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5

Replaceable Parts

254

Keysight 53210A/53220A/53230A Assembly Level Service Guide

Replaceable Parts

is a list of replaceable parts and contains the following:

– Electronic assemblies
– Chassis-mounted electrical parts
– Chassis-mounted mechanical parts

The information given for each part consists of the following:
– Counter model number (example, “Keysight 53230A”).
– Keysight Technologies part number.
– Total quantity (QTY) in instrument.
– Description of the part.
– Customer order number.

Table 5-1

Table of replaceable parts

Model number or

option number

Keysight part

number

Qty

Description

Customer order number

ELECTRONIC ASSEMBLIES

KEYSIGHT 53210A

53210-66101 1

MOTHERBOARD (STANDARD TIMEBASE)

53210-66101

53210-66102 1

MOTHERBOARD (HIGH STABILITY TIMEBASE)

53210-66102

KEYSIGHT 53220A

53220-66101 1

MOTHERBOARD (STANDARD TIMEBASE)

53220-66101

53220-66102 1

MOTHERBOARD (HIGH STABILITY TIMEBASE)

53220-66102

KEYSIGHT 53230A

53230-66101 1

MOTHERBOARD (STANDARD TIMEBASE)

53230-66101

53230-66102 1

MOTHERBOARD (HIGH STABILITY TIMEBASE)

53230-66102

P0500-63001 1

PROCESSOR ASSEMBLY

*

53200-60002 1

FRONT PANEL BOARD

53200-60002

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Summary of Contents for 53210A

Page 1: ...Keysight 53210A 53220A 53230A 350 MHz Universal Frequency Counter Timer Assembly Level Service Guide ...

Page 2: ... provide the govern ment rights in excess of these rights customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are explicitly required from...

Page 3: ...ind 53220A www keysight com find 53230A A portion of the software in this product is licensed under terms of the General Public License Version 2 GPLv2 The text of the license and source code can be found at www keysight com find GPLV2 This product utilizes Microsoft Windows CE Keysight highly recommends that all Windows based computers connected to Windows CE instruments utilize current anti viru...

Page 4: ...t this product met its published specifications at time of shipment from the factory Keysight Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members Exclusive...

Page 5: ...will degrade over time as a function of the number of battery charge discharge cycles Refer to local state or Federal regulations when disposing of or recycling either battery Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument Standby Power Unit is not completely disconnected from AC ...

Page 6: ... manner not specified in the operation instructions Before applying power Verify that all safety precautions are taken Note the instrument s external markings described under Safety Symbols Ground the instrument The Keysight 53210A 53220A 53230A is provided with a grounding type power plug The instrument chassis and cover must be connected to an electrical ground to minimize shock hazard The groun...

Page 7: ...disconnect the power cable and any external circuits before removing the instrument cover Do not modify the instrument Do not install substitute parts or perform any unauthorized modification to the product Return the product to a Keysight Sales and Service Office for service and repair to ensure that safety features are maintained In case of damage Instruments that appear damaged or defective sho...

Page 8: ...The instrument must be used in CAT I isolated from mains applications only Do not use in other IEC Measurement Category CAT II CAT III or CAT IV applications Failure to observe these precautions may result in electric shock and serious personal injury WARNING The BNC shells of the input terminals are connected to the instrument chassis Verify signal polarity before making any connections to the in...

Page 9: ...ion When operating the 53210A or 53220A under battery power Option 300 failure to observe the following warnings may result in damage to the instrument electric shock and serious personal injury WARNING Connect the instrument chassis to earth ground during battery operation to minimize shock hazard Any interruption or disconnection of the protective earth terminal will cause a potential shock haza...

Page 10: ...trument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Center or visit http about keysight com en companyinfo environment takeback shtml for more information Sales and Technical Support To contact Keysight for sales and technical support refer to the support links on the followi...

Page 11: ...explosive atmosphere 7 Do not operate near flammable liquids 7 Do not remove the instrument cover 7 Do not modify the instrument 7 In case of damage 7 Cleaning the instrument 7 Protection limits 8 Installing the instrument 9 Battery operation 9 Waste Electrical and Electronic Equipment WEEE Directive 10 Product category 10 Sales and Technical Support 10 1 Performance Tests Introduction 24 Chapter ...

Page 12: ...n 115 15 GHz microwave channel 71 Test 7a Q Pulse burst frequency 53230A channel 3 option 150 with option 106 77 Test 7c Q Pulse burst frequency 53230A channel 3 option 150 with option 115 83 Keysight 53210A 53220A 53230A Operational Verification and Performance Test Record 89 Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 90 2 Service Introduction 100 Returning the counter to ...

Page 13: ...13 To lock the counter against calibration 114 To unlock the counter for calibration 116 To change to a new security code 117 The Keysight 53210A 53220A 53230A Calibration Procedures 118 Equipment required 118 Determine the counter firmware version 119 Calibration cycle 121 Calibration string 121 Internal reference oscillator calibration 121 Summary of oscillator calibration procedure 126 Remote o...

Page 14: ...s 200 174 Hardware errors 240 241 250 175 Device specific errors 300 800 176 Query errors 400 177 Calibration errors 700 177 Self test errors 901 178 3 Replacing Assemblies Introduction 182 Tools Required 183 Do this first 183 Electrostatic discharge 184 To Remove the Cover and Rear Bezel 185 To Remove the Internal DC Battery Assembly Option 300 187 To Remove the GPIB Assembly 189 To Remove a 6 0 ...

Page 15: ...ion procedure 208 To Retrofit the 53210A Channel 1 or 53220A 53230A Channels 1 2 Rear Panel Inputs Option 201 213 Option 201 rear panel channel 1 2 parts 213 Preliminary steps 213 Channels 1 2 rear panel retrofit procedure 215 To Retrofit the 53210A Channel 2 Front Panel Input Option 106 or Option 115 plus Front Panel Option 202 217 Option 106 115 channel 2 parts 217 Option 202 front panel channel...

Page 16: ...panel channel 3 parts 242 Preliminary steps 243 Rear panel installation procedure Option 203 only 245 To Retrofit Option 150 Pulse Microwave Measurements for the 53230A 247 Retrofitting procedure 247 5 Replaceable Parts Introduction 250 Contacting Keysight Technologies 251 By telephone in the United States 251 For mail correspondence use the address below 251 How To Order A Part 252 Parts Identifi...

Page 17: ...Keysight 53210A 53220A 53230A Assembly Level Service Guide 17 Option 106 microwave channel frequency calibration 264 Backdating Hardware 271 Backdating Specifications 272 ...

Page 18: ...18 Keysight 53210A 53220A 53230A Assembly Level Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 19: ...Figure 2 1 The front panel at a glance 101 Figure 2 2 Front panel display 102 Figure 2 3 Calibration procedure summary 112 Figure 2 4 Information screen 120 Figure 2 5 Oscillator calibration setup 122 Figure 2 6 DC voltage source and DMM connections 130 Figure 2 7 Microwave source connection to Channel 3 133 Figure 2 8 Microwave source connection to Channel 3 141 Figure 2 9 Counter top internal vi...

Page 20: ...Figure 4 12 Semi rigid cable position 223 Figure 4 13 Front flange resting on plastic tab 225 Figure 4 14 53210A channel 2 rear panel Option 106 203 229 Figure 4 15 Channel 2 assembly installed on top of the motherboard with the SMA edge connector pointing toward the rear of the counter 230 Figure 4 16 53220A 53230A Option 106 202 234 Figure 4 17 Processor printed circuit board 235 Figure 4 18 T20...

Page 21: ...commended test equipment for calibration 118 Table 2 2 Option 106 calibration frequencies and power levels 137 Table 2 3 Option 115 calibration frequencies and power levels 145 Table 2 4 Recommended equipment for test and troubleshooting 153 Table 2 5 Keysight 53210A 53220A 53230A assembly identification 156 Table 2 6 DC power supply voltages 163 Table 5 1 Table of replaceable parts 254 Table 6 1 ...

Page 22: ...22 Keysight 53210A 53220A 53230A Assembly Level Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 23: ...on 24 Power On Test 29 Self Test Q 31 Keysight 53210A 53220A 53230A Operational Verification 33 Keysight 53210A 53220A 53230A Complete Performance Tests 37 Keysight 53210A 53220A 53230A Operational Verification and Performance Test Record 89 Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 90 Verifying specifications ...

Page 24: ...letion of all the performance tests verifies the counter is meeting all factory specifications Four types of testing are provided Power on test Counter self test operational Verification Tests Complete performance tests This chapter is organized as follows Introduction Power On Test Self Test Q Keysight 53210A 53220A 53230A Operational Verification Keysight 53210A 53220A 53230A Complete Performanc...

Page 25: ...ation is useful for incoming inspection and routine preventative maintenance Complete performance verification tests The complete performance verification tests verify the specifications listed on the Keysight 53210A 53220A 53230A Product Reference CD ROM as Keysight 53210A 53220A 53230A Specifications All tests can be performed without accessing the inside of the instrument The complete performan...

Page 26: ... in each counter to allow operation over an interface from a remote computer GPIB LAN and USB Refer to the SCPI Programmer s Reference for information on the remote commands available for controlling the counter Performance test record The results of the operational verification and performance tests should be recorded on a copy of the Performance Test Record located at the end of the complete per...

Page 27: ...of operation Depending on the use and environmental conditions aging and measurement accuracy required the counter should be checked using the operational verification procedure at least once every year The recommended calibration cycle for specification accuracy is also one year Internal auto calibration An Internal Auto Calibration feature is available see Chapter 2 Service that uses internal in...

Page 28: ... 2 000E 12 Stanford Research Systems CG635 Primary frequency standard 10 MHz house standard Absolute accuracy 1 x 10 10 Stanford Research Systems FS725 Rubidium Timebase or equivalent DC power supply Adjustable to 5 000V Keysight 6234A or equivalent Digital multimeter DMM Microvolt accuracy Keysight 34410A or equivalent SMA m to BNC f adapters 3 Keysight 1250 1200 Type N m to BNC f adapter Keysigh...

Page 29: ...Verify the following results The front panel display turns white as all pixels are illuminated The LED under the power switch is on solid After several seconds a screen is briefly displayed that shows the status and ID of the IP Address and the GPIB address The factory default GPIB address is 3 Disabled means the GPIB is turned Off under Utility I O Config The counter is now ready to measure frequ...

Page 30: ...st Record Test 1 at the end of this chapter NOTE If a fail message is displayed at power on refer to Troubleshooting the Counter on page 160 of this service guide NOTE The power on hardware initialization activities check the following circuits for operation Front panel display driver Power manager Battery if installed GPIB Measurement board hardware ...

Page 31: ...page 147 for more information After turn on or at any time a reasonable operational status needs to be verified the internal Self Test can be run Run internal self test 1 Disconnect any input signal s from the counter 2 Press the Utility key and then the Instr Setup softkey NOTE It is recommended that the counter Self Test be performed to ensure that the instrument is completely functional before ...

Page 32: ...ws Performing Self Test Please wait displayed for several seconds If the self test passes Self Test Passed is momentarily displayed 4 Mark Pass or Fail in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 NOTE If Self Test Failed is displayed or any other failure is indicated refer to the troubleshooting section in Chapter 2 Service on page 99 ...

Page 33: ...e unfamiliar with the operation of the counter you can review the Keysight 53210A 53220A 53230A Quick Start Tutorial However the procedures in this chapter are written so that little operational experience is necessary The procedures should be followed in the order in which they appear Frequency checks 1 Connect the counter s rear panel Int Ref Out as shown in Figure 1 1 to the front panel Channel...

Page 34: ... Channel 2 input connector front or rear panel 6 Press the Channel 2 button 7 Verify the display shows a frequency reading of approximately 10 000 000 Hz 8 Mark Pass or Fail in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 9 Disconnect the test setup NOTE The remaining steps apply only to the Keysight 53220A and Keysight 53230A53230A since the Keysight 53210A do...

Page 35: ...re 1 2 and set it to measure ohms set DMM to appropriate Ohms range On the DMM use a dual banana plug to BNC connector Figure 1 2 Termination Check Setup 3 Press the Channel 1 key The LED turns on and the Channel 1 Setup softkeys are displayed NOTE Once the termination checks have been successfully performed it is usually not necessary to run them again unless the counter s motherboard has been re...

Page 36: ...1 MΩ The 1 MΩ annunciator turns on indicating a 1 MΩ input impedance for Channel 1 8 Verify the DMM reads approximately 1 000 MOhm 9 Mark Pass or Fail in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 10 Repeat steps 2 through 9 for RF Channel 2 for the Keysight 53220A 53230A counters ONLY since the Keysight 53210A counter does not have a standard RF Channel 2 11...

Page 37: ...nstrument is currently located in the calibration environment with the power removed turn on the instrument and allow a 45 minute warm up period before starting the Performance Test procedures Upon receipt and delivery to the calibration environment turn on the instrument and allow a 2 hour warm up stabilization period before starting the procedures If it is known that the instrument has been in s...

Page 38: ...5 signal generator setup 1 Set Output Channel Q 2 Set Output Level 7 dBm 3 Set Frequency 10 MHz Table 1 2 The Keysight 53210A 53220A 53230A performance tests a Test description a Other counter measurement functions are mathematically derived by the processor from the parameters verified by these performance tests Test 1 Absolute time base Test 2 Frequency accuracy channels 1 and 2 Test 3 Single pe...

Page 39: ...bsolute timebase test setup 2 Press the Preset key on the front panel to preset the counter Display shows Instrument has been preset Channel 1 annunciator is lit 3 Press the Trigger key The following softkeys are displayed 4 Press and set Trigger Source Manual Wait For Trig is displayed Rdgs Trigger 100 FS725 Rubidium Timebase CG635 Signal Generator Ch 1 ...

Page 40: ...oftkeys are displayed 6 Press the Freq softkey The following softkeys are displayed 7 Press and set Noise Rejection Off 8 Press the Frequency Period key The following softkeys are displayed If Advanced is appears press Auto to select Auto measurement mode Opt 150 Opt 150 NOTE The 53210A does not have an Auto measurement mode ...

Page 41: ...ss the Channel 1 input key The following softkeys are displayed 10 Press and set Coupling DC Input Impedance 50 Ω Range 5 V Level Setup Auto Level Off Level Setup Input Level 0 000 V BW Limit Off Probe None 11 Press the Math key The Math softkeys are displayed 12 Press to set All Math On ...

Page 42: ...st procedure 1 Press the Trigger key to manually trigger the counter Counter takes 100 readings and fills in Math functions 2 Verify the Mean displays a reading of 10 MHz 10 Hz for standard timebase 10 MHz 0 5 Hz for Option 010 high stability timebase 3 Record the Mean test value Test 1 in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 4 Proceed to Test 2 or disc...

Page 43: ... CG635 signal generator setup 1 Set output channel Q 2 Set output level 7 dBm 3 Set frequency 10 MHz Counter setup 1 Connect the test equipment to the counter as shown in Figure 1 4 Figure 1 4 Test setup for channel 1 2 frequency accuracy tests O pt 010 UO C XO Line 100 240V 50 60 Hz 100 127V 400 Hz 90VA M ax U SB LAN Int Ref Out Trig In Ext R ef In G ate In O ut Ch 1 Opt 201 C h 2 G P IB O pt 106...

Page 44: ... time base source to Auto or External and the external reference frequency of 10 MHz 3 Press the Preset key to preset the counter Display shows Instrument has been preset Ext Ref is shown in the upper right hand corner of the display The following softkeys are displayed 4 Press and set Measurement mode Advanced Auto Opt 150 NOTE The 53210A does not have an Auto measurement mode ...

Page 45: ...keys are displayed 6 Press and set Noise Rejection Off 7 Press the Trigger key The following softkeys are displayed 8 Press and set Trigger Source Manual Wait For Trig is displayed Rdgs Trigger 100 9 Press the Gate key The Gate softkeys are displayed 10 Press and set Gate src Timed Gate time 10 mSec Gate out On Polarity Norm ...

Page 46: ...l Service Guide 11 Press the Channel 1 input key 12 Press and set Coupling DC Input impedance 50 Ω Range 5 V BW Limit Off Level Setup Auto Level Off Level Setup Input Level 0 000 V 13 Press the Math key The following softkeys are displayed 14 Press and set All math On ...

Page 47: ...Press to set Statistics On The display shows Frequency accuracy test procedure 1 Press the Trigger key to manually trigger the counter Counter takes 100 readings and fills in Math functions 2 Verify the Mean is 10 MHz 100 mHz for 53210A 10 MHz 10 mHz for 53220A 53230A 3 Verify the Std Dev is less than 140 mHz for 53210A 70 mHz for 53220A 14 mHz for 53230A ...

Page 48: ...e Mean and Std Dev Test 2a for Channel 1 115 MHz in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 10 Press the Reset Stats softkey 11 Set CG635 output frequency to 350 MHz and repeat step 1 12 Verify the Mean is 350 MHz 3 5 Hz for 53210A 350 MHz 0 350 Hz for 53220A 53230A 13 Verify the Std Dev is less than 4 900 mHz for 53210A 2 450 mHz for 53220A 490 mHz for 53...

Page 49: ...gle period This test measures a single period of a signal The period is measured from rising edge to rising edge on a single channel Equipment FS725 Rubidium timebase CG635 Synthesized signal generator Keysight 10503 BNC cables 3 CG635 signal generator setup 1 Set Output Channel Q 2 Set Output Level 7 dBm 3 Set Frequency 1 MHz NOTE Step 16 applies only to the 53220A and 53230A The 53210A does not ...

Page 50: ...own in the upper right hand corner of the display 3 On the Counter press the Time Interval key The following softkeys are displayed O pt 010 UO C XO Line 100 240V 50 60 Hz 100 127V 400 Hz 90VA M ax U SB LAN Int Ref Out Trig In Ext R ef In G ate In O ut Ch 1 Opt 201 C h 2 G P IB O pt 106 115 IECS NMB 001 N10149 ISM 1 A C U S Opt 106 100 M Hz 6 G Hz 27 dB m M ax O pt 300 B attery O pt 115 300 M H z ...

Page 51: ...eriod softkey The following softkeys are displayed 5 Press and set Auto Level Off Level 0 V Noise Rej Off 6 Press the Channel 1 key The Channel 1 Setup menu softkeys are displayed 7 Press and set Coupling DC Impedance 50 Ω Range 5 V BW Limit Off 8 Press the Trigger key The trigger softkeys are displayed ...

Page 52: ...l Service Guide 9 Press and set Source Manual Wait For Trig is displayed Trig Delay 0 Seconds Rdgs Trigger 100 10 Press the Math key The following softkeys are displayed 11 Press and set All Math On 12 Press the Statistics softkey The Statistics softkeys are displayed ...

Page 53: ...ns 2 Verify the Mean is 1 00 uSec 0 200 nSec 53220A 1 00 uSec 0 100 nSec 53230A 3 Verify the Std Dev is less than 0 140 nSec 53220A 0 028 nSec 53230A 4 Record the Mean and Std Dev for 1 MHz Channel 1 Test 3a in the Keysight 53220A 53230A Performance Test Record starting on page 90 5 Press the Reset Stats softkey 6 Set the CG635 output frequency to 250 MHz 7 Press the Trigger key Counter takes 100 ...

Page 54: ...sight 53220A 53230A Performance Test Record starting on page 90 11 Press the Reset Stats softkey 12 Repeat steps 1 to 11 for Channel 2 Be sure to perform the Channel 2 setup see steps 6 and 7 under Counter Setup 13 Record the Mean and Std Dev for 1 MHz and 250 MHz Channel 2 Test 3c and 3d in the Keysight 53220A 53230A Performance Test Record starting on page 90 14 Press the Reset Stats softkey 15 ...

Page 55: ... the width of a narrow pulse from a pulse generator Equipment FS725 Rubidium timebase Keysight 81134A pulse generator Keysight 10503 BNC cables 3 Keysight 15443A SMA cable or Keysight 11500E 3 5 mm cable Keysight 1250 1200 BNC f to SMA m adapter 2 81134A setup Output Level 1 Vpp Period 66 6 nSec Pulse Width 5 nSec NOTE Test 4 applies to the 53220A and 53230A only ...

Page 56: ...is shown in the upper right hand corner of the display 3 Press the Time Interval key The following softkeys are displayed O pt 010 UO C XO Line 100 240V 50 60 Hz 100 127V 400 Hz 90VA M ax U SB LAN Int Ref Out Trig In Ext R ef In G ate In O ut Ch 1 Opt 201 C h 2 G P IB O pt 106 115 IECS NMB 001 N10149 ISM 1 A C U S Opt 106 100 M Hz 6 G Hz 27 dB m M ax O pt 300 B attery O pt 115 300 M H z 15 GH z 27...

Page 57: ...he Pulse Width softkey The following softkeys are displayed 5 Press and set Set width pos auto level Off Input level 0 00 V Set noise rejection Off 6 Press the Trigger key Front panel display shows 7 Press and set Source Manual Wait For Trig is displayed Rdgs Trigger 100 Trig Delay 0 Seconds ...

Page 58: ... the Channel 1 key The Channel 1 Setup softkeys are displayed 9 Press and set Coupling DC Input Impedance 50 Ω Range 5 V BW Limit OFF 10 Press the Math key The following softkeys are displayed 11 Press and set All math On 12 Press the Statistics softkey The Statistics softkeys are displayed ...

Page 59: ...e Mean is 5 0 4 nSec 53220A 5 0 2 nSec 53230A 3 Verify the Std Dev is less than 0 140 nSec 53220A 0 028 nSec 53230A 4 Record the Mean and Standard Deviation for Channel 1 Test 4a in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 5 Repeat steps 1 to 3 for Channel 2 Test 4b Be sure to do the Channel 2 setup first See steps 8 9 in the Counter setup above NOTE Select...

Page 60: ...his test verifies the time interval specifications between Channel 1 and Channel 2 Equipment FS725 Rubidium timebase Keysight 81134A pulse generator Keysight 10503 BNC cables 2 Keysight 11500E 3 5 mm cables 2 Keysight 1250 1200 BNC f to SMA m adapter 81134A setup Output Level 1 Vpp Period 66 6 nSec Pulse Width Ch1 5 nSec Pulse Width Ch2 5 nSec Delay Ch2 49 9 nSec NOTE Test 5 applies to the 53220A ...

Page 61: ...y 3 Press the Time Interval key The following softkeys are displayed 4 Press the Time Interval softkey O p t 0 1 0 U O C X O L in e 1 0 0 2 4 0 V 5 0 6 0 H z 1 0 0 1 2 7 V 4 0 0 H z 9 0 V A M a x U S B L A N In t R e f O u t T rig In E x t R e f In G a te In O u t C h 1 O p t 2 0 1 C h 2 G P IB O p t 1 0 6 1 1 5 IECS NMB 001 N 1 0 1 4 9 IS M 1 A C U S O p t 1 0 6 1 0 0 M H z 6 G H z 2 7 d B m M a ...

Page 62: ... 7 The following softkeys are displayed 8 Press and set Slope Pos Auto Level Off Level 0 V Noise Rej Off 9 Press the Back key 10 Press the Stop Ch Level softkey 11 Press and set Slope Pos Auto Level Off Level 0 V Noise Rej Off NOTE Time Int 2 1 could also be tested but only one test is required If Time Int 2 1 is used set the 81134A to delay Channel 1 by 49 9 nSec instead of Channel 2 ...

Page 63: ...y Level Service Guide 63 12 Press the Trigger key Front panel display shows 13 Press to set Source Manual Wait For Trig is displayed Rdgs Trigger 100 Trig Delay 0 seconds 14 Press the Math key The following softkeys are displayed 15 Press and set All Math On ...

Page 64: ...st procedure 1 Press the Trigger key The counter takes 100 readings and fills in the math functions 2 Verify the Mean is 49 9 0 5 nSec 53220A 49 9 0 25 nSec 53230A 3 Verify the Std Dev is less than 0 140 nSec 53220A 0 028 nSec 53230A 4 Record the Median and Standard Deviation Test 5 in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 5 Proceed to Test 6 or disconne...

Page 65: ...53230A at two frequencies 100 MHz and 5 88 GHz Equipment FS725 Rubidium timebase Keysight E8257D 520 microwave signal generator Keysight 10503A BNC cable 2 Keysight 11500E 3 5 mm cable Keysight 1250 1250 N M to SMA F E8257D 520 setup Output Frequency 100 MHz Output Power 27 dBm NOTE The input power MUST be 27 0 5 dBm at the channel 3 input connector If necessary use a 3 5 mm cable with certified l...

Page 66: ... u t T rig In E x t R e f In G a te In O u t C h 1 O p t 2 0 1 C h 2 G P IB O p t 1 0 6 1 1 5 IECS NMB 001 N 1 0 1 4 9 IS M 1 A C U S O p t 1 0 6 1 0 0 M H z 6 G H z 2 7 d B m M a x O p t 3 0 0 B a tte r y O p t 1 1 5 3 0 0 M H z 1 5 G H z 2 7 d B m M a x FS725 Rubidium Timebase Ext Ref In E8257D 520 Microwave Signal Generator Ch 2 3 NOTE For the Keysight 53210A Counter Option 106 is installed as ...

Page 67: ... Channel 3 input key Channel 3 is selected for test input 4 Press the Gate key The Gate softkeys are displayed 5 Press and set Gate Src Timed Gate Out On Gate Time 10 mSec 6 Press the Trigger key The Trigger softkeys are displayed NOTE There are no parameters to set for Channel 3 for this test ...

Page 68: ...Level Service Guide 7 Press to set Source Manual Wait For Trig is displayed Rdgs Trigger 100 Trig Delay 0 seconds 8 Press the Math key The Math softkeys are displayed 9 Press to set All Math On 10 Press the Statistics softkey The Statistics softkeys are displayed ...

Page 69: ...z 1 000 Hz 53210A 100 MHz 100 mHz 53220A 53230A 3 Verify the Std Dev is less than 1 400 Hz 53210A 700 mHz 53220A 140 mHz 53230A 4 Record the Mean and Standard Deviation for 100 MHz Test 6a in the Keysight 53210A 53220A 53230A Performance Test Record 5 Press the Reset Stats softkey 6 Set the E8257D 520 to 5 88 GHz at 27 dBm NOTE The input power MUST be 27 0 5 dBm at the channel 3 input connector If...

Page 70: ...an is 5 88 GHz 58 800 Hz 53210A 5 88 GHz 5 880 Hz 53220A 53230A 9 Verify the Std Dev is less than 82 300 Hz 53210A 41 100 Hz 53220A 8 230 Hz 53230A 10 Record the Mean and Standard Deviation for 5 88 GHz Test 6a in the Keysight 53210A 53220A 53230A Performance Test Record 11 Press the Reset Stats softkey 12 If Opt 150 is installed proceed to Test 7a Otherwise disconnect the test setup ...

Page 71: ...A at three frequencies 300 MHz 3 1 GHz and 15 0 GHz Equipment FS725 Rubidium timebase Keysight E8257D 520 microwave signal generator Keysight 10503A BNC cable 2 Keysight 11500E 3 5 mm cable Keysight 1250 1250 N M to SMA F E8257D 520 setup Output Frequency 300 MHz Output Power 23 dBm NOTE The input power MUST be 23 0 5 dBm at the channel 3 input connector If necessary use a 3 5 mm cable with certif...

Page 72: ...O u t T rig In E x t R e f In G a te In O u t C h 1 O p t 2 0 1 C h 2 G P IB O p t 1 0 6 1 1 5 IECS NMB 001 N 1 0 1 4 9 IS M 1 A C U S O p t 1 0 6 1 0 0 M H z 6 G H z 2 7 d B m M a x O p t 3 0 0 B a tte r y O p t 1 1 5 3 0 0 M H z 1 5 G H z 2 7 d B m M a x FS725 Rubidium Timebase Ext Ref In E8257D 520 Microwave Signal Generator Ch 2 3 NOTE For the Keysight 53210A Counter Option 115 is installed as...

Page 73: ... Channel 3 input key Channel 3 is selected for test input 4 Press the Gate key The Gate softkeys are displayed 5 Press and set Gate Src Timed Gate Out On Gate Time 10 mSec 6 Press the Trigger key The Trigger softkeys are displayed NOTE There are no parameters to set for Channel 3 for this test ...

Page 74: ...ss to set Source Manual Wait For Trig is displayed Rdgs Trigger 100 Trig Delay 0 seconds 8 Press the Math key The Math softkeys are displayed 9 Press to set All Math On 10 Press the Statistics softkey The Statistics softkey menu is displayed 11 Press to set Statistics On The display shows ...

Page 75: ...ev is less than 4 2 Hz 53210A 2 1 Hz 53220A 0 42 Hz 53230A 4 Record the Mean and Standard Deviation for 300 MHz Test 6b in the Keysight 53210A 53220A 53230A Performance Test Record 5 Press the Reset Stats softkey 6 Set the E8257D 520 to 3 1 GHz at 27 dBm 7 Press the Trigger key The counter takes 100 readings and fills in the math functions NOTE The input power MUST be 27 0 5 dBm at the channel 3 i...

Page 76: ...the Trigger key The counter takes 100 readings and fills in the math functions 14 Verify the Mean is 15 0 GHz 150 Hz 53210A 15 0 GHz 15 Hz 53220A 53230A 15 Verify the Std Dev is less than 210 Hz 53210A 105 Hz 53220A 21 0 Hz 53230A 16 Record the Mean and Standard Deviation for 15 0 GHz Test 6b in the Keysight 53210A 53220A 53230A Performance Test Record 17 Press the Reset Stats softkey 18 If Opt 15...

Page 77: ...gnal generator Keysight 10503A BNC cable 2 Keysight 11500E 3 5 mm cable Keysight 1250 1250 N M to SMA F E8257D 520 UNW setup Output Frequency 6 GHz Output Power 0 dBm Auto Level Control Off Pulse Mode On Pulse Repetition Interval Period 1 mSec Pulse Width Narrow 200 nSec NOTE This test procedure applies only to the 53230A Counter with Option 106 and Option 150 installed Option 106 is installed as ...

Page 78: ...channel 3 input connector If necessary use a 3 5 mm cable with certified loss at 6 GHz or a power meter to verify input power O p t 0 1 0 U O C X O L in e 1 0 0 2 4 0 V 5 0 6 0 H z 1 0 0 1 2 7 V 4 0 0 H z 9 0 V A M a x U S B L A N In t R e f O u t T rig In E x t R e f In G a te In O u t C h 1 O p t 2 0 1 C h 2 G P IB O p t 1 0 6 1 1 5 IECS NMB 001 N 1 0 1 4 9 IS M 1 A C U S O p t 1 0 6 1 0 0 M H z...

Page 79: ... 79 4 Press the Channel 3 input key Channel 3 is selected for test input 5 Press the Freq period key The Freq Period softkeys are displayed 6 Press the Pulse Burst softkey The Pulse Burst menu softkeys are displayed NOTE There are no parameters to set for Channel 3 for this test ...

Page 80: ...t Freq menu softkeys are displayed 8 Press to select dB Level 12 Narrow On Gate Auto On 9 Press the Trigger key The Trigger softkeys are displayed 10 Press to set Source Manual Wait For Trig is displayed Rdgs Trigger 100 Trig Delay 0 seconds 11 Press the Math key The Math softkeys are displayed 12 Press to set All Math On ...

Page 81: ...ervice Guide 81 13 Press the Statistics softkey The Statistics softkeys are displayed 14 Press to set Statistics On The display shows Channel 3 pulse burst frequency test procedure 1 Press the Trigger key The counter takes 100 readings and fills in the math functions ...

Page 82: ...ide Pulse 7 Press Freq Period Pulse Burst Burst Freq keys 8 Press and set dB Level 6 Narrow Off Gate Auto On 9 Press the Trigger key The counter takes 100 readings and fills in the math functions 10 Verify the Mean is 6 GHz 46 kHz 11 Verify the Std Dev is less than 18 5 kHz 12 Record the Mean and Standard Deviation for Test 7b in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to...

Page 83: ...0 UNW microwave signal generator Keysight 10503A BNC cable 2 Keysight 11500E 3 5 mm cable Keysight 1250 1250 N M to SMA F E8257D 520 UNW setup Output Frequency 1 35 GHz Output Power 6 dBm Auto Level Control Off Pulse Mode On Pulse Repetition Interval Period 1 mSec Pulse Width Narrow 400 nSec NOTE This test procedure applies only to the 53230A Counter with Option 115 and Option 150 installed Option...

Page 84: ...ge 27 4 Press the Channel 3 input key Channel 3 is selected for test input O p t 0 1 0 U O C X O L in e 1 0 0 2 4 0 V 5 0 6 0 H z 1 0 0 1 2 7 V 4 0 0 H z 9 0 V A M a x U S B L A N In t R e f O u t T rig In E x t R e f In G a te In O u t C h 1 O p t 2 0 1 C h 2 G P IB O p t 1 0 6 1 1 5 IECS NMB 001 N 1 0 1 4 9 IS M 1 A C U S O p t 1 0 6 1 0 0 M H z 6 G H z 2 7 d B m M a x O p t 3 0 0 B a tte r y O ...

Page 85: ...key The Freq Period softkeys are displayed 6 Press the Pulse Burst softkey The Pulse Burst menu softkeys are displayed 7 Press the Burst Freq softkey The Burst Freq menu softkeys are displayed 8 Press to select dB Level 6 Narrow On Gate Auto On NOTE There are no parameters to set for Channel 3 for this test ...

Page 86: ... Trigger key The Trigger softkeys are displayed 10 Press to set Source Manual Wait For Trig is displayed Rdgs Trigger 100 Trig Delay 0 seconds 11 Press the Math key The Math softkeys are displayed 12 Press to set All Math On 13 Press the Statistics softkey The Statistics softkeys are displayed ...

Page 87: ...uency test procedure 1 Press the Trigger key The counter takes 100 readings and fills in the math functions 2 Verify the Mean is 1 35 GHz 1 35 MHz 3 Verify the Std Dev is less than 338 kHz 4 Record the Mean and Standard Deviation for Test 7c in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 5 Press the Reset Stats softkey ...

Page 88: ...gger key The counter takes 100 readings and fills in the math functions 10 Verify the Mean is 1 35 GHz 20 8 kHz 11 Verify the Std Dev is less than 7 79 kHz 12 Record the Mean and Standard Deviation for Test 7d in the Keysight 53210A 53220A 53230A Performance Test Record Tests 1 to 7 on page 90 13 Press the Reset Stats softkey 14 Disconnect the test setup NOTE For Quick Verification Q only the narr...

Page 89: ..._____ Test Performed By _____________________________ Temperature _______________________ Date ______________________Relative Humidity ______________________________________ Notes ______________________________________________________________________________ Test number Operational verification Test Results Pass Fail 1 Power on Test 2 Self Test 3 Frequency Check Channel 1 10 MHz 4 Frequency Check ...

Page 90: ...________ 10 000 010 000 MHz 1 Q Absolute Timebase Test Option 010 High Stability Timebase 9 999 999 500 MHz Record Mean _______________________ 10 000 000 500 MHz 2a Q Keysight 53210A only Channel 1 Frequency Accuracy Test 10 MHz Test 115 MHz Test 350 MHz Test 10 MHz Test 115 MHz Test 350 MHz Test 9 999 999 900 MHz 114 999 998 850 MHz 349 999 996 500 MHz Record Mean ____________________ __________...

Page 91: ...00 010 MHz 115 000 000 115 MHz 350 000 000 350 MHz 70 000 000 mHz 805 000 000 mHz 2 450 000 000 mHz 2a Q Keysight 53230A only Channel 1 Frequency Accuracy Test 10 MHz Test 115 MHz Test 350 MHz Test 10 MHz Test 115 MHz Test 350 MHz Test 9 999 999 990 MHz 114 999 999 885 MHz 349 999 999 650 MHz Record Mean ____________________ ____________________ ____________________ Record Std Dev ________________...

Page 92: ...00 010 MHz 115 000 000 115 MHz 350 000 000 350 MHz 70 000 000 mHz 805 000 000 mHz 2 450 000 000 mHz 2b Q Keysight 53230A only Channel 2 Frequency Accuracy Test 10 MHz Test 115 MHz Test 350 MHz Test 10 MHz Test 115 MHz Test 350 MHz Test 9 999 999 990 MHz 114 999 999 885 MHz 349 999 999 650 MHz Record Mean ____________________ ____________________ ____________________ Record Std Dev ________________...

Page 93: ..._________ d __________________ 140 000 000 nSec 140 000 000 nSec 140 000 000 nSec 140 000 000 nSec 3 Mean 53230A a b c d Single Period Test Ch 1 1 MHz Ch 1 250 MHz Ch 2 1 MHz Ch 2 250 MHz 0 999 900 000 uSec 0 003 900 000 uSec 0 999 900 000 uSec 0 003 900 000 uSec Record Mean 53230A a __________________ b __________________ c __________________ d __________________ 1 000 100 000 uSec 0 004 100 000 ...

Page 94: ...Dev __________________ 5 400 000 000 nSec 0 140 000 000 nSec 5 200 000 000 nSec 0 028 000 000 nSec 4b Q Pulse Width Test Ch 2 53220A Ch 2 53230A 4 600 000 000 nSec 4 800 000 000 nSec Record Mean __________________ Record Std Dev __________________ Record Mean __________________ Record Std Dev __________________ 5 400 000 000 nSec 0 140 000 000 nSec 5 200 000 000 nSec 0 028 000 000 nSec Complete pe...

Page 95: ...0 000 000 nSec 0 028 000 000 nSec 6a Option 106 Q Frequency Accuracy Channel 3 100 MHz 53210A 53220A 53230A 53210A 53220A 53230A 99 999 999 000 MHz 99 999 999 900 MHz 99 999 999 900 MHz Record Mean __________________ __________________ __________________ Record Std Dev __________________ __________________ __________________ 100 000 001 000 MHz 100 000 000 100 MHz 100 000 000 100 MHz 1 400 000 000...

Page 96: ..._________ 5 880 000 058 800 GHz 5 880 000 005 880 GHz 5 880 000 005 880 GHz 82 300 000 000 Hz 41 100 000 000 Hz 8 230 000 000 Hz 6b Option 115 Q Frequency Accuracy Channel 3 300 MHz 53210A 53220A 53230A 53210A 53220A 53230A 299 999 997 MHz 299 999 999 7 MHz 299 999 999 7 MHz Record Mean __________________ __________________ __________________ Record Std Dev __________________ __________________ __...

Page 97: ...b Option 115 Q Frequency Accuracy Channel 3 15 0 GHz 53210A 53220A 53230A 53210A 53220A 53230A 14 999 999 850 GHz 14 999 999 985 GHz 14 999 999 985 GHz Record Mean __________________ __________________ __________________ Record Std Dev __________________ __________________ __________________ 15 000 000 150 GHz 15 000 000 015 GHz 15 000 000 015 GHz 210 Hz 105 Hz 21 Hz 7a Q Option 106 Option 150 532...

Page 98: ... Option 115 Option 150 53230A Pulse Burst Frequency 1 35 GHz Narrow Pulse Width 400 nSec 1 348 865 000 GHz Record Mean __________________ Record Std Dev _____________________ 1 351 350 000 GHz 338 kHz 7d Option 115 Option 150 53230A Pulse Burst Frequency 1 35 GHz Wide Pulse Width 13 uSec 1 349 979 200 GHz Record Mean __________________ Record Std Dev _____________________ 1 350 020 800 GHz 7 79 kH...

Page 99: ...9 2 Service Introduction 100 Returning the Instrument to Keysight Technologies for Service 104 About the Keysight 53210A 53220A 53230A Calibration Menu 109 The Keysight 53210A 53220A 53230A Calibration Procedures 118 Pre Troubleshooting Information 152 Troubleshooting the Counter 160 Error Messages 174 ...

Page 100: ...sight 53210A 53220A 53230A calibration procedures This section provides step by step procedures for calibrating the Keysight 53210A 53220A and 53230A Counters Pre troubleshooting information This section provides you with pertinent information such as safety considerations recommended test equipment repair and after service calibration considerations and assembly identification and location Troubl...

Page 101: ...rvice Guide 101 Figure 2 1 The front panel at a glance 1 USB Port 2 On Standby Switch 3 Menu Softkeys 4 Back Local Key 5 Channel Input Connectors 6 Channel Input Keys 7 L R Cursor Keys 8 Knob 9 System Keys 10 View Keys 11 Measure Keys 8 4 9 11 3 2 1 7 10 6 5 ...

Page 102: ...ter a key refers to a push button on the right hand side of the front panel of the counter A softkey refers to one of the six pushbutton functions beneath the display area Softkeys may have any one of many different functions depending upon which menu has been selected A row of screen annunciators softkey labels will appear above the softkeys A sample series of key depressions might be Utility Cal...

Page 103: ...on page 152 CAUTION DO NOT swap the motherboard the processor board or the front panel board from one instrument to another These boards contain model number and serial number information that uniquely identifies a specific unit and boards that are mismatched to the instrument may result in problems with performance calibration licensing serviceability importability exportability or warranty ...

Page 104: ...ors may be induced by signals present on the external connectors during a self test Long test leads even leads that are otherwise unconnected can act as an antenna causing pick up of AC signals Types of service available If your instrument fails during the warranty period Keysight Technologies will repair or replace it under the terms of your warranty After your warranty expires Keysight offers re...

Page 105: ...applicable To obtain warranty service or technical support information you can contact Keysight Technologies at one of the following telephone numbers In the United States 800 829 4444 In Europe 31 20 547 2111 In Japan 0120 421 345 Or use our Web link for information on contacting Keysight worldwide www keysight com find assist Or contact your Keysight Technologies Representative Before shipping y...

Page 106: ...en your counter is repaired it will be returned via overnight shipment at no extra charge 1 Write the following information on a tag Owner s name and address Instrument model number Complete serial number Description of service required or failure indications 2 Attach the tag to the instrument 3 Pack the instrument If you have the original packaging materials refer to the following section titled ...

Page 107: ...e the other polystyrene block on top of the rear end of the instrument to secure it Seal the shipping container securely Do not return the manuals with the instrument Return an accessory only when it is a part of the failure symptoms To pack in commercially available materials If the factory packaging materials are not available you can use commercially available materials for shipping Wrap the in...

Page 108: ...ou have questions relating to the operation of the Keysight 53210A 53220A or 53230A Counters call 1 800 452 4844 in the United States or contact your nearest Keysight Technologies Sales Office as shown at the front of this service guide Warranty If your 53210A 53220A 53230A Counter fails within the warranty period Keysight will either repair or replace it free of charge Call 1 877 447 7278 in the ...

Page 109: ... the counter The security code is set to AT53210A AT53220A or AT53230A corresponding to the model when the counter is shipped from the factory If you change and then forget your security code you can reset the security code to a blank code by resetting all of the non volatile memory to a default state Refer to the Procedure Resetting the security code to a null on page 151 Then you can enter a new...

Page 110: ...nternal DACs Negative Voltage Calibrate with an operator applied negative reference voltage the internal DACs uWave Input the calibration frequencies for the 6 GHz or 15 GHz microwave channel Options 106 or 115 Perform Cal Step Initiate the selected calibration step Measure Temp Reads and displays the current temperature and also the temperature of the instrument during the last Auto Cal Auto Cal ...

Page 111: ...cessary to unlock the counter to perform Auto Cal However any signals routed to the Channel input connectors should be turned off or disconnected Also see the CAUTION below CAUTION A successful ACAL will result in the automatic update of the compensation factors that a previous ACAL has measured and stored Since ACAL changes these compensation factors if there is a case where the user is making a ...

Page 112: ...librated shown on Cal Step softkey Press Perform Cal softkey Is Locked softkey visible Press Cal Autocal softkey Press Utility key Connect Cal Source to Channel 1 of counter Enter secure code using keys and knob Press Unlock softkey See Service Manual Press Cal Step softkey Press a softkey Oscil PosVolt or NegVolt No Yes Yes No Yes No DONE Press any key to continue See Service Manual DONE Press an...

Page 113: ... String or Secure Code is updated 4 the counter firmware is updated It is not operator modifiable and rolls over at 232 1 Since the unit is calibrated several times during manufacture the Cal Count will not be zero when shipped Cal String shows the current calibration string This string is operator modifiable used to record such information as the date of the last calibration or by whom it was per...

Page 114: ... calibration To lock the counter against calibration Display softkey annunciators show To lock the counter 1 Using the front panel knob and right left arrow keys enter the current or a new security code in the data entry area see Figure 2 1 and Figure 2 2 2 The characters available to use for the security code are selectable by rotating the knob on the front panel for each character position in th...

Page 115: ...s to Unlock Cal The Cal Count is incremented only if a new secure code was entered NOTE The first character in the code MUST be a letter A to Z CAUTION IMPORTANT Be sure to write down the calibration security code you enter before you lock the counter Once the counter is locked there is no way on the counter to tell what the code is However there is a procedure that can be used to reset the secure...

Page 116: ...ity code set at the factory for a 53210A Counter then enter AT53210A into the data entry field The code will repeat in the Secure Code line in the Calibrate Information screen 2 Press the Unlock Cal softkey to complete the data entry If the code is valid the Unlock Cal annunciator changes to Lock Cal to show the data was accepted and the counter is now unlocked for calibration The Cal Count is not...

Page 117: ...e Code areas change to all dash characters when the code is accepted The Cal Count is incremented and the Lock Cal softkey changes to the Unlock Cal softkey CAUTION IMPORTANT Be sure to write down the new calibration security code you enter before you lock the counter Once the counter is locked there is no way on the counter to tell what the code is However there is a procedure that can be used to...

Page 118: ...rator 100 MHz to 15 GHz Freq Accy at 6 GHz and 15 GHz 10ppb PW Accy 10 Keysight E8257D 520 UNW or equivalent DC power supply Adjustable to 5 000V Keysight 6234A or equivalent Type N m to BNC f Adapter Keysight 1250 0780 SMA m to BNC f adapter Keysight 1250 1200 BNC to dual banana plug BNC f to banana plug m Keysight E9637A or Newark 10M4161 50 Ohm coaxial cable with BNC connectors 5 BNC m to BNC m...

Page 119: ...e the counter firmware version Press the Help key then the About softkey An information screen Figure 2 4 is displayed that contains the following items Keysight Model Number Instrument Serial Number IP and GPIB addresses Firmware Version Format x xx x xx xx xx xx Installed Options ...

Page 120: ...e versions NOTE If the counter s firmware version is equal to or higher than 01 08 then perform the procedures in this section NOTE If Option 106 6 GHz Microwave Input is installed in your counter and the FW Rev is 27 0 refer to Procedure Changes on page 264 for information concerning the calibration procedure for your counter NOTE After completing a new calibration of the counter be sure to secur...

Page 121: ...llows Send CALibration STRing string Example output address CAL STR last cal 8 15 2010 CALibration STRing reads the current cal string contents from the counter last cal 8 15 2010 Internal reference oscillator calibration 1 First run the counter Self Test as described in Performing the counter self test on page 169 A successful self test procedure verifies that the counter is operational and ready...

Page 122: ...ly Level Service Guide 4 Connect the frequency source Q or not Q output to Channel 1 on the counter front panel See Figure 2 5 Figure 2 5 Oscillator calibration setup 5 Press the Utility key Display softkey annunciators show CG 635 RF Signal Generator ...

Page 123: ...ufacture the Cal Count will not be zero when shipped Cal String shows the current calibration string This string is operator modifiable used to record such information as the date of the last calibration or by whom it was performed The Calibration String can not be entered from the front panel keys It can only be entered updated using the remote SCPI command CALibration STRing Refer to the Keysigh...

Page 124: ...ftkey becomes available 9 Press the Perform Cal softkey The Cal Step softkey shows the last cal step that was selected 10 Press the Cal Step softkey Display softkey annunciators show Only displayed if Option 106 or Option 115 is installed 11 Press the Oscil softkey Display softkey annunciators show NOTE The data entry area will display the expected calibration frequency 10 000 MHz ...

Page 125: ...fy the input frequency is correct and the source output is connected and turned on Then refer to the troubleshooting procedures on page 160 14 To check for error messages refer to the Remote Oscillator Calibration Summary below for information on how to read the error message s from a remote computer NOTE If the calibration fails the current calibration constants remain unchanged NOTE If you do no...

Page 126: ... PC to be greater than 20 seconds Connect calibration source to channel 1 10 000 000 000 MHz Unlock security CALibration SECurity STATe OFF code Read security state CALibration SECurity STATe 0 means OFF or unlocked Send command to calibrate CALibration VALue 10E6 Send query command CAL Retrieve query result 0 indicates the calibration PASSED Any value other than 0 indicates calibration FAILED If ...

Page 127: ... output a voltage of 4 0 VDC Do not connect the output to the counter input connector until instructed to do so NOTE An AutoCal is performed automatically after this calibration is successfully completed NOTE The Calibration menu is accessed by pressing the Utility key and then the Cal AutoCal softkey NOTE The preferred voltage for optimum calibration accuracy is 4 096 Volts DC However if your pow...

Page 128: ... The display shows Cal Count shows the total number of times 1 a successful calibration step has been completed 2 calibration data is downloaded 3 the Cal String or Secure Code is updated 4 the counter firmware is updated It is not operator modifiable and rolls over at 232 1 Since the unit is calibrated several times during manufacture the Cal Count will not be zero when shipped ...

Page 129: ...53210A 53220A 53230A SCPI Programmer s Reference for details of the command format Secure Code displays either all dashes or an operator entered security code that has not yet been accepted by the counter 5 When Lock Cal is displayed for a softkey the firmware is unlocked and ready for calibration The Perform Cal softkey then becomes available 6 Press the Perform Cal softkey Display softkey annunc...

Page 130: ...measured by the DMM 4 096 or 4 000 Use the front panel knob and left right arrow keys to enter the value 1mV 10 Connect the DC voltage source to Channel 1 on the counter front panel as shown in Figure 2 6 Figure 2 6 DC voltage source and DMM connections 11 Press the Perform Cal Step softkey If the calibration step PASSES after a few seconds the counter momentarily displays Calibration step succeed...

Page 131: ...Step selection 14 If the calibration fails Calibration step failed first verify the input voltage is correct within 1 0 milliVolt and the power supply output is connected and turned on Then refer to the troubleshooting procedures starting on page 160 15 To check for error messages refer to the Summary of internal DAC remote calibration below for information on how to read the error message s from ...

Page 132: ...state CALibration SECurity STATe 0 means OFF or unlocked Send the calibrate command CALibration VALue 4 096 repeat with CAL VAL 4 096 Send query command CAL Retrieve query result 0 indicates the calibration PASSED Any value other than 0 indicates calibration FAILED If non zero value read error queue SYSTem ERRor Read errors until no more errors Consult the Error Messages section starting on page 1...

Page 133: ...unter Self Test as described under Performing the counter self test on page 169 A successful self test procedure verifies that the counter is operational and ready for calibration 2 Unlock the counter by performing the procedure To unlock the counter for calibration on page 116 Key sequence Utility Cal AutoCal enter code Unlock Cal 3 Set up an external microwave frequency source for a 500 MHz sine...

Page 134: ...te options Display shows Cal Count shows the total number of times 1 a successful calibration step has been completed 2 calibration data is downloaded 3 the Cal String or Secure Code is updated 4 the counter firmware is updated It is not operator modifiable and rolls over at 232 1 Since the unit is calibrated several times during manufacture the Cal Count will not be zero when shipped ...

Page 135: ...I Programmer s Reference for details of the command format Secure Code displays either all dashes or an operator entered security code that has not yet been accepted by the counter 7 If Unlock Cal is displayed on a softkey the counter is locked against calibration See step 2 8 If Lock Cal is displayed on a softkey the counter is unlocked and ready for calibration The Perform Cal softkey becomes av...

Page 136: ...ly shows 13 Select the output enable ON feature of the microwave source or reconnect the cable to the counter as appropriate 14 Use the front panel knob and left right arrow keys to enter the value 500 MHz as shown NOTE If your microwave source does not have an output enable disable feature temporarily disconnect the cable from the microwave input channel until after the zero calibration is perfor...

Page 137: ...ants are updated The Cal Count on the screen will increment 17 Repeat steps 14 to 16 using each of the calibration frequencies and power levels in Table 2 2 total of 36 steps For each calibration step set the source frequency and power accordingly Table 2 2 Option 106 calibration frequencies and power levels Test point Frequency MHz Power level 1 Power level 2 Power level 3 1 500 MHz 27 dBm 4 dBm ...

Page 138: ...le to read the error message s consult Error Messages on page 174 for what to do after receiving a specific calibration error message 11 5750 MHz 27 dBm 4 dBm 10 dBm 12 6000 MHz 27 dBm 4 dBm 10 dBm Table 2 2 Option 106 calibration frequencies and power levels continued Test point Frequency MHz Power level 1 Power level 2 Power level 3 NOTE If the calibration fails for any calibration point includi...

Page 139: ...ter Input Power power Perform Cal Step Summary of Option 106 remote microwave calibration Set timeout for PC to be greater than 20 seconds Unlock security CALibration SECurity STATe OFF code Read security state CALibration SECurity STATe 0 means OFF or unlocked Send zero calibration command one time only Use CALibration LEVel3 0 0 for 53220A 53230A Use CALibration LEVel2 0 0 for 53210A Retrieve qu...

Page 140: ...the Option 106 calibration procedure Option 115 microwave channel frequency calibration The following procedure should be performed when Option 115 15 GHz Microwave channel with any Option 115 firmware revision is installed as Channel 2 in a 53210A or Channel 3 in a 53220A or 53230A 1 Press the following keys Help About 2 The display shows 3 Run the counter Self Test as described under Performing ...

Page 141: ... 5 Set up an external microwave frequency source for a 300 MHz sine wave at 21 dBm If the source has an output enable feature turn it OFF at first for the zero calibration procedure 6 Connect the microwave frequency source to Channel 3 on the counter front panel Channel 2 for a 53210A See Figure 2 8 Figure 2 8 Microwave source connection to Channel 3 7 Press the Utility key Display softkey annunci...

Page 142: ...unt will not be zero when shipped Cal String shows the current calibration string This string is operator modifiable used to record such information as the date of the last calibration or by whom it was performed The Calibration String can not be entered from the front panel keys It can only be entered updated using the remote SCPI command CALibration STRing Refer to the Keysight 53210A 53220A 532...

Page 143: ...tors show 12 Press the Cal Step softkey Display softkey annunciators show Only displayed if Option 106 or 115 is installed 13 Press the uWave softkey Display softkey annunciators show 14 Press the Perform Zero Cal softkey to perform zero calibration Display momentarily shows NOTE If your microwave source does not have an output enable disable feature temporarily disconnect the cable from the micro...

Page 144: ...1 dBm Actual input power at the counter must be 21 dBm 0 5 dB If necessary verify with a power meter 18 Press the Perform Cal Step softkey to enter the data into the counter and initiate the microwave oscillator calibration If the calibration step PASSES after a few seconds the counter momentarily displays Calibration step succeeded The internal calibration constants are updated The Cal Count on t...

Page 145: ...or message s from a remote computer Table 2 3 Option 115 calibration frequencies and power levels Test point Frequency MHz Power level 1 Power level 2 Power level 3 1 300 MHz 21 dBm 4 dBm 10 dBm 2 1000 MHz 21 dBm 4 dBm 10 dBm 3 3000 MHz 21 dBm 4 dBm 10 dBm 4 5000 MHz 21 dBm 4 dBm 10 dBm 5 7000 MHz 21 dBm 4 dBm 10 dBm 6 9000 MHz 21 dBm 4 dBm 10 dBm 7 10000 MHz 21 dBm 4 dBm 10 dBm 8 11000 MHz 21 dBm...

Page 146: ...al Cal Step uWave enter Input Freq frequency Utility Cal AutoCal Perform Cal Cal Step uWave enter Input Power power Perform Cal Step Summary of Option 115 remote microwave calibration Set timeout for PC to be greater than 20 seconds Unlock security CALibration SECurity STATe OFF code Read security state CALibration SECurity STATe 0 means OFF or unlocked Send zero calibration command one time only ...

Page 147: ...l auto calibration No external inputs are required for running auto calibration Auto calibration runs a select series of internal calibration routines using internal standards and stores appropriate calibration constants for use in subsequent measurements This operation fine tunes the current calibration based on the internal temperature of the counter If the auto calibration completes normally th...

Page 148: ...s Auto Calibration succeeded Cal Count is not updated but the calibration constants ARE updated If any one of the calibration routines fails the screen displays Auto Calibration failed NOTE It is recommended that Auto Cal be performed frequently during routine counter operation especially if there has been an internal ambient temperature change of 5o C or more since the last Auto Cal A good practi...

Page 149: ...he front panel the following key strokes initiate the auto calibration Utility Cal AutoCal Auto Cal Summary of remote auto calibration Send command CAL Note use of the Wait 10 seconds Retrieve query result 0 indicates the auto calibration PASSED Any value other than 0 indicates auto calibration FAILED If the retrieved value is non zero read error queue SYSTem ERRor Read errors until no more errors...

Page 150: ...tility key and then press the Cal AutoCal softkey 2 The display shows Cal Count shows the total number of times 1 a successful calibration step has been completed 2 calibration data is downloaded 3 the Cal String or Secure Code is updated 4 the counter firmware is updated It is not operator modifiable and rolls over at 232 1 Since the unit is calibrated several times during manufacture the Cal Cou...

Page 151: ...ectory This file should be empty Connect the USB drive to the counter front panel USB port Power the instrument off and back on At startup the counter will detect the CalSecureOverride txt empty file on the USB flash drive and there will be a message on the front panel display CAL Security Override file found Turn OFF CAL security which must be responded to within 10 seconds time If the operator r...

Page 152: ...e by service trained personnel only To avoid dangerous electric shock do not perform any servicing or make any adjustments with the cover removed unless qualified to do so WARNING Before applying AC power the instrument and all protective earth terminals extension cords auto transformers and devices connected to the instrument should be connected to a protective earth grounded socket Any interrupt...

Page 153: ...CG635 or equivalent Primary frequency standard 10 MHz house standard Absolute accuracy 1 x 10 10 Stanford Research Systems FS725 Rubidium Timebase DC power supply Adjustable to 5 000V Keysight 6234A or equivalent Digital multimeter DMM Microvolt accuracy Keysight 34410A or equivalent Type N to BNC connector Keysight 1250 0780 BNC to dual banana plug BNC f to dual banana plug m Keysight E9637A 50 O...

Page 154: ...ts static shielding protection until you are ready to install it 5 DO NOT handle components or assemblies in carpeted areas 6 AVOID touching component leads Handle by packaging only Surface mount repair Surface mount components should only be removed using soldering irons or desoldering stations expressly designed for surface mount components Use of conventional solder removal equipment will almos...

Page 155: ... the rear panel or BNC ground collar to the ground pin on the power cord plug The reading must be less than 1Ω Flex the power cord while making this measurement to determine whether intermittent discontinuities exist 3 Check any indicated front or rear panel ground terminals marked using the above procedure WARNING Resistance checks described in the following text require that the power cord be co...

Page 156: ...trofit options using the provided order number See the preface for information on contacting Keysight Table 2 5 Keysight 53210A 53220A 53230A assembly identification Assembly name Keysight part no Motherboard 53210A 53220A 53230A 53210 66101 standard timebase 53210 66102 high stability timebase 53220 66101 standard timebase 53220 66102 high stability timebase 53220 66101 standard timebase 53220 66...

Page 157: ...r board or the front panel board from one instrument to another These boards contain model number and serial number information that uniquely identifies a specific unit and boards that are mismatched to the instrument may result in problems with performance licensing serviceability importability exportability or warranty ...

Page 158: ...ice Guide Figure 2 9 Counter top internal view REAR FRONT GPIB Option 106 6 GHz or Option Motherboard AC Power Supply Front Panel Display NOTE Option 300 Internal DC battery assembly if installed is on top of and covers the motherboard and Option 106 115 Assemblies ...

Page 159: ...Service 2 Keysight 53210A 53220A 53230A Assembly Level Service Guide 159 Figure 2 10 Bottom internal view Motherboard Processor Board FRONT REAR ...

Page 160: ...ource Verify that the front panel On Standby switch has been pressed Unit fails self test Ensure that all terminal connections both front panel and rear panel terminals are removed while the self test is performed Power supply check 1 Remove the power cord from the back of the instrument to disconnect the counter from the power source 2 Remove the cover as described in Chapter 3 Replacing Assembli...

Page 161: ...er to the chassis and verify that the voltages in Table 2 6 below match the voltages measured at the test points on the Motherboard Assembly See Figure 2 11 below for the test point locations as viewed from the top of the counter NOTE If unsure whether the fan is running look at the fan blades on the back of the counter to determine if the fan is running On the low speed the fan is very quiet NOTE...

Page 162: ...t 53210A 53220A 53230A Assembly Level Service Guide Figure 2 11 ac Power Supply Testpoint Locations on the Motherboard assembly top view internal battery removed test points visible Test Points REAR FRONT Motherboard J1000 ...

Page 163: ...PIB will likely fail 6 If the 15 V is present but one or more of the other voltages are incorrect or missing replace the motherboard 7 After verifying the correct voltages perform the counter Self Test as described on page 169 Table 2 6 DC power supply voltages Test point Voltage Tolerance T1000 3 30 V 0 250 V T1001 3 30V 0 250 V T1002 5 00 V ______ T1003 5 00 V ______ T1004 2 50 V 0 6 V T1005 1 2...

Page 164: ...2 6 above When AC voltage is disconnected or lost from the counter the battery if turned ON applies its own approximately 10 VDC to 12 VDC to the motherboard This voltage is sufficient for the switching supplies to continue operation Preliminary steps 1 Remove the instrument cover as follows 2 Remove the AC power cord from the counter and disconnect any signal or interface cables present 3 To remo...

Page 165: ...tery assembly to the left hand side panel as viewed from the rear of the instrument Lift up carefully on the two side overlapping tabs on the left side of the battery assembly and separate the assembly from the three large tabs holding it on the right side Lay the assembly on its back to the right side of the chassis and place the three small tabs on the back side of the three large tabs into the ...

Page 166: ...Button and Charge Indicator 8 With counter AC power still disconnected use a DMM to measure the DC voltage on the battery charging assembly 8 pin connector J100 still connected to the motherboard from pins 5 6 to ground Both pins should read between 10 and 13 VDC 9 Connect the AC power cord to the counter The Power LED next to the counter Power switch should be off Standby mode 10 Repeat step 8 Bo...

Page 167: ...ally turned ON when the counter is using AC power as follows 1 Press the Utility key and then the Battery Option softkey 2 Press to select Battery On When battery is Off it is disabled but still available 3 Check the battery charge level by pressing the Battery Level softkey Display shows for example NOTE If the battery has been totally discharged for an extended period of time you can try chargin...

Page 168: ...y is discharged at approximately 10 of full initial capacity per month Batteries that are left fully discharged for 6 18 months may need to be replaced Remote battery commands The battery charge can be read from a remote computer by sending the SCPI command SYSTem BATTery LEVel The charge level in will be returned The counter can be queried to see if it is presently using AC power or battery power...

Page 169: ... Passed NOTE If the self test fails an error message will be displayed Self Test Failed To check for specific error messages refer to the Summary of remote self test verification below for information on how to read the error message s from a remote computer NOTE If you do not have a remote computer available requires a LAN USB or GPIB interface or are not proficient at programming contact the nea...

Page 170: ...If the retrieved value is non zero read error queue SYSTem ERRor Read errors until no more errors To determine the counter firmware version Older firmware versions may have known or unknown problems in the code Verify the firmware for your counter as follows 1 Press the Help key then the About softkey NOTE If you are able to read the error message s consult Error Messages on page 174 for what to d...

Page 171: ...your counter is the first 5 character positions in the serial number listed on the display for example MY50000125 The counter serial number suffix for example MY50000125 is the production number of the counter The whole number MY50000125 is the actual serial number of the counter NOTE If any number other than 01 07 or 01 08 is displayed as the number before the first dash of the firmware version t...

Page 172: ...ff the unit disconnect the power cord and remove the cover Re seat the processor board and the main board Reinstall the cover reconnect the power cord and power up the unit Look for any errors still being reported after power on NOTE If the counter s firmware version code is 01 07 or 01 08 then perform the procedures in this section or contact Keysight Technologies about obtaining a firmware upgra...

Page 173: ...oval and replacement procedures NOTE After replacing an assembly perform the calibration procedures in this chapter CAUTION DO NOT swap the motherboard the processor board or the front panel board from one instrument to another These boards contain model number and serial number information that uniquely identifies a specific unit and boards that are mismatched to the instrument may result in prob...

Page 174: ...d assembly replacement procedure The following error messages may appear during operation calibration or testing of the 53210A 53220A or 53230A Counters Refer to the appropriate category of error messages for problems you are experiencing with your counter Command errors 100 These errors indicate operator errors Refer to the User s Guide for information Execution errors 200 These errors except for...

Page 175: ...herboard 2 P0500 63001 processor board 240 Hardware error cannot communicate with channel 3 hardware 1 53200 66505 Option 106 or 53200 66506 Option 115 2 532xx 66501 motherboard 240 Hardware error channel 3 operation failed 1 53200 66505 Option 106 or 53200 66506 Option 115 2 532xx 66501 motherboard 240 Hardware error measurement operation failed 1 532xx 66501 motherboard 2 53200 66505 Option 106 ...

Page 176: ...ernal software error 313 Calibration memory lost 1 P0500 63001 Processor board 313 Calibration memory lost memory corruption detected 1 P0500 63001 Processor board 313 Calibration memory lost due to firmware revision change 314 Save recall memory lost memory corruption detected 1 P0500 63001 Processor board 314 Save recall memory lost due to firmware revision change 315 Configuration memory lost m...

Page 177: ...operator or by the external calibration source Utility Instr Setup Self Test 701 Calibration error security defeated 702 Calibration error calibration memory is secured 703 Calibration error secure code provided was invalid 704 Calibration error secure code too long 705 Calibration error calibration aborted 706 Calibration error provided value out of range 707 Calibration error computed correction...

Page 178: ...te with the FPGAs programmable chips on the main board In this case further troubleshooting is required to determine where the fault lies The problem could be due to out of date firmware unseated processor board or main board assembly failure or processor board failure The following errors indicate failures that may occur during a self test 901 Self Test failed Autocal failure 1 53200 66501 Mother...

Page 179: ...07 battery charger assy 909 Self test failed GPIB test Failed 1 P0001 20001 GPIB board 2 P0500 63001 processor board 910 Self test failed Channel 3 test failed 1 53200 66505 Option 106 or 53200 66506 Option 115 2 532xx 66501 motherboard 911 Self test failed Front Panel revision check failed 1 53200 66502 front panel 2 P0500 63001 processor board 912 Self test failed Measurement board test failed 1...

Page 180: ...2 Service 180 Keysight 53210A 53220A 53230A Assembly Level Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 181: ...ve the Cover and Rear Bezel 185 To Remove the Internal DC Battery Assembly Option 300 187 To Remove the GPIB Assembly 189 To Remove a 6 0 GHz or 15 0 GHz Microwave Channel Assembly Options 106 115 190 To Remove the Processor Board 193 To Remove the Front Panel Assembly 194 To Remove the Motherboard 198 To Remove the AC Power Supply Assembly 199 Disassembly and reassembly ...

Page 182: ...essor board To remove the front panel assembly To remove the display board keypads and window To remove the motherboard To remove the ac power supply assembly CAUTION Only open the counter at a Static Safe Workstation to prevent electro static damage to the instrument Do not replace assemblies with the counter turned on or AC power connected to the instrument Damage to components can occur CAUTION...

Page 183: ... spin tight 5 16 open end wrench Static Safe Workstation Do this first Before performing any of the removal and replacement procedures the following steps must be performed 1 Turn counter off 2 Remove AC line power cord from the rear AC line socket 3 Open up the counter only at a static safe workstation WARNING Hazardous voltages are on the power supply assembly After unplugging the instrument wai...

Page 184: ...d areas 7 AVOID touching component leads Handle by packaging only Surface mount repair Surface mount components should only be removed using soldering irons or desoldering stations expressly designed for surface mount components Use of conventional solder removal equipment will almost always result in permanent damage to the printed circuit board and will void your Keysight Technologies factory wa...

Page 185: ...nd cable assemblies and all other internal parts 1 Turn off the counter and remove the power cord 2 Remove the handle by rotating it to the vertical position and pulling the ends outward as shown in Figure 3 1 Figure 3 1 Handle removal WARNING When the cover is removed from the instrument line voltages are exposed which are dangerous and may cause serious injiry if touched Disconnect power and wai...

Page 186: ...move the rear bezel and cover loosen the captive screws on the sides as shown in Figure 3 2 using the TORX 20 screwdriver Figure 3 2 Rear Bezel And Cover Removal 4 With one hand gripping the front bezel pull the rear bezel and cover off with the other hand by sliding the cover backward T20 T20 ...

Page 187: ... cable carefully turn the battery assembly over on its back and insert the three smaller tabs behind the large tabs into the three slots in the assembly See Figure 3 3 5 Disconnect the Y Cable 3 connectors from the Option 300 Battery Assembly then disconnect the digital cable 6 Remove the Battery Assembly If the battery is to be replaced remove the four T10 TORX screws holding the battery cover 7 ...

Page 188: ...3 Replacing Assemblies 188 Keysight 53210A 53220A 53230A Assembly Level Service Guide Figure 3 3 Battery assembly temporary position for service or Removal Three Small Tabs Three Large Tabs ...

Page 189: ...the Option 300 Internal DC Battery assembly as described previously 3 Carefully remove the ribbon cable from J1 on the GPIB printed circuit board 4 Using a 7mm spintite remove the two hex screws securing the GPIB assembly to the rear panel 5 Remove the GPIB assembly from the counter 6 To replace the GPIB assembly reverse the above procedure Figure 3 4 Top view of counter showing GPIB assembly Opti...

Page 190: ...end wrench loosen the semi rigid coax cable at the assembly end of the cable that connects the assembly to the front or rear panel c Remove the T20 TORX screw at the rear of the motherboard that secures the channel assembly to the motherboard d Lift up carefully on the microwave channel assembly and disconnect the ribbon cable on the underside of the assembly e Remove the assembly from the counter...

Page 191: ... the screw all the way down at this time Front Flange Option 106 or 115 NOTE Be sure the flange on the front of the assembly remains positioned over the tab on the front panel assembly NOTE Front Panel Input Channel Connector If the semi rigid cable connectors do not line up exactly without distorting the cable turn the chassis over and through the open area provided use a 5 16 wrench to loosen th...

Page 192: ... NOTE Rear Panel Input Channel Connector If the semi rigid cable connectors do not line up exactly without distorting the cable loosen the 5 16 nut on the outside rear panel SMA connector and gently re position the cable until it is positioned to connect the assembly to the rear panel with no stress on either end of the semi rigid cable NOTE After installing either the 6 GHz or the 15 GHz Microwav...

Page 193: ...he motherboard see Figure 3 6 Figure 3 6 Processor PC board 3 Press the two tabs securing the edge connector of the processor board to release the board 4 Remove the processor board carefully from its connector and set it aside in a safe location on the ESD mat 5 To re install the processor board reverse the above procedure Slot T10 Motherboard Processor NOTE For re assembly note how the left rear...

Page 194: ...ner and then slide it off as shown in Figure 3 7 Figure 3 7 Front rubber bumper removal 6 Remove the front panel assembly as follows 7 Turn the chassis upside down Remove the smaller processor board from the motherboard as described previously see Figure 3 6 8 Remove the board carefully from its edge connector and set it aside in a safe location on the ESD mat NOTE Read each instruction step in it...

Page 195: ...eft front of the front panel while at the same time use your left hand to press in on the front of the left hand aluminum chassis side panel so that the front of the side panel overlaps the depressed tab and keeps it depressed The left front standoffs should now be free of their holes T20 Motherboard X Y NOTE The four standoffs on the aluminum side panels two on each side front secure the front pa...

Page 196: ...therboard to release the edge connector and free the front panel completely 14 To replace the front panel reverse the above procedure NOTE At this point the front panel is only held to the motherboard by an edge connector NOTE The Lithium Ion coin battery CR2032 on the rear of the display board may now be easily accessed and replaced if necessary Symptoms of a discharged CR2032 battery needing rep...

Page 197: ...on the front panel is only pressed onto its rotor It can be removed by pulling gently on two sides 4 Using a thin non sharp round tool such as a folded open metal paperclip slip one end of the clip under the bronze colored ribbon cable passing through a slot on the display board and connected to J202 Gently force the ribbon cable end out of J202 5 Remove the last T8 TORX screw holding the display ...

Page 198: ...al of the motherboard a Disconnect the two wire red black fan connector at the right rear of the motherboard J1201 b Disconnect the four wire 2 red 2 black power supply connector at the right front of the motherboard J1000 c Using a 14mm deep socket remove the lock nut and lockwasher from the Ext Ref In and Gate In Out BNC connectors on the rear panel d Remove the T20 TORX screw at the rear center...

Page 199: ...ct the power ground wire spade connector the 3 pin AC power IN connector and the 6 pin DC power OUT connector from the AC power supply 3 Remove the T20 TORX screw holding the rear of the power supply to the right hand side of the frame 4 Slide the power supply assembly forward until the five locking tabs clear their slots and remove the power supply assembly 5 To replace the AC Power Supply revers...

Page 200: ...3 Replacing Assemblies 200 Keysight 53210A 53220A 53230A Assembly Level Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 201: ...nel Inputs Option 201 213 To Retrofit the 53210A Channel 2 Front Panel Input Option 106 or Option 115 plus Front Panel Option 202 217 To Retrofit the 53210A Channel 2 Rear Panel Input 6 0 GHz Option 106 or 15 0 GHz Option 115 plus Rear Panel Option 203 227 To Retrofit the 53220A 53230A Channel 3 Input 6 0 GHz Option 106 or 15 0 GHz Option 115 plus Front panel option 202 232 To Retrofit the 53220A ...

Page 202: ...ion 106 or 15 0 GHz Option 115 plus rear panel Option 203 To retrofit the 53220A 53230A channel 3 input 6 0 GHz Option 106 or 15 0 GHz Option 115 plus front panel Option 202 To retrofit the 53220A 53230A channel 3 input 6 0 GHz Option 106 or 15 0 GHz Option 115 plus rear panel Option 203 To retrofit Option 150 pulse microwave measurements to the 53230A Tools required The following tools may be nee...

Page 203: ...efore performing any of the retrofit procedures in Chapter 4 the following steps must be performed WARNING Hazardous voltages exist on some internal circuits of the counter After disconnecting the AC line power cord wait at least 6 minutes for the high voltage capacitors to discharge before removing the cover CAUTION ESD damage caused by customer access to the internal circuits of the counter with...

Page 204: ...ra High Stability Timebase must be performed by technicians at an Keysight Technologies Service Center Refer to the list of Keysight Sales and Service offices in the Appendix for the office closest to you NOTE To order the Ultra High Stability Option 010 you will need to place an order with Keysight for 53200U 010 and identify which counter you have 53210A 53220A or 53230A ...

Page 205: ...20 TORX screws securing the rear panel bezel 4 Slide the outside cover of the counter to the rear and remove the cover Item Keysight part no Qty PC board assembly P0001 63001 1 Ribbon cable 16 pin 53200 61601 1 7mm Hex head standoff 0380 0644 2 Washer lock 2190 0577 2 CAUTION Before proceeding with the installation follow all the ESD steps as outlined in the section titled Do This first under the ...

Page 206: ...all tabs on the back side of the three large tabs into the three slots on the assembly deck GPIB connector installation procedure 1 Remove the GPIB cover plate using a T20 TORX screwdriver 2 Insert the GPIB connector through the connector hole on the rear panel 3 Use a 7mm spin tite to install the two supplied Hex head standoffs and lock washers Tighten the two standoffs securely do not over tight...

Page 207: ...20 TORX screws securing the rear panel bezel Item Keysight part no Qty Battery charger PCB assembly 53200 66507 1 Battery 1420 0909 1 Y Cable 53200 61602 1 Ribbon cable 6 pin 53200 61603 1 Deck 53200 00601 1 Cover 53200 00602 1 TORX 10 screws 0515 0430 7 TORX 20 screws 0515 0433 2 CAUTION Before proceeding with the installation follow all the ESD steps as outlined in the section titled Do This fir...

Page 208: ... between the Motherboard J1000 and the PowerSupply board J2 Refer to Figure 4 1 andFigure 4 2 Figure 4 1 Connector Locking Tab 2 Gently move the cable 4 pin connector side to side while pulling upward on the cable connector until the jumper cable is free from the motherboard 3 Repeat steps 1 and 2 for the other end of the jumper cable where it connects to the AC power supply assembly 6 pin connect...

Page 209: ...ied Y cable assembly Figure 4 3 to the AC power supply 6 pin connector and then connect the 4 pin connector on the cable to the motherboard 4 pin connector where the jumper cable was removed in step 2 5 Be sure the locking tabs on the PC board connectors lock the cable connectors at each end preventing the cable connectors from working loose on their own J1200 J1000 ...

Page 210: ... connector J1200 next to the 4 pin connector J1000 on the motherboard 7 Push and hold the white test button on the battery while observing the charge level indicator Figure 4 4 The charge level should be at least 25 It should charge to between 75 and 100 after installation when AC power is applied to the counter Figure 4 4 Test button and charge indicator Y Cable Digital Cable TEST BUTTON CHARGE L...

Page 211: ...he 8 pin cable to J100 See Figure 4 5 Figure 4 5 Battery assembly connectors 9 Move the whole assembly from the three small tabs and insert the three large tabs on the plastic AC power supply cover into the three slots on the battery assembly deck shown in Figure 4 6 10 Press the opposite side of the battery assembly down until the two tabs on the battery assembly deck rest in the the cutouts of t...

Page 212: ...assembly held by three small tabs 11 Install the supplied TORX T20 screws and lockwashers 2 each through the provided chassis holes into the imbedded nuts in the battery deck and secure 12 Re install the cover by performing the cover removal procedure Preliminary Steps 1 through 4 in reverse 3 Tabs Cutouts ...

Page 213: ...e position and pull outward on the two side arms Item Keysight part no Qty RF input cable 53200 61611 2 Cable clamp 1400 0116 4 Lock washer 2190 0699 2 Hex Nut 2940 0256 2 NOTE Each single channel uses half of the listed quantities NOTE Before proceeding with the installation follow all the ESD steps as outlined in the section titled Do This first under the Introduction at the beginning of Chapter...

Page 214: ...side Lay the assembly on its back to the right side of the chassis and place the three small tabs on the back side of the three large tabs into the three slots on the assembly deck Disconnect the two cables going to the assembly 6 If installed move the Option 106 115 channel 2 assembly 53210A or channel 3 assembly 53220A 53230A out of the way as follows refer to the figures in Chapter 3 To Remove ...

Page 215: ...l 2 connects to J201 on the motherboard If both channels 1 and 2 are being installed the cables will cross between the rear panel and the motherboard Figure 4 7 Option 201 rear input channels 1 and 2 4 If it was necessary to move an installed Option 106 115 assembly re install it now The Option 201 cables will go over the top of the Option 106 115 assembly but under the Option 300 assembly if thes...

Page 216: ...ry repeat steps 2 through 7 for Channel 2 9 Install the supplied cable clamp s as shown in Figure 4 7 10 If the Option 300 Internal Battery was removed at the beginning of this procedure re install it now Be sure to re connect the cables 11 Re install the cover by performing the cover removal procedure Preliminary Steps 1 4 in reverse NOTE When Option 201 is installed Channels 1 and 2 rear panel B...

Page 217: ...106 53200 66505 1 15 0 GHz assembly Option 115 53200 66506 1 Ribbon cable 40 pin 53200 61605 1 Labels 6 GHz 53200 84301 2 Labels 15 GHz 53200 84302 2 Standoff Option 115 only 0380 5091 2 Bracket aluminum 53200 00603 1 TORX 10 screws 0515 0430 4 Screws flathead 0515 1946 2 Screw Option 115 only 0515 3131 12 Item Keysight part no Qty Type N to SMA Connector Adapter E4418 20009 1 RF cable front SMA s...

Page 218: ...n 300 assembly to the left hand side panel as viewed from the rear of the instrument Lift up carefully on the left side of the assembly and separate the assembly from the three large tabs holding it on the right side Lay the assembly on its back to the right side of the chassis and place the three small tabs on the back side of the three large tabs into the three slots on the assembly deck Disconn...

Page 219: ...e rear flange of the Channel 2 assembly Front Panel Option 202 only Position the PC board over the aluminum bracket so that the SMA edge connector is pointed toward the front flange without the hole and sits on top of the standoffs Install 4 Option 106 or 6 Option 115 T10 TORX screws to secure the PC board to the aluminum deck Figure 4 8 53210A channel 2 front panel Option 106 202 NOTE Refer as ne...

Page 220: ...lot above the small plastic standoff inside the slot to hold the board horizontal Press the two tabs securing the edge connector of the processor board to release the board 4 Remove the processor board carefully from its connector and set it aside in a safe location on the ESD mat NOTE Read each instruction step in its entirety while examining the hardware and referring to the appropriate figure s...

Page 221: ...4 10 at the top left front of the front panel while at the same time use your left hand to press in on the front of the left hand aluminum chassis side panel so that the front of the side panel overlaps the depressed tab and keeps it depressed The left front standoffs should now be free of their holes NOTE The four standoffs on the aluminum side panels two on each side front secure the front panel...

Page 222: ...typeN connector is on the front side of the front panel 11 On the back side of the connector adapter place the washer plate and the 14mm hex nut over the SMA connector and secure See Figure 4 11 12 Make sure the word LIFT is visible on the washer plate and that the LIFT tab on the washer plate is not underneath the hex nut Figure 4 11 Connector adapter installation 13 Pull up slightly on the LIFT ...

Page 223: ...e edge connector on the front panel and carefully press the front panel onto the motherboard Semi Rigid Cable Front Flange NOTE Carefully guide the semi rigid cable into the chassis through the opening provided while installing the front panel onto the motherboard NOTE The four standoffs on the aluminum side panels two on each side must lock into the four holes cut out on the plastic sides of the ...

Page 224: ... or 115 Channel 2 assembly as follows 20 Remove the T20 TORX screw at the rear of the motherboard 21 Connect one end of the supplied 40 pin ribbon cable to J900 on the motherboard Connect the other end to J401 on the underside of the Channel 2 assembly 22 Set the Channel 2 assembly down on top of the motherboard so that the female SMA edge connector is near the male SMA connector of the semi rigid...

Page 225: ...the two SMA connectors at each end of the semi rigid cable Do not overtighten 26 Install the two supplied flathead screws through the holes in the left hand aluminum side panel into the embedded nuts on the bracket of the Channel 2 assembly 27 Tighten the T20 TORX screw step 23 above Front Flange Option 106 or 115 NOTE Be sure the flange on the front of the Channel 2 assembly remains positioned ov...

Page 226: ...ously re install the Option 300 Internal Battery Assembly Be sure to re connect the cables 29 Re install the cover by performing the cover removal procedure Preliminary Steps 1 4 in reverse 30 Attach the supplied Option 106 or 115 label alongside the front panel type N connector in the depression provided ...

Page 227: ...tion 115 53200 66506 1 Ribbon cable 40 pin 53200 61605 1 Labels 6 GHz 53200 84301 2 Labels 15 GHz 53200 84302 2 Standoff Option 115 only 0380 5091 2 Bracket aluminum 53200 00603 1 TORX 10 screws 0515 0430 4 Screws flathead 0515 1946 2 Screw Option 115 only 0515 3131 12 Item Keysight part no Qty RF Cable rear SMA semi rigid 53200 61606 1 Retainer 53200 40002 1 Hole plug 53200 40001 1 Screw self tap...

Page 228: ...n 300 assembly to the left hand side panel as viewed from the rear of the instrument Lift up carefully on the left side of the assembly and separate the assembly from the three large tabs holding it on the right side Lay the assembly on its back to the right side of the chassis and place the three small tabs on the back side of the three large tabs into the three slots on the assembly deck Refer t...

Page 229: ...lange of the Channel 2 assembly Rear Panel Option 203 only Position the printed circuit board over the aluminum bracket so that the SMA edge connector is pointed toward the rear flange with the hole in it and sits on top of the standoffs Install 4 Option 106 or 6 Option 115 T10 TORX screws to secure the printed circuit board to the aluminum deck Figure 4 14 53210A channel 2 rear panel Option 106 2...

Page 230: ...board so that the SMA edge connector is towards the rear panel The front flange on the right front of the Channel 2 assembly bracket must rest on the tab protruding from the front panel see Figure 4 15 Figure 4 15 Channel 2 assembly installed on top of the motherboard with the SMA edge connector pointing toward the rear of the counter 5 Re install the T20 TORX screw removed in step 2 above securin...

Page 231: ...embly SMA edge connector connect them together and tighten the SMA cable connector using a 5 16 wrench Secure the rear panel SMA connector with the supplied 5 16 hex nut and lockwasher Do not overtighten 8 If removed previously re install the Option 300 Internal Battery Assembly Be sure to re connect the cables 9 Re install the cover by performing the cover removal procedure Preliminary Steps 1 4 ...

Page 232: ...x nut 2950 0132 1 Hole plug 6960 0076 1 6 0 GHz Assembly Option 106 53200 66505 1 15 0 GHz assembly Option 115 53200 66506 1 RF cable front SMA semi rigid 53200 61604 1 Ribbon cable 40 pin 53200 61605 1 Labels 6 GHz 53200 84301 2 Labels 15 GHz 53200 84302 2 Standoff Option 115 only 0380 5091 2 Bracket aluminum 53200 00603 1 TORX 10 screws 0515 0430 4 Screws flathead 0515 1946 2 Screw Option 115 on...

Page 233: ...s needed Remove the two T20 TORX screws and lockwashers holding the Option 300 assembly to the left hand side panel as viewed from the rear of the instrument Lift up carefully on the left side of the assembly and remove the assembly from the three large tabs holding it on the right side Lay the assembly on its back to the right side of the chassis and place the three small tabs on the back side of...

Page 234: ...oles closest to the rear flange of the Channel 2 assembly Front Panel Option 202 only Position the PC board over the aluminum bracket so that the SMA edge connector is pointed toward the front flange without the hole and sits on top of the standoffs Install 4 Option 106 or 6 Option 115 T10 TORX screws to secure the PC board to the aluminum deck Figure 4 16 53220A 53230A Option 106 202 NOTE Refer a...

Page 235: ...rocessor printed circuit board NOTE Read each instruction step in its entirety while examining the hardware and referring to the appropriate figure s before proceeding with the step This will acquaint you completely in advance with the action to be performed The actions in some steps must be accomplished simultaneously to succeed Read all nearby NOTES carefully P500 PROCESSOR MOTHERBOARD T10 TORX ...

Page 236: ...e board 4 Remove the processor board carefully from its connector and set it aside in a safe location on the ESD mat 5 Turn the counter chassis upright and position the counter as shown in Figure 4 18 6 Remove the T20 TORX screw on the front left hand side of the motherboard as shown in Figure 4 18 Figure 4 18 T20 TORX screw on motherboard X T20 TORX Screw Motherboard Y ...

Page 237: ...way from the motherboard to release the edge connector and free the front panel completely 10 Insert the typeN to SMA connector adapter into the Channel 3 hole on the front panel remove the hole plug if necessary so that the typeN connector is on the front side of the front panel 11 On the back side of the connector adapter place the washer plate and the 14mm hex nut over the SMA connector and sec...

Page 238: ... the tab blocks the hex nut from coming unscrewed after installation 13 Connect the supplied semi rigid cable to the SMA connector on the connector adapter Finger tighten the connector so that the cable is positioned to connect to the Channel 3 assembly as shown in Figure 4 16 and Figure 4 20 Do not tighten the nut with a wrench yet LIFT TAB CONNECTOR ADAPTER 14mm HEX NUT WASHER PLATE ...

Page 239: ...otherboard with the edge connector on the front panel and carefully press the front panel onto the motherboard Semi Rigid Cable Front Flange NOTE Carefully guide the semi rigid cable into the chassis while installing the front panel onto the motherboard NOTE The four standoffs on the aluminum side panels two on each side must lock into the four holes cut out on the sides of the front panel two on ...

Page 240: ...upright Install the Channel 3 assembly as follows 22 Remove the T20 TORX screw at the rear of the motherboard 23 Connect one end of the supplied 40 pin ribbon cable to J900 on the motherboard Connect the other end to J401 on the underside of the Channel 3 circuit board 24 Set the Channel 3 assembly down on top of the motherboard so that the female SMA edge connector is near the male SMA connector ...

Page 241: ... of the Channel 3 assembly 30 If removed in Preliminary Step 5 re install the Option 300 Internal Battery Assembly Be sure to re connect the cables 31 Re install the cover by performing the cover removal procedure in the Preliminary Steps above in reverse 32 Install the supplied Option 106 or 115 label alongside the front panel Type N connector in the area provided NOTE Be sure the flange on the f...

Page 242: ... 1 Self tapping screw 0515 5220 1 6 0 GHz PCB assembly Option 106 53200 66505 1 15 0 GHz PCB assembly Option 115 53200 66506 1 16 GHz shield Option 115 only 53200 00606 1 Ribbon cable 40 pin 53200 61605 1 Labels 6 GHz 53200 84301 2 Labels 15 GHz 53200 84302 2 Standoff Option 115 only 0380 5091 2 Bracket aluminum 53200 00603 1 TORX 10 screws 0515 0430 4 Screws flathead 0515 1946 2 Screw Option 115 ...

Page 243: ...eeded Remove the two T20 TORX screws and lockwashers holding the Option 300 assembly to the left hand side panel as viewed from the rear of the instrument Lift up carefully on the left side of the assembly and remove the assembly from the three large tabs holding it on the right side Lay the assembly on its back to the right side of the chassis and place the three small tabs on the back side of th...

Page 244: ... to the front flange of the Channel 2 assembly Rear Panel Option 203 only Position the printed circuit board over the aluminum bracket so that the SMA edge connector is pointed toward the rear flange with the hole and sits on top of the standoffs Install 4 Option 106 or 6 Option 115 T10 TORX screws to secure the PC board to the aluminum deck Figure 4 21 53220A 53230A rear panel option 106 203 NOTE...

Page 245: ...ange on the right front of the Channel 3 assembly bracket must rest on the tab protruding from the front panel see Figure 4 22 Figure 4 22 Channel 3 assembly installed on top of the motherboard with the female SMA edge connector pointing toward the rear 5 Install the supplied SMA semi rigid cable as follows 6 Insert the end of the semi rigid cable with the female SMA connector through the hole on ...

Page 246: ...dded nuts on the aluminum bracket of the Channel 3 assembly 10 If removed previously re install the internal battery assembly Be sure to re connect the cables 11 Re install the cover by performing the cover removal procedure Preliminary Steps 1 4 in reverse 12 Install the supplied Option 106 or 115 label above the rear panel SMA connector in the location provided NOTE If necessary loosen the hex n...

Page 247: ...n internal firmware upgrade to the 53230A There are no parts associated with this option However this option requires that the 53230A has either Channel 3 Option 106 6 0 GHz or Option 115 15 0 GHz installed NOTE Option 150 may be obtained by ordering 53230U 150 from your nearest Keysight Technologies Sales Office Refer to the list of Sales and Service offices in the Appendix for the sales office n...

Page 248: ...4 Retrofitting Options 248 Keysight 53210A 53220A 53230A Assembly Level Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 249: ...210A 53220A 53230A 350 MHz Universal Frequency Counter Timer Assembly Level Service Guide 249 5 Replaceable Parts Introduction 250 Contacting Keysight Technologies 251 How To Order A Part 252 Replaceable Parts 254 ...

Page 250: ...tion for ordering parts Table 5 1 lists all replaceable assemblies and parts for the Keysight 53210A 53220A 53230A Counters Figure 5 1 and Figure 5 2 show the locations of the replaceable assemblies This chapter contains the following sections Introduction Contacting Keysight Technologies How to order a part Replaceable parts ...

Page 251: ...ephone numbers or address listed below You can also contact your local Keysight Technologies Sales and Service office as shown in the preface of this guide By telephone in the United States For parts ordering use our toll free number 800 227 8164 Monday through Friday except Holidays 6 a m to 5 p m Pacific Time If you need a part in a hurry an extra cost Hotline phone ordering service is available...

Page 252: ...ps 1 Identify the part and the quantity you want 2 Determine the ordering method to be used and contact Keysight Technologies Parts Identification To identify the part s you want first refer to Figure 5 1 and Figure 5 2 at the back of this chapter Use Table 5 1 to obtain the part number When ordering from Keysight Technologies the important numbers to note from the Parts List are the Keysight Part...

Page 253: ...lease have the following information at hand when you contact Keysight Technologies for help Counter model number example Keysight 53230A Part number Description of the part and its use Quantity of the part required Complete instrument serial number example MY50000125 The serial number for your counter may be found on a label attached to the counter or by turning the instrument on and pressing the...

Page 254: ...art Customer order number Table 5 1 Table of replaceable parts Model number or option number Keysight part number Qty Description Customer order number ELECTRONIC ASSEMBLIES KEYSIGHT 53210A 53210 66101 1 MOTHERBOARD STANDARD TIMEBASE 53210 66101 53210 66102 1 MOTHERBOARD HIGH STABILITY TIMEBASE 53210 66102 KEYSIGHT 53220A 53220 66101 1 MOTHERBOARD STANDARD TIMEBASE 53220 66101 53220 66102 1 MOTHER...

Page 255: ... CABLE 53200U 203 OPTION 300 53200 66507 1 INTERNAL BATTERY PC BOARD OPTION 300 P O 53200 80003 53200 61602 1 INTERNAL BATTERY Y CABLE P O 53200 80003 53200 61603 1 INTERNAL BATTERY RIBBON CABLE P O 53200 80003 1420 0909 1 INTERNAL BATTERY 1420 0909 0950 2496 1 AC POWER SUPPLY PLASTIC COVER P O 53200 80002 53200U 400 1 GPIB KIT 53200U 400 CHASSIS PARTS 34401 86020 1 BUMPER KIT 34401 86020 34401 45...

Page 256: ...send the counter to Keysight for repair 1253 4669 1 LAN CONNECTOR 1253 4669 53200 61608 1 LINE FILTER 53200 61608 1250 3569 1 or 2 FRONT PANEL BNCs 1250 3569 53200 80004 1 OPTIONAL CHANNEL FRONT PANEL CONNECTOR 53200 80004 1420 0356 1 RTC BATTERY FRONT PANEL CR2032 1420 0356 33250 68501 1 FAN 33250 68501 KEYSIGHT 53210A 53210 80001 1 FRONT PANEL 53210A 53210 80001 KEYSIGHT 53220A 53220 80001 1 FRO...

Page 257: ...ts 5 Keysight 53210A 53220A 53230A Assembly Level Service Guide 257 Figure 5 1 Keysight 53210A 53220A 53230A Counters top view cover off AC POWER SUPPLY MOTHERBOARD GPIB OPTION 106 OR OPTION 115 FRONT PANEL FRONT REAR ...

Page 258: ...evel Service Guide Figure 5 2 Keysight 53210A 53220A 53230A Counters bottom view cover off NOTE If installed Option 300 Internal DC Battery Assembly not shown would cover the area between the arrows FRONT REAR MOTHERBOARD PROCESSOR BOARD AC POWER SUPPLY FRONT PANEL ...

Page 259: ...0A 350 MHz Universal Frequency Counter Timer Assembly Level Service Guide 259 6 Backdating Introduction 260 Backdating Firmware 262 Procedure Changes 264 Backdating Hardware 271 Backdating Specifications 272 Service guide changes ...

Page 260: ... also Figure 6 1 NOTE The serial number prefix for your counter is the first 5 character positions in the serial number shown on the counter for example MY50000125 The counter serial number suffix for example MY50000125 is the production number of the counter The whole number MY50000125 is the actual serial number of the counter See Figure 6 1 Table 6 1 Instruments this guide directly applies to I...

Page 261: ... in Table 6 1 The service guides for these instruments may be supplied on an updated CD ROM containing the required service information Use the procedures on the updated CD ROM that came with your counter If you have any questions about your Keysight 53210A 53220A 53230A Counter contact the nearest Keysight Technologies Sales and Support Office as shown in the front of this guide ...

Page 262: ...in your counter Then contact Keysight Technologies to see if you have the latest version Verify the firmware for your counter as follows To determine the counter firmware version 1 Press the Help key then the About softkey An information screen Figure 6 1 is displayed that contains the following items Keysight model number Instrument serial number IP and GPIB addresses Counter firmware version For...

Page 263: ...umber before the first dash of the firmware version then refer to Procedure Changes on page 264 for information on calibration and or performance test procedures that apply to your counter NOTE If Option 106 Microwave Input is installed in your counter and the FW Rev is 27 0 refer to Procedure Changes on page 264 for information concerning the calibration procedure for your counter ...

Page 264: ...l 3 in a 53220A or 53230A Refer to To determine the counter firmware version on page 170 1 First run the counter self test as described under Performing the counter self test in the Chapter 2 Troubleshooting the Counter section A successful self test procedure verifies that the counter is operational and ready for calibration 2 Unlock the counter by performing the procedure To unlock the counter f...

Page 265: ...Backdating 6 Keysight 53210A 53220A 53230A Assembly Level Service Guide 265 Figure 6 2 Microwave source connection to channel 3 6 Press the Utility key Display softkey annunciators show Microwave Source ...

Page 266: ...alibration string This string is operator modifiable used to record such information as the date of the last calibration or by whom it was performed The Calibration String can not be entered from the front panel keys It can only be entered updated using the remote SCPI command CALibration STRing Refer to the Keysight 53210A 53220A 53230A SCPI Programmer s Reference for details of the command forma...

Page 267: ...anel knob and left right arrow keys to enter the value as 500 MHz in the data entry area to agree with your source 14 Press the Input Power softkey and enter the power level of the 500 MHz source as 27 dBm Must be 27 dBm 0 5 dB at the input connector If necessary verify with a power meter NOTE Alternatively you may use the Shift key on the front panel to put the keyboard keys into a numeric mode a...

Page 268: ...alibration step PASSES after a few seconds the counter momentarily displays Calibration step succeeded The internal calibration constants are updated The Cal Count on the screen will increment If either calibration step FAILS after a few seconds the counter displays Calibration step failed 17 If the calibration fails Calibration step failed first verify the input frequency and power are correct an...

Page 269: ...annel calibration Utility Cal AutoCal Perform Cal Cal Step uWave enter Input Freq frequency Utility Cal AutoCal Perform Cal Cal Step uWave enter Input Power power Perform Cal Step Summary of Option 106 remote microwave calibration Set timeout for PC to be greater than 20 seconds Connect calibration source to channel 2 53210A or channel 3 53220A 53230A at 500 MHz 27 dBm for Option 106 Unlock securi...

Page 270: ...0 MHz repeat the calibration sequence for 1000 MHz at 27 dBm as follows For the 53220A or 53230A Counters send the command to calibrate as CALibration LEVel3 1E9 27 For the 53210A Counter send the command to calibrate as CALibration LEVel2 1E9 27 Retrieve query result 0 indicates the calibration PASSED Any value other than 0 indicates calibration FAILED If non zero value for either calibration poi...

Page 271: ...Backdating 6 Keysight 53210A 53220A 53230A Assembly Level Service Guide 271 Backdating Hardware NOTE There are no hardware changes to the Keysight 53210A 53220 53230A Counters at this time ...

Page 272: ...6 Backdating 272 Keysight 53210A 53220A 53230A Assembly Level Service Guide Backdating Specifications NOTE There are no specification changes to the Keysight 53210A 53220 53230A Counters at this time ...

Page 273: ...ion is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2011 2018 Edition 8 March 2018 Printed in Malaysia 53220 90010 53220 90010 www keysight com ...

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