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Chapter 6: Replacing Assemblies

To remove and replace the backlight inverter board

6–14

To remove and replace the backlight inverter board

Use this procedure to remove and replace the backlight inverter board. When necessary, refer
to other removal procedures.

Figure 6-12

Backlight Inverter Board

W A R N I N G

SHOCK HAZARD!
The backlight inverter assembly, which is mounted at the front corner of the oscilloscope near
the flat-panel display, operates at high voltages from 300-1 kV ac

rms

. DO NOT handle this

assembly while it is in operation.

Disconnect the power cable and remove the top and bottom covers.

Disconnect the two backlight cables from the top and bottom of the backlight inverter
board.

You can either stand the chassis on end or turn it over to gain access to both cables.

Disconnect the backlight primary cable W21 from the side of the backlight inverter
board.

Using a long T10 driver, remove the two Torx T10 screws that secure the backlight
inverter board to the chassis.

Содержание 54830 Series

Страница 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Страница 3: ...fy complex measurement setups Horizontalcontrolssetsweepspeedandposition Main sweep speeds from 200 ps div to 20 s div 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 start and stop the oscilloscope and do basic setup Run and stop controls for contin...

Страница 4: ...f DSO Models Floppy Disk Drive Power Acquisition and general controls Horizontal controls Display and Graphical Interface Marker and Quick Measurements Vertical Controls Vertical Inputs Trigger Setup AutoProbe Interface ...

Страница 5: ...els Floppy Disk Drive Power Acquisition and general controls Horizontal controls Display and Graphical Interface Marker and Quick Measurements Vertical Controls Vertical Inputs Trigger Setup AutoProbe Interface Digital Control ...

Страница 6: ...eries oscilloscope GPIB Interface Mouse and Keyboard Interface Display Interface CD ROM drive Rear foot LAN and USB Ports Sound In Sound Out Microphone TTL Out AC Power Input Aux In Aux Out Parallel Printer Port RS232COM Port ...

Страница 7: ...vers calibration and adjustment procedures how to do them and how often they need to be done Chapter 5 provides troubleshooting information Chapter 6 gives the procedures and techniques for replacing assemblies and other parts Chapter 7 includes a list of exchange assemblies and other replaceable parts part ordering information and shipping information Chapter 8 briefly covers the internal operati...

Страница 8: ...n on the oscilloscope 2 16 To turn off the oscilloscope 2 17 To verify basic oscilloscope operation 2 18 Installing application programs on Infiniium 2 19 Changing Windows System Settings 2 20 To clean the oscilloscope 2 21 3 Testing Performance To test the dc calibrator 3 4 To test input resistance 3 6 To test voltage measurement accuracy 3 7 To test offset accuracy 3 11 To test bandwidth 3 13 To...

Страница 9: ... 6 13 To remove and replace the backlight inverter board 6 14 To remove and replace the front panel assembly 6 15 To remove and replace the keyboard and flat panel display assemblies 6 19 To remove and replace the acquisition board assembly 6 22 To remove and replace the interface and GPIB board 6 24 To remove and replace the oscilloscope graphics board and display board 6 25 To remove and replace...

Страница 10: ...ts 1 3 Accessories supplied 1 5 Options available 1 6 Accessories available 1 7 Specifications characteristics 1 8 Agilent Technologies 54830 Series general characteristics 1 15 Recommended test equipment 1 17 General Information ...

Страница 11: ...e Agilent Technologies Infiniium Oscilloscope Service Guide gives you general information about the oscilloscope The following topics are covered in this chapter Oscilloscope identification Options Accessories Specifications and characteristics ...

Страница 12: ...revised as needed If you have an oscilloscope with a newer serial number please refer to the Agilent Technologies website and download a newer manual edition in Adobe Acrobat pdf format The Agilent Technologies URL is www agilent com It will be necessary to search on akey word suchas InfiniiumService Guide and follow the links For additional information on configuration differences see the followi...

Страница 13: ...te in 4 channel mode 600 MHz bandwidth Agilent 54831D Four channel digitizing oscilloscope with 4 GSa s sample rate in 2 channel mode 2 GSa s sample rate in 4 channel mode 600 MHz bandwidth 16 digital channels Agilent 54832B Four channel digitizing oscilloscope with 4 GSa s sample rate in 2 channel mode 2 GSa s sample rate in 4 channel mode 1 GHz bandwidth Agilent 54832D Four channel digitizing os...

Страница 14: ...N 1150 7809 User s Quick Start Guide Accessory Pouch P N 54810 68701 Power cord see chapter 7 Replaceable Parts for available power cords MSO series oscilloscope accessories supplied Probe Kit P N 54826 68701 Other accessories supplied 54830B D 2 Agilent 1165 A 10 1 10 MΩ passive probes 54831B D 4 Agilent 1165 A 10 1 10 MΩ passive probes ...

Страница 15: ...nt 1165 A Passive Probes 007 Add 1 Agilent Wedge Kit 008 Add 1 Agilent 1153A 200 MHz differential probe 011 Add 1 Agilent 1155A dual channel 750 MHz active probe 012 Add 1 Agilent 1156A 1 5 GHz active probe 016 Add 1 Easy Probe Positioner 019 Add 1 1130A 1 5 GHz InfiniiMax differential probe Memory Options 040 Increase acquisition memory to 8 M on half channel and 4 M on all channels 080 Increase ...

Страница 16: ... 1155A 750 MHz 2 Channel Low Mass Active Probe Agilent 1165A Standard probe Agilent 1162A 1 1 Passive Probe Agilent 1163A 10 1 500 Ω low C Passive Probe Agilent 1171A 500 MHz Low Mass miniature 10 1 10 MΩ Passive Probe Agilent 1173A 500 MHz Low Mass miniature 20 1 10 MΩ Passive Probe Agilent 10240B BNC Blocking Capacitor Agilent 10833A GPIB cable 1 m Agilent 10833B GPIB cable 2 m Agilent 10833C GP...

Страница 17: ...y Depth Standard for B D models Full Channel Mode 2 M points Half Channel Mode 4 M points Standard for A models Full Channel Mode 250 k points Half Channel Mode 500 k points With Option 040 Full Channel Mode 500 k points Half Channel Mode 1 M points With Option 080 Full Channel Mode 8 M points Half Channel Mode 16 M points Sampling Modes Real Time Normal Successive single shot acquisitions Peak De...

Страница 18: ...50Ω 600 MHz Agilent 54830 31B D 50Ω 1 GHz Agilent 54832B D 54833A D 1 MΩ 500 MHz with Agilent 1165A probe Rise Time1 50Ω 583 ps Agilent 54830 31B D 50Ω 350 ps Agilent 54832B D E54833A D 1 MΩ 700 ps Sensitivity2 1 MΩ Coupling 1 mV div to 5 V div 50 Ω Coupling 1 mV div to 1 V div Resolution 8 bits 0 4 of full scale Input Impedance 1 MΩ 1 13 pf or 50 Ω 1 5 Input Coupling 1 MΩ AC DC 50Ω DC Maximum Inp...

Страница 19: ...D 500 ps div to 20 s div 200 ps div to 20 s div Horizontal Position Range 0 to 200s Delayed Sweep Range 1 ps div to current main time base setting Resolution 4 ps Timebase Accuracy 15 ppm 0 0015 Jitter rms 8 ps 0 05ppm x Delay Time Sensitivity 2 Internal normal For vertical ranges 5 mV div dc to 500 MHz 0 6 div 500 MHz to 1 GHz 50 Ω 1 5 div External 54830B D 54833A D dc to 100 MHz 0 05x signal ran...

Страница 20: ...alling edge on any one selected input will generate the trigger Video Triggering 525 lines 60 Hz NTSC 625 lines 50 Hz PAL Trigger on any line of Field 1 or Field2 Userdefinedtriggering Usercan specify sync pulse level width and polarity edge number Violation Trigger Setup Hold Modes Setup Hold or Setup and Hold Select Clock Thresholds setup and or hold time Pulse Width Triggers on pulse width t or...

Страница 21: ...ed by an edge After the delay a rising falling edge on any one selected input will generate the trigger Pulse Width Triggers on pulse Width t or Width t Triggers on pulse as narrow as 2 5 ns Display 8 4 inch diagonal color active matrix LCD module incorporating amorphous silicon TFTs Bus mode for D models Annotation Up to 12 annotations with up to 100 characters each can be inserted in the wavefor...

Страница 22: ...n Measurement Toolbar 16 Drag and Drop automatic measurement icons QuickMeas Activates 4 preselected automatic measurements Markers Modes Manual Markers Track Waveform Data Track Measurements Waveform Math 4 function waveforms f1 f4 Select from Add Subtract Multiply Divide Invert Magnify Vs Min Max Integral Differentiate FFT Magnitude Frequency Range5 2 channel mode 4 channel mode dc to 2 GHz Samp...

Страница 23: ...nvolatile waveform reference memories LAN RJ 45 connector supports 10 Base T and 100 Base T GPIB port Fully programmable complies with IEEE 488 2 RS 232 serial Mouse or Printer port COM1 Centronics Parallel printer port USB 2 Can be used for USB peripherals and pointing device PS 2 ports 2 Mouse and Keyboard ports TTL Output TTL compatible trigger output Video Output 15 pin VGA full color 1 Rise T...

Страница 24: ... Up to 90 relative humidity at 65 C Altitude Operating Up to 4 600 meters Nonoperating Up to 15 300 meters Vibration Operating Random vibration 5 500 Hz 10 minutes per axis 0 3g rms Nonoperating Random vibration 5 500 Hz 10 minutes per axis 2 41g rms Resonant search 5 500 Hz swept sine 1 octave minute sweep rate 0 75g 5 minute resonant dwell at 4 resonances per axis Physical Size excluding handle ...

Страница 25: ...Chapter 1 General Information Agilent Technologies 54830 Series general characteristics 1 16 Figure 1 1 54830 Series Oscilloscope Dimensions ...

Страница 26: ...purpose Agilent 54622A P T Blocking Capacitor 0 18 µF Agilent 10240B P Cable BNC 61 cm Agilent 8120 1839 P T Cable Type N m m 3 foot Agilent 11500B P Cable 2 BNC 3 foot Agilent 10503A P A T Adapter N m to BNC m Agilent 1250 0082 P Adapter N m to BNC f Agilent 1250 0780 P Adapter N f to BNC m Agilent 1250 0077 A Adapter 2 BNC tee m f f Agilent 1250 0781 P T Adapter BNC f f Agilent 1250 0080 T Adapt...

Страница 27: ...1 18 ...

Страница 28: ...0 To connect the digital probe 2 12 Digital probe lead set 2 13 To tilt the oscilloscope upward for easier viewing 2 15 To turn on the oscilloscope 2 16 To turn off the oscilloscope 2 17 To verify basic oscilloscope operation 2 18 Installing application programs on Infiniium 2 19 Changing Windows System Settings 2 20 To clean the oscilloscope 2 21 Preparing for Use ...

Страница 29: ...2 2 Setting Up the Oscilloscope This chapter shows you how to set up your Infiniium oscilloscope connect power and accessories and verify general operation ...

Страница 30: ...Keyboard Power cord User s Quick Start Guide See Figure 2 1 See table 2 1 for the power cord If anything is missing contact your nearest Agilent Technologies SalesOffice Ifthe shipment was damaged contact the carrier thencontact the nearest Agilent Technologies Sales Office Inspect the oscilloscope If there is mechanical damage or a defect or if the oscilloscope does not operate properly or does n...

Страница 31: ...for the 54830 Series Infiniium Oscilloscopes Infiniium Oscilloscope with Accessory Pouch 1165A Probe 54830 and 54831 models only User s Quick Start Guide Mouse Keyboard Digital Probe MSO models only Digital Clip Leads MSO models only SMT IC Clip MSO models only Ground Lead MSO models only ...

Страница 32: ...o that 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 ac voltage source 100 to 240 VAC 10 47 to 440 Hz all models Maximum power dissipation 54830 series is 440 W Minimum 0 mm Minimum 85 mm both sides Minimum 39 mm Airflow requirements 250 cfm Minimum...

Страница 33: ...loscope 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 line cord provided is matched by Agilent Technologies to the country of origin of the order 4 Ensure that you have the correct line cord See table 2 1 ...

Страница 34: ...ia unpolarized in many nations 125V 8120 1378 8120 1521 8120 1992 Straight NEMA5 15P 90 Straight Medical UL544 90 228 90 228 96 244 Jade Gray Jade Gray Black United States Canada Mexico Philippines Taiwan 250V 8120 2104 8120 2296 Straight SEV1011 1959 24507 Type 12 90 79 200 79 200 Mint Gray Mint Gray Switzerland 220V 8120 2956 8120 2957 Straight DHCK107 90 79 200 79 200 Mint Gray Mint Gray Denmar...

Страница 35: ... pin serial printer cable such as an 34398A cable plus the 34399A adapter kit Some printers may require other cable configurations but the oscilloscope has a 9 pin serial connector Connect cable into the connector labeled 7 GPIB Cable Attach the GPIB connector to the GPIB interface card connector labeled 6 on the rear of the oscilloscope While you can operate many oscilloscope functions using only...

Страница 36: ...Chapter 2 Preparing for Use To connect the mouse the keyboard a LAN cable a printer and a GPIB cable 2 9 Figure 2 4 Back Panel 1 2 4 3 5 6 7 ...

Страница 37: ... 1 Attach the probe connector to the desired oscilloscope channel or trigger input Push it straight on until it latches into place Figure 2 5 Attaching the Probe Connector 2 Connect the probe to the circuit of interest using the browser or other probing accessories Figure 2 6 Probing the Circuit ...

Страница 38: ...pe without twisting it Figure 2 7 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 connector body will damage it CAUTION For the 54830 series oscilloscopes do not exceed the maximum input voltage rating The maximum input voltage for 50 Ω inputs is 5 Vrms CAT I Maximum voltage at 1 MΩ impedance is 1...

Страница 39: ...the tab key facing left into the digital connector 2 Tighten both thumb screws Figure 2 8 Connecting the Digital Cable to the Oscilloscope The MSO series Infiniium oscilloscopes are the only oscilloscopes that have 16 digital channels The digital clip lead marked clk clock is unused All the other digital clip leads are used for the digital channels ...

Страница 40: ...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 the digital channels on the circuit under test The isolation network schematic is shown in Figure 2 10 Figure 2 10 Probe Tip Isolation Network The loading effect of the probe tip on the circuit under test is represented by the circuit shown in t...

Страница 41: ...valid For more information on digital probing solutions search for the document titled Probing Solutions for Logic Analysis Systems Agilent part number 5968 4632E on the Agilent Technologies web site at www agilent com Note 5 V is supplied by the oscilloscope to provide power for the demo board DO NOT connect these pins to the circuit board under test 370 Ω 7 4 pF 1 5 pF 100 kΩ Signal D0 37 D1 35 ...

Страница 42: ...rd for easier viewing 2 15 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 into place Figure 2 13 Latching the Oscilloscope Front Feet ...

Страница 43: ...lay appears The oscilloscope 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 The first time that you turn on the oscilloscope you may need to have a keyboard and mouse connected The keyboard and mouse are needed to enter the Product Key from the Microsoft Certificate of Authenticity for Windows XP ...

Страница 44: ... Use To turn off the oscilloscope 2 17 To turn off the oscilloscope 1 Momentarilydepressthepowerswitchat thelowerleft handcorneroftheoscilloscope front panel The oscilloscope will go through a normal Windows shutdown process ...

Страница 45: ...pause momentarily 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 vertical scale You should then see a square wave with peak to peak amplitude of approximately 5 divisions and a period of almost 7 divisions If you do not see the waveform ensure your power ...

Страница 46: ...ns are compatible with the Infiniium oscilloscope application Microsoft Office 2000 MathWorks MATLAB Mathsoft MathCad 2001i McAfee VirusScan Symantec Norton AntiVirus If you install an application other than those which Agilent has tested it is possible that it could break the oscilloscope application This would require you to reinstall the oscilloscope application using the recovery disks Before ...

Страница 47: ...s off the display s backlights extending their life Do not change the screen resolution from 640 by 480 pixels or the color quality from High 24 bit Do not use the Windows XP Theme Do not change Windows and buttons from the Windows Classic Style Do not change the Font size to Extra Large Do not use a Menu font size greater than 12 points Do not modify 1 Digital Flat Panel 640x480 on Chips and Tech...

Страница 48: ... To 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 Infiniium front panel damaging sensitive electronic components ...

Страница 49: ...2 22 ...

Страница 50: ...rocedure 3 7 To test offset accuracy 3 11 Procedure 3 7 To test bandwidth 3 13 Equivalent Time Test 3 13 Real Time Test 3 14 To test time measurement accuracy 3 15 Equivalent Time Mode Procedure 3 15 Real Time Mode Procedure 3 20 To test trigger sensitivity 3 22 Internal Trigger Test 3 22 Procedure External Trigger Test 2 channel models only 3 24 Procedure Auxiliary Trigger Test 4 channel models o...

Страница 51: ...equipment and time required for performance tests perform the self tests These internal tests verify many functions of the oscilloscope To run the self tests enable the graphical interface then select Self Test from the Utilities menu The Self Test drop down list box allows you to select oscilloscope Self Tests Key and Knob Test or LED Test A message is displayed with the instruction to remove all...

Страница 52: ...e new data with the old so it takes longer for the waveform to stabilize Press the Clear Display key while changing input signals The oscilloscope will restart averaging and give a quick indication of the result of the signal change Averaging Averaging is used to assure a stable signal for measurements It is not necessary to wait for complete stability of the signal averaging complete as long as t...

Страница 53: ...e and the BNC to banana plug adapter 2 Enable the graphical interface Use the mouse to click on the button in the upper right hand corner of the display See Figure 3 1 Figure 3 1 Enabling the graphical interface 3 Press Default Setup to set the oscilloscope to default conditions 4 Select Calibration from the Utilities menu 5 Select DC from the Aux Output drop down list box See Figure 3 2 Equipment...

Страница 54: ...ant digits V1 __________ 8 Set the level to 2 400 V using the Level spin box or the numeric keypad dialog 9 The DVM should read near 2 400 V Record the reading V2 __________ 10 Subtract the second reading from the first reading then divide the result by 4 8 For example if the first reading is 2 389 V and the second reading is 2 397 V then 11 The final result should be between 0 998 and 1 002 Recor...

Страница 55: ... 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 key for Channel 1 to select 1 MΩ then 50 Ω and verify resistance readings of 1 MΩ 10 kΩ and 50 Ω 0 50 Ω respectively 6 Record the readings in the Performance Test Record 7 Repeat steps 3 through 6 on the r...

Страница 56: ...ll scale without averaging or 12 bits 0 024 of full scale with 32 averages at full resolution scale Offset Accuracy 1 25 of channel offset 2 of full scale at full resolution scale Equipment Required Procedure 1 Connect the equipment See Figure 3 4 a Use a BNC to banana adapter to connect a BNC cable to the power supply b Connect a BNC tee to the other end of the cable and connect the tee to channe...

Страница 57: ...g 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 using the numeric keypad dialog Click Close See Figure 3 5 Figure 3 5 Acquisition Setup for Voltage Accuracy Measurement 7 Use the following table for steps 8 through 15 Select Equivalent Time sampling mode Enabl...

Страница 58: ...to the volts div value from the first row of the table in step 7 Set the Offset value to the Position value from the first row of the same table Click Close See Figure 3 7 Volts div Position Supply Tolerance Limits minimum maximum 5 V 17 5 V 35 V 510 mV 34 490 V 35 510 V 2 V 7 V 14 V 204 mV 13 796 V 14 204 V 1 25 V 4 375 V 8 75 V 127 mV 8 623 V 8 877 V 500 mV 1750 mV 3 5 V 51 mV 3 449 V 3 551 V 25...

Страница 59: ... 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 and OFF if it is not illuminated 17 Move the BNC tee to the next channel and repeat steps 8 through 15 for that channel 18 Repeat steps 8 through 17 for the rest of the channels To Set Vertical Scale and Positio...

Страница 60: ...oscope to default conditions 3 Select Acquisition from the Setup menu 4 Select Equivalent Time under Sampling Mode Enable Averaging and set the of Averages to 32 Click Close Setup is the same as that for the voltage measurement accuracy test See figure 3 4 5 Use the following table for steps 6 through 12 6 Select Channel 1 from the Setup menu 7 Set the vertical Scale to the Volts div value from th...

Страница 61: ...he reading in the Performance Test Record To find the current position setting select Channel 1 from the Setup menu and read the Offset field Click Close when finished 11 Repeat steps 6 through 10 for the other lines in the table 12 With the channel keys set the active channel OFF and the next ON 13 Move the BNC from one channel to the next 14 Repeat steps 6 through 13 for each channel setting the...

Страница 62: ...eep speed to 50 ns div using the horizontal sweep speed knob 6 Set the signal generator for 10 MHz at 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 averaging is complete about 10 seconds note the Vamptd 1 reading at the bottom of the screen V10MHz...

Страница 63: ...e signs 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 3 0 dB Record the result in the Performance Test Record 17 Switch the power splitter from the channel 1 to the channel 2 input 18 Turn off the current channel and turn on the next channel using t...

Страница 64: ...signal generator You adjust the signal generator output level to change the rise time of the squarewave Equivalent Time Mode Procedure This test checks time measurement in equivalent time mode with averaging 1 Set the Agilent 8656B signal generator for a 40 MHz sine wave 25 0 ns period at 250 mVrms 2 Connect the output of the signal generator to the INPUT of the Agilent 8447D RF amplifier 3 Connec...

Страница 65: ... Procedure 9 Adjust the signal generator output voltage to obtain a waveform with a rise time of approximately 1 4 2 0 ns You can measure the rise time by selecting the rise time command from the Time submenu of the Measure menu See Figure 3 9 Figure 3 9 Waveform for Time Measurement Accuracy Check 10 Select Acquisition from the Setup menu Use the rise time measurement to verify correct waveform s...

Страница 66: ...raged to 16 Select Manual Memory Depth Set the memory depth to 2004 points Click Close See Figure 3 10 Figure 3 10 Acquisition Setup for Equivalent Time Procedure 12 Select Delta Time from the Time submenu of the Measure menu Select Channel 1 as the source in the dialog that appears See Figure 3 11 Figure 3 11 Source Selection for Delta Time Measurement ...

Страница 67: ...rizontal from the setup menu Set the scale to 100 ns div position to 11 ns 21 Clear measurement statistics by pressing the Clear Display button on the front panel For Valid Statistical Data In equivalent time mode measurement specifications are valid with sixteen or more acquisitions averaged Statistics accumulated before the required number of averaged acquisitions may show the oscilloscope to fa...

Страница 68: ...ld be 1 µs 2 5 ns minimum 997 5 ns and maximum 1 0025 µs Record the minimum and maximum readings in the Performance Test Record 27 Move the cursor over the top of the Time measurement at the bottom of the screen Press the left mouse button and select Customize from the pop up menu 28 Set the To Edge control to 6 with Direction Rising and Threshold Middle Click OK See Figure 3 13 Figure 3 13 New Me...

Страница 69: ...mpling mode SetSamplingRateto Manual 1GSa s Disable Averaging and set Memory Depth to Automatic Click Close See Figure 3 14 Figure 3 14 Acquisition Setup for Real Mode Procedure 4 Set sweep speed to 50 ns div with horizontal position at 0 0 s 5 Move the cursor over the top of the Time measurement at the bottom of the screen Press the left mouse button and select Customize from the pop up menu 6 Se...

Страница 70: ...tton and select Customize from the pop up menu 16 Set the To Edge to 101 with Direction Rising and Threshold Middle Click OK 17 Delta time mean should read 3 94999 µs 397 ps minimum 3 94959 µs maximum 3 95039 µs Record the reading in the Performance Test Record 18 Move the cursor over the top of the Time measurement at the bottom of the screen Press the left mouse button and select Customize from ...

Страница 71: ... dc to 100 MHz 100 MHz to 500 MHz 500 MHz to 1 GHz Internal 0 5 div 1 0 div 1 5 div External 54830 33x 0 05 signal range 0 10 signal range Auxiliary 54831 32x dc to 500 MHz 300 mVp p Equipment Critical Specifications Recommended Model Part Signal Generator 100 MHz 1 GHz 30 80 mVrms output Agilent 8648A Power Splitter outputs differ by 0 15 dB Agilent 11667A Termination BNC feedthrough 50 Ω Agilent...

Страница 72: ...0 MHz and output level for 0 5 divisions of vertical deflection You can use the markers to set a 0 5 division reference Select Markers from the Measure menu and select Manual Placement in the dialog that appears Both Markers should be set to the same channel Set the Y value for Marker A to 50 0 mV and the Y value for Marker B to 50 0 mV then click Close If the markers do not appear on the screen p...

Страница 73: ...ignal generator to the channel 2 input 21 Repeat steps 4 through 16 for the remaining channels Procedure External Trigger Test 2 channel models only This test is necessary only on the Agilent 54830B D 54833A D 1 Connect the equipment a With the N cable connect the signal generator to the power splitter input b Using an N to BNC adapter and BNC cable connect one splitter output to the channel 1 inp...

Страница 74: ...ter to channel 1 2 Set the signal generator for 500 MHz approximately 0 dBm 3 Set the channel 1 input to 50 Ω input impedance and press Autoscale 4 Set the channel 1 scaling to 50 mV div Then set the signal generator for 6 divisions of signal 300 mVpp 5 Press the Source key Trigger section of front panel to highlight Aux 6 Set the trigger level to 0 000 V 7 Slowly adjust the Trigger Level knob sli...

Страница 75: ...p Before Testing For accurate test results let the test equipment and the oscilloscope warm up 30 minutes before testing Equipment Required 1 Turn on the test equipment and the oscilloscope Let them warm up for 30 minutes before starting the test 2 Set up the power supply a Set the power supply to prove a DC offset voltage b You may use the multimeter to monitor the power supply DC output voltage ...

Страница 76: ...Chapter 3 Testing Performance To verify threshold accuracy 3 27 4 Press the oscilloscope D15 0 on the front panel to turn on the digital channels See Figure 3 18 Figure 3 18 Digital Channels ...

Страница 77: ...uracy 3 28 5 To adjust the threshold settings open the Digital channels setup dialog box a Under the Setup menu press the Digital selection Select the threshold tab Figure 3 19 b Select user defined under the logic family selection Digital Channels Setup ...

Страница 78: ...at for all channels or test multiple channels at the same time Record the oscilloscope calibration voltage in the performance test record d Use the knob on the power supply to increase the offset voltage in increments of 10 mV until the activity indicators for the digital channel under test is at a digital high level Repeatfor all channelsortestmultiple channel atthe same time Record the oscillosc...

Страница 79: ...____ ___________ 2 V div 14 V 13 796 V to 14 204 V ___________ ___________ ___________ ___________ 1 25 V div 8 75 V 8 623 V to 8 877 V ___________ ___________ ___________ ___________ 500 mV 3 5 V 3 449 V to 3 551 V ___________ ___________ ___________ ___________ 250 mV 1750 mV 1724 52 mV to 1775 48 mV ___________ ___________ ___________ ___________ 100 mV 700 mV 689 808 mV to 710 19 mV __________...

Страница 80: ... Time measurement accuracy real time mode Period Limits 39 5 ns 39 298 to 39 702 ns __________________ __________________ Time edge 11 Limits 395 ns 394 780 to 395 220 ns __________________ __________________ Time edge 101 Limits 3 94999 µs 3 94959 to 3 95039 µs __________________ __________________ Time edge 201 Limits 7 89998 µs 7 89938 to 7 90057 µs __________________ __________________ Trigger...

Страница 81: ...nel D7 D0 Channel D15 D8 5 V 250 mV 4 750 V __________________ __________________ 5 V 250 mV 5 250 V __________________ __________________ 5 V 250 mV 5 250 V __________________ __________________ 5 V 250 mV 4 750 V __________________ __________________ 0 V 100 mV 100 mV __________________ __________________ 0 V 100 mV 100 mV __________________ __________________ Test Limits Results ...

Страница 82: ...4 Self Calibration Interval and Hardware Adjustments 4 2 Calibration Procedures 4 2 To run the self calibration 4 3 Calibrating and Adjusting ...

Страница 83: ...more than 5 C different than the last calibration or after performing incoming performance verification and before performing outgoing performance verification The need for self calibration will also depend on the environment in which you use the oscilloscope Calibration Procedures The procedures start with the next paragraphs Unless specified elsewhere procedures must be followed in the order giv...

Страница 84: ...ore performing outgoing performance verification Equipment Required self calibration 1 Select Calibration from the Utilities menu 2 If the Cal Memory Protect box in the Calibration dialog is checked click the check box to clear the check mark See Figure 4 1 Equipment Critical Specifications Recommended Model Part Adapters 2 BNC f to BNC m right angle Agilent 1250 0076 Cable BNC 50 Ω Agilent 8120 1...

Страница 85: ...cope then to connect Aux Out to each channel and the auxiliary trigger in turn After you complete each cable change click OK in the dialog box to continue the calibration The oscilloscope displays a Passed Failed message as each calibration routine is completed 5 Click Close Clear Cal Memory Protect to Run self calibration You cannot run self calibration if this box is checked If calibration fails...

Страница 86: ...on 5 10 Power Supply Trouble Isolation 5 11 To check probe power outputs 5 13 To Check the keyboard Troubleshooting Procedure 5 14 To check the LEDs 5 15 To check the motherboard CPU and RAM 5 16 To check the display board video signals 5 17 To check the backlight inverter voltages 5 18 To Configure the motherboard jumpers and setup BIOS 5 19 To troubleshoot the acquisition system 5 22 Software Re...

Страница 87: ... your fingers from the fan blades Tools Required You will need basic electronic troubleshooting tools including a digital multimeter and a 100 MHz oscilloscope Performance verification tests have more stringent requirements See chapter 1 for the list of recommended test equipment If you need to remove and replace assemblies you will need some of the hand tools listed in chapter 6 Replacing Assembl...

Страница 88: ... 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 the oscilloscope power cord and remove the cover If necessary refer to the procedures in chapter 6 Replacing Assemblies 2 Clip the fan safety shield over the outside of the oscilloscope chassis next t...

Страница 89: ...wchart 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 flowcharts point to procedural steps that explain the brief instructions in the chart Do not try to troubleshoot by following only the reference text because the text is not in the correct order for troub...

Страница 90: ...nse Do knob and key 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 Troubleshooting No No No Yes A B E F G H 54830F01 Check processor temperature C Is temperature OK Yes Check for fan fail message Does fan fail No Replace fan Yes D Go to Acquisition Troubles...

Страница 91: ...or 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 similar to the next figure The exact appearance may vary depending on the setup selected before the oscilloscope was turned off Figure 5 2 Power on Display Default Graphical Interface Disabled 2 Pre...

Страница 92: ...f Test drop down list box then click Start A new window appears with a symbolic representation of the keyboard See Figure 5 3 Figure 5 3 Knob and Key Self Test Screen 3 Push each key on the keyboard until you have pushed all keys When you push a key the corresponding key symbol on the display should change from red to green 4 Turn each knob in both directions until you have turned all knobs When y...

Страница 93: ...rresponding LEDs on the front panel are the only ones illuminated 5 When you are finished click Close If any of the LEDS do not work go to To check the LEDs later in this chapter 6 If both tests pass go to step E E Self Calibration 1 Complete a self Calibration by following the procedures in chapter 3 Testing Performance 2 Ifthe calibration testfails replace the acquisition assembly If the calibra...

Страница 94: ...ons and power on Fans running Power LED lit Connect external monitor cycle power and check power up sequence Power up displayed on ext monitor Replace SVGA card Go to Primary Trouble Isolation Go to Power Supply Trouble Isolation Go to To check the backlight Inverter voltages Video to flat panel display OK Yes No Yes No Replace Motherboard Assembly Yes Yes A B C D E No 54830F02 ...

Страница 95: ...rking with the oscilloscope when the cover is removed Install the fan safety shield Agilent Technologies P N 54810 00601 on the side of the chassis over the fan Failure to observe these precautions may result in injury B Check the fan connections Verify that the fan mounted in the left side of the oscilloscope and the CPU fan on the motherboard are connected 1 The oscilloscope fans connects to the...

Страница 96: ...heck the power supply voltages You check the power supply voltages onthe acquisition board A13 See Figure 5 5 forthe location of these test points Table 5 1 shows the allowable range of power supply voltages Power Supply Trouble Isolation Check Power Supply Voltages Voltages OK Check for display onscreen Display onscreen Power supply OK return to no display trouble isolation chart Check power supp...

Страница 97: ...oard E Replace the power supply 1 If the 15 V bias is correct but the oscilloscope will not power up with a 196 220Ω resistor replace the power supply Chapter 6 explains how to remove and replace the power supply 2 Re assemble the oscilloscope and apply power F Check for the oscilloscope display onscreen 1 Youshouldseethe oscilloscopedisplay seefigure5 2 Ifnot see theNoDisplayTrouble Isolation Flo...

Страница 98: ...ble 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 three terminal regulators on the probe power control assembly Measure the voltages with respect to the ground terminal on the front panel located near the Aux Out BNC Donotattempttomeasurevoltages at p...

Страница 99: ...rd assemblies CAUTION CONTAMINATION 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 cursor keyboard and keyboard assembly on an antistatic electrical insulated surface 6 Connect the cursor keyboard cable to the keyboard assembly Connect the keyboard cable t...

Страница 100: ...ace 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 LEDs do not light correctly replace the keyboard assembly If you find a problem with the Armed LED check pin 5 of W12 with the cable disconnected from the keyboard The voltage should be as follows ...

Страница 101: ...en apply power to the oscilloscope 4 Verify that a message such as the following appears on the external monitor Award Modular Bios v6 00PG Copyright VP22 Main Processor Intel Pentium III 866 MHz Memory Testing 262144 K Ok Primary Master IBM DJSA 205 Primary Slave SLIM4 00 Secondary Master MATSHITA CR 122 7508 If the above message is displayed you can assume that the PC system board CPU and RAM ar...

Страница 102: ...the top side of the connector The video signals are present during the system boot process before the backlights come on 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 the problem Table 5 2 Video Signals Figure 5 6 Video Signals Pin Number Signal 1 2 3 3 V 3 5 6 NC 4 7 9 11 15 19 23 27 31 35 38 40 Groun...

Страница 103: ... backlights inserted into the flat panel display The output voltage is approximately 300 450 Vrms 40 kHz measured differentially between the two wires when the backlight is illuminated The voltage is approximately 1 kV before the backlight tube is illuminated The outputs are controlled by the input Notice that input pin 5 goes low to enable the output voltage These pins can be reached at J1 on the...

Страница 104: ...eled VIN 42 on the oscilloscope rear panel Infiniium oscilloscopes of this configuration are equipped wit the MOT Series VP 22 motherboard and the Intel 1 GHz processor The motherboard s voltage select is automatic for the correct processor voltage This motherboard configuration lists the following message or similar at turn on Award Modular BIOS v 6 0PG Copyright VP22 Main Processor Intel Pentium...

Страница 105: ...ower cable to the Infiniium oscilloscope 2 Connect 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 Note If you are not seeing the prompt or the oscilloscope does not appear to be functioning check the motherboard jumper setting and the ribbon cable...

Страница 106: ...s the Enter key 2 If you have a power board part number 54855 66502 then perform the following steps Otherwise go to step 7 3 Go to Power Management Setup and press the Enter key 4 Select the PWORN After PWR Fail setting and press the Enter key 5 Select the Off option and press the Enter key 6 Return to the CMOS Setup Utility by pressing the Esc key 7 Press F10 to save and exit the setup Type Y to...

Страница 107: ...acquisition system 1 Select Self Test from the Utilities menu 2 Click 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 tests If a group test fails additional information will be shown with regards to the failure ...

Страница 108: ... pass 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 temp sense pass Does fan status pass Check fans Replace fans that are not turning if none are turning replace power board Does NVram tests pass Replace interface card Go to Primary Trouble Isolati...

Страница 109: ...om the Help Menu A dialog box appears showing the current version number for the oscilloscope software and on line information system software This information may be useful when contacting Agilent Technologies for further service information See Figure 5 9 Figure 5 9 About Infiniium Information ...

Страница 110: ...remove and replace the front panel assembly 6 15 To remove and replace the keyboard and flat panel display assemblies 6 19 To remove and replace the acquisition board assembly 6 22 To remove and replace the interface and GPIB board 6 24 To remove and replace the oscilloscope graphics board and display board 6 25 To remove and replace the floppy disk drive 6 26 To remove and replace the hard disk d...

Страница 111: ...llowing tools are required for these procedures Torx drivers T6 T8 T10 T15 T20 Socket wrench 5 8 inch Medium size 3 16 in flat blade screwdriver Nut Drivers 3 16 in 9 32 in 5 16 in 5 8 in Torque driver 0 34 Nm 3 in lbs 5 mm or 3 16 in hex drive Torque driver 0 34 Nm 3 in lbs Torx T6 drive CAUTION REMOVE POWER BEFORE REMOVING OR REPLACING ASSEMBLIES Do not remove or replace any circuit board assemb...

Страница 112: ...ications 2 Remove all accessories from the oscilloscope Accessories include all cables Do not include accessories unless they are associated with the failure symptoms 3 Protect the oscilloscope by wrapping it in plastic or heavy paper 4 Pack the oscilloscope in foam or other shock absorbing material and place it in a strong shipping container You can use the original shipping materials or order ma...

Страница 113: ...crews that secure the top sleeve and the bottom sleeve to the chassis 7 Place the unit so the bottom is facing up 8 Remove the eight Torx T10 screws that secure the bottom sleeve to the chassis 9 Set the unit on its bottom Carefully slide the top sleeve off of the frame by pulling the front panel and the cover away from each other 10 Set the unit on its top Carefully slide the bottom sleeve off of...

Страница 114: ...Chapter 6 Replacing Assemblies To remove and replace the cover 6 5 Figure 6 1 Cover Fasteners 2 Handle Screws Torx T20 Torx T10 Torx T20 Torx T10 Torx T20 Torx T20 ...

Страница 115: ...the front panel 3 Disconnect any other cables such as mouse keyboard printer or GPIB cables 4 Place the unit so the bottom is facing up 5 Remove the four Torx T20 screws that secure the rear feet two in each foot 6 Remove the eight Torx T10 screws that secure the bottom to the chassis 7 Remove the four Torx T20 screws that secure the back panel to the chassis Figure 6 2 Bottom Sleeve Fasteners 8 R...

Страница 116: ...tly lift the bottom sleeve up and out Be careful to not catch the feet on the chassis Figure 6 3 Remove Bottom Sleeve 10 To replace the bottom sleeve reverse the above procedure CAUTION PROPERLY TIGHTEN HANDLE AND SCREWS Torque the side handle and rear feet screws to 2 Nm 18 in lb ...

Страница 117: ...all 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 Ribbon Cable To reconnect the cable 1 Ensure that the cable retainer is up then insert the ribbon cable into the socket making sure to observe polarity of the cable with respect to the connector 2 Push the ends o...

Страница 118: ...13 Not used in oscilloscopes with option 017 3 Using a T10 driver remove the two CD ROM support bracket screws holding the CD ROM drive in place 4 Using a T20 driver remove the back panel screw holding the CD ROM drive in place 5 Move the CD ROM drive back towards the front frame then lift and pull to remove 6 Using a T6 driver remove the three screws securing the CD ROM to the support bracket Fig...

Страница 119: ... 6 Replacing Assemblies To remove and replaced the CD ROM drive 6 10 7 Remove the A4 CD ROM Adapter Board from the rear of the CD ROM 8 To replace the CD ROM drive reverse the above procedure with a new drive ...

Страница 120: ...dures Figure 6 7 AutoProbe Assembly 1 Disconnect the power cable and remove the top and 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 ribbon cable W8 from the Probe Power and Control Board A9 See To disconnect and connect Mylar flex cables in this c...

Страница 121: ...ect through the access hole to push the AutoProbe assembly faceplate away from the front panel assembly Figure 6 9 Access Hole CAUTION AVOID DAMAGE TO THE RIBBON 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 the front panel slot Figure 6 10 Pushing O...

Страница 122: ...eve 2 Remove the autoprobe board assembly from the front frame 3 Disconnect the W24 internal digital cable from the A1 acquisition board 4 Clip the tie wraps holding the digital cable and shield to the side of the chassis 5 Using a T10 driver remove the screw holding the W24 internal digital cable to the front panel Figure 6 11 Removing the Internal Digital Cable 6 Pull the W24 internal digital ca...

Страница 123: ...e oscilloscope near the flat panel display operates at high voltages 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 and bottom of the backlight inverter board You can either stand the chassis on end or turn it over to gain access to both cables 3 Disconnect...

Страница 124: ... and replace the front panel assembly Use these steps to remove and replace the front panel assembly When necessary refer to other removal procedures 1 Disconnect the power cable and remove the cover 2 Remove the AutoProbe assembly A16 and Mylar flex cable W8 3 Remove the W24 Internal digital cable if you have an MSO model oscilloscope 4 Remove the hex nuts that secure the BNC connectors to the fr...

Страница 125: ...ont panel assembly 6 16 5 Disconnect the cal cable W9 from J14 on the acquisition board 6 Using a T10 driver remove the Torx T10 screw from the front frame back plate Figure 6 15 Cal Cable W9 T10 torx screw Front Frame Back Plate Acquisition Board W9 Cal Cable ...

Страница 126: ...d replace the front panel assembly 6 17 7 Disconnect the backlight primary cable W21 flat panel display driver cable W11 and keyboard cable W12 Figure 6 16 Disconnecting W21 Backlight Primary Cable W11 Display Driver Cable and W12 Keyboard Cable ...

Страница 127: ...ecure the chassis front to the front panel assembly 10 Pull the front panel assembly away from the chassis being careful to feed the ribbon cables W11 and W12 out through the slot in the front of the chassis and not to damage the backlight inverter board 11 To replace the front panel assembly reverse the above procedure Ensure that you observe polarity designations when reconnecting the ribbon cab...

Страница 128: ...re the front panel cover plate to the front casting Figure 6 18 Front Panel Cover Plate Screws 4 Carefully feed the front panel keyboard cable W12 and the flat panel display driver cable W11 through the cable access hole while separating the front panel cover plate from the front casting 5 To remove the main keyboard disconnect the cursor keyboard cable W20 pull off the knobs and lift out the keyb...

Страница 129: ... remove the four Torx T10 screws that securethelenscorners thencarefullyremovethelens You canlift thecursorkeyboard directly out of the front casting Figure 6 19 Removing the Cursor Keyboard 8 To remove the backlights lift the tab and slide each backlight out of the flat panel display Figure 6 20 Removing the backlights Keyboard interconnect Display ...

Страница 130: ... GLASS BREAKAGE Use care when handling the Lens Glass and the FPD monitor to prevent glass breakage Inspect the inside surfaces of the Lens Glass and the Display Monitor closely for dust smudges and finger prints Viewing these with line of sight 45 degrees to the surface is the best method for seeing subtle flaws Clean the inside surfaces with glass cleaner and lint free lens paper before re assem...

Страница 131: ...5 and J16 from the Acquisition assembly These cables are located behind the Aux Trigger Input BNC connector See page 6 12 5 Disconnect the following cables from the inside edge of the Acquisition assembly Power supply sense cable W1 Probe control cable W17 Power harness cable W4 Line sync cable W5 Acquisition cable W3 Internal digital cable W24 MSO model oscilloscopes only These cables are attache...

Страница 132: ... the acquisition board assembly 6 23 7 Remove the power board from the acquisition assembly Figure 6 22 Removing the Power Board 8 To re install the acquisition board assembly reverse the above procedure Be sure to observe correct polarity for all cables ...

Страница 133: ...er cable and remove the cover 2 Remove the keyboard cable W12 and the acquisition board cable W3 from the interface and GPIB board 3 Remove the Torx T10 screw that secures the interface and GPIB board to the rear of the chassis 4 Pull the board up to disengage it from the motherboard then lift up and out of the chassis 5 To replace the board reverse the removal procedure Figure 6 23 Removing the I...

Страница 134: ... cable W11 3 Remove the two Torx T10 screws that secure the oscilloscope interface and display boards to the chassis These screws are at the rear of the chassis Figure 6 24 Removing the Oscilloscope Interface and Display Boards 4 Grasp the graphics board at the top corners and pull the board straight up until it is free of the card cage 5 Grasp the display board at the top corners and pull the boa...

Страница 135: ...er to other removal procedures 1 Disconnect the power cable and remove the top sleeve 2 Remove USB cable from the floppy drive 3 Using a T8 driver remove the two side screws holding the floppy disk drive in place 4 Pull the floppy disk drive from the front frame Figure 6 25 Removing the Floppy Disk Drive Screws 5 To replace the floppy disk drive reverse the above procedure with a new disk drive US...

Страница 136: ...iver remove the two screws holding the shock mount in place 4 Tilt the disk drive assembly forward and lift up to remove 5 Using a T10 remove the four screws holding the disk drive onto the shock mount Figure 6 26 Removing the Hard Disk Drive 6 To replace the hard disk reverse the above procedure with a new hard drive CAUTION DO NOT OVER TIGHTEN THE SCREWS Do not overtighten the T10 screws that se...

Страница 137: ...PCI cards from the motherboard 5 Disconnect all cables from the motherboard 6 Remove the six 5 mm hex nuts from the back panel connectors 7 Remove the six T10 screws holding the motherboard to the ATX tray Figure 6 27 Removing the Motherboard 8 Remove the remaining T10 screws from the motherboard 9 Lift the motherboard out of the tray 10 To replace the motherboard assembly reverse the above proced...

Страница 138: ...r supply is defective is could have a dangerous charge on some capacitors This charge could remain for many days after removing power from the supply 1 Disconnect the power cable and remove the top cover 2 Disconnect the cables from the front of the supply Ensure the W1 cable is attached as shown in the diagram below 3 Remove the motherboard subassembly Figure 6 28 Power Supply Subassembly W4 Cabl...

Страница 139: ...es 7 Separate the power input cable from the cable assembly to the power supply 8 Lift the supply up and out of the chassis 9 To replace the supply reverse the installation procedure Ensure that the AC power connector is aligned with the cutout in the rear panel that the supply chassis rests on the two tabs in the oscilloscope chassis and that the ground wire is routed through the notch at the rea...

Страница 140: ...the following cables from the fan control board All six fan power cables from the fan control board Motherboard sense line 1 at P8 Power supply control cable at P10 Controller board power at P1 Motherboard sense line 2 at P9 3 Remove the two T10 screws from the fan controller board 4 Lift board out of chassis 5 To re install reverse this procedure Figure 6 30 Removing the Fan Controller Board ...

Страница 141: ...fer to other removal procedures 1 Disconnect the power cable and remove the cover 2 Disconnect the fan cable from the fan control board 3 Remove the four T20 fan screws securing the fan to the chassis Figure 6 31 Removing Fan Fasteners CAUTION AVOID OVERHEATING THE oscilloscope When replacing the fan be sure the direction of the fan air flow is coming from the inside to the outside of the oscillos...

Страница 142: ... the top cover 2 Disconnect the mylar flex cable W8 that connects the probe power and control assembly to the AutoProbe assembly The connector must be unlocked before you can remove the flex cable See To disconnect and connect Mylar flex cables in this chapter 3 Disconnect the mylar flex cable W17 from the probe power and control assembly 4 Remove the two Torx T10 screws securing the probe power a...

Страница 143: ...the Probe Power and Control Assembly 6 To replace the probe power and control assembly reverse the above procedure When inserting the assembly be sure the two tabs on the circuit board engage the two slots in the sheet metal Also be sure to carefully lock in the connector for the mylar flex cable when reattaching the cable See To disconnect and reconnect mylar flex cables in this chapter ...

Страница 144: ...placeable Parts 7 2 Listed Parts 7 2 Unlisted Parts 7 2 Direct Mail Order System 7 2 Exchange Assemblies 7 2 Power Cables and Plug Configurations 7 3 Exploded Views 7 5 Replaceable Parts List 7 10 Replaceable Parts ...

Страница 145: ... Agilent 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 Agilent Technologies to provide these advantages please send a check or money order with each order Mail order forms and specific ordering information are available through your local Agilent Technologies Sales Office Addre...

Страница 146: ...olor Country Opt 900 250V 8120 1703 90 90 228 Mint Gray United Kingdom Cyprus Nigeria Zimbabwe Singapore Opt 901 250V 8120 0696 90 87 221 Mint Gray Australia New Zealand Opt 902 250V 8120 1692 90 79 200 Mint Gray East and West Europe Saudi Arabia So Africa India unpolarized in many nations Opt 903 125V 8120 1521 90 90 228 Jade Gray United States Canada Mexico Philippines Taiwan Opt 919 250V 8120 6...

Страница 147: ...t 927 8120 8871 90 Thailand Part number shown for plug is industry identifier for plug only Number shown for cable is Agilent Technologies part number for complete cable including plug These cords are included in the CSA certification approval of the equipment E Earth Ground L Line N Neutral Plug Type Cable Part No Plug Description Length in cm Color Country ...

Страница 148: ...Chapter 7 Replaceable Parts Exploded Views 7 5 Exploded Views Front Frame and Front Panel ...

Страница 149: ...Chapter 7 Replaceable Parts Exploded Views 7 6 Fan and Acquisition Assembly ...

Страница 150: ...Chapter 7 Replaceable Parts Exploded Views 7 7 Power Supply and PC Motherboard Without Option 017 ...

Страница 151: ...Chapter 7 Replaceable Parts Exploded Views 7 8 Power Supply and PC Motherboard With Option 017 ...

Страница 152: ...Chapter 7 Replaceable Parts Exploded Views 7 9 Sleeve and Accessory Pouch ...

Страница 153: ...are generally those that take the physical wear and tear of use Internal parts in several categories Each category is in alphanumeric order by reference designation Replacing these parts generally requires opening the cabinet The information given for each part consists of the following Reference designation Agilent Technologies part number Total quantity QTY in oscilloscope or on assembly The tot...

Страница 154: ... A1 54833 66501 or 54833 66407 1 2 CH ACQUISITION ASSEMBLY Agilent Model 54833A requires software version Windows 98 2 35 or XP 3 5 or later All others require this assembly A1 54833 66502 or 54833 66406 1 2 CH ACQUISITION ASSEMBLY Agilent Model 54833D requires software version Windows 98 2 35 or XP 3 5 or later All others require this assembly External Chassis Parts MP13 54801 47403 1 KNOB 24 MM ...

Страница 155: ...17 54810 66541 1 CDROM ADAPTER BOARD NOT ON OPTION 017 CDROM ADAPTER BOARD WITH OPTION 017 A6 0950 4373 1 CD ROM Drive A7 0950 4362 1 1 44 FLOPPY DRIVE A8 1 HARD DRIVE with SOFTWARE NOT ON OPTION 017 Go to the web site to find the hard drive part number www agilent com find infiniium_software A19 0960 2481 1 MOTHERBOARD SUBASSEMBLY W13 54801 61643 1 HARD DRIVE MINI IDE CABLE NOT ON OPTION 017 W14 ...

Страница 156: ...0515 0365 6 SCR MACHINE H18 0515 2691 2 MS M2 6X0 45 6 MM PAN HEAD MP1 0624 1066 24 FAN SCREWS MP2 54832 04105 1 SLEEVE BOTTOM MP3 54830 00105 1 CHASSIS ASSEMBLY MP4 54857 60102 1 ATX TRAY MP5 54810 01211 1 HARD DRIVE BRACKET NOT ON OPTION 017 MP7 54857 01214 1 CDROM MOUNT BRACKET MP8 54832 04103 1 FRONT FRAME BACK PLATE MP9 54832 40501 1 FRONT FRAME 54830 31 32 33D MP10 54810 01213 1 POWER SUPPLY...

Страница 157: ...10 1 SMB CABLE AUX OUT W11 54810 61610 1 DISPLAY CABLE W12 54826 61601 1 KEYBOARD CABLE W17 54810 61604 1 PROBE POWER CABLE W19 54810 61603 6 FAN CABLE W20 54801 61626 1 KEYBOARD INTERCONNECT W21 54810 61605 1 BACKLIGHT POWER CABLE W22 54801 61624 1 DISPLAY JUMPER CABLE W23 54801 61638 2 SMB CABLE BNC TTL EXT TRIGGER W24 54826 61604 1 INTERNAL DIGITAL INPUT CABLE 54830 31 32 33D W25 54855 61627 1 ...

Страница 158: ...4 Acquisition System 8 4 Front Panel 8 4 Disk Drives 8 4 Attenuators 8 4 Motherboard 8 5 Display Board 8 5 Probe Power and Control 8 5 Attenuator Theory 8 7 Acquisition Theory 8 7 Acquisition Board 8 7 Acquisition Modes 8 8 Interface and GPIB Board A21 8 9 Theory of Operation ...

Страница 159: ...Chapter 8 Theory of Operation 8 2 Figure 8 1 Oscilloscope Block Diagram Shown for Original Configuration w 1 44 MByte Floppy Drive ...

Страница 160: ... 3 1 2 inch flexible disk drive BNC connectors for channel input signals AutoProbe interface for probe power and probe control A connection for probe compensation The rear panel provides several connections The line power input An GPIB connector for connection to an oscilloscope controller An RS 232 connection A parallel printer connection VGA monitor connection Mouse and keyboard connections LAN ...

Страница 161: ...in selection for each input channel The attenuators are part of the acquisition board Front Panel The front panel is read and controlled by a micro controller IC This device contains a microprocessor RAM ROM and a DUART for communication with the microprocessor on the main assembly The micro controller is located on the keyboard and communicates with the system control circuitry through an RS 232 ...

Страница 162: ...d PC VGA interface The other path is the video input from the oscilloscope interface board which is multiplexed with the main video to produce the video signals for the flat panel display The video from the oscilloscope graphics board is the waveform display data Probe Power and Control The Probe Power and Control board provides filtered regulated power to the front panel AutoProbe interface It al...

Страница 163: ...Panel 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 SGRAMs 8 Bit 8 Bit CLK CLK 32 Bit PHI4 32 Bit PHI3 32 Bit PHI2 32 Bit PHI1 Addr Data Deceleration Processing LSI Logic ASIC Acquisition Memory 8 8Mbit SGRAMs 8 Bit CLK CLK 32 Bit PHI4 32 Bit PHI3 32 B...

Страница 164: ...ignals 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 the base sample rates ADC The Agilent Technologies Infiniium Oscilloscope ADC provides all of the sampling digitizing and high speed waveform storage Each ADC contains two 2 GSa s ADCs They can b...

Страница 165: ... 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 to place the recently acquired data in relationship to the trigger point Calibration The Calibration circuit provides several signals to the Probe Compensation and Aux Out outputs Which signal is driv...

Страница 166: ... status two control lines are used for trigger control and clocking There are two address ranges on the acquisition board the first is used for reading acquisition data while the second is used to access status and control elements of the board Waveform Display Management A PC video connector connects the oscilloscope interface board to the display board The oscilloscope interface board accepts vi...

Страница 167: ...8 10 ...

Страница 168: ...at the ground protection is impaired you must make the instrument inoperative and secure it against any unintended operation Service instructions are for trained service personnel To avoid dangerous electric shock do not perform any service unless qualified to do so Do not attempt internal service or adjustment unless another per son capable of rendering first aid and resuscitation is present Do n...

Страница 169: ...nt 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 applica ble law Agilent disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not lim ited to the implied warran ties of merchantability and fitne...

Страница 170: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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