Benutzeranleitung / Produktwartung E4351B des Produzenten Agilent Technologies
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Service A ddendum 1 Addendum A - SERVICE M A NUAL Agilent T echnologies Model E4350 B and E4351B S olar Array Sim ulators - P/N 5962-8233 For units with serial num bers: E4350B US3741010 1 and up E435.
Service A ddendum 2 Table of Contents Addendum A - SERVICE MANUAL ................................................................................................................................ 1 Foreword .............................................
Service A ddendum 3 Chapter 1 Differe nces Firmware Revisions The Agi lent E4350B/ E4351B SAS firm ware resides in the f ront panel bo ard’ s ROM c hip (A3U4) , the GPI B board’s ROM chip (A2U106), an d in the D SP board’s ROM chi ps (A5U734 and A5U7 35).
Service A ddendum 4 Measurement Technique s Note All tests are performed in the FIXED a s sho wn in Fi gur e 2-1. • Measure the DC voltag e directl y at the +S a nd -S term inals. • Set the SE NSE s witch at the bac k of the supply to th e Remote p osition.
Service A ddendum 5 Voltage and Curr ent Values Table 2-3. Voltage and Current Values Agilent M odel Full-scale Voltage M ax. Prog. Voltage Full-scale Current M ax. Prog. Current M ax. Prog. Overv oltage E4350B 60V 61.5V 8A 8.16A 73.0 V E4351B 120V 123V 4A 4.
Service A ddendum 6 Performance Test R ecord Table 2-15A. Perform a nce Test Record for Agi lent Model E4350B Agilent E 4350B Report No._____ _________ Date ________ _________ Test Description Mini m um Spec.
Service A ddendum 7 Table 2-15B. Pe rforman ce Test Record for Agilent Mode l E4351B Agilent E 4351B Report No._____ _________ Date ________ _________ Test Description Mini m um Spec.
Service A ddendum 8 Chapter 3 Differe nces Signature A nalysis Signatur e anal y sis (SA) trou bleshooti ng for the sec ondar y circuits on the A1 ma in circuit boar d is ++NO T++ ava ilable f or the Agil ent E4350 B unit. H owever, GPIB an d front panel signature analysis is availab le as desc ribed in ch apte r 3 of th e Servi ce Manu al.
Service A ddendum 9 Overall Troubleshooting (sheet 1) Figure 3-2. Overal l Troubles hooting (sheet 1 of 5) Start "Overall Troubleshooting" Display On? Turn off supply, disconnect the load and push the sense switch on the rear panel in (local).
Service A ddendum 10 Overall Troubleshooting (sheet 2) Figure 3-2. Overal l Troubles hooting (sheet 2 of 5) Voltage display within spec ? Reads approx. right but outside spec ? A5J722-1 (Vmon) approx. 4.1V ? A From Sheet 1 Voltage readback circuit on A5 DSP board defective.
Service A ddendum 11 Overall Troubleshooting (sheet 3) Did OV occur? D From Sheet 3 Turn off the supply and remove the short from the output. Turn on and program output voltage and current to full scale and the OV to zero using front panel keys.
Service A ddendum 12 Overall Troubleshooting – sh eet 4 Figure 3-2. Overal l Troubles hooting (sheet 4 of 5) Calibrate the supply. See Appendix A in the Operating manual. Output voltage approx. right but outside spec ? C From Sheet 2 B From Sheet 1 PROT annumciator on ? Output current approx.
Service A ddendum 13 Overall Troubleshooting (sheet 5) Figure 3-2. Overal l Troubles hooting (sheet 5 of 5) Flow Charts - The f low charts sho wn in Figur es 3-10 thr ough Figures 3-14 and F igure 3-16 are not used in troubl eshooting t he Solar Ar ray Sim ulator.
Service A ddendum 14 No Display Troubleshooting "No Display" Start Turn on the supply and try to program it from the front panel. While measuring the voltage at the output terminals, program the voltage and current to full scale. Toggle the ON/OFF key while observing the external voltmeter.
Service A ddendum 15 OV Will Not Fire Troubleshooting Figure 3-6. OV Will Not Fire Tro ubleshooting "OV Will Not Fire" Start Turn off supply and remove top cover. Turn on and check secondary bias and reference voltages. (Test Points 9 through 17, Table 6-3) Voltages OK ? Troubleshoot the appropriate defective circuit.
Service A ddendum 16 OV at Turn-On Troubleshooting Figure 3-7. OV at T urn-on Trou bleshooting "OV at Turn-On" Start Check that the supply is not programmed to OV at turn-on. Ensure that the voltage setting is not greater than the OV setting.
Service A ddendum 17 Output Held Low Troubleshooting (sheet 1) Figure 3-8 Outpu t Held Low Troubl eshooting (Sheet 1 o f 2) "Output Held Low" Start The supply’s output is low and the PROT annunciator is not on. Turn supply off, disconnect the load and remove the top cover.
Service A ddendum 18 Output Held Low Troubleshooting (sheet 2) Figure 3-8 Outpu t Held Low Troubl eshooting (Sheet 2 o f 2) Check IMon voltage at A1U403-7 (TP28) to common (TP9). A1D413 Conducting ? Yes A No Yes From Sheet 1 A1D413 Conducting ? CC Comparator A1U403 defective.
Service A ddendum 19 Output Held High Troubleshooting Figure 3-9. Ou tput Held High T roublesh ooting "Output Held High " Start Turn supply off and remove the top cover. Disable the Overvoltage circuit by shorting A1U410 pins1 & 2 and lifting A1R447.
Service A ddendum 20 Initialization and Fact ory Preset Replacement Progr am Listing (sheet 1) 10 ! Program to initiali ze EEPROM data in M odels E 4350B an d E4351B 20 ! RE- STORE "INIT _435X" 30 ! Rev A.
Service A ddendum 21 Initialization and Fact ory Preset Replacement Progr am Listing (sheet 2) 510 CLEAR SCRE EN 520 ! 530 SEL ECT Model$ 540 C ASE "E4350 B" 550 R ESTORE Eprom_data _50B 560 C ASE "E4351 B" 570 R ESTORE Eprom_data _51B 580 C ASE ELSE 590 DIS P "Error i n Model n umber, m ust be E4350B or E4351 B.
Service A ddendum 22 Initialization and Fact ory Preset Replacement Progr am Listing – (sheet 3) 1010 ! 1020 FOR I =1 TO 49 1030 OUT PUT @Ps ;"DIAG:E EPR ";Ad dr(I);",";Le ngth(I.
Service A ddendum 23 Cable and Connector Locations A5 DSP Board A1 Main Board A3 Front Panel Board A2 GPIB Board A4A1 Left Tunnel Board A4A2 Right Tunnel Board A1 J900 A4A3 A4A4 A6 Adapter PCA A7 Phone PCA J722 J721 A6 J900 Figure 3-18.
Service A ddendum 24 DSP Board To rem ove the A5 DS P Board, pr oceed as f ollows: • Remove the top cov er of the po wer suppl y as described under, "T op Cover R emoval and Replacem ent." • Remove the s ix sc rews that attac h the cover to the D SP board ( use a T 10 TORX dr ive).
Service A ddendum 25 Chapter 4 Differe nces Digital Signal Proc essor (DSP) B oard The DSP board rep laces the Sec ondary Inter face sec tion of the A1 Main PC board. It re places the Secondar y Microproces sor (U504), the CV and CC pr ogramm ing DACs, Read back D/A, D AC Reference , Readback Comparator s, and the Fan and Over voltage PW Ms.
Service A ddendum 26 Simplified Diagram of DSP Circuits Figure 4-9. Simplified Power/Control/DSP Circuits + O u t R 703 C V C on tr ol Series Regulator C ontrol A m p C V O r V in G ate CC DAC Gate O .
Service A ddendum 27 Chapter 5 Differe nces Table 5-6. Parts L ist for E4350B/ E4351B Chass is Reference Designator Model Part Number Description A1 E4350B E4350-61024 Main PC Board A1 E4351B E4351-61.
Service A ddendum 28 Table 5-6. Parts L ist for E4350A Ch assis-Mechanical (con tinued) Reference Designator Part Number Description Ref Display 1000- 0842 Window Ref A 2TB101 1252-1488 Term inal Bloc.
Service A ddendum 29 Table 5-7. Parts Lis t for Main PC Board Assem bly (A1) Reference Designator Mode l Part Num ber Descrip tion A1 E4350B E4350-61024 Main Board – Electrical A1 E4351 B E4351-61021 Main Board – Electrical C401 E4350B 0160-4835 Capacitor .
Service A ddendum 30 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion C448 0160-5422 C apacitor .047 u F 20% C449 0160-4791 C apacitor 10pF 5% 1 00V C450 0160-5422 C apacitor .047 u F 20% C451 E4351B 0160-4832 Capacitor.
Service A ddendum 31 Table 5-7. Parts List for Main PC Board Assembly A1(Continued) Reference Designator Mode l Part Num ber Descrip tion C722 E4351B 0180-4311 Capacitor1200UF 250V C722 E4350B 0180-42 63 Capacitor 400 0uF 125V C723 0160-0168 C apacitor .
Service A ddendum 32 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion D706 1901-1098 Di ode D707 1901-0992 Di ode D709 1906-03 83 F.
Service A ddendum 33 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion R408 E4350B 0699-3446 Resist or 125K .05% R408 E4351B 0699-3104 Resist or 250K .125W R409 E4350B 0757-0288 Resist or 9.
Service A ddendum 34 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion R453 0699-0533 R esistor 4.64K .1% R455 0698-0084 R esistor 2.15K 1% R456 0757-04 01 Resistor 100 1% .125W R458 0698- 3428 Res istor 14.
Service A ddendum 35 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion R504 0757-0442 R esistor 10K 1% .1 25W R505 0757-0429 R esistor 1.82K 1% R506 0698-3160 R esistor 31.6K 1% R507 0757-0442 R esistor 10K 1% .
Service A ddendum 36 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion R624 8159- 0005 Resist or-Zero Ohms R625 E4350B 0698-8826 Resist or 825K 1% R625 E4351B 0699-1972 Resist or 1.
Service A ddendum 37 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion R712 0686-2225 R esistor 2.
Service A ddendum 38 Table 5-7. Parts List for Main PC Board Assembly A1 (Continued) Reference Designator Mode l Part Num ber Descrip tion U604 1858-0077 Trans istor A rray U605 1858-0076 Trans istor .
Service A ddendum 39 Table 5-11. Par ts List for T op Left Tunnel Board (A4A1) Reference Designator Part-Num ber Descrip tion A4A1 5063-4818 Top L eft Tunn el Board C201 0160-4801 Capacit or 100PF 5% C202 0160-4801 Capacit or 100PF 5% C203 0160-4801 Capacit or 100PF 5% C204 0160-4801 Capacit or 100PF 5% C205 0160-4835 Capacitor .
Service A ddendum 40 Table 5-1 2 . Parts List for Right Tunnel B oards (A4 A2 & A4A4) Reference Designator Part-Num ber Descrip tion A4A2/A 4 5063-48 16 Right Tunn el Board C301 0160-4801 Capacit or 100PF 5% C302 0160-4801 Capacit or 100PF 5% C303 0160-4801 Capacit or 100PF 5% C304 0160-4801 Capacit or 100PF 5% C305 0160-4835 Capacitor .
Service A ddendum 41 Table 5-11. Par ts List for Bot tom Left T unnel Board (A4A3) Reference Designator Part-Num ber Descrip tion A4A3 5063-48 20 Bottom Left T unne l Boa r d C201 0160-4801 Capacit or 100PF 5% C202 0160-4801 Capacit or 100PF 5% C204 0160-4801 Capacit or 100PF 5% C205 0160-4835 Capacitor .
Service A ddendum 42 Table 5-13. Par ts List for DS P Board (A5) Reference Designator Part Nu m ber Description A5 5063-48 11 DSP Board 5080-25 59 ROM Hig h 5080-2560 ROM L ow Table 5-14. Par ts List for Adapter PC Ass embly (A6) Reference Designator Part Number Description A6 5063-48 52 Access Panel PCA C8 0160-4833 Capacit or, 0.
Service A ddendum 43 Chapter 6 Differe nces Test Points Table 6-3. Te st Points Test Point S ignal Measurement and Conditions A1 Main Board (She ets 1-4); A 5 DS P Board Connect meter or scope comm on.
Service A ddendum 44 Table 6-3. Test Points (continued) Test Point S ignal Measurement and Conditions The m easurements at test points 26 through 39 were tak en with fu ll scale voltage and full s cale curr ent program med.
Service A ddendum 45 Table 6-3. Test Points (continued) Test Point S ignal Measurement and Conditions A4A1/A4 A3 LEFT T UNNEL BOARDS (FIGURE 6-6) Leave m eter or sc ope comm on connected to t est poin t ((9)) when taking m easurem ents at test points 47 throug h 64.
Service A ddendum 46 A1 Main Board Schematics (Figure 6-5) The f our schem atic sheets f or the A1 board include d in this a ddendum replace figures 6- 2 and 6-5 i n the stan dard Servic e Manua l for the Ag ilent Seri es 665xA DC Power Su pp lies .
1 1 21 33 43 10 20 19 2 3 16 15 11 34 25 41 46 45 42 39 3 3 3 17 18 6 4 38 4 2 3 31 5 7 26 9 28 24 29 40 14 27 Figure 6-5. A1 Main Bo ard Assembl y Diagram and T est Points f or E435 0B.
Figure 6-5. A1 Main Bo ard Schemat ic Diagram f or E4350B ( sheet 1 of 4).
Figure 6-5. A1 Main Bo ard Schemat ic Diagram f or E4350B ( sheet 2 of 4).
Figure 6-5. A1 Main Bo ard Schemat ic Diagram f or E4350B ( sheet 3 of 4).
Figure 6-5. A1 Main Bo ard Schemat ic Diagram f or E4350B ( sheet 4 of 4).
Figure 6-6. A4 Left Tunnel Circuit Component Loca tions for E4350B Figure 6-7. A4 Right Tunnel Circuit Component Locations for E 4350B.
Figure 6-6. A4A1/A4A3 Left Tunnel Circuit Schematic Diagram for E4350B.
Figure 6-7. A4A2/A4A4 Right Tunnel Circuit Schematic Diagram for E4350B.
Figure 6-1 0. A5 DSP Bo ard Test Po ints.
Figure 6-11. A6 Adapter Board Sc hematic Diagram.
Figure 6-12. A7 Phone Adapter Board Component Location and Schematic Diagram.
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