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SIGLENT 

SDS1000CFL Service Manual 21 

 

Verify Test Results 

 
 

To verify whether a test passes, whether the readings are within the limits, it is 
necessary  for  you  to  record  the  readings  in  the  Performance  Test  on  Test 
Record. 

 
 

Self Test   

 
 

This internal procedure is automatically performed every time the oscilloscope 
is powered on. No test equipments are required. Verify that no error messages 
are displayed before continuing with the procedure. 

 
 

Self Calibration 

 
 

You must perform the Self Calibration operation described in chapter 2. If the 
environmental temperature changes by more than 5

°

, you must perform the 

Self Calibration operation again.   

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание SDS1000CFL Series

Страница 1: ...Service Manual SDS1000CFL Series Digital Oscilloscope 2014 SIGLENT TECHNOLOGIES CO LTD SM01012 E02B ...

Страница 2: ......

Страница 3: ...in this publication replaces all previously corresponding material Any way of copying extracting or translating the contents of this manual is not allowed without the permission of SIGLENT SIGLENT will not be responsible for losses caused by either incidental or consequential in connection with the furnishing use or performance of this manual as well as any information contained Product Certificat...

Страница 4: ...oduct This product is grounded through the protective terra conductor of the power line To avoid electric shock the grounding conductor must be connected to the earth Make sure the instrument is grounded correctly before connecting its input or output terminals Connect the Probe Properly Do not connect the probe ground lead to a high voltage since it has the isobaric electric potential as ground O...

Страница 5: ... Operate in Wet Damp Conditions To avoid electric shock do not operate the instrument in wet or damp condition Do Not Operate in an Explosive Atmosphere To avoid injuries or fire hazards do not operate in an explosive atmosphere Safety Terms and Symbols Terms on the Product These terms may appear on the product DANGER Indicates an injury or hazard that may immediately happen WARNING Indicates an i...

Страница 6: ...ation 21 To verify DC Gain Accuracy 22 To verify Bandwidth 23 To verify Time Base Accuracy 25 To verify Trigger Sensitivity 26 Adjusting Procedures 28 Warming up 28 Self calibration 28 Required Equipments 28 Software Installation 28 Adjusting steps 29 Assembly Procedures 30 Security Consideration 30 List of Modules 30 Required Tools 31 Disassembly Procedures 31 Removing the Rear Panel 33 Removing ...

Страница 7: ...lures 45 ESD Precautions 45 Required Equipments 45 Main Board Drawing 46 Troubleshooting Flowchart 47 Check the Power Supply 48 Check the Main Board 49 Check the Display Module 50 Handling General Hardware Failures 51 Maintenance 52 Maintain summary 52 Inspecting and Care 52 General Inspecting 52 General Care and Cleaning 53 Replaceable Parts 54 Contact SIGLENT 55 ...

Страница 8: ......

Страница 9: ...0MHz 2GS s 24kpts SDS1304CFL 4 300MHz 2GS s 24kpts The volume of the oscilloscope is cabinet and it is portable 7 Color TFT LCD display 2 4 channels Bandwidth 70MHz 300 MHz Single real time sampling rate is 2GSa s Equivalent sampling rate is 50GSa s Memory depth is 24Kpts Trigger types Edge Pulse Video Slope and Alternative Unique Digital Filter function and Waveform recorder function Auto measure...

Страница 10: ...st perform the Do Self Cal operation accessible through the Utility menu if the operating temperature changes by more than 5 C The oscilloscope must be within the factory calibration interval of one year All specifications are guaranteed unless noted typical Table 1 2 Oscilloscope specifications Inputs Input Coupling AC DC GND Input Impedance 1MΩ 2 18Pf 3Pf 50Ω 2 Maximum input voltage 400Vpk CAT I...

Страница 11: ...for 2mv div 3 reading offset 1 offset 0 2div 2mv 100mv div DC Measurement Accuracy 3 reading offset 1 offset 0 2div 100mv 100mv div 5 0ns SDS1072CFL 1074CFL 3 5ns SDS1102CFL 1104CFL 1 7ns SDS1202CFL 1204CFL Rise Time 1 2ns SDS1302CFL 1304CFL Math Operation FFT Window mode Hanning Hamming Blackman Rectangle FFT Sampling points 1024 Bandwidth Limit 20MHz Trigger System Trigger Types Edge Pulse Video...

Страница 12: ...1division DC 10MHz 1 5divisions 10MHz BWmax EXT 200mv DC 10MHz 300mv 10MHz BWmax Trigger Sensitivity EXT 5 1Vpp DC 10MHz 1 5Vpp 10MHz BWmax CH1 CH2 CH3 CH4 0 4div volts div within 4divisions from center of screen EXT 6 of setting 40mv Trigger Level Accuracy EXT 5 6 of setting 200mv Trigger Location Pre trigger Memory depth 2 sampling rate Delay Trigger 268 04div Holdoff Range 100ns 1 5s Edge Trigg...

Страница 13: ... 2min 5min 10min 15min 30min 1hour 2hour 5hour Skin Classical Modern Tradition Succinct Waveform Interpolation Sin x x Screen Display Normal Invert Language Simplified Chinese Traditional Chinese English Arabic French German Russian Portuguese Japanese Korean Italian Power Supply Input Voltage 100 240 VAC CAT II Frequency 45Hz to 440Hz Power 50VA Environments Temperature Operating 10 to 40 Not ope...

Страница 14: ... kinds of checks by which you can verify whether the oscilloscope is working correctly Power on Inspection The normal operating voltage for SDS1000CFL series digital oscilloscope is in range of 100 240VRMS with frequency from 45Hz to 440Hz Connect the power line to the socket on the rear panel of the oscilloscope Figure 2 1 Connect power line Note to avoid electric shock make sure that the instrum...

Страница 15: ...t Off CH1 CH2 CH3 CH4 Filter Off Operation FFT Operation Source CH1 Window Hanning FFT Zoom 1X Scale dBVrms MATH Display Split Delay Off Sec Div 500us Position 0s HORIZONTAL Window Zone 50us Type Off Source CH1 Voltage 3 2 divisions CURSOR Time 8 divisions Acquisition Sampling Sinx x Sinx ACQUIRE Mode Real Time Type Vectors Persistence Off Intensity 60 Brightness 40 Format YT DISPLAY Menu Display ...

Страница 16: ...rce CH1 Condition at positive pulse Set Width 1 00ms Mode Auto Pulse TRIGGER Coupling DC Source CH1 Polarity Negative Sync All lines Standard NTSC Video TRIGGER Mode Auto Source CH1 Condition at Rising slope Time 1 00ms Mode Auto Slope TRIGGER Vertical The higher level Source CH1 Mode Edge Coupling DC Alternative Slope Rising ...

Страница 17: ...lligator clip of the probe to the Ground Terminal on the front panel firstly and then use the probe to connect CH1 BNC connector and the Compensation Signal Output Terminal 3 Press AUTO 4 Observe waveform on the screen The displaying should be a square waveform as shown in the figure below in normal condition Under compensated over Compensated correctly compensated 5 If the waveform does not show ...

Страница 18: ...m Single cycle sine Display single period waveform Rising edge Display the rising edge of waveform Falling edge Display the falling edge of waveform Undo Setup Recall the previous setup of oscilloscope Four parameters will display on the screen after the stability of auto setting Which channel to select as the trigger source when several channels are on based on the following conditions The input ...

Страница 19: ... as the following steps Steps 1 Disconnect any probes or cables from all BNC connectors 2 Press the button UTILITY and then select the Do Self Cal option to enable the Self Calibration function The oscilloscope will turn to interface below Figure 2 3 Calibration interface 3 Press SINGLE to begin Figure 2 4 Calibration interface 4 After the Self Calibration completed Press RUN STOP key to exit Note...

Страница 20: ...for you to test the interfaces USB Host Test To test if the USB Host interface works normally Tools A SDS1000CFL digital oscilloscope An U disk Steps 1 Insert an U disc into the USB Host interface on the front panel of the oscilloscope 2 Quickly a prompt message USB Flash Drive Plug In appears on the screen which suggests the U disc has been recognized successfully Figure 2 5 USB drive in interfac...

Страница 21: ...SIGLENT SDS1000CFL Service Manual 13 Figure 2 6 File save interface 4 Remove the U disc and quickly a prompt message USB Flash Drive Plug Out appears ...

Страница 22: ...L Steps 1 Set up EasyScopeX software in a computer and Install the driver step by step following the instructions 2 Connect the oscilloscope and the computer using an USB cable and then select USBTMC in Back USB menu under the UTILITY menu of the oscilloscope 3 Run EasyScopeX Click Add Device at the upper left corner of the EasyScope interface and immediately displays the USBTMCDeviceDLG interface...

Страница 23: ... NI Visa software Steps 1 Set up NI Visa software in a computer and Install the driver step by step following the instructions 2 Press UTILITY Page3 4 IP Setting input usable IP Address and Subnet Mask Figure 2 7 IP Setting interface 3 Connect the oscilloscope and the computer using an LAN cable via LAN interface Open NI Visa and then add the IP above step by step automatically according to its in...

Страница 24: ... 8 LAN interface Figure 2 9 NI Visa Interface 4 Double click the TCPIPO under Network Device to turn to the following interface Figure 2 10 NI Visa Interface 5 Click Open VISA Test Panel on the above interface then displays the following interface ...

Страница 25: ...ice Manual 17 Figure 2 11 viWrite Interface 6 Input command like IDN n under viWrite interface and click Execute then click viRead to turn to viRead interface and click Execute to read the command Figure 2 12 viRead Interface ...

Страница 26: ...e signal to CH1 using the waveform Generator through a BNC cable then press AUTO on the front panel of the Oscilloscope 3 Press UTILITY button page3 4 Pass Fail set the submenu items under Pass Fail menu as below Table 2 3 Pass Fail submenu items Submenu Setting Enable Test On Source CH1 Msg Display On Output Pass Stop On Output Off Mask setting X Mask Y Mask 0 24div arbitrary 0 24div arbitrary No...

Страница 27: ...menu of Mask setting it is allowed to pass Otherwise it fails to pass 4 Connect the Pass Fail BNC terminal of CFL oscilloscope to a channel BNC terminal of another oscilloscope 5 If the Pass Fail interface works normally then you will see a pulse wave as below displays on another oscilloscope by properly adjusting its time base and voltage scale Otherwise there might be errors to the interface Fig...

Страница 28: ...up 30 minutes before testing Here are the required equipments for the test Table 3 1 Test equipments Description Critical Specifications Example DC Voltage Source 6mv 30v 0 1 accuracy Sine Wave Generator 10Hz 300MHz 0 1 amplitude accuracy FLUKE 9500B Calibrator BNC Cable BNC m to BNC m About 1m long 50Ω Feedthrough Termination 50Ω BNC f to BNC m Here is the connecting between FLUKE 9500B and the o...

Страница 29: ...rd Self Test This internal procedure is automatically performed every time the oscilloscope is powered on No test equipments are required Verify that no error messages are displayed before continuing with the procedure Self Calibration You must perform the Self Calibration operation described in chapter 2 If the environmental temperature changes by more than 5 you must perform the Self Calibration...

Страница 30: ...g 6 Vsub Vpos Vneg calculate Vsub and then check to see if it is in the accuracy limits range below 7 Set the Volts Div of channel 1 from 2v div to 2mv div and then record the reading in the same way as step 4 to 6 8 Set DC voltage source output level to 0v 9 Disconnect the connection of channel 1 10 Check the other channels in the same way as step 1 to 9 Table 3 2 DC Gain Accuracy Volt Div DC vol...

Страница 31: ...0Ω 1MΩ SDS1302CFL 2 300MHz 50Ω 1MΩ SDS1304CFL 4 300MHz 50Ω 1MΩ For oscilloscope with 70MHz or 100MHz bandwidth the 50Ω feedthrough terminator need to be added to the end of BNC cable connected to FLUKE 9500B In addition for oscilloscope with 200MHz or 300MHz bandwidth you could also add the 50Ω feedthrough terminator by setting the Input Impedance to 1MΩ To test the bandwidth at 200mV div and 100m...

Страница 32: ...ct waveform 8 The Vpp measurement of the waveform will decrease as the frequency increases check the frequency which is defined as the bandwidth until the Vpp measurement is closest to 0 848v 9 Disconnect the test connection 10 Check the other channels in the same way as step 1 to 9 For test at 100mV div please perform the same operation as that at 500mV div except for the initial amplitude and am...

Страница 33: ...0B please refer to corresponding information in bandwidth verification above Time Base Accuracy Freq 10M 50ppm Steps 1 Connect selected channel of the oscilloscope to the Sine Wave Generator of FLUKE 9500B 2 Set the frequency of 9500B to 10MHz 3 Set the oscilloscope Volts Div to 500mv div 4 Set the oscilloscope Sec Div to 1ms div 5 Press MEASURE button on the front panel of the oscilloscope to dis...

Страница 34: ...ger LEVEL button to move the waveform to the screen center 7 Adjust the Trigger LEVEL within the waveform range to check if there is stable trigger 8 Set the oscilloscope Sec Div to 50ns div 9 Set the frequency of the Sine Wave Generator to 10MHz 10 Set the amplitude of the Sine Wave Generator to 500mVpp so that the Vpp measurement of the oscilloscope is approximately 500mv 11 Press Trigger LEVEL ...

Страница 35: ...is approximately 750mv 16 Press Trigger LEVEL button to move the waveform to the screen center 17 Adjust the Trigger LEVEL within the waveform range to check if there is stable trigger 18 Disconnect the test connection 19 Check the other channels in the same way as step 1 to 18 ...

Страница 36: ... internal routine which uses internally generated signals to optimize circuits that affect channel sensitivity offset and trigger parameters to optimize the signal path in the oscilloscope Let the oscilloscope warm up before performing this procedure Required Equipments PC Inter Pentium processor Windows XP operating system USB interface Microsoft Office Excel 2003 NI GPIB Card and corresponding N...

Страница 37: ...routine 5 Connect the oscilloscope and FLUKE as figure above using the specified probe provided as accessory BNC T connectors and BNC cables 6 Open the EasyTest software 7 Click open under the file menu and then select the corresponding Tcl script 8 Click the test button to perform the adjusting procedures Note The adjusting procedures include four items as the following Debugvolt tcl indicates ad...

Страница 38: ...ersonnel should perform the disassembly procedures Whenever possible disconnect the power before you begin to remove or replace the modules Otherwise any personal injuries or damages to the components may occur Avoid Electrical Shock Hazardous voltages exist on the LCD module and power supply module To avoid electrical shock you should firstly disconnect the power cord from the oscilloscope and th...

Страница 39: ... 8 Fan Module 9 Keypad Module 10 Display Module Required Tools Use these tools to remove or replace the modules in the oscilloscope T6 T10 and T20 TORX drivers 5 8 inch and 9 32 inch socket drivers Flat head screw driver Disassembly Procedures This section describes how to remove and install the modules listed above in the oscilloscope in detail Complete disassembly will be best achieved through t...

Страница 40: ...Figure 5 1 Removing the Front Panel Knobs Removing steps Remove each front panel knob by firmly grasping the knob with pliers if necessary and pulling it away from the front panel To install the Front Panel Knobs please operate as the reverse steps Big knobs Small knobs ...

Страница 41: ...cope face down on a soft surface such as an anti static mat 2 Remove the four screws located on the rear panel Tilt the handle to gain better access to the top two screws 3 Lift the rear panel up and off carefully To install the rear panel please operate as the reverse steps The rear panel screw The rear panel handle The rear panel ...

Страница 42: ...ottom down on a soft surface such as an anti static mat 2 Remove the eight screws located on the top metal cover 3 Since the edge of the top metal cover is sharp you should lift the top metal cover up and off carefully to avoid personal injury To install the top metal cover please operate as the reverse steps Top metal cover Top metal cover screw ...

Страница 43: ...our screws located on the rear metal cover 3 Disconnect the display cable connected to display module and the power cable connected to main board module from power supply module 4 Since the edge of the rear metal cover is sharp you should lift the rear metal cover up and off carefully to avoid personal injury To install the rear metal cover please operate as the reverse steps Rear metal cover Rear...

Страница 44: ...SIGLENT 36 SDS1000CFL Service Manual Removing the Power Supply Module Figure 5 5 Removing the power supply cover Power supply cover Power supply cover screw Rear metal cover ...

Страница 45: ...e the rear metal cover on a soft surface such as an anti static mat 2 Remove the five screws located on the edge of the rear metal cover 3 Lift the power supply shield up and off carefully To install the power supply module please operate as the reverse steps Power supply board Power supply board screw ...

Страница 46: ... from the main board module 3 Remove the four screws located on the interface module 4 Remove the six screws located on the edge of the metal shelf 5 Separate the interface module from the bottom of the oscilloscope and the metal shelf from the front panel then lift it up and off carefully to avoid personal injury from the sharp edge of the metal shelf To install the rear panel please operate as t...

Страница 47: ... on a soft surface such as an anti static mat 3 Remove the six screws located on the edge of the main board 4 Separate the main board from the metal shelf and then lift it up and off carefully to avoid personal injury from the sharp edge of the metal shelf To install the main board please operate as the reverse steps Main board screw Main board ...

Страница 48: ...ope face down on a soft surface such as an anti static mat 2 Disconnect the fan power cable from the main board module 3 Remove the four screws located on the fan module 4 Separate the fan from the metal shelf and then remove it away carefully To install the fan module please operate as the reverse steps Fan module Fan module screw ...

Страница 49: ... down on a soft surface such as an anti static mat 2 Remove the front panel module from the keypad which is made of plastic material to avoid touching the electrical contacts 3 Separate the keypad from the front cover and then remove it carefully To install the keypad please operate as the reverse steps Front cover Keypad circuit board Soft keypad ...

Страница 50: ...n anti static mat 2 Remove the six screws located on the edge of the display module 3 Disconnect the display cable from the main board module 4 Separate the display module from the front cover and then lift it up and off carefully to avoid damage to the LCD screen To install the display module please operate as the reverse steps Display module Display module screw Front cover ...

Страница 51: ...4 Check if there are signal generated from the item under test You can connect the probe compensation signal to the problematic channel to determine the reason to the problem 5 Resample the signal 3 The voltage amplitude measured is higher or lower than the actual value this error usually occurs in use of probe 1 Check if the attenuation coefficient of the current channel matches with the attenuat...

Страница 52: ...ove the horizontal resolution so as to obtain a good waveform displaying 2 The lines between the sample points may also cause ladder like displaying if the Type in menu of DISPLAY is Vectors Please turn the Type to Dots to solve the problem 7 USB storage can t be recognized 1 Check if the USB can work normally 2 Check if the USB Device interface can work normally 3 Make sure that the USB disk bein...

Страница 53: ...nts or modules results from electrostatic discharge ESD ESD Precautions While performing any internal testing of the oscilloscope please refer to the following precautions to avoid damages to internal modules or components result from ESD Touch circuit boards by the edges as possible as you can Reduce handling of static sensitive modules when necessary Wear a grounded antistatic wrist strap to ins...

Страница 54: ...6 SDS1000CFL Service Manual Main Board Drawing Please refer to the following drawing to quickly locate test points on the main board for easy resolution of the failures you encounter Figure 6 1 Main board module ...

Страница 55: ...e Manual 47 Troubleshooting Flowchart The following flowchart describes how to troubleshoot the oscilloscope making it easy for you to understand the troubleshooting procedures at first view Figure 6 2 Troubleshooting flowchart ...

Страница 56: ...hin the specified range using a digital multimeter The corresponding voltage parameters to be tested are listed in table below Table 6 2 Voltage parameters of the power supply module Voltage value Pin Error 0V Pin1 Pin5 Pin8 Pin12 NULL 10V Pin4 20 6 5V Pin6 Pin7 Pin9 Pin10 10 15V Pin11 5 If each tested voltage value is within the spec range referring to the table above then the power supply works ...

Страница 57: ...alues at test points are within spec range using a digital multimeter The voltage parameters to be tested are listed in table below Table 6 3 Voltage parameters of the main board Components tested Voltage V Error V CL4 5 0 1 CL12 3 3 0 1 CL7 1 25 0 1 CL10 5 0 1 CL13 1 9 0 1 C53 1 25 0 1 If there is at least one voltage value tested beyond the spec range please turn off the oscilloscope and cut the...

Страница 58: ...ge of 11V 9V please reconnect the backlight inverter cable to make sure its correct connecting However if the screen remains dark in this consequence a new LCD is required If the measurement is beyond the range of 11V 9V you need to replace a new power supply module 3 If the screen gets bright displaying abnormal then go to test the Clock located on the main board If the Clock tested is 30M then t...

Страница 59: ...e power button is ok and if the fuse is damaged No displaying after power on Check if the backlight inverter cable is correctly connected No response after pressing any button in condition that the other parts work normally Check if the keypad cable is correctly connected to the main board Every time the oscilloscope is turned on the Time displays at the lower right corner restores to its initial ...

Страница 60: ...urpose In no case shall SIGLENT be liable for indirect special or consequential damages Inspecting and Care This section explains how to inspect the oscilloscope and shipping container as well as general care and cleaning of the oscilloscope Here are detailed information about this General Inspecting 1 Inspect the shipping container Keep the damaged shipping container or cushioning material until ...

Страница 61: ...id or solvent Cleaning Please perform the following steps to clean the instrument and probe regularly according to its operating conditions 1 Disconnect the instrument from all power sources and then clean it with a soft wet cloth 2 Clean the loose dust on the outside of the instrument and probe with a soft cloth When cleaning the LCD take care to avoid scarifying it Notice To avoid damages to the...

Страница 62: ...cation 1 On Off button 2 Back Rind 3 Big knobs 4 Small knobs 5 Bolts PM2 5 10 6 Bolts PA3 8 7 Bolts PA3 10 8 Back cover board 9 Bolts KM3 8 10 Top cover board 11 Bolts KM3 30 12 Fan 13 Bolts BM3 8 14 Bolts PA3 8 15 Metal shelf 16 Silica gel key 17 Bolts BM3 8 18 Main board 19 BNC nuts 20 LCD 21 Bolts KM3 8 22 Keyboard 23 Front panel All the replaceable parts above are available through contacting ...

Страница 63: ...e Manual 55 Contact SIGLENT SIGLENT TECHNOLOGIES CO LTD Address 3 F building NO 4 Antongda Industrial Zone 3rd Liuxian Road Bao an District Shenzhen P R China Tel 0086 755 3661 5186 E mail sales siglent com http www siglent com ...

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