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HP 8517B S-Parameter Test Set Manual

7-27

HP 8517B Replaceable Parts

Table 7-14

Parts Unique to HP 8517B Option 001 Test Set

Ref Des

HP Part Number

Quantity

Description

08513-60004

Board Assembly, IF Multiplexer (NEW)

08513-69004

Board Assembly, IF Multiplexer (R-E)

Cable Assemblies Unique to Option 001

08513-60125

Cable Assembly, A2J2 to J11A1

08513-60126

Cable Assembly, A2J8 to J11A4

08513-60127

Cable Assembly, A2J5 to J11A2

08513-60128

Cable Assembly, A2J11 to J11A3

08513-60129

Cable Assembly, A2J3 to J10A1

Summary of Contents for 8517B

Page 1: ...HP 8517B S Parameter Test Set Operating and Service Manual Printed in USA 12 August 1998 HP part number 08517 90054 ...

Page 2: ...furnished by Hewlett Packard This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without prior written consent of Hewlett Packard Company Restricted Rights Legend Use duplication or disclosure by the U S Government is subject to restrictions as set forth in su...

Page 3: ... This Manual HP 8517B S Parameter Test Set Chapters 1 and 2 Test set description and installation information Chapters 3 and 4 Principles of operation and specifications Chapters 5 6 and 7 Troubleshooting replacement procedures and replaceable parts information ...

Page 4: ...y upon HP s prior agreement and Buyer shall pay HP s round trip travel expenses In all other areas products must be returned to a service facility designated by HP For products returned to HP for warranty service Buyer shall prepay shipping charges to HP and HP shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products retur...

Page 5: ...SED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY Assistance Product maintenance agreements and other customer assistance agreements are available for Hewlett Packard products For assistance call your local Hewlett Packard Sales and Service Office refer to Service and Support ...

Page 6: ... Spectrum Way Mississauga Ontario L4W 5G1 905 206 4725 Europe Hewlett Packard European Marketing Centre Postbox 999 1180 AZ Amstelveen The Netherlands 31 20 547 9900 Japan Hewlett Packard Ltd Measurement Assistance Center 9 1 Takakura Cho Hachioji Shi Tokyo 192 Japan 81 426 56 7832 81 426 56 7840 FAX Latin America Hewlett Packard Latin American Region Headquarters 5200 Blue Lagoon Drive 9th Floor ...

Page 7: ...to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met Instrument Markings When you see this symbol on your instrument you should refer to the instrument s instruction manual for important information This symbol indicates hazardous voltages The laser radiation symbol is marked on products that have a laser output...

Page 8: ...ed power cord set Whenever it is likely that the protection has been impaired the product must be made inoperative and secured against any unintended operation Before Applying Power Verify that the product is configured to match the available main power source as described in the input power configuration instructions in this manual If this product is to be powered by auto transformer make sure th...

Page 9: ...p Used for labeled keys on the front panel of an instrument or on a computer keyboard Press Return Softkey Used for simulated keys that appear on an instrument display Press Prior Menu User Entry Used to indicate text that you will enter using the computer keyboard text shown in this typeface must be typed exactly as printed Type LOAD PARMFILE Used for examples of programming code endif ifndef NO_...

Page 10: ...x HP 8517B S Parameter Test Set Manual ...

Page 11: ...Set Block Diagram 1 3 HP 8517B Test Set Options 1 4 Table 1 1 HP 8517B Options and Descriptions 1 4 Verifying Test Set Operation 1 5 Table 1 2 Test Set Operation Verification 1 5 Checking System Operation 1 5 Checking Specifications 1 5 Troubleshooting the Test Set 1 5 Maintaining Measurement Accuracy 1 6 Instruments Supported by This Manual 1 7 Figure 1 4 Instrument Serial Number Label Example 1 ...

Page 12: ...Operating the HP 8517B Test Set Front Panel Features 3 1 Figure 3 1 Front Panel Features of the HP 8517B Test Set 3 1 Table 3 1 Front Panel Description 3 1 Rear Panel Features 3 2 Figure 3 2 Rear Panel Features of the HP 8517B Test Set 3 2 Table 3 2 Rear Panel Descriptions 3 2 Controlling Multiple Test Sets 3 3 Figure 3 3 RF and IF Switching with Two Test Sets 3 4 Table 3 3 RF and IF Switch Settin...

Page 13: ...lock Diagram 5 2 The RF Source Power 5 2 The Reference Signal Path 5 3 The Test Signal Path 5 3 The S11 and S21 Measurements 5 3 The Sampler Control Switching 5 3 The LO Signal Control 5 4 Troubleshooting Sequence 5 5 Figure 5 2 Troubleshooting Flowchart 5 5 Equipment Needed But Not Supplied 5 6 Table 5 1 Equipment Required But Not Supplied 5 6 Troubleshooting Procedures 5 7 Table 5 2 Power Supply...

Page 14: ... Safe Workstation Configuration 6 2 Performance Tests 6 2 Adjustments 6 2 Equipment Needed But Not Supplied 6 3 Table 6 1 Replacement Procedure Tools Needed 6 3 Figure 6 2 HP 8517B Major Assembly Location Diagram 6 4 Assembly Replacement Procedures 6 5 Initial Precautions 6 5 Switch Splitter Replacement 6 5 A18 Switch Splitter Assembly 6 5 Frequency Converter Replacement 6 5 A14 A10 to A13 Frequen...

Page 15: ...ow Cost Rebuilt Exchange Procedure 7 13 Table 7 6 Major Assembly Reference Designator and Parts Information 7 14 Figure 7 3 Major Assembly Locations in the Standard HP 8517B Test Set 7 15 Table 7 7 Semi Rigid Cable Assemblies in the Standard HP 8517B Test Set 7 16 Table 7 8 Flexible Cable Assemblies in the Standard HP 8517B Test Set 7 17 Table 7 9 Miscellaneous Parts Front Panel HP 8517B Test Set ...

Page 16: ...Contents 6 HP 8517B S Parameter Test Set Manual ...

Page 17: ...ual into the HP 8510C Test Sets and Accessories binder behind the tab labeled Test Sets Step 3 Review the Connector Care Quick Reference Card HP part number 08510 90360 supplied with the HP 8510C manuals set Refer to the calibration kit documentation for complete information about care cleaning gaging and connecting precision devices Knowledge and application of proper connector care is essential ...

Page 18: ...he DUT device under test The system is also designed for making measurements on non reciprocal devices or components like transistors amplifiers or isolators where S12 measurements are required Two directional couplers are used for signal separation The configuration is illustrated in the following figures Figure 1 1 Standard HP 8517B Test Set Block Diagram Figure 1 2 Option 004 HP 8517B Test Set ...

Page 19: ...HP 8517B S Parameter Test Set Manual 1 3 Getting Started Test Set Description Figure 1 2 Option 004 HP 8517B Test Set Block Diagram Figure 1 3 Option 007 HP 8517B Test Set Block Diagram ...

Page 20: ...nuator in front of the b2 sampler allowing devices with output power up to 30 dBm 1 W to be measured Adds a 3 dB attenuator which protects the switch splitter from high power into Port 2 Option 007 Adds five amplifiers two 10 dB attenuators two 6 dB attenuators and two tapered attenuators These components increase the available power and dynamic range of the test set Option 908 Supplies the hardwa...

Page 21: ...perly Checking Specifications Specifications for the test set and the system can be determined by running the specification and performance verification software described in the HP 8510C On Site Service Manual Chapter 8 Specification and Performance Verification Additional mechanical specifications and supplemental characteristics are in Chapter 4 Specifications of this manual Troubleshooting the...

Page 22: ...etween a calibration and a device measurement the more precise the measurement results will be within the limitations of your system Hewlett Packard recommends calibrating your system every few hours or at least re verifying your system s calibration this frequently Doing so helps retain measurement precision The frequency of calibrations is determined by both the location of the system and the am...

Page 23: ...llowing descriptions The prefix includes the first four digits of the serial number plus the letter The contents of this manual apply directly to test sets with the same serial number prefix as the one s on the title page The suffix includes the last five digits of the serial number which is sequential and unique to each test set You will need this part of the number to report test set problems to...

Page 24: ...formation These offices are listed in Service and Support on page vi at the front of this manual Table 1 3 Source Firmware Revision Compatibility Matrix Instrument Model Number and Name Compatible With Model Firmware Revision Compatible With HP 8340 Series Sources Compatible With HP 8350 Series Sources HP 8517B Test Set HP 8510B Network Analyzer HP 8510C Network Analyzer B 06 00 and higher C 06 00...

Page 25: ... repair coverage warranty to the instrument Customers may return the instrument to HP within that three year period for repair Option W31 Adds a three year on site repair coverage warranty for next day on site repair of the instrument Customers may return the instrument to HP within that three year period for repair and get next day service on their instrument Option 1BN Adds to the instrument a M...

Page 26: ...33D 2 4 mm Test Port Return Cable Set Used when measuring a 2 4 mm ported device connected between the cable ends HP 85133E 2 4 mm Flexible Test Port Return Cable Used when measuring a 2 4 mm ported device connected directly to Port 1 of the test set The test port return cable is connected between the device under test and Port 2 HP 85133F 2 4 mm Flexible Test Port Return Cable Set Used when measu...

Page 27: ... special 2 4 mm ports of the test set into a standard 2 4 mm connector interface m or f These adapters function as test port savers HP 11904S 2 4 mm to K 2 9 mm2 Adapter Kit Used to calibrate the test set using 2 4 mm devices then to change the test ports to 2 92 mm and perform fully error corrected measurements The kit contains 2 2 4 mm to 2 92 mm m adapters and 2 2 4 mm to 2 92 f adapters Test F...

Page 28: ...ed in the critical specifications column O Operation P Performance Test T Troubleshooting Table 1 6 Recommended Test Equipment Item Critical Specifications Recommended Model Use Network Analyzer no substitute HP 8510B or HP 8510C O P T Source no substitute HP 83651B O P T Controller no substitute HP 9000 Series 200 or 300 with 3 Mbyte RAM and HP BASIC 3 0 or higher or PCC 305 or PC 308 HP BASIC Co...

Page 29: ...nection at the test port connectors to more than 90 N cm 8 in lb The wrench supplied with your accessory kit is calibrated for 90 N cm 8 in lb torque Do not torque any connection to more than 90 N cm 8 in lb at the source RF input or on the back of your test set Safety Precautions The voltages inside this test set warrant normal caution for operator safety Nevertheless service should be performed ...

Page 30: ...1 14 HP 8517B S Parameter Test Set Manual Getting Started Operating and Safety Precautions ...

Page 31: ...tion environmental considerations test set location when using it with the HP 8510C network analyzer and making connections to the test set Refer to Installation in the HP 8510C On Site Service Manual for complete system connection and turn on instructions Refer to Packaging the Test Set for information about shipping the instrument ...

Page 32: ...ice can arrange for repair or replacement of the test set without waiting for the claim settlement Operating Environment For the HP 8517B to operate within specifications the ambient temperature must remain between 0 C and 55 C Keep relative humidity to less than 95 at 40 C dry bulb temperature maximum The instrument can be operated at altitudes up to 4 500 meters 15 000 feet Storing the Test Set ...

Page 33: ...ap when calibrating or verifying the test set or while using the test set to measure devices Never touch test port center conductors Use a wrist strap when connecting the extended center conductor of a sliding load termination Table 2 1 Accessories in Figure 2 1 1 Power Cord U S A only 6 Female 2 4 mm to Female 2 4 mm Adapter 2 Test Set Interconnect Cable 7 20 mm 98 N cm 8 in lb Torque Wrench 3 HP...

Page 34: ...al and to the HP 85043C System Rack Manual Installing the Test Set on a Bench When installing the test set for use on a bench place it on a grounded anti static work surface to reduce the chance of ESD damage The antistatic surface should extend far enough in front of the test set to provide effective protection for the test ports and cable ends See Figure 2 2 A grounding receptacle is provided on...

Page 35: ...g the Test Set in a System Configuring the Test Set in a System Figure 2 3 illustrates the cable connections for installing an HP 8517B in a system Refer to the information that follows to install the test set Figure 2 3 Configuring an HP 8517B Test Set in a System ...

Page 36: ...17B J12 HP 8510 SYSTEM BUS connector to HP 8510C INTERCONNECT on the HP 85101 display processor The test set IF interconnect cable and the system bus cable transmit control signals between the test set and the network analyzer Signal Path Connections The IF interconnect cable transmits IF signals from the test set to the HP 85102 IF detector Attach one end of the 2 4 mm RF cable item 9 or 10 Figur...

Page 37: ...al shipment by the factory are available through Hewlett Packard Sales and Service Offices However commercially available comparable packaging materials may be used also 1 Wrap the test set in heavy paper or anti static plastic 2 If you are shipping the test set to an HP Sales or Service office complete and attach a service tag located in the HP 8510C manual set 3 Use sufficient shock absorbing ma...

Page 38: ...2 8 HP 8517B S Parameter Test Set Manual Installation Packaging the Test Set ...

Page 39: ... test set line switch is ON and not lit when the test set line switch is OFF 3 Active LED This LED lights about two seconds after power is turned on following the successful conclusion of the self test If the test set is used with other test sets Option 001 and is not addressed by the HP 8510C then this light remains off 4 Port 1 This test port transmits RF energy from the source to the DUT and re...

Page 40: ... values are printed on the rear panel 2 RF Input A 2 4 mm connector that receives RF energy from the source Connections made to this input must be torqued no more than 90 N cm 8 in lb 3 J10 Test Set Interconnect Used only in test sets with Option 001 It allows connecting another test set to the option 001 test set Up to four test sets can be serially connected to the analyzer The HP 8510C system a...

Page 41: ...o the HP 8510C Option 001 adds a set of IF switches control switches and the J10 TEST SET INTERCONNECT attachment This configuration allows the selection of the 20 MHz test set IF signal As shown in Figure 3 3 on page 3 4 test set number 1 can apply its IF signal to the HP 8510C or it can switch to pass the IF signal from test set number 2 through J10 TEST SET INTERCONNECT and into the HP 8510C 6 ...

Page 42: ...SS of Test Set 1 2 1 Not all system connections are illustrated 2 In dual source configurations the second source may be multiplexed in a similar manner If only one dual source test set is used the second source may be connected directly to the appropriate test set Test Set Number Selected Coaxial Switch Port Selected 20 Number 1 Port 1 21 Number 2 Port 2 ...

Page 43: ...is not incorporated into the system the RF input to the test set must be manually switched to the active test set Initialization at Power Up At power up configure the IF switches so that only one system test set is active To verify which test set is active use the following steps 1 Verify that all system test set LEDs are lit 2 View the network analyzer s test set address by pressing the INSTRUMEN...

Page 44: ...yzer keys a On the analyzer s front panel press the INSTRUMENT STATE LOCAL key then press TEST SET The test set s address appears on the display b Using the key pad enter the desired address for the test set then press x1 The new HP IB address appears on the display 2 Change the test set address via the HP IB command From the controller enter the HP IB ADDRESS command followed by the address value...

Page 45: ...onnections are shown 2 In dual source configurations the second source can be multiplexed in a similar manner 3 If only one dual source test set is used the second source can be directly connected to the appropriate test set Test Set Selected1 2 3 Coaxial Port Selected with Switch 1 Coaxial Port Selected with Switch 2 20 1 Port 1 Port 1 21 2 Port 1 Port 2 22 3 Port 2 Port 1 23 4 Port 2 Port 2 ...

Page 46: ...t can be turned on without displaying the HP 8510C caution messages However this causes errors in the data displayed because incorrect error coefficients are applied to the measured data For convenience store a hardware state file and an instrument state file for each combination of test set to cal set You may also store your hardware state file on a tape or disk for future use To change the confi...

Page 47: ...range S12 degrades by approximately 3 dB When measuring devices having greater than 17 dBm output power you must use the Port 2 step attenuator to decrease the power to 17 dBm The step attenuator has to be set during calibration for the value needed during device measurements However this setting may cause inadequate power level during calibration Refer to Changing Signal Path States After System ...

Page 48: ...e the signal level under both conditions thus minimizing uncertainty due to noise Many factors enter into a setup change decision for example is it more accurate to calibrate at a low signal level without changing the setup or is it more accurate to change the setup to optimize levels for both the calibration and measurement Changing attenuators at Port 1 or Port 2 does not change the test set mis...

Page 49: ... the user parameter levels then press PARAMETER S21 3 Press MENUS DISPLAY then DATA AND MEMORIES Press DISPLAY DATA MEMORY n to store the S21 trace in default trace memory 1 This trace represents the frequency response difference between the S21 signal path calibration and the measurement 4 Press PARAMETER S12 then press the following DISPLAY menu keys SELECT DEFAULTS DEFAULT to MEMORY 2 DATA MEMO...

Page 50: ...f the thru is connected the transmission coefficient should be 1 0 Normalization is turned OFF for S11 and S22 measurements Then the appropriate memory is selected and normalization is turned on to view S21 and S12 Since these are accurate repeatable attenuators this sequence may be effective in your application If other parts of the test must be changed especially components connected to the test...

Page 51: ...mber 1 should display 3 Store the trace in memory by pressing the following keys MENU DISPLAY DATA AND MEMORIES DATA MEMORY n DISPLAY DATA and MEMORY 4 Next enter the HP IB address of test set number 2 followed by x1 then re enter the address of test set number 1 followed by x1 5 Repeat the above procedure for each of the other test sets in the system Observe any difference in the response between...

Page 52: ...on of an Option 001 test set used as test set number 1 To verify the performance of a different test set in the configuration enter its HP IB address as explained in Making Operational Checks on page 3 13 to select it then continue with this procedure Refer to the HP 8510C On Site Service Manual for its performance verification procedure ...

Page 53: ...ation clamps included in the test set accessories box Attach the first clamp Remove one anti rotation clamp from the accessories box Loosen its thumb screw until it is nearly freed from the counter sink socket in the clamp body The clamp is shown as item 5 in Figure 2 1 Accessories Supplied with the HP 8517B Test Set 1 Gently push the clamp round hole end first over and past the RF cable connector...

Page 54: ...procedure Do not allow the cable to rotate Figure 3 5 Using a Torque Wrench Correctly Positioning the thumb screw See Figure 3 6 Position the clamp so the thumb screw is positioned at the top of the clamp Turn the clamp to visually align the clamp flats with the flats on the test port connector nut This positioning minimizes rotating the connector in the procedure step ...

Page 55: ...the test cable with one hand Use the other hand to press the clamp gently and steadily as you wiggle it into position straight over the RF connector and onto the test port connector nut NOTE Be sure to loosen the clamp when you are slipping it over the connector 2 Fit the internal flats in the clamp over the flats on the test port connector nut 3 Avoid rotating the clamp as you position it so the ...

Page 56: ...ter sink hole on the clamp s body 1 Push the clamp toward the test set front panel 2 Finger tighten the thumb screw The cable cannot be damaged if the thumb screw is tightened too tightly Figure 3 8 Aligning the Thumbscrew With the Counter Sink Hole Attaching the second clamp To complete the anti rotation clamp installation repeat the steps above beginning at step 1 to attach the second clamp ...

Page 57: ...HP 8517B S Parameter Test Set Manual 1 ...

Page 58: ...escription Specification Connector Type Precision rugged male test port connector 2 4 mm1 1 Precision rugged make test port connector Center Pin Recession2 2 Refer to the calibration kit manual to learn about measuring the pin depth 0 00254 mm to 0 0178 mm 0 0001 inches to 0 007 inches Table 4 2 HP 8510 HP 8517B Supplemental Characteristics Front Panel Test Ports Connector type precision 2 4 mm ma...

Page 59: ... Reference Channel Phase Lock Minimum power level 45 dBm Maximum power level 10 dBm to 20 dBm depending on frequency HP 8517B Power Requirements and Physical Characteristics Operating temperature range 0 C to 55 C Input Power AC 110 120 220 or 240 Vac 10 Line frequency from 47 to 66 Hz Dimensions 460 mm High 133 mm Wide 609 mm Deep 18 1 inches H 5 25 inches W 24 inches D Weight 15 kg 35 lb net 1 T...

Page 60: ...HP 8517B S Parameter Test Set Manual 4 4 Specifications ...

Page 61: ...identified the test set as the problem instrument Use the troubleshooting flowchart in Figure 5 2 to help isolate the faulty assembly Notice procedure numbers within some of the flow diagram blocks These are keyed to troubleshooting procedures Perform the numbered procedure associated with each block as you progress through the chart Refer to the block diagrams located at the end of this section t...

Page 62: ...power enters the test set through the rear panel The RF power is applied to the switch splitter A18 At the switch splitter the power is attenuated by approximately 7 to 14 dB depending upon frequency The switch splitter receives its control signals from the attenuator switch driver board A5 The switch part of the switch splitter which is a combination of two power splitters and a solid state switc...

Page 63: ...s dc level which is used to turn active devices on bias ON so their S parameters can be measured Beyond the bias tee the test signal travels to the directional coupler A6 At the coupler the incident RF power is applied to the device under test The S11 and S21 Measurements The signal reflected from the DUT is separated from the signal incident to the DUT by the Port 1 coupler A6 The reflected signa...

Page 64: ...0 and The HP 8510C Network Analyzer The VTO summing amp board A3 provides control voltages to tune the VTO to the correct LO frequency The VTO also has an output LENDRA Low END of RAnge which is routed via the test set interconnect cable to the HP 85102 The LENDRA provides an indication to the network analyzer about whether or not the VTO is operating within its normal frequency range If the VTO e...

Page 65: ...5 5 Troubleshooting the Test Set Troubleshooting Sequence Troubleshooting Sequence Use this troubleshooting flowchart along with the procedures in the following section to help isolate faulty assemblies Figure 5 2 Troubleshooting Flowchart ...

Page 66: ...ted in Table 5 1 to use for troubleshooting the test set these items are not supplied with the instrument at shipment Table 5 1 Equipment Required But Not Supplied Equipment Type HP Part Number 1 point Pozidriv screwdriver 8710 0899 2 point Pozidriv screwdriver 8710 0900 Service adapter 85105 60210 5 16 inch torque wrench 8710 1655 Oscilloscope HP 1740A ...

Page 67: ...Use a digital voltmeter to check the voltages and an oscilloscope to check for a maximum ripple level as listed in Table 5 2 A27 Post Regulator Board Assembly Option 007 Only Use a digital voltmeter to check the voltages and an oscilloscope to check for a maximum ripple level as listed in Table 5 3 Table 5 2 Power Supply Voltages to A15 Nominal Voltage Test Point Voltage Range Maximum Ripple Peak ...

Page 68: ...instrument It is easy to access but unnecessary to change unless the error message SYSTEM BUS ADDRESS ERROR appears on the system display To set the HP IB address switch position the switches as illustrated in Figure 5 4 the LSB is on the left hand side the MSB is on the right hand side The default setting is decimal twenty or binary 10100 as read from right to left on off on off off In the drawin...

Page 69: ... information in Figure 5 5 to replace the line fuse or to set the voltage selector cam Figure 5 5 Fuse and Voltage Cam Location Self Test Indicators If the front panel ACTIVE LED shown in Figure 5 6 fails to light within five seconds after turning the power on or if it lights immediately the instrument has failed self test To determine the portion of the self test that failed note which LEDs on A4...

Page 70: ...erly If the portion of memory holding the self test program is faulty the self test will not run properly If any of the following conditions occur it indicates that the A4 HP IB board is likely to be faulty All LEDs flash briefly then turn off All LEDs flash briefly and stay on The ACTIVE LED turns on too quickly after power on The ACTIVE LED does not turn on at all ...

Page 71: ...ubleshooting Procedures Figure 5 7 HP 8518B Test Set A4 Board Assembly LEDs Table 5 4 Instrument Self Test Indicator State Definitions Self Test Indication LSN TLK SRQ REM Time Following Power On PWON ON ON ON ON 0 to 0 5 seconds Start ROM Test OFF ON ON ON on briefly a flash ...

Page 72: ...r as shown in Figure 5 8 On the network analyzer press INSTRUMENT STATE PRESET MENUS MARKER STIMULUS MENU STEP PARAMETER MENU 2 Examine each user parameter by pressing the USER 1 a1 through USER 4 b1 softkeys to observe unratioed power level traces at each channel 3 The traces should be flat lines quite close to one another as indicated by the marker value typically about 28 dB 5 dB Pass ROM Test ...

Page 73: ...tions If all channels look good The HP 85102 is working properly The problem is most likely in the source or the test set Refer to Procedure 4 Unratioed Power Tests in this chapter If one or more channels look bad The problem is most likely in the HP 85102 Refer to the HP 8510C On Site Service Manual for information about troubleshooting the HP 85102 ...

Page 74: ...he RF component in the test set that is most likely the cause of a failure can be accomplished within four steps 1 Run the signal path tests on paths 1 through 6 using the procedures on the following pages 2 Record your test results in Table 5 6 for each path 3 Compare the results in Table 5 6 with those in Table 5 7 4 Investigate the most probable cause based on the information in Table 5 7 Testi...

Page 75: ...ONE Observe the resulting a2 IF trace on the display b Redefining to Port 2 sampler b2 press USER 2 b2 then REDEFINE PARAMETER DRIVE DRIVE PORT 2 PHASE LOCK a2 REDEFINE DONE Observe the resulting b2 IF trace on the display 4 Connect an open or short to Port 1 and Port 2 Power is reflected back to b1 and b2 samplers through the coupler To check each sampler trace press USER 1 a1 USER 2 b2 USER 3 a2...

Page 76: ...d resemble the examples in Figure 5 12 5 dB 3 Record your results in Figure 5 6 4 To observe the b2 power level trace through path 6 press PARAMETER MENU USER 2 b2 then REDEFINE PARAMETER DRIVE DRIVE PORT 1 PHASELOCK a1 REDEFINE DONE The b2 path signal is illustrated in Figure 5 12 Typically each trace should resemble the examples in Figure 5 12 5 dB 5 Record your results in Figure 5 6 NOTE Be sur...

Page 77: ...HP 8517B S Parameter Test Set Manual 5 17 Troubleshooting the Test Set Troubleshooting Procedures Figure 5 10 RF Path 1 and Path 2 HP 8517B Standard Test Set ...

Page 78: ...5 18 HP 8517B S Parameter Test Set Manual Troubleshooting the Test Set Troubleshooting Procedures Figure 5 11 RF Path 3 and Path 4 HP 8517B Standard Test Set ...

Page 79: ...HP 8517B S Parameter Test Set Manual 5 19 Troubleshooting the Test Set Troubleshooting Procedures Figure 5 12 RF Path 5 and Path 6 HP 8517B Standard Test Set ...

Page 80: ...ubleshooting Procedures HP 8517B Option 007 Unratioed Power Test Figure 5 13 through Figure 5 15 illustrate the signal path and trace display for the unratioed power tests on HP 8517B Option 007 model test sets Figure 5 13 RF Path 1 through Path 4 HP 8517B Option 007 Test Set ...

Page 81: ...HP 8517B S Parameter Test Set Manual 5 21 Troubleshooting the Test Set Troubleshooting Procedures Figure 5 14 RF Signal for Path 1 through Path 4 HP 8517B Option 007 ...

Page 82: ...5 22 HP 8517B S Parameter Test Set Manual Troubleshooting the Test Set Troubleshooting Procedures Figure 5 15 RF Path 5 and Path 6 HP 8517B Option 007 ...

Page 83: ...e is the b1 sampler Table 5 6 Test Results for Path 1 through Path 6 a1 Path1 a2 Path2 b1 Path 3 b2 Path 4 b1 thru Path5 b2 thru Path6 Table 5 7 Most Probable Failures B indicates Bad indicates Good Path Most Probable Failure a1 Path1 a2 Path2 b1 Path 3 b2 Path 4 b1 thru Path5 b2 thru Path6 Assembly or Description of Condition The HP 8517B test set is not the problem B B B B B B The source source ...

Page 84: ...5 24 HP 8517B S Parameter Test Set Manual Troubleshooting the Test Set Troubleshooting Procedures ...

Page 85: ...t Panel and Interface Board Assembly on page 6 10 10 A7 and A9 Bias Tees on page 6 11 11 A6 and A8 Test Port Couplers on page 6 11 12 A16 or A17 Port Attenuators on page 6 11 13 A22 Input Amplifier Assembly on page 6 12 14 A23 to A26 Buffer Amplifiers on page 6 12 15 A27 Post Regulator Board Assembly on page 6 13 CAUTION To prevent electrostatic discharge ESD damage earth ground the work area and ...

Page 86: ...On Site Service Manual Note that the HP 8510C performance test software shipped with the test set is required to test the test set The results generated during the HP 8517B performance test are based on its operation as part of the HP 8510C system The HP 8510C includes the test set cables calibration kit and so forth Adjustments The HP 8517B Test Set has no adjustments Specifically no attempt shou...

Page 87: ...ort connectors Part of HP 85056A Cal Kit anti static mat all components 9300 0797 wrist strap all components 9300 1257 clip lead C1 C4 capacitors any supplier needle nose pliers couplers any supplier wire cutters couplers B1 fan any supplier T 10 Torx screwdriver all components 8710 1623 T 15 Torx screwdriver all components 8710 1622 9 16 inch 50 in lb torque wrench test ports 8710 1948 9 16 inch ...

Page 88: ...6 4 HP 8517B S Parameter Test Set Manual HP 8517B Test Set Replacement Procedures Figure 6 2 HP 8517B Major Assembly Location Diagram ...

Page 89: ...splitter Reposition cables as required to ease removal 3 Remove the two fixed attenuators from the switch splitter note that there are three fixed attenuators in Option 007 and in Option 004 plus 007 4 Remove the two screws that attach the switch splitter to the bracket 5 Remove the switch splitter from the test set Frequency Converter Replacement A14 A10 to A13 Frequency Converter Assembly The fr...

Page 90: ...u may need to partially back out one of the transformer mounting screws for clearance Filter Capacitor Replacement C1 to C4 Filter Capacitors 1 With the test set in an upright position pull the metal and plastic cover off the 4 capacitors See Figure 6 2 for the location of the filter capacitors 2 Turn the test set over and remove the bottom cover 3 To discharge the capacitors do the following a At...

Page 91: ...st port connector components are located on page 7 16 4 Replace the test port connector nut and torque it to 562 N cm 50 in lb 5 Measure the pin depth of each port using a 2 4 mm female pin depth gage Refer to the connector care information in the calibration kit manual for more information about using the gage NOTE If the center pin protrudes or if the depth is less than 0 0001 inch remove the co...

Page 92: ...s J2 and J5 4 Unplug the transformer connector at J2 on the A15 regulator board 5 Using a large Pozidriv screwdriver remove the four screws and washers that hold the transformer onto the rear panel 6 Using a large Pozidriv screwdriver remove the screw that holds the transformer angle bracket to the main deck NOTE The transformer wires soldered to the line module are short so do not pull the transf...

Page 93: ...driver remove the four screws and washers that hold the transformer onto the rear panel 6 Using a large Pozidriv screwdriver remove the screw that holds the transformer angle bracket to the main deck NOTE The transformer wires soldered to the line module are short so do not pull the transformer out too far 7 Carefully remove the transformer from the test set and place it on the bench near the test...

Page 94: ... Front Panel and Interface Board Assembly 1 See Figure 6 2 for component locations 2 Remove the four semi rigid cables that connect to the coupler on the front panel 3 Remove the ten screws that secure the front panel assembly to the front frame 4 Grasp the test ports and pull the front panel assembly out tilting the top of the assembly toward you 5 Unplug the ribbon cable attached to the board as...

Page 95: ...or component locations 2 Remove the front panel assembly as described in the procedure A1 Front Panel and Interface Board Assembly 3 Remove the test port connector nut with a 1 inch wrench 4 Remove the test port washer 5 Remove the coupler from the front panel Test Port Attenuator Replacement A16 or A17 Port Attenuators NOTE This procedure does not apply to Option 002 or Option 002 plus 007 1 See ...

Page 96: ... A22 input amplifier and J7 rear panel RF input connector 4 Remove the two screws holding the switch splitter to the amplifier mount bracket 5 Remove the switch splitter from the amplifier mount bracket 6 Remove the four screws that secure the A22 input amplifier to the amplifier mount bracket Buffer Amplifier Replacement A23 to A26 Buffer Amplifiers NOTE This procedure is for Option 007 Option 00...

Page 97: ...fer Amplifiers 4 Remove the A18 switch splitter assembly refer to A18 Switch Splitter Assembly 5 Remove the A22 input amplifier refer to A22 Input Amplifier Assembly 6 Remove the four screws attaching the amplifier bracket to the test set 7 Flip the amplifier bracket over Note the A27 board assembly mounted to the underside of the bracket 8 De solder the two pins from the regulator to remove the A...

Page 98: ...6 14 HP 8517B S Parameter Test Set Manual HP 8517B Test Set Replacement Procedures Assembly Replacement Procedures ...

Page 99: ...e assemblies must be returned for credit Figure 7 2 illustrates the rebuilt exchange procedure The rest of the figures in this chapter provide parts information If you have any questions contact the HP Sales and Service office in your region Replaceable Parts List Use the illustrations in this chapter to help locate and identify HP 8517B replaceable parts Each illustration is accompanied by a repl...

Page 100: ... 8164 Monday through Friday 6 am to 5 pm Pacific Standard Time Hewlett Packard Parts specialists have direct on line access to replacement parts inventory corresponding to the replaceable parts list in this manual There is a charge for one day delivery service The standard delivery time is four days For after hours and holidays phone 415 968 2347 The fast service applies to United States customers...

Page 101: ...tor Triode Thyristor X Socket E Miscellaneous Electrical Part R Resistor Y Crystal Unit Piezoelectric Quartz RT Thermistor Z Tuned Cavity Tuned Circuit Table 7 1 Reference Designation Abbreviations Continued Table 7 2 Manufacturer Names and Addresses Manufacturer Code Manufacturer Name Manufacturer Address 00000 Any satisfactory supplier N A 00853 Sangamo Elec Co S Carolina Div Pickens SC 29671 24...

Page 102: ...ype of Connector BRG Bearing Boring BRS Brass BSC Basic BTN Button C C Capacitance Capacitor Cold Center Tapped Cermet Compression CCP Carbon Composition Plastic CD Cadmium Card Cord CER Ceramic CHAM Chamfer CHAR Character Characteristic Charcoal CMOS Complementary Metal Oxide Semi conductor CNDCT Conducting Conductive Conductivity Conductor CONT Contact Continuous Control Controller CONV Converte...

Page 103: ...ouble Throw DWL Dowel E E R E Ring EXT Extended Extension External Extinguish F F Fahrenheit Farad Female Fixed Flange Frequency Film Resistor FC Carbon Film Composition Edge of Cut off Frequency Face FDTHRU Feed through FEM Female FIL HD Fillister Head FL Flash Flat Fluid FLAT PT Flat Point FR Front RFEQ Frequency FT Current Gain Bandwidth Product Transition Frequency Feet Foot FXD Fixed G GEN Ge...

Page 104: ...INCL Including INT Integral Intensity Internal J J FET Junction Field Effect Transistor JFET Junction Field Effect Transistor K K Kelvin Key Kilo Potassium KNRLD Knurled KVDC Kilovolts Direct Current L LED Light Emitting Diode LG Length Long LIN Linear Linearity LK Link Lock LKG Leakage Locking LUM Luminous M M Male Maximum Mega Mi Milli Mode MA Milliampere MACH Machined MAX Maximum MC Molded Carb...

Page 105: ...tallic NO Normally Open Number NOM Nominal NPN Negative Positive Negative Transistor NS Nanosecond Non Shorting Nose NUM Numeric NYL Nylon Polyamide O OA Over All OD Outside Diameter OP AMP Operational Amplifier Opt Optical Option Optional P PA Picoampere Power Amplifier PAN HD Pan Head PAR Parallel Parity PB Lead Metal Push button PC Printed Circuit PCB Printed Circuit Board P CHAN P Channel PD P...

Page 106: ...C Precision PRP Purple Purpose PSTN Piston PT Part Point Pulse Time PW Pulse Width Q Q Figure of Merit R R Range Red Resistance Resistor Right Ring REF Reference RES Resistance Resistor RF Radio Frequency RGD Rigid RND Round RR Rear RVT Rivet Riveted S SAWR Surface Acoustic Wave Resonator SEG Segment SGL Single SI Silicon Square Inch SL Slide Slow SLT Slot Slotted SMA Subminiature A Type Threaded ...

Page 107: ...e T T Teeth temperature Thickness Time Timed Tooth Typical TA Ambient Temperature Tantalum TC Temperature Coefficient THD Thread Threaded THK Thick TO Package Type Designation TPG Tapping TR HD Truss Head TRMR Trimmer TRN Turn Turns TRSN Torsion U UCD or µCD Microcandela UF or µF Micro Farad UH or µH Micro Henry UL or µCD Microliter Underwriters Laboratories Inc UNHDND Unhardened V V Variable Viol...

Page 108: ...nd X X By as used with dimensions Reactance Y YIG Yttrium Iron Garnet Z ZNR Zener Diode Table 7 3 Standard Abbreviations Continued Table 7 4 Multipliers Abbreviation and Description Abbreviation Prefix Multiple T tera 1012 G giga 109 M mega 106 k kilo 103 da deka 102 d deci 10 1 c centi 10 2 m milli 10 3 µ micro 10 6 n nano 10 9 p pico 10 12 f femto 10 15 a atto 10 18 ...

Page 109: ...HP 8517B S Parameter Test Set Manual 7 11 HP 8517B Replaceable Parts Figure 7 1 Power Cable and Plug Part Numbers ...

Page 110: ...mps for 220 to 250 Vac part number ac Line F1 Rear Panel 2 0 2110 0002 1 0 2110 0001 5 Vdc F1 Regulator Board 1 5 2110 0043 1 5 2110 0043 5 Vdc F2 Regulator Board 1 0 2110 0001 1 0 2110 0001 15 Vdc F3 Regulator Board 1 5 2110 0043 1 5 2110 0043 15 Vdc F4 Regulator Board 1 0 2110 0001 1 0 2110 0001 Bias Bias Fuses Front Panel 0 5 2110 0012 0 5 2110 0012 ...

Page 111: ...al 7 13 HP 8517B Replaceable Parts Figure 7 2 The Low Cost Rebuilt Exchange Procedure Use this fast efficient economical method to keep your Hewlett Packard instrument in service Hewlett Packard pays postage on boxes mailed in the U S A ...

Page 112: ... A2 08513 60004 08513 69004 1 IF MUX Used for Option 001 NEW See Table 7 14 IF MUX Used for Option 001 R E A3 08517 60002 08517 69002 1 VTO Summing Amplifier Board Assembly NEW VTO Summing Amplifier Board Assembly R E A4 08517 60003 1 HP IB Board Assembly NEW A5 08517 60001 1 Attenuator Switch Driver Board Assembly A10 A11 A12 and A13 5086 6501 4 Frequency Converter Assembly A14 5086 7501 5086 650...

Page 113: ...HP 8517B S Parameter Test Set Manual 7 15 HP 8517B Replaceable Parts Figure 7 3 Major Assembly Locations in the Standard HP 8517B Test Set ...

Page 114: ...A8J3 to A11J2 W32 08517 20041 1 Cable Assembly A6J3 to A12J2 W33 08517 20038 1 Cable Assembly A8J2 to A9J2 W34 08517 20038 1 Cable Assembly A6J2 to A7J2 W35 08517 20028 1 Cable Assembly A17J2 to A18J7 W36 08517 20031 1 Cable Assembly A7J1 to A16J1 W37 08517 20027 1 Cable Assembly A16J2 to A18J1 W38 08517 20032 1 Cable Assembly A9J1 to A17J1 W39 08517 20056 1 Cable Assembly AT3 to Rear Panel J7 W40...

Page 115: ...tion W1 08513 60121 1 Cable Assembly A12J3 to A1J11 W2 08513 60122 1 Cable Assembly A13J3 to A4J11 W3 08513 60123 1 Cable Assembly A10J3 to A2J11 W4 08513 60124 1 Cable Assembly A11J3 to A3J11 W13 08513 60133 1 Cable Assembly A3J1 to A14J1 W14 08513 60134 1 Cable Assembly A3J2 to A7J11 W16 08513 60136 1 Cable Assembly A3J5 to A5J11 W18 08513 60138 1 Cable Assembly A3J7 to A6J11 ...

Page 116: ...J3 W23 08513 60143 1 Cable Assembly A5J3 to A18J6 W28 08517 60014 1 Ribbon Cable Assembly A16 through A19 W29 85102 60226 1 Cable Assembly Line Switch W30 08513 60014 1 Cable Assembly J10 to J11 W42 08513 60036 1 Cable Assembly A4 to A20 W43 08513 60013 1 Cable Assembly A1 to A19 W44 08517 60015 1 Cable Assembly A17 through A19 Table 7 8 Flexible Cable Assemblies in the Standard HP 8517B Test Set ...

Page 117: ...mber Quantity Description DS1 DS2 1990 0858 2 LED Lamp 25 MA Maximum E33 E34 2110 0797 2 Fuse Holder F1 F2 2110 0012 2 Fuse 0 5 A 250 V J13 J141 1 ea See Table 7 10 43 5021 8747 1 Front Bezel 48 1450 0615 2 Retainer LED 65 08340 40002 2 Mount LED 75 08517 00002 1 Front Dress Panel 76 08517 00003 1 Front Sub Panel 1 See Table 7 10 for parts detail ...

Page 118: ...or Assembly Components Item HP Part Number Quantity Description 1 5062 7274 1 Test Port Connector 2 5001 3930 5001 3904 5001 3905 5001 3906 0002 IN SHIM 0005 IN SHIM 001 IN SHIM 002 IN SHIM 3 5062 7276 1 Test Port Center Conductor 4 5021 3428 2 Test Port Connector Nut 5 5021 3427 2 Test Port Washer ...

Page 119: ...00 0010 4 Grommet Round 0 188 IN ID 312 IN GRV OD 31 0380 0926 4 Threaded Insert STDF 6 32 0 188 IN LG SST 42 1251 7812 6 Connector Jackscrew 61 0380 0002 4 Screw Mach 6 32 0 625 IN LG PAN HD POZI 71 2510 0322 4 Nut HEX W LKWR 6 32 THD 0 109 IN THK 103 2510 0270 4 Screw Mach 8 32 3 25 IN LG PAN HD POZI 123 3050 0139 12 Washer FL MTLC NO 8 0 172 IN ID 131 3050 0152 4 Washer Shoulder NO 8 0 172 IN I...

Page 120: ...r LK INTL T 7 16 IN 0 439 IN ID 593 2950 0001 2 Nut HEX DBL CHAM 3 8 32 THD 0 094 IN THK 60 2950 0132 1 Nut HEX DBL CHAM 7 16 28 THD 0 094 IN THK 61 7121 2380 1 Serial Number Label 933 08513 20032 2 Transformer Support Bracket 962 0590 0663 6 Nut HEX 4 40 1 See Figure 7 4 item 2 for detail 2 See Figure 7 4 item 3 for detail 3 See Figure 7 4 item 1 for detail Table 7 11 Miscellaneous Parts Rear Pan...

Page 121: ...HP 8517B S Parameter Test Set Manual 7 23 HP 8517B Replaceable Parts Figure 7 4 Detailed Views of Hardware Stack Ups ...

Page 122: ...ion 1 0360 0031 1 Terminal Crimp 2 2360 0115 5 Machine Screw 3 08512 20005 1 RFI Gasket 4 08513 00001 1 Top Deck 5 08513 00002 1 Transformer Bracket 6 08513 00015 1 Capacitor Plate 7 2200 0109 2 Machine Screw 8 08514 00007 1 Mounting Plate 9 See Table 7 13 for all part numbers and locations C1 through C4 and R1 through R4 10 0513 00037 1 Enclosure Bracket ...

Page 123: ...7 3 Machine Screws Table 7 12 Miscellaneous Parts Top Internal View Table 7 13 Miscellaneous Parts Motherboard Ref Des HP Part Number Quantity Description Manufacturer Code Manufacturer Part Number C1 C4 0180 2671 4 Capacitor FXD 012F 75 10 30VDC AL 00853 500123U030AC2A bottom pcx ...

Page 124: ...100 PIN SPCG 14 CONT A19J3 DOES NOT INCLUDE A19MP3 J4 J5 and J6 1251 6868 Connector 5 PIN M Post Type J7 1251 3825 1 Connector 5 PIN M Post Type J8 and J9 1200 0508 1 ea Socket IC 14 CONT DIP SLDR R1 and R2 0764 0015 1 ea Resistor 560 Ω 5 2W MO TC 0 200 R3 and R4 0764 0016 1 ea Resistor 1 k Ω5 2W MO TC 0 200 R5 and R6 0757 0394 1 ea Resistor 51 1 Ω1 0 125W F TC 0 100 24546 C4 1 8 T0 51R1 F XA2 XA3...

Page 125: ...on A2 08513 60004 1 Board Assembly IF Multiplexer NEW 08513 69004 Board Assembly IF Multiplexer R E Cable Assemblies Unique to Option 001 W5 08513 60125 1 Cable Assembly A2J2 to J11A1 W6 08513 60126 1 Cable Assembly A2J8 to J11A4 W7 08513 60127 1 Cable Assembly A2J5 to J11A2 W8 08513 60128 1 Cable Assembly A2J11 to J11A3 W9 08513 60129 1 Cable Assembly A2J3 to J10A1 ...

Page 126: ...513 60135 1 Cable Assembly A3J3 to J10A7 W17 08513 60137 Cable Assembly A3J6 to J10A5 W19 08513 60139 1 Cable Assembly A3J8 to J10A6 W24 08513 60144 1 Cable Assembly A12J3 to A2J1 W25 08513 60145 1 Cable Assembly A13J3 to A2J7 W26 08513 60146 1 Cable Assembly A10J3 to A2J4 W27 08513 60147 1 Cable Assembly A11J3 to A2J10 W45 08517 20017 1 Cable Assembly A8 to A18 W46 08517 20018 1 Cable Assembly A6...

Page 127: ... 7 29 HP 8517B Replaceable Parts Table 7 15 Parts Unique to HP 8417B Option 002 Test Set Ref Des HP Part Number Quantity Description W59 08517 20743 1 Cable Assembly A12J3 to Port 1 J13 W60 08517 20737 1 Cable Assembly A13J3 to Port 2J14 ...

Page 128: ...able 7 16 Parts Unique to HP 8517B Option 004 Test Set Ref Des HP Part Number Quantity Description W55 08517 20051 1 Cable Assembly AT7 to A9J1 W57 08517 20052 1 Cable Assembly A8J3 to A17J2 W58 08517 20050 1 Cable Assembly A17J1 to A11J2 AT7 08517 60020 1 3 dB Attenuator ...

Page 129: ...s Unique to HP 8517B Option 007 Test Set Ref Des HP Part Number Quantity Description AT8 and AT9 08516 60021 2 3 dB Attenuators A22 5086 7650 1 Input Amplifier A23 A24 A25 and A26 5086 7649 4 Buffer Amplifiers A27 08517 60045 1 Post Regulator Board Assembly Beneath A22 Input Amplifier ...

Page 130: ...8517 2003 1 A6 Coupler to A23 W48 08517 20061 1 AT1 to A24 W49 08517 20036 1 A8 Coupler to A25 W50 08517 20062 1 AT2 to A26 W51 08517 20034 1 A23 to AT3 W52 08517 20029 1 A24 to AT4 W53 08517 20034 1 A25 to AT5 W54 08517 20030 1 AT6 to A26 AT3 33340 60004 1 13 dB to 5 dB Attenuator AT4 08516 60004 1 10 dB Attenuator AT5 33340 60004 1 13 dB to 5 dB Attenuator AT6 08516 60007 1 10 dB Attenuator Tabl...

Page 131: ...ter Test Set Manual 7 33 HP 8517B Replaceable Parts Table 7 18 Parts Unique to Option 002 plus Option 007 There are no unique parts to Option 002 plus Option 007 All other parts are included in Option 002 or Option 007 ...

Page 132: ...Test Set Manual HP 8517B Replaceable Parts Table 7 19 Parts Unique to Option 004 plus Option 007 Ref Des HP Part Number Quantity Description W56 08517 20049 1 A17J1 to A25 All other parts are included in Option 004 or Option 007 ...

Page 133: ...ble 7 20 Instrument Chassis Replaceable Parts Item Number HP Part Number Quantity Description 1 08513 00040 1 Top Cover 2 08513 00041 1 Side Cover Perforated 3 5021 8403 1 Front Frame 4 5062 3747 1 Bottom Cover 5 5062 3799 1 Handle Assembly 6 5021 8496 1 Trim Front Handle ...

Page 134: ... 5062 3757 1 Side Cover Item Number HP Part Number Quantity Description 9 5021 5837 1 18 inch Corner Strut 10 5021 5804 1 Rear Frame 11 5041 8802 1 Trim Strip 12 5041 8821 2 Back Panel Foot 13 5021 8538 1 Lock Foot 14 5021 8540 1 Lock Foot Table 7 20 Instrument Chassis Replaceable Parts Continued ...

Page 135: ... checking test system specifications 1 5 choosing a test set from multiple test sets 3 6 commands switch driver 3 6 configuration 2 5 connection instructions 2 6 connector type descriptions 2 6 D definitions of prefixes used 7 10 description of test set 1 2 E environmental requirements 2 2 equipment requirements for replacing components 6 3 ESD information 6 1 ESD precaution 1 13 F fan assembly re...

Page 136: ... major assemblies 7 14 reference designator abbreviations 7 2 regulator board replacement 6 6 replacement procedure basics 6 5 revision information 1 8 RF input damage level 4 2 S safety precautions 1 13 sales and service internet address vi sales and service office locations vi selecting a test set 3 5 serial prefix location and description 1 7 service and support options 1 9 shipping the test se...

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