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Related Manuals for UNI-T MSO3000E Series
Summary of Contents for UNI-T MSO3000E Series
- Page 1 Service Manual MSO/UPO3000E Serials products Service Manual MSO/UPO3000E Serials products Instruments.uni-trend.com 1 / 27...
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Page 2: Table Of Contents
Service Manual MSO/UPO3000E Serials products Table of contents Important Safety Information General Safety Summary Service Security Summary Terms in the manual Product terms Symbols on the product oreword Supported Products where to find operational information heory of operation power supply interface board motherboard Keyboard deck and display... -
Page 3: Important Safety Information
Service Manual MSO/UPO3000E Serials products Important Safety Information This manual contains information and warnings that the user must follow to ensure safe operation and keep the product in a safe condition. General Safety Summary Use product only as specified. Review the following safety precautions to avoid injury and prevent damage to this product or any products related to it. - Page 4 Service Manual MSO/UPO3000E Serials products Power off The power cord disconnects the product from the power source. See location description. Do not place equipment in a location where access to the power cord is difficult; it must always be accessible to the user for a quick disconnect if required.
- Page 5 Service Manual MSO/UPO3000E Serials products Provide proper ventilation For details on installing the product so that it has proper ventilation, refer to the installation instructions in the manual. Slots and openings are provided for ventilation and must not be covered or otherwise obstructed.
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Page 6: Service Security Summary
Service Manual MSO/UPO3000E Serials products Warning: To prevent electric shock, do not exceed the maximum measured value or maximum float voltage of the oscilloscope input Service Security Summary The Service Security Summary section provides additional information needed to perform product services securely. Only qualified personnel should perform service procedures. -
Page 7: Foreword
Service Manual MSO/UPO3000E Serials products Foreword This manual contains service information for the instrument. Before servicing the product, please read the General and Service Safety Summary. Be sure to read the descriptions of all programs. These presentations provide important information required for the correct, safe, and efficient performance of the Services. -
Page 8: Power Supply
Service Manual MSO/UPO3000E Serials products Power supply The power board converts the AC line voltage to the secondary power required by all internal circuits. Interface board The interface board is mainly used for interface expansion on the rear panel, and the included interfaces include USB port, Ethernet port (LAN), VGA display port, external trigger BNC connector, AUX OUT BNC connector, signal source output channel 1 BNC connector, signal Source output channel 2 BNC connector Motherboard... -
Page 9: Check And Clean
Service Manual MSO/UPO3000E Serials products 2. Transport and store static-sensitive modules in their static-protective containers or on metal rails. Label any packages that contain electrostatic sensitive boards. 3. When handling these modules, discharge static voltage from your body by wearing a grounded antistatic wrist strap. 4. -
Page 10: Display Cleaning
Service Manual MSO/UPO3000E Serials products Display cleaning Clean the display surface by gently wiping the display with a cleanroom wipe or non-abrasive cleaning cloth. If the display is very dirty, dampen a cloth with distilled water, a 75% isopropyl alcohol solution, or a standard glass cleaner, and then gently wipe the display surface. - Page 11 Service Manual MSO/UPO3000E Serials products Table 2: Equipment Required for Removal and Replacement serial number tool name describe PH1 cross tip For removing instrument screws. 9/16 inch open end wrench For removing standoffs Proper anti-static working To prevent electrostatic damage to components while working on environment the instrument, wear a properly grounded anti-static wrist and foot strap, and use an anti-static mat in a tested anti-static...
- Page 12 Service Manual MSO/UPO3000E Serials products 2. Remove the other two screws from the bottom of the case near the feet, and remove the rear cover. 3. To reinstall, reverse the above steps. Use a PH1 Phillips-tip screwdriver to secure the screws. Disassembled components The following procedure describes the removal and replacement of the rear assembly.
- Page 13 Service Manual MSO/UPO3000E Serials products Steps: 1. Use a PH1 Phillips-tip screwdriver to remove the upper four screws. 2. Use a PH1 Phillips-tip screwdriver to remove the lower three screws. 3. Use a PH1 Phillips-tip screwdriver to remove the two screws on the left and right sides. Instruments.uni-trend.com 13 / 27...
- Page 14 Service Manual MSO/UPO3000E Serials products 4. With the rear assembly open manually remove the coax and power cables connected to the motherboard. 5. Flatten the front and rear components, and manually remove the connections of the coaxial cable on the signal source sub-board and the FPC cable on the main board.
- Page 15 Service Manual MSO/UPO3000E Serials products Remove the power module The following procedure describes the removal and replacement of a power module. prerequisites: To prevent electrostatic damage to components while working on the instrument, wear a properly grounded anti- • static wrist and foot strap, and use an anti-static mat in a tested anti-static environment. Remove the rear cover.
- Page 16 Service Manual MSO/UPO3000E Serials products 3. Remove the power cable and the fan power cable, then use a PH1 Phillips screwdriver to remove the four screws on the power module, and finally remove the power module. 4. To reinstall, reverse the above steps. Remove the fan The following procedures describe fan removal and replacement.
- Page 17 Service Manual MSO/UPO3000E Serials products 2. Use a PH1 Phillips-tipped screwdriver to remove the four screws from the back of the rear chassis frame and remove the fan. 3. To reinstall, reverse the steps. Remove the interface board The following procedure describes the removal and replacement of the interface board. Prerequisites: To prevent electrostatic damage to components while working on the instrument, wear properly grounded anti- •...
- Page 18 Service Manual MSO/UPO3000E Serials products Remove the rear assembly. • Steps: 1. Use 9/16" open-end wrench to remove the four BNuts and washers for NC. 2. Use a PH1 Phillips-tipped screwdriver to remove the two screws, and then take out the interface board. 3.
- Page 19 Service Manual MSO/UPO3000E Serials products Remove the rear assembly. • Steps: 1. Use a PH1 Phillips screwdriver to remove one screw, and then take out the signal source daughter board. 2. To reinstall, reverse the steps. Remove the front cover The following procedure describes the removal and replacement of the front cover.
- Page 20 Service Manual MSO/UPO3000E Serials products 2. To reinstall, reverse the steps. Remove the display The following procedures describe display removal and replacement. Prerequisites: To prevent electrostatic damage to components while working on the instrument, wear properly grounded anti- • static wrists and feet, and use an anti-static mat in a tested anti-static environment. Remove the rear cover.
- Page 21 Service Manual MSO/UPO3000E Serials products 3. To reinstall, reverse the steps. Remove the keypad The following procedures describe display removal and replacement. Prerequisites: To prevent electrostatic damage to components while working on the instrument, wear properly grounded anti- • static wrists and feet, and use an anti-static mat in a tested anti-static environment. Remove the rear cover.
- Page 22 Service Manual MSO/UPO3000E Serials products 2. Use 9/16" open end wrench to remove the four B's of the front panel assemblyNuts and washers for NC. 3. Use a PH1 Phillips-tip screwdriver to remove the ten screws that attach the motherboard to the front case assembly, and use needle-nose pliers to remove one copper post.
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Page 23: Service Level
Service Manual MSO/UPO3000E Serials products 4. To reinstall, follow the steps above. Troubleshooting Notice: Before performing this or any other procedure in this manual, read the General Safety Summary and Service Safety Summary at the beginning of this manual. To prevent injury to service personnel or damage to electrical components, read the information on ESD protection. -
Page 24: Required Equipment
Does the fan spin? After 2 mi nutes, is the display normal? Back to UNI-T Servi ce Center Does the oscilloscope pass the power-on se lf-test? Stop Figure 2: Main troubleshooting tree Instruments.uni-trend.com... -
Page 25: Product Composition Explosion Diagram
Service Manual MSO/UPO3000E Serials products Post maintenance After removing and replacing the power module, if the instrument fails the performance verification test, it must be returned to the Uni-Tech Service Center for adjustment. Product Composition Explosion Diagram The product is decomposed into three parts: front cover, product module assembly and rear cover。 Figure 3: Exploded View of Backshell Assembly with Handle and Feet Table 4: List of product components Part Name... - Page 26 Service Manual MSO/UPO3000E Serials products Front assembly Figure 4: Exploded View of Front Components Table 5: List of Front Component Composition Part Name describe index number Display screen HD display Display mount Used to secure the display to the front assembly chassis Display adapter Contains a display wage transfer board and FPC cable...
- Page 27 Service Manual MSO/UPO3000E Serials products Rear assembly Figure 5: Rear Chassis Assembly with Power Supply and Fan - Exploded View Table 6: List of rear components Part Name describe index number Power supply Protect people from electric shock cover Power module Power supply for the whole machine, AC power input Rear frame Provides an interface fixing point for the rear panel of the product...
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