Init 70 Display setup message and enable setup functions Detect if mouse is present initialize mouse install interrupt vectors Special treatment to PS2 Mouse port ACPI sub system initializing Setup Cache Controller 71 Initialize cache controller Install FDD 72 Enter setup check and auto confguration check up Initialize fbppy disk drive controller and any drives Install FDD and setup BIOS data area parameters Install HDD 13 Initialize hard drive controller and any drives IDE device detection and install Initialize any serial and parallel ports also ga
126. view Leere ox ien nn ii ET EE EE E E ERE EEEN rennet 5 1 Parts Ordering Information 0 cece cece ene eee seen 5 1 Using the Replaceable Parts List meme messe emere 5 2 Replaceable Parts DPO7000 me eme mese e re enn 5 3 Replaceable Parts DSA DPO70000B 5 16 Replaceable Parts MSO70000 C DSA DPO70000C 5 32 Replaceable Parts MSO DPOS5000 Series pp 5 54 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series List of Figures Figure 2 1 Block diagram DPO7000 Series pp 2 4 Figure 2 2 Block diagram DSA7 DSA70000B C 2 5 Figure 2 3 Block diagram MSO70000 C Series eee e men 2 9 Figure 2 4 Block diagram MSO DPO5000 Series ence eee e eens 2 13 Figure 4 1 DPO7000 Series module locations pp 4 8 Figure 4 2 Module locations DSA DPO70000B Series 4 10 Figure 4 3 Removing the LATX Power Interface assembly ppp 4 13 Figure 4 4 Module locations MSO DPO5000 4 15 Figure 4 5 Primary troubleshooting tree eme se seen 4 19 Figure 4 6 Location of power on and
127. work on the instrument place it face down in its protective front cover You can remove the tabs from the cover if you want to make it easy to move the instrument in and out of the cover while working on it To remove a module refer to the module locator See Figure 4 4 You can also refer to the exploded view diagrams and parts lists See page 5 54 Replaceable Parts MSO DPO5000 Series The parts lists show how many of each type of screw are used to attach each replaceable assembly Requirements when removing assemblies To remove any of the assemblies except the removable hard drive you must first remove the rear cover and separate the front chassis from the rear chassis To remove the COM E Interface board assembly which includes the COM E module you must first disconnect the bracket under the board from the rear chassis Screws attach this bracket from both the top and the bottom You should not need to separate the COM E module from the COM E Interface board however the module fan is replaceable The part numbers and attaching screws are shown in the replaceable parts list See Table 5 28 on page 5 58 To remove the Front Panel board assembly or the front panel case assembly you must first remove the Main board the Analog board and the front chassis NOTE Contact Tektronix if troubleshooting shows that you need to have either the Analog board or the Main board replaced The instrument must be returned to Tektronix
128. y at the display while the instrument is on and the fans are running Move the flashlight around and look at the screen from different angles to determine whether you can see any activity on the LCD If you see the expected display but it is not visible without the flashlight check for a problem with the backlight or associated circuitry or cables If there is a display on the external video port but not on the LCD check the power supply voltages If the voltages are okay but there is still no display on the LCD replace the display assembly LCD lamps and cable See Figure 4 9 on page 4 47 4 48 5070000 DSA70000B C DPO70000B C DPO7000 MSO5000 DPO5000 Series Troubleshooting MSO DPO5000 Series Diagnostic LEDs There are several LEDs in the MSO DPO5000 Series oscilloscopes Most of them can be viewed without removing the instrument covers After getting familiar with them you can peer through the cooling holes on the side of the instrument and determine much of the instrument status and operational health based on these LEDs Power Switch LED The front panel power switch LED has three conditions off amber and green m LED off indicates one of the following conditions AC power is not connected The main power supply has failed Front panel circuits that drive the LED have failed m LED amber indicates that the instrument 1s in standby state and ready to be turned on by pushing the power switch LED green
129. ze Base and 49 Size base memory from 256K to 640K and extended memory above 1 MB Extended Memory Reserved 4A Reserved 4B Reserved 4C Reserved 4D Test Base and 4E Test base memory from 256K to 640K and extended memory above 1 MB using Extended Memory various patterns NOTE This test is skipped in EISA mode and can be skipped with ESC key in ISA mode Reserved 4F USB init 50 Initialize USB controller Reserved 51 Memory Test 52 Test all memory of memory above 1 MB using Virtual 8086 mode page mode and Clear the memory Reserved 53 Reserved 54 CPU display 55 Detect CPU speed and display CPU vendor specift version string and turn on all necessary CPU features Reserved 56 MSO70000 C DSA70000B C DPO70000B C DPO7000 505000 DPO5000 Series 4 55 Troubleshooting MSO DPO5000 Series Table 4 20 BIOS POST codes ECM 945GM Series cont Displayed Module POST code Description PnP Init 5 Display PnP logo and PnP early init Reserved 58 Setup Virus Protect 59 Set up virus protect according to Setup Reserved 5A Awdfbsh Load 5B If required will auto load Awdfbsh exe in POST Reserved 5C Onboard 1 0 Init 5D Initializing onboard super IO Reserved 5E Reserved 5F Setup enable 60 Display setup message and enable setup functions Reserved 61 Reserved 62 Initialize amp Install 63 Detect if mouse is present initialize mouse install interr

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