SDS Series Service Manual
Contents
1. 1 1 10 1 e CD x 1 PC link application software Power cord lpcs up to the standards of the country in which it is used USB cable User Manual 1pcs Options Battery 1 3 Technical Specifications Unless otherwise specified the technical specifications applied are applicable to the probe with the attenuation switch setting 10X and the SDS series digital oscilloscope Only if the oscilloscope fulfill the following two conditions at first can these specification standards be reached M This instrument should run for more than 30 minutes continuously under the specified operating temperature m If the change range of the operating temperature is up to or exceeds 5C open the system function menu and execute the Auto calibration procedure see 4 4 Auto calibration on P17 All specification standards can be fulfilled except one s marked with the word Typical Section 1 General Information Table 1 Specifications Performance Characteristics Instruction SDS6062 60MHz SOOMS s SDS6062 250MS s for dual channels 1GS s Acquisition Sample rate N SOOMS s for dual channels real time 2GS s cata 1GS s for dual channels 2GS s 5D58202 1GS s for dual channels Input coupling DC AC Ground Input impedance 1MQ 2 in parallel with 10pF 5pF Probe attenuation 1X 10X 100X 1000X factor Max input Max input voltage 400V PK PK DC AC PK PK Max input voltage 42. Warning The term Warning is used in this manual to indicate that when you read this mark personal injury may not be caused to you immediately but you need to be cautionary Notice The term Notice is used in this manual to indicate that damages may be caused on this product or other properties Symbols Used on the Product The following symbols appear possibly on the product High voltage Refer to user Protective Measurement Earth ground manual ground ground Terminal A he lt 111 General Safety Summary Safety Requirement Carefully read the following safety information in order to avoid any personal injury and damage on this product or any products connected with it This product can only be used in the specified applications to prevent any possible dangers Only qualified technical personnel are permitted to perform maintenance Prevent fires and personal injuries Use professional power wire Only use the special power wire that is applied to the user state Connect and cut off in the proper way Please do not connect or cut off the probe or the tested wires voluntarily when connecting with the power supply Grounding Make sure the product is earthed properly by grounding conductor before connecting with the input or output terminal that is to avoid electric shock Use the probe in a proper way The grounding terminal of the probe is earth potential Pay attention to the nominal values of all term
3. 4 2 10015 ali DEVICOS EA O A al eerie eds da dal d dl Aaa Sata aa d lt ees 17 435 The interval Mme to Cali Bratton dd at all Ai o 17 A A ALO Cali br tiOi ye te i ea eat Dai CD e nel nea ne e o ea a ce nel 17 4 5 Attenuation Compensation Capacitance Calibration nn eee 17 Sections MAMICERANCE sn cacat otita seca iu oaia oaie dia oaia dig a a kad dza said aaa aaa a a ca 18 del Bret todita 18 repara Dorna Salety Bosa aa ie nol ahs 18 A A A ada baz een dala 18 5 4 Removal and Installation ProcedureS sseeee aaa aaa aaa aaa aaa aaa aaa aaa aaa aaa aaa aaa wawa 20 5 0 Examinauon and Maintenance nsa se ou c aaa GO 030 ta E 36 Section 6 Replaceable PAINS zee tc ete Sale eee e Sediul aa del sea elle delia eta 38 6 liiseplace alle PA DIS IE 151 zoo aa zz aa da ata bca ai aa at eta dea be 8 38 SPO io Talia LO INA LOLA setea NOE 38 List of Figures Figure 1 Connection of sweep rate and error inspection 2222222222222211111111111 11 Figure 2 Waveform of sweep rate and error INSPECTION 2222222224224244441111211 11 Figure 3 Connection of voltage division and error inspection 2111111112 12 Figure 4 Connection of voltage measurement and error inspection 12 Figure 5 Connection of transient response inspection 244444444444442 13 Figure 6 Waveform of transient response inspection n eee 13 Figure 7 Connection of vertical movement ran
4. He CHASSIS sired cet dia a ie er N 31 Figure 29 Fan power cable of the chasSSIS eeeeeee ooo aaa aaa aaa aaa aaa a0 32 Figure 30 Instale chassis is 33 Fioure 31 Install the chaSSiS 2 ea d 33 Figure 32 Screws secure the main board eee 34 Figure 33 Instal liter DOC scad satire osti ast tk 34 Figure 34 Key board and Mont panela 35 Figure 35 Troubleshooting procedure 1 occccccnnonononononccccncnononnnnnnnnnnnnnonanonos 36 Figure 36 Troubleshooting procedure 2 occcccccccnnncnnnnonooncnncnnnnnnnnnnnnnnnnnnnnananons 37 List of Tables Table AS PECMICAM ONS sob meet iv abea Deda ea Ida etatowa 2 Table 2 General specifications aneren aa ti n A tr a Sa tt e 6 ab es We En Ironman sido o O AN meee ON 8 Table 4 Replaceable Parts LIS ass ae a ala aratul ot AOL 38 General Safety Summary General Safety Summary Operation security Read the security information carefully before use Safety Terms and Symbols Specific Warning and Caution Terms that Appear throughout the Manual AN Warning Warning identifies conditions and actions that pose hazards to the users A Caution Caution identifies conditions and actions that may damage the product or other properties Terms Used on the Product The following terms appears possibly on the product Danger The term Danger is used in this manual to indicate that when you read this mark personal injury may be caused to you immediately
5. Oscilloscope calibration Output faster edge Q9 connection Figure 5 Connection of transient response inspection B Set the period of the faster edge pulse as luS adjust its output amplitude to make the waveform take up about 80 spare of the checked working amplitude on the screen usually 6 grids and regulate the zero point position to make the 0 of amplitude A and the 100 of amplitude A align with the level of calibration line respectively then also adjust the time base and trigger level to make the mid point waveform on the center screen Shown as Figure 6 SOOMS s M 200ns Depth 10K r Ea Figure 6 Waveform of transient response Inspection Measure the time t from 10 of amplitude to 90 by cursor time that is rise time and measure the rise up range B by cursor voltage and get the rise up value as follows Rise up value S B A X 100 C Repeat step B and check the other channel 13 Section 3 Test and Calibration 3 3 8 Vertical movement range inspection A As shown by Figure 7 connected Tested oscilloscope Oscilloscope calibration Voltage output Q9 connection Figure 7 Connection of vertical movement range Inspection B Regulate the calibration to output some positive voltage and change the lower limit of zero position the oscilloscope will display a straight line Regulate the calibration to output negative voltage and change the upper limit of zero position the oscilloscope will
6. Section 5 Maintenance Figure 19 Unsnap the rear panel 2 Detach the rear panel carefully be ware that it still be connected to the font assembly by wires O In the figure below the red and black cable is the AC line power cable the yellow is the grounding wire Remove the screw secure the grounding wire to disconnect it Grasp and pull up on the AC line power cable to disconnect it from power supply board LL iN LD D ye N r 4 UN i 4 Figure 20 Disconnect the rear panel 5 Battery box Container O Remove the four screws marked in yellow in the figure below Lift the battery box container a little be ware that it is still be connected by the battery power cable which marked in red in the figure below 25 Section 5 Maintenance Grasp and pull out the battery power cable Figure 21 Remove the battery box container 6 Power supply Board The cable marked in yellow is the power cable of adapter plate the red is transfer cable Disconnect both of them 26 Section 5 Maintenance Figure 22 Cables to power supply board O Remove the three screws marked in yellow lift off the power supply board F NA AA A F dde A i Figure 23 Screws of power supply board 7 Adapter plate 2 Section 5 Maintenance e Unlock the screen data cable pull it out carefully Figure 24 Disconnect the screen data cable The cable marke
7. display a straight line The range between the lower limit and the upper limit is the vertical movement range C Repeat step B and test the vertical movement range of voltage division for every channel 3 3 9 Linear error inspection for vertical movement A As shown by Figure 4 connected The CH1 is set as follows Coupling AC Channel On Probe 1X Invert Off Time base division lms Measured window 1 Peak peak value of CHI B Make the signal generator output 1KHz of sine wave and adjust output voltage until the displayed amplitude 50 center of the checked working spare record the peak peak value A of measured window 1 then adjust the zero position and record the corresponding peak peak value B and C of measured window 1 that the top and the bottom of the waveform takes up the upper limit and the lower limit of checked working spare respectively the linear error are as follows which is the relatively large value BA A X100 and CHA A X100 C Repeat step B and inspect linear error for vertical movement of every channel 3 3 10 Input impedance inspection A As shown by Figure 8 connected 14 Section 3 Test and Calibration Tested oscilloscope LCR tester Qo 2009 O D Q9 connection Figure 8 Connection of input impedance inspection B The inspected oscilloscope comes into work and record resistance and capacitance of the input end and measure every voltage division separately C Re
8. is the error value of sweep rate SO3A calibration is pointer header that the indicated value is the correction to the error of sweep rate and the error should be anti symbol 19 9670KHz 1MS s M 50us J 800mv Depth 1k f f OFF OFF Figure 2 Waveform of sweep rate and error inspection C Repeat step B and test sweep rate for other channels 3 3 3 Time measurement and error inspection A As shown by Figure 1 connected B Set the output time period of the calibration as A press Autoset to display the stable waveform Then also set the measured window 1 as the period of CH 1 get the period value B to gain the time error C as follows C B A AX100 3 3 4 Voltage division and error inspection A As shown by Figure 3 connected CH set as follows Coupling DC Channel On Probe 1X Invert Off 11 Section 3 Test and Calibration Tested oscilloscope Oscilloscope calibration Output square scale Q9 connection Figure 3 Connection of voltage division and error inspection B Make the calibration to output the impulse 1KHz and change base output amplitude and voltage scaling factor the height of the waveform displayed takes 80 of the checked work spare in the oscilloscope screen usually 6 grids Pressing V ERROR and adjust the fine tuning knob until the upper and lower base line and horizontal scale full of coincidence the error displayed on the calibration is the error of the voltage
9. of shipment Parts product repairs and services are warranted for 90 days This warranty only apply to the original buyer or customers of a Owon authorized dealer and does not apply to fuses disposable batteries or to any product which in Owon s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Owon warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Owon does not warrant that software will be error free or operate without interruption Owon authorized dealer shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Owon Warranty support is available if product is purchased through an Owon authorized sales outlet or Buyer has paid the applicable international price Owon reserves the right to invoice Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Owon s warranty obligation is limited at Owon s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to an Owon authorized service center within the warranty period To obtain warranty service contact your nearest Owon authorized service center or send the
10. 00V 400V PK PK DC AC PK PK PK DC AC PK PK Bandwidth Input Bandwidth limit limit 20MHz full bandwidth 20MHz full bandwidth bandwidth El channel 50Hz 100 1 f 10MHz 40 1 isolation Time delay between channel typical 150ps 0 55 s 300MS s single channel AS 0 55 s 250MS s dual channel 0 5S s 1 GS s single channel Sampling rate range santal 0 55 s 500MS s dual channel 0 5S s 2GS s single channel SDS8102 0 5S s 1GS s dual channel SDS8202 0 5S s 2GS s single channel 5D58402 9 58 s 1GS s dual channel Horizontal System Record length 10M points on each channel S d TFF canning spee SDS6062 Sns div 100s div S div step w R SDS7102 2ns div 100s div step by 172 5 2 Section 1 General Information Table 1 Specifications cont Performance Characteristics Instruction 2ns div 100s div DS8102 R step by 172 5 SDS8202 Ins div 100s div step by 172 5 Sampling rate i 100ppm relay time accuracy Single Interval AT 1 interval time 100ppmxreading 0 6ns accuracy Average gt 16 DC 100MHz 1 interval time 100ppmxreading 0 4ns 8 bits resolution 2 Channels simultaneously SDS7102 1VQmV 100mV 10V 200mV 1V 100V 2V 10V Vertical system lt 3 5ns at input Typical DC accuracy Displacement Rise time Average gt 16 3 rdg 0 05 div for AV average ud A Sect
11. OUJON SDS Series Smart Digital Storage Oscilloscopes Service Manual M SDS6062 M 5DS7102 M 5DS5102 M SDS8202 WWW OWON COM CN Copyright OLilliput Inc All rights reserved Lilliput products are covered by U S and other patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved The information in this manual was correct at the time of printing However OWON will continue to improve products and reserves the rights to changes specification at any time without advance notice for latest information please refer to our website OWON is registered trademark of Lilliput Inc Xiamen Lilliput Technology Co Ltd the 5th floor B Area Chuangxin Mansion Software Park ZhenZhuWan Huandao RD Xiamen Fujian China Tel 86 592 2575666 Fax 86 592 2575669 Web www owon com cn Mail sales owon com cn Fujian Lilliput Optoelectronics Technology Co Ltd The mansion of optoelectronics hengsan road Lantian industrial zone Zhangzhou Fujian China Tel 86 596 2 130430 Fax 86 596 2109272 Web www owonchina com Mail service owonchina com LIMITED WARRANTY amp LIMITATION OF LIABILITY Each Owon product is warranted to be free from defects in material and workmanship under normal use and service The warranty period of oscilloscope is three years and the warranty period of accessories is one year and begins on the date
12. Table 2 General specifications Display Display Type 8 Colored LCD Liquid Crystal Display Display Resolution 800 Horizontal x 600 Vertical Pixels Display Colors 65536 colors TFT screen Output of the Probe Compensator Output Voltage About 5V with the Peak to Peak voltage equal to or Typical greater than 1MQ of load Frequency Typical Square wave of 1KHz Table 2 General Specifications cont Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II LA T grade 250V Battery opti 1 Cell 558792 4000mAh 3 7V i A dis Pack 2s2p 7 4V 8000mAh Mechanical Specifications 340mmx 155mmx70mm L H W About 1 82 kilogram Interval Period of Adjustment One year 1s recommended for the calibration interval period Section 1 General Information 1 5 Declaration of Conformity SDS Series Smart Digital Storage Oscilloscopes Manufacturer Fujian Lilliput Optoelectronics Technology Co Ltd Statement of Conformity Base on the result using appropriate standards the product is in conformity with Electromagnetic Compatibility Directive 2004 108 EC Annex II Low Voltage Directive 2006 95 EC Sample tests Standards used EN61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory use part General Requirements EN61326 1 2006 Electrical Equipment for Measurement Control and Laboratory use EMC Requirements part 1 General Requirements EN61000 3 2 2006 A2 2009 Ele
13. ace of main board should be matched t o the one marked in the Figure 34 a a a Figure 33 Install the main board 34 Section 5 Maintenance 10 Done The left assembly include key board and front panel WA AA i i M TL Li y N gt F thi j 1 NJ hen as NA Y A R f i A a Figure 34 Key board and front panel 35 Section 5 Maintenance 5 6 Examination and Maintenance Power on the oscilloscope Does the display backlight light up Proceed to Figure 36 Does the scope ERO wabi nai Are the Main board and 1KHz SV output display normally LCD connected correctly normally Replace the LCD Replace Reconnect loose Main board cables Do a No Replace oscilloscope gt gt Maia board operate OK Figure 35 Troubleshooting procedure 1 36 Section 5 Maintenance Continued from Figure 35 Is the power cord No Reconnect the connected correctly power cord Dose the Power No Replace Power supply board output supply board normally 2 Dose the Adapter No Replace Adapter plate output a late normally AR Is the main No Replace Main board OK board Replace LCD Figure 36 Troubleshooting procedure 2 37 Section 6 Replaceable Parts Sec
14. ctromagnetic Compatibility EMC part 3 Limits Section 2 Limits for Harmonic Current Emissions Equipment Input Current less than equal to 16A per phase EN61000 3 3 2008 Electromagnetic Compatibility EMC part 3 Limits Section 3 Limitation of Voltage Fluctuations and Flicker in Low Voltage Supply systems for Equipment with Rated Current less than or equal to 16A The tests have been performed in typical configuration This conformity is indicated by the symbol CE 1 e Conformite Europeenne Section 2 Installation Section 2 Installation 2 1 Performing the General Inspection When you have got a new SDS oscilloscope it is suggested that you should perform a general inspection on the instrument according to the following steps 2 1 1 Check whether there is any Damage on it Due to Transportation If the packing boxes or foam cushions are found in serous damage keep them in a proper place till the complete instrument and accessories have passed the electrical and mechanical tests 2 1 2 Make a Check on Accessories The accessory list has been described in the picture of Digital Oscilloscope Parts of this manual You can make a check and find whether there is any accessory loss with reference to the Appendix In case of any accessory loss or damage consult the OWON dealer responsible for such a business or the local office of OWON 2 1 3 Make a Check on the Complete Instrument If the instrument is damaged in its appearance or
15. d in blue in the figure below is the high tension cable green is the indicator light cable and red is VGA cable Pull out the three cables O Remove the four screws marked in yellow in the figure below 28 Section 5 Maintenance Figure 25 Screws and cables of the adapter plate _ Pull out the adapter plate carefully Figure 26 Remove the adapter plate 8 Chassis including Fan and LCD 29 Section 5 Maintenance O Remove the plastic cushion marked in the figure below E x a Figure 27 Remove plastic cushion O Remove the six screws marked in the figure below Lift the chassis a little be aware that it is still connected to the main board by a cable 30 Section 5 Maintenance Figure 28 Screws of the chassis Grasp and pull up on the fan power cable marked in the figure below 31 Section 5 Maintenance Figure 29 Fan power cable of the chassis Notice for installation Make sure that the label of the LCD protection do not be covered by the front panel 32 Section 5 Maintenance Figure 30 Install the chassis 1 Pull the indicator light cable and VGA cable through the holes m the chassis as the figure below Figure 31 Install the chassis 2 9 Main Board O Remove the three screws marked in the figure below lift off the main board 33 Section 5 Maintenance e Figure 32 Screws secure the main board Notice for installation The 2x6 Pin interf
16. division SO3A oscilloscope is pointer header that the indicated value is the correct value of the error of sweep rate base error is anti symbol C Repeat step B and test voltage division for each channel 3 3 5 Voltage measurement and error inspection A As shown by figure 3 connected B Make the calibration to output amplitude A of square wave 1 KHz press Autoset and adjust to display the stable waveforms Set the measured window 1 as the peak peak value of Channel 1 and read the period value B then get the voltage measurement error C as follows C B A AX100 C Repeat step B and check voltage measurement error for every channel 3 3 6 Bandwidth inspection A As shown by Figure 4 connected Tested oscilloscope Signal generator Output sine wave 0 Q9 connection Figure 4 Connection of voltage measurement and error inspection B Regulate the signal generator to output continuous sine wave adjust output voltage and 12 Section 3 Test and Calibration frequency to make the display amplitude at base standard frequency 80 of the checked spare on the screen usually 6 grids and record the peak peak value increase the output frequency of signal generator until the peak peak value to 0 707 HO that the frequency is the actual value of bandwidth C Repeat step B and test bandwidth for every channel 3 3 7 Transient response inspection A As shown by Figure 5 connected Tested oscilloscope
17. e CH2 3 3 16 Triggering test A As shown by Figure 4 connected B Triggering sensitivity test Turn the voltage division at 200mV and adjust the output frequency of the signal generator as technical requirement until the oscilloscope could locate the waveform stable with stepping up the output amplitude therefore the voltage amplitude is the triggering sensitivity C Test for the range of triggering level Adjust the output amplitude of the signal generator as technical requirement and the triggering level position and record the range of triggering position that could locate the waveform The range 1s the range of triggering level D Coupling mode test The coupling mode will be setup as DC AC HF reject LF reject and adjust the output amplitude of the signal generator and then observe whether the oscilloscope can trigger 16 Section 4 Debugging and Calibration Section 4 Debugging and Calibration 4 1 Brief Introduction In this part will provide some methods for debugging and calibration 4 2 Tools and Devices The instruments for debugging and calibration are in accordance with provided in section three 4 3 The Interval Time to Calibration The recommended time for calibration is one year 4 4 Auto calibration The auto calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value You can carry out this application program at any time but
18. for installation Just press the power switch button to its hole 2 Ground Connection Place the oscilloscope face down on soft surface such as an anti static mat with the bottom facing you Use a flat bladed screwdriver to remove the Ground Connection 20 Section 5 Maintenance Figure 13 Remove the Ground Connection 3 Battery Box Place the instrument with the bottom facing you Loosen the two screws that secure the battery box to the rear chassis do not take 1t off Figure 14 Loosen the screws of battery box Take the two screws to pull the battery box out 21 Section 5 Maintenance Figure 15 Remove the battery box Notice for installation Assemble the battery box as the figure below insert it into the battery box container wz 0 E z gie IETIAA Figure 16 Assemble the battery box Rear Panel O Remove the four screws that secure the rear panel with a cross screwdriver Notice for installation The shortest screw should be installed in the screw hole marked in red in the third figure below 22 Section 5 Maintenance 23 Section 5 Maintenance Figure 17 Remove the screws of rear panel Place the oscilloscope on its feet on soft surface with the front facing you Release the snap marked in red in the figure below Figure 18 Unsnap the rear panel 1 Place the instrument upside down release the two snaps marked in red in the figure below 24
19. ge INSPECTION 222211111111 14 Figure 8 Connection of input impedance inspection oooooooonnnncnnnnnnnnnnnnnnnnnnnnananons 15 Figure 9 Connection of maximum input voltage testing 22222222222 15 Figure 10 SDS series block diagram m eee 18 Figure 11 The schematic circuit diagram of the power supply 20 Figure 12 Remove the Power switch button eeeeeee eee 20 Figure 13 Remove the Ground Connection esse aaa aaa aaa aa 21 Figure 14 Loosen the screws of battery DOX eee eee aaa aaa aaaaaaaa 21 Figure 15 Remove te battery DOK sta zi te iia 22 Figure 167 A semble the battery DOX zadawac A E 22 Figure 17 Remove the screws of rear Pan la sa atei AE 24 Figure 18 Unsnap the rear panel 1 occccccccncnnnnooooononononcconononnnnnnnnnonononananos 24 Ficure 19 Unsnap the rear pancita 25 Ficure 20 Disconnect the Tear panel 13 sote les eet ete al ci ace cel dt do 25 Figure 21 Remove the battery box container eee 26 Figure 22 Cables to power supply board eee 21 Figure 23 Screws of power supply board ccccccccnncocononcccnncnnnnnnnonnnnnnnonononananons 21 Figure 24 Disconnect the screen data cable a aaa aa 28 Figure 25 Screws and cables of the adapter plate 2uuuusuaa aaa aaa 29 Figure 26 Remove the adapter plates TA 29 Figure 27 Remove plastic Cus M100 A dal d ala ete 30 Figure 28 Screws On
20. he instrument and all the accessories are passed your test 2 5 Tagging for Service The tagging is the certificate for the customer to require servicing So please do not arbitrary tears and modifies it 2 6 Power Supply Requirement Use only the power cord specified for this product and certified for the country of use Make sure that the product is properly be grounded 2 7 Cleaning Requirements Cleaning Inspect the instrument and probes as often as operating conditions require To clean the instrument exterior perform the following steps 1 Wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Clean the instrument with a wet soft cloth not dripping water during the period of which please pay attention to the disconnection of power It is recommended to scrub with soft detergent or fresh water To avoid damage to the instrument or probe do not use any corrosive chemical cleaning agent Warning Before power on again for operation it is required to confirm that the instrument has already been dried completely avoiding any electrical short circuit or bodily injury resulting form the moisture Section 3 Test and Calibration Section 3 Test and Calibration 3 1 Equipment for Testing Oscilloscope calibrator signal generator oscilloscope LCR digital electric bridge multi meter calibrator 3 2 Test Standa
21. inals To avoid fire or electric shock please keep a watchful eye on all nominal values and marks specified for this product Before any connection performed on this product carefully read the user s manual of the product for further information of nominal values No operation is allowed without the instrument cover plate If the cover plate or panel has been removed do not perform any operation on this product Use the standard fuse conformed to the product with the rating value No touch is allowed on bare conductors When the product is powered on do not touch any bare joints or parts of the scope meter Operation is prohibited in case of any undetermined failure When in doubt any damage on this product consult the qualified personnel for checking on it Keep ventilation in good condition Read the user manual for detail installation instructions in order to fix this product correctly and provide it with good ventilation conditions No operation is allowed under a humid environment No operation is allowed under an explosive environment Keep clean and dry on the product surface IV General Safety Summary To avoid body damage and prevent product and connected equipment damage This product can only be used in the specified applications Carefully read the following safety information before using the test tool AN Warning To avoid fire or electrical shock if a test tool input is connected to more 42V peak 30Vrms or
22. ion 1 General Information Table 1 Specifications cont Performance Characteristics Instruction Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Automatic Period Rise Time Fall Time Delay A gt B DelayA Bt Width Width Duty Duty Waveform Math a m et Ae Bandw Full bandwidth Lissajous Phase HEN differe 3 degrees nce Frequency typical I KHz square wave USB2 0 USB for file storage VGA port or RS 232 port Single channel is when only one input channel is working Section 1 General Information Table 1 Specifications cont Trigger 6 div from the screen center di 600mV gt Trigger level l 40mV 6 of Set Value Accuracy typical EXT 5 200mV 6 of Set Value PEB According to Record length and time base displacement Trigger Holdoff 100ns 10s range 50 level setting gt typical Input signal frequency gt 50Hz Positive pulse gt lt negative pulse gt lt Pulse Width range 24ns 10s Support standard NTSC PAL and SECAM broadcast systems Video Trigger Line number range 1 525 NTSC and 1 625 PAL SECAM as Positi ses yo Trigger condition oa an a Slope Trigger negative pulse gt lt 24ns 10s Trigger on CHI Edge Pulse Video Slope BC Trigger on CH2 Edge Pulse Video Slope Trigger condition Pulse trigger Section 1 General Information 1 4 General Technical Specifications
23. it fails in normal operation or performance test consult the OWON dealer responsible for such a business or the local office of OWON If the instrument is damaged due to transportation keep the packing in a proper place and consult the transportation department and the OWON dealer responsible for such business who will provide an instrument replacement or maintenance 2 2 Operating Environment Table 3 Environment JA Working temperature 0 C 40 C E Storage temperature 20 C 60 C Relative Humidity Operating 3 000 m 2 3 Storage and Transport Do not store or place the instrument in locations where the liquid crystal display LCD may be directly exposed to the sunshine for a long time Be careful Do not make spraying agent liquid and solvent touch with probes to avoid the instrument or probe being damaged If the oscilloscope is to be stored for a long time it is required to charge the lithium battery before storage Take and put gently and prevent rain in the process of transportation Section 2 Installation 2 4 Packaging Packaging default packaging Other packaging methods A Wraps with pasteboard or thick plastic B With the intensity big packing case Made with such as double decked cartoon paper C Wraps with 70mm 100mm sacrificially all around the instrument for quakeproof D Place the danger on the packaging If the box or blister package has been damaged seriously please keep it until t
24. ne interface is composed of the keyboard and LCD also with the serial ports and USB interface The hardware is composed of 5 numbers of modules The following Figure 10 is the brief diagram 18P 2 0 LCD 50P 0 5 Power supply 6P 2 5 board gt Adapter plate 2P 3 96 Battery Main key board 6P 2 0 Main board Figure 10 SDS series block diagram The schematic circuit diagram of the power supply is as follows 18 6P 2 0 F1 F5 H1 H5 Key board Maintenance Section 5 V8A C10 470uF 16 MGSTA0 OTA Ll MZ STHO 64 dUND dOND dP8A MI H0 ced NOLATOLF GL ID 11 SD NOTUHTOOT 810 QTA EJ ADOv MEE AAVECC S 0110 dUND NOL 073 19 Section 5 Maintenance Figure 11 The schematic circuit diagram of the power supply 5 4 Removal and Installation Procedures This section describes how to remove and install the major mechanical and electrical modules Removal procedures are as below To Install the instrument you could operate the removal procedure in reverse order You should pay attention to the Notice for installation when installation 1 Power switch Button Use a soft cotton to encase the power switch button to avoid scratching by pliers pull out the button with pliers koma 4 Figure 12 Remove the Power switch button Notice
25. on such holding will not affect the validity or enforceability of any other provision SERVICES CENTER To locate an authorized services center visit us on the World Wide Web WWW OWON COM CN Table of Contents Table 01 CORNENI atata e ata ia a e io as DA ti da 1 DUS LOUIS zak Aaaa SE i duo A Z daci ale es 11 Listor Tables a ae a ai ral ian tin ti a it la a ie 11 General Salciy Summa REPREZE ECA 111 section General ONO a eco AIAN ka ao Ca 10 Cos Le a PACE PNR REP RR RER O NR A RI N A RR NN ARE OR T E O N OE I 2 ACCESSORIES SUDD Ed aaa actul zac tuia ui autodidact ai iod L3 Technical Specifications i352 3555 es es aa Sse Ba a aa ie aa aa 2 e cca a 1 4 General Technical Specifications ssd nnii aeee EE 6 L5 Declaration OF C ONIS ees Bete Rs q ay o o oii A oo E OAK 8 ZA Periormine the General IS PCC MOMs aia lr 8 22 Operatie AA ou Z Za ie eee 8 DB SUPRA and IA scie diane aa dotted tiluri tis tt ll ta ll tra lt 8 A A a aa ne illa cil II ac 9 DM ae Ole TOL Se VIC ORDER ERIE RER RR A PRR e N AIR INNER 9 2 06 P WCE Supply REQUIEM OL aa a lu at cats lut tt lu Ban ia 9 DA Cole anina Regue MENIS scarita a ne AO TE O EJ AR d R 9 Section Testand E ell yi a Oi AAA EEC an ene dan isa 10 3 1 6 DU bya a 41m 9 cael Boiss 11 oe na Da id 10 AA e ae Aas col ee dad del Baa aaa adi aaa id d 10 3 3 Inspection Items and Methods seca aaa ste GA EEEE OKK 10 Section 4 Debus ime and Calor aka ea E ai o S 17 Bac MRO UMC MON etnia onda 17
26. on circuits of more than 4800VA Use only insulated voltage probes test leads and adapter supplied with the test tool or indicated by OWON as suitable for the Oscilloscope amp Multimeter Before use inspect voltage probes test leads and accessories for mechanical damage and replace when damaged Remove all probes test leads and accessories that are not in use Remove all the PC communication connection Do not apply input voltages above the rating of the instrument Please be careful when using 1 1 test leads because the probe tip voltage will be directly transmitted to the Oscilloscope amp Multimeter Do not use exposed metal BNC or banana plug connectors Do not insert metal objects into connectors Section 1 General Information Section 1 General Information 1 1 Introduction This service manual contains information on adjusting and servicing the SDS Series Oscilloscope Chapter General Information simply introduces the specifications of the oscilloscope Chapter Installation introduces the theory of installing Chapter Test and Calibration simply introduces some theory and method of tests Chapter Debugging and Calibration supplies some modules for adjust and some methods Chapter Maintenance mainly supplies some parts to customers for service Chapter Replaceable Parts mainly introduces theories and methods of servicing 1 2 Accessories Supplied Standard Accessories 2 Passive probe 1 2 m
27. peat step B and test the other channel 3 3 11 Drift test Turn the voltage of CHI and CH2 at 5mV time base at ImS record the drift value of zero position at the set time 3 3 12 Noise testing Turn the voltage of CHI and CH2 at 5mV time base at 1mS record the max displayed amplitude which is the open circuit noise 3 3 13 Maximum input voltage testing A As shown by Figure 9 connected Tested oscilloscope Voltage Source Q9 connection Figure 9 Connection of maximum input voltage testing B Turn on the unit set the input coupling as DC and zero position at the center Then adjust the output voltage to be in accordance with the set value in product standard Input voltage and last for one minute and then cut off input voltage the unit should work normally 3 3 14 Average function testing A As shown by Figure 3 connected B Make the calibration to output 30mV of the square wave and voltage division at 5mV and the sampling is the average sampling with different average numbers to observe the different 15 Section 3 Test and Calibration smoothing C Repeat step B and test for CH2 3 3 15 Peak value testing inspection A As shown by Figure 4 connected B The generator will be set to output 600mV 15nS of the impulse wave and the sampling mode set as peak detection voltage division at 200mV Then try the different time base division and observe the impulse wave on the screen C Repeat step B and test th
28. product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Owon authorized service center Owon assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Owon determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Owon will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point This warranty is Buyer s sole and exclusive remedy and is in lieu of all other warranties express or implied including but not limited to any implied warranty of merchantability or fitness for a particular purpose Owon shall not be liable for any special indirect incidental or consequential damages or losses including loss of data whether arising from breach of warranty or based on contract tort reliance or any other theory Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdicti
29. rd Q ZLLD03 2005 enterprise standard and technical specification of SDS oscilloscopes by Fujian Lilliput Optoelectronics Technology Co Ltd 3 3 Inspection Items and Methods 3 3 1 Appearance and functional inspection A Appearance inspection The appearance of the oscilloscope should be clean without obvious row a scar and deformation The juncture of the front cover and the back cover should be matched seamless The screws are all fixed without loose And the keyboards are flexible and light when pressing B Functional inspection First power up the oscilloscope and come into measurement Second check all the keys and input IKHz calibrating signals then press Autoset the oscilloscope should display waveforms and work for measurement Third switch to the multi meter to check whether it could work normally 3 3 2 Sweep rate and error inspection A As shown by Figure 2 connected the CHI set as follows Coupling DC Channel On Probe 1X Invert Off Tested oscilloscope Oscilloscope calibration Output time scale Q9 connection 10 Section 3 Test and Calibration Figure 1 Connection of sweep rate and error inspection B Make the time scale of the oscilloscope calibrating in line with sweep rate time division and adjust the trigger level to display stable waveforms And press T ERROR turn fine tuning knob to make the time scale superpose with the level of calibration line as figure 2 the error
30. tion 6 Replaceable Parts 6 1 Replaceable Parts List Table 4 Replaceable parts list Power supply board PWR6062 V1 5 Adapter plate SDS CONNECT VGA V2 1 SDS6062 SDS6062 V 1 4 Msi Gosi SDS7102 SDS7102 V1 1 SDS8102 SDS8102 V1 1 6 2 Order Information Please record the names models and quantity of the accessories you want to order and contact with the nearest OWON service center If the accessories are not in the above list please kindly record the serial number and describe the accessories includes functions and the quantity and contact with the nearest OWON service center 38
31. when the range of variation of the ambient temperature is up to or over 5 C this program must be executed For the performing of the self calibration all probes or wires should be disconnected with the input connector first Press the Utility button then press H1 button to call out the Function menu turn the M knob to choose Adjust Press H2 button to choose the option Self Cal run the program after everything is ready 4 5 Attenuation Compensation Capacitance Calibration The steps are as follows 1 Connect the calibrator with BNC of CHI by Q9 2 Make the calibrator to output sine wave with peak peak value of 30V and IKHZ 3 Set the coupling of CHI as DC voltage division as SV time base division as Ims zero position as 15v and observe the waveforms on the screen also adjust the attenuation compensation capacitance until the normal waveform display 4 Repeat step 1 and 3 to turn the attenuation compensation capacitance of CH2 to correct value 17 Section 5 Maintenance Section 5 Maintenance 5 1 Brief Introduction In the part we will provide you the circuit diagram the replaceable parts the disassembling method and the maintenance process 5 2 Preparation and Safety Event Before disassembling the oscilloscope please read the safety outline as a warning 5 3 Circuit Diagram SDS Series oscilloscope makes up dual channel of digital storage oscilloscope and auto multi meter which the human machi
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