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Chapter 8: Theory of Operation

Block-Level Theory

153

Motherboard

The motherboard provides all system control and interface functions for the oscilloscope.
It contains a CPU, ROM, and RAM; keyboard and mouse interfaces, serial and parallel
interfaces, CDROM, hard disk drive interface, and PCI (Peripheral Component
Interconnect) buses.

Display Board

The Display Board controls the flat- panel display monitor. It translates the video signals
from the motherboard’s on- board video system to the Low Voltage Differential Signal
(LVDS) signals that drive the FPD monitor. The display board also pr12 V to
the backlight inverter.

Probe Power and Control

The Probe Power and Control board provides filtered, regulated power to the front-
panel AutoProbe interface. It also provides serial communications capability, offset and
probe detection and identification circuitry. All of these are interfaced to the probe
through the conductive pads surrounding the BNC connectors. Using the facilities of
this board, the Autoprobe interface can supply power for active probes, notify the
oscilloscope operating system when a probe is connected or disconnected, identify the
probe type to the oscilloscope operating system for automatic configuration, and
communicate with the probe to support advanced probe functionality.

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Содержание Infiniium 8000 Series

Страница 1: ...Service Guide Publication Number D8064 97010 October 2015 Copyright Keysight Technologies 2005 2007 2011 2015 All Rights Reserved 8000 Series Infiniium Oscilloscopes...

Страница 2: ...Delayed sweep speeds from 1 ps div to main time base setting Intensified waveforms on main sweep window make it easy to see what will appear in delayed sweep window Acquisition and general controls st...

Страница 3: ...l Controls Horizontal Controls Marker and Quick Measurement Controls Vertical Controls Vertical Inputs Trigger Setup AutoProbe Interface Touchscreen Display USB 2 0 Port Digital Controls and Port MSO...

Страница 4: ...differ from this diagram LAN Port GPIB Interface Mouse and Keyboard Ports Video Output CD ROM Drive USB Ports Line In Line Out Microphone TTL Trig Out AC Power Input Aux Trig In Aux Out Parallel Prin...

Страница 5: ...brating and Adjusting covers calibration and adjustment procedures how to do them and how often they need to be done Chapter 5 Troubleshooting provides troubleshooting information Chapter 6 Replacing...

Страница 6: ...6...

Страница 7: ...8 Digital probe lead set 29 To tilt the oscilloscope upward for easier viewing 32 To turn on the oscilloscope 33 To turn off the oscilloscope 33 To verify basic oscilloscope operation 34 Installing ap...

Страница 8: ...input cable MSO models only 106 To remove and replace the backlight inverter board 107 To remove and replace the front panel assembly 108 To remove and replace the keyboard touch screen and flat panel...

Страница 9: ...1 Instruments covered by this service guide 11 Accessories supplied 13 Options available 15 Accessories available 14 Specifications characteristics 16 General Information...

Страница 10: ...logies Infiniium Oscilloscope Service Guide gives you general information about the oscilloscope The following topics are covered in this chapter Instruments covered by this guide Accessories Options...

Страница 11: ...wo parts The first part contains two letters and two numbers that signify the oscilloscope s county of origin and year date code A year date code of 05 indicates that the oscilloscope was manufactured...

Страница 12: ...d wide web and the instrument s model and serial numbers At the time this manual was published the following step brought you to the Infoline web page on www keysight com where you can check instrumen...

Страница 13: ...N 1150 7913 Stylus P N 1150 7997 Keyboard P N 1150 7809 User s Quick Start Guide Accessory Pouch P N 54810 68701 Front Panel Cover P N 54810 42201 Power cord see chapter 7 Replaceable Parts for availa...

Страница 14: ...ed Probe Head E2679A InfiniiMax Single Ended Solder in Probe Head E2695A InfiniiMax Differential SMA Probe Head 1144A 800 MHz Active Probe Requires 1142A power supply 1145A 750 MHz 2 Channel Low Mass...

Страница 15: ...ock Recovery 006 My Infiniium Integration Package 007 Low Speed Serial Data Analysis Software for I2C and SPI 008 CAN Serial Data Analysis Software 009 InfiniiScan Event Identification Software 017 40...

Страница 16: ...ature at which the last self calibration was performed N5402A CAN Serial Data Analysis Software N5415A InfiniiScan Event Identification Software E2690B Oscilloscope Tools for Advanced Jitter Analysis...

Страница 17: ...asurements performed on circuits not directly connected to MAINS Examples are measurements on circuits not derived from MAINS and specially protected internal MAINS derived circuits In the latter case...

Страница 18: ...Chapter 1 General Information Oscilloscope Dimensions 18 Oscilloscope Dimensions Figure 1 1 8000 Series Oscilloscope Dimensions...

Страница 19: ...probes 26 To connect the digital probe 28 Digital probe lead set 29 To tilt the oscilloscope upward for easier viewing 32 To turn on the oscilloscope 33 To turn off the oscilloscope 33 To verify basic...

Страница 20: ...t MSO models only Accessory Pouch Front Panel Cover Keyboard Power cord See page 139 User s Quick Start Guide If anything is missing contact your nearest Keysight Technologies Sales Office If the ship...

Страница 21: ...he 8000 Series Infiniium Oscilloscopes 10073C Probes User s Quick Start Guide Mouse Keyboard Digital Probe MSO models only Digital Clip Leads MSO models only Ground Lead MSO models only Touchscreen St...

Страница 22: ...t it is not difficult to unplug the power cord Figure 2 2 Positioning the Infiniium Oscilloscope with Sufficient Clearance 3 Connect the power cord to the rear of the oscilloscope then to a suitable A...

Страница 23: ...scope power supply automatically adjusts for line input voltages in the range 100 to 240 VAC Therefore you do not need to adjust an input line voltage setting The power cord provided is matched by Key...

Страница 24: ...scilloscope Figure 2 4 Back Panel Note Your instrument s rear panel configuration may differ from this diagram Connect the cables based on your instrument s configuration While you can operate many os...

Страница 25: ...nto place Figure 2 5 Attaching the Probe Connector 2 Connect the probe to the circuit of interest using the browser or other probing accessories 3 To disconnect the probe rotate the locking ring count...

Страница 26: ...scilloscope probes 1 Attach the probe connector to the desired oscilloscope channel or trigger input Push it straight on until it latches into place Figure 2 6 Attaching the Probe Connector 2 Connect...

Страница 27: ...oscilloscope without twisting it Figure 2 8 Disconnecting the Oscilloscope Probe CAUTION Do not attempt to twist the snap on probes on or off the oscilloscope s BNC connector Twisting the probe connec...

Страница 28: ...e 16 digital timing channels with the analog oscilloscope channels 1 Push the small connector end of the digital cable with the tab key facing left into the digital connector 2 Tighten both thumb scre...

Страница 29: ...nput voltage rating of 40 V peak CAT I Probe tip isolation network and equivalent load The probe tips of the probe lead set contain an isolation network which serves to minimize the loading effect of...

Страница 30: ...id For more information on digital probing solutions search for document number 5968 4632E on the Keysight Technologies web site at www keysight com This document is titled Probing Solutions for Logic...

Страница 31: ...Chapter 2 Preparing for Use Digital probe lead set 31 Data Sheets Demonstrations Catalogs...

Страница 32: ...rd for easier viewing 32 To tilt the oscilloscope upward for easier viewing 1 Lift up the front of the oscilloscope grasp the wire bail near the center and pull it down and forward until it latches in...

Страница 33: ...e is ready to use 2 Hook up all cables and accessories before applying power You can connect and disconnect probes while the oscilloscope is turned on To turn off the oscilloscope 1 Momentarily depres...

Страница 34: ...y while the oscilloscope is configured to its default settings 4 Press the Autoscale key on the front panel The display will pause momentarily while the oscilloscope adjusts the sweep speed and vertic...

Страница 35: ...eferences However there are some system settings that you should avoid changing because it will interfere with the proper operation of the oscilloscope Do not change the Power Options Do not change th...

Страница 36: ...o clean the oscilloscope Clean the oscilloscope with a soft cloth dampened with a mild soap and water solution CAUTION Do not use too much liquid in cleaning the oscilloscope Water can enter the Infin...

Страница 37: ...40 Procedure 40 To test input resistance 42 Procedure 42 To test time scale accuracy 59 Procedure 60 To test delta time measurement accuracy 61 Procedure 63 To test single cursor voltage measurement...

Страница 38: ...Knob Test or LED Test A message is displayed with the instruction to remove all inputs to the oscilloscope During execution of the self tests the oscilloscope displays diagnostic messages indicating...

Страница 39: ...n the limits of the test Specifications The specifications that apply to a particular test are given with the test procedure For complete specifications and characteristics see the oscilloscope s data...

Страница 40: ...ect the multimeter to the back panel Aux Out BNC Use the BNC cable and the BNC to banana plug adapter 2 Press Default Setup to set the oscilloscope to default conditions 3 Select Calibration from the...

Страница 41: ...g to four significant digits V1 __________ 7 Set the level to 2 400 V using the Level spin box or the numeric keypad dialog 8 The DVM should read near 2 400 V Record the reading V2 __________ 9 Subtra...

Страница 42: ...Input Resistance Equipment Setup 3 Connect the male end of the BNC tee to the channel 1 input of the oscilloscope 4 Press Default Setup to set the oscilloscope to default conditions 5 Press the Input...

Страница 43: ...curacy 1 25 of channel offset 2 of full scale 1 mV at full resolution scale Resolution 8 bits 0 4 of full scale without averaging or 12 bits 0 024 of full scale with 32 averages at full resolution sca...

Страница 44: ...edance using the Input key 4 Using the mouse enable the graphical interface 5 Select Acquisition from the Setup menu 6 Select Equivalent Time sampling mode Enable Averaging Set the of Averages to 32 u...

Страница 45: ...le in step 7 Set the Offset control to the offset value from the first row of the same table Select Close See Figure 3 6 Sensitivity Channel Vin Tolerance Limits Volts div Offset Supply Minimum Maximu...

Страница 46: ...d 15 On the same channel repeat steps 10 through 14 for the rest of the rows in the table 16 With the channel keys set the active channel OFF and the next ON A channel is ON if its key is illuminated...

Страница 47: ...5 0 dBm The signal on the oscilloscope screen should be about five cycles at six divisions amplitude 7 Select Vamptd from the Voltage submenu of the Measure menu 8 After the measurement settles when...

Страница 48: ...gns For example Result from step 14 1 19 dB Power meter reading 0 5 dB REL then true response 1 19 0 5 0 69 dB __________ __________ _________dB 16 The result from step 15 should be between 3 0 dB and...

Страница 49: ...te test results let the test equipment and the oscilloscope warm up at least 30 minutes before testing Equipment Required Test Threshold Accuracy only on the Mixed Signal Oscilloscopes MSOs This test...

Страница 50: ...using the other wire strip c Solder the center red conductor of the BNC breakout to one side of the header strip d Solder the outer black conductor of the BNC breakout to the other side of the header...

Страница 51: ...oscilloscope for test a Press the Default Setup button on the front panel b If the digital channels are not already displayed press the D15 0 button on the lower right corner of the front panel c Fro...

Страница 52: ...isplay area at the bottom of the LCD display Note The data in the left column shows the states of the digital inputs at the Cursor A position and the data in the right column shows the states of the d...

Страница 53: ...lose the Digital Setup dialog l Set the horizontal time scale Select the horizontal scale setting near the bottom of the display In the Enter Scale dialog enter either 200 or 500 and then select p For...

Страница 54: ...Manual in the Analog Memory Depth pane Set the number of points to 16 Note Minimizing acquisition memory depth allows the oscilloscope to display changing inputs more quickly and this reduces the cha...

Страница 55: ...shown in Table 1 and ensure that the display of all bits is enabled Ensure that the oscilloscope is in Run mode Ensure that the oscilloscope trigger system is properly configured If the oscilloscope...

Страница 56: ...threshold voltage within 5mV a Repeat the following steps until all displayed bits are logic 0 Reset V1 to the initial value shown in Table 1 Reduce V1 to V2 5mV and examine the logic display If all b...

Страница 57: ...rately set to the initial V1 setting and at least one bit is displayed as 1 then either the oscilloscope is out of calibration or it is malfunctioning If the oscilloscope has been powered on for at le...

Страница 58: ...rd the value displayed on the DMM in the Performance Test Record If at least one bit is still logic 0 reset V1 to the initial value shown in Table 3 Increase V1 to V2 10mV then examine the logic displ...

Страница 59: ...specification expressed by the following formula TSA 15 2 Years Since Manufacture ppm You can determine the year of manufacture from the oscilloscope s serial number See Year of Manufacture on page 11...

Страница 60: ...input impedance to 50 ohms 8 Set the measurement thresholds for all waveforms to a fixed voltage level of 0 V and 20 mV hysteresis 9 Enable a frequency measurement on channel 1 10 On the oscilloscope...

Страница 61: ...e wave acquired on a single scope channel DTMA depends heavily on whether the waveform is averaged and is expressed as both an absolute error peak and a standard deviation of multiple measurements rms...

Страница 62: ...racteristic impedance no substitute 3 5 mm m connectors Max Frequency 18 GHz Keysight 8120 4948 Adapters assorted 3 5 mm f to Precision BNC m 3 5 mm f to 3 5 mm f SMA f to BNC m Keysight 54855 67604 K...

Страница 63: ...voltage of the displayed channel 1 waveform equals 500 mV 5 mV Press Clear Display after each adjustment to clear accumulated averages 12 Turn off the peak to peak voltage measurement 13 Set the numb...

Страница 64: ...rement Accuracy Limits Results Averaged Mode DTMA Channel 1 Channel 2 Channel 3 Channel 4 Maximum ps 3326 2 ___________ ___________ ___________ ___________ Minimum ps 3318 3 ___________ ___________ __...

Страница 65: ...__________ 10 mV 70 mV 66 0 mV to 74 0 mV ___________ ___________ ___________ ___________ 5 mV 35 mV 32 5 mV to 37 5 mV ___________ ___________ ___________ ___________ Bandwidth Down from reference Ch...

Страница 66: ...Chapter 3 Testing Performance Performance Test Record 66...

Страница 67: ...4 Self Calibration Interval 68 Calibration Procedures 68 To run the self calibration 69 Calibrating and Adjusting...

Страница 68: ...e hard drive or any other assembly when the delta temperature is more than 5 C different than the last calibration or after performing incoming performance verification and before performing outgoing...

Страница 69: ...nt Critical Specifications Recommended Model Part Adapters 2 BNC f to BNC m right angle Keysight 1250 0076 Cable BNC 50 Keysight 8120 1839 Let the Oscilloscope Warm Up Before Running the Self Calibrat...

Страница 70: ...ope then to connect Aux Out to each channel and the auxiliary trigger in turn After you complete each cable change select OK in the dialog box to continue the calibration The oscilloscope displays a P...

Страница 71: ...lation 76 No Display Trouble Isolation 79 Power Supply Trouble Isolation 83 To check probe power outputs 85 To Check the keyboard 86 To check the LEDs 87 To check the motherboard CPU and RAM 88 To che...

Страница 72: ...lades Tools Required You will need basic electronic troubleshooting tools including a digital multimeter and a 100 MHz or faster oscilloscope See Chapter 6 Replacing Assemblies if you need to remove a...

Страница 73: ...e oscilloscope setup procedure Use the default setup when a procedure requires it Press the Default Setup key to set the oscilloscope to the default state To install the fan safety shield 1 Disconnect...

Страница 74: ...chart contains the entire troubleshooting path from a failed oscilloscope to a working one and will direct you in an orderly manner through the possible failure symptoms Reference letters on the flowc...

Страница 75: ...ys test OK System works do performance tests End Go to No Display Debug Go to Keyboard Troubleshooting Does LED test OK Check Self Calibration Does self calibration test pass Go to Acquisition Trouble...

Страница 76: ...your troubleshooting path A Perform power up 1 Power on the oscilloscope A short time after the oscilloscope is turned on the oscilloscope graticule is displayed on the screen The screen should look...

Страница 77: ...the Self Test drop down list box then select Start A new window appears with a symbolic representation of the keyboard See See Figure 5 3 Figure 5 3 Knob and Key Self Test Screen 3 Push each key on th...

Страница 78: ...rify that the corresponding LEDs on the front panel are the only ones illuminated 5 When you are finished select Close If any of the LEDS do not work see To check the LEDs on page 87 6 If both tests p...

Страница 79: ...round the fan Use extreme caution in working with the oscilloscope when the cover is removed Install the fan safety shield Keysight Technologies P N 54810 00601 on the side of the chassis over the fan...

Страница 80: ...nal monitor cycle power and check power up sequence Power up displayed on ext monitor Replace Display Board Go to Primary Trouble Isolation Go to Power Supply Trouble Isolation Go to To check the back...

Страница 81: ...voltage is approximately 1 kV before the backlight tube is illuminated A red LED on the backlight inverter board illuminates when the output voltage is present When the backlight goes off when the os...

Страница 82: ...e signals Even numbered pins are closest to the PC board If the signals are not present suspect the display card If the signals are present and the backlights are on suspect the flat panel display as...

Страница 83: ...rce of the fault A Check the power supply voltages The power supply voltages are checked on the acquisition board A13 See See Figure 5 7 for the location of these test points Table 5 8 shows the allow...

Страница 84: ...er supply will not power up correctly replace the power supply See Chapter 6 Replacing Assemblies for an explanation of how to remove and replace the power supply 2 Re assemble the oscilloscope and ap...

Страница 85: ...W17 Use the table and figure to the right to check the power output at the connectors The 12 V and 12 V supplies come directly from the power supply and the 3 V and 3 V supplies are developed in thre...

Страница 86: ...INATION CAN CAUSE INTERMITTENT OPERATION Be careful not to contaminate the key side of the PC board or the keypads Dust and fingerprints on these parts may cause intermittent key operation 5 Set the c...

Страница 87: ...e board A21 acquisition cable W3 or acquisition board A1 Try troubleshooting the acquisition system first to verify correct behavior before replacing any assemblies If the voltages are correct but the...

Страница 88: ...GA monitor to the video output connector on the rear panel 3 Hold down the Tab key on the external keyboard then press the power button on the oscilloscope 4 Verify that a message showing the Main Pro...

Страница 89: ...Chapter 5 Troubleshooting To check the motherboard CPU and RAM 89 Figure 5 10 Intel D915GUX Motherboard To Reset short pins 5 and 7...

Страница 90: ...Chapter 5 Troubleshooting To check the motherboard CPU and RAM 90 Figure 5 11 ADLINK M 880 Motherboard CN29 CN10 CN9 To Reset short pins 11 and 12...

Страница 91: ...the external keyboard to the rear panel 3 Press the delete key when you see the following prompt on the bottom of the screen Press TAB to Show POST screen DEL to enter SETUP F12 to select boot device...

Страница 92: ...quisition system 1 Select Self Test from the Utilities menu 2 Select Start Self Test to run the test At the end of the self test the diagnostics box will show the results of each of the major group te...

Страница 93: ...ss Yes Does acquisition interface test group pass Does misc scope test group pass Yes Yes Replace acquisition board Replace the interface board A10 If that does not work replace the display board Does...

Страница 94: ...Help menu A dialog box appears showing the current version number for the oscilloscope software and built in information system software This information may be useful when contacting Keysight Techno...

Страница 95: ...107 To remove and replace the front panel assembly 108 To remove and replace the keyboard touch screen and flat panel display assemblies 113 To remove and replace the acquisition board assembly 116 T...

Страница 96: ...p when working on the oscilloscope CAUTION AVOID DAMAGE TO THE OSCILLOSCOPE Failure to implement proper antistatic measures may result in damage to the oscilloscope Tools Required The following tools...

Страница 97: ...escription of the failure indications or service required 2 Remove all accessories from the oscilloscope Accessories include all cables Do not include accessories unless they are associated with the f...

Страница 98: ...the side handle 5 Remove the four Torx T20 screws that secure the rear feet two in each foot 6 Remove the four Torx T20 screws that secure the top sleeve and the bottom sleeve to the chassis 7 Place t...

Страница 99: ...Disconnect the power cable 2 Disconnect all oscilloscope probes and BNC input cables from the front panel 3 Disconnect any other cables such as mouse keyboard printer or GPIB cables 4 Place the unit...

Страница 100: ...e bottom sleeve up and out Be careful to not catch the feet on the chassis Figure 6 3 Removing bottom sleeve 10 To replace the bottom sleeve reverse the above procedure Be sure to keep ribbon cables o...

Страница 101: ...mall flat blade screwdriver Do not force the retainer it should remain attached to the body of the socket 2 Gently pull the flex cable out of the connector Figure 6 4 Disconnecting a Mylar flex cable...

Страница 102: ...it may look different 1 Disconnect the power cable from the instrument and remove the top sleeve 2 Remove the following cables SATA Cable CD ROM Power cable 3 Using a Torx T10 driver remove the three...

Страница 103: ...e three Torx T6 screws to 1 5 in lb 7 Using a Torx T10 driver remove the two screws securing the CD ROM adapter board to the support bracket When re assembling torque the two Torx T6 screws to 1 5 in...

Страница 104: ...bottom sleeves 2 Remove the AutoProbe connector assembly the subpanel and the probe connector assembly that fits around the front panel BNC connectors by doing the following a Disconnect the mylar ri...

Страница 105: ...BBON CABLE AND FACEPLATE Do not pry around the edge of the assembly Doing so may damage the ribbon cable or faceplate d Finish removing the AutoProbe assembly by feeding the mylar ribbon cable through...

Страница 106: ...2 Remove the AutoProbe board assembly from the front frame see page 104 3 Use a small screwdriver to remove the spring clip from the internal digital cable connector then disconnect the cable from the...

Страница 107: ...ltages from 300 1 kV acrms DO NOT handle this assembly while it is in operation 1 Disconnect the power cable and remove the top and bottom covers 2 Disconnect the two backlight cables from the top of...

Страница 108: ...this chapter are representative of the oscilloscope at the time of this printing Your unit may look different 1 Disconnect the power cable and remove top and bottom covers 2 Remove the AutoProbe assem...

Страница 109: ...sembly 109 5 Disconnect the backlight primary cable from the inverter board 6 Disconnect the cal cable from J14 on the acquisition board Figure 6 14 Removing backlight primary cable and cal cable Back...

Страница 110: ...splay driver cable and keyboard ribbon cable 8 Disconnect the 2 USB cables from the motherboard Figure 6 15 Disconnecting the display driver cable keyboard cable and USB cables Backlight inverter cabl...

Страница 111: ...assembly away from the chassis being careful to feed the keyboard ribbon cable and display driver cable out through the slot in the front of the chassis and not to damage the backlight inverter board...

Страница 112: ...Chapter 6 Replacing Assemblies To remove and replace the front panel assembly 112 Figure 6 17 Connecting the USB cables to the motherboard Front panel USB connector Touch screen USB connector...

Страница 113: ...2 Remove the front panel assembly from the chassis see page 108 3 Remove the ten Torx T10 screws that secure the front panel cover plate to the front casting Figure 6 18 Front panel cover plate screws...

Страница 114: ...6 19 Removing the keyboard 6 To remove the touch screen assembly from the front panel cover plate remove the six T8 Torx fasteners 7 To remove the flat panel display assembly remove the backlight inv...

Страница 115: ...NT GLASS BREAKAGE Use care when handling the touch screen and the flat panel display to prevent glass breakage Inspect the inside surfaces of the touch screen and the flat panel display closely for du...

Страница 116: ...connect the following cables from the inside edge of the Acquisition assembly Power supply sense cable Probe control cable Power harness cable Line sync cable Acquisition cable Internal digital cable...

Страница 117: ...refer to other removal procedures The graphics in this chapter are representative of the oscilloscope at the time of this printing Your unit may look different 1 Disconnect the power cable and remove...

Страница 118: ...rear of the chassis 5 Pull the board up to disengage it from the motherboard then lift it up and out of the chassis 6 To replace the board reverse the removal procedure Figure 6 24 Removing the PC in...

Страница 119: ...isconnect these cables from the display board Backlight primary cable Flat panel display driver cable 3 Remove the Torx T10 screw that secures the display board to the chassis Figure 6 25 Removing the...

Страница 120: ...and remove the top sleeve 2 Remove the CD ROM and hard drive cables from the cable clamps Figure 6 26 Removing cables from cable clamps 3 Remove the two Torx T20 screws holding the shock mount in plac...

Страница 121: ...Removing the hard disk drive 6 To replace the hard disk drive reverse the above procedure CAUTION DO NOT OVER TIGHTEN THE SCREWS Do not overtighten the Torx T10 screws that secure the Hard Disk Drive...

Страница 122: ...in this chapter are representative of the oscilloscope at the time of this printing Your unit may look different 1 Disconnect the power cable and remove the top cover 2 Remove the CD ROM drive see pa...

Страница 123: ...emblies To remove and replace the motherboard 123 9 To replace the motherboard assembly reverse the above procedure 10 Run the self test to verify the oscilloscope is operating properly See Self Test...

Страница 124: ...sconnect all cables from the motherboard 5 Remove the six 5 mm port lock screws from the rear panel connectors 6 Remove the 5 short and 3 long Torx T10 screws holding the motherboard to the ATX tray F...

Страница 125: ...ront panel See See Figure 6 13 on page 108 13 Remove the four Torx T15 screws that secure the chassis sides to the front panel assembly Figure 6 30 14 Remove the ten Torx T10 screws that secure the fr...

Страница 126: ...plate over and remove the Touch Screen cable D8104 61604 and replace with D8104 61609 Route new cable though the hole Secure with tape 16 Turn front panel cover plate back over and re assemble When re...

Страница 127: ...ont Panel with four Torx T15 screws that secure the chassis sides to the front panel assembly Torque the screws to 18 in lb 21 Using a 9 16 nut driver install the five hex nuts that secure the BNC con...

Страница 128: ...erboard to the deck 26 Using the new Heat Sink and Fan Assembly attach the fan to the Motherboard and Deck Connect the fan power cable to the fan CPU fan jack Torque fan screws to 5 in lb Note Do not...

Страница 129: ...ing the motherboard assembly to the frame chassis 29 Re install eight short T20 screws in rear panel attaching deck to the frame chassis Torque to 8 in lb 30 Re install three short T10 screws and fill...

Страница 130: ...04 94302 provided in the kit 34 Reconnect all other cables to their respective connectors 35 Install all ISA slot filler plates 36 Reinstall the hard drive according to the procedure that begins on pa...

Страница 131: ...RNING SHOCK HAZARD If the power supply is defective it could have a dangerous charge on some capacitors This charge could remain for many days after removing power from the supply 1 Disconnect the pow...

Страница 132: ...sconnect the following cables from the top side of the frame Figure 6 32 Disconnecting cables from the top side of the frame Backlight inverter cable Touch screen USB cable Keyboard ribbon cable Flat...

Страница 133: ...crews at both ends of the power supply bracket that secure the bracket to the frame These screws are part of the power supply bracket and can not be removed from the bracket 9 Remove the power supply...

Страница 134: ...f this printing Your unit may look different 1 Disconnect the power cable and remove the bottom cover 2 Disconnect the following cables from the fan control board Two fan power cables Sense cable Powe...

Страница 135: ...this procedure to remove and replace the fans When necessary refer to other removal procedures 1 Disconnect the power cable and remove the top and bottom covers 2 Disconnect the fan cable from the fa...

Страница 136: ...and connect Mylar flex cables on page 101 3 Disconnect the mylar flex cable from the probe power and control assembly 4 Remove the two Torx T10 screws securing the probe power and control assembly to...

Страница 137: ...Ordering Replaceable Parts 138 Listed Parts 138 Unlisted Parts 138 Direct Mail Order System 138 Exchange Assemblies 138 Power Cords 139 Exploded Views 140 Replaceable Parts List 145 Replaceable Parts...

Страница 138: ...Keysight Technologies Sales Office when the orders require billing and invoicing Prepaid transportation There is a small handling charge for each order No invoices In order for Keysight Technologies...

Страница 139: ...wer Cords Plug Type Cable Part Number Plug Type Cable Part Number Opt 900 U K 8121 1579 Opt 918 Japan 8121 1603 Opt 901 Australia 8121 1581 Opt 919 Israel 8121 1662 Opt 902 Europe 8121 1580 Opt 920 Ar...

Страница 140: ...Chapter 7 Replaceable Parts Exploded Views 140 Exploded Views Front Frame and Front Panel...

Страница 141: ...Chapter 7 Replaceable Parts Exploded Views 141 Fan and Acquisition Assembly...

Страница 142: ...Chapter 7 Replaceable Parts Exploded Views 142 Power Supply and PC Motherboard Without Option 017...

Страница 143: ...Chapter 7 Replaceable Parts Exploded Views 143 Power Supply and PC Motherboard With Option 017...

Страница 144: ...Chapter 7 Replaceable Parts Exploded Views 144 Sleeve and Accessory Pouch...

Страница 145: ...64A A1 54832 66523 1 4 CH ACQUISITION ASSEMBLY DSO8104A A1 54831 66524 1 4 CH ACQUISITION ASSEMBLY MSO8064A A1 54832 66524 1 4 CH ACQUISITION ASSEMBLY MSO8104A External Chassis Parts MP13 54801 47403...

Страница 146: ...VABLE DRIVE DSO MSO8000A with Intel motherboard Part number D81004 68701 DSO MSO8000A with ADLINK motherboard Part number D81004 68702 5483xA D 5485xA Part number 54855 68704 Replace A19 motherboard w...

Страница 147: ...0515 1940 4 SCREW MACH M2 5 X 0 45 6 MM LONG T8 LOCK MP1 0624 1066 24 FAN SCREWS MP2 D8064 04105 1 SLEEVE BOTTOM MP3 D8064 60101 1 CHASSIS ASSEMBLY MP4 D8104 60103 1 MOTHERBOARD TRAY MP5 54857 01211 1...

Страница 148: ...03 2 SERIAL ATA CABLE NOT ON OPTION 017 W14 54810 61615 1 HARD DRIVE GROUND CABLE NOT ON OPTION 017 W17 54810 61604 1 PROBE POWER CABLE W19 54855 61606 1 FAN CABLE W20 54801 61626 1 KEYBOARD INTERCONN...

Страница 149: ...Acquisition System 152 Front Panel 152 Disk Drives 152 Attenuators 152 Motherboard 153 Display Board 153 Probe Power and Control 153 Attenuator Theory 155 Acquisition Theory 155 Acquisition Board 155...

Страница 150: ...Chapter 8 Theory of Operation 150 Figure 8 1 Oscilloscope Block Diagram...

Страница 151: ...rol and graphical user interface Front panel USB port BNC connectors for channel input signals AutoProbe interface for probe power and probe control A connection for probe compensation The rear panel...

Страница 152: ...de the appropriate impedance matching and all the attenuation and gain selection for each input channel The attenuators are part of the acquisition board Front Panel The front panel is read and contro...

Страница 153: ...monitor The display board also provides 12 V to the backlight inverter Probe Power and Control The Probe Power and Control board provides filtered regulated power to the front panel AutoProbe interfac...

Страница 154: ...anel AUX IN AUX OUT TTL OUT Scope Front Panel Probe Comp CH 1 CH 2 CH 3 CH 4 CH 1 CH 2 CH 3 CH 4 ATrig Hold Off Data Clock Zeum Data Deceleration Processing LSI Logic ASIC Acquisition Memory 8 8Mbit S...

Страница 155: ...s from the channel attenuators The four channels are identical The trigger signals synchronize acquisition through the trigger and time base circuitry A reference oscillator and the time base provide...

Страница 156: ...the interpolator indicates the stretch is complete the counter is stopped The count represents with high accuracy the time between the trigger and the first sample clock The count is stored and used t...

Страница 157: ...ds and 1 chassis ground Acquisition Board Interface The interface to the acquisition board consists of 16 data lines 10 address lines a R W line and read and write strobes A second read strobe is used...

Страница 158: ...158...

Страница 159: ...oftware 35 instrument controller 24 instrument options 15 L LAN card 24 M manuals 20 21 measurements 18 motherboard 88 ADLINK 90 Intel 89 mouse 24 verifying operation 34 O operation verifying 34 optio...

Страница 160: ...160 Index...

Страница 161: ...hat the ground protection is impaired you must make the instrument inoper ative and secure it against any unintended operation Service instructions are for trained service personnel To avoid dangerous...

Страница 162: ...hni cal data Document Warranty The material contained in this document is provided as is and is subject to being changed without notice in future editions Further to the maximum extent permitted by ap...

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