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Service Manual                                                                                                                                                                                                                            UTS1000/3000 Series 

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Preamble

 

Dear user: 

Hello!  Thank  you  for  purchasing  a  brand-new  Uni-Tech  instrument.  In  order  to  use  this  instrument 

correctly, please read the entire text of this user manual carefully before using this instrument, especially 

the part about "Safety Precautions". 

 
If you have read the entire text of this manual, it is recommended that you keep this manual in a safe 

place, place it with the instrument, or put it in a place where you can refer to it at any time so that you can 

refer to it in the future. 

 

Copyright Information 

 

UNI-T Uni-T Technology (China) Co., Ltd. All rights reserved. 
UNI-T products are protected by patent rights in China or other countries, including patents that have 

been obtained or are being applied for. 
The company reserves the right to change product specifications and prices. 
UNI-T  reserves  all  rights.  Licensed  software  products  are  owned  by  UNI-T  and  its  subsidiaries  or 

providers,  and  are  protected  by  national  copyright  laws  and  international  treaties.  Information  in  this 

document supersedes that in all previously published sources. 

UNI-T is a registered trademark of UNI-TREND TECHNOLOGY (CHINA) CO., LTD]. 
If the original purchaser sells or transfers the product to a third party within one year from the date of 

purchase, the warranty period shall be from the date the original purchaser purchases the product from UNI-

T or an authorized UNI-T distributor Accessories and fuses etc. are not covered by this guarantee within one 

year from the date of the warranty. 

If  the  product  proves  to  be  defective  within  the  applicable  warranty  period,  UNI-T  may,  at  its  sole 

discretion, either repair the defective product without charge for parts and labor, or replace the defective 

product with an equivalent product (at UNI-T’s discretion), UNI - The components, modules and replacement 

products used by T for warranty purposes may be brand new, or have been repaired to have the performance 

equivalent to new products, and all replaced components, modules and products will become the property 

of UNI-T. 

References below to "Customer" mean the person or entity claiming the rights under this Warranty. In 

order to obtain the service promised by this guarantee, the "customer" must notify UNI-T of the defect within 

the applicable warranty period, and make appropriate arrangements for the performance of the service, and 

the  customer  shall  be responsible for packing and  shipping the defective  product  to  UNI-T's designated 

repair  center,  prepay  the  freight  and  provide  a  copy  of  the  original  purchaser’s  proof  of  purchase  if  the 

product is to be shipped to a location within the country where the 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. 

This warranty does not apply to any defect, failure, or damage caused by accident, normal wear and tear 

of machine parts, use outside or improper use of the product, or improper or insufficient maintenance. UNI-

T has no obligation to provide the following services according to the provisions of this guarantee: 

 a) Repair damage caused by installation, repair, or maintenance of the product by non-UNI-T service 

representatives; 

 b) Repair of damage caused by misuse or connection with incompatible equipment; 
 c) Repair any damage or malfunction caused by using power supply not provided by UNI-T; 
 d) Repair of products that have been altered or integrated with other products if such alterations or 

integration would increase the time or difficulty of product repairs. 
 This  warranty  is  made  by  UNI-T  for  this  product  and  is  used  to  replace  any  other  express  or  implied 

warranties. UNI-T and its distributors refuse to make any implied warranties of merchantability or fitness for 

a particular purpose. In the event of a breach of this warranty, UNI-T is responsible for repairing or replacing 

defective products as the sole and exclusive remedy provided to the customer, regardless of whether UNI-T 

and  its  distributors  have  been  informed  in  advance  of  any  indirect,  special,  incidental  or  consequential 

damage, UNI-T and its dealers are not responsible for such damage. 

Содержание UTS1000 Series

Страница 1: ...Service Manual UTS1000 3000 Series Spectrum Analyzers...

Страница 2: ...ucts will become the property of UNI T References below to Customer mean the person or entity claiming the rights under this Warranty In order to obtain the service promised by this guarantee the cust...

Страница 3: ...rrectly or followed Do not proceed to the next step until the conditions of the indicated WARNING notice are fully understood and met Caution The Caution symbol indicates a hazard It alerts the user t...

Страница 4: ...eters away from Category III lines or 20 meters away from Category IV lines CAT III Primary circuits of large equipment directly connected to the distribution panel and circuit connections between the...

Страница 5: ...Before connecting the cable to the instrument briefly ground its inner and outer conductors to discharge static electricity The protectionlevel ofthisequipmentis 4kV for contactdischarge and 8kV for...

Страница 6: ...transportation and causing damage tothebuttons knobs or interfaces on the panel of the instrument please pay attention to the safety of transportation Maintain proper ventilation Poor ventilation can...

Страница 7: ...ion where it is located Please follow the steps below to install your AC power cord Verify that the power cord is not damaged When installing the instrument please allow enough space for you to connec...

Страница 8: ...ll 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 anal...

Страница 9: ...orque screwdriver to remove 41 screws 3 Cable Use an SMA torque wrench to set the value at 1 0N m 4 Front cavity of radio frequency board 5 RF PCBA board 6 RF board rear cavity 7 M3 inner torque screw...

Страница 10: ...rew Use a T10 Torque screwdriver to remove 9 screws 3 Surface shell 4 M3 inner torque screw Use a T10 Torque screwdriver to remove 5 screws 5 LCD screen assembly 6 screen bracket 7 M3 inner torque scr...

Страница 11: ...clean Inspection and Cleaning Describes how to inspect for dirt and damage It also describes how to clean the exterior or interior of the instrument Inspection and cleaning are performed as preventive...

Страница 12: ...e display surface Use only enough liquid to dampen the cloth or wipe Avoid excessive force which may damage the display surface Notice Incorrect cleaning agents or methods may damage the display Do no...

Страница 13: ...c electricity wear properly grounded anti static clothing wrist straps and foot straps effective anti static mats Remove the dust cover The following procedure describes the removal and replacement of...

Страница 14: ...static wrist and foot strap during installation and use an antistatic mat in a tested antistatic environment Steps 1 Remove all cables and power cords from the rear panel 2 Place the cushion flat on t...

Страница 15: ...allation and use an antistatic mat in a tested antistatic environment Remove the rear cover Steps 1 Use a T10 Torx screwdriver to remove the 10 upper and lower screws as shown in the figure below 2 Us...

Страница 16: ...ly Steps 1 Use a T10 Torque screwdriver to remove the 4 screws fixing the shielding cover as shown in the figure below 2 Remove the power cord and fan wire and then use a T10 Torque screwdriver to rem...

Страница 17: ...gure below 3 To reinstall reverse the above steps Removing the RF Board The following procedure describes the removal and replacement of the RF board To prevent electrostatic damage to components wear...

Страница 18: ...crews 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 Take out the cavity and use a T1...

Страница 19: ...ponents 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 Steps 1 Pull out the two connect...

Страница 20: ...of the face plate 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 environme...

Страница 21: ...tistatic wrist and foot strap during installation and use an antistatic mat in a tested antistatic environment Remove the rear cover Remove the RF board Removing the digital IF board Remove the cover...

Страница 22: ...F board 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 t...

Страница 23: ...and possible causes This list is not exhaustive but it can help eliminate quick fix issues such as a loose power cord For more detailed troubleshooting see Trouble shooting Flowchart Symptoms Possible...

Страница 24: ...m Is the power cord connected to the spectrum Is the power cord connected to the AC outlet Does the AC outlet have AC power Replace the power cord no yes yes Connect the power cord Does the power butt...

Страница 25: ...for the guarantees provided in this summary or other applicable warranty certificates UNI T doesnot provideanyotherexpress or implied guarantees including but not limited toany implied guarantees of...

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