background image

Service Manual                                                                                                                                                                                                                            UTS1000/3000 Series 

Instruments.uni-trend.com                                                                                                                                                                    

 

6

 / 

25

 

 

Working 

environment 

This device is intended for indoor use in a clean and dry environment with an ambient 
temperature range of

 

+40 

 

Do not operate the device in explosive, dusty or humid atmospheres. 

Do not operate in 
a wet 

environment 

Avoid  the  risk  of  short  circuit  or  electric  shock  inside  the  instrument,  and  do  not 

operate the instrument in a humid environment. 

Do not operate in 
a flammable and 

explosive 

environment 

To avoid instrument damage or personal injury, please do not operate the instrument 

in a flammable and explosive environment. 

Caution

 

Abnormal 

situation 

If you suspect that the product is malfunctioning, please contact the maintenance 

personnel authorized by Unilever for testing; 
The  relevant  person  in  charge  of  Unitech  must  carry  out  any  maintenance, 

adjustment, or parts replacement. 

Cooling 

requirements 

Do not block the ventilation holes located on the sides and rear of the device; 
Do not allow any foreign objects to enter the device through ventilation holes, etc.; 
Ensure adequate ventilation, leaving at least 15 cm of clearance on the sides, front, 

and rear of the unit. 

Pay attention to 

handling safety 

In order to prevent the instrument from slipping during transportation and  causing 
damage to the buttons, knobs, or interfaces on the panel of the instrument, please pay 

attention to the safety of transportation. 

Maintain proper 

ventilation 

Poor ventilation can cause the temperature of the instrument to rise, which can cause 

damage to the instrument. 
Keep well-ventilated when in use, and check the vents and fans regularly. 

Please keep it 

clean and dry 

To avoid dust or moisture in the air from affecting the performance of the instrument, 

please keep the surface of the product clean and dry. 

Notice

 

Calibration 

The recommended calibration cycle is one year. Calibration should only be 

performed by suitably qualified personnel. 

 

Environmental requirements

 

This instrument is suitable for the following environments: 

 

Indoor use 

 

Pollution Degree 2 

 

When operating: the altitude is lower than 3000 meters; when not operating: the altitude is lower than 

15000 meters price 

 

Under the premise of no special instructions, the operating temperature is 0 to 

40 

; the storage 

temperature is -20 to 

70 

 

 

Humidity operates as Below +35

 ≤90% relative humidity, non-operating humidity is +35

+40

 

≤60% relative humidity 

There are vents on the rear panel and side panels of the instrument, please keep the air circulation through 

the  vents  of  the  instrument  case.  Do  not  place  the analyzer side-by-side  with  any  other  instrument that 

requires side-by-side ventilation. Make sure that the exhaust port of the first instrument is away from the air 

Summary of Contents for UTS1000 Series

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Reviews: