UNI-T UPO1000X Series Service Manual Download

Page: 28 / 31

Service Manual

UPO1000X Series

Instruments.uni-trend.com

28 / 31

Figure 2 Common Problem Troubleshooting Flowchart

After Maintenance

If the instrument cannot pass the performance verification test after remove and replace the power module, please

send the instrument back to UNI-T Service Center for adjustement.

Exploded View of Product

The product is divided into three parts: front cover, product module and rear panel

Figure 3 Exploded View of Rear Module with Handle and Stand

Summary of Contents for UPO1000X Series

Page 1: ...Service Manual UPO1000X Series 1 31 Service Manual UPO1000X Series products...

Page 2: ...on Information 7 Theory of Operation 7 Power Supply 8 Main Board 8 Keyboard and Display Screen 9 Maintenance 9 ESD Prevention 9 Inspection and Cleaning 9 Exterior Cleaning 10 Screen Cleaning 10 Return...

Page 3: ...nly use the special power cord for the instrument approved by the local and state standards Do not use the attached power cord to other product Use the voltage setting properly Before power on please...

Page 4: ...operates incorrectly If in doubt about safety of the product turn it off and disconnect the power cord Clearly mark the product to prevent its further operation Before use inspect voltage probes test...

Page 5: ...o the measurement product before connecting the probe to the circuit under test Connect the probe reference lead to the circuit under test before connecting the probe input Disconnect the probe input...

Page 6: ...ty after repair Always recheck ground continuity and mains dielectric strength after performing a repair Terms in the manual These terms may appear in this manual Warning Warning statements identify c...

Page 7: ...roduct This manual contains the service information for UPO1204X UPO1104X and UPO1054X Check the header on top of page headline table or figure or the specified product name in this manual Materials w...

Page 8: ...to a trigger circuit Analog Front End All analog and digital input are routing to the analog front end Analog channel can be magnified or attenuated via front end circuit and output to the acquisition...

Page 9: ...tive 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 antista...

Page 10: ...nd 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 Brok...

Page 11: ...disassembly and replacement procedure will require the entire instrument to be returned to the UNI T Service Center for repair Warning Before executing the process or other process please read the Saf...

Page 12: ...ironment Steps 1 Pull out the knob module directly from the front shroud by hands Hands force is enough to remove the knobs module Do not use pliers 2 Align the knobs to axle indentation for reinstall...

Page 13: ...vice Manual UPO1000X Series Instruments uni trend com 13 31 2 Use T8 quincunx screwdriver to remove two screws from handle 3 Remove two screws from the bottom of case and then to take off the rear pan...

Page 14: ...Mdule The following process is describes the removal and replacement of rear module Precondition To prevent static damage to the components while working on the instrument wear properly grounded anti...

Page 15: ...ervice Manual UPO1000X Series Instruments uni trend com 15 31 2 Use 9 16 inch open end wrentch to remove two BNC nuts and washers 3 Open the rear moduel and plug out the power cable from the mainboard...

Page 16: ...Service Manual UPO1000X Series Instruments uni trend com 16 31 4 Put down the front module and rear module and plug out FPC cable from the mainboard...

Page 17: ...l and replacement of power module Precondition To prevent static damage to the components while working on the instrument wear properly grounded anti static wristbands and foot bands and use anti stat...

Page 18: ...nd fan s power cable use T10 quincunx screwdriver to move three screws on power module and take down the power module 3 If you want to reinstall the rear panel execute the steps in reverse Remove Fan...

Page 19: ...nt wear properly grounded anti static wristbands and foot bands and use anti static pads in a tested anti static environment Take down the rear panel Remove the rear module Remove the power cover Step...

Page 20: ...s the removal and replacement of front panel Precondition To prevent static damage to the components while working on the instrument wear properly grounded anti static wristbands and foot bands and us...

Page 21: ...he rear panel execute the steps in reverse Remove Screen The following process is describes the removal and replacement of screen Precondition To prevent static damage to the components while working...

Page 22: ...truments uni trend com 22 31 1 Use T10 quincunx screwdriver to move four screws 2 Flip the screen and fixed support plug out FPC cable between screen adapter board 3 If you want to reinstall the rear...

Page 23: ...ver to move seven screws and plug out the keyboard and connected cable 2 If you want to reinstall the rear panel execute the steps in reverse Remove Mainboard The following process is describes the re...

Page 24: ...screwdriver to move eleven screws 3 If you want to reinstall the rear panel execute the steps in reverse Troubleshooting Caution Before performing this or any other procedure in this manual read the...

Page 25: ...owing table to isloate the possible faults The table is not exhaustive but it can help you to eliminate quick fix issues such as the power cable is loose For more details please see Troubleshooting Fl...

Page 26: ...irm 1 Wheter power cable is connected to the oscilloscope 2 Wheter power cable is connected to the AC power socket 3 Wheter the AC power socket have AC power 4 Replace power cable Whether power key is...

Page 27: ...en is display normally after 2 minutes End Check keyboard s connection wire Reinstall keyboard s connection wire Send back to UNI T Service Center Yes NO NO Yes Whether the oscilloscope is power on an...

Page 28: ...instrument cannot pass the performance verification test after remove and replace the power module please send the instrument back to UNI T Service Center for adjustement Exploded View of Product The...

Page 29: ...ponents No Parts Name Description 1 Front Panel Front panel contains the knobs 2 Produt s Module Product s module contains the front module and the rear module 3 Rear Panel Front Module Figure 4 Explo...

Page 30: ...hine interaction 3 Keyboard Module Include keyboard and FPC cable 4 Front Module Fixed mainboard display screen keyboard module 5 Mainboard Core board Rear Module Figure 5 Exploded View of Rear Panel...

Page 31: ...Service Manual UPO1000X Series Instruments uni trend com 31 31 2 Power Module Power supply system for AC power input 3 Rear Module Fixed interface 4 Fan Heat dissipation...

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