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Summary of Contents for Keysight Technologies 1000A Series
- Page 1 Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
- Page 2 U.S. Government will receive no greater than Restricted Rights as defined in FAR 52.227-19(c)(1-2) (June 1987). U.S. Govern- ment users will receive no greater than Lim- ited Rights as defined in FAR 52.227-14 Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 3: Keysight 1000A Series Oscilloscopes-At A Glance
Keysight 1000A Series Oscilloscopes—At a Glance The Keysight 1000A Series oscilloscopes are low-cost portable digital storage oscilloscopes (DSOs) that deliver these powerful features: • Two and four-channel, 60 MHz, 100 MHz, and 200 MHz bandwidth models. • Bright 5.7 inch QVGA (320 x 240) TFT color LCD display and small footprint (to save bench space). -
Page 4: In This Book
In This Book This guide contains service information for the Keysight 1000A Series oscilloscopes. Service Describes oscilloscope maintanance, performance testing, and what to do if your oscilloscope requires service. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 5: Table Of Contents
Contents Keysight 1000A Series Oscilloscopes—At a Glance In This Book Figures Tables Service Cleaning the Oscilloscope Testing Performance Before Testing Performance To test DC gain accuracy To test analog bandwidth, maximum frequency To test time scale accuracy To test trigger sensitivity... - Page 6 Contents Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 7: Figures
Figure 6. Channel 1 Horizontal Scale Setting Figure 7. Averages Menu Item Figure 8. Signal Generator Waveform Figure 9. Connecting Equipment for Time Scale Accuracy Test Figure 10. Connecting Equipment for Trigger Sensitivity Test Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 8 Figures Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 9: Tables
Tables Table 1. Keysight 1000A Series Oscilloscope Models Table 2. Equipment Required to Perform All Tests Table 3. DC Gain Accuracy Specification Table 4. Equipment Required for DC Gain Accuracy Test Table 5. Analog Bandwidth Specification Table 6. Equipment Required for Analog Bandwidth Test Table 7. - Page 10 Tables Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 11: Service
Keysight 1000A Series Oscilloscopes Service Guide 1 Service Cleaning the Oscilloscope Testing Performance Performance Test Record Returning the Oscilloscope to Keysight for Service Contacting Keysight This chapter describes oscilloscope maintanance, performance testing, and what to do if your oscilloscope requires service. -
Page 12: Cleaning The Oscilloscope
Do not use too much liquid in cleaning the oscilloscope. Water can enter the CAUTION oscilloscope’s front panel, damaging sensitive electronic components. 3 Make sure that the instrument is completely dry before reconnecting it to a power source. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 13: Testing Performance
Contact Keysight Technologies (see page 40) for more information about the Keysight products in these lists. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 14: Before Testing Performance
Type-N (m) to SMA (f) Keysight 1250-1250 Adapter SMA to BNC Adapter Analog Bandwidth SMA (m) to BNC (m) Keysight 1250-0831 Type-N to BNC Adapter Trigger Sensitivity Type-N (m) to BNC (f) Keysight 1250-0780 Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 15 30 minutes prior to the start of any performance test. Calibration 1 Push the [Utility] key on the front panel. 2 In the Utility menu, press Sel f-Cal. 3 Follow the on-screen instructions. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 16: To Test Dc Gain Accuracy
2 Press the [Defaul t Setup] front panel key. 3 Press the [Acquire] front panel key. 4 In the Acquire menu, press the Acquisition softkey until “Average” appears. 5 Press the Averages softkey and turn the entry knob until “256” appears. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 17: Figure 1 Averages Menu Item
6 Set the channel 1 probe attenuation to 1X. 7 Set the channel 1 vertical sensitivity value to 2 mV/div. 8 Set the power supply to +6 mV. 9 Connect the equipment as shown in Figure Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 18: Figure 2 Connecting Equipment For Dc Gain Accuracy Test
Figure 2 Connecting Equipment for DC Gain Accuracy Test 10 Press [Measure]. 11 Press the Vol tage softkey. 12 Turn the entry knob to select the Vavg measurement as shown below. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 19: Figure 3 Vavg Menu Item
14 Repeat through for channel 2 on two-channel oscilloscope step 15 step 23 models or for channels 2, 3, and 4 on four-channel models. 15 Set the power supply voltage to +6 mV. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 20 Calculate the DC Gain using the following expression and record this value in the DC Gain Test section of the Performance Test Record: ‚Äì V ∆V scope+ scope- -------------- - = ------------------------------------------------ - DCGain = ‚Äì V ∆V DMM+ DMM- Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 21: To Test Analog Bandwidth, Maximum Frequency
Service To test analog bandwidth, maximum frequency Ensure that the input voltage to the oscilloscope never exceeds 300 Vrms. CAUTION This procedure is the only acceptable method for testing the bandwidth of a 1000A Series NOTE oscilloscope. Table 5 Analog Bandwidth Specification... -
Page 22: Table 6. Equipment Required For Analog Bandwidth Test
50Ω BNC (f) to BNC (m) feed through Keysight 0960-0301 Through Adapter terminator Type-N to SMA Type-N (m) to SMA (f) Keysight 1250-1250 Adapter SMA to BNC Adapter SMA (m) to BNC (m) Keysight 1250-0831 Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 23: Figure 4. Connecting Equipment For Maximum Frequency Check Test
4 Press the [Defaul t Setup] front panel key. 5 Press the [Auto-Scale] front panel key. 6 Set the channel 1 probe attenuation to 1X. 7 Set the channel 1 vertical scale to 200 mV/div. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 24: Figure 5 Channel 1 Vertical Scale Setting
Service Figure 5 Channel 1 Vertical Scale Setting 8 Set the horizontal scale to 500 ns/div. Figure 6 Channel 1 Horizontal Scale Setting Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 25: Figure 7 Averages Menu Item
Vpp menu item. 15 Set the signal generator to a 1 MHz sine wave with a peak-to-peak amplitude of about 6 divisions as it appears on the oscilloscope screen. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 26: Figure 8 Signal Generator Waveform
17 Using the power meter reading, convert this measurement to Volts RMS using the expression and record it in the on page 35: “Performance Test Record" 50Ω × 1MHz meas For example, if Pmeas = 3.65 mW: 3.65 mW 50Ω 427 mV × 1MHz Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 27: Table 7 Oscilloscope Models And Signal Generator Frequency
22 Using the power meter reading, convert this measurement to Volts RMS using the expression and record it in the “Performance Test Record" on page 35: 50Ω × meas For example, if Pmeas = 3.65 mW: 3.65 mW 50Ω 427 mV × Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 28 35. To pass this test, this value must be greater than -3.0 dB. Record" 24 For the remaining channels, move the power splitter to the channel and repeat steps 4 through 23. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 29: To Test Time Scale Accuracy
+ 5 ppm * (years since manufacture) You can get the “years since manufacture” from the serial number, which is in this format: CN XX XX XXXX Week in Year Year Code (year - 1960) Country Code Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 30: Figure 9. Connecting Equipment For Time Scale Accuracy Test
2 Connect the output of the signal generator to oscilloscope channel 1 using the BNC cable. Oscilloscope Signal Generator 50W feed through BNC cable Type-N (m) to BNC (f) adapter Figure 9 Connecting Equipment for Time Scale Accuracy Test Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 31 The number of nanoseconds is equivalent to the time scale error in ppm. f Record the result and compare it to the limits in the “Performance Test Record" on page 35. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 32: To Test Trigger Sensitivity
50Ω characteristic impedance, BNC (m) Keysight 8120-1840, connectors Keysight 10503A Type-N to BNC Adapter Type-N (m) to BNC (f) Keysight 1250-0780 50Ω BNC Feed 50Ω BNC (f) to BNC (m) feed through Keysight 0960-0301 Through Adapter terminator Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 33: Figure 10 Connecting Equipment For Trigger Sensitivity Test
Set the input channel’s vertical scale to 5 mV/div. g Decrease the amplitude from the signal generator to the specified vertical division (1.5 div at maximum bandwith or 1 div at 10 MHz). Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 34 If adjusting the trigger level makes the trigger stable, the test still passes. h Record the result as Pass or Fail in the “Performance Test Record" page 35. Repeat these steps for the remaining oscilloscope channels. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 35: Performance Test Record
±600 mV +0.97 to +1.03 500 mV/div ±1.5 V +0.97 to +1.03 1 V/div ±3.0 V +0.97 to +1.03 2 V/div ±6.0 V +0.97 to +1.03 5 V/div ±15.0 V +0.97 to +1.03 Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 36 ±600 mV +0.97 to +1.03 500 mV/div ±1.5 V +0.97 to +1.03 1 V/div ±3.0 V +0.97 to +1.03 2 V/div ±6.0 V +0.97 to +1.03 5 V/div ±15.0 V +0.97 to +1.03 Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
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Page 37: Table 14 Analog Bandwidth - Maximum Frequency Check
Limit = greater Limit = greater than -3 dB) than -3 dB) Channel 1 Channel 2 Channel 3 Channel 4 Max frequency: DSO102xA = 200 MHz, DSO101xA = 100 MHz, DSO100xA = 60 MHz Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 38: Table 15 Time Scale Accuracy
Test Limits ≥ 5 mV/div: 1.5 division at maximum bandwidth ≥ 5 mV/div: 1 division at 10 MHz < 5 mV/div: 1.5 division at 20 MHz < 5 mV/div: 1 division at 10 MHz Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 39: Returning The Oscilloscope To Keysight For Service
Service Returning the Oscilloscope to Keysight for Service Before shipping the oscilloscope to Keysight Technologies, contact your nearest Keysight Technologies oscilloscope Support Center (or Keysight Technologies Service Center if outside the United States) for additional details. 1 Write the following information on a tag and attach it to the oscilloscope. -
Page 40: Contacting Keysight
Service Contacting Keysight Information on contacting Keysight Technologies can be found at www.keysight.com/find/contactus. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 41: A Safety Notices
Keysight 1000A Series Oscilloscopes Service Guide A Safety Notices Warnings Safety Symbols This apparatus has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for Measuring Apparatus, and has been supplied in a safe condition. This is a Safety Class I instrument (provided with terminal for protective earthing). -
Page 42: Safety Symbols
Hazardous voltage symbol. Earth terminal symbol: Used to indicate a circuit common connected to grounded chassis. Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... -
Page 43: Index
USB ports, input voltage, 16, internal storage, voltage measurements, LCD display, Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com... - Page 44 Index Keysight 1000A Series Oscilloscopes Service Guide www.valuetronics.com...
- Page 45 www.valuetronics.com...
- Page 46 © Keysight Technologies, Inc. 2009, 2013 Printed in Available in electronic format only Third Edition, April 2013 *54130-97015* 54130-97015 www.valuetronics.com...
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