Agilent Technologies 6632B Скачать руководство пользователя страница 63

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Replaceable Parts - 5

Designator

Model

Part Number

Qty

Description

Q315

66332A/6632B

1854-1174

Transistor, NPN

Q315

6633B/6634B

1854-1362

Transistor, NPN

Q316

All

1855-1016

Transistor, FET

Q317

66332A/6632B

1853-0656

Transistor, PNP

Q317

6633B/6634B

1853-0772

Transistor, PNP

Q318

All

1858-0074

Transistor Array

Q319

66332A/6632B

1853-0656

Transistor, PNP

R300

66332A/6632B/6633B 0698-3642

Res 3K 5% 2W MO

R300

6634B

0764-0046

Res 33K 5% 2W MO

R301

66332A/6632B

0757-0403

Res 121 Ohm 1% 0.125W

R301

6633B

0757-0416

Res 511 1% 0.125W

R301

6634B

0757-0283

Res 2k 1% 0.125W

R302

66332A/6632B

0757-0403

Res 121 Ohm 1% 0.125W

R302

6633B

0757-0416

Res 511 1% 0.125W

R302

6634B

0757-0283

Res 2k 1% 0.125W

R303

All

0757-0280

Res 1K 1% 0.125W

R304

All

0698-3279

Res 4.99K 1%

R305

All

0698-4202

Res 8.87K 1%

R306

All

0757-0280

Res 1K 1% 0.125W

R307 - 309

All

0757-0442

Res 10K 1% 0.125W

R310

All

0698-3156

Res 14.7K 1%

R311

All

0686-2225

Res 2.2K 5% 0.5W

R312

All

0698-0092

Res 2.61K 1%

R313

66332A/6632B

0683-0475

Res 4.7 Ohm 5% 0.25W

R313

6633B/6634B

0757-0346

Res 10 1%

R314

All

0757-0442

Res 10K 1% 0.125W

R315

All

8159-0005

Jumper

R316

All

0757-0401

Res 100 Ohm 1% 0.125W

R317, 318

All

8159-0005

Jumper

R319

66332A/6632B

0698-3444

Res 316 Ohm 1% 0.125W

R319

6633B

0757-0416

Res 511 1%

R319

6634B

0757-0420

Res 750 1%

R320

66332A/6632B

0757-0427

Res 1.5K 1% 0.125W

R320

6633B

0698-0085

Res 2.61k 1%

R320

6634B

0757-0280

Res 1k 1%

R321

66332A/6632B

0698-4509

Res 80.6K 1%

R321

6633B

0698-3454

Res 215k 1%

R321

6634B

0698-4536

Res 340k 1%

R322

All

0757-0280

Res 1K 1% 0.125W

R323

66332A/6632B

0757-0280

Res 1K 1% 0.125W

R323

6633B

0757-0438

Res 5.11K 1%

R323

6634B

0698-3156

Res 14.7K 1%

R324

66332A/6632B

0757-0280

Res 1K 1% 0.125W

R324

6633B/6634B

0757-0438

Res 5.11K 1%

R325

66332A/6632B

0757-0280

Res 1K 1% 0.125W

R325

6633B

0698-3156

Res 14.7K 1%

R325

6634B

0757-0438

Res 5.11K 1%

Содержание 6632B

Страница 1: ...ce Manual Agilent Model 66332A Dynamic Measurement DC Source and Agilent Model 6632B 6633B 6634B System DC Power Supply s1 Agilent Part No 5962 8119 Printed in Malaysia Microfiche No 6962 8120 October...

Страница 2: ...ucts returned to Customer from another country Agilent Technologies shall pay for return of products to Customer Warranty services outside the country of initial purchase are included in Agilent Techn...

Страница 3: ...used Do not use repaired fuses or short circuited fuseholders To do so could cause a shock or fire hazard KEEP AWAY FROM LIVE CIRCUITS Operating personnel must not remove instrument covers Component...

Страница 4: ...rminal for Neutral conductor on permanently installed equipment Terminal for Line conductor on permanently installed equipment On supply Off supply Standby supply Units with this symbol are not comple...

Страница 5: ...identified by a new printing date A revised edition incorporates all new or corrected material since the previous printing date Changes to the manual occurring between revisions are covered by change...

Страница 6: ...Resistor 13 Operation Verification Tests 13 Performance Tests 13 Programming 13 Constant Voltage CV Tests 14 CV Setup 14 Voltage Programming and Readback Accuracy 14 CV Load Effect 14 CV Source Effec...

Страница 7: ...ver Removal and Replacement 44 A2 Interface Board Removal and Replacement 44 Front Panel Assembly Removal and Replacement 44 A3 Front Panel Board Removal and Replacement 45 A1 Main Control Board 45 T1...

Страница 8: ......

Страница 9: ...s exist within the dc power supply chassis This dc power supply is a Safety Class I instrument which means it has a protective earth terminal This terminal must be connected to earth ground through a...

Страница 10: ...pgrade Electrostatic Discharge CAUTION The dc power supply has components that can be damaged by ESD electrostatic discharge Failure to observe standard antistatic practices can result in serious degr...

Страница 11: ...refer to the troubleshooting procedures in Chapter 3 The troubleshooting procedures will determine if repair and or calibration is required Test Equipment Required Table 2 1 lists the equipment requi...

Страница 12: ...ity 100 V Agilent 3400B or equivalent Variable Voltage Transformer Adjustable to highest rated input voltage range Power 500 VA Measurement Techniques Test Setup Most tests are performed at the rear t...

Страница 13: ...points on the resistor element Operation Verification Tests To assure that the supply is operating properly without testing all specified parameters perform the following test procedures a Perform th...

Страница 14: ...m the supply to zero volts and the maximum programmable current with the load off c Record the output voltage readings on the digital voltmeter DVM and the front panel display The readings should be w...

Страница 15: ...r to the highest rated line voltage e g 127 Vac for 115 Vac nominal line voltage input h Record the output voltage reading on the DVM The difference between the DVM reading is steps f and h is the sou...

Страница 16: ...on the positive and negative slope Constant Current CC Tests CC Setup Follow the general setup instructions in the Measurement Techniques paragraph and the specific instructions given in the followin...

Страница 17: ...cale output current The current on the UUT display should be approximately 0 mA c Record the current reading on the DMM and the reading on the front panel display The difference between the two readin...

Страница 18: ...erage reading program described under CC Load and Line Regulation e Short the load switch and record the output current reading The difference in the current readings in steps d and e is the load effe...

Страница 19: ...he output current should be at the full scale rating with the CC annunciator on e Divide the reading on the rms voltmeter by the monitor resistor to obtain rms current It should not exceed the values...

Страница 20: ...mV 0 3 mV Transient Response Voltage in 100 s Vout 20 mV __________ Vout 20 mV Constant Current Tests Current Programming and Readback High Range CC Programming Accuracy 0A Current Readback Accuracy...

Страница 21: ...sponse Voltage in 100 s Vout 50 mV __________ Vout 50 mV Constant Current Tests Current Programming and Readback High Range CC Programming Accuracy 0A Current Readback Accuracy 20mA High Range CC Prog...

Страница 22: ...e Voltage in 100 s Vout 100 mV __________ Vout 100 mV Constant Current Tests Current Programming and Readback High Range CC Programming Accuracy 0A Current Readback Accuracy 20mA High Range CC Program...

Страница 23: ...upply Troubleshooting procedures are provided to isolate a problem to one of the circuit boards or a particular circuit Figure 3 2 shows the location of the circuit boards and other major components o...

Страница 24: ...neither an AC input nor a bias supply failure is causing the problem and that the supply passes the turn on self test error annunciator stays off The normal turn on self test indications are describe...

Страница 25: ...5V A3J2 8 Troubleshoot A1 5V Interface Bias circuit W6 or W7 No Yes RI Replace A3 Front Panel Display board Error Message See Error Message Table 3 2 Yes Yes No OV No OC No Go to Troubleshooting OV a...

Страница 26: ...ut to put unit into CC and measure output current with extrenal amp meter Yes Current close to programmed value Calibrate Current No Yes Current prog and unit not in CC Go to Troubleshooting No Curren...

Страница 27: ...Troubleshooting 3 27 Figure 3 1 Sheet 3 Main Flowchart continued...

Страница 28: ...ng Does the supply overshoot Yes Disable the OV circuit as described in paragragh Disabling Protection Features No Output zero volts 4V A1R350 2 A2 or W7 Defective No Yes No 3V U306B 7 Yes Check C336...

Страница 29: ...1CR342 Q318A B D and associated components Yes Note OV_SCR is normally a pulse that goes low for 5us to trip the OV SCR CR342 Connect a DC coupled scope across the output and press Protect Clear sever...

Страница 30: ...l the display reads No Protect Off press the Up Arrow to display No Protect On then press enter FS Prot off and Output OK Calibrate unit Yes No FUSE signal OK Check FUSE signal U305B 7 approx 2 8V wit...

Страница 31: ...prog value Yes Check for short across output such as output cap C382 CR342 etc Yes CC_Prog R360 4 7V No Check W7 A2 Interface Board No IMon_H U309A 6 0V Yes Check Positive Current Control Circuit U310...

Страница 32: ...and Q302 No Q307 collector to emitter 4V Check Q302 Q307 R324 and R326 No Q303 base 1 2V meas from Out Check Rail and Output Stage Yes Yes 1V across R323 Check Q301 Q305 circuits No No Yes Check C331...

Страница 33: ...tinued from sheet 7 CV_Prog R401 4 7V Check W7 A2 Interface Board No VMon U315B 7 0V Yes Check Voltage Monitor Amplifier U315B circuit No Check Voltage Control Circuit U315A Yes Figure 3 1 Sheet 9 No...

Страница 34: ...t 2 CC_Prog R360 4 8V Check A2 Interface Board No Imon_H U309A 6 3 5V Drop across R473 0 25V No Check High Range Current Monitor Amplifier Yes Check Positive Current Control Circuit Yes Yes Check R473...

Страница 35: ...C336 and U306 No U306B 2 OV_DETECT Low Yes Check U306B No OV_SCR pulse R438 low 5us Yes Check Q318B R441 A2 Interface Board No Q318D Collector pulses high 5us Check Q318A B and D and associated circu...

Страница 36: ...rip the OV Is the CV annunciator on Vmon U315B 7 OK No Check Voltage Monitor Amplifier U315B circuit No CV_Prog R401 0V Yes A2 Interface Board No Check Voltage Control U315A circuit Yes Voltage 0 6V M...

Страница 37: ...ROM A2 Interface Bd E4 Checksum in State Non volatile ROM A2 Interface Bd E5 Checksum in RST Non volatile ROM A2 Interface Bd E10 RAM test failed A2 Interface Bd E11 12 bit DAC test failed 0 is writte...

Страница 38: ...e front panel CV annunciator indicates when the CV mode is active CV_DETECT is low The front panel CC annunciator indicates when the CC mode is active CC_DETECT is low The UNREGULATED UNR annunciator...

Страница 39: ...to A1 Main board A1J307 Pin Signal Name CV Mode Full Scale Voltage No Load CC Mode Full Scale Voltage Full Load 1 PM_INHIBIT Enabled 0 0 2 OV_SCR 5 5 3 OV_PROG 3 9 3 9 4 FAN_PROG 2 8 3 8 5 OV_DETECT...

Страница 40: ...s select FAN MODE MAN d Press Enter e Simultaneously depress the 0 and 9 keys EEINIT model will be displayed f Using the Up Down annunciator keys select FAN SPEED data g Press Enter Number h Enter the...

Страница 41: ...rder to calibrate the supply This four section switch S201 is located on the A2 Interface board near the GPIB connector The switch has 2 functions related to calibration One is Inhibit Calibration Wit...

Страница 42: ...ry to identify the revision of the supply s firmware The query will readback the revisions of the Primary Interface ROM located on the A2 Interface board The manufacturer and model number of the suppl...

Страница 43: ...personal injury turn off AC power and disconnect the line cord before removing the top cover Disconnect the GPIB cable and any loads and remote sense leads before attempting disassembly CAUTION Most o...

Страница 44: ...the snap in standoffs f To reinstall the Interface board perform the above steps in reverse order Front Panel Assembly Removal and Replacement This procedure removes the front panel assembly from the...

Страница 45: ...ce board as previously described b Disconnect all cables going to connectors on the main control board NOTE Be sure to note the position and orientation of all cables prior to removal so that no mista...

Страница 46: ...rmer terminals NOTE Install the correct fuse when changing the ac line voltage from a previous setting for 110 120 Vac 4 AM Agilent p n 2110 0055 for 220 230 Vac 2 AM Agilent p n 2110 0002 grey white...

Страница 47: ...d user or other external circuits and devices Table 4 1 Power Supply Interface signals Connector Signal Description Front panel outputs OUT OUT Positive DC output voltage Negative DC voltage or return...

Страница 48: ...microprocessor circuits DSP ROM and RAM chips decode and execute all instructions and control all data transfers between the controller and the secondary interface The primary microprocessor circuits...

Страница 49: ...Principles of Operation 4 49 Figure 4 1 A2 A3 Block Diagram...

Страница 50: ...to the logic array monitored output voltage VMon monitored high range current Imon_H monitored low range current Imon_L and monitored peak current Imon_P All measurement signals are in the range of 0...

Страница 51: ...Principles of Operation 4 51 Figure 4 2 A1 Block Diagram...

Страница 52: ...utput voltage Conversely if the output voltage is less than the programmed voltage Vmon goes low and produces a more positive going CV signal which increases the input to the voltage gain stage and ra...

Страница 53: ...t measurement An overvoltage detect circuit compares the output voltage to the programmed overvoltage setting When the output exceeds the programmed setting the OV_Detect signal goes low which informs...

Страница 54: ......

Страница 55: ...RFI PCA A6 All 5063 3434 1 Relay PCA Tested B1 All 06632 60002 1 Fan Assembly T1 66332A 6632B 9100 5501 1 Main Transformer T1 6633B 9100 5567 1 Main Transformer T1 6634B 9100 5568 1 Main Transformer...

Страница 56: ...001 4 Insulator MP19 All 06612 80004 1 Rear Label MP20 All 5041 8801 4 Foot MP21 All 0515 1117 2 Screw M5x0 8x10mm Pozi Flat Patch Lock MP22 All 0515 1132 2 Screw M5x0 8x10mm Pozi Pan Patch Lock MP23...

Страница 57: ...Replaceable Parts 5 57 Figure 5 1 Mechanical Parts ldentification...

Страница 58: ...32B 0160 5422 2 Cap 0 047 uF 20 C317 All 0160 5422 1 Cap 0 047 uF 20 C318 319 All 0180 4129 2 Cap 1 uF 35V C320 All 0180 4136 1 Cap 10 uF 20V C321 All 0180 4129 1 Cap 1 uF 35V C322 All 0160 5422 1 Cap...

Страница 59: ...p 120 pF 5 C363 All 0160 4807 1 Cap 33 pF 5 100V C364 All 0160 5422 1 Cap 0 047 uF 20 C365 All 0160 5471 1 Cap 0 1 uF 5 50V C366 367 All 0160 4791 2 Cap 10 pF 5 100V C368 All 0160 4789 1 Cap 15 pF 5 1...

Страница 60: ...All 0160 4801 1 Cap 100 pF 5 C499 66332A 6632B 0160 7562 1 Cap 6 8 uF 63 V CR342 66332A 6632B 5060 3234 1 SCR Rectifier Assembly CR342 D330 1205 0571 1 ref CR342 Heat Sink 1884 0310 1 ref CR342 SCR M...

Страница 61: ...5 D336 337 All 1901 0880 2 Diode D400 6634B 1901 0719 1 Diode Power D470 471 All 1902 0960 2 Zener Diode 12V 5 D499 66332A 6632B 6633B 1901 0987 1 Power Diode See Q314 F300 301 All 2110 0712 2 Fuse Su...

Страница 62: ...sistor Heat Sink 1853 0652 1 ref Q304 Transistor PNP Q304 1205 0571 1 ref Q304 Heat Sink Q304 6634B 5063 3451 1 Transistor HS Assembly 1853 0652 1 ref Q304 Transistor PNP Q304 1205 0571 1 ref Q304 Hea...

Страница 63: ...All 0757 0442 3 Res 10K 1 0 125W R310 All 0698 3156 1 Res 14 7K 1 R311 All 0686 2225 1 Res 2 2K 5 0 5W R312 All 0698 0092 1 Res 2 61K 1 R313 66332A 6632B 0683 0475 1 Res 4 7 Ohm 5 0 25W R313 6633B 66...

Страница 64: ...0 125W R339 6633B 0757 0458 1 Res 51 1k 1 0 125W R339 6634B 0698 3454 1 Res 215K 1 0 125W R340 66332A 6632B 0757 0407 1 Res 200 Ohm 1 0 125W R340 6633B 0757 0414 1 Res 432 1 0 125W R340 6634B 0757 028...

Страница 65: ...9 1510 1 Res 22 22K 0 05 R365 366 All 0698 6392 2 Res 22K 0 1 0 125W R367 All 0757 0436 1 Res 4 32K 1 R370 All 0757 0442 1 Res 10K 1 0 125W R371 66332A 6632B 0699 0934 1 Res 35 65K 0 1 R371 6633B 6634...

Страница 66: ...W R402 All 0757 0438 1 Res 5 11K 1 R403 All 0699 4484 1 Res 72 Ohm R404 66332A 6632B 0757 0442 1 Res 10K 1 0 125W R405 All 0698 8827 1 Res 1M 1 0 125W R406 All 0698 3456 1 Res 287K 1 R407 66332A 6632B...

Страница 67: ...l 8159 0005 1 Jumper R439 66332A 6632B 0698 6317 1 Res 500 Ohm 0 1 R440 66332A 6632B 0811 1672 1 Res 3 3 Ohm 5 2W R440 6633B 6634B 0811 2553 1 Res 7 5 5 2W PW R441 All 0698 4486 1 Res 24 9K 1 R442 663...

Страница 68: ...Ohm 5 2W R470 6633B 6634B 0811 2553 1 Res 7 5 Ohm 5 2W PW R471 66332A 6632B 0699 1797 1 Res 10M 5 0 25W R471 6633B 6634B 0683 1065 1 Res 10M R472 All 0757 0442 1 Res 10K 1 0 125W R473 66332A 6632B 081...

Страница 69: ...Circuit U303 All 1826 1533 1 Integrated Circuit U304 All 5060 3232 1 15V Regulator Assembly All 1826 0106 1 ref U304 Integrated Circuit All 1205 0282 1 ref U304 Heat Sink U305 All 1826 0346 1 Integra...

Страница 70: ...scription A5 All 5063 3433 1 AC Input RFI PCA C500 All 0160 4259 1 Cap 0 22 uF 10 C501 502 All 0160 8181 2 Cap 0 0022 uF F500 All 2110 0055 1 Fuse 4AM 250V 100Vac and 120Vac input F500 All 2110 0002 1...

Страница 71: ...kages pin 10 pin 20 Table 6 1 Model dependent Components Designator 66332A 6632B 6633B 6634B Designator 66332A 6632B 6633B 6634B C300 304 307 0 047 uF C411 2 2 uF 2 2 uF C302 18000 uF 2200 uF 1200 uF...

Страница 72: ...5 R349 26 1K 80 6K 130K R446 2 5K 5 2K 16 1K R350 3 16K 3 92K 3 16K R447 499 Ohm R351 5K 6 2K 5K R449 0 Ohm R352 0 Ohm R450 1 Ohm R354 16 2K 51 1K 80 6K R452 1K 2 15K 5 11K R356 200K 249K 200K R453 10...

Страница 73: ...25 R331 1 6 3 1 R397 8 275 8 55 C337 0 1 5 525 C480 3 75 6 2 F500 4 871 3 147 R332 2 25 3 0 R398 4 95 8 875 C338 0 7 7 35 C481 3 75 6 3 J303 0 15 2 75 R333 2 25 3 3 R399 0 875 8 225 C339 1 15 7 45 C48...

Страница 74: ...02 U302 3 85 2 15 R458 2 2 9 825 U303 6 275 2 3 R459 2 1 9 825 U304 2 775 1 725 R460 0 6 2 55 U305 1 05 2 4 R461 4 675 7 375 U306 0 575 7 05 R462 4 675 7 275 U308 4 6 5 675 R463 8 275 9 425 U309 2 37...

Страница 75: ...Figure 6 1 A1 Board Component Locations...

Страница 76: ...Figure 6 2 A4 and A6 Board Component Locations...

Страница 77: ...Figure 6 3 A1 Board schematic sheet 1...

Страница 78: ...Figure 6 3 A1 Board schematic sheet 2...

Страница 79: ...Figure 6 3 A1 Board schematic sheet 3...

Страница 80: ...Figure 6 4 A6 Relay Option Board schematic...

Страница 81: ...ests 14 Control 50 52 copyrights 5 cover removal 44 current monitoring resistor 13 current sink 17 CV 38 CV load effect 14 CV loop 52 CV Noise 15 CV source effect 15 CV CC control 50 52 CV_Detect 48 5...

Страница 82: ...52 ROM upgrade 42 RPG 48 RS 232 47 S safety considerations 9 safety summary 3 schematic A1 77 78 79 A4 76 schematic notes 71 SCR 52 secondary interface 48 self test 37 sense 47 sense switch 52 serial...

Страница 83: ...numbers and manual revisions has been updated on pages 5 and 10 Information has been corrected on page 16 and pages 20 22 to comply with ISO 17025 8 15 03 Information has been corrected on page 16 an...

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