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Keysight E4980A/ E4980AL Precision LCR Meter

1. e4980ase1045 P6 12V P5 12V P4 3 3V 3 3V P4 3 3V P5 12V P6 12V Ifthe voltmeter reading is not within the following limits replace the power supply unit Table 4 1 36 Power Supply Unit Output supply Range 3 3 V 3 2 t0 3 4 5 V 4 8 to 5 2 12 V 11 4 to 12 6 12V 11 4 to 12 6 Chapter 4 Troubleshooting Power On Sequence Troubleshooting If the voltmeter reading is within the limits the power supply is verified Check booting process If the power on sequence has a problem despite it being powered from the power supply unit properly check the following events in this order 1 With the E4980A E4980AL plugged in and the power turned off the orange standby LED should be on If the orange LED doesn t light check the key flex circuit display interface board A1 board and relevant cables 2 When the front panel power switch is turned on the orange LED should go out and the yellow green LED should come on If the yellow green LED doesn t light check the key flex circuit display int
2. lt lt OOO OC cO O O OO QUO Oo COCO Bono 25 eMe 5969 OKO o96 oo 9 UT UL II BEAT ILLLLI ILLLILIT 4980 1023 Chapter 6 112 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 Step 1 Replacement Procedure Base Plate Replacement Base Plate Replacement Tools Required Torque screwdriver TORX T20 Torque screwdriver TORX T8 Torque screwdriver TORX T10 Box torque wrench 5 8 inch Boxtorque wrench 5 5 mm Boxtorque wrench 7 mm Removal Procedure Refer to Figure 6 10 for this procedure Remove the Option Interface as described in Option Interface Replacement on page 105 Remove the 3 4 Rack
3. e4980ase1021 Chapter 6 110 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 NOTE Step 1 NOTE Replacement Procedure Power Supply Assembly Replacement Power Supply Assembly Replacement Tools Required Torque screwdriver TORX T20 Torque screwdriver TORX T8 Torque screwdriver TORX T10 Box torque wrench 5 8 inch Boxtorque wrench 5 5 mm Removal Procedure Refer to Figure 6 9 for this procedure Remove the 3 4 rack module top as described in 3 4 Rack Module Top Replacement on page 96 Remove the PPMC PCA as described in PPMC PCA Replacement on page 107 Remove the Al Mother Board as described in 1 Mother Board Replacement on page 109 Disconnect the cable of the inlet item 1 from the Power Supply Assembly Remove the four 5 5 mm Standoff item 2 Remove the TORX T10 screw item 3 fastening the CPU cover Remove the CPU cover item 4 Remove the Power Supply Assembly with the cable power control Disconnect the cable power control item 5 from the Power Supply Assembly Do not pull out the power cable P N E4980 61601 from the Power Supply Assembly when you detach the Power Supply Assembly There is a possibility that the Power Supply Assembly could break when the power cable is forcibly pulled out Refer to sub figure in Figure 6 9 Replacement Procedure Reverse the order o
4. e4980ase1052 Table 4 10 Setting Bit Switch S1 Bit Default 11 On 2 Off 3 1 Off 4 On For bits 1 to 3 of bit switch S1 only one bit can be turned on at one time Table 4 11 Setting Bit Switch S2 Bit Default 1 8 On NOTE Bit switches S1 and S2 can be identified by the labels S1 and 52 the scanner 56 Chapter 4 Step 4 Step 5 Figure 4 13 DC POWER SUPPLY Troubleshooting Function Specific Troubleshooting interface board Replace the scanner interface board Set DC power supply output voltage 5 V Connect TP2 GND on the bias interface simulator to terminal of the power supply Then connect TP1 Vcc on the simulator to terminal of the power supply Refer to Figure 4 13 Scanner Simulator Connections SCANNER SIMULATOR To SCANNER INTERFACE Connector Ana 6006 v e4980ase1053 NOTE Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 DC power for the bias interface simulator can be supplied from the E4980A E4980AL instead of an external DC power supply Connect the scanner simulator to the scanner interface connector on the E4980A E4980AL s rear panel shown in Figure 4 13 Connect the 1 kQ st
5. 140 Update the E4980A E4980AL firmware using USB 141 Required Equipment aur u RERO NEVER MEER REESE RR EE ES 141 How to update E4980A E4980AL firmware using USB 141 Power Requirement Replacing Fuse iu eI AUR DUCES IRE RO UR ss 144 Fuse Selection Ae aig eich RE teed b pe be bka ebd des 144 Setting up the Use esed ee RR Eg MERE REQUE NR Ren edis 144 Power Requirements eese eet ease ea Reste ra ee 145 Power Cable x 145 Error Messages BrroriViessasese ain ee hake ee at 148 Assy ete ey kM s EERE ae hik plat aqp hat aqu p hang Meee ROSES Ra 148 Do gatas De 148 148 Contents D s tet RD EUER RE ce se e ites inte ete bah alte cect bb 149 E 150 I 150 EE TA ee Lee eem ede iue eee e tee e eee 151 Hug tee pe bsp tabs ERES OLOR BP np aga 151 Tico ga asha 151 a EA d AT Sita et te R DR UR Tree CC 152 ie usen airhe oird ea eem eee Diete ee I Ne bed mete ts 152 Qs sb ec ect ede Reg n eto ud NR BRUDER LEAD 152 r EE 1
6. n 115 Tools Required Pee riesen es ee en EIE NOCHE S RE dg 115 Removal Procedure ss saadet 115 Replacement Procedure e nu EET Re Abe Ea ern ae 115 FAN Assembly Replacement eme e a am e Ras a BGG Dee 117 ToolS Required ere IR au REN ende e here es 117 Removal Procedure i ss sre rex A VR EUER 117 Replacement Procedure en ioca e SO EMEN Lena ERNST AO ee rane d oc e Ge 117 GPIB Cable Replacement ur l Re Ea Nee See RR RU edu e pus 119 15 22 lt paq haqa pap E EU IE NOD ee ECCE Seg 119 Removal Procedure sos s st sat ei M p eg 119 Replacement eere 3222 e Mae BERE EE REA E E 119 Power Inlet Assembly 2 4 121 Tools Requited en te dee dia BA WGA ui bop Moby be eee 121 Removal Procedute us laaya ga se ies ga E p RC ah eal p E Re p 121 15 Contents 16 Replacement Proced re 2255559 ih EE Re RARE REDEEM RE MEE 121 4980 USB Replacement u Koei nee nn 665 exa x ere aper dran 123 Tools cun CS 123 Removal Procedure esee b RR be eek irn aqosqa 123 Replacement Procedure iscsi phe re Tales HEEE ke RR gua 123 Binding Post Sgl
7. 9596969696 0202020209 3969695969 S202 O62 ISO FC 2 05050 QAO 2626 50 gt 0505 26205 9696969696 0626262626 COE CC 50505050602 OZOFOFOZOFO LOKORO DONOR 50506595050 SOROK050505 505050505 OAC 29050 0202020 026262 GOODS 025252626 62625685206 6965969596 209090909 OSOSOSOSO 995050090 202090909 69696969 90909089 DSOSO O50 a i s HERE e4980ase1001 Chapter 5 70 Replaceable Parts Replaceable Parts List Table 5 1 Top View Major Assemblies Ref Keysight Part Qty Description Desig Number 1 E4980 62123 1 TESTED PCA A3 ANALOG DAUGHTER BOARD E
8. 1 4 1 64 Performance test failure troubleshooting 65 5 Replaceable Parts Ordering Information v ae a LEA USERS 68 Direct Mail Order System see eter e RR ER RUBER re sa Da er NUR RR 68 Exchange Assemblies 2 72 322 222 Uu EUR Yee Dei e OPERE EU EM 68 Replaceable Parts List Ee Peas RSE OURS AE SONS 69 Power Cables and Plug Configurations 69 Top View Major Assemblies 11 70 Top View Cables sere UE SUR ERR Nara bbe Seve RA 72 Top View Miscellaneous 1 74 Top View Tested PCA A2 Analog Board 75 Front Panel PD EET 76 Top View Power Supply 11 5 79 Top View Base Plate 81 Gasket oonan ea o oM oui bte VE lee DELE E Eus 83 Rear VIEW qM DD 84 P wer Inlet Assembly cs ERE de ts erede erat 85 Fan Assembly cia ca ddan ent Ba ee EEE RN RUE 86 Interface Option Assembly m Ei ag BR dhe
9. 2 29 ADC Linearity Adjustment ess 222 RR RI og aige EOE ERE Re be NER E me RR VERS E 29 DC Bias Adjustmeht 203 vrbes emer CERES RAE Dart Oh ant rE er 30 DC Level V Monitor Adjustment usss cs 0 br Rp Re RR p e g ERR E ER 30 DE Level I Monitor Adjustment sue to dh POL stab ICA ES 30 DE Source Adjustment 5095 byenkpeenhreeRReve i RMR REG RERO EYE SEE 30 DER Adjustment 224222 ette rar reine disais 30 Impedance Adjustment 42 224 22408 eyes a kan Bar ER SON SEs ec 30 AC Level Monitor 2 30 OSC Level Adqustiient o URS pie ERG RSEN eRe ee RAE RE REG RET E 30 4 Troubleshooting Introduction y 32 To Troubleshoot the Instrument u sies e Re RR bebe see 33 Primary Trouble 33 Power On Sequence 1 2 35 Check the Line Voltage and Fuse 1 4 35 Check the Power Supply Unit 1 2 35 Check booting process un aa ep ee Eee RE E Rd Baba RR E 37 Troubleshooting Using Service 1 1 2 38 Power On lest sete
10. a 5 2 E S Z sg 21 E 3 gt 3 E 3 lt E lt z 5 5 5 53 3 13 E lt B IZZIE 8 8 2 2 3 ol 2 2 a 5 gt lt 5 lt lt ala gt s s Fl s is Slol lt s a 2 5 a amp 2 gt a S E 51 lt 3 3 v a lt d 3 3 2 2 2 o A a o is E a S Q Q un e z Z z 5 ala 5 PPMC PCA 1 Board A2 Board A3 Board 1111 Writing ID This item writes the serial number option information into the A1 board of the E4980A E4980AL Write Null Phase Track Default Data The purpose of this procedure is to write the null phase track default data into A2 board Null DC Offset Adjustment The purpose of this procedure is to adjust the null DC offset of the A2 board Null ADC DC Offset Adjustment The purpose of this procedure is to adjust the null ADC DC offset of the A2 board ADC Linearity Adjustment The purpose of this procedure is to adjust ADC non linearity of the A2 board Chapter 3 29 e gt 2 c e qu 3 0 j gp Adjustment Required Adjustment after Replacing Assembly DC Bias Adjustment The purpose of this procedure is to adjust the DC Bias level DC Level V Monitor Adjustment The purpose of this procedure is to adjust the DC Level Monitor DC Level I Monitor Adjustment
11. 2 124 Tools Required re get RU b ehe nen Hann IR e 124 Removal Procedure sees ie edes eR REUTERS EEE sn eg abe 124 Replacement Procedure 1 124 Inverter Replacement ie cic une Se pee wie er re rend ee nee 126 Tools a e eddie wie utr EROR 126 Removal Procedure ine eese DES ke ek nk 126 Replacement Procedure ess deo gig 220 bd en ere ns RE RR Rer RR 126 Front Panel Key Pad and Key Flex Circuit Replacement 128 Tools cun TT 128 Removal Procedure needed ee a E debe re eee e bebe be eed ien 128 Replacement Procedure ee eet ck ee a ae 128 Display Interface 4 9 130 Tools Reauired u ca s a te ams 130 Removal Procedure estere en el be ned Eng Bia seoch 130 Replacement Procedure iss dessa 520566 xe RR E EE ke Lee ana 130 Post Repair Procedures Post Repair Pr cedutes eU ue ae aid hoist PEOR E rede dn OPUS Des pH CER UNT CE 134 Manual Changes Manual Changes pee de ee AeA eee umaq 138 Firmware Update Update the E4980A E4980AL firmware using USB GPIB 140 Required Equipment cepe ee le en 140 How to update E4980A E4980AL firmware using USB GPIB
12. D 5 Q D 09 28 27 20 63 200 123 178 170 1070 21 24 23 Error Messages Error Messages Operation that requires option 001 is performed in a model not having the power amp DC bias option option 001 DC bias unit connection changed The connection with the 42841A has been changed Cycle the power of the 42841A then preset the E4980A E4980AL DC bias unit disconnected The 42841A is not connected Confirm the connection to the 42841A DC bias unit powered down The 42841A is switched off Turn on the switch DC source off Turn DC source on DC source sweep is performed with the DC source function OFF Set the DC source function to ON E Exceeded AC DC limit The amount of the voltage level exceeds 42V peak Lower the DC voltage or AC voltage setting Execution error An error associated with execution has been generated for which this instrument cannot specify the error message This code indicates that an error associated with execution defined in 11 5 1 1 5 IEEE488 2 has occurred Exponent too long The magnitude of the exponent was larger than 32000 Expression data not allowed Expression data is not allowed Expression error Expression is improper F Fan failed Cooling fan hardware failure is detected When this error occurs contact Keysight Technology s Sales and Service Office or the company from which you bought the device Fixture circuit def
13. i 3 5 5 s E 10 pieces 5 Replaceable Parts E g 5 7 lt a o B 2 4 un s S Se le lt 59 2 as o ob 25 3 8 ZAJ 83 Chapter 5 Replaceable Parts Replaceable Parts List Rear View Rear View Figure 5 10 e4980ase1007 Table 5 11 Rear View E Q O a 6 gt 8 5006 BE lt m a 2 N M e nn Z e p abu D z e gt Z m z r 4 Oo 22 m Q Z E x gt lt Z em x gt lt E u 2 Z Z x lt z HB 4 ui amp 2 x T m amp lt ow 4 m i Bizga5485 2EAE EX aS gt Q Je aq u oS S v 9 m SDD qq 5 2 r a2 C AS BS 222 822 amp 28 eh u m w vo o Chapter 5 84 Replaceable Parts Replaceable Parts List Power Inlet Assembly Figure 5 11 Power Inlet Assembly e4980ase1008 Table 5 12 Power Inlet Assembly Ref Keysight Part Qty Description Desig Number 1 E4980 61612 1 INLET ASSY 2 0515 1946 2 SCREW MACH M3 X 0 5 3 2110 1017 1 FUSE 3A 250V e I D o c Q c D EI n Chapter 5 85 Replaceable Parts Replaceable Parts List F
14. Replaceable Parts Replaceable Parts List Label Assembly Figure 5 15 Label Assembly E pm conne oting 8957112 wanana le mm x WARNING CE ices NMB 000 77 e4980ase1016 Table 5 16 Label Assembly Ref Keysight Part Qty Description Desig Number 1 E4980 87003 1 GND LABEL 2 E4980 87002 1 BNC LABEL 3 E4980 87001 1 NAME LABEL E4980A 20Hz to 2MHz 4 E4980 87030 1 NAME LABEL E4980AL 20Hz to 300kHz 5 E4980 87050 1 NAME LABEL E4980AL 20Hz to 500kHz 6 E4980 87 100 1 NAME LABEL E4980AL 20Hz to 1MHz 7 E4980 87005 1 INFORMATION LABEL e D o D Q D D m 0n Chapter 5 89 Figure 5 16 Replaceable Parts Replaceable Parts List Bumpers amp Handle Assembly Bumbers amp Handle Assembly e4980ase1012 Table 5 17 Bumpers amp Handle Assembly Ref Keysight Part Qty Description Desig Number 1 E4980 45001 1 HANDLE 2 34480 46001 1 FRONT BUMPER 3 34480 46002 1 REAR BUMPER 90 Chapter 5 Replaceable Parts Replaceable Parts List Other Parts Table 5 18 Other Parts Keysight Part Number Qty Description E4980 901x0 1 SERVICE GUIDE 82357 61601 1 USB CABLE E4980 60102 1 Adapter for Option 002 lt The number indicated by
15. is suspected gt 13 If the following error message Fan failed is displayed during the measurement process a problem in the fan is suspected 14 If the following error message Power failed is displayed during the measurement process a problem in the power supply is suspected Chapter 4 37 NOTE NOTE Troubleshooting Troubleshooting Using Service Function Troubleshooting Using Service Function The Keysight E4980A E4980AL has a service function to diagnose the analog measurement section digital section and internal DC power supply voltages The Power On Test or Self Test of the service function makes it possible to isolate a faulty board assembly Power On Test The Power On Test always takes place once the E4980A E4980AL is turned on When a failure is detected a message Power on test failed is displayed in the system message area and the normal measurement screen does not appear Service Mode The Service Mode is a state that occurs when the power on test fails Here the characters on the display turn yellow and all of the front panel keys are unavailable When you want to use the front panel keys in the Service Mode while carrying out any repairs to the unit Power Switch Preset keys can be pressed The characters on the display turn yellow too but you can use all keys Contents of the power on test results The Power On Test contains tests as shown in Table 4 4 If the power on test
16. pisika 87 Wind Angle Assembly sisi ac g is ig bene RUE S UR teeth nese E ee NOR gas 88 Label Assembly sc ueri ee na ee poses 89 Bumpers amp Handle Assembly z REG cea Gb ee BE sk 90 Other Parts 2 42 20 lito viet ee nenne idque e 91 6 Replacement Procedure Replacing an Assembly u usus Seis Er Russ REN AG cr 94 REQUIFE Tools a REE end er Ro eo 95 3 4 Rack Module Top 1 2 96 Tools Reguited nt a ae ee ee pU usia 96 14 Contents Removal Procedure usss dup Eu ep Eb A ee eR HUE EN RES 96 Replacement Procedure ce cee es eos ae ee ce e e 96 Analog Daughter Board Replacement 27 100 Tools Required ae eee Rees 100 Removal Procedure 5 222 222 ee a ee 100 Replacement Procedure u us y FEEDER oe ERA RR REN De 100 A2 Analog Board Replacement 11 7 1 102 Tools Required casa een I ehe eri Es 102 Removal Procedure sss Saa Rupe a Ep RR RAE CR EE RE 102 Replacement Procedure eie rece desee e E eR eR EUR e DAE 102 Front Panel Assembly 2 1 104 Tools Sib sede ese ink ARTE etse 104 Removal Procedure sss
17. 05 5 4 24 Individual Test Description seek dened eas kb e ERE GGG EERXG bass ren ana bended eds 25 I Frequency Accuracy Test E TIRE de LU M Rue bd 25 2 Source Level Accuracy Test s vas orire spa e hb REESE EE ER 25 3 DC Bias Level Accuracy Test su aha ertsh tes ach DC QE gn ERES 25 4 DC Bias V Level Monitor Accuracy 1 25 5 DC Bias I Level Monitor Accuracy 25 6 AC Signal Level Monitor Accuracy Test 1 25 7 AC Signal Level Accuracy Test sb RED steeds Wiese eek QUIE RP E E na 25 8 Impedance Measurement Accuracy 26 9 DCR Measurement Accuracy Test 26 3 Adjustment Safety Considerations 2 ces ERES ESENE VERAS NORTE GAS Ghee deny ep SURE 28 Warm up for Adjustment oui een aan er Eq 28 Required Equipment eu ir ERRARE oe ea evade ee ERG ENS Redes ed ox RE Ns 28 Required Adjustment after Replacing 29 Wating ID ye scrote EEUU 29 Write Null Phase Track Default 1 29 Null DC Offset Adjustment x ES Say MEE ran Peu PUn aa 29 Null ADC DC Offset
18. 6 BIAS INTERFACE SERVICE Z HANDLER INTERFACE 8 SCANNER INTERFACCE Use Softkeys to select e4980aue 1146 Choosing a Test Item Functional Description E4980A E4980AL can run the following self tests The tests of SYSTEM USER DATA and BATTERY are also performed by the power on test gt Table 4 2 P o Test item Description 09 SYSTEM Checks the entire system A1 A2 A3 boards system 3 calibration data and so on e USER DATA Checks the GPIB LAN configurations instrument configuration information instrument calibration data and scanner calibration data BATTERY Checks the internal batteries KEY Checks the font panel keys Visual checks only no result shown on screen DISPLAY Checks the font panel LEDs and LCD Visual checks only no result shown on screen BIAS INTERFACE Checks the bias interface Visual checks only no result shown on screen Chapter 4 39 Table 4 2 Step 4 Step 5 Step 6 Step 7 Figure 4 4 Troubleshooting Troubleshooting Using Service Function Test item Description HANDLER Checks the handler interface Visual checks only no result INTERFACE shown on screen SCANNER Checks the scanner interface Visual checks only no result INTERFACE shown on screen Executing the self test from the front panel The self test of the E4980A E4980AL can be executed from the front panel The steps are given below Self test procedure Press System SELF
19. D n Post Repair Procedures Post Repair Procedures Table 7 1 Post Repair Procedures Replaced Required Adjustments Verification Assembly or Part Correction Constants CC Bias Current I F No adjustment needed Inspect the booting process and power on option 002 test result To Check the Bias Current Interface Function Option 002 only on page 59 136 Chapter 7 gt z D 2 D 2 D 2 N Manual Changes This appendix contains the information required to adapt this manual to versions or configurations of the E4980A E4980AL manufactured earlier than the current printing date of this manual The information in this manual applies directly to E4980A E4980AL units with the serial number that is printed on the title page of this manual 137 Manual Changes Manual Changes Manual Changes To adapt this manual to your E4980A E4980AL refer to Table A 1 and Table A 2 Table A 1 Manual Changes by Serial Number Serial Prefix or Number Make Manual Changes Table A 2 Manual Changes by Firmware Version Version Make Manual Changes The ten character serial number is printed on the serial number label Figure A 1 on the rear panel Figure A 1 Serial Number Plate Example 138 Appendix A 0 TI 3 Cc a D Firmware Update This appendix describes how to update the E4980A E4980AL firmware When you want to up
20. Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page 100 Remove the A2 Analog Board as described in A2 Analog Board Replacement on page 102 Remove the Front Panel as described in Front Panel Assembly Removal on page 104 Remove the 3 8 inch nut item 1 and washer item 2 fastening the Binding Post Sgl Slide the Binding Post Sgl item 3 from the Front Panel Assembly Replacement Procedure Reverse the order of the removal procedure When you fasten the Binding Post Sgl with the 3 8 inch nut and washer set box torque wrench s torque to 17 4 in Ib 124 Chapter 6 Replacement Procedure Binding Post Sgl Replacement Figure 6 16 Binding Post Sgl Removal D D O 3 L U E D 2 4980 1034 Chapter 6 125 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 1 NOTE Replacement Procedure Inverter Replacement Inverter Replacement Tools Required Torque screwdriver TORX T10 Torque screwdriver TORX T20 Torque screwdriver TORX T6 Box torque wrench 7 mm Box torque wrench 5 8 inch Removal Procedure Refer to Figure 6 17 for this procedure Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page
21. for P1000 66501 Only 12 1400 0249 1 CABLE TIE 062 625 DIA 091 WD NYL e o 5 O eb D 5 P 42 5 73 Replaceable Parts Replaceable Parts List Top View Miscellaneous Parts Top View Miscellaneous Parts Figure 5 4 silii q 000 000000 OrOrO OrO 2905090800 66 Sogo e4980ase1003 ub x x e t A 2 gt 2 D O DD lt lt lt 2 2 S B Fa m nn Nn E Ss a a 5 E 2 gt 5 ee mele 3 Selo 4 w Qm ox 5 8 8 N eb 2193 a MA co Chapter 5 74 Replaceable Parts Replaceable Parts List Top View Tested PCA A2 Analog Board Figure 5 5 Top View Tested PCA A2 Analog Board e4980ase1004 Table
22. x in the part number of the manual 0 for the first edition is incremented by 1 each time a revision is made The latest edition comes with the product ge D o D Q D m 7 Chapter 5 91 Replaceable Parts Replaceable Parts List 92 Chapter 5 O D E o O D 3 D gt U o O D a D Replacement Procedure This chapter provides procedure for removing and replacing the major assemblies in the E4980A E4980AL 93 Replacement Procedure Replacing an Assembly Replacing an Assembly The following steps show the sequence for replacing an assembly in a E4980A E4980AL Signal Source Analyzer 1 Identify the faulty group Refer to Chapter 4 Troubleshooting 2 Order a replacement assembly Refer to Chapter 5 Replaceable Parts 3 Replace the faulty assembly and determine what adjustments are necessary Refer to This chapter and Chapter 7 Post Repair Procedures 4 Perform the necessary adjustments Refer to Chapter 3 Adjustment 5 Perform the necessary performance tests Refer to Chapter 2 Performance Test WARNING These servicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so WARNING The opening of covers or removal of parts is likely to expose dangerous voltages Disconnect the instrument from its power supply CAUT
23. 5 4 Top View Tested PCA A2 Analog Board Ref Keysight Part Qty Description Desig Number 1 E4980 62112 1 TESTED PCA A2 ANALOG BOARD E4980 69112 1 RSTRD E4980 62112 ANALOG 2 0380 4989 4 STANDOFF HEX M4X0 7 3 2950 0054 2 NUT HEX DBL CHAM 1 2 28 THD 095 IN THK 4 3050 2230 5 WASHER SPR WAVY 13 MM ID 17 MM OD e I D o c Q c D EI n Chapter 5 75 Replaceable Parts Replaceable Parts List Front Panel Figure 5 6 Front Panel e4980ase1013 76 Chapter 5 Replaceable Parts Replaceable Parts List Table 5 5 Front Panel Ref Keysight Part Qty Description Desig Number 1 E4980 25001 1 INSULATOR 0950 5724 1 INVERTER 0515 0658 2 SCREW MACHINE M2 X 0 4 2 N1912 60012 1 DISPLAY INTERFACE 3 N1912 40002 1 DISPLAY SUPPORT 4 2090 1101 1 DISPLAY E4980 25003 2 LCD GASKET SHORT E4980 25004 2 LCD GASKET LONG N1912 20005 1 WINDOW EMI SHIELD 5 0515 0661 4 SCREW MACHINE ASSEMBLY 2 X 0 4 14MM LG 6 E4980 07001 1 EMI SHIELD N1912 20011 1 KEY FLEX CIRCUIT 7 E4980 40012 1 KEYPAD 8 E4980 40001 1 FRONT PANEL 9 N1912 61002 1 CABLE ASSY BACKLIGHT 10 1510 0130 1 BINDING POST SGL 3050 2229 1 WASHER SPR WAVY 6 4 MM ID 2950 0006 1 NUT HEX DBL CHAM 1 4 32 THD NOTE Part numbers E4980 07002 N1912 20011 and E4980 40012 can be combined as a single sub assembly under part number E4980 62005 Table 5 6 E4980 62005 Sub Assembly Ref Keysight P
24. Module Top as described in 3 4 Rack Module Top Replacement on page 96 Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page 100 Remove the A2 Analog Board as described in A2 Analog Board Replacement on page 102 Remove the two TORX T10 screws item 1 fastening the Shield Angle Remove the Shield Angle item 2 from the Base Plate Remove the PPMC PCA as described in PPMC PCA Replacement on page 107 Remove the A1 Mother Board as described in A1 Mother Board Replacement on page 109 Remove the Power Supply Assembly as described in Power Supply Assembly Replacement on page 111 Remove the seven TORX T20 screws item 3 fastening the Base Plate Remove the two TORX T20 screws item 4 fastening the Base Plate and the ground cables Then remove the ground cables item 5 Remove the Rack Module Bottom from the Base Plate Remove the Rear Panel as described from Step 9 to Step 11 in Rear Panel Assembly Replacement on page 115 Remove the Base Plate from the Rear Panel Replacement Procedure Reverse the order of the removal procedure Chapter 6 113 O 5 O D E gt U x O D Q 1 Replacement Procedure Base Plate Replacement NOTE Ib When you fasten the Base Plate with the seven TORX T20 screws set screwdriver s torque When you fasten the ground cable and the Base Plate with the two TORX T20 screws
25. NEMA 6 15P 250V 6A Cable 8120 0698 Plug SEV Type 12 250V 10A Cable 8120 2104 OPTION 912 Denmark OPTION 917 India Republic of S Africa Plug SR 107 2 D 250V 10A Plug IEC 83 B1 250V 10A Cable 8120 2956 Cable 8120 4211 OPTION 918 OPTION 920 Argentina Plug JIS C 8303 125V 12A Plug Argentine Resolution 63 Annex IV 250V 10A Cable 8120 4753 Cable 8120 6870 OPTION 921 Plug CEI 23 16 250V 10A Cable 8120 6978 OPTION 922 Plug GB 1002 250V 10A Cable 8120 8376 NOTE Each option number includes a family of cords and connectors of various materials and plug body configurations straight 90 etc power e Chapter 5 e D o D Q D m 7 Replaceable Parts Replaceable Parts List Top View Major Assemblies Top View Major Assemblies Figure 5 2 Dun
26. NOTEs CAUTIONs and WARNINGS that must be followed to ensure the safety of the operator and to keep the instrument in a safe and serviceable condition The adjustment must be performed by Keysight s qualified service personnel Any interruption of the protective ground conductor inside or outside the equipment or disconnection of the protective ground terminal can make the instrument dangerous Intentional interruption of the protective ground system for any reason is prohibited Warm up for Adjustment Warm up the E4980A E4980AL for at least 30 minute before performing any of the following Adjustment procedures to ensure proper results and correct instrument operation Required Equipment Table 1 1 on page 22 lists the equipment required to perform the Adjustment procedures described in this chapter Use only calibrated test equipment when adjusting the E4980A E4980AL 28 Chapter 3 Adjustment Required Adjustment after Replacing Assembly Required Adjustment after Replacing Assembly After replacing the following assembly the adjustment items described in Table 3 1 must be required The adjustment must be performed Keysight s qualified service personnel If you need the adjustment for your E4980A E4980AL it should be sent to the nearest Keysight Technologies service office Table 3 1 Required Adjustment Item after Replacing Assembly Replaced Assembly Adjustment Item
27. Replacement on page 113 Remove the one TORX T20 screw item 1 fastening the ground cable Remove the five TORX T10 screws item 2 fastening the Rear Panel Assembly Remove the Rear Panel Assembly from the Base Plate Replacement Procedure Reverse the order of the removal procedure When you fasten the Rear Panel with the five TORX T10 screws set screwdriver s torque to 8 7 in Ib When you fasten the ground cable with the TORX T20 screw set screwdriver s torque to 21 1 in Ib Chapter 6 115 O 5 O D E gt U x O D Q 0 Replacement Procedure Rear Panel Assembly Replacement Figure 6 11 Rear Panel Assembly Removal SS S 7 S e4980ase1025 116 Chapter 6 i m F Step 1 Step 2 Step 3 NOTE Step 4 Step 1 NOTE Replacement Procedure FAN Assembly Replacement FAN Assembly Replacement Tools Required Torque screwdriver TORX T20 Removal Procedure Refer to Figure 6 12 for this procedure Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Disconnect the connector of the fan cable on the Al Mother Board item 1 from Fan Assembly Push the four Rivets item 2 from the inside then remove the four Rivets fastening the Fan Assembly If you can not push the rivets out easily push the rivets out using a flat edge driver Remove the Fan
28. The purpose of this procedure is to adjust the DC Level I Monitor DC Source Adjustment The purpose of this procedure is to adjust the DC Source level DCR Adjustment The purpose of this procedure is to adjust the DCR measurement Impedance Adjustment The purpose of this procedure is to adjust the impedance measurement AC Level Monitor Adjustment The purpose of this procedure is to adjust the AC level monitor OSC Level Adjustment The purpose of this procedure is to adjust the OSC level 30 Chapter 3 5 pa c D m gt Troubleshooting This chapter provides the procedure to isolate a faulty assembly in the E4980A E4980AL 31 WARNING WARNING CAUTION CAUTION Troubleshooting Introduction Introduction These servicing instructions are for use by qualified personnel only To avoid possible electrical shock do not perform any servicing unless you are qualified to do so The opening of covers or removal of parts is likely to expose dangerous voltages Disconnect the instrument from its power supply beforehand Many of the assemblies in the instrument are very susceptible to damage from ESD electrostatic discharge Perform the following procedures only at a static safe workstation and wear a grounding strap DO NOT operate without following instructions Programs or files in the instrument may be broken 32 Chapter 4 T
29. an ERU ne qaa flr eR kcu iu d RUE 38 13 Contents Contents of the power on test results 38 gl DR 38 SERVICE Page c 40 Power On Test Self Test Failure Troubleshooting 44 Function Specific 1 4 4 2 2 46 To Check the Front Panel eke ses yee na a 47 To Check the LOD 47 To Check the Front USB port ios ebb mes be bbe a nennen 47 To Check the External Trigger 17 4 48 To Check the LAN i sh eese Bowne bale Moe e Rol e RR OR elc awia Ie BL TR 48 the GPIB na E Ga nn Rad 50 To Check the USB USBTMO Interface Card 51 To Check the Handler Interface Function Option 201 51 To Check the Scanner Interface Function Option 301 55 To Check the Bias Current Interface Function Option 002 59 Performance test failure 1 0 63 Recommended adjustment for performance test 63 Adjustment failure troubleshooting
30. in the system message area Example of the System Information The sysinfo txt can be read by using an external computer PC The example of the system information is as follows System information ID Keysight Technologies E4980A MY 12345678 A 01 00 OPT 001 710 710 POWER CYCLE 42 POWER ON HOURS 22 SYSCAL REV 1 00 SYSCAL DATE 2006 3 9 R Rev 1 00 CPU 1 0 42 Chapter 4 Troubleshooting Troubleshooting Using Service Function DATA 4 0 OPT 1 0 PTI2 0 PT 3 0 PT 4 0 1 0 1 0 1 0 OOOO 5 PTI6 put 1 187504864E 01 1 184382915E 01 5 098754883E 00 3 359375000E 00 2 5048828 13E 00 5 090893269E 00 1 2 1 3 1 4 1 5 6 1 2 337981556E 04 4 294419530E 01 4 93716475 1E 01 gt gt gt gt gt BERSRRERRRZEZZZEZ Q TO 4 4 625371247E 01 5 4 599838385E 01 6 3 438261555E 01 1 4 189105189E 05 2 8 715481204E 01 8 746015586E 01 7 700712127E 01 2 887844449E 01 gt gt gt N N 1 0 USER 2 0 USER 3 0 USERI4 0 1 3 247070313E 00 3 750000000E 01 4 474563461E 01 44 404803338E 01 5 c D m gt Chapter 4 43 Troubleshooting Troubleshooting Using Service Function Power On Test Self Test Failure Troubleshooting Table 4 4 represents the contents of the power on tests or self test and the relationships of failed t
31. of parameters is invalid See the command reference to confirm the required number of parameters Power failed Power unit hardware failure is detected Contact Keysight Technology s Sales and Service Office or the company from which you bought the device Power on test failed An error occurs during a self test at power on The E4980A E4980AL may be faulty Contact Keysight Technology s Sales and Service Office or the company from which you bought the device A self test fails when an interface board is removed or not connected properly Check the connection with a cable when you change the setting of the interface board Program mnemonic too long Program mnemonic is too long maximum length is 12 characters Q Queue overflow There is no room in the queue and an error occurred but was not recorded Clear the error queue Query DEADLOCKED Input buffer and output buffer are full cannot continue Query error Query is improper Query INTERRUPTED Query is followed by DAB or GET before the response is completed Query UNTERMINATED Addressed to talk incomplete program message received Query UNTERMINATED error after indefinite response A query that requests arbitrary data response IDN and OPT queries is sent before normal queries in a program message for example FREQ IDN is expected but IDN FREQ is received Appendix D 153 e m m m z D D Q D 09 71 82 150 15
32. sh Sa tee ie ei ls 104 Replacement Procedure eoo et eas ee Me ee Ake RU eae 104 Option Interface Replacement 22 22 eis ERI ERES AE 105 Tools Required ee E 105 Removal Procedure i susu SC EA ua En E RES ERE eR 105 Replacement Procedure u sa aps a eed ORs 105 PCA Replacement 25222565 ch RR RR RR RR RR RARER e ER sn 107 Tools Required aaa ee ee See Eee eti ERES 107 Removal Procedure 5 see SER eR RR AR ee 107 Replacement Procedure Kae a een NR go ERR REN eR 107 1 Mother Board Replacement 72 2 109 Tools Required ss it het ete e ei EN 109 Removal Procedute sas Sense Ss e Ep REA Sal RE as 109 Replacement Procedure ce amas usay Rep er INR UE e is 109 Power Supply Assembly 1 2 4 1 111 Tools Required Z z a e NEUE nee eR e bn hern 111 Removal Procedure sm Rp Sha uwa hss 111 Replacement Procedur s ssnin n Saar Ess ee TER es 111 Base Plate Replacement cue RE a aA Re TR CR Se LU Re sc 113 Tools Reguired uu a Sa et er nen be e REP IE 113 Removal Procedures us 8 22 En A Lese 113 Replacement Procedure Gus maa 02 ORO Ee aos 113 Rear Panel Assembly Replacement
33. stick new gaskets P N E4980 25003 oo 2 E4980 25004 2 to surroundings on the LCD Display 130 Chapter 6 6 Replacement Procedure Replacement Procedure Display Interface Replacement Display Interface Removal Figure 6 19 e4980ase1037 131 Chapter 6 Replacement Procedure Display Interface Replacement 132 Chapter 6 N ar 09 T D O ar E Q O D D n Post Repair Procedures This chapter lists the procedures required to verify the E4980A E4980AL operation after an assembly is replaced with a new one 133 Post Repair Procedures Post Repair Procedures Post Repair Procedures Table 7 1 Post Repair Procedures lists the required procedures that must be performed after the replacement of an assembly These are the recommended minimum procedures to ensure that the replacement is successfully completed Table 7 1 Post Repair Procedures Replaced Required Adjustments Verification Assembly or Part Correction Constants CC PPMC Processor At first it is required to install the latest Inspect the booting process and power on and IO Module firmware based on Appendix B test result E4980 62004 Firmware Update Perform the following required adjustments using PPMC in Spot Adjustment of the program Power On Test Limit 1 Mother Board Perform the following required adjustments using Al Board in Spot Adjustmen
34. the Handler Interface Function Option 201 only on page 51 Scanner interface Option E4980A 301 The interface to connect a scanner to perform up to 128 sets of multi channel correction and measurements Refer to in To Check the Scanner Interface Function Option 301 only on page 55 Bias current interface Option E4980A 002 The interface to connect the 4284 Bias Current Source Refer to in To Check the Bias Current Interface Function Option 002 only on page 59 46 Chapter 4 Troubleshooting Function Specific Troubleshooting To Check the Front Panel Procedure Randomly press the front panel keys to verify that they work normally Step 1 Press System SELF TEST Step 2 Use the cursor key to highlight the selection item to the right of TEST No Step 3 Select 4 KEY using the INCR or DECR softkey Step 4 Press EXECUTE TEST START Step 5 Randomly press the front panel keys The key name of the pressed key is displayed Step 6 To exit the front panel test press TEST STOP three times consecutively and then press Return If multiple keys fail to work a problem in key function keypad key flex circuit or display interface board If only a specific key doesn t work check first if the key is subsided in the panel To Check the LCD Procedure Step 1 Press System SELF TEST Step 2 Use the cursor key to highlight the selection item to the r
35. the No 11 Press the SAVE softkey to save configuration states into the USB memory Press Save Recall Use the cursor keys to select the MEDIA field Press the EXT softkey Use the cursor keys to select the No 11 Press the RECALL softkey to recall configurations from the USB memory If the file save or recall operation fails a failure in the USB port or A1 board is suspected Also check the cable between the USB port and A1 board To Check the External Trigger Input Procedure Press Preset CLEAR SETTING OK to initialize the E4980A E4980AL Press Meas Setup Using the cursor keys select the TRIG field and then select EXTsoftkey Press Display Format Connect a BNC Short or 50 termination to the Ext Trig connector on the rear panel and disconnect it Thereby a measurement trigger should be generated and a measurement result should be refreshed If no trigger occurs a failure in the A1 board is suspected To Check the LAN Procedure Connect a LAN cable between the LAN port on the rear panel and an external computer PC Use a crossed LAN cable to enable the peer to peer communication between the E4980A E4980AL and the PC If the E4980A E4980AL needs to be connected to the PC via a multi port Hub use a straight LAN cable Press System 48 Chapter 4 Troubleshooting Function Specific Troubleshooting Step 3 Press the SYSTEM CONFIG softkey Step 4 Select the DHCP ENABLED field using the cursor
36. 100 Remove the A2 Analog Board as described in A2 Analog Board Replacement on page 102 Remove the Front Panel Assembly as described in Front Panel Assembly Removal on page 104 Disconnect the display cable item 1 from the Inverter Release the Cable Assy from the clip item 2 on the Front Panel Assembly Disconnect the Cable Assy item 3 from the Front Panel Assembly Remove the two TORX T6 screws item 4 fastening the Inverter and the insulator Remove the Inverter item 5 with the insulator item 6 from the Front Panel Assembly Then remove the Inverter from the insulator Replacement Procedure Reverse the order of the removal procedure When you fasten the Inverter and the insulator with the two TORX T6 screws set screwdriver s torque to 3 05 in Ib 126 Chapter 6 Replacement Procedure Inverter Replacement Figure 6 17 Inverter Removal D D O 3 L U E D 2 4980 1035 Chapter 6 127 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 NOTE Step 8 Step 1 Replacement Procedure Front Panel Key Pad and Key Flex Circuit Replacement Front Panel Key Pad and Key Flex Circuit Replacement Tools Required Torque screwdriver TORX TIO Torque screwdriver TORX T20 Box torque wrench 7 mm Box torque wrench 5 8 inch Removal Procedure Refer to Figure 6 18 for this procedure Remove th
37. 1101 1 DISPLAY 2 0950 4111 0950 5724 1 INVERTER 3 Up to A 06 10 A 06 11 and Compatible Firmware above Revision 78 Chapter 5 Replaceable Parts Replaceable Parts List Top View Power Supply Assembly Top View Power Supply Assembly Figure 5 7 4980 1005 5 Replaceable Parts 79 Chapter 5 Replaceable Parts Replaceable Parts List Table 5 8 Top View Power Supply Assembly Ref Keysight Part Qty Description Desig Number 1 0515 0430 2 SCREW MACHINE M3 X 0 5 2 E4980 01215 1 ANGLE SHIELD 3 0380 4972 4 STANDOFF HEX M3 0 X 0 5 4 0950 5428 1 POWER SUPPLY 5 E4980 04001 1 PSU COVER for OLD PSU 0950 4378 Only 6 0515 0430 1 SCREW MACHINE M3 X 0 5 80 Chapter 5 Replaceable Parts Replaceable Parts List Top View Base Plate Assembly Top View Base Plate Assembly Figure 5 8 e4980ase1006 5 Replaceable Parts 81 Chapter 5 Replaceable Parts Replaceable Parts List Table 5 9 Top View Base Plate Assembly Ref Keysight Part Qty Description Desig Number 1 0515 4830 8 SCREW MACH M4 X 0 7 2 E4980 40003 1 3 4 RACK MODULE BOTTOM CASE 3 E4980 00111 1 BASE PLATE 4 See Table 5 10 1 REAR PANEL ASSEMBLY 5 0515 1946 5 SCREW MACH M3 X 0 5 6 0515 2143 p SCREW MACH MA X 0 7 6MM LG PAN HD 82 Chapter 5 Replaceable Parts Replaceable Parts List Gasket Gasket Figure 5 9 NS 16 pieces E CN j
38. 3 4 rack module top as described in 3 4 Rack Module Top Replacement on page 96 Remove the PPMC PCA as described in PPMC PCA Replacement on page 107 Disconnect the Mother Analog cable item 1 from A1 Mother Board Disconnect the front USB cable item 2 from A1 Mother Board Disconnect the cable power control item 3 from A1 Mother Board Disconnect the power supply cables item 4 from A1 Mother Board Pull out the power supply cables straight without touching the hook on the cable connector Disconnect the LCD cable item 5 from Front Panel Assembly Disconnect the fan cable item 6 from FAN Assembly Remove the 5 8 inch nut and washer item 7 fastening the BNC connector Remove the five TORX T10 screws item 8 from the Al Mother Board Remove the A1 Mother Board toward front side Replacement Procedure Reverse the order of the removal procedure When you fasten the BNC connector with the 5 8 inch nut and washer set box torque wrench s torque to 17 4 in Ib When you fasten the Al Mother Board with the five TORX T10 screws set screwdriver s torque to 8 7 in Ib for left under screw of item 8 in the Figure 6 8 and set screwdriver s torque to 4 35 in Ib for other screws When you connect the LCD Cable to the Al Mother Board make sure the LCD Cable is at the bottom of the Analog Source Cable Chapter 6 109 O 5 O D E gt U x O D 1 Replacement Proced
39. 4980 69123 1 RSTRD E4980 62123 ANALOG 0403 0424 2 BUMPER FOOT ADH MTG 20 5 MM WD not included A3 2 E4980 66609 1 PCA E4980 USB 3 5041 7724 7 VENT BLOCKS 4 E4980 62004 1 PPMC PROCESSOR AND IO MODULE 5 E4980 66641 1 PCA E4980 MOTHER BOARD A1 6 E4980 07004 1 USB GASKET 7 E4980 01207 1 ANGLE CPU for P1000 66501 only e o 5 O eb D 5 P 42 5 71 Replaceable Parts Replaceable Parts List Top View Cables Top View Cables Figure 5 3 2oPo9o9o9o 09090908059 990959690 OXOZO O 0202 O 259095906 CSOSA o o9c 90000000 N 9 2680808 0808080208080 26262625252626262626 90909090909 NOR OO 9252626262 KOKO P526868658 95969696 696 020202920808 696969690909 0209090909080 0209090908089 0505905000000 O o9 e4980ase1002 Chapter 5 72 Replaceable Parts Replaceable Parts List Table 5 2 Top View Cables Ref Keysight Part Qty Description Desig Number 1 5188 1253 1 RF CABLE ASSY 2 5188 1254 1 RF CABLE ASSY 3 E4980 61601 1 POWER CABLE ASSY 4 E4980 61615 1 CABLE POWER CONTROL 5 E4980 61605 1 FRONT USB CABLE 6 E4980 61602 1 MOTHER ANALOG CABLE ASSY 7 E4980 61610 1 GPIB CABLE ASSY 8 E4980 61609 1 ANALOG SOURCE CABLE ASSY 9 E4980 61603 1 LCD CABLE ASSY 10 E4980 61617 1 FRONT GND CABLE 11 E4980 61616 1 LAN GND CABLE
40. 53 Qe scele em C p ek UR AR EORR Ale doa eco CB ERR 153 a EE 154 DE 154 este erp D Moi a eta e ge Re Re eee LS 154 pu 154 bac 155 Warning Message sss Se eS RE Le DRM qur t ep E 156 P M 156 C C DURO e CR op EROR ee id elec o a IR a Re be A Edo Gach IER EUR 156 ah Saa ae ei ie u 156 amas CCP np ape 156 Su apus ashuan ns es qe Se ee tae Ee A der ien er 157 17 Contents 18 a Q D 2 gp 5 s 3 D c 2 General Information This Service Guide is a guide to servicing the E4980A amp E4980AL 20Hz to 300kHz 500kHz 1MHz 2MHz Precision LCR Meter The Service Guide provides information about performance test adjustment troubleshooting and repairing the instrument 19 General Information Organization of Service Guide Organization of Service Guide Tabs are used to divide the major chapter and appendix of this manual The contents of each chapter and appendix in this manual as follows Chapter 1 General Information This Service Guide is a guide to servicing the E4980A amp E4980AL 20Hz to 300kHz 500kHz 1MHz 2MHz Precision LCR Meter The Service Guide provides information about performanc
41. 8 138 102 223 223 211 113 Error Messages Error Messages R Reference Measurement aborted Reference data measurement is aborted S Scanner I F not installed Operation that requires option 301 is performed in a model that does not have a scanner interface board option 301 Store failed User attempts to save data into number 10 to 19 when a USB memory device is not inserted Prepare the USB memory device or save data into number 0 to 9 String data error String data is improper String data not allowed String data is not allowed Suffix not allowed A suffix is not allowed for this operation Syntax error Unrecognized command or data type was received T Too many digits The received numeric value is too long exceeds 255 digits Too much data The block expression or character string type program data that are received conform with the standard but exceed the amount that can be processed under the condition of the memory or conditions specific to memory related devices In this instrument this error occurs when the number of characters exceeds 254 in a character string parameter Trigger ignored The instrument receives and detects a trigger command TRIG or an external trigger signal but it is ignored due to the timing condition the instrument is not in the wait for trigger state for example Change the setup so that a trigger command or an external trigger signal can
42. 980ase 1043 Chapter 6 122 Step 1 Step 2 Step 3 Step 4 Step 1 NOTE Figure 6 15 Replacement Procedure PCA E4980 USB Replacement PCA E4980 USB Replacement Tools Required Torque screwdriver TORX T20 Removal Procedure Refer to Figure 6 15 for this procedure Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Disconnect the Front USB Cable item 1 from PCA E4980 USB Remove the two TORX T20 screws item 2 fastening the PCA E4980 USB and the ground cable Remove the PCA E4980 USB item 3 from the Front Panel Assembly Replacement Procedure Reverse the order of the removal procedure When you fasten the PCA E4980 USB and the ground cable with the two TORX T20 Screws set screwdriver s torque to 14 in Ib PCA E4980 USB Removal e4980ase1033 Chapter 6 123 O 5 O D E gt U x O D Q 0 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 1 NOTE Replacement Procedure Binding Post Sgl Replacement Binding Post Sgl Replacement Tools Required Torque screwdriver TORX TIO Torque screwdriver TORX T20 Box torque wrench 7 mm Box torque wrench 5 8 inch Box torque wrench 3 8 inch Removal Procedure Refer to Figure 6 16 for this procedure Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96
43. Assembly item 3 from the Rear Panel Replacement Procedure Reverse the order of the removal procedure When you replace the Fan Assembly use new rivets Chapter 6 117 O 5 O D E gt U x O D Q 0 Replacement Procedure FAN Assembly Replacement FAN Assembly Removal Figure 6 12 e4980ase1041 Chapter 6 118 Replacement Procedure GPIB Cable Replacement GPIB Cable Replacement O 5 O D E gt U x O D 1 Tools Required Torque screwdriver TORX T20 Box torque wrench 7 mm Removal Procedure Refer to Figure 6 13 for this procedure Step 1 Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Step 2 Disconnect the GPIB Cable connector item 1 from PPM PCA card Step 3 Remove the two 7mm standoff item 2 fastening the GPIB cable Step 4 Remove the GPIB Cable item 3 from the Rear Panel Assembly Replacement Procedure Step 1 Reverse the order of the removal procedure NOTE When you fasten the GPIB Cable with the two 7 mm standoff set box torque wrench s torque to 8 7 in Ib Chapter 6 119 Replacement Procedure GPIB Cable Replacement GPIB Removal Figure 6 13 e4980ase1042 Chapter 6 120 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 1 NOTE Replacement Proce
44. BUS 2 0x02 TH 3 1 DCBUS 5 0 04 HHH 4 A1_DCBUS_P3 3V 0x08 HHH 5 A1_DCBUS_P2 5V 0x10 HHH 6 A1_DCBUS_STAN 0x20 HHH BY A2 1 A2 DCBUS GND 0x01 HHH 2 A2_DCBUS_PM5V 0x02 HHH 3 A2 DCBUS P3V 0x04 THE 4 A2_DCBUS_P10V 0x08 THE 5 A2_DCBUS_M10V 0x10 HHH 6 A2 DCBUS TEMP 0x20 HHH A3 1 A3_DCBUS_GND 0x01 HHH 2 A3 DCBUS N50V 0x02 HHH 3 A3_DCBUS_P50V 0x04 HHH 4 A3_DCBUS_N12V 0x08 HHH 5 A3_DCBUS_TEMP 0x10 User 1 User Data User Data Lost zi 2 State Data State Data Lost S 3 Correction Data Corr Data Lost d 4 Scanner Correction Scanner Data Lost Data Battery 1 Al DCBUS BATT Battery Low HHR ERY Most suspicious assembly Suspicious assembly Possible faulty assembly Chapter 4 45 Troubleshooting Function Specific Troubleshooting Function Specific Troubleshooting If the E4980A E4980AL exhibits a failure symptom that is related to a specific function or control such as a front panel key control display data storage remote control interface external trigger isolate the trouble using the Function Specific Troubleshooting procedures described below The major functions of the E4980A E4980AL and the troubleshooting procedure for each function are shown in Table 4 5 Table 4 5 Major functions and troubleshooting procedures Function Description Troubleshooting Front panel keys All the E4980A E4980AL functions can be
45. CR Meter Regulatory Compliance Information This product complies with the essential requirements of the following applicable European Directives and carries the CE marking accordingly The Low Voltage Directive 2006 95 EC The EMC Directive 2004 108 EEC To obtain Declaration of Conformity please contact your local Keysight Technologies sales office agent or distributor Precision LCR Meter Safety Notice Supplement Precision LCR Meter This equipment complies with EN IEC61010 1 2001 This equipment is of MEASUREMENT CATEGORY I CAT Do not use for CAT Il Ill or IV Do not connect the measuring terminals to mains is a POLLUTION DEGREE 2 INDOOR USE This equipmen product This equipment is tested in stand alone condition and in combination with the accessories supplied by Keysight Technologies against the requirement of the standards described in the Declaration of Conformity If it is used as a system component compliance of related regulations and safety requirements are to be confirmed by the builder of the System General Safety Precautions The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific WARNINGS elsewhere in this manual may impair the protection provided by the equipment Such noncompliance would also violate safety standards of design manufacture and in
46. Figure 6 4 50 95 2696906 e4980ase1018 101 Chapter 6 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 1 NOTE Replacement Procedure A2 Analog Board Replacement A2 Analog Board Replacement Tools Required Torque screwdriver TORX TIO Torque screwdriver TORX T20 Box torque wrench 7 mm Box torque wrench 5 8 inch Removal Procedure Refer to Figure 6 5 and for this procedure Remove the 3 4 rack module top as described in 3 4 Rack Module Top Replacement on page 96 Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page 100 Disconnect the Mother Analog Cable item 1 from the A2 Analog Board Disconnect the Analog Source Cable item 2 from the A2 Analog Board Remove the four 7 mm Standoff item 3 from the A2 Analog Board Remove the TORX T20 screw item 4 from the PCA E4980 USB Then Disconnect the ground cable from the PCA E4980 USB Lift the A2 Analog Board and front panel toward upside Remove the five 5 8 inch nuts and washers item 5 fastening the BNC connector Remove the A2 Analog Board from Front Panel Disconnect the two SMB cables item 6 from the A2 Analog Board Replacement Procedure Reverse the order of the removal procedure When you fasten th
47. ION Many of the assemblies in this instrument are very susceptible to damage from ESD electrostatic discharge Perform the following procedures only at a static safe workstation and wear a grounding strap 94 Chapter 6 Replacement Procedure Required Tools Required Tools The following tools are required for repair of E4980A E4980AL Table 6 1 Required Tools O O D 3 D gt U Q O D D Assembly Torque screwdriver Box torque wrench T6 T8 T10 T20 5 5 mm 7mm 3 8 in 5 8 in 3 4 Rack Module Top A3 Analog Daughter Board A2 Analog Board Front Panel Assembly Option Interface PPMC PCA A1 Mother Board Base Plate Power Supply Assembly Rear Panel Assembly FAN Assembly GPIB Cable Power Inlet Assembly PCA E4980 USB Binding Post Sgl Inverter Front Panel Key Pad and Key Flex Circuit Display Interface Chapter 6 95 Step 1 Step 2 NOTE Step 3 Step 4 Step 5 Step 6 Step 7 Step 1 NOTE Replacement Procedure 3 4 Rack Module Top Replacement 3 4 Rack Module Top Replacement Tools Required Torque screwdriver TORX T20 Removal Procedure Refer to Figure 6 1 Figure 6 2 Figure 6 3 and for this procedure Disconnect the power cable from the E4980A E4980AL Remove the handle front bumper and rea
48. Keysight E4980A EA980AL Precision LCR Meter KEYSIGHT Service Guide TECHNOLOGIES Precision LCR Meter NOTICE This document contains references to Agilent Technologies Agilent s former Test and Measurement business has become Keysight Technologies For more information go to www keysight com KEYSIGHT TECHNOLOGIES Notices Keysight Technologies 2006 2015 No part of this manual may be repro duced in any form or by any means including electronic storage and retrieval or translation into a foreign language without prior agreement and written consent from Keysight Tech nologies as governed by United States and international copyright laws Manual Printing History The manual s printing date and part number indicate its current edition The printing date changes when a new edition is printed minor corrections and updates that are incorporated at reprint do not cause the date to change The manual part number changes when extensive technical changes are incorporated Manual Part Number E4980 90120 Edition March 2006 First edition E4980 90100 April 2006 Second edition October 2007 Third edition E4980 901 10 August 2008 Fourth edition E4980 90120 August 2010 Fifth edition August 2014 Sixth edition September 2015 Seventh edition Printed in Malaysia Keysight Technologies Warranty The material contained in this doc ument is provided as is and is sub
49. ROM write error Fan failed or Power failed is displayed during the measurement process go to Power On Sequence Troubleshooting on page 35 check booting process Step 3 Check the basic function If the front panel LCD display data storage remote interface or another function except for measurement part does not work correctly go to Function Specific Troubleshooting on page 46 Step 4 Check the measurement function gt o D n 3 O O ao If the E4980A E4980AL fails any of the performance tests go to Performance test failure troubleshooting on page 63 A faulty part should be replaced as outlined in Chapter 5 which gives replacement procedures for each part The procedures required after part replacement are given in Chapter 6 Chapter 4 33 Troubleshooting To Troubleshoot the Instrument Figure 4 1 Display and Boot up Problems Power on Power up normally Power on test pass Error message is displayed Go to Function Specific Troubleshooting To Check the LCD Primary trouble isolation flowchart Go to Power on Sequence Troubleshooting Go to Troubleshooting Using Service Function Go to Power on Sequence Troubleshooting n case of display scan brightness and color problems Problems on Measurement Performance and Measurement Result Power on Y Power on test Power on tes
50. SD can damage the highly sensitive microcircuits in your instrument ESD damage is most likely to occur as the test fixtures are being connected or disconnected Protect them from ESD damage by wearing a grounding strap that provides a high resistance path to ground Alternatively ground yourself to discharge any static charge built up by touching the outer shell of any grounded instrument chassis before touching the test port connectors Safety Summary When you notice any of the unusual conditions listed below immediately terminate operation and disconnect the power cable Contact your local Keysight Technologies sales representative or authorized service company for repair of the instrument If you continue to operate without repairing the instrument there is a potential fire or shock hazard to the operator nstrument operates abnormally nstrument emits abnormal noise smell smoke or a spark like ight during operation nstrument generates high temperature or electrical shock during operation Power cable plug or receptacle on instrument is damaged Foreign substance or liquid has fallen into the instrument Precision LCR Meter Manufacturer s Declaration Herstellerbescheinigung GERA USCHEMISSION LpA 70 dB am Arbeitsplatz normaler Betrieb nach DIN 45635 T 19 Manufacturer s Declaration ACOUSTIC NOISE EMISSION LpA 70 dB operator position normal operation per ISO 7779 Precision L
51. TEST Use the cursor key to highlight the selection item to the right of TEST No 1 in Figure 4 4 Select the number corresponding to the test that you want to perform by using the INCR and DECR softkeys Press EXECUTE TEST START 2 in Figure 4 4 to execute the selected test item Self test screen and procedure SELF TEST 1 SYSTEM 1 SYSTEM 2 USER DATA 3 BATTERY 4 KEY 9 DISPLAY 6 BIAS INTERFACE HANDLER INTERFACE 8 SCANNER INTERFACCE Enter test number or select e4980auj 1040 SERVICE Page The results of the power on test or the self test SYSTEM USER DATA and BATTERY can be saved into a USB memory Pressing the System key followed by the SERVICE softkey opens the SERVICE page This page is read only 40 Chapter 4 Troubleshooting Troubleshooting Using Service Function This page displays the system information of E4980A E4980AL and allows you to save the displayed information into the USB memory but does NOT allow you to modify or delete the information NOTE The system information of E4980A E4980AL may be used for the purposes of support and repair by Keysight Technologies but will never be used for any other purposes Figure 4 5 SERVICE Page lt SERVICE gt 22 SYSTEM POWER ON INFO SYSCAL REV BBB SYSTEM SYSCAL DATE 6688 66 88 CONFIG SELF TEST SERVICE MORE Use Softkeus to select Monitor e4980aue1147 sl Monitor Informati
52. an Assembly Figure 5 12 Fan Assembly e4980ase1009 v lt gt NEL 1 6 2 Table 5 13 Fan Assembly Ref Keysight Part Qty Description Desig Number 1 0361 1890 4 RIVET PUSH IN 8 MM HEAD DIA 4 MM BODY DIA 2 E4980 61613 1 FAN ASSY 86 Chapter 5 Figure 5 13 Replaceable Parts Replaceable Parts List Interface Option Assembly Option 301 e4980ase1010 Interface Option Assembly Option 201 Option 710 Table 5 14 Interface Option Assembly Ref Keysight Part Qty Description Desig Number 1 E4980 66606 1 CURRENT BIAS I F Option 002 2 E4980 00206 1 DC BIAS PANEL Option 002 3 0515 0430 2 SCREW MACHINE M3 X 0 5 4 E4980 61608 1 UTILITY CABLE ASSY 5 E4980 66607 1 HANDLER I F Option 201 6 E4980 00207 1 HANDLER PANEL Option 201 7 E4980 66608 1 SCANNER I F Option 301 8 E4980 00208 1 SCANNER PANEL Option 301 9 E4980 00202 1 BLANK PANEL Option 710 10 1253 8494 1 PULL UP RESISTOR FOR HANDLER I F Option 201 Chapter 5 87 ge D o D Q D m 7 Figure 5 14 Replaceable Parts Replaceable Parts List Wind Angle Assembly Wind Angle Assembly e4980ase1011 Table 5 15 Wind Angle Assembly Ref Keysight Part Qty Description Desig Number 1 2 3 E4980 01201 5041 7719 0515 4830 ANGLE WIND 3 4 RACK MODULE TOP SCREW MACH PAN HD MA X 0 7 88 Chapter 5
53. andard to the UNKNOWN terminal on the E4980A E4980AL s front panel Turn the E4980A E4980AL ON Press System Press the SELF TEST softkey to display the SELF TEST page Use the CURSOR arrow keys to move the cursor to the TEST MENU field Use the softkeys to select the SCANNER INTERFACE test Softkey Function INCR Increments the test number of the Test Menu DECR Decrements the test number of the Test Menu Chapter 4 57 gt o D n 3 O O ao Step 13 Step 14 Step 15 NOTE Step 16 Troubleshooting Function Specific Troubleshooting Press the EXECUTE TEST START softkeys to execute the SCANNER INTERFACE test Confirm that LEDs on the scanner simulator board turn ON in accordance with the E4980A E4980AL settings displayed in the LCD Press the TEST STOP softkey Do not execute any SELF TEST except for the Scanner Interface Test or the E4980A E4980AL will become inoperative Return the switch settings on the scanner interface board to their original settings 58 Chapter 4 Troubleshooting Function Specific Troubleshooting To Check the Bias Current Interface Function Option 002 only This test verifies the bias current interface functions Equipment Table 4 12 Equipment List of the Bias Current Interface Function Test Option 002 only Bias Interface Simulator Keysight p n 42841 65001 Bias Interface Cable Ke
54. art Qty Description Desig Number 1 E4980 25001 1 INSULATOR 0950 5724 1 INVERTER 0515 0658 2 SCREW MACHINE M2 X 0 4 2 N1912 60012 1 DISPLAY INTERFACE 3 N1912 40002 1 DISPLAY SUPPORT 4 2090 1101 1 DISPLAY E4980 25003 2 LCD GASKET SHORT E4980 25004 2 LCD GASKET LONG Chapter 5 77 e 2 o D O D m 7 Table 5 6 NOTE Table 5 7 Replaceable Parts Replaceable Parts List E4980 62005 Sub Assembly Ref Keysight Part Qty Description Desig Number N1912 20005 1 WINDOW EMI SHIELD 5 0515 0661 4 SCREW MACHINE M2 X 0 4 6 E4980 07001 1 EMI SHIELD N1912 20011 1 KEY FLEX CIRCUIT 7 E4980 40012 1 KEYPAD 8 E4980 40001 1 FRONT PANEL 9 N1912 61002 1 CABLE ASSY BACKLIGHT 10 1510 0130 1 BINDING POST SGL 3050 2229 1 WASHER SPR WAVY 6 4 MM ID 2950 0006 1 NUT HEX DBL CHAM 1 4 32 THD 11 0515 4830 2 SCREW MACHINE M4 X 0 7 12 E4980 66609 1 PCA E4980 USB BD 13 E4980 87001 1 NAME LABEL 14 E4980 87002 1 BNC LABEL 15 E4980 87003 1 GND LABEL Due to the lack of compatibility on both generation of LCD display and inverter old Sharp LCD display and inverter should not be mixed and used with new Kyocera LCD Display and LCD inverter LCD Display Inverter and Firmware Compatibility Ref Keysight Part Keysight Part Qty Description Desig Number Number Sharp Kyocera 1 5012 8830 2090
55. as unit 42841 A connected 2 bias units The E4980A E4980AL finds two current bias units 42841 A connected A ALC unable to regulate The voltage level setting is inappropriate for using the ALC function The ALC function does not work and the operation will be the same as when the ALC function is turned off The measurement data status is set to 4 Refer to E4980A E4980AL User s Guide Clear the table first This error occurs when the value of MODE has been changed when the LIMIT TABLE SETUP screen is moved to another screen or the sweep parameter on the LIST SWEEP SETUP screen is changed even though a sweep list for another measurement parameter exists Clear the table first Correction not effective The correction function does not work because the MULTI correction mode is used but the test frequency is not equal to the spot frequency I Improper high low limits The upper limit value is less than the lower limit value Set the lower limit value to less than the upper limit value Incompatible state file The setting file recalled from a USB memory device has been saved using an E4980A E4980AL with a different firmware version or different options There may be some parameters set up incorrectly Check the setting 156 Appendix D Error Messages Warning Message S Signal source overload e m x x o D 5 Q D 09 The signal source is overloaded The measurement data is not
56. asurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the Institution s calibration facility or by the calibration facilities of other International Standards Organization members Documentation Warranty The material contained in this document is provided as is and is subject to being changed without notice in future editions Further to the maximum extent permitted by applicable law Keysight disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not limited to the implied warranties of merchantability and fitness for a particular purpose Keysight shall not be liable for errors or for incidental or consequential damages in connection with the furnishing use or performance of this document or any information contained herein Should Keysight and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement will control Exclusive Remedies The remedies provided herein are Buyer s sole and exclusive remedies KeysightTechnologies shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Assistance Product maintenance agreements and other customer assistance agreements are ava
57. be sent after the instrument has entered the wait for trigger state U Undefined header A command not defined in this instrument though not illegal in the syntactic structure has been received For example when the message OUTP DC ISOL FREQ AUTO ON is sent instead of the correct program message OUTP DC ISOL LEV AUTO ON the message sent is received as an undefined command by this instrument See the command 154 Appendix D 14 45 Error Messages Error Messages reference and use the correct command V V bias disabled The DC voltage bias is set when the 42841A is connected Set the DC current bias or disconnect the 42841A Valid in single mode only SINGLE channel correction data is measured when the MULTI channel correction mode is set Appendix D 155 e m x x o D 5 Q D 09 Error Messages Warning Message Warning Message A warning message is dispalyed in the instrument status display area in the lower left part of the display Pressing any of the front panel keys or executing the DISP CCL command clears the message This message simply appears on the display since it is not known to remote environments such as GPIB This message is not displayed when another error message has been already displayed in the instrument message warning area The warning messages for this instrument are as follows Numeric 11 bias unit The E4980A E4980AL finds one current bi
58. booting process and power on test result Frequency Accuracy Test DC Source Level Monitor Accuracy Test for opt 001 DC Bias Level Accuracy Test for opt 001 AC Signal Level Accuracy Test Impedance Measurement Accuracy Test DCR Measurement Accuracy Test for opt 001 USB Board No adjustment needed Inspect the booting process and power on test result To Check the Front USB port on page 47 Power Supply No adjustment needed Inspect the booting process and power on test result Fan Assembly No adjustment needed Inspect the booting process and power on test result LCD Assembly No adjustment needed Inspect the booting process and power on test result To Check the LCD on page 47 DC Bias Level Accuracy Test for opt 001 Key Assembly No adjustment needed Inspect the booting process and power on test result To Check the Front Panel on page 47 DC Bias Level Accuracy Test for opt 001 201 Handler I F option No adjustment needed Inspect the booting process and power on test result To Check the Handler Interface Function Option 201 only on page 51 301 Scanner I F option No adjustment needed Inspect the booting process and power on test result To Check the Scanner Interface Function Option 301 only on page 55 Chapter 7 135 ar O 09 T O 2 ar Q O D Q
59. ct your nearest Agilent sales office for information 4287a0j005 146 Appendix C g m x x o D n 5 Q D n Error Messages The Keysight E4980A E4980AL provides error messages to indicate its operating status This appendix describes the error messages of the E4980A E4980AL in alphabetical order 147 1103 62 160 168 140 148 144 100 41 Error Messages Error Messages Error Messages An error message is displayed in the instrument status display area in the lower left part of the screen Pressing the cursor arrow key on the front panel or executing the DISP CCL command clears the error message Moreover about a specific error message when a Sweep is started again the display of an error message may disappear Errors caused by operation of a front panel key simply appear on the display with a few exceptions these are not stored in the error queue The log of an error message a maximum of 100 pieces are recorded and it can go back and check from the oldest error Executing the SYST ERR command checks error logs This operation can be performed only by SCPI command It cannot be operated from the front panel An error with a positive error number is one uniquely defined for this instrument On the other hand an error with a negative error number is basically one defined for common GPIB devices in IEEE488 2 A A1 EEPROM write error An error is gen
60. d Replacement A3 Analog Daughter Board Replacement Tools Required Torque screwdriver TORX T10 Torque screwdriver TORX T20 Removal Procedure Refer to Figure 6 4 and for this procedure Remove the 3 4 rack module top as described in 3 4 Rack Module Top Replacement on page 96 Disconnect the front USB cable item 1 from the front panel assembly Disconnect the LCD cable item 2 from the Al Mother Board Disconnect the power supply cable item 3 from the A3 Analog Daughter Board Pull out the power supply cable straight without touching the hook on the cable connector Disconnect the two SMB cables item 4 from the A3 Analog Daughter Board Disconnect the Analog Source Cable item 5 from the A3 Analog Daughter Board Remove the four TORX T10 screws item 6 fastening the A3 Analog Daughter Board Remove the A3 Analog Daughter Board Replacement Procedure Reverse the order of the removal procedure When you replace the A3 Analog Daughter Board stick the Foot Bumper item 7 to the backside of the board as location of sub figure in Figure 6 4 When you fasten the A3 Analog Daughter Board with the four TORX T10 screws set screwdriver s torque to 8 7 in Ib When you connect the LCD Cable to the Al Mother Board make sure the LCD Cable lies beneath the Analog Source Cable 100 Chapter 6 acement Procedure Replacement Procedure A3 Analog Daughter Board Replacement A3 Analog Daughter Board Removal
61. date the E4980A E4980AL firmware refer to this appendix 139 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Firmware Update Update the E4980A E4980AL firmware using USB GPIB interface Update the E4980A E4980AL firmware using USB GPIB interface Required Equipment E4980A E4980AL e 82357A USB GPIB interface Personal Computer with I O Libraries Suite Windows 2000 XP 7 How to update E4980A E4980AL firmware using USB GPIB interface The following is the procedure to update the E4980A E4980AL firmware using USB GPIB interface Connect the USB GPIB interface from the USB terminal in your computer to the GPIB terminal in the E4980A E4980AL rear panel Then turn the E4980A E4980AL on Copy the following file from Keysight Technologies web site to the temporary work folder in your computer s HDD fw upd exe Execute the Command Prompt on your computer Change the current folder to the temporary working folder with the fw upd exe file using cd command Enter fw upd exe GPIBO 17 INSTR command to execute the firmware update program The numerical value of 17 in the command is GPIB address of the E4980A E4980AL Then press the Enter key Wait a few minutes until the command prompt is displayed again Press System key on the E4980A E4980AL front panel to check the firmware revision 140 Appendix B Firmware Update Update the E4980A E4980AL firmware using USB cable Up
62. date the E4980A E4980AL firmware using USB cable Required Equipment E4980A E4980AL USB cable connecting the E4980A E4980AL and external controller with type A 4 prong male or type mini B 5 prong male connectors depending on device used Personal Computer with I O Libraries Suite Windows 2000 7 How to update E4980A E4980AL firmware using USB cable The following is the procedure to update the E4980A E4980AL firmware using USB cable Step 1 Connect the USB cable from the USB terminal in your computer to the USB terminal in the E4980A E4980AL rear panel Then turn the E4980A E4980AL on Step 2 Copy the following file from Keysight Technologies web site to the temporary work folder in your computer s HDD fw upd exe Step 3 Execute the Command Prompt on your computer Step 4 Change the current folder to the temporary working folder with the fw_upd exe file using cd command Step 5 Enter fw upd exe USB0 2391 2313 MY12345678 0 INSTR command to execute the firmware update program The enterd value of 2391 2313 MY 12345678 in the command is USB ID of the E4980A E4980AL and the enter value of MY 12345678 is serial number of the E4980A E4980AL Then press the Enter key Step 6 Wait a few minutes until the command prompt is displayed again Step 7 Press System key on the E4980A E4980AL front panel to check the firmware revision II 3 a D A
63. dditional hazards do not install substitute parts or perform unauthorized modifications to the instrument Return the instrument to an Keysight Technologies Sales and Service Office for service and repair to 8 Precision LCR Meter ensure that safety features are maintained in operational condition Dangerous Procedure Warnings Warnings such as the example below precede potentially dangerous procedures throughout this manual Instructions contained in the warnings must be followed WARNING Dangerous voltage levels capable of causing death are present in this instrument Use extreme caution when handling testing and adjusting this instrument Precision LCR Meter Safety Symbols General definitions of safety symbols used on the instrument or in manuals are listed below AN 1 10 Instruction Manual symbol the product is marked with this symbol when it is necessary for the user to refer to the instrument manual Alternating current Direct current On Supply Off Supply In position of push button switch Out position of push button switch A chassis terminal a connection to the instrument s chassis which includes all exposed metal structure Standby Precision LCR Meter Certification Keysight Technologies certifies that this product met its published specifications at the time of shipment from the factory Keysight Technologies further certifies that its calibration me
64. defined data buffer memory size If this error occurs during the measurement after pressing Save Recall SAVE DATA START LOG press SAVE amp STOP Data corrupt or stale The setting file or correction data to be read cannot be read out with the current firmware version because the setting file or correction data is corrupt or old Data out of range A data element not violating the standard outside the range defined by this instrument has been received This error occurs for example when an integer based command for which the parameter can be rounded exceeds the range of 2147483648 to 2147483647 or when a real number based command for which the parameter can be rounded exceeds the range of 9 9e37 to 9 9e37 This error also occurs when a numeric value other than a specified one is entered into a command in which the BIN number and list table number are specified as parameters and thus the parameters are not rounded Data type error Improper data type used for example string data was expected but numeric data was received DC bias I sink overload DC bias sink current is overloaded When this error occurs lower the value of the current setting DC bias source overload DC bias source current is overloaded When this error occurs lower the value of the current setting DC bias not available DC bias cannot be turned on in Rdc measurement DC bias opt not installed Appendix D 149 e m x x o
65. dministrator for the appropriate IP settings tically gt x Q 1 i 9 address 192 168 0 2 0 0n Subnet mask 255 255 255 0 e Default gateway e Dbtain DNS server address automatically Co FF Use the following DNS server addresses Preferred DNS server Alternate DNS server P Advanced Cancel e4980ase1055 Step 8 By clicking OK button the network settings take effect Verify the E4980A E4980AL LAN settings and response to a command from the external computer as follows a On the external computer click Start button in the Windows Start menu bar using mouse Chapter 4 49 Figure 4 7 Figure 4 8 Troubleshooting Function Specific Troubleshooting b Click Programs and MS DOS Prompt or Command Prompt to open the DOS Command Prompt window Type a ping command followed by the E4980A E4980AL IP address as ping XXX XXX XXX XXX where xxx xxx xxx xxx is the IP address such as 192 168 0 1 assigned in step 3 d Press Enter key on the keyboard d The external computer displays a message of ping command response from the E4980A E4980AL Figure 4 7 shows an example of normal result that indicates the IP address packet size and a response time counted by the computer The ping command is repeated 4 times Example of normal ping command test result MS DOS Prompt If the E4980A E4980AL doesn t r
66. dure Power Inlet Assembly Replacement Power Inlet Assembly Replacement Tools Required Torque screwdriver TORX T20 Torque screwdriver TORX T8 Torque screwdriver TORX T10 Box torque wrench 5 8 inch Removal Procedure Refer to Figure 6 14 for this procedure Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Remove the PPMC PCA as described in PPMC PCA Replacement on page 107 Remove the A1 Mother Board as described in A1 Mother Board Replacement on page 109 Disconnect the power cable connector item 1 from the Power Supply Assembly Remove the TORX T20 screw item 2 fastening the ground cable Remove the two TORX T10 screws item 3 fastening the Inlet Assembly Remove the Inlet Assembly item 4 from the Rear Panel Detach the fuse box item 5 from the original Inlet Assembly and remove the fuse item 6 Replacement Procedure Reverse the order of the removal procedure When you fasten the ground cable with the TORX T20 screw set screwdriver s torque to 2 1 in Ib When you fasten the Inlet Assembly with the two TORX T10 screws set screwdriver s torque to 8 7 in Ib Do not forget to insert the fuse in the new Inlet Assembly Chapter 6 121 O 5 O D E gt U x O D Q 1 Replacement Procedure Power Inlet Assembly Replacement POWER INLET Assembly Removal Figure 6 14 e4
67. e 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Remove the PCA E4980 USB as described in PCA E4980 USB Replacement on page 123 Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page 100 Remove the A2 Analog Board as described in 2 Analog Board Replacement on page 102 Remove the Front Panel Assembly as described in Front Panel Assembly Removal on page 104 Disconnect the Display Cable item 1 from the Key Flex Circuit Carefully remove the Display Support with the LCD display item 2 from the Front Panel When removing the Display Support release the hook flat cable side of the Display Support first and then carefully release the other hooks of the Display Support Be careful not to break the hooks Remove the Front Panel item 3 from the Key Pad item 4 the Window EMI Shield item 5 the Key Flex Circuit item 6 and the EMI Shield item 7 Replacement Procedure Reverse the order of the removal procedure 128 Chapter 6 Replacement Procedure Front Panel Key Pad and Key Flex Circuit Replacement Figure 6 18 Front Panel Key Pad and Key Flex Circuit Removal D D O 3 v x D 2 4980 1036 Chapter 6 129 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 1 NOTE Replaceme
68. e A2 Analog Board with the five 5 8 inch nuts and washers set box torque wrench s torque to 17 4 in Ib When you fasten the A2 Analog Board with the four 7 mm Standoff set box torque wrench s torque to 8 7 in Ib 102 Chapter 6 Replacement Procedure A2 Analog Board Replacement lacement Procedure 9 A2 Analog Board Removal Figure 6 5 e4980ase1027 103 Chapter 6 Replacement Procedure Front Panel Assembly Removal Front Panel Assembly Removal Tools required Torque screwdriver TORX TIO Torque screwdriver TORX T20 Box torque wrench 7 mm Box torque wrench 5 8 inch Removal Procedure The Front Panel Assembly removal process is same as A2 Analog Board removal process Refer to removal procedure of the A2 Analog Board Replacement on page 102 Replacement Procedure The Front Panel Assembly replacement process is reverse order of the A2 Analog Board removal process Refer to removal procedure of the A2 Analog Board Replacement on page 102 104 Chapter 6 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 1 NOTE Replacement Procedure Option Interface Replacement Option Interface Replacement Tools Required Torque screwdriver TORX T10 Removal Procedure Refer to Figure 6 6 for this procedure Remove the two TORX T10 screws item 1 fastening the Option Interface Pulls the Option Interface carefully Carefully disconnect
69. e test adjustment troubleshooting and repairing the instrument Chapter 2 Performance Test This chapter provides the outline of the E4980A E4980AL performance tests Chapter 3 Adjustment This chapter provides the adjustment information for the E4980A E4980AL to ensure that it is within its specifications The adjustment must be performed Keysight s qualified service personnel If you need the adjustment for your E4980A E4980AL it should be sent to the nearest Keysight Technologies service office Chapter 4 Troubleshooting This chapter provides the procedure to isolate a faulty assembly in the E4980A E4980AL Chapter 5 Replaceable Parts This chapter contains information for ordering replacement parts for the E4980A E4980AL Chapter 6 Replacement Procedure This chapter provides procedure for removing and replacing the major assemblies in the E4980A E4980AL Chapter 7 Post Repair Procedures This chapter lists the procedures required to verify the E4980A E4980AL operation after an assembly is replaced with a new one Appendix A Manual Changes This appendix contains the information required to adapt this manual to versions or configurations of the E4980A E4980AL manufactured earlier than the current printing date of this manual The information in this manual applies directly to E4980A E4980AL units with the serial number that is printed on the ti
70. ective A fault has occurred in a circuit to absorb back emf of the 42842A B Confirm the connection to the 42842A B Fixture cover open The protective cover of the 42842A B is open Close the cover Fixture OPEN det defective The opening and closing detection sensor of the 42842A B protective cover detects an 150 Appendix D 22 30 105 70 114 73 224 51 161 101 141 121 Error Messages Error Messages error When this error occurs contact Keysight Technology s Sales and Service Office or the company from which you bought the device Fixture over temperature The temperature inside the 42842 AJB bias test fixture exceeds the limit Turn off the DC bias and cool down the equipment Function type not available The Ls Rdc Lp Rdc and Vdc Idc are not available when the 42841A is connected G GET not allowed GET is not allowed inside a program message H Handler I F not installed The handler interface function is set to ON in a model that does not have a handler interface board option 201 Header Suffix out of Range The header suffix is out of range I I BIAS I F not installed The DC bias interface function is set to ON in a model that does not have the DC bias interface board option 002 Illegal parameter value The parameter value is not properly set This error occurs for example when the FUNC IMP command is used to specify an Impedance parameter that does not ex
71. erated while writing data to Al EEPROM When this error occurs contact Keysight Technology s Sales and Service Office or the company from which you bought the device B Bias off Turn bias on DC bias sweep is performed with the DC BIAS function OFF Block data error Block data is improper Block data not allowed Block data is not allowed Character data error Character data is improper Character data not allowed Character data not allowed for this operation Character data too long Character data is too long maximum length is 12 characters Command Error Improper command Correction measurement aborted 148 Appendix D 1201 1200 29 90 230 222 104 26 25 19 18 Error Messages Error Messages Correction data measurement is aborted CPU Bd EEPROM write error An error is generated while writing data to EEPROM When this error occurs contact Keysight Technology s Sales and Service Office or the company from which you bought the device CPU Bd FLASH ROM write error An error is generated while writing data to FLASH When this error occurs contact Keysight Technology s Sales and Service Office or the company from which you bought the device Cycle power of 42841A and Preset The connection was not established with the 42841A Cycle the power of the 42841A then preset the E4980A E4980AL D Data buffer overflow This error occurs when the amount of data exceeds the
72. erface board A1 board and relevant cables 3 Three LEDs 3 3V 5V and PWR GD on the Al board should be on If the LEDs don t light a problem in the A1 board is suspected 4 The fan should be rotating and audible If the fan doesn t run it is probably defective 5 Three LEDs for DC Source DS Bias and USB should be on temporarily If these LEDs don t light check the USB board Al board and the relevant cable 6 The LED on the display interface board should blink If the LED doesn t blink check the display interface board the A1 board and the relevant cable 7 Three LEDs for DC Source DC Bias and USB should go out 8 The firmware revision and hardware option information along with copyright declaration should be displayed If nothing is displayed check the LCD display interface board inverter board and the relevant cables 9 The power on test should be executed once automatically before the measurement starts If the power on test fails an error code or an error message is displayed For more details refer to Troubleshooting using service function 10 The measurement view should be displayed 11 If the following error message A1 EEPROM write error is displayed during the ee measurement process a problem in the A1 board is suspected S 12 If the following error message CPU Bd EEPROM write error or CPU Bd FLASH ROM write error is displayed during the measurement process a problem in the 2
73. ests to probable faulty board assemblies If power on test failed is displayed or self test fail is displayed replace the faulty board assembly as shown in Table 4 4 Table 4 4 Power on test self test failure troubleshooting information Test Test Test Name Error Code Probable faulty board assembly group No Message A1 A2 A3 BiasIF Handler Scanner PPMC CPU 1 CPU Test 1 ffff HHH 2 CPU Test 1 ff HHH System 1 A1 FPGA check 0x01 HHH 2 A2 FPGA check 0x02 TH HHH 3 Al Revision check 0x04 4 A2 Revision check 0x08 THE 5 Revision check 0x10 THE Data 1 System Data 0x01 THHE 2 SysCal Data 0x02 T HHH 3 Flash File system 0x04 HHH check 4 Test Limit Data 0x08 Hitt Option 1 Option 002 Off 0x01 TH HHH check 2 Option 002 On 0x02 TH THE check 3 Option 201 Off 0x04 TH HHH check 4 Option 201 On 0x08 TH THE check 5 Option 301 Off 0x10 TH HHH check 6 Option 301 On 0x20 TH HH check 7 Option consistency 0x40 check 44 Chapter 4 Troubleshooting Troubleshooting Using Service Function Table 4 4 Power on test self test failure troubleshooting information Test Test Test Name Error Code Probable faulty board assembly group No Message A1 A2 A3 BiasIF Handler Scanner PPMC Al 1 A1_DCBUS_M12V 0x01 HHH 2 A DC
74. eturn the response the external computer displays a message of Request timed out as shown in Figure 4 8 In this case a failure in the PPMC PCA is suspected Example of no response for ping command MS DOS Prompt x w s tue Ex efe A Ap Minimum WINDOWS gt To Check the GPIB Procedure Perform the E4980A E4980AL performance test program If the controller cannot detect the E4980A E4980AL the problem seems in the PPMC PCA or the connection of the GPIB cable 50 Chapter 4 Troubleshooting Function Specific Troubleshooting To Check the USB USBTMO Interface Card Procedure Connect the USB cable between the controller PC and the E4980A E4980AL Turn the controller PC on If the E4980A E4980AL cannot detect the controller PC the problem seems in the USB USBTMC Interface of the PPMC PCA is suspected To Check the Handler Interface Function Option 201 only Perform this test only when troubleshooting the Option 201 Handler Interface Board This test verifies the handler interface functions Equipment Table 4 6 Equipment List of the Handler Interface Function Test Option 201 only Handler Simulator Keysight p n 04278 65001 Procedure Step 1 Disconnect the power cable from the E4980A E4980AL and allow 1 minute for the internal capacitors to discharge NOTE Dangerous energy voltage exists when the E4980A E4980AL is in operation and for a time after it is powered dow
75. f the removal procedure When you fasten the CPU cover with the TORX T10 screw set screwdriver s torque to 8 7 in Ib When you fasten the Power Supply Assembly with the 5 5 mm Standoff set box torque wrench s torque to 7 in Ib When you replace the Power Supply Assembly with a new one use a new power cable P N E4980 61601 Chapter 6 111 O 5 O D E gt U x O D Q 1 Replacement Procedure Power Supply Assembly Replacement Power Supply Assembly Removal Figure 6 9 OOOO O OC JOO S Wa ak YC IC 250 250 CODO 22050 SA OKC so ac OKO SOGO uU O50 505 p
76. face cable when you execute this step Figure 4 15 Bias Current Interface Function Test Setup BIAS I F SIMULATOR To BIAS CURRENT INTERFACE Connector DC POWER SUPPLY 99A 41 ND dl 3 OQ F um jjooo0 4980 1047 Step 4 Turn the E4980A E4980AL Step 5 Press System Step 6 Press the SELF TEST softkey to display the SELF TEST page Step 7 Use the CURSOR arrow keys to move the cursor to the TEST MENU field Step 8 Use the softkeys to select the BIAS INTERFACE test Softkey Function 2 INCR Increments the test number of the Test Menu DECR Decrements the test number of the Test Menu Step 9 Press the EXECUTE TEST START softkeys to execute the BIAS INTERFACE test NOTE Check the settings of S1 and S2 described in the Step 1 if the E4980A E4980AL s LCD displays Illegal Test Setup Step 10 Confirm the RESET LED on the bias interface simulator turns ON Step 11 Confirm CSO and CS1 LEDs on the simulator turns ON as the E4980A E4980AL s output Chapter 4 61 Step 12 Step 13 Figure 4 16 Troubleshooting Function Specific Troubleshooting signal is displayed on the LCD Refer to Figure 4 16 Confirm that ADRS1 ADRS6 LEDs on the simulator turn ON in accordance with
77. guaranteed to be valid The measurement result data status of the measurement result output is set to 3 When measuring Ls Rdc Lp Rdc set both RANGE and DCR RNG properly or OVERLOAD will be displayed Signal source overvoltage The signal source voltage exceeds its limit Lower the voltage setting of the signal source Appendix D 157 KEYSIGHT TECHNOLOGIES This information is subject to change without notice Keysight Technologies 2006 2015 Edition 7 September 2015 EADED 0120 E4980 90120 www keysight com
78. he power cable from the E4980A E4980AL and allow minute for the internal capacitors to discharge Dangerous energy voltage exists when the E4980A E4980AL is in operation and for a time after it is powered down Allow 1 minutes for the internal capacitors to discharge Remove the Scanner Interface Board according to the procedure for describing in Scanner Interface Chapter of the User s Guide The interface board contains electronic components that can be damaged by static electricity through electrostatic discharge ESD To prevent ESD damage maintain frequent contact with any bare sheet metal surface on the chassis A grounding wrist strap or similar device is useful for this purpose Handle the board carefully at all times Avoid touching electronic components or circuit paths Before performing Step 3 note the switch settings on the scanner interface board in order to return them to the same settings at the end of this function test Set 51 and 52 on the scanner interface board to the same settings as when the board is shipped from the factory referring to Figure 4 12 Table 4 10 and Table 4 11 Chapter 4 55 gt D 2 2 e ce Troubleshooting Function Specific Troubleshooting Figure 4 12 Switches Setting 51 me o9 gt m OFF lt ON OFF ON
79. ight of TEST No Step 3 Select 5 DISPLAY using the INCR or DECR softkey Step 4 Press EXECUTE TEST START The whole of the LCD screen turns Red Green Blue Black and White every 2 seconds Step 5 To exit the DISPLAY test press TEST STOP and then press Return Ifthe LCD display has a problem check the LCD and the display interface board Ifthe LCD is not illuminated with backlight check the inverter board 5 pa c D m gt To Check the Front USB port Procedure Step 1 Plug a USB memory formatted with FAT16 or FAT32 NOTE The following USB memory can be used Complies with USB 1 1 mass storage class FAT16 FAT32 format maximum consumption current is below 500 mA Recommended USB memory Keysight 512 MB USB Flash memory Keysight PN 1819 0195 Use the prepared USB memory device exclusively for the E4980A E4980AL otherwise Chapter 4 47 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 1 NOTE Step 2 Troubleshooting Function Specific Troubleshooting other previously saved data may be cleared If you use a USB memory other than the recommended device data may not be saved or recalled normally Press Save Recall Use the cursor keys to select the MEDIA field Press the EXT softkey Use the cursor keys to select
80. ilable for Keysight Technologies products For any assistance contact your nearest KeysightTechnologies Sales and Service Office Addresses are provided at the back of this manual Precision LCR Meter 11 Manuals for E4980A E4980AL 12 Keysight provides the following manuals for E4980A E4980AL The latest version of all documentations can be downloaded from http www keysight com find e4980a manual Installation Guide The installation guide provides start up setup information when you use the E4980A E4980AL for the first time system recovery procedures and troubleshooting information when Windows cannot boot up See this manual first when you use the E4980A E4980AL for the first time Service Manual The service manual this manual provides troubleshooting information when operational problems are encountered on the E4980A E4980AL See this manual when you need to troubleshoot the E4980A E4980AL Precision LCR Meter Contents 1 General Information Organization of Service 1 20 Instruments Covered by This 1 21 Required 2555 ee ee E bx ee Sek e m SCR ROS Rho es 22 2 Performance Test Introduction Re RE UE E RE 24 Test Equipment Required 2 1 41 4
81. instrument frame The type of power cable shipped with each instrument depends on the country of destination Refer to Figure C 3 for the part numbers of the power cables available For protection from electrical shock the power cable ground must not be defeated The power plug must be plugged into an outlet that provides a protective earth ground connection Appendix C 145 o 2 5 3 E Figure C 3 Power Requirement Power Requirements Power Cable Supplied OPTION 900 United Kingdom Plug BS 1363 A 250V 10A Cable 8120 1351 OPTION 902 Continental Europe Plug CEE 7 Standard Sheet VII 250V 10A Cable 8120 1689 OPTION 904 U S Canada Plug NEMA 6 15P 250V 6A Cable 8120 0698 OPTION 912 Denmark Plug SR 107 2 D 250V 10A Cable 8120 2956 OPTION 918 Plug JIS C 8303 125V 12A Cable 8120 4753 OPTION 921 Plug CEI 23 16 250V 10A Cable 8120 6978 OPTION 901 Australia New Zealand Plug AS 3112 250V 10A Cable 8120 1369 OPTION 903 U S Canada Plug NEMA 5 15P 125V 10A Cable 8120 1378 OPTION 906 Switzerland Plug SEV Type 12 250V 10A Cable 8120 2104 OPTION 917 Plug IEC 83 B1 250V 10A Cable 8120 4211 OPTION 920 Argentina Plug Argentine Resolution 63 Annex IV 250V 10A Cable 8120 6870 OPTION 922 Plug GB 1002 250V 10A Cable 8120 8376 If you want to use a power cable other than the supplied one conta
82. is failed an error code or an error message is also displayed You can identify a failure section with the error code or the error message The error code or error message is related to each test group as shown in Table 4 4 For example the first item of the error code is for CPU test group second item is for System test group and seventh item is for A3 test group The value for each test group is given in hexadecimal Example of error code Power on test failed 0 0 0 0 0 3f 1f When the test no 1 or 2 of System test group fails tests of Al A2 A3 test groups are not performed In case of this failure the value for the fifth sixth and seventh item is indicated as ffff Self Test The Self Test can perform some test items of the power on test Pressing the System key followed by the SELF TEST softkey opens the SELF TEST page The SELF TEST page intended for maintenance and repair allows you to check the digital and analog behavior of E4980A E4980AL You can choose one of the available test items with the cursor placed in the corresponding field parenthesized field Choosing a Test Item TEST No field Figure 4 3 shows the fields available on this page along with the softkeys corresponding to them 38 Chapter 4 Troubleshooting Troubleshooting Using Service Function Figure 4 3 SELF TEST Page SELF TEST LEY TEST No 1 SYSTEM SYSTEM 1 SYSTEM iid 2 USER DATA 3 BATTERY SELF 4 KEY TEST 5 DISPLAY
83. ist as CPRS Inconsistent limit setting For the comparator function user attempts to set the threshold in the sequential mode by sending the COMP SEQ BIN command although the tolerance mode is now selected Select the sequential mode using COMP MODE Invalid block data Invalid block data was received for example END received before length satisfied Invalid character Invalid character was received Invalid character data Bad character data or unrecognized character data was received Invalid character in number Invalid character in numeric data Appendix D 151 e m m m z D D Q D 09 171 103 151 131 250 43 109 83 60 128 128 83 Error Messages Error Messages Invalid expression Invalid expression was received for example illegal character in expression Invalid separator The message unit separator for example is improper Invalid string data Invalid string data was received for example END received before close quote Invalid suffix Units are unrecognized or the units are not appropriate M Mass storage error An error occurred while accessing the USB memory A USB memory related error other than 257 error File Name Error occurred Measurement failed A measurement error occurred during correction data measurement The OPEN or SHORT state connected to the UNKNOWN terminals may be inappropriate Missing pa
84. ject to being changed without notice in future editions Further to the maximum extent permitted by applicable law Keysight dis claims all warranties either express or implied with regard to this manual and any information contained herein including but not limited to the implied warranties of merchantability and fitness for a particular purpose Keysight shall not be liable for errors or for inci dental or consequential damages n connection with the furnishing use or performance of this docu ment or of any information con tained herein Should Keysight and the user have a separate written agreement with warranty terms covering the material in this docu ment that conflict with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software is for use in the perfor mance of a U S Government prime contract or subcontract Software is delivered and licensed as Commercial computer software as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 June 1987 or any equivalent agency regulation or contract clause Use duplication or disclosure of Software is subjec
85. keys and then press the OFF softkey Step 5 Select the AUTO IP ENABLED field using the cursor keys and then press the OFF softkey Step 6 Enter the following IP address and subnet mask using the enter keys For selecting the MANUAL IP ADDR or MANUAL SUBNET MASK field use the cursor keys IP Address 192 168 0 1 Subnet Mask 255 255 255 0 Step 7 Set up the IP address subnet mask for the external PC a Double click My Computer icon on Windows desktop of the external PC And double click Control Panel The Control Panel window will appear b In the Control Panel window double click Network The Network dialog box will appear In the Configuration tab select TCP IP display it in revers video and press the Properties button The dialog box appears If Specify an IP address has been selected record the IP address and subnet mask d If the Obtain an IP address automatically has been selected select the Specify an IP address Enter the IP address xxx xxx xxx y and subnet mask as shown in Figure 4 6 The letters x represent the IP address and subnet mask of the E4980A E4980AL The letter y is different from the IP address of the E4980A E4980AL Press the OK button Then restart the external PC Figure 4 6 Network Dialog Box IP Address Tab 21x General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network a
86. n Allow 1 minutes for the internal capacitors to discharge Step 2 Remove the Handler Interface Board according to the procedure for describing in Handler Interface Chapter of the User s Guide NOTE The interface board contains electronic components that can be damaged by static electricity through electrostatic discharge ESD To prevent ESD damage maintain frequent contact with any bare sheet metal surface on the chassis A grounding wrist strap or similar device is useful for this purpose Handle the board carefully at all times Avoid touching electronic components or circuit paths NOTE Before performing Step 3 note the jumper and switch settings on the handler interface board in order to return them to the same settings at the end of this function test gt o D n 3 O O ao Step 3 Set the jumpers and switch on the handler interface board to the same settings as when the board is shipped from the factory Refer to Figure 4 9 Table 4 7 and Table 4 8 Chapter 4 51 Figure 4 9 Troubleshooting Function Specific Troubleshooting Jumper and Switch Settings e4980ase1049 Table 4 7 Internal jumper settings Jumper number Jumper position JP1 JP2 3 N 4 The factory default setting is posi
87. nction INCR Increments the test number of the Test Menu DECR Decrements the test number of the Test Menu Step 11 Press the EXECUTE TEST START softkeys to execute the HANDLER INTERFACE test Step 12 Confirm that the LEDs on the handler simulator turn ON in accordance with the E4980A E4980AL s output signals displayed on the LCD The LEDs turns ON light in the sequence shown in Figure 4 11 Figure 4 11 Handler Interface Function Check O OUT OF BINS EXT TRIG UNBAL O AUX BIN x lt lt e O INDEX LED ON Always e4980ase1051 Step 13 Press the TEST STOP softkey NOTE Do not execute any SELF TEST except for the Handler Interface Test or the E4980A E4980AL will become inoperative Step 14 Return the jumper and switch settings on the handler interface board to their original settings 54 Chapter 4 Table 4 9 Step 1 NOTE Step 2 NOTE NOTE Step 3 Troubleshooting Function Specific Troubleshooting To Check the Scanner Interface Function Option 301 only Perform this test only when troubleshooting the Option 301 scanner interface board This test verifies the scanner interface function Equipment Equipment List of the Scanner Interface Function Test Option 301 only Scanner Simulator Keysight p n 04278 65301 DC Power Supply Keysight E3610A 1 Standard Keysight 42030A 42037A Procedure Disconnect t
88. nt Procedure Display Interface Replacement Display Interface Replacement Tools Required Torque screwdriver TORX T10 Torque screwdriver TORX T20 Torque screwdriver TORX T6 Box torque wrench 7 mm Box torque wrench 5 8 inch Removal Procedure Refer to Figure 6 19 for this procedure Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Remove the PCA E4980 USB as described in PCA E4980 USB Replacement on page 123 Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page 100 Remove the A2 Analog Board as described in 2 Analog Board Replacement on page 102 Remove the Front Panel Assembly as described in Front Panel Assembly Removal on page 104 Remove the Inverter as described in Inverter Replacement on page 126 Remove the Front Panel the Key Pad and the Key Flex Circuit as described in Front Panel Key Pad and Key Flex Circuit Replacement on page 128 Remove the four TORX T6 screws item 1 fastening the LCD Display Remove the LCD Display item 2 from the Display Support with the Display Interface Carefully remove the Display Interface item 3 from the Display Support item 4 Replacement Procedure Reverse the order of the removal procedure When you fasten the LCD Display with the four TORX T6 screws set screwdriver s torque to 3 05 in Ib When you replace the LCD Display with anew one
89. o Substitute Keysight 16048E 1 DC Power Supply 5V Keysight E3610A 1 T Handler Simulator No Substitute p n 04278 65001 1 T Scanner Simulator No Substitute p n 04278 65301 1 T Bias Interface Simulator No Substitute p n 42841 65001 1 T Bias Interface Cable GP IO Cable p n 42841 61640 1 T Interface Box No Substitute p n 04294 61002 1 PA Cables BNC m BNC m Cable 122 cm p n 8120 1840 1 Adapter BNC f BNC f Adapter p n 1250 1830 4 Dual Banana BNC f Adapter p n 1251 2277 1 P Performance Test A Adjustment T Troubleshooting 22 Chapter 1 I ar D m E 2 O a n Performance Test This chapter provides the outline of the E4980A E4980AL performance tests 23 NOTE NOTE Table 2 1 Performance Test Introduction Introduction This chapter provides the performance tests outline for Keysight E4980A E4980AL The performance test names are listed in Table 2 1 The test descriptions are described sequentially in the following pages Allow the analyzer to warm up for at least 30 minutes before you execute any of the performance tests Perform all performance tests in an ambient temperature of 23 5 C The performance tests should be performed periodically The recommended test interval is 12 months The test interval depends on maintenance and the environmental conditions under which the instrument is used You may find that the inter
90. oard assembly Num A1 A2 A3 PPMC 1 Null DC offset adjustment HHH 2 Null ADC offset adjustment THHE 3 ADC Linearity adjustment HHH TH 4 DC Bias adjustment HHH 5 DC Level V Monitor adjustment THHE 6 DC Level I Monitor adjustment THHE 7 DC Source adjustment THHE 8 DCR adjustment HHH 9 Impedance adjustment THHE 10 AC level Monitor adjustment THHE 11 OSC Level adjustment THHE Most suspicious assembly Suspicious assembly Possible faulty assembly 64 Chapter 4 Troubleshooting Performance test failure troubleshooting Performance test failure troubleshooting Table 4 15 represents the relationships between the failed test and probable faulty assembly If the performance test failure cannot be removed by a proper adjustment replace the assembly shown in this table Note that this table lists some typical cases There are possibilities that another assembly may be faulty Table 4 15 Performance test failure troubleshooting information Test First failed test Probable faulty board Num assembly A1 A2 A3 PPMC 1 Frequency Accuracy Test H 2 DC Source Level Accuracy Test 3 DC Bias Level Accuracy Test HHH 4 DC Bias V Level Monitor Accuracy Test HHH 5 DC Bias I Level Monitor Accuracy Test 6 AC Signal Level Monitor Accuracy Test HHH 7 AC Signal Level Accuracy Test 8 Impedance Measurement Accuracy Test HHH 9 DCR Measurement Accuracy Te
91. on D The SERVICE page displays the following monitor information which cannot be edited on 2 the SERVICE page Table 4 3 Monitor Description Information POWER ON Displays how many times E4980A E4980AL have been started up and its cumulative power on time SYSCAL Displays the program revision of the adjustment for the E4980A REV E4980AL SYSCAL Displays the date of the last adjustment for the E4980A E4980AL DATE Chapter 4 41 NOTE Example 4 1 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Troubleshooting Troubleshooting Using Service Function Saving the System Information into External Memory The system information of E4980A E4980AL can be saved into external memory The system information may be used for the purposes of support and repair by Keysight Technologies The file location on the USB memory is as follows e4980a system sysinfo txt The system information of E4980A E4980AL may be used for the purposes of support and repair by Keysight Technologies but will never be used for any other purposes To save the system information into external memory Plug a USB memory stick into the front USB port Press System Press the SERVICE softkey Press the MORE softkey Press the SAVE SYS INFO softkey While the data is being saved a PROCESSING message is shown on the display When the data has been saved into the USB memory a Storing data completed message appears
92. ppendix B 141 Firmware Update Update the E4980A E4980AL firmware using USB cable 142 Appendix B Power Requirement e 2 5 3 E 143 Power Requirement Replacing Fuse Replacing Fuse Fuse Selection Select proper fuse according to the Table C 1 Table C 1 Fuse Selection Fuse Rating Type Fuse Part Number 3A 250Vac UL CSA type 2110 1017 Time Delay Setting up the fuse Use the fuse that meets the following specifications UL CSA type Slo Blo 5x20mm miniature fuse 3A 250V part number 2110 1017 Spare fuses are available from Keysight Technologies sales office To check or replace the fuse disconnect the power cable and pull out the fuse holder refer to Figure C 1 towards you refer to Figure C 2 Figure C 1 Fuse holder and power cable socket Power cable receptacle Fuse holder oe T3A 250V e4980ase1039 Figure C 2 Removing the fuse e4980ase1040 144 Appendix C WARNING Power Requirement Power Requirements Power Requirements The E4980A E4980AL requires the following power source Voltage 90 to 132 Vac 198 to 264 Vac Frequency 47 to 63 Hz Power 150 VA maximum Power Cable In accordance with international safety standards this instrument is equipped with a three wire power cable When connected to an appropriate ac power outlet this cable grounds the
93. r bumper item 1 2 3 To remove the handle rotate the handle to a vertical position and pull the arms outwards Work the six TORX T20 screws item 4 loose from the bottom Remove the 3 4 Rack Module Top with the Wind Angle item 5 Remove the seven VENT BLOCKS item 6 from the 3 4 Rack Module Bottom Remove the two TORX T20 screws item 7 fastening the Wind Angle Remove the Wind Angle item 8 from the 3 4 Rack Module Top Replacement Procedure Reverse the order of the removal procedure When you fasten the Wind Angle with the two TORX T20 screws set screwdriver s torque to 21 1 in Ib When you fasten the 3 4 Rack Module Top with the six TORX T20 screws set screwdriver s torque to 21 1 in Ib 96 Chapter 6 6 Replacement Procedure Replacement Procedure 3 4 Rack Module Top Replacement 3 4 Rack Module Top Removal 1 of 3 Figure 6 1 e4980ase1012 97 Chapter 6 Replacement Procedure 3 4 Rack Module Top Replacement 3 4 Rack Module Top Removal 2 of 3 Figure 6 2 Z Z UN e4980ase1017 Chapter 6 98 Replacement Procedure 3 4 Rack Module Top Replacement Figure 6 3 3 4 Rack Module Top Removal 3 of 3 2 o D O 3 2 v E o 2 4980 1038 Chapter 6 99 Step 1 Step 2 Step 3 Step 4 NOTE Step 5 Step 6 Step 7 Step 8 Step 1 NOTE Replacement Procedure A3 Analog Daughter Boar
94. rameter The number of parameters is less than that required for the command or the parameter has not been entered For example the command CORR USE requires one more parameter Therefore when a message CORR USE is sent to a correct program message CORR USE 11 this instrument receives the former message as an invalid one because all parameters have not been entered Enter command parameters correctly N No data to load There is no setup data for the selected number Or the USB memory is not inserted No values in sweep list List sweep measurement is performed when the measurement point is not set on the LIST SWEEP SETUP screen Numeric data error Numeric data is improper Numeric data not allowed Numeric data not allowed for this operation O Out of Memory The E4980A E4980AL has insufficent memory to perform the requested operation 152 Appendix D 220 108 1080 1000 112 350 430 400 410 420 440 Error Messages Error Messages P Parameter error When a parameter related error other than Errors 221 through 229 occur this error message is displayed Parameter not allowed The number of parameters exceeds that required for the command For instance when a program message FORM BORD NORM ASC is sent instead of a correct program message with a command FORM BORD NORM which requires a parameter the instrument receives the message that the number
95. rge for each order Noinvoices In order for Keysight Technologies to provide these advantages please send a check or money order with each order Mail order forms and specific ordering information are available through your local Keysight Technologies Sales Office Addresses and telephone numbers are located in a separate document shipped with the manuals Exchange Assemblies Under the rebuilt exchange assembly program certain factory repaired and tested assemblies are available on a trade in basis These assemblies are offered al lower cost than a new assembly but meet all factory specifications required of a new assembly The defective assembly must be returned for credit under the terms of the rebuilt exchange assembly program Any spare assembly stock desired should be ordered using the new assembly part number 68 Chapter 5 Replaceable Parts Replaceable Parts List rr F Replaceable Parts List Power Cables and Plug Configurations Figure 5 1 Power Cables and Plug Configurations Australia New Zealand OPTION 900 United Kingdom OPTION 901 Plug AS 3112 250V 10A Cable 8120 1369 Plug BS 1363 A 250V 10A Cable 8120 1351 8120 8705 U S Canada OPTION 902 Continental Europe OPTION 903 Plug NEMA 5 15P 125V 10A Cable 8120 1378 Plug CEE 7 Standard Sheet VII 250V 10A Cable 8120 1689 Switzerland OPTION 904 U S Canada OPTION 906 Plug
96. roubleshooting To Troubleshoot the Instrument To Troubleshoot the Instrument This section describes the basic procedural flow of troubleshooting when servicing the E4980A E4980AL The primary procedural tool in this section is the flowchart The flowchart contains the entire troubleshooting path from a failure symptom to the isolation of faulty assembly and will direct you to the completion of repair in an ordinary manner through the possible failure symptoms Reference letters Yes No on the flowcharts point to procedural steps that briefly explain the troubleshooting method to be performed next Primary Trouble Isolation The primary trouble isolation in Figure 4 1 is to help direct you to the correct section for troubleshooting the E4980A E4980AL Step 1 Turn the E4980A E4980AL power on With the E4980A E4980AL plugged in and the power turned off the front panel orange standby LED should be on When the front panel power switch is turned on the orange LED should go out and the yellow green LED should come on Also the fan should start rotating In case of unexpected results go to Power On Sequence Troubleshooting on page 35 Step 2 Check the display The power on test is executed once automatically before the measurements start If the power on test fails go to Troubleshooting Using Service Function on page 38 If one of the following error messages Al EEPROM write error CPU Bd EEPROM write error CPU Bd FLASH
97. set to 21 1 in Ib screwdriver s torque to 21 1 in Ib When you fasten the Shield Angle with the two TORX T10 screws set screwdriver s torque to 8 7 in Base Plate Board Removal Figure 6 10 e4980ase1044 Chapter 6 114 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 1 NOTE Replacement Procedure Rear Panel Assembly Replacement Rear Panel Assembly Replacement Tools Required Torque screwdriver TORX T20 Torque screwdriver TORX T8 Torque screwdriver TORX T10 Box torque wrench 5 8 inch Boxtorque wrench 5 5 mm Box torque wrench 7 mm Removal Procedure Refer to Figure 6 11 for this procedure Remove the Option Interface as described in Option Interface Replacement on page 105 Remove the 3 4 Rack Module Top as described in 3 4 Rack Module Top Replacement on page 96 Remove the A3 Analog Daughter Board as described in A3 Analog Daughter Board Replacement on page 100 Remove the A2 Analog Board as described in A2 Analog Board Replacement on page 102 Remove the PPMC PCA as described in PPMC PCA Replacement on page 107 Remove the Al Mother Board as described in 1 Mother Board Replacement on page 109 Remove the Power Supply Assembly as described in Power Supply Assembly Replacement on page 111 Remove the bottom clamshell as described from Step 10 to Step 12 in Base Plate
98. set Refer to To Check the Front and controlled via the front panel keys Panel on page 47 LCD display Almost all the information including the Refer to To Check the measurement value setup state result data LCD on page 47 processing menu bar softkey label and others are indicated on the LCD display Front USB port The USB port is used to save data in a USB Refer to To Check the Front memory The LED for USB lights up while accessing the USB memory USB port on page 47 External trigger input The external trigger input terminal BNC on the rear panel allows an external trigger source to be used for measurement trigger Refer to To Check the External Trigger Input on page 48 LAN port The LAN interface port on the rear panel allows the E4980A E4980AL to be connected to 10 100 Base T Ethernet Refer to To Check the LAN on page 48 GPIB Interface The GPIB compatibility allows the E4980A E4980AL to be operated as a talker listener on IEEE 488 interface bus Refer to To Check the GPIB on page 50 USB USBTMC Interface Through this port you can control the E4980A EA980AL via external controllers It is equivalent to control via GPIB Refer to in To Check the USB USBTMO Interface Card on page 51 Handler interface Option E4980A 201 The interface is for data exchange with an automatic machine handler used on production line Refer to in To Check
99. st Most suspicious assembly Suspicious assembly Possible faulty assembly gt o D 0n 3 O O ce 2 ao Chapter 4 65 Troubleshooting Performance test failure troubleshooting 66 Chapter 4 Replaceable Parts This chapter contains information for ordering replacement parts for the E4980A E4980AL ge D o D Q D m 7 67 Replaceable Parts Ordering Information Ordering Information To order a part in the replaceable parts lists quote the Keysight Technologies part number indicate the quantity required and address the order to the nearest Keysight Technologies Sales Office To order a part not listed in the replaceable parts lists include the instrument model number the description and function of the part and the quantity of parts required Address the order to the nearest Keysight Technologies Sales Office Direct Mail Order System Within the USA Keysight Technologies can supply parts through a direct mail order system There are several advantages to this system Direct ordering and shipping from the Keysight Technologies parts center in California USA No maximum or minimum on any mail order There is a minimum amount for parts ordered through a local Keysight Technologies Sales Office when the orders require billing and invoicing Prepaid transportation There is a small handling cha
100. st result is far from the tolerance of the test or the performance is not adjustable isolate the faulty assembly in accordance with the Performance tests failure troubleshooting procedure Recommended adjustment for performance test failure Table 4 13 shows the recommended adjustments when the performance test fails Select the adjustment program corresponding to the recommended adjustment and perform the adjustment Table 4 13 Recommended adjustment for performance test failure Test First failed test Recommended adjustment Num A1 A2 A3 PPMC 1 Frequency Accuracy Test 2 DC Source Level Accuracy Test 3 DC Bias Level Accuracy Test 4 DC Bias V Level Monitor Accuracy Test 5 DC Bias I Level Monitor Accuracy Test 6 AC Signal Level Monitor Accuracy Test 7 AC Signal Level Accuracy Test 8 Impedance Measurement Accuracy Test 9 DCR Measurement Accuracy Test gt en D 2 2 e Chapter 4 63 Troubleshooting Performance test failure troubleshooting Adjustment failure troubleshooting Table 4 14 represents the relationships between the failed adjustment and probably faulty assembly Note that this table lists some typical cases There are possibilities that another assembly may be faulty Table 4 14 Adjustment failure troubleshooting information Adj First failed adjustment Probable faulty b
101. t The supplement for this manual is identified by this manual s printing data and is available from Keysight Technologies If the serial prefix or number of an instrument is lower than that on the title page of this manual see Appendix A Manual Changes For information concerning a serial number prefix that is not listed on the title page or in the Manual Changes supplement contact the nearest Keysight Technologies office Chapter 1 21 k O 2 D m 3 x 3 e 2 General Information Required Equipment Required Equipment Table 1 1 lists the recommended equipment for performance test adjustment and troubleshooting for E4980A E4980AL Table 1 1 Recommended Test Equipment Equipment Critical Specifications Recommended Model Qty Use Frequency Counter Frequency Range 1 MHz Keysight 53181A 1 P Time Base Error 50 ppm year Digital Multimeter No Substitute Keysight 3458A 1 Standard Capacitors Set No Substitute 16380A 1 Standard Capacitors Set No Substitute 16380C with option 1 P 001 Four Terminal Pair No Substitute Keysight 42030A 1 Standard Resistor Set 4TP Open Termination No Substitute Keysight 42090A 1 4 Short Termination No Substitute Keysight 42091A 1 Test Leads BNC 1 No Substitute Keysight 16048A 1 Test Leads BNC 2 No Substitute Keysight 16048D 1 Test Leads BNC 4 N
102. t of the program Write ID Inspect the booting process and power on test result A2 Analog Board Perform the following required adjustments using A2 Board in Spot Adjustment of the program Write Null phase track default data Null DC offset Adjustment Null ADC DC offset Adjustment ADC Linearity Adjustment DC Bias Adjustment DC level V monitor Adjustment for opt 001 DC level I monitor Adjustment for opt 001 DC Source Adjustment for opt 001 DCR Adjustment for opt 001 Impedance Adjustment AC Level monitor Adjustment OSC Level Adjustment Inspect the booting process and power on test result DC Bias V Level Monitor Accuracy Test for opt 001 DC Bias I Level Monitor Accuracy Test for opt 001 AC Signal Level Monitor Accuracy Test Impedance Measurement Accuracy Test DCR Measurement Accuracy Test for opt 001 134 Chapter 7 Post Repair Procedures Post Repair Procedures Table 7 1 Post Repair Procedures Replaced Required Adjustments Verification Assembly or Part Correction Constants CC A3 Analog Board Perform the following required adjustments using Board in Spot Adjustment of the program DC Bias Adjustment DC level V monitor Adjustment for opt 001 DC level I monitor Adjustment for opt 001 DC Source Adjustment for opt 001 DCR Adjustment for opt 001 Impedance Adjustment AC Level monitor Adjustment OSC Level Adjustment Inspect the
103. t pass Problems on Front Panel LCD Display Front USB Port GPIB Interface USB Interface LAN Port External Trigger Input Handler Interface Scanner Interface or Bias Current Interface Y Power on y Go to Function Specific Troubleshooting J Performance test Go to Troubleshooting Using Service Function Performance test pass Go to Performance Test Failure Troubleshooting e4980ase1054 34 Chapter 4 Troubleshooting Power On Sequence Troubleshooting Power On Sequence Troubleshooting Check the Line Voltage and Fuse Check the main power line cord power fuse and actual line voltage to see that they are all correct For more information about the line cord and power fuse see the Power Requirements in Appendix B Check the Power Supply Unit Output Step 1 Remove the E4980A E4980AL s outer cover Step 2 Turn the E4980A E4980AL power on Step 3 Measure the output voltage 43 3 5 12 12 V of the power supply unit using a voltmeter with a small probe The location of each voltage connector on the A1 board and A3 board is shown in Figure 4 2 gt o D n 3 O O ao Chapter 4 35 Figure 4 2 Troubleshooting Power On Sequence Troubleshooting Output Voltage Location
104. t to Keysight Technologies standard commercial license terms and non DOD Departments and Agen cies of the U S Government will receive no greater than Restricted Rights as defined in FAR 52 227 19 c 1 2 June 1987 U S Government users will receive no greater than Limited Rights as defined in FAR 52 227 14 June 1987 or DFAR 252 227 7015 b 2 November 1995 as applicable in any technical data Safety Notices CAUTION A CAUTION notice denotes a hazard It calls attention to an operating proce dure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not pro ceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING notice denotes a hazard It calls attention to an operating proce dure practice or the like that if not correctly performed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met A NOTE notice denotes important information It calls attention to a procedure practice or condition that is essential for the user to understand Caution Precision LCR Meter AN Do not exceed the operating input power voltage and current level and signal type appropriate for the instrument being used refer to your instrument s Function Reference Electrostatic discharge E
105. tended use of the instrument Keysight Technologies assumes no liability for the customer s failure to comply with these precautions The E4980A E4980AL complies with INSTALLATION CATEGORY II as well as POLLUTION DEGREE 2 in IEC61010 1 The E4980A E4980ALis an INDOOR USE product The LEDs in the E4980A E4980AL are Class 1 in accordance with IEC60825 1 CLASS 1 LED PRODUCT Ground the Instrument To avoid electric shock the instrument chassis and cabinet must be grounded with the supplied power cable s grounding prong DO NOT Operate in an Explosive Atmosphere Do not operate the instrument in the presence of inflammable gasses or fumes Operation of any electrical instrument in such an environment clearly constitutes a safety hazard Keep Away from Live Circuits Operators must not remove instrument covers Component replacement and internal adjustments must be made by qualified maintenance personnel Do not replace components with the power cable connected Under certain conditions dangerous voltage levels may remain even after the power cable has been disconnected To avoid injuries always disconnect the power and discharge circuits before touching them DO NOT Service or Adjust the Instrument Alone Do not attempt internal service or adjustment unless another person capable of rendering first aid and resuscitation is present DO NOT Substitute Parts or Modify the Instrument To avoid the danger of introducing a
106. the hexadecimal number displayed on the LCD One of the 6 LEDs turns ON in sequence as shown in Figure 4 16 Confirm that DOO DO7 LEDs on the simulator turn ON in accordance with the hexadecimal number displayed on the LCD One of the 8 LEDs turns ON in sequence as shown in Figure 4 16 Bias Current Interface Function Test LO 2 0 c lt lt OO O ADRS4 ADRS3 O ADRS2 ADRSI x L e4980ase1048 Step 14 Step 15 NOTE Step 16 NOTE Confirm that DI0 TO 7 and DI8 TO 15 on the LCD of the E4980A E4980AL display hexadecimal number ff Set switches S1 and S2 on the bias interface simulator to 07 Then confirm that hexadecimal number 0 is displayed by DIO TO 7 and DI8 TO 15 The states of S1 DIO TO 7 and S2 DI8 TO 15 are displayed as a hexadecimal number on the E4980A E4980AL s LCD Press the TEST STOP softkey Do not execute any SELF TEST except for the Bias Interface Test or the E4980A E4980AL will become inoperative 62 Chapter 4 Troubleshooting Performance test failure troubleshooting Performance test failure troubleshooting This section describes the adjustment and troubleshooting procedures used when the E4980A E4980AL fails the performance tests If the performance of the instrument is critical for the test limits and seems to be adjustable perform first the adjustment s related to the failed test When the te
107. the flat cable item 2 of Option Interface side Release the cable s connector by pressing the locking hooks at the sides of the connector Remove the two TORX T10 screws item 3 fastening the option panel Remove the option panel from the option interface board Disconnect the flat cable from the A1 Mother Board connector item 4 Replacement Procedure Reverse the order of the removal procedure When you fasten the option panel with the two TORX T10 screws set screwdriver s torque to 8 7 in Ib When you fasten the interface card with the two TORX T10 screws set screwdriver s torque to 8 7 in Ib Chapter 6 105 O 5 O D E gt U x O D Q 1 Replacement Procedure Option Interface Replacement Option Interface Removal Figure 6 6 e4980ase1022 Chapter 6 106 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 1 NOTE Replacement Procedure PPMC PCA Replacement PPMC PCA Replacement Tools Required Torque screwdriver TORX T20 Torque screwdriver TORX T8 Removal Procedure Refer to Figure 6 7 for this procedure Remove the 3 4 rack module top as described in 3 4 Rack Module Top Replacement on page 96 Remove the four TORX T8 screws item 1 fastening the PPMC PCA Remove the Angle CPU item 2 from the PPMC PCA Disconnect the ground cable item 3 Carefully disconnect the PPMC PCA from A1 Mother Board Carefull
108. tion N shown in the table above Table 4 8 Bit switch S1 settings Bit number 1 Factory default settings 1 Off 2 Off 52 Troubleshooting Function Specific Troubleshooting Table 4 8 Bit switch S1 settings Bit number Factory default settings 3 On 4 Off 5 Off 6 Off 7 N A 8 N A 1 The bit numbers referenced in this table are the numbers printed on the bit switch S1 of the handler interface board Step 4 Replace the handler interface board Step 5 Turn the E4980A E4980AL ON Step 6 Connect the handler interface connector on the E4980A E4980AT rear panel to the handler simulator as shown in Figure 4 10 Figure 4 10 Handler Interface Function Test Setup E4980A WARNING No operator serviceable parts Inside refer servicing to service irainsd personnel continued fire protection use specified Ihe fuse BE 6 U U EEE 801800 Handler Simulator e4980ase1050 Step 7 Press System Step 8 Press the SELF TEST softkey to display the SELF TEST page Chapter 4 53 gt o D n 3 O O ao Troubleshooting Function Specific Troubleshooting Step 9 Use the CURSOR arrow keys to move the cursor to the TEST MENU field Step 10 Use the softkeys to select the HANDLER INTERFACE test Softkey Fu
109. tle page of this manual Appendix B Firmware Update This appendix describes how to update the E4980A E4980AL firmware When you want to update the E4980A E4980AL firmware refer to this appendix Appendix C Power Requirement Appendix D Error Messages The Keysight E4980A E4980AL provides error messages to indicate its operating status This appendix describes the error messages of the E4980A E4980AL in alphabetical order 20 Chapter 1 Figure 1 1 General Information Instruments Covered by This Manual Instruments Covered by This Manual The ten character serial number is printed on the serial number label Figure 1 1 on the rear panel Serial Number Label An instrument manufactured after the printing date of this manual may have serial number prefix that is not listed on the title page This unlisted serial number prefix indicates the instrument is different from those described in this manual The manual for this new instrument may be accompanied by a yellow Manual Changes supplement or have a different manual part number This sheet contains change information that explains how to adapt the manual to the newer instrument In addition to change information the supplement may contain information for correcting errors Errata in the manual To keep this manual as current and accurate as possible Keysight Technologies recommends that you periodically request the latest Manual Changes supplemen
110. ure A1 Mother Board Replacement A1 Mother Board Replacement Figure 6 8 OQ OR OF Oxo 2 TIO T mn um Xl Y rene Sees
111. val could be shortened or lengthened however such a decision should be based on substantial quantitative data List of the E4980A E4980AL performance tests Para Title 1 Frequency Accuracy Test 2 DC Source Level Accuracy Test 3 DC Bias Level Accuracy Test 4 DC bias V Level Monitor Accuracy Test 5 DC bias I Level Monitor Accuracy Test 6 AC Signal Level Monitor Accuracy Test 7 AC Signal Level Accuracy Test 8 Impedance Measurement Accuracy Test 9 DCR Measurement Accuracy Test Test Equipment Required The required equipment for the performance test is listed in Table 1 1 Use only calibrated equipment when doing the performance test 24 Chapter 2 Performance Test Individual Test Description Individual Test Description 1 Frequency Accuracy Test Description This test checks the frequency accuracy of the E4980A E4980AL test signal The frequency accuracy is checked at IMHz with a frequency counter Since the E4980A ALemploys a Direct Digital Synthesizer for the signal source the frequency accuracy test at this frequency point can verify the accuracy for the entire frequency range 2 DC Source Level Accuracy Test Description This test checks the DC source level accuracy of the E4980A E4980AL DC source port output signal 3 DC Bias Level Accuracy Test Description This test checks the DC bias level accuracy of the E4980A E4980AL DC bias signal 4 DC Bias V Le
112. vel Monitor Accuracy Test Description This test checks the DC bias V level monitor accuracy of the E4980A E4980AL Option 001 only 5 DC Bias I Level Monitor Accuracy Test Description This test checks the DC bias I level monitor accuracy of the E4980A E4980AL Option 001 only 6 AC Signal Level Monitor Accuracy Test Description This test checks the AC signal level monitor accuracy of the E4980A E4980AL 7 AC Signal Level Accuracy Test Description This test checks the AC signal level accuracy of the E4980A E4980AL output signal Chapter 2 25 U A 3 D gt a a eu Performance Test Individual Test Description 8 Impedance Measurement Accuracy Test Description This test checks the impedance measurement accuracy of the E4980A E4980AL 9 DCR Measurement Accuracy Test Description This test checks the DCR measurement accuracy of the E4980A E4980AL Option 001 only 26 Chapter 2 Adjustment This chapter provides the adjustment information for the E4980A E4980AL to ensure that itis within its specifications The adjustment must be performed Keysight s qualified service personnel If you need the adjustment for your E4980A E4980AL it should be sent to the nearest Keysight Technologies service office 27 e gt 2 c e Land E oO 5 gute WARNING Adjustment Safety Considerations Safety Considerations This manual contains
113. y disconnect the GPIB cable item 4 from PPMC PCA Remove the USB gasket item 5 from the PPMC PCA Replacement Procedure Reverse the order of the removal procedure When you fasten the PPMC PCA with the four TORX T8 screws set screwdriver s torque to 3 in Ib Chapter 6 107 O 5 O D E gt U x O D Q 0 Replacement Procedure PPMC PCA Replacement Figure 6 7 PPMC PCA Removal 4980 1020 108 Chapter 6 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 NOTE Step 7 Step 8 Step 9 Step 10 Step 11 Step 1 NOTE Replacement Procedure A1 Mother Board Replacement A1 Mother Board Replacement Tools Required Torque screwdriver TORX T20 Torque screwdriver TORX T8 Torque screwdriver TORX T10 Box torque wrench 5 8 inch Removal Procedure Refer to Figure 6 8 for this procedure Remove the
114. ysight p n 42841 61640 DC Power Supply Keysight E3610A Adapter Keysight p n E4980 60102 Procedure Step 1 Set all switches of S1 and S2 on the bias interface simulator to 1 as shown in Figure 4 14 gt o D n 3 O O ao Chapter 4 59 Troubleshooting Function Specific Troubleshooting Figure 4 14 Bias Interface Simulator S2 S1 DI8 TO 15 DIO TO 7 00000000 be ds do E 22 222 Las 2 2 12 4980 5 1046 Step 2 Set DC power supply output voltage 5 V Connect 2 GND on the bias interface simulator to terminal of the power supply Then connect TP1 Vcc on the simulator to terminal of the power supply refer to Figure Figure 4 14 and Figure 4 15 NOTE DC power for the bias interface simulator can be supplied from the E4980A E4980AL instead of from an external DC power supply 60 Chapter 4 Troubleshooting Function Specific Troubleshooting Step 3 Interconnect the bias interface simulator and bias interface connector on the rear panel of the E4980A E4980AL with the bias interface cable as shown in Figure 4 15 NOTE Connect using the adapter between the bias interface connector on the rear panel of the E4980A E4980AL and the bias inter

Keysight E4980A/ E4980AL Precision LCR Meter

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