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Table of Contents
Troubleshooting
Related Manuals for UNI-T UTS1000 Series
Summary of Contents for UNI-T UTS1000 Series
- Page 1 Service Manual UTS1000/3000 Series Spectrum Analyzers...
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Page 2: Copyright Information
UNI-T repair center is located, UNI-T shall pay for the return of the product to the customer, if the product is delivered Returns to any other location are the customer's responsibility to pay all shipping charges, duties, taxes and any other charges. -
Page 3: Safety Information
Service Manual UTS1000/3000 Series Overview Safety Information This section contains information and warnings that must be observed to keep the instrument operating under appropriate safety conditions. In addition to the safety precautions indicated in this section, you must follow generally accepted safety procedures. Safety Precautions To avoid possible electric shock and personal safety, follow these guidelines: During all phases of operation, service, and repair of this instrument, the following general... - Page 4 Service Manual UTS1000/3000 Series Direct current Instrument direct current, please confirm the regional voltage range. Frame, chassis ground terminal. Grounding Protective earth terminal. Grounding Grounding Measure the ground terminal. The main power is off. The main power is turned on. Standby power, when the power switch is turned off, the instrument is not completely disconnected from the AC power source.
- Page 5 Service Manual UTS1000/3000 Series Environmental protection uses a period mark, this symbol indicates that within the indicated time, hazardous or toxic substances will not leak or be Environmental damaged. The product’s environmental protection use period is 40 years. friendly During this period, it can be used with confidence. It should enter the recycling system after the specified time.
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Page 6: Environmental Requirements
Service Manual UTS1000/3000 Series This device is intended for indoor use in a clean and dry environment with an ambient Working temperature range of 0 ℃ ～+40 ℃。 environment Do not operate the device in explosive, dusty or humid atmospheres. Do not operate in Avoid the risk of short circuit or electric shock inside the instrument, and do not a wet... -
Page 7: Connect The Power Supply
Make sure all instruments are properly grounded to prevent buildup of electrostatic charges. Check serial numbers and system information UNI-T is constantly improving its product performance, usability, and reliability. UNI-T service personnel can access the instrument serial number and system information. -
Page 8: Supported Products
Service Manual UTS1000/3000 Series 2. Foreword Supported Products This manual covers servicing the following products: UTS1015E、UTS1015B、UTS1015T、UTS1032B、UTS1032T； UTS3021B、UTS3036B、UTS3084B、UTS3084T； Check for specific product names in headers, titles, table or graph titles, or text at the top of the page. Material without any specific product designation applies to all products in the brochure. Where to find operational information For information on instrument installation, operation, and networking, refer to the help or user manual that came with your spectrum analyzer. -
Page 9: Front Panel Components
Service Manual UTS1000/3000 Series Front panel components As shown below: Parts List: Item Parts name Accessories description number M3 inner torque screw Use a T10 Torque screwdriver to remove 9 screws M3 inner torque screw Use a T10 Torque screwdriver to remove 41 screws Cable Use an SMA torque wrench to set the value at 1.0N.m Front cavity of radio... -
Page 10: Front Panel And Display
Service Manual UTS1000/3000 Series Front Panel and Display As shown below: Parts List Item number Parts name Accessories description Knob cap Use a T10 Torque screwdriver to remove 9 screws M3 inner torque screw Surface shell Use a T10 Torque screwdriver to remove 5 screws M3 inner torque screw LCD screen assembly screen bracket... -
Page 11: Maintenance
Service Manual UTS1000/3000 Series 4. Maintenance This section contains information needed to perform periodic and corrective maintenance on the instrument. Pre-discharge electrostatic discharge Before servicing this product, read the General Safety Summary and Service Safety Summary at the front of the manual, as well as the following ESD information. -
Page 12: Display Cleaning
Service Manual UTS1000/3000 Series External Checklist Items Examination Repair operation Enclosures, Front Panels and Cracks, scratches, deformation, hardware Repair or replace defective modules Covers damage Missing, damaged, or loose knobs Repair or replace missing or Front panel knob defective knobs Cracked housing, cracked insulation and Repair or replace defective connect... -
Page 13: Removal Tool
Service Manual UTS1000/3000 Series 5. Disassembling Removal tool Use the following tools to remove or replace modules in the spectrum analyzer. Item Number Tool name Description Torque screwdriver Model see disassembly steps Torque wrench Used to disconnect RF connectors or ports Prevents damage to the screen and knobs when removing the Upholstered grid... -
Page 14: Removing The Rear Cover
Service Manual UTS1000/3000 Series 3. For cleaning methods, see the "Maintenance" chapter. Note: When the front panel is placed downward, it is necessary to avoid the knob cap to avoid damage to the knob. Removing the rear cover The following procedure describes the removal and replacement of the rear cover. prerequisites: To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot •... - Page 15 Service Manual UTS1000/3000 Series Removing the rear cover assembly The following procedure describes the removal and replacement of the rear cover assembly. prerequisites: To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot • strap during installation, and use an antistatic mat in a tested antistatic environment. Remove the rear cover.
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Page 16: Removing The Power Module
Service Manual UTS1000/3000 Series 4. To reinstall, perform the above steps in reverse. Removing the power module The following procedure describes the removal and replacement of the rear cover assembly. To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot •... -
Page 17: Removing The Rf Board
Service Manual UTS1000/3000 Series Remove the shield. • Steps: 1. Disconnect the fan wire from the power board, as shown in the figure below: 2. Use a T10 Torque screwdriver to remove the screws that fix the fan on the rear cover assembly, as shown in the figure below: 3.To reinstall, reverse the above steps。... - Page 18 Service Manual UTS1000/3000 Series 2、 Use a torque wrench to remove the SMA screws, as shown in the figure below: 3、 Use a T10 Torque screwdriver to remove the 9 screws securing the cavity of the front cover assembly, as shown in the figure below: 4、...
- Page 19 Service Manual UTS1000/3000 Series 5. To reinstall, perform the above steps in reverse。 Removing the Digital IF Board The following procedure describes the removal and replacement of the digital IF board. To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot •...
- Page 20 Service Manual UTS1000/3000 Series 3. After removing the screws, you can take out the digital IF board; 4. To reinstall, perform the above steps in reverse. Disassemble the cover The following procedure describes the removal and replacement of the face-plate. To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot •...
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Page 21: Removing The Display
Service Manual UTS1000/3000 Series 3、 To reinstall, reverse the above steps. Removing the Display The following procedures describe display removal and replacement. To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot • strap during installation, and use an antistatic mat in a tested antistatic environment. Remove the rear cover. - Page 22 Service Manual UTS1000/3000 Series 3. To reinstall, perform the above steps in reverse. Removing the keyboard deck The following procedure describes the removal and replacement of the digital IF board. To prevent electrostatic damage to components, wear a properly grounded antistatic wrist and foot •...
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Page 23: Troubleshooting
Service Manual UTS1000/3000 Series 6. Trouble-shooting Service level This section contains information and procedures to help you determine if a power failure is an instrument problem. If the power fails, the instrument needs to be sent back to the Uni-Tech service center for repair, because other internal electronic components or modules cannot be replaced by the user. -
Page 24: Troubleshooting Flowchart
Check the ground resistance of each secondary power supply in the board Does the fan spin? After 2 minutes, is the display normal? Back to UNI-T Service Center Does the spectrum pass the power-on self-test? Stop Instruments.uni-trend.com 24 / 25... -
Page 25: Warranty Summary
If the product proves to be defective during the warranty period, UNI-T will repair and replace it according to the detailed provisions of the warranty. To arrange repairs or to obtain a full copy of the warranty, please contact your nearest UNI-T sales and repair office.