Agilent Technologies E4350B manual

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 E4351B US3743010 1 and up Forew ord This addendum c ontains inf ormation f or troublesho oting and re pairin g the Agilen t E4350B and E435 1B Solar Arr a[...]

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). Use the *IDN query as described i n chapter 3 of the Ser vice Man ual to get the f irm w[...]

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. • Connect the remote s ensing le ads from +OUT to +S , and from -OUT to -S. • Use ad[...]

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 4.08A 140 V Transient Recov ery Time This test does not n eed to be p erform ed on the Agile [...]

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. Result * Maximum Spec. Measurement Uncertainty Constant Vo ltage Tests Voltage Programm ing and Readback Accuracy Low Voltage (set to 0V) V o[...]

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. Result * Maximum Spec. Measurement Uncertainty Constant Vo ltage Tests Voltage Programm ing and Readback Accuracy Low Voltage (set to 0V) V out1 Readback A ccuracy Hi[...]

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. Self-Te[...]

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). Turn on the supply 1. Check ac input and line cord 2. Check line fuse 3. Tu rn off supply , r em[...]

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. Calibrate the supply. See Appendix A in the Operating manual. No No Check c[...]

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. Check that the supply goes into OV condition (OV Prot annunciator on and output at 0) Go to "OV Wil[...]

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. right but outside spec ? Yes Yes No Display reads appr[...]

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. Note that ther e are no c hanges t o the flow ch art in Figur e 3-15. E From Sheet 4 [...]

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. No display but output OK ? Check the A2 GPIB boa[...]

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. No Program voltage a[...]

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. Program 0V and Max. OV, then save the settings in Register 0 (press shift, save, 0 and Enter key)[...]

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. Turn the supply on and check the secondary bias and reference vo[...]

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. IMon Amp A1U403 defective. No Yes Check voltage at A1U408-3 and R686 (TP3[...]

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. Turn the supply on and check the secondary bias and reference voltages (TP’s 9 thro[...]

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. 00.00 date d Nov, 17, 1998 40 ! 50 DIM Init _data(1:49),Mo del$[6],Id n$[21] 60 INT EGER Addr(1:49) ,Length(1:4 9) 70 ASSIG N @Ps T O [...]

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." 600 [...]

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);", ";Init_dat a(I) 1040 N EXT I 1050 ! 1060 CLE AR SCREEN 1070 OUT PUT @Ps ;"CAL:ST ATE OFF" ! Turn off cal m ode 1080 ! 1090 GO[...]

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. Cab le and Connector L ocations for E4350B/E 4351B[...]

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). • Disconnect both cab les going to the GPI B board.[...]

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. It rep[...]

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 utput C urrent R 432 R 433 R 465 CC Or C C C ontrol R 44 0 10K 10K 10K R490 R 49 1 R 404 R 408 R 406 R 407 U 408A Down Programming Amp D ow n Program [...]

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 E4351-61021 Main PC Board A2 5063-4851 GPIB Board A3 5063-2360 Keypad/Fron t Panel PC Board A4A2 & A 4A4 5063-4816 Right Tunnel PCA A4A1 5063-4818 Left To[...]

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 Block, 4-Pos Ref A 1J640 1252-3698 Connect or Ref A c Bias, Tunnel C ables 1400-0493 Cable Tie Ref Fron t Bracket 1400-0528 Mount-Cabl e Tie Ref A c Pwr, [...]

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 .1u F 10% 50V C401 E4351B 0160-4834 Capacitor.047UF 10% C402 E4350B 0160-4835 Capacitor .1[...]

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.01UF 10% C452 0160-4355 C apacitor .01uF 10% C453 0160-4846 C[...]

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 .1uF 10% C724 0160-5422 C apacitor .047 u F 20% C725 E4350B 0160-5422 Capacitor .047 uF 20% CR700[...]

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 Full Wave Rectifier D710 1901-1087 Di ode D711 1901-1087 Di ode D712 1901-0050 Di ode F700 2110-0685 Fu se, Submini ature, 7A F701 2110-0685 Fu se, Sub[...]

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 9.09K 1% R410 0698-00 82 Resistor 464 1% .125W R411 0698-3279 R esistor 4.99K 1% R412 0683-20 [...]

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 14.7 1% R460 0757-0459 R esistor 56.2K 1% R461 0698-3162 R esistor 46.4K 1% R4[...]

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% .1 25W R508 0757-0444 R esistor 12.1K 1% R509 0757-0280 R esistor 1K 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 1.74M 1% R626 8159- 0005 Resist or-Zero Ohms R627 8159- 0005 Resist or-Zero Ohms R628 E4350B 8159-0005 [...]

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 2.2K 5% .5 W R713 E4350B 0811-39 32 Resist or 13 10W R714 E4351B 0811-3932 Res istor-13 10W R716 E4351B 0811-3932 Res istor-13 10W R717 8159- 0005 Resist or-Zero Ohms R718 0811-25 68 Res[...]

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 A rray U700 5060-3321 IC /Heat Sink Assy U701 5063-2351 IC /Heat Sink Assy U702 1826-1533 In tegrated C ircuit U703 5063-2328 IC /Heat Sink Assy VR400[...]

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 .1UF 10% 50V C206 01[...]

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 .1UF 10%[...]

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 .1UF 10% 50V C206 0160-4835 Capacitor .1UF 10[...]

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, 0.022uF C1 0160-542[...]

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 to Test Po int (TP) 9 when ta king measure ments at T est Points 10 throu gh 46 TP9 R70 3-3 Secondar y comm on (sheet 1) R703-3 (Rm INB) TP10 F703 +5[...]

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. T he measurem ents were m ade first in th e CV m ode with no load an d then in the CC mode with the load set for f ull-scale o[...]

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. The m easurem ents were tak en with ful l-scale vo ltage and c urrent programm ed. [...]

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 . The as sembly drawin g for the A1 main boar d includ ed in this addendum replaces Figure 6-5 in the [...]

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[...]