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Maintenance

Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual

4- 13

Troubleshooting Procedure

Figures 4--3 through 4--5 are troubleshooting procedure flowcharts. Use them to
troubleshoot an instrument failure. Begin with Figure 4--3.

WARNING.

Before removing the cabinet, disconnect the power cord from the line

voltage source. Failure to do so could cause serious injury or death.

Yes

Done.

Power on the

instrument.

Perform the AC Power Supply

troubleshooting procedure

(Figure 4--4).

Yes

Perform the Module Isolation

troubleshooting procedure

(Figure 4--5).

Does

the instrument pass

all the

diagnostics?

Does

the instrument

display the power-up

screen?

Figure 4- 3: Primary troubleshooting procedure

Содержание 4000 Series

Страница 1: ...cument applies to firmware version 2 00 and above Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service www tektronix com ...

Страница 2: ...s that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc TekLink is a trademark of Tektronix Inc Tektronix is an authorized licensee of the CompactFlash trademark Contacting Tektronix Tektronix Inc 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and...

Страница 3: ... 2 Front Panel Board 2 3 Adjustment Procedures 3 1 Required Equipment 3 1 Overview of the Adjustment Process 3 2 Factory Adjustment Procedure 3 4 Completing the Procedure 3 8 Maintenance 4 1 Preventing ESD 4 1 Inspection and Cleaning 4 1 General Care 4 2 Interior Cleaning 4 2 Exterior Cleaning 4 2 Overview of Removal Procedures 4 6 Removal Procedures 4 8 Troubleshooting 4 12 Troubleshooting Proced...

Страница 4: ...re 4 13 Figure 4 4 AC power supply troubleshooting procedure 4 14 Figure 4 5 Module isolation troubleshooting procedure 4 15 Figure 5 1 Exploded view case 5 5 Figure 5 2 Exploded view DPO4000 front panel and display 4 channel instruments 5 7 Figure 5 3 Exploded view MSO4000 front panel and display 4 channel instruments 5 9 Figure 5 4 Exploded view DPO4000 front panel and display 2 channel instrume...

Страница 5: ... Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product The inputs are not rated for connection to mains or Category II III or IV circuits Connect the probe reference lead to earth ground only Do not apply a potential to any terminal including the ...

Страница 6: ...is product or other property These terms may appear on the product H DANGER indicates an injury hazard immediately accessible as you read the marking H WARNING indicates an injury hazard not immediately accessible as you read the marking H CAUTION indicates a hazard to property including the product The following symbols may appear on the product CAUTION Refer to Manual Protective Ground Earth Ter...

Страница 7: ...ments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power remove battery if applicable and disconnect test leads befo...

Страница 8: ...Service Safety Summary vi Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...

Страница 9: ...rials are reused or recycled appropriately The symbol shown to the left indicates that this product complies with the European Union s requirements according to Directive 2002 96 EC on waste electrical and electronic equipment WEEE For information about recycling options check the Support Service section of the Tektronix Web site www tektronix com Mercury Notification This product uses an LCD back...

Страница 10: ...Environmental Considerations viii Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...

Страница 11: ...e assembly or mechanical part specifically by its name or generically as a replaceable part In general a replaceable part is any circuit board or assembly such as the hard disk drive or a mechanical part such as the I O port connectors that is listed in the replaceable parts list Symbols and terms related to safety appear in the General Safety Summary found at the beginning of this manual Related ...

Страница 12: ...scopes Service Manual To read about Use these documents Installing and testing applica tions modules Tektronix 4000 Series Application Modules Installation Instructions Manual Oscilloscope calibrator Fluke Oscilloscope Calibrator Manual at http us fluke com ...

Страница 13: ...Operating Information ...

Страница 14: ......

Страница 15: ...ating Information For information on installing and operating your DPO4000 or your MSO4000 Series Digital Phosphor Oscilloscope refer to the Tektronix 4000 Series Digital Phosphor Oscilloscopes User Manual This manual is available in 11 languages on the Web at www tektronix com ...

Страница 16: ...Operating Information 1 2 Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...

Страница 17: ...Theory of Operation ...

Страница 18: ......

Страница 19: ...r Supply Main board Front Panel Input ports for application modules Attenuator circuit Display back light inverter power LCD Display Ch 1 Ch 1 Ch 2 Ch 2 Ch 3 Ch 4 2 channel oscilloscopes 3 Fans AC Line 4 channel oscilloscopes Aux in Ethernet port I O Board CompactFlash Port Trigger Out J100 J570 J571 J850 J930 Bezel buttons J130 J420 J421 J0480 J1 USB J120 J510 Aux in J680 XGA Video port J170 J440...

Страница 20: ...ses through an attenuator and preamplifier The analog signal from each preamplifier goes through a digitizer a time base controller and then into acquisition memory The analog signal from each preamplifier is also distributed to a trigger circuit The Trigger system processes the analog signals from the preamplifiers and sends trigger information to the time base controller Advanced trigger functio...

Страница 21: ...h port The Power Converter receives 12 V from the main power supply and generates voltages for the analog and digital circuitry on the Main board Front Panel Board The Front Panel board contains a microprocessor that reads the front panel buttons and controls and then sends this information to the processor system on the Main board The Front Panel board also generates the probe compensation output...

Страница 22: ...Theory of Operation 2 4 Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...

Страница 23: ...Adjustment Procedures ...

Страница 24: ......

Страница 25: ...eets specifications See the Tektronix 4000 Series Technical Reference documentation Successful completion of this adjustment procedure automatically updates the stored time and date of the latest successful adjustment Completion of the Performance Verification procedure does not update this date and time If no adjustment is needed there is also no need to update the time and date of the adjustment...

Страница 26: ... performing adjustment procedures you must warm up the oscilloscope for at least 30 minutes in an ambient temperature between 20 C and 30 C Adjustments performed before warm up or outside this temperature range may result in poor performance or calibration failure The factory adjustment procedure consists of a series of steps as you move through these steps the oscilloscope display provides instru...

Страница 27: ...nput impedance or vertical and horizontal settings during the adjustment procedure The oscilloscope automatically sets the instrument settings but these settings may not read out correctly on the display During some steps the instrument may appear to be idle for several minutes while it is processing information internally If the oscilloscope completes all steps in the procedure successfully a Pas...

Страница 28: ...the adjustment procedure 2 Power on the oscilloscope and warm it up for 30 minutes 3 Power on the oscilloscope calibrator and warm it up for 30 minutes 4 Connect the active heads from the calibrator to the oscilloscope ensuring that Channel 1 on the calibrator connects to Channel 1 on the oscilloscope and so on NOTE For the DPO4000 there will be either 2 or 4 channels to connect For the MSO4000 th...

Страница 29: ...cilloscope shows the Power on self test passed message with the oscilloscope graticule in the background This can take up to a minute 7 Push the Default Setup button on the front panel of the oscilloscope 8 Push the Utility button on the front panel of the oscilloscope 9 Push the Utility Page lower bezel button The utility page menu appears as shown in Figure 3 2 Figure 3 2 Utility page menu 10 Us...

Страница 30: ...ktronix 4000 Series Digital Phosphor Oscilloscopes Service Manual Figure 3 3 Calibration selection 11 Push the Factory lower bezel button The information dialog appears as shown in Figure 3 4 Figure 3 4 Factory information dialog ...

Страница 31: ...age 3 9 Waveform type voltage frequency termination channel Deskew Apply 1 0 V Pk Pk 1 kHz 50 Ω termination deskew signal to 3 Page 3 10 Waveform type voltage frequency termination channel Sine Signal Apply 2 0 V Pk Pk 164M 50 Ω termination sine signal to 3 Page 3 11 Waveform type voltage frequency termination channel NOTE The oscilloscope screen will not provide you with all of the information th...

Страница 32: ...e that the test will pass 1 Push the DC Square button 2 Push the WAVEFORM lower bezel button and then push the DC Positive right bezel button 3 Push the CHANNEL SELECT lower bezel button 4 Push the LOAD lower bezel button to highlight either 1M Ω or 50 M Ω 5 Select the specified channels by using the side bezel buttons and then click the EXIT lower bezel button 6 If the amplitude field is not sele...

Страница 33: ...pe WARN ING Once you push the Trig Pulse button on the calibrator you have only 9 seconds to push the OK Do Next Step button on the oscilloscope If the instrument fails one of these tests go all the way back to the first 6 V test 6 V on channel 1 and start that sequence over again 7 Ensure that the red light is illuminated to indicate that the output is on If not push the ON button as shown below ...

Страница 34: ...ure 3 5 Ensure that is snaps into place Keep the probe plugged in for the remainder of the calibration procedure M 1 2 3 4 Menu Autoset Single Run Stop Acquire Set Clear Test Search Measure Fine Select Set to 50 ForceT rig R B1 B2 Menu O ff Utility Default Setup Menu Save CompactFlashٛ Intensity Cursors B3 B4 D15 D0 Figure 3 5 Digital channel input 2 Push the Aux front panel button and then push t...

Страница 35: ...ight channels and turned on Is the signal set to the correct waveform frequency and termination if applicable to the test Is the output set to ON the red light will be illuminated If you make a correction or find that everything appears to be correct click the Go back a step button to try the test again I can t set the amplitude to 0 V as specified in the prompt Ground the signal by pushing the lo...

Страница 36: ...6 V that appear in Step 6 of the DC Voltage test Ensure that the polarity is correct by referring to the icon that appears in the upper left corner of the calibrator screen If the instrument fails a test go all the way back to the first 6 V test 6 V on Channel 1 and start the sequence over again The Sine Signal test failed If the prompt specified Channel 4 try setting the signal to Channel 5 inste...

Страница 37: ...Maintenance ...

Страница 38: ......

Страница 39: ...charge 1 Minimize handling of static sensitive circuit boards and components 2 Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive boards 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these modules Service static sensitive modules only at a s...

Страница 40: ... Avoid scrubbing the display with excessive force Clean the flat panel display surface by gently rubbing the display with a clean room wipe such as Wypall Medium Duty Wipes 05701 available from Kimberly Clark Corporation Use a dry low velocity stream of air to clean the interior of the chassis Use a soft bristle non static producing brush for cleaning around components If you must use a liquid for...

Страница 41: ...ernal inspection check list Item Inspect for Repair action Cabinet front panel and cover Cracks scratches deformations damaged hardware Repair or replace defective module Front panel knobs Missing damaged or loose knobs Repair or replace missing or defective knobs Connectors Broken shells cracked insulation and deformed contacts Dirt in connectors Repair or replace defective modules Clear or wash ...

Страница 42: ...nal inspection check list Item Inspect for Repair action Circuit boards Loose broken or corroded solder connections Burned circuit boards Burned broken or cracked circuit run plating Remove and replace damaged circuit board Resistors Burned cracked broken blis tered condition Remove and replace damaged circuit board Solder connections Cold solder or rosin joints Resolder joint and clean with isopr...

Страница 43: ...1 and 2 a module is clean upon inspection skip the following steps If there is still dust or dirt on the module the oscilloscope may be spray washed using a solution of 75 isopropyl alcohol by doing the following steps 1 Gain access to the parts to be cleaned by removing easily accessible shields and panels see Removal Procedures 2 Spray wash dirty parts with the isopropyl alcohol and wait 60 seco...

Страница 44: ... Safety Summary located at the beginning of this manual Also to prevent possible injury to service personnel or damage to electrical components read Preventing ESD on page 4 1 You will need the following tools to remove and replace all the modules in the instrument H Torque limiting screwdriver 12 in lb 1 3 N m range with Torx T 15 tips If you are using a magnetic screwdriver with interchangeable ...

Страница 45: ...Maintenance Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 4 7 Rear case Front cover Front foot Figure 4 1 Locator for trim and cabinet removal ...

Страница 46: ...es require that you have access to the module that you are removing Refer to the exploded drawings Figures 5 1 through 5 9 on pages 5 5 through 5 21 and to Figures 4 1 and 4 2 on pages 4 7 and 4 8 to determine which trim and or modules to remove CAUTION When removing or installing the keypad do not touch the switch contacts with your fingers The oils on your fingers will degrade or damage the swit...

Страница 47: ...to the chassis 2 Disconnect the power supply fan and connectors from the I O board and the Main board 3 Lift the Power Supply module off the chassis Power Supply Fan Follow these steps to remove the Power Supply fan assembly You need to have previously removed the Rear Case assembly and Power Supply assembly Use a Torx T 15 and a P2 screwdriver tip See Figure 5 6 on page 5 15 1 Remove the 3 screws...

Страница 48: ... out and away from the chassis Follow these steps to remove the Main board You need to have previously removed the Rear Case assembly power supply I O board and side fans Use a Torx T 15 screwdriver tip See Figure 5 8 on page 5 19 1 Disconnect the display cable from the Main board 2 Disconnect the backlight cable from the Inverter board 3 Remove 13 screws from the Main board that connect it to the...

Страница 49: ...eps to remove the display module You need to have previously removed the power supply assembly I O board and Front Case assembly Use a Torx T 15 screwdriver tip See Figure 5 2 on page 5 7 1 Disconnect the display power cable from the Main board and the backlight cable from the Inverter board 2 Remove the 4 screws that hold the display to the front chassis 3 Gently lift the display up and off of th...

Страница 50: ...ty Summary and Service Safety Summary found at the beginning of this manual Also to prevent possible injury to service personnel or damage to electrical components read Preventing ESD on page 4 1 If you replace the Main board you must adjust the instrument after repair Refer to the Adjustment Procedures section beginning on page 3 1 for information about the adjustment You need the following equip...

Страница 51: ...ING Before removing the cabinet disconnect the power cord from the line voltage source Failure to do so could cause serious injury or death Yes No Done Power on the instrument Perform the AC Power Supply troubleshooting procedure Figure 4 4 Yes No Perform the Module Isolation troubleshooting procedure Figure 4 5 Does the instrument pass all the diagnostics Does the instrument display the power up ...

Страница 52: ... the AC power supply there are line voltages present on exposed parts AC Power Supply module OK Return the MSO4000 oscilloscope to the nearest Tektronix Service Center for repair Continued from Figure 4 3 Connect AC power cord Power off oscilloscope Disconnect AC power cord Remove instrument case Check that all cables are connected and fully seated into board connectors No Yes Are all cables conne...

Страница 53: ...to replace From the oscilloscope power up diagnostics message display Oscilloscope is operating OK Does the power up screen report any errors Yes No Failed Test Most Likely Cause Acquisition CPU Display Front Panel I O ROM App Modules Main board Main board Main board Front Panel or Main board Comm module or Main board Main board Front Panel or App Keys Continued from Figure 4 3 Figure 4 5 Module i...

Страница 54: ...th an inside dimension at least six inches 15 25 cm greater than the instrument dimensions If the instrument is being shipped to a Tektronix Service Center enclose the following information H The owner s address H Name and phone number of a contact person H Type and serial number of the instrument H Reason for returning H A complete description of the service required Seal the shipping carton with...

Страница 55: ...Mechanical Parts List ...

Страница 56: ......

Страница 57: ...model number H Instrument serial number H Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Tektronix part numbers contain two digits that show the revision l...

Страница 58: ...or the instrument Use this list to identify and order replacement parts The following table describes each column in the parts list Parts List Column Descriptions Column Column Name Description 1 Figure Index Number Items in this section are referenced by figure and index numbers to the exploded view illustrations that precede the list 2 Tektronix Part Number Use this part number when ordering rep...

Страница 59: ...osphor Oscilloscopes Service Manual 5 3 Figures 5 1 through 5 8 on the following pages show the module level exploded views of the DPO4000 Series and the MSO4000 Series oscilloscopes Each exploded view is indexed by the numbers in the figure Exploded Views ...

Страница 60: ...ektronix part number Serial no effective Serial no discont d Qty Name description 5 1 Exploded View Case 1 200 4908 00 1 COVER FRONT PROTECTIVE 2 202 0441 00 1 CASE REAR ASSEMBLY 3 211 1174 00 4 SCREW MACHINE W HEAVY PATCH THREADLOCKING MATERIAL 6 32 X 0 312 L PNH STL CAD PLT T15 4 335 1186 00 1 MARKER IDENT LABEL REAR PANEL 5 348 1798 00 2 FOOT FRONT ASSEMBLY ...

Страница 61: ...Mechanical Parts List Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 5 1 2 3 4 5 Figure 5 1 Exploded view case ...

Страница 62: ... OVERLAY STD CHINESE 335 1464 00 1 LABEL FRONT PANEL OVERLAY SIM CHINESE 335 1463 00 1 LABEL FRONT PANEL OVERLAY PORTUGUESE 335 1462 00 1 LABEL FRONT PANEL OVERLAY JAPANESE 335 1461 00 1 LABEL FRONT PANEL OVERLAY SPANISH 335 1460 00 1 LABEL FRONT PANEL OVERLAY GERMAN 335 1459 00 1 LABEL FRONT PANEL OVERLAY ITALIAN 335 1458 00 1 LABEL FRONT PANEL OVERLAY FRENCH 10 335 1183 00 1 LABEL FRONT PANEL 4C...

Страница 63: ... Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 7 1 2 3 4 5 6 7 Flex Circuit J13 13 8 9 10 11 12 13 14 15 16 17 18 19 20 Figure 5 2 Exploded view DPO4000 front panel and display 4 channel instruments ...

Страница 64: ...L OVERLAY STD CHINESE 335 1650 00 1 LABEL FRONT PANEL OVERLAY SIM CHINESE 335 1649 00 1 LABEL FRONT PANEL OVERLAY PORTUGUESE 335 1648 00 1 LABEL FRONT PANEL OVERLAY JAPANESE 335 1647 00 1 LABEL FRONT PANEL OVERLAY SPANISH 335 1646 00 1 LABEL FRONT PANEL OVERLAY GERMAN 335 1645 00 1 LABEL FRONT PANEL OVERLAY ITALIAN 335 1644 00 1 LABEL FRONT PANEL OVERLAY FRENCH 10 335 1395 00 1 LABEL FRONT PANEL 4...

Страница 65: ... Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 9 Flex Circuit J13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 13 Figure 5 3 Exploded view MSO4000 front panel and display 4 channel instruments ...

Страница 66: ...fective Serial no discont d Qty Name description 5 4 DPO4000 Front Panel and Display 2 Channel 1 335 1189 00 1 LABEL FRONT PANEL MODEL DPO4032 2 335 1185 00 1 MARKER IDENT LABEL FRONT PANEL 2CH 3 260 2812 01 1 SWITCH KEYPAD ELASTOMERIC FRONT PANEL 4 872 0004 00 1 CIRCUIT BOARD FRONT PANEL 2 CHANNEL 5 200 4906 00 2 COVER BNC FILLER 6 366 0860 01 3 KNOB 685 DIA SOFT TOUCH 7 366 0859 01 4 KNOB 470 DI...

Страница 67: ...Mechanical Parts List Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 11 1 2 3 4 5 6 7 Figure 5 4 Exploded view DPO4000 front panel and display 2 channel instruments ...

Страница 68: ...fective Serial no discont d Qty Name description 5 5 MSO4000 Front Panel and Display 2 Channel 1 335 1640 00 1 LABEL FRONT PANEL MODEL MSO4032 2 335 1397 00 1 MARKER IDENT LABEL FRONT PANEL 2CH 3 260 2814 01 1 SWITCH KEYPAD ELASTOMERIC FRONT PANEL 4 872 0004 00 1 CIRCUIT BOARD FRONT PANEL 2 CHANNEL 5 200 4906 00 2 COVER BNC FILLER 6 366 0860 01 3 KNOB 685 DIA SOFT TOUCH 7 366 0859 01 4 KNOB 470 DI...

Страница 69: ...Mechanical Parts List Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 13 1 2 3 4 5 6 7 Figure 5 5 Exploded view MSO4000 front panel and display 2 channel instruments ...

Страница 70: ...ER 2 211 1198 00 19 SCREW MACHINE 6 32 X 0 250 PNH STL CDPL T 15 TORX 3 335 1655 00 1 SERIAL NUMBER LABEL 4 119 7037 00 1 FAN TUBEAXIAL 12VDC 0 09A 1 4W 19 CFM 4000RPM 31DBA 60MM X 60MM X 25MM W 7IN LEADS CONNECTOR TACH OUT 5 650 4939 02 1 POWER SUPPLY SUB ASSEMBLY DOMESTIC 6 366 0844 00 1 PUSH BUTTON POWER SAFETY CONTROLLED 7 672 1785 01 1 I O BOARD 8 335 1213 01 1 MARKER IDENT LABEL REAR PANEL L...

Страница 71: ...st Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 15 1 2 3 Main board I O board assemly Main board J310 J780 J850 4 5 6 7 8 9 10 2 2 2 11 Figure 5 6 Exploded view DPO4000 Power Supply and I O board ...

Страница 72: ...ER 2 211 1198 00 19 SCREW MACHINE 6 32 X 0 250 PNH STL CDPL T 15 TORX 3 335 1655 00 1 SERIAL NUMBER LABEL 4 119 7223 00 1 FAN TUBEAXIAL 12VDC 0 09A 1 4W 19 CFM 4000RPM 31DBA 60MM X 60MM X 25MM W 7IN LEADS CONNECTOR TACH OUT 5 650 4939 02 1 POWER SUPPLY SUB ASSEMBLY DOMESTIC 6 366 0844 00 1 PUSH BUTTON POWER SAFETY CONTROLLED 7 672 1785 01 1 I O BOARD 8 335 1213 01 1 MARKER IDENT LABEL REAR PANEL L...

Страница 73: ...st Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual 5 17 1 2 3 Main board I O board assemly Main board J310 J780 J850 4 5 6 7 8 9 10 2 2 2 11 Figure 5 7 Exploded view MSO4000 Power Supply and I O board ...

Страница 74: ...600VAC 85KOHM LOADED OUTPUT 3 211 1143 00 2 SCREW PT K35 1 57 PAN HEAD T 15 4 407 5113 00 1 BRACKET PCB BACKLIGHT BOARD 5 174 5015 00 1 CABLE ASSY SP INVERTER POWER FLAT FLEX 6 671 5843 00 1 CIRCUIT BD ASSY MAIN BOARD DPO4104 671 5959 00 1 CIRCUIT BD ASSY 350MHZ 4 CHANNEL DPO4054 671 5960 00 1 CIRCUIT BD ASSY 350MHZ 2 CHANNEL DPO4034 671 5961 00 1 CKT BD ASSY 2 CHANNEL DPO4032 7 211 1198 00 6 SCRE...

Страница 75: ...lloscopes Service Manual 5 19 I O board assemly Main board J610 Display assembly to Inverter board assembly Main board Inverter board assembly Main board CN2 CN1 J930 J571 J570 1 2 3 4 5 6 7 8 9 Figure 5 8 Exploded view DPO4000 Main board Inverter board and side fans ...

Страница 76: ...OADED OUTPUT 3 211 1143 00 2 SCREW PT K35 1 57 PAN HEAD T 15 4 407 5113 00 1 BRACKET PCB BACKLIGHT BOARD 5 174 5015 00 1 CABLE ASSY SP INVERTER POWER FLAT FLEX 6 671 5988 00 1 CIRCUIT BD ASSY MAIN BOARD MSO4104 671 6144 00 1 CIRCUIT BD ASSY 500MHZ 4 CHANNEL MSO4054 671 6288 00 1 CIRCUIT BD ASSY 500MHZ 4 CHANNEL MSO4034 671 6145 00 1 CKT BD ASSY 2 CHANNEL MSO4032 7 211 1198 00 6 SCREW MACHINE 6 32 ...

Страница 77: ...oscopes Service Manual 5 21 I O board assemly Main board J610 Display assembly to Inverter board assembly Main board Inverter board assembly Main board CN2 CN1 J930 J571 J570 1 2 3 4 5 6 7 8 9 10 Figure 5 9 Exploded view MSO4000 Main board Inverter board and side fans ...

Страница 78: ...A6 JAPAN 161 0066 00 1 CABLE ASSY PWER 3 18 AWG 92 L STANDARD CABLE OPTION A0 161 0066 10 1 CABLE ASSY PWR 3 1 0 MM SQ 250V 10A 2 5 ME TER STR IEC320 RCPT X 13A FUSED UK PLUG 13A FUSE SAFETY CONTROLLED OPTION A2 UNITED KINGDOM 161 0066 13 1 CABLE ASSY PWR 3 1 0 MM SQ 250V 10A 2 5 ME TER STR IEC320 RCPT SAFETY CONTROLLED INSULATED PINS OPTION A3 AUSTRALIA 161 0154 00 1 CA ASSY PWR 3 1 0MM SQ 250V 1...

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