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1. rrura 5 15 5 6 8 Input ABCD NOIZ 5 15 5 6 9 Input ABCD Zero rrura 5 17 5 7 Save Calibration Data and ESIa 5 17 SiS Probe eU 5 19 Calibration Adjustment 5 1 General 5 1 General 5 1 1 Introduction The following information provides the complete Calibration Adjustment procedure for the Fluke 190 104 100 MHz 190 204 200 MHz ScopeMeter Test Tool referred to as Test Tool The Test Tool allows closed case calibration using known reference sources It measures the reference signals calculates the correction factors and stores the correction factors in RAM After completing the calibration the correction factors can be stored in FlashROM The Test Tool should be calibrated after repair or if it fails the performance test The Test Tool has a normal calibration cycle of one year 5 1 2 Calibration number and date When storing valid calibration data in FlashROM after performing the calibration adjustment procedure the calibration date is set to the actual Test Tool date and calibration number is raised by one To display the calibration date and number 1 Press EE then press N to see the Version amp Calibration data see Figure 5 1 2 Press Fa to return to exit the Version amp Calibration screen VERSION amp CALIBRATION Model Number 190 204 Serial Number 19500226 Software Version p 409 00 Subversions 03 03 68 104 Calibration Number Calibration Date 0221522011
2. Figure 3 1 N FLL TIT Teo 3 3 5 Fluke 190 104 190 204 Service Manual Figure 3 2 Figure 3 3 121 R STK 13 Note The test tool contains Li ion battery Do not mix with the amp solid wastestream Spent batteries should be disposed of by a qualified recycler or hazardous materials handler 3 6 List of Replaceable Parts 3 5 Accessories 3 5 Accessories For a list with accessories refer to the Maintaining the Test Tool Chapter in the Fluke 190 104 190 204 ScopeMeter 190 Series II Users Manual The Users Manual can be downloaded from Fluke s website 3 3 7 Fluke 190 104 190 204 Service Manual 3 8 Chapter 4 Performance Verification Title Page AA Introduction us rdia tet ket n pre e RI rte RITU ei ten 4 2 4 2 Equipment Required For Verification rra 4 2 43 General Instructions cti a EKR He ete ret eae dr ed 4 2 4 4 Operating Instructions esses enne enne 4 3 4 4 1 Resetting the TSO 4 3 4 4 2 Navigating through menu s sr 4 3 4 4 3 Creating Test Tool Sg 4 4 4 5 Display and Backlight TS 4 5 4 6 Scope Input A B D Tests enne 4 6 4 6 1 Input A B C D Vertical Accuracy Test 4 6 4 6 2 Input A B C D DC Voltage Accuracy 4 8 4 6 3 Input A B C D AC Voltage Accuracy Test LF 4 12 4 6 4 Input A B C D AC Coupled Lower
3. 3 Set the 5500A to source a sine wave to the first test point in Table 4 13 4 Observe the Input C reading and check to see if it is within the range shown under the appropriate column of table 4 13 5 Continue through the test points 6 When you are finished set the 5500A to Standby Table 4 13 HF AC Ee Verification Points 5500A 5500ASC MODE levsin MODE levsin UUT IE AEE Voltage E 2 545 Vpp 25 MHz 790 mV to 1 010 V 190 104 2 545 Vpp 100 MHz gt 630 mV 190 204 2 545 Vpp 200 MHz gt 630 mV 4 25 Fluke 190 104 190 204 Service Information 4 6 15 Input D Trigger Sensitivity Test Proceed as follows to test the Input D trigger sensitivity 1 Connect the Test Tool to the 5500A as shown in Figure 4 10 PM9585 50 OHM USE 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 4 10 5500A Scope Output to Test Tool Input D 2 Select the following Test Tool setup e Press WS and usc to turn Input D on e Press and use EI to turn Input C off e Press D using move Input D trace zero to the center grid line e Press and use CE to select Input D as trigger source RANGE e Using 3 and change the sensitivity range to select manual sensitivity ranging and lock the Input D sensitivity range on 2 V div 3 Using select the time base indicated under the first column of Table 4 14 4 Setthe 5500A to source the leveled sine wave given in the first row
4. USE 50 OHM TERMINATION FLUKE 5500 CALIBRATOR Figure 4 6 5500A Scope Output to Test Tool Input 2 Set the 5500A to source 8 ms time marker MODE marker Select the following Test Tool setup e Reset the Test Tool EO RANGE e Using and select manual vertical ranging and set the Input A sensitivity range to 500 mV div probe A factor is 1 1 e Using change the time base to select manual time base ranging and lock the time base on 10 ms div e Using dek move the trace to the left After moving the trace 2 divisions the trigger delay time with respect to the first vertical grid line will be indicated in the center of the display bottom Adjust the trigger delay time to 8 000 ms AT 8 00 ms e Using set the time base on 10 us div 4 Using b move the trace to the right until the indicated trigger delay is 7 990 ms 5 Examine the rising edge of the time marker pulse at the height of the trigger level indicator top Verify that the rising edge is at the second grid line from the left The allowed deviation is 3 pixels see Figure 4 7 6 Select the following Test Tool setup e Using change the time base to select manual time base ranging and lock the time base on 10 ms div 4 18 Performance Verification 4 4 6 Scope Input A B C D Tests e Using move the trace to adjust the trigger delay time to 800 0 us AJ 800 0 us e Using set the time base on I us div
5. shown in Figure 4 19 PM9091 USE 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 4 19 Test Tool Input A to TV Signal Generator 2 Select the following Test Tool setup e Reset the Test Tool e Press then press SA N open the Trigger Options menu e Choose VIDEO on A then from the shown opened menu choose Polarity POSITIVE PAL or NTSC or PALplus or SECAM e Press EN to select ALL LINES e Press Erri to enable the arrow keys for selecting the video line number e Using select line number 622 for PAL PALplus or SECAM 525 for NTSC e Using ES EA set the Input A sensitivity to 2 V div the actual probe setting is 10 1 e Using EXE select the time base to 20 us div 3 Setthe calibrator to mode video with amplitude 100 Set format and marker line number to PAL 622 even for PAL and PALplus SECAM 022 even for SECAM gt NTSC 262 even for NTSC 4 Observe the trace and check to see if the Test Tool triggers on the negative pulse before the marker pulse see Figure 4 20 5 Using G amp select Test Tool line number gt 310 for PAL PALplus or SECAM 262 for NTSC 6 Set the calibrator format and marker line number to PAL 310 odd for PAL and PALplus 4 31 Fluke 190 104 190 204 Service Information gt SECAM 310 odd for SECAM gt NTSC 262 odd for NTSC 7 Observe the trace and check to see if the Test Tool triggers on the
6. 4 32 Performance Verification 4 7 Probe Calibration Generator Test rotating the centre part of the housing For further information refer to the probe instruction sheet When done press to start the DC calibration that is performed automatically The Probe Calibration is OK if all instructions displayed on screen are finished succesfully Close the hole of the trimmer by rotating the centre part of the housing this is important for safe use of the probe at high input voltages 7 Proceed is the same way for the channels blue probe gray probe and green probe WE Ref Figure 4 21 Probe calibration This is the end of the Performance Verification Procedure 4 33 Fluke 190 104 190 204 Service Information 4 34 Chapter 5 Calibration Adjustment Title Page 5 I General ioo ette hi M eerta f rt pea eon Lassen 5 3 5T T ntrod cti n 5 3 5 1 2 Calibration number and date sss 5 3 5 1 3 General Instructions sosea naoh ienie ai ia 5 3 5 1 4 Equipment Required For Calibration rra 5 4 5 2 Calibration Procedure BSR 5 4 5 3 Starting the Calibration sa 5 4 5 4 Contrast Calibration Adjustment rra 5 6 5 5 Warming Up amp Pre Calibration rra 5 7 5 6 Final Calibration rra 5 8 5 6 1 Warm Up Final and ADC TS sr 5 8 5 6 2 Input LF HF SULA 5 9 5 6 3 Input B LF HF GGI sr 5 10 5 6 4 Input C LF HF Gain sua 5 11 5 6 5 Input D LF HF GO 5 12 5 6 6 Input ABCD LF HF GO 5 13 5 6 7 Input
7. FLUKE 5500A CALIBRATOR Figure 4 4 Test Tool Inputs A B C D to 5500A Normal Output Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press 22 RECALL select SCREEN SETUP 1 press GD o recall the setup e Press then press INPUT A OPTIONS e Select Polarity Normal Bandwidth 20 kHz HF Reject Offset Range Normal e Press ETZI then press INPUT B OPTIONS e Select Polarity Normal Bandwidth 20 kHz HF Reject Offset Range Normal e Press then press aa INPUT OPTIONS e Select Polarity Normal Bandwidth 20 kHz HF Reject Offset Range Normal e Press BIS then press KIIN INPUT D OPTIONS e Select Polarity Normal Bandwidth 20 kHz HF Reject Offset Range Normal e Press to clear the softkey menu and to see the full 8 divisions screen Using L Eze change the time base to select manual time base ranging and lock the time base on 10 ms div VES MOVE Press EF using and Ej move the Input A ground level zero icon jin the left margin approximately to the center grid line Using b select manual vertical ranging and set the Input A sensitivity range to the first test point in Table 4 2 The sensitivity ranges are indicated in the left and right lower display edge Set the 5500A to source the appropriate voltage Observe reading and check to see if it is within the range shown under the approp
8. Figure 5 1 Version and Calibration Data example Note The calibration date and calibration number will not be changed if only the Contrast Calibration Adjustment and or the Probe Calibration is done 5 1 3 General Instructions Follow these general instructions for all calibration steps e Allow the 5500A to satisfy its specified warm up period For each calibration point wait for the 5500A to settle e The required warm up period for the Test Tool is included in the WarmingUp amp PreCal calibration step e Ensure that the Test Tool battery is charged sufficiently e Power the Test Tool via the BC190 Battery Charger Power Adapter 5 3 Fluke 190 104 190 204 Service Information 5 4 5 1 4 Equipment Required For Calibration The primary source instrument used in the calibration procedures is the Fluke 5500A If a 5500A is not available you can substitute another calibrator as long as it meets the minimum test requirements Fluke 5500A Multi Product Calibrator including SC300 or SC600 Oscilloscope Calibration Option 500 Coax Cables 4x use Fluke PM9091 1 5m 3 pcs and PM9092 0 5m 3 pcs 50Q feed through termination 4x Fluke PM9585 Male BNC to Dual Female BNC adapter 3x Fluke PM9093 001 Dual Banana Plug to Female BNC Adapter 1x Fluke PM9081 001 5 2 Calibration Procedure Steps To do a complete calibration adjustment you must do all following steps 1 Select the Calibration Mode section 5
9. 6 2 6 Getting access to LCD Keypad Foil and 6 5 6 2 7 Pictures Showing Disassembly Steps rra 6 6 Chapter 1 Safety Instructions Title Page EIO OD GUO Ek dene 1 3 1 2 Safety Precautions aA eee tee b ie et 1 3 1 3 Caution and Warning Statements 1 3 14 Symbols Hk teri o 1 3 1 5 Impaired aA 1 4 1 6 General Safety Information sess eee 1 4 1 1 Safety Instructions 1 1 1 Introduction 1 1 Introduction Read these pages carefully before beginning to install and use the Test Tool The following paragraphs contain information cautions and warnings which must be followed to ensure safe operation and to keep the Test Tool in safe condition Warning Servicing described in this manual is to be done only by qualified service personnel To avoid electrical shock do not service the Test Tool unless you are qualified to do so 1 2 Safety Precautions For the correct and safe use of this Test Tool it is essential that both operating and service personnel follow generally accepted safety procedures in addition to the safety precautions specified in this manual Specific warning and caution statements where they apply will be found throughout the manual Where necessary the warning and caution statements and or symbols are marked on the Test Tool 1 3 Caution and Warning Statements Caut
10. Fa to start the probe calibration The first step is to manually adjust the square wave response to a pure square wave pulse top must be straight refer to fig 5 10 The trimmer to be operated is located in the probe housing and can be reached by rotating the centre part of the housing For further information refer to the probe instruction sheet When done press Fa to start the DC calibration that is performed automatically The Probe Calibration is OK if all instructions displayed on screen are finished succesfully Close the hole of the trimmer by rotating the centre part of the housing this is important for safe use of the probe at high input voltages Repeat the procedure for the blue VPS410 B probe connected between the blue Input B BNC and the probe cal terminals on the left side of the instrument Repeat the procedure for the gray VPS410 G probe connected between the gray Input C BNC and the probe cal terminals on the left side of the instrument 10 Repeat the procedure for the green VPS410 V probe connected between the green Input D BNC and the probe cal terminals on the left side of the instrument 5 19 Fluke 190 104 190 204 Service Information 5 20 Chapter 6 Disassembling the Test Tool Title Page ARKU AAE 6 3 6 2 Disassembly amp Reassembly Procedures rra 6 3 6 2 1 Required Tools sua 6 3 6 2 2 Removing the Tilt Stand Hang Strap and Side Strap 6 3 6 2 3 Opening the Test
11. Set the 5500 to source a 0 8 ms time marker MODE marker Using GENE move the trace to the right until the indicated trigger delay is 799 0 us Examine the rising edge of the time marker pulse at the vertical height of the trigger level indicator top Verify that the rising edge is at the second grid line from the left The allowed deviation 1s 3 pixels see Figure 4 7 lt 172 AUTO 10 5 7 990 5 TRIGGER x MANUAL OPTIONS AUTO TRIG SLOPE BCD 1 190c tb1 bmp Figure 4 7 Time Base Verification 4 6 9 Input A Trigger Sensitivity Test Proceed as follows to test the Input A trigger sensitivity 1 2 Connect the Test Tool to the 5500A as for the previous test see Figure 4 6 Select the following Test Tool setup e Reset the Test Tool RANGE e Using change the sensitivity range to select manual sensitivity ranging and lock the Input sensitivity range on 2 V div Using select the time base indicated under the second column of Table 4 8 Set the 5500A to source the leveled sine wave for the appropriate Test Tool model Adjust the 5500A output voltage until the displayed trace has the trigger amplitude indicated under the last column of Table 4 8 Verify that the Ea triggered If it is not press then using Fs enable the up down arrow keys for manual Trigger Level adjustment Adjust the trigger level and verify that the signal will be triggered now The trigger
12. Standby 4 7 Fluke 190 104 190 204 Service Information Table 4 1 Vertical Accuracy Verification Points V ac sine 50 Hz 6 divisions Note The vertical accuracy test can also be done with voltage This method is advised for automatic verification using the Fluke Met Cal Metrology Software For each sensitivity range you must proceed as follows 1 Apply a 3 divisions voltage and adjust the voltage until the trace is at 3 divisions Write down the applied voltage V1 2 Apply a 3 divisions voltage and adjust the voltage until the trace is at 3 divisions Write down the applied voltage V2 3 Verify that V1 V2 6 x range 2 1 0 04 x range Example for range 10 mV div range div figure doubles because 2 measurements V1 and V2 are done for one accuracy check The allowed V1 V2 60 mV 40 021 x 60 0 08 x 10 60 mV H1 26 0 8 60 mV 2 06 mV 4 6 2 Input A DC Voltage Accuracy Test WARNING Dangerous voltages will be present on the calibration source and connecting cables during the following steps Ensure that the calibrator is in standby mode before making any connection between the calibrator and the Test Tool Proceed as follows to verify the automatic dc voltage scope measurement Performance Verification 4 4 6 Scope Input A B C D Tests Connect the Test Tool to the 5500A as shown in see Figure 4 4 CONNECT TO CHANNEL A B C D IN PARALLEL NO 50 OHM TERMINATION
13. Tool to the 5500A as shown in Figure 5 7 5 13 Fluke 190 104 190 204 Service Information 5 14 3 gt CONNECT CHANNEL D IN PARALLEL NO 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 5 7 Test Tool Input ABCD to 5500A SCOPE Output Set the 5500A to supply I kHz square wave SCOPE MODE volt SCOPE Z 1 MQ to the first calibration point in Table 5 5 A Warning Dangerous voltages will be present on the calibration source and connection cables during the following steps Ensure that the calibrator is in standby mode before making any connection between the calibrator and the Test Tool Set the 5500A to operate OPR Press NN to start the calibration Wait until the display shows calibration status READY Press ZO to select the next calibration step set the 5500A to the next calibration point and start the calibration Continue through all calibration points of Table 5 5 Set the 5500A to Standby and continue at Section 5 6 7 Calibration Adjustment 5 6 Final Calibration Table 5 5 Input ABCD Gain Calibration Points 5 6 7 Input ABCD Position Proceed as follows to do the Input ABCD Position calibration Press EN to select calibration adjustment step CL 0619 Remove all Input A B C D connections open inputs Press to start the calibration Wait until the display shows calibration status READY a gt amp OTE Continue at Section 5 6 8 5 6 8 Input ABCD Vol
14. Trace for NTSC line 262 7 Apply the inverted TV Signal Generator signal to the Test Tool Invert the signal by using a Banana Plug to BNC adapter Fluke PM9081 001 and a Banana Jack to BNC adapter Fluke PM9082 001 as shown in Figure 4 16 4 29 Fluke 190 104 190 204 Service Information 4119 75 75 OHM USE 75 OHM TERMINATION USE 75 OHM COAX CABLE PM9082 PM9081 Figure 4 16 Test Tool Input A to TV Signal Generator Inverted 8 Selectthe following Test Tool setup e Press SA to open the Trigger Options menu e Choose VIDEO on A then from the shown opened menu choose Polarity NEGATIVE PAL or NTSC or PALplus or SECAM 9 Using EO select line number 310 PAL or SECAM or 262 NTSC 10 Observe the trace and check to see if the Test Tool triggers on line number 310 PAL or SECAM see Figure 4 17 or line number 262 NTSC see Figure 4 18 10 5 Trig Line310 E 10 5 Trig Line262 FIELD ALL LINES E FIELD ALL LINES B JOS Figure 4 17 Trace for PAL SECAM line 310 Figure 4 18 Trace for NTSC line 262 Negative Negative Video Video 4 6 18 Video test using SC600 Scope Calibration Option You can skip this test if you did test 4 6 17 Video test using the Video Pattern Generator Only one of the systems NTSC PAL PALplus or SECAM has to be verified Proceed as follows 4 30 Performance Verification 4 4 6 Scope Input Tests 1 Connect the Test Tool to the calibrator
15. and release CLEAR MENU The Test Tool shows the calibration menu in the bottom of the display e Do not press CEN now If you did turn the Test Tool off and on and start at 4 e Pressing will toggle the menu on off Press Lil PREVIOUS three times The Test Tool shows Contrast CL 0100 Press SG CALIBRATE The Test Tool shows a dark display the test pattern as shown in Figure 4 2 may be not visible or hardly visible Observe the display closely and verify that the display shows no abnormalities as for example very light pixels or lines Figure 4 2 Display Test Pattern Press F2 The test pattern is removed the Test Tool shows Contrast CL 0100 Press SS again to do the next step Contrast CL 0110 Press CALIBRATE The Test Tool shows the display test pattern shown in Figure 4 2 at default contrast 4 5 Fluke 190 104 190 204 Service Information Observe the display closely and verify that the display shows no abnormalities Also verify that the contrast of the upper left and upper right square of the test pattern is equal 10 Press zc The test pattern is removed the Test Tool shows Contrast CL 0110 11 Press SS again to do the next step Contrast CL 0120 12 Press CALIBRATE The Test Tool shows a light display the test pattern as shown in Figure 4 2 may not be visible or hardly visible Observe the display closely and verify that the display shows no abnormalities 13 Turn th
16. e Ifyou did the WarmingUp and Pre Calibration successfully section 5 5 and you want to store the Pre Calibration data before continuing with the Final Calibration gt Press Fa YES When turning the Test Tool off and on again it will show the message The instrument needs calibration Please contact your service center The calibration date and number will not be updated You must continue with the Final Calibration e To return to the Maintenance mode if you want to repeat the complete calibration Press Now press ET until the display shows WarmingUp CL 0200 IDLE and calibrate the Test Tool starting at section 5 5 e If you want to exit and maintain the old calibration data Turn the Test Tool off Calibration Adjustment 5 8 Probe Calibration To meet full user specifications you need to adjust the supplied red R blue B gray G and green V VPS410 10 1 voltage probes for optimal response To adjust the VPS410 probes do the following 1 Connect the red probe from the red Input BNC to the banana jacks See figure 5 9 ST7991 WMF Probe Cal Ref ST8416 WMF Figure 5 9 10 1 Probe Calibration Connection Figure 5 10 10 1 Probe Calibration Ei and then to open Probe menu Select Probe Type Voltage Attenuation 10 1 Press Press 28 PROBE Press Ea PROBE CAL and follow the instructions as displayed on screen Press
17. negative pulse before the marker 8 Select the following Test Tool setup e Press mg to open the Trigger Options menu e Choose VIDEO on A then from the shown opened menu choose Polarity NEGATIVE PAL or NTSC or PALplus or SECAM 9 Setthe calibrator video trigger output signal to 100 10 Using EO select line number 310 PAL PALplus or SECAM or 262 NTSC 11 Set the calibrator format and marker line number to PAL 310 odd for PAL and PALplus SECAM 310 odd for SECAM gt NTSC 262 odd for NTSC 12 Observe the trace and check to see if the Test Tool triggers on the positive pulse before the marker video sc600 bmp Figure 4 20 SC600 Marker Pulse 4 7 Probe Calibration Generator Test To verify Connect a 10 1 probe as supplied with the Test Tool to input A red probe Connect the probe tip and the probe s ground lead with the probe cal terminals on the lower left side of the Test Tool as shown in figure 4 21 and then Fs to open the Probe on A menu Select Probe Type Voltage Attenuation 10 1 Press N Press PROBE A Press LEN PROBE CAL and follow the instructions as displayed on screen 1 Press AN Sv O amp 2 Press to start the probe calibration The first step is to manually adjust the square wave response to a pure square wave pulse top must be straight The trimmer to be operated is located in the probe housing and can be reached by
18. of Table 4 14 5 Adjustthe 5500A output voltage until the displayed trace has the amplitude indicated under the appropriate column of Table 4 14 6 Verify that the signal is well triggered If it is not press then using enable the up down arrow keys for manual Trigger Level adjustment Adjust the trigger level and verify that the signal will be triggered now The trigger level is indicated by the trigger icon J 7 Continue through the test points 8 When you are finished set the 5500A to Standby Table 4 14 Input B Trigger Sensitivity Test Points UUT UUT 5500A SC MODE levsin UUT Model Time base Initial Input Voltage Trigger Amplitude 4 26 Performance Verification 4 4 6 Scope Input Tests 190 104 10 ns div 400 mV pp 100 MHz 10 ns div 800 mV pp 150 MHz 190 204 10 ns div 400 mV pp 200 MHz 10 ns div 800 mV pp 250 MHz i 4 6 16 Input D AC Voltage Accuracy HF amp Bandwidth Test Proceed as follows to test the Input D high frequency automatic scope ac voltage measurement accuracy and the bandwidth 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 10 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press SS RECALL select SCREEN SETUP 1 press to recall the setup e Press Score then press READING 2 and select on D V AUTO e Press to select autoranging AUTO in
19. press toggle key to select INPUT D ON 10 Press E to change D setting O SS rd mns 11 Select Probe Type Voltage Attenuation 1 1 12 Press The inverse text indicates the actual settings 13 Press to change the PROBE A setting 14 Select Probe Type Voltage Attenuation 1 1 15 Press 38998 16 Press Ll READINGS ON 17 Press READING and select with READINGS and with the arrow keys Reading 1 on A V dc Reading 2 on B V dc Reading 3 on C V dc Reading 4 on D V dc 18 Press Fa CLOSE 19 Press WAVEFORM OPTIONS and select Glitch Off Acquisition Normal Average Off Waveform NORMAL MANUAL 20 Press to select MANUAL ranging MANUAL in upper left of screen 21 Press kal 22 Press 1__ SAVE Performance Verification 4 5 Display and Backlight Test 23 24 25 26 27 Using a select SCREEN SETUP Press QA Using GS select OK SAVE Remember the name under which the settings are saved for instance SCOPE 1 Press to save the settings EZ Press Bx to leave the Hold mode 4 5 Display and Backlight Test Proceed as follows to test the display and the backlight 1 2 3 4 Press to turn the Test Tool on Remove the BC190 power adapter and verify that the backlight is dimmed Apply the BC190 power adapter and verify that the backlight brightness increases Press and hold USER then press
20. that the signal is well triggered If it is not press then using enable the up down arrow keys for manual Trigger Level adjustment Adjust the trigger level and verify that the signal will be triggered now The trigger level is indicated by the trigger icon J 7 Continue through the test points 8 When you are finished set the 5500A to Standby Table 4 12 Input C Trigger Sensitivity Test Points UUT UUT 5500A SC MODE levsin UUT Model Time base Initial Input Voltage Trigger Amplitude 4 24 Performance Verification 4 4 6 Scope Input Tests 190 104 10 ns div 400 mV pp 100 MHz 10 ns div 800 mV pp 150 MHz 190 204 10 ns div 400 mV pp 200 MHz 10 ns div 800 mV pp 250 MHz i 4 6 14 Input C AC Voltage Accuracy HF amp Bandwidth Test Proceed as follows to test the Input C high frequency automatic scope ac voltage measurement accuracy and the bandwidth 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 9 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press 2 RECALL select SCREEN SETUP 1 press to recall the setup e Press Score then press READING 2 and select on C V AUTO e Press to select autoranging AUTO in upper right LCD edge e Using and Ba change the sensitivity range to select manual sensitivity ranging and lock the Input C sensitivity range on 500 mV div
21. 3 2 Do the Contrast Calibration Adjustment section 5 4 3 Do the WarmingUp amp PreCalibration section 5 5 4 5 6 Do the Final Calibration section 5 6 Save the Calibration Data and Exit the calibration mode section 5 7 Do the probe Calibration section 5 8 The following partial calibrations are allowed Contrast calibration do the above mentioned steps 1 2 and 5 If during normal operation the display cannot be made dark or light enough or if the display after Test Tool reset is too light or too dark you can do this calibration Probe calibration do the above mentioned step 6 The probe calibration matches the probe to the used input channel 5 3 Starting the Calibration Follow the steps below to start the calibration 1 2 Power the Test Tool via the power adapter input using BC190 power adapter Check the actual Test Tool date and adjust the date if necessary the calibration date will become the Test Tool date when saving the calibration data e Press EN toggles the menu bar on off e press C to open the OPTIONS menu using DO select DATE ADJUST e press to open the DATE ADJUST menu e adjust the date if necessary Press to activate all selections and to leave the menu Calibration Adjustment 5 3 Starting the Calibration 3 Select the calibration mode The Calibration Adjustment Procedure uses built in calibration setups that can be accessed in the calibration mode To en
22. FLUKE Fluke 190 104 190 204 ScopeMeter 190 Series II Service Manual 482287205405 PN 4822 872 05405 March 2011 E BaT EIKS Gorpon ration All rights r ENKO egizta All product s are tr adem arks of thei espective compan PLACING ORDERS AND GETTING ASSISTANCE To locate an authorized service center visit us on the World Wide Web http www fluke com or call Fluke using any of the phone numbers listed below 1 888 993 5853 in U S A and Canada 31 40 2675200 in Europe 1 425 446 5500 from other countries Table of Contents Chapter Title Page 1 Safety AEE 1 1 1 Introd ction AAA 1 3 1 2 Safety Precautions sc x teet ae trit est tec rtr oL e n ent 1 3 1 3 Caution and Warning Statements sse 1 3 UEa rte eere eet t rere 1 3 1 5 Impaired Ba EAEE 1 4 1 6 General Safety Information ener 1 4 1 7 Safe Handling and Use of Li ion battery pack 1 4 2 Characteristics ANANA 2 1 3 List of Replaceable ELA GA 3 1 3 1 desee au 3 3 3 2 Howto Obtain Parts raa Gaika ee er be Aada dele 3 3 3 3 Final Assembly Partzuer 3 4 325 ACCESSOTIES ATE tte n ee der e Ge 3 7 4 Performance Verification esse 4 1 4 lIntroduction i e a rt Te AM Rue ne to 4 3 4 2 Equipment Required For Verification rra 4 3 4 3 General Instructions eee rem 4 3 4 4 Operating 4 4 4 4 1 Resetting the Test Tool eerte ci tete tta 4 4 4 4 2
23. Frequency 4 13 4 6 5 Input and Peak Measurements IgG 4 14 4 6 6 Input A B C D Frequency Measurement Accuracy Test 4 15 4 6 7 Input A amp B Phase Measurements TS 4 17 4 6 8 Lime Base Testaan m rene pet tette i esed enn 4 18 4 6 9 Input A Trigger Sensitivity Test 4 19 4 6 10 Input A AC Voltage Accuracy HF amp Bandwidth Test 4 21 4 6 11 Input B Trigger Sensitivity 4 22 4 6 12 Input AC Voltage Accuracy HF amp Bandwidth Test 4 23 4 6 13 Input C Trigger Sensitivity ISS 4 24 4 6 14 Input C AC Voltage Accuracy HF amp Bandwidth Test 4 25 4 6 15 Input D Trigger Sensitivity TS 4 26 4 6 16 Input D AC Voltage Accuracy HF amp Bandwidth Test 4 27 4 6 17 Video test using the Video Pattern Generator rra 4 28 4 6 18 Video test using SC600 Scope Calibration Option 4 30 4 7 Probe Calibration Generator Tegi 4 32 Fluke 190 104 190 204 Service Information 4 1 Introduction Warning Procedures in this chapter should be performed by qualified service personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so The Fluke 190 104 100 MHz 190 204 200 MHz ScopeMeter Test Tool referred to as Test Tool should be calibrated and in operating condition when you receive it The followi
24. NS and select Polarity Normal Bandwidth 20 kHz HF reject e Press press Fa INPUT C OPTIONS and select Polarity Normal Bandwidth 20 kHz HF reject e Press press ENIN INPUT D OPTIONS and select Polarity Normal Bandwidth 20 kHz HF reject e Press to clear the softkey menu and to see the full screen Note The 20 kHz bandwidth limiter rejects calibrator noise It does not affect the gain accuracy at a 50 Hz input signal Using change the time base to select manual time base ranging and lock the time base on 10 ms div EN MOVE Press A Using and 2 move the Input A ground level indicated by the zero icon in the left margin to the center grid line mV Using and set the Input sensitivity range to the first test point in Table 4 1 Set the 5500A to source the appropriate initial ac voltage Adjust the 5500A output voltage until the displayed Input trace amplitude is 6 divisions Observe the 5500A output voltage and check to see if it is within the range shown under the appropriate column Continue through the test points Next check channel B C or D in succession Connect channel B C or D input to 5500A Press and select or D as trigger source with Press to assign vertical range and move to channel Observe the 5500A output voltage and check to see if it is within range When you are finished set the 5500A to 0 zero Volt and to
25. Navigating through menu s sr 4 4 4 4 3 Creating Test Tool Sg 4 5 4 5 Display and Backlight TS 4 6 4 6 Scope Input A B C D TGGiS rss 4 7 4 6 1 Input B C D Vertical Accuracy TS 4 7 4 6 2 Input A B C D DC Voltage Accuracy 4 9 4 6 3 Input B C D AC Voltage Accuracy Test LF 4 13 4 6 4 Input B C D AC Coupled Lower Frequency 4 14 4 6 5 Input and Peak Measurements IgG 4 15 4 6 6 Input A B C D Frequency Measurement Accuracy Test 4 16 4 6 7 Input A amp B Phase Measurements TS 4 18 4 6 8 Time Base og arai aate eae 4 19 4 6 9 Input A Trigger Sensitivity Test 4 20 4 6 10 Input A AC Voltage Accuracy HF amp Bandwidth Test 4 22 4 6 11 Input B Trigger Sensitivity ISS 4 23 4 6 12 Input AC Voltage Accuracy HF amp Bandwidth Test 4 24 4 6 13 Input C Trigger Sensitivity 4 25 Fluke 190 104 190 204 Service Manual 4 6 14 Input C AC Voltage Accuracy HF amp Bandwidth Test 4 26 4 6 15 Input D Trigger Sensitivity TGG 4 27 4 6 16 Input D AC Voltage Accuracy HF amp Bandwidth Test 4 28 4 6 17 Video test using the Video Pattern Generator ru 4 29 4 6 18 Video test using SC600 Scope Calibration Option 4 31 4 7 Probe Calibration Generator IS
26. S 4 33 Calibration 5 1 Al Gen ral STA 5 3 51 1 Pep E ran 5 3 5 1 2 Calibration number and ditza 5 3 5 1 3 General Instructions eese nennt 5 3 5 1 4 Equipment Required For Calibration sa 5 4 5 2 Calibration Procedure ETS 5 4 5 3 Starmmg the Calibration RR wen tte sp a ed 5 4 5 4 Contrast Calibration Adjustment rra 5 6 5 5 Warming Up amp Pre Calibration ra 5 7 5 6 Final Calibration iere eene bep teet iet aetan 5 8 5 6 1 Warm Up Final and ADC Timing rra 5 8 5 6 2 Input A G i eene be er trea 5 9 5 6 3 Input B LF HF GGI 5 10 5 6 4 Input C LF HF a 5 11 5 6 5 Input D LE HE LEE 5 12 5 6 6 Input ABCD LF HF GG 5 13 5 6 7 Input ABCD Position rra 5 15 5 6 8 Input ABCD Volt UGT 5 15 5 6 9 Input ABCD Zero toi tarea Etara 5 17 5 7 Save Calibration Data and ESU rruna 5 17 5 8 Probe Calibration erit traer oet into namu Arla vaava ee ae tho 5 19 Disassembling the Test TOGO 6 1 HORNO UAN 6 3 6 2 Disassembly amp Procedures rra 6 3 6 2 1 Required Tools rrua 6 3 6 2 2 Removing the Tilt Stand Hang Strap and Side Strap 6 3 6 2 3 Opening the Test Tool Removing the Battery 6 4 6 2 4 Getting access to Top Side of PCA sa 6 4 6 2 5 Getting access to Bottom Side of 6 5
27. Tool Removing the Battery 6 4 6 2 4 Getting access to Top Side of PCA rra 6 4 6 2 5 Getting access to Bottom Side of PCA ss 6 5 6 2 6 Getting access to LCD Keypad Foil and 6 5 6 2 7 Pictures Showing Disassembly Steps rra 6 6 Disassembling the Test Tool 6 1 Introduction 6 1 Introduction This section provides the required disassembling procedures The printed circuit assembly removed from the Test Tool must be adequately protected against damage The Test Tool contains static sensitive components Handling and servicing these components should be done only at static free workstation by qualified personnel The Test Tool contains a Li ion battery pack Refer to the Fluke 190 104 190 204 Fluke 190 Series II Users Manual Safety Information Chapter page 4 onwards for instructions how to safely handle and use this battery pack The Users Manual can be downloaded from Fluke s website In the Test Tool a number of selftapping screws are used When mounting these screws again it is advised to use a hand operated screwdriver and reisert them into the tracks already present in the plastic This assures a longer life At the end of this chapter a number of pictures shows the various stages of disassembling Warning To avoid electric shock disconnect test leads probes and power supply from any live source and from the Test Tool itself A
28. ading 2 on B V ac Reading 3 on V ac Reading 4 on D V ac e Press A then using 2 select COUPLING e Press then using F2 select COUPLING AC e Press then using F2 select COUPLING AC e Press D then using F2 select COUPLING AC e Press to clear the softkey menu and to see the full screen na 3 Using change the time base to select manual time base ranging and lock the time base on 50 ms div 4 Press A 5 using A and E move the Input A ground level indicated by the zero icon NM in the left margin to the center grid line 5 Using EZ select manual vertical ranging and set the Input A sensitivity range to 500 mV 6 Set the 5500A to source the appropriate ac voltage and frequency according to Table 4 4 7 Observe the reading and check to see if it is within the range shown under the appropriate column 8 Continue through the test points 9 Next check channel B C or D in succession Press and select B C or D as trigger source with Su Press or D to assign vertical range and move to channel C or D Observe reading B C or D 10 When you are finished set the 5500A to 0 zero Volt and to Standby Table 4 4 Input A B C D AC Input Coupling Verification Points 5500A output V rms 5500A Frequency Reading A B C D 4 6 5 Input and Peak Measurements Test WARNING Dangerous voltages will be present on the calibration source and connecting
29. c Voltage measurement accuracy 1 2 Connect the Test Tool to the 5500 as for the previous test see Figure 4 4 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press F2 RECALL select SCREEN SETUP 1 press to recall the setup e Press then press ENIN INPUT A OPTIONS e Select Polarity Normal Bandwidth 20 MHz HF Reject Offset Range Normal e Press then press INPUT B OPTIONS e Select Polarity Normal Bandwidth 20 MHz HF Reject Offset Range Normal e Press then press INPUT C OPTIONS e Select Polarity Normal Bandwidth 20 MHz HF Reject Offset Range Normal e Press ZI then press INPUT D OPTIONS e Select Polarity Normal Bandwidth 20 MHz HF Reject Offset Range Normal e Press to clear the softkey menu and to see the full 8 divisions screen Using change the time base to select manual time base ranging Lock the time base on 20 us div for the 20 kHz signals and on 10 ms div for the 60 Hz signal Press MW using and E move the Input A ground level indicated by the zero icon the left margin to the center grid line Using and select manual vertical ranging and set the Input sensitivity range to the first test point in Table 4 3 The sensitivity ranges is indicated in the lower display edge Set the 5500A to source the appropriate ac voltage Observe reading A an
30. cables during the following steps Ensure that the calibrator is in standby mode before making any connection between the calibrator and the Test Tool Proceed as follows to test the Peak measurement accuracy 4 14 Performance Verification 4 4 6 Scope Input A B C D Tests 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 4 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press RECALL select SCREEN SETUP 1 press to recall the setup e Press score e Press Lan READINGS ON e Press E READING and select with READINGS and with the arrow keys Reading 1 on A Peak and next Peal Peak Reading 2 on B Peak and next Peal Peak Reading 3 on C Peak and next Peal Peak Reading 4 on D Peak and next Peal Peak e Press to clear the softkey menu and to see the full screen 3 Using change the time base to select manual time base ranging and lock the time base on 1 ms div 4 Press A using MA and EA move the Input A ground level indicated by the zero icon Bil in the left margin to the center grid line 5 Using select manual vertical ranging and set the Input A sensitivity range to 100 mV 6 Setthe 5500 to source the appropriate ac voltage and frequency according to Table 4 5 7 Observe reading A and check to see if it is within the range shown under the appropriate
31. cessful Most probably the unit will not meet the specifications if the actual calibration data are saved Calibration adjustment step in progress progress for Input A and Input B During WarmingUp the elapsed time is shown Calibration adjustment step finished Calibration adjustment failed due to wrong input signal s or because the Test Tool is defective If the error code is 5000 you can repeat the failed step If the error code is 25000 you must repeat the complete final calibration start at 5 6 1 Functions of the keys F1 F4 are LEN PREVIOUS select the previous step next select the next step 5 5 Fluke 190 104 190 204 Service Information Ey CALIBRATE start the calibration adjustment of the actual step leave the calibration mode 5 4 Contrast Calibration Adjustment After entering the calibration mode the display shows WarmingUp CL 0200 IDLE valid Do not press CEN now If you did turn the Test Tool off and on and enter the calibration mode again Proceed as follows to adjust the maximum display darkness CL 0100 the default contrast CL 0110 and the maximum display brightness CL 0120 1 Press rcc three times to select maximum darkness calibration Contrast CL 0100 2 Press sm CALIBRATE The display will show a dark test pattern see Figure 5 2 3 Using E adjust the display to the maximum darkness at which the test pattern is only just visible Press F
32. column 8 Continue through the test points 9 Now check channel B C or D in succession Press and select B C or D as trigger source with KIN Press or D to assign vertical range and move to channel or D Observe reading B C or D 10 When you are finished set the 5500A to 0 zero Volt and to Standby Table 4 5 Volts Peak Measurement Verification Points 5500A output Vrms sine 5500A Freguency Reading A B C D 4 6 6 Input A B C D Freguency Measurement Accuracy Test Proceed as follows to test the freguency measurement accuracy 1 Connect the Test Tool to the 5500 as shown in Figure 4 5 Do NOT use 50 terminations 4 15 Fluke 190 104 190 204 Service Information PM9091 PM9092 CONNECT TO CHANNEL D IN PARALLEL NO 50 OHM TERMINATION Figure 4 5 5500A Scope Output to Test Tool Input 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press FEN RECALL select SCREEN SETUP 1 press to recall the setup e Press score e Press READINGS ON e Press F2 READING and select with Ku READINGS and with the arrow keys Reading 1 on A Hz Reading 2 on B Hz Reading 3 on C Hz Reading 4 on D Hz mV R 3 Press A using and B B KI 4 Using E T select the reguired time base setting J select range 50 mV div for A 5 Setthe 5500A to source a si
33. d 5 7 Fluke 190 104 190 204 Service Information 5 6 Final Calibration Before starting the final calibration you must have done the WarmingUp amp PreCalibration section 5 5 The final calibration requires input conditions that will be described in each step After starting step several steps that require the same input conditions will be done automatically So if you start for example calibration step CL 0852 the calibration can include also step CL 0929 and at the end the display then shows CL 0929 READY You must always start the Final Calibration at the first step see Section 5 6 1 Starting at another step will make the calibration invalid If you proceeded to calibration step N for example step CL 0481 then return to a previous step for example step CL 0480 and then calibrate this step the complete final calibration becomes invalid then you must repeat the calibration starting at 5 6 1 It is allowed to repeat a step that shows the status READY by pressing CEN again Error messages Proceed as follows if an error message ERROR nnnn is displayed during calibration e ifnnnn 5000 then check input signal and test leads and repeat the current step by pressing again e ifnnnn 2 5000 then check input signal and test leads and repeat the final calibration starting at section 5 6 1 If the error persists the Test Tool is defective 5 6 1 Warm Up Final and ADC Timing 5 8 Proceed as follows 1 Th
34. d check to see if it is within the range shown under the appropriate column Continue through the test points Performance Verification 4 4 6 Scope Input Tests 9 Next check channel in succession Press and select B C or D as trigger source with Fi Press B C or D to assign vertical range and move to channel B or D Observe reading B C or D 10 When you are finished set the 5500A to 0 zero Volt and to Standby Table 4 3 Volts AC Measurement Verification Points 5500A Le Input A B C D Reading ac Frequency 2 mV div Select 10 ms div 4 mV 3 0 mV to 5 0 mV to prevent OL due to calibrator noise see step 2 5 mV div Select 20 dee 10 mV 20 kHz 8 3 mV to 11 7 mV rr me mug mV div 180mVio220mV 0 mV to 22 0 mV urz za vom eze 4 6 4 Input A B C D AC Coupled Lower Frequency Test Proceed as follows to test the ac coupled input low frequency accuracy 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 4 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press I RECALL select SCREEN SETUP 1 press HZ to recall the setup e Press score e Press READINGS 4 13 Fluke 190 104 190 204 Service Information e Press 2 READING and select with READINGS and with the arrow keys Reading 1 on A V ac Re
35. dby Table 4 9 HF AC Voltage Verification Points UUT 5500A SC MODE levsine UUT Model Voltage Reading A 2 545 Vpp 25 MHz 790 mV to 1 010 V 190 104 2 545 Vpp 100 MHz gt 630 mV 190 204 2 545 Vpp 200 MHz gt 630 mV 4 21 Fluke 190 104 190 204 Service Information 4 6 11 Input B Trigger Sensitivity Test Proceed as follows to test the Input B trigger sensitivity 1 Connect the Test Tool to the 5500A as shown in Figure 4 8 USE 50 OHM TERMINATION FLUKE 5500 CALIBRATOR Figure 4 8 5500A Scope Output to Test Tool Input B 2 Select the following Test Tool setup e Press and usc to turn Input on e Press and use to turn Input off e Press B using ES move the Input B trace zero to the center grid line e Press and use Su to select Input as trigger source RANGE e Using ER and 225 change the sensitivity range to select manual sensitivity ranging and lock the Input B sensitivity range on 2 V div 3 Using select the time base indicated under the first column of Table 4 10 4 Set the 5500A to source the leveled sine wave given in the first row of Table 4 10 5 Adjust the 5500A output voltage until the displayed trace has the amplitude indicated under the appropriate column of Table 4 10 6 Verify that the signal is well triggered If it is not press then using enable the up down arrow keys for manual Trigger Level adjustment Adjust the trigger level and veri
36. e Test Tool OFF and ON to exit the calibration menu and to return to the normal operating mode If the maximum minimum or default display contrast is not OK then you can adjust these items without performing complete calibration adjustment refer to Section 5 for detailed information 4 6 Scope Input A B C D Tests 4 6 1 Input A B C D Vertical Accuracy Test WARNING Dangerous voltages will be present on the calibration source and connecting cables during the following steps Ensure that the calibrator is in standby mode before making any connection between the calibrator and the Test Tool Proceed as follows 1 Connect the Test Tool to the 5500A as shown in Figure 4 3 The vertical channels and are checked in succession so that there is one waveform on the screen at time This assures the highest possible readout accuracy CONNECT TO CHANNEL D IN SUCCESSION NO 50 OHM TERMINATION PM9081 FLUKE 5500A CALIBRATOR Figure 4 3 Test Tool Inputs A B C D to 5500A Normal Output 2 Select the following Test Tool setup 4 6 10 11 Performance Verification 4 4 6 Scope Input Tests e Recall the created setup e g SETUP 1 see section 4 4 3 press RECALL select SCREEN SETUP 1 press to recall the setup e Press Press Fa INPUT A OPTIONS and select Polarity Normal Bandwidth 20 kHz HF reject e Press press Fa INPUT B OPTIO
37. e Warm Up Final step CL 0201 must be done with open inputs Press to start the calibration Wait until the display shows calibration status READY 2 3 4 Press 1 to select the next calibration step CL 0570 5 Connect the Test Tool to the 5500 SCOPE output as shown in Figure 5 3 Use 500 termination 6 Set the 5500A to generate a sine wave 50 MHz 0 5 V pp mode LEVSINE at the SCOPE output 7 Setthe 5500A in operate OPR 8 Press to start the calibration 9 Wait until the display shows calibration status READY 10 Set the 5500A in standby STBY 11 Continue at Section 5 6 2 Calibration Adjustment 5 6 Final Calibration PM9091 USE 50 OHM TERMINATION Figure 5 3 5500A SCOPE Output to Test Tool Input A 5 6 2 Input LF HF Gain Proceed as follows to do the Input A LF HF Gain calibration 1 2 Sk AA d Connect the Test Tool to the 5500 as shown in Figure 5 3 The display must show step CL 0654 Ifit does not then press EN Or F2 to select the first calibration step in Table 5 1 Set the 5500A SCOPE output to source the signal required for the first calibration point in Table 5 1 Set the 5500A in operate OPR or standby STBY as indicated Press F3 to start the calibration Wait until the display shows calibration status READY Press EN to select the next calibration step set the 5500A to the next calibration point signal and start the calibration Contin
38. e figure below shows this 2 Remove the flat cables from connector X9303 to LCD J9414 to keyboard J9415 to LCD backlight 3 Remove 4 screws M3x that fix the PCA to the lower chassis Shielding Assy 4 Carefully slide the PCA out of the BNC holes 5 The A B C D input circuits are covered with 2 isolation foils a small one around channel B and C a larger one around all four channels Remove the foils as far as required to repair a defective channel Take careful notice on how the foil is positioned around the PCA and through the notches in the PCA that are inbetween the channels Next remove a screw M3x20 that fixes the top and bottom screening of the suspected channel 6 Reinsert the flatcables again if you want to measure the bottom side of the PCA under working condition See the figures at the end of this chapeter Note Before fixing the PCA again to the lower chassis plate it is advised to put the isolation foils around the channels in place sT8682 6 2 6 Getting access to LCD Keypad Foil and Keypad Proceed as follows 1 Unlock both flat cables by shifting the connector latch at the left and right edge using a small screwdriver The latch is an integral part of the connector body 2 Remove the flat cables from connector X9303 to LCD J9414 to keyboard J9415 to LCD backlight 3 Remove 6 selftapping screws 10 5 mm long total length that fix the Main PCA module to the top case assembly 4 Se
39. enu you opened indicates that READING 1 that is the upper left reading shows the result of a freguency measurement Hz on Input A on A Press OD or EO to highlight the function to be selected Press to confirm the selection The active function in the next menu group will be highlighted now If the confirmation was made in the last most right menu group the menu will be closed MANUAL READING 1 Hz Temp Adc Rise time dB A ac dc Fall time Power Pulse Phase Duty READINGS 234 ws read1 bmp Figure 4 1 Menu item selection 4 3 Fluke 190 104 190 204 Service Information 4 4 3 Creating Test Tool Setup1 Before starting the verification procedure you must define standard Test Tool setup called SETUP 1 During verification you will be asked to recall this setup This defines the initial Test Tool setup for each verification Proceed as follows to create a setup for instance SETUP1 1 Reset the Test Tool Input is ON other inputs are OFF now 2 Press The black text with yellow background indicates the actual settings Press Su toggle key to select INPUT ON The Input trace will become visible Q Press E to change setting Select Probe Type Voltage Attenuation 1 1 Press and press Hoen toggle key to select INPUT C ON Press to change the PROBE setting Select Probe Type Voltage Attenuation 1 1 Press EDEN and
40. fy that the signal will be triggered now The trigger level is indicated by the trigger icon J 7 Continue through the test points 8 When you are finished set the 5500A to Standby Table 4 10 Input B Trigger Sensitivity Test Points UUT UUT 5500A SC MODE levsin UUT Model Time base Initial Input Voltage Trigger Amplitude 4 22 Performance Verification 4 4 6 Scope Input Tests 190 104 10 ns div 400 mV pp 100 MHz 10 ns div 800 mV pp 150 MHz 190 204 10 ns div 400 mV pp 200 MHz 10 ns div 800 mV pp 250 MHz i 4 6 12 Input B AC Voltage Accuracy HF amp Bandwidth Test Proceed as follows to test the Input B high frequency automatic scope ac voltage measurement accuracy and the bandwidth 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 8 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press SS RECALL select SCREEN SETUP 1 press to recall the setup e Press Score then press READING 2 and select ac AUTO e Press to select autoranging AUTO in upper right LCD edge e Using and Ba change the sensitivity range to select manual sensitivity ranging and lock the Input B sensitivity range on 500 mV div 3 Set the 5500A to source a sine wave to the first test point in Table 4 11 4 Observe the Input B reading and check to see if it is within the range shown under t
41. he appropriate column of table 4 11 5 Continue through the test points 6 When you are finished set the 5500A to Standby Table 4 11 HF AC Verification Points 5500A 5500 SC MODElevsin MODE levsin UUT IE AEE Voltage 2 545 Vpp 25 MHz 790 mV to 1 010 V 190 104 2 545 Vpp 100 MHz gt 630 mV 190 204 2 545 Vpp 200 MHz gt 630 mV 4 23 Fluke 190 104 190 204 Service Information 4 6 13 Input C Trigger Sensitivity Test Proceed as follows to test the Input C trigger sensitivity 1 Connect the Test Tool to the 5500 as shown in Figure 4 9 PM9091 PM9585 50 OHM USE 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 4 9 5500A Scope Output to Test Tool Input 2 Select the following Test Tool setup e Press and use Su to turn Input on e Press and use Su to turn Input off e Press C using ES move the Input C trace zero to the center grid line e Press and use E to select Input C as trigger source Ex RANGE e Using and 225 change the sensitivity range to select manual sensitivity ranging and lock the Input C sensitivity range on 2 V div 3 Using select the time base indicated under the first column of Table 4 12 4 Set the 5500A to source the leveled sine wave given in the first row of Table 4 12 5 Adjust the 5500A output voltage until the displayed trace has the amplitude indicated under the appropriate column of Table 4 12 6 Verify
42. ion Used to indicate correct operating or maintenance procedures to prevent damage to or destruction of the equipment or other property Warning Calls attention to potential danger that requires correct procedures or practices to prevent personal injury 1 4 Symbols The following symbols are used on the Test Tool in the Users Manual in this Service Information or on spare parts for this Test Tool See explanation in Users Manual 88 DOUBLE INSULATION Protection Class N Live voltage Earth Ground Static sensitive components Recycling information black yellow Li lon Conformit Europ enne Disposal information A A Safety Approval Li ion Battery Pack Safety Approval MH25771 C US 1 3 Fluke 190 104 190 204 Service Manual 1 5 Impaired Safety Whenever it is likely that safety has been impaired the Test Tool must be turned off and disconnected from line power The matter should then be referred to qualified technicians Safety is likely to be impaired if for example the Test Tool fails to perform the intended measurements or shows visible damage 1 6 General Safety Information Warning Removing the Test Tool covers or removing parts except those to which access can be gained by hand is likely to expose live parts and accessible terminals which can be dangerous to life The Test Tool shall be disconnected from all voltage sources before it is opened Capacitors inside the Te
43. ke 190 104 190 204 ScopeMeter 190 Series II Users Manual Specifications is the last chapter in the Users Manual The Users Manual can be downloaded from Fluke s website 2 1 2 2 Chapter 3 List of Replaceable Parts Title Page ooi oe t te em mE 3 3 3 2 How to Obtain Parts is edic etes cette te tbe vetro oeste eei tee vie 3 3 3 3 Final Assembly Parts rra 3 4 BS ACCESSOLICS t et re POM E UIL Te se e S 3 7 3 1 Fluke 190 104 190 204 Service Manual 3 2 List of Replaceable Parts 3 3 1 Introduction 3 1 Introduction This chapter contains an illustrated list of replaceable parts for the models Fluke 190 104 190 204 ScopeMeter test tools Parts are listed by assembly alphabetized by item number or reference designator Each assembly is accompanied by an illustration showing the location of each part and its item number or reference designator The parts list gives the following information e Description e Ordering code Caution Electrical components and in particular active components such as IC s transistors and diodes may be damaged by static discharge Handling and servicing static sensitive components and assemblies should be done only at a static free workstation by qualified personnel 3 2 How to Obtain Parts To locate an authorized service center refer to the second page of this manual back of the title page In the event that the par
44. le 1x Fluke PM9075 e 750 Feed through termination 1x ITT Pomona model 4119 75 e 10 1 Attenuator Probes as supplied with Test Tool 4 3 General Instructions 4 2 Follow these general instructions for all tests e For all tests power the Test Tool with the BC190 power adapter battery charger The battery pack must be installed e Allow the 5500A to satisfy its specified warm up period e For each test point wait for the 5500A to settle e Allow the Test Tool a minimum of 30 minutes to warm up e One division on the LCD consists of 25 pixels 1 pixel 0 04 division Performance Verification 4 4 4 Operating Instructions 4 4 Operating Instructions 4 4 1 Resetting the Test Tool Proceed as follows to reset the Test Tool Press to turn the Test Tool off Press and hold user Press and release 9 to turn the Test Tool on Wait until the Test Tool has beeped twice and then release When the Test Tool has beeped twice the RESET was successful 4 4 2 Navigating through During verification you must open menus and to choose items from the menu Proceed as follows to make choices in a menu Reset the Test Tool Open a menu for example press score then press jan READING The menu as showed in Figure 4 1 will be opened Active functions are marked by a yellow background or yellow characters If more than one menu groups are available they will be separated by a vertical line The m
45. level is indicated by the trigger icon J Continue through the test points 4 19 Fluke 190 104 190 204 Service Information 8 When you are finished set the 5500A to Standby Table 4 8 Input Trigger Sensitivity Test Points UUT UUT 5500A SC MODE levsin UUT Model Time base Initial Input Voltage Trigger Amplitude 4 20 Performance Verification 4 4 6 Scope Input A B C D Tests 4 6 10 Input AC Voltage Accuracy HF amp Bandwidth Test Proceed as follows to test the Input high frequency automatic scope ac voltage measurement accuracy and the bandwidth 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 6 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press RECALL select SCREEN SETUP 1 press HZ to recall the setup e Press score then press READING 1 and select A V ac MANUAL AUTO e Press to select autoranging AUTO in upper right LCD edge e Using E and change the sensitivity range to select manual sensitivity ranging and lock the Input A sensitivity range on 500 mV div AUTO in upper right LCD edge disappears 3 Setthe 5500A to source a sine wave to the first test point in Table 4 9 4 Observe the Input A reading and check to see if it is within the range shown under the appropriate column 5 Continue through the test points 6 When you are finished set the 5500 to Stan
46. libration consists of 30 minutes warming up period followed by several internal calibration adjustment steps that do not require input signals Proceed as follows to do the WarmingUp amp Pre Calibration 1 Remove all input connections from the Test Tool 2 Press Fs to start the Warming Up amp Pre Calibration The display shows the calibration step in progress and its status The first step is WarmingUp CL 0200 BUSY 00 29 59 The warming up period is counted down from 00 29 59 to 00 00 00 Then the remaining pre calibration steps are performed automatically The entire procedure takes about 60 minutes 3 Wait until the display shows End Precal READY The PreCal data have now been stored in FlashROM If you turn off the Test Tool now by accident turn it on again immediately now you can select the calibration mode and continue with step 4 below press NEXT several times see 5 6 If you turn off the instrument now and you do not turn on immediately the Test Tool has cooled down and you must repeat the WarmingUp and PreCalibration select the calibration mode and start at CL 0200 4 Press 2 NEXT and continue at Section 5 6 Error Messages If error message 1000 is displayed during WarmingUp or PreCalibration step CL0215 the Main PCA hardware version is not suitable for the installed software version Other error messages during WarmingUp or PreCalibration indicate that the Test Tool is defective and should be repaire
47. lways remove the battery pack before completely disassembling the Test Tool Only qualified personnel using customary precautions against electric shock should work disassembled unit with power on 6 2 Disassembly amp Reassembly Procedures 6 2 1 Required Tools To access all the assemblies you need the following e Static free work surface and anti static wrist wrap e 10 Torx screwdriver e A small screwdriver or pair of tweezers to unlock flatcables from their connector e Cotton gloves to avoid contaminating the lens and the PCA 6 2 2 Removing the Tilt Stand Hang Strap and Side Strap To separate the Tilt Stand from the Rear Case gently bend both rotation points away from the Rear Case no need to remove screws or other fixing devices Before opening the Test Tool you must remove the Hang Strap and the Side Strap How to remove and install the Hang Strap is explained in the Users Manual in Chapter Tips The grip of the Side Strap consists of two halves kept together with Velcro tape After having opened it the straps can be taken apart and be removed from their fixing dowels in the side of the Test Tool Before doing this take careful notice on the correct position of the strap To install work in reverse order 6 3 Fluke 190 104 190 204 Service Manual 6 2 3 Opening the Test Tool Removing the Battery Pack Proceed as follows 1 Remove the battery access door with standard blade screwdriver b
48. n the battery compartment 9 Take the Bottomholster off Note when reinstalling the Bottomholster do not forget to put the steel plate 16x17 mm in place again This plate is present in the cavity on the right hand side of the instrument and can be used to insert a Kensington Lock Note when reinstalling the bottom case take care that flat cables to LCD and keyboard are not damaged 6 2 4 Getting access to Top Side of PCA Most of the measuring points are located on the top side of the PCA To get access to this side remove the upper plate Shielding Lid 1 Remove 4 screws M3x4 with a spring washer left and right side bottom side 2 Remove 4 screws M3x8 that are grouped in a square around Sampling chip N2000 3 Take the screening plate off to get access to the top side of the PCA Before doing this observe how this plate fits on to the lower chassis Disassembling the Test 6 2 Disassembly amp Reassembly Procedures 6 2 5 Getting access to Bottom Side of PCA Important to avoid contaminating the flex cable contacts with grease from your fingers do not touch these contacts or wear cotton gloves Contaminated contacts may not cause immediate instrument faillure Faillures typically show up when contaminated instruments are operated in humid areas 1 Unlock both flat cables by shifting the connector latch at the left and right edge with a small screwdriver The latch is an integral part of the connector body Th
49. ne wave according to the first test point in Table 4 6 As no 500 termination is applied the 5500 leveled sine wave output amplitude will be twice the set value 6 Observe reading A and check to see if it is within the range shown under the appropriate column 7 Continue through the test points 8 Nextcheck channel B C or D in succession Press and select B C or D as trigger source with Su Press B C or D to assign vertical range and move to channel B C or D Observe reading B C or D 9 When you are finished set the 5500A to 0 zero Volt and to Standby Table 4 6 Input A B C D Frequency Measurement Accuracy Test EN 5500A SC MODE Voltage Input A amp B Reading base 4 16 Performance Verification 4 4 6 Scope Input A B C D Tests 190 104 20 ns div 300 mVpp 100 MHz 99 3 to 100 7 190 204 20 ns div levsine 300 mVpp 200 MHz 198 8 to 201 2 Note Duty Cycle and Pulse Width measurements are based on the same principles as Frequency measurements Therefore the Duty Cycle and Pulse Width measurement function will not be verified separately 4 6 7 Input A amp B Phase Measurements Test Proceed as follows to test the phase measurement accuracy 1 Connect the Test Tool to the 5500A as for the previous test see Figure 4 5 2 Select the following Test Tool setup e Recall the created setup e g SETUP 1 see section 4 4 3 press Bd RECALL select SCREEN SETUP 1 press CD to recall the se
50. ng Screw 10 mm 2x to fix 8 1 2 input cover Dowel 6x to straps 8 1 4 Steel Plate for Lock 8 1 5 Selftapping Screw 16 5 mm 4x to 8 1 6 fix Rear Case Screw M3x6 2x to fix bottom 8 1 8 holster Selftapping Screw 6x 10 5 mm to 8 3 12 fix Main PCA Module to Front Case Side Strap 3945370 Can be fixed on Left or Right side Hang Strap 946769 Can be fixed op Top Side of Instrument Main PCA Module Only available for Fluke authorized 8 1 12 13 tested workshops Requires dedicated tools 8 2 8 3 8 to configure Bottom Holster Set 3981867 Bottomholster assy 8 1 7 Cover for USB 8 1 9 Cover for DC adapter power 8 1 10 Connector Set 3981871 Probe signal 48010 Probe ground pin J8011 USB A connector J8007 USB B mini connector J8003 Part or Kit Ordering Code List of Replaceable Parts 3 3 Final Assembly Parts Consists of Following Parts Figure ltem nr Faston pin battery 5x X9104 9108 Cushion Fits around Faston pin Sealing piece USB Probe black 8 3 10 Sealing piece DC power black 8 3 11 Keypad 3942805 8 3 6 Keypad Foil 3942810 Incl Flat Cable 8 3 9 USB cable 3945381 USB A to mini USB B for PC connection BNC Connector Red 3945031 X1100 BNC Connector Blue 3945046 X1300 BNC Connector Gray 3945054 X1400 BNC Connector Green 3945068 X1200 CD Power Input Socket 215785 X9100
51. ng performance tests are provided to ensure that the Test Tool is in proper operating condition If the Test Tool fails any of the performance tests calibration adjustment see Chapter 5 and or repair in a Fluke authorized workshop is necessary The Performance Verification Procedure is based on the specifications listed in Chapter 2 of this Service Information The values given here are valid for ambient temperatures between 18 and 28 The Performance Verification Procedure is a quick way to check most of the Test Tool s specifications Because of the highly integrated design of the Test Tool it is not always necessary to check all features separately 4 2 Equipment Required For Verification The primary source instrument used in the verification procedures is the Fluke 5500A If a 5500A 15 not available you can substitute another calibrator as long as it meets the minimum test requirements e Fluke 5500A Multi Product Calibrator including SC300 or SC600 Oscilloscope Calibration Option e 500 Coax Cables 4x use Fluke PM9091 1 5m 3 pcs and PM9092 0 5m 3 pcs e Male BNC to Dual Female BNC adapter 1x Fluke PM9093 001 e 500 feed through termination Fluke PM9585 e Dual Banana Plug to Female BNC Adapter 1x Fluke PM9081 001 e Dual Banana Jack to Male BNC Adapter 1x Fluke PM9082 001 e Signal Generator Philips PM5418 NOT required if SC600 Oscilloscope Calibration Option is used e 750 Coax cab
52. parate the Main PCA module from the top case Now you have access to LCD module keypad foil and keypad They can be separated from top case without the removal of screws or clamps Do not touch contact areas with your hands in order to avoid contamination 6 5 Fluke 190 104 190 204 Service Manual Note 1 when installing the LCD module into the top case take care that no dust or dirt is present between module and the window decal Note 2 before reinstalling the Main PCA module on to the top case put the grey plastic strip around the BNC inputs in place 6 2 7 Pictures Showing Disassembly Steps Note pictures may be subject to minor changes without prior notice EE KE Opened Case Screws Screening Plate Removed Screws 6 6 removed from Chassis Bottom Side visible Disassembling the Test Tool 6 2 Disassembly amp Reassembly Procedures 6 7 Fluke 190 104 190 204 Service Manual 6 8
53. pp Fluke 190 204 221 MHz 221 MHz Fluke 190 104 141 MHz 141 MHz 5 10 Calibration Adjustment PM9091 USE 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 5 4 5500A SCOPE Output to Test Tool Input B 5 6 4 Input C LF HF Gain Proceed as follows to do the Input C LF HF Gain calibration 1 2 D GM e Press 2 to select the first calibration step in Table 5 3 Connect the Test Tool to the 5500A as shown in Figure 5 5 Set the 5500A SCOPE output to source the signal required for the first calibration point in Table 5 3 Set the 5500A in operate OPR or standby STBY as indicated Press SE to start the calibration Wait until the display shows calibration status READY Press to select the next calibration step set the 5500A to the next calibration point signal and start the calibration Continue through all calibration points of Table 5 3 When you are finished set the 5500A to Standby Continue at Section 5 6 5 5 11 Fluke 190 104 190 204 Service Information Table 5 3 Input C LF HF Gain Calibration Points CL 0478 0 5 Vpp square wave 1 kHz SCOPE edge 0 5 Vpp 1 kHz CL 0484 0 62 Vpp sine wave 50 kHz SCOPE levsine 0 62 Vpp 50 kHz CL 0485 0 62 Vpp sine wave SCOPE levsine 0 62 Vpp Fluke 190 204 221 MHz 221 MHz Fluke 190 104 141 MHz 141 MHz PM9091 USE 50 OHM TERMINATION o o FLUKE 5500A CALIBRATOR Figure 5 5 5500A SCOPE Output to Te
54. r NTSC or PALplus or SECAM e Press NN to select ALL LINES e Press Fs to enable the arrow keys for selecting the video line number e Using select line number 622 for PAL PALplus or SECAM 525 for NTSC e Using EX and set the Input A sensitivity to 200 mV div the actual probe setting is 1 1 e Using I select the time base to 20 us div 3 Set the TV Signal Generator to source a signal with the following properties e the system selected in step 2 e gray scale e sync pulse amplitude gt 0 7 div Performance Verification 4 4 6 Scope Input A B C D Tests e chroma amplitude zero 4 Observe the trace and check to see if the Test Tool triggers on line number gt 622 for PAL or SECAM see Figure 4 12 525 for NTSC see Figure 4 13 NTSC lt MANUAL 20 5 Trig Line622 TRIGGER FIELD ALL LINES OPTIONS 204s Trig Line5 TRIGGER FIELD ALL LINES OPTIONS Figure 4 12 Trace for PAL SECAM line 622 Figure 4 13 Trace for NTSC line 525 5 Using ECG select line number 310 for PAL or SECAM gt 262 for NTSC 6 Observe the trace and check to see if the Test Tool triggers on line number 310 for PAL or SECAM see Figure 4 14 line number 262 for NTSC see Figure 4 15 SECAM lt NTSC lt MA MA 20ps Trig Line310 i 20ps Trig Line262 FIELD ALL LINES FIELD ALL LINES TRIGGER OPTIONS OPTIONS Figure 4 14 Trace for PAL SECAM line 310 Figure 4 15
55. riate column Due to calibrator noise occasionally OL overload can be shown Continue through the test points 4 9 Fluke 190 104 190 204 Service Information 8 Next check channel B C or D in succession Press and select B C or D as trigger source with ri Press B C or D to assign vertical range and move to channel B or D Observe reading B C or D 9 When you are finished set the 5500 to 0 zero Volt and to Standby Table 4 2 Volts DC Measurement Verification Points 5500A output V dc Input A B C D Reading 2 mV div 5 mV div 10 mV div 20 mV div 50 mV div 100 mV div 200 mV div 500 mV div 2 Vidiv 5 V div 10 V div 20 V div 50 V div 15 0 mV 14 3 to 15 7 ov me Performance Verification 4 4 6 Scope Input A Tests 100 V div 291 to 309 291 to 309 Fluke 190 104 190 204 Service Information 4 12 4 6 3 Input A B C D AC Voltage Accuracy Test LF This procedure tests the Volts ac accuracy with de coupled inputs up to 50 kHz The high frequencies are tested in sections 4 6 10 4 6 12 4 6 14 and 4 6 16 Warning Dangerous voltages will be present on the calibration source and connecting cables during the following steps Ensure that the calibrator is in standby mode before making any connection between the calibrator and the Test Tool Proceed as follows to test the Input A B C and D automatic scope a
56. s to return to the softkey menu Press a to select default contrast calibration Contrast CL 0110 Press F3 I CALIBRATE The display shows the test pattern at default contrast Using do set the display to optimal becomes default contrast Press Fs to return to the softkey menu Press 2 to select maximum brightness calibration Contrast CL 0120 10 Press E CALIBRATE The display shows bright test pattern 11 Using Qe adjust the display to the maximum brightness at which the test pattern is only just visible 12 Press F3 to return to the softkey menu 13 Now you can either e Exit if only the Contrast had to be adjusted Continue at Section 5 7 or e Do the complete calibration Press F2 to select the next step WarmingUp and continue at Section 5 5 5 6 Calibration Adjustment 5 5 Warming Up amp Pre Calibration Figure 5 2 Display Test Pattern 5 5 Warming Up amp Pre Calibration The WarmingUp amp Pre Calibration state will be entered after entering the calibration mode section 5 3 or after selecting the next step if you have done the Contrast Calibration step CL 120 section 5 4 The display will show WarmingUp CL 0200 IDLE valid or invalid Unless you want to calibrate the display contrast only you must always start the calibration adjustment at the Warming Up CL 0200 step Starting at another step will make the calibration invalid The WarmingUp amp Pre Ca
57. st Tool Input C 5 6 5 Input D LF HF Gain Proceed as follows to do the Input D LF HF Gain calibration 1 Press F2 to select the first calibration step in Table 5 4 2 Connect the Test Tool to the 5500A as shown in Figure 5 6 Set the 5500A SCOPE output to source the signal required for the first calibration point in Table 5 4 Set the 5500A in operate OPR or standby STBY as indicated Press F3 to start the calibration Wait until the display shows calibration status READY 4 OA oe gt Press 82 to select the next calibration step set the 5500 to the next calibration point signal and start the calibration Continue through all calibration points of Table 5 4 5 12 Calibration Adjustment 5 6 Final Calibration 8 When you are finished set the 5500A to Standby 9 Continue at Section 5 6 6 Table 5 4 Input D LF HF Gain Calibration Points CL 0498 0 5 Vpp square wave 1 kHz SCOPE edge 0 5 Vpp 1 kHz CL 0486 0 62 Vpp sine wave 50 kHz SCOPE levsine 0 62 Vpp 50 kHz CL 0487 0 62 Vpp sine wave SCOPE levsine 0 62 Vpp Fluke 190 204 221 MHz 221 MHz Fluke 190 104 141 MHz 141 MHz PM9091 PM9585 50 OHM USE 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 5 6 5500A SCOPE Output to Test Tool Input D 5 6 6 Input ABCD LF HF Gain Proceed as follows to do the Input ABCD LF HF Gain calibration 1 Press 2 to select the first calibration step Table 5 5 2 Connect the Test
58. st Tool can hold their charge even if the Test Tool has been separated from all voltage sources When servicing the Test Tool use only specified replacement parts 1 7 Safe Handling and Use of Li ion battery pack The Test Tool uses a rechargeable Li ion battery pack For instructions how to safely handle and use this battery pack refer to Paragraph Safety Information in the Users Manual of Fluke 190 104 190 204 ScopeMeter 190 Series II The Users Manual can be downloaded from Fluke s website Chapter 2 Characteristics The Fluke 190 Series II ScopeMeter Test Tools have following main characteristics 4 isolated and identical channels Bandwidth 100 MHz Model 190 104 or 200 MHz Model 190 204 rated 1000 V CAT III 600 V CAT IV 2 5 GS s 200 MHz version or 1 25 GS s 200 MHz total sampling speed available for the channels Intelligent Li ion Battery Pack with high capacity 56 Wh up to 7 Hrs operating time Battery door for quick battery exchange Optional external battery charger EBC290 Also with a fully discharged Battery Pack the instrument will immediately start up when connected to the Power Adapter BC190 Fast isolated USB communication port and isolated port for USB stick for data storage Wide 6 4 Color VGA screen with LED illumination Probe Calibration output sq wave voltage 0 1 2 V frequency 500 Hz For the specifications refer to the Specifications Chapter in the Flu
59. t Gain N Warning Dangerous voltages will be present on the calibration source and connection cables during the following steps Ensure that the calibrator is in standby mode before making any connection between the calibrator and the Test Tool 5 15 190 104 190 204 Service Information 5 16 Proceed as follows to do the Input ABCD Volt Gain calibration 1 Press s to select the first calibration step in Table 5 6 2 Connect the Test Tool to the 5500A as shown in Figure 5 8 amp dE CONNECT CHANNEL D IN PARALLEL NO 50 OHM TERMINATION FLUKE 5500A CALIBRATOR Figure 5 8 Test Tool Input ABCD to 5500A Normal Output Set the 5500A to supply DC voltage NORMAL output to the first calibration point in Table 5 6 Set the 5500A to operate OPR Press to start the calibration Wait until the display shows calibration status READY Press EN to select the next calibration step set the 5500A to the next calibration point and start the calibration Continue through all calibration points of Table 5 6 Set the 5500A to Standby and continue at Section 5 6 9 Calibration Adjustment 5 7 Save Calibration Data and Exit Table 5 6 Input ABCD Gain Calibration Points 5 6 9 Input ABCD Zero Proceed as follows to do the Input ABCD Zero calibration 1 2 3 4 5 6 Press SS to select calibration adjustment step CL0852 Short circuit Input A B C D Press SG to start
60. t ordered has been replaced by a new or improved part the replacement will be accompanied by an explanatory note and installation instructions if necessary To ensure prompt delivery of the correct part include the following information when you place an order e Instrument model for example Fluke 190 204 12 digit instrument code 9444 and serial number 15500001 The items are printed on the type plate on the bottom cover e Ordering code e Description e Quantity 3 3 Fluke 190 104 190 204 Service Manual 3 3 Final Assembly Parts See Table 3 1 and Figure 3 1 3 2 and 3 3 for the Final Assembly parts Table 3 1 Final Assembly Parts and Kits Part or Kit Ordering Code Consists of Following Parts Figure Item nr Case Set 3981815 Front case Excl lens decal 8 3 5 Dustseal long 2x 8 3 3 Dustseal short 2x 8 3 4 Case seal 8 3 13 Bottom case assy 8 1 3 Battery door 8 1 14 Quarter turn screw 2X 8 1 15 Adhesive foam for battery door Standup bracket 8 1 14 Li ion Battery Pack BP291 52 Wh 10 8 V Lens decal 190 104 3981826 8 3 Lens decal 190 204 3981832 8 3 LCD assy 190 11 3981844 LCD module 8 3 1 LCD fixation foam 8 3 2 Flat cable 8 3 7 Topholster Input 3945328 8 1 1 Cover Sealing strip flexible 3945319 8 1 11 around inputs Mounting Material Set 3981859 Selftappi
61. ter the calibration mode proceed as follows e Press and hold user press and release release user The display shows the CAL MODE Calibration Adjustment screen The display shows the calibration step Warming Up CL 0200 the calibration status IDLE valid or IDLE invalid and the softkey menu Continue as indicated in section 5 2 You can leave the calibration mode without changing the calibration data by turning the Test Tool off Explanation of screen messages and key functions When the Test Tool is in the calibration Mode only the BO to Fa soft keys the 9 key and the key can be operated unless otherwise stated The calibration adjustment screen shows the actual calibration step name and number and its status Cal Name CL nnnn Status Cal Name CL nnnn Status can be IDLE valid IDLE invalid BUSY bbb READY Error xxxx Name of the selected calibration step e g WarmingUp Number of the calibration step After re entering this step the calibration process is not started The calibration data of this step are valid This means that the last time this step was done the calibration was successful It does not necessarily mean that the unit meets the specifications related to this step After re entering this step the calibration process is not started The calibration data are invalid This means that the last time this step was done the calibration was not suc
62. the zero calibration Wait until the display shows the status READY Remove the input terminations Continue at Section 5 7 5 7 Save Calibration Data and Exit Proceed as follows to save the calibration data and to exit the Maintenance mode 1 2 Remove all test leads from the Test Tool inputs Press Fo EXIT The Test Tool will display 5 17 190 104 190 204 Service Information 5 18 Calibration data valid Save data and exit maintenance mode Note Calibration data valid indicates that the calibration adjustment procedure is performed correctly It does not necessarily mean that the Test Tool meets the characteristics listed in Chapter 2 3 Press EA YES to save and exit Note I After saving the calibration data the calibration number and date will be updated if the calibration data have been changed and the data are valid The calibration number and date will not change if the calibration mode is entered and left without doing a calibration adjustment only the contrast calibration adjustment 5 4 and or the probe calibration is done Note 2 If you press H the Test Tool returns to the calibration mode You can either calibrate the Test Tool again or press Fa EXIT Fa YES to save and exit Possible error messages The following messages can be shown on the Test Tool display WARNING Calibration data not valid Save data and exit maintenance mode Proceed as follows
63. tup e Press score e Press ETZE READINGS ON e Press ll READING and select with READINGS and with the arrow keys Reading 1 on A Phase and next A gt B Reading 2 on B Phase and next B gt A Reading 3 on C Phase and next C gt D Reading 4 on D Phase and next D gt C 3 Press select range 100 mV div for A 4 Using L3 select the required time base setting 5 Set the 5500 to source a sine wave according to the first test point in Table 4 7 As no 50 termination is applied the 5500 leveled sine wave output amplitude will be twice the set value 6 Observe the reading A and check to see if it is not outside the range shown under the appropriate column 7 Continue through the test points 8 Now C or D in succession Press 1555539 and select B C or D as trigger source with Press B D to assign vertical range and move to channel or D Observe reading B C or D 9 When you are finished set the 5500A to 0 zero Volt and to Standby Table 4 7 Phase Measurement Verification Points 4 17 Fluke 190 104 190 204 Service Information 200 ns div levsine 1 MHz 300 mVpp 2 to 2 20 ns div levsine 10 MHz 300 mVpp 3 to 3 4 6 8 Time Base Test Proceed as follows to test the time base accuracy 1 Connect the Test Tool to the 5500A as shown in Figure 4 6 PM9091
64. ue through all calibration points of Table 5 1 When you are finished set the 5500A to Standby Continue at Section 5 6 3 5 9 Fluke 190 104 190 204 Service Information Table 5 1 Input A LF HF Gain Calibration Points CL 0408 0 5 Vpp square wave 1 kHz SCOPE edge 0 5 Vpp 1 kHz CL 0480 0 62 Vpp sine wave 50 kHz SCOPE levsine 0 62 Vpp 50 kHz CL 0481 0 62 Vpp sine wave SCOPE levsine 0 62 Vpp Fluke 190 204 221 MHz 221 MHz Fluke 190 104 141 MHz 141 MHz 5 6 3 Input B LF HF Gain Proceed as follows to do the Input B LF HF Gain calibration 1 Press 2 to select the first calibration step in Table 5 2 2 Connect the Test Tool to the 5500A as shown in Figure 5 4 3 Set the 5500A SCOPE output to source the signal required for the first calibration point in Table 5 2 4 Set the 5500A in operate OPR or standby STBY as indicated 5 Press SS to start the calibration 6 Wait until the display shows calibration status READY 7 Press to select the next calibration step set the 5500A to the next calibration point signal and start the calibration Continue through all calibration points of Table 5 2 8 When you are finished set the 5500A to Standby 9 Continue at Section 5 6 4 Table 5 2 Input B LF HF Gain Calibration Points CL 0418 0 5 Vpp square wave 1 kHz SCOPE edge 0 5 Vpp 1 kHz CL 0482 0 62 Vpp sine wave 50 kHz SCOPE levsine 0 62 Vpp 50 kHz CL 0483 0 62 Vpp sine wave SCOPE levsine 0 62 V
65. upper right LCD edge e Using and Ba change the sensitivity range to select manual sensitivity ranging and lock the Input D sensitivity range on 500 mV div 3 Set the 5500A to source a sine wave to the first test point in Table 4 15 4 Observe the Input D reading and check to see if it is within the range shown under the appropriate column of table 4 15 5 Continue through the test points 6 When you are finished set the 5500A to Standby Table 4 15 HF AC Verification Points 5500A 5500 SC MODElevsin MODE levsin UUT IE AEE Voltage D 2 545 Vpp 25 MHz 790 mV to 1 010 V 190 104 2 545 Vpp 100 MHz 2630 mV 190 204 2 545 Vpp 200 MHz 2630 mV 4 27 Fluke 190 104 190 204 Service Information 4 28 4 6 17 Video test using the Video Pattern Generator You can skip this test if you do the test 4 6 17 Video test using the SC600 Scope Calibration option Only one of the systems NTSC PAL PALplus or SECAM has to be verified Proceed as follows 1 Connect the Test Tool to the TV Signal Generator as shown in Figure 4 11 4119 75 75 OHM USE 75 OHM TERMINATION USE 75 OHM COAX CABLE Figure 4 11 Test Tool Input A to TV Signal Generator 2 Select the following Test Tool setup e Reset the Test Tool SJ then press Fa to open the Trigger Options menu e 5 e Choose VIDEO on then from the shown opened menu choose Polarity POSITIVE PAL o
66. y turning the plastic battery door screws one quarter turn counterclockwise 2 Take the battery out of the instrument Note take care not to short circuit the battery s contacts Do not open or damage the battery s housing When present take off the Hang Strap and the Side Strap refer to 6 2 2 4 Loosen the two selftapping screws 10 mm long total length that fix the grey yellow Input Cover that is around the BNC input sockets 5 Take the Cover off Note when reinstalling the Input Cover do not forget to reinstall the flexible Sealing Strip around the BNC input sockets The holes in this strip have a flat side that must align with the flat side of the BNC input sockets Note when reinstalling the Input Cover do not forget to reinstall 6 steel pins 2x17 mm in the left and right side of the instrument The pins are used to attach the Hang Strap and the Side Strap 6 Remove 2 screws M3x6 from the Bottom Holster The screws fit into square nuts that in tun fit into the Rear Case Take care that the nuts are not lost 7 Take the Bottom Holster off Note when reinstalling the Holster take care to reinstall two steel pins 2x17 mm in the left and right side of the instrument The pins are used to attach the Side Strap Take care that the yellow covers of DC input and USB inputs are correctly in place 8 Remove four selftaping screws 16 5 mm long total length that attach the Rear Case Two of these screws are located i

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