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Agilent Technologies 6571A, Руководство по обслуживанию

Agilent Technologies 6571A - высокоточный инструмент для анализа и измерения электрических сигналов. Сервисный мануал доступен для бесплатного скачивания на сайте manualshive.com. Получите подробную информацию о настройке и обслуживании этого устройства, чтобы обеспечить оптимальную производительность.

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Figure 6-8. A3 FET Board Schematic Diagram

20NH

9170-2122

20NH

9170-2122

20NH

9170-2122

20NH

9170-2122

B

B

B

B

0699-3901

10

A

MJD45H11

1853-0655

1906-0291

1906-0291

0699-3924

100

A

1906-0291

1906-0291

1826-1601

0699-3963

4.64K

A

0161-1001

20%

25V

CE

4.7

MJD45H11

1853-0655

0699-3901

10

A

0160-6838

1KV

20%

2200PF

PP

MJD45H11

1853-0655

0699-2978

B

1.1K

0160-7505

7UF

5%
PM

200V

1906-0291

B

0160-7798

0.1

D

0699-3967

7.5K

A

0699-4752

4.99K

A

LM339

1826-

GND

V+

+

-

1528

0160-7751

B

0.01

1906-0291

1906-0291

1906-0291

0699-3974

14.7K

A

9170-1476

9170-1476

9170-1476

0699-4016

A

1M

0699-3926

A

121

0699-3922

A

82.5

0699-3922

A

82.5

0699-3926

A

121

0160-7751

B

0.01

0160-8826

1000V

5%

MI

100PF

0160-8826

1000V

5%

MI

100PF

0160-8826

1000V

5%

MI

100PF

0160-8826

1000V

5%

MI

100PF

0160-8826

1000V

5%

MI

100PF

0160-8826

1000V

5%

MI

100PF

0160-7834

A

10PF

0160-7834

A

10PF

0160-7711

B

4700PF

0160-7751

B

0.01

0160-7751

B

0.01

0160-7751

B

0.01

0160-7751

B

0.01

X7R

25V

0160-7746

0.33

5%

X7R

25V

0160-7746

0.33

5%

400V

PM

10%

0.1

0160-6806

400V

PM

10%

0.1

0160-6806

0160-6838

1KV

20%

2200PF

PP

0160-6838

1KV

20%

2200PF

PP

0160-6838

1KV

20%

2200PF

PP

0161-1001

20%

25V

CE

4.7

0161-1001

20%

25V

CE

4.7

0161-1001

20%

25V

CE

4.7

06624-80091

5%

3.3

300

1/8W

0699-2890

5%

3.3

300

1/8W

0699-2890

0699-3901

10

A

0699-3901

10

A

0699-3924

100

A

0699-3924

100

A

0699-3924

100

A

0699-3970

10K

A

0699-3974

14.7K

A

0699-3974

14.7K

A

0699-3974

14.7K

A

A

0699-3913

31.6

A

0699-3913

31.6

0699-3921

A

75

0699-3921

A

75

0699-3922

A

82.5

0699-3922

A

82.5

0699-3922

A

82.5

0699-3922

A

82.5

0699-1437

C

825

0699-3954

A

1.96K

0699-3980

26.1K

A

0699-3980

26.1K

A

0699-3951

1.47K

A

0699-3904

A

13.3

0699-3988

61.9K

A

200

5%

13K

1W

0699-3409

0699-3971

A

11K

0699-3367

5.62K

A

0699-3947

1K

A

0699-3947

1K

A

0699-3969

9.09K

A

0699-3366

A

562

0699-3963

4.64K

A

0699-3963

4.64K

A

0699-3963

4.64K

A

0699-3963

4.64K

A

0699-3963

4.64K

A

0699-3963

4.64K

A

0699-5219

A

9.53K

0699-3974

14.7K

A

0699-3987

51.1K

A

0699-3988

61.9K

A

350

0699-4285

5%

1W

1

LM339

1826-

GND

V+

+

-

1528

LM339

1826-

GND

V+

+

-

1528

MJD45H11

1853-0655

1906-0291

1901-1335

1901-1335

1901-1335

1902-1542

6.2V_5%

80UH

9100-4350

wire

9170-1476

1251-7616

UTILITY

2 PIN

350

0699-4285

5%

1W

1

350

0699-4285

5%

1W

1

0699-4010

A

511K

SCREW_M3_P

B

LM339

1826-

GND

V+

+

-

1528

2110-0726

2110-0726

2110-0726

2110-0726

0837-3781

0160-7951

6800PF

1%

50V

C0G

350

0699-4285

5%

1W

1

350

0699-4285

5%

1W

1

1821-5804

IR2110S

HIN

SD

LIN

HO

VB

VS

VCC

COM

LO

VDD

VSS

1821-5804

IR2110S

HIN

SD

LIN

HO

VB

VS

VCC

COM

LO

VDD

VSS

IRGP20B60PD

1854-1784

C

E

G

IRGP20B60PD

1854-1784

C

E

G

IRGP20B60PD

1854-1784

C

E

G

IRGP20B60PD

1854-1784

C

E

G

1%

0699-7384

30W

150

80-20

1%

0699-7383

30W

75

80-20

1%

0699-7383

30W

75

80-20

1%

0699-7383

30W

75

80-20

1%

0699-7383

30W

75

80-20

X7R

25V

0161-0914

10%

0.47

X7R

25V

0161-0914

10%

0.47

1252-0055

HEADER

1252-2503

RT<

HEADER

XFMR3

T201

XFMR

PWR

XFMR1

XFMR2

NOT LOCATED

0.25V

DRIVE_A

DRIVE_B

SHUTDOWN

ON BOARD

TO HEATSINK

1

2

J202

1

2

J200

+RAIL

C221

C205

IXFMR2

IXFMR1

-RAIL

R220

R224

R216

R213

R201

1

3

2

Q201

2

3

1

Q202

1

3

2 Q203

2

3

1

Q204

15

11

1

2

3

6

7

8

14

13

12

U202

12

13

14

8

7

6

3

2

1

11

15

U201

+15V

R202

R219

C228

RV200

2

1

E201

1

2

E202

2

1

E204

1

2

E203

8

12

9

3

14

U204

+15VF

+15V

+15VF

+15VF

+15VF

MP4

R236

R218

R223

2

1

J201

L204

T202

VR201

D202

D205

D224

D207

Q252

4

12

5

3

2

U204

6

12

7

3

1

U204

R222

R247

R250

R253

R272

R275

R273

R242

R241

R239

R237

R244

R251

R240

R238

R271

R269

R299

R268

R256

R252

R248

R227

R204

R203

R265

R264

R261

R260

R231

R206

R230

R208

R243

R226

R212

R258

R255

R245

R228

R233

R205

R232

R207

1

2

4

3

T204

C222

C220

C206

C213

C211

C210

C245

C244

C218

C203

C240

C237

C236

C235

C230

C239

C226

C216

C219

C215

C209

C208

C207

C238

R266

R267

R263

R262

R246

L203

L202

L201

R211

DRIVE2

DRIVE1

DRIVE2

DRIVE1

D213

D216

D214

+5V

C229

10

12

11

3

13

U204

R254

R249

C227

+5V

D209

-RAIL

1

4

3

2

MC1

2

3

4

5

6

1 MC2

+5V

C201

+15V

+15V

R270

Q253

C214

R209

Q251

+15V

C202

R274

1

8

2

3

6

7

U203

D201

D203

R210

D206

D204

Q254

+15V

R229

DRIVE2

DRIVE1

IXFMR2

IXFMR1

L209

L211

L208

L206

27

32

31

29

30

35

26

28

33

34

Содержание 6571A

Страница 1: ...Agilent Model 6575A US36340101 and Above Agilent Model 6671A US36400101 and Above Agilent Model 6672A US36390101 and Above Agilent Model 6673A US36380101 and Above Agilent Model 6674A US36370101 and A...

Страница 2: ...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 Technologi...

Страница 3: ...blow time delay etc should be used Do not use repaired fuses or short circuited fuseholders To do so could cause a shock or fire hazard Do not operate this instrument in the presence of flammable gas...

Страница 4: ...ician install an external switch Printing History The edition and current revision of this manual are indicated below Reprints of this manual containing minor corrections and updates may have the same...

Страница 5: ...ication Tests 14 Performance Tests 15 Constant Voltage CV Tests 15 Test Setup 15 Test Procedures 15 Constant Current CC Tests 19 Test Setup 19 Test Procedures 19 Averaging the CC Measurements 22 Troub...

Страница 6: ...Output Power Transformer L900 Output Choke 72 AC Input Filter 72 A3 FET Board and Heatsink Assembly 73 A4 AC Input Board 74 B1 Fan 74 Principles of Operation 77 Introduction 77 INTERFACE CONTROL CIRC...

Страница 7: ...listed in the title page of this manual Related Documents Change Sheet There may or may not be a Manual Change sheet included with this manual see Manual Revisions If one is included be sure to exami...

Страница 8: ...l prefix on the power supply is lower than that shown on the title page then the supply was made before the publication of this manual and can be different from that described here Such differences ar...

Страница 9: ...as components that can be damaged by ESD electrostatic discharge Failure to observe standard antistatic practices can result in serious degradation of performance even when an actual failure does not...

Страница 10: ......

Страница 11: ...ble 1 1 of the Power Supply Operating Manual If you encounter failures or out of specification test results see Troubleshooting Procedures Chapter 3 The procedures will determine if repair and or cali...

Страница 12: ...dwidth Limit 20MHz Probe 1 1 with RF tip RMS Voltmeter True RMS Bandwidth 20MHz Agilent 3400B Sensitivity 100 V Variable Voltage Transformer Power 4KVA minimum Range 13 to 6 of input GPIB Controller F...

Страница 13: ...cale Max Prog Max Prog CC Voltage Voltage Current Current Overvoltage Current Agilent 6571A 6671A 8V 8 190V 220A 225 23A 10V 10A Agilent 6572A 6672A 20V 20 475V 100A 102 37A 24V 10A Agilent 6573A 6673...

Страница 14: ...performing the tests Use the sheets in Tables 2 7 through Table 2 11 as master reference sheets to run copies at any time Operation Verification Tests Table 2 3 lists the requirements for operation v...

Страница 15: ...s Test Setup Connect your dc voltmeter leads to only S and S see Figure 2 1 because the power supply regulates the voltage between these points not between the and output terminals Test Procedures Per...

Страница 16: ...s CV Load Effect This test measures the change in output voltage resulting from a change in output current from full load to no load 1 Turn off the power supply and connect a DVM across LS and LS see...

Страница 17: ...ified Source Effect limits CV Noise PARD Periodic and random deviations PARD in the output ripple and noise combine to produce a residual ac voltage superimposed on the dc output voltage This test mea...

Страница 18: ...mmable value and the voltage to its full scale value see Table 2 2 3 Program the Electronic Load as follows Operating mode to constant current Input load current to 1 2 the supply s full rated output...

Страница 19: ...sistor 2 Turn on the power supply and program the output for 5 volts and 0 amperes 3 Short the load 4 Observe the DVM voltage reading Divide this by the resistance of the current monitor resistor Reco...

Страница 20: ...ull scale value and the voltage to its maximum programmable value see Table 2 2 4 Adjust the load in the CV mode for full scale voltage see Table 2 2 as shown on the front panel display The power supp...

Страница 21: ...ne voltage Connect the DVM across the current monitoring resistor see Figure 2 1 3 Turn on the power supply and program the current to its full scale value and the voltage to its maximum programmable...

Страница 22: ...g steps show how to set up the voltmeter from its front panel to take a statistical average of l00 readings represents the unlabeled shift key in the FUNCTION RANGE group 1 Program 10 power line cycle...

Страница 23: ...__________________________________ ____________________________________________________________________________________________ ________________________________________________________________________...

Страница 24: ...___mV Vout 0 46mV Source Effect Vout 0 46mV _______mV Vout 0 46mV PARD Ripple and Noise Peak to Peak RMS 0 0 _______mV _______ V 7mV 650 V Transient Response Time at 900 s 0 _______mV 100mV Constant C...

Страница 25: ..._______mV Vout 1 05mV Source Effect Vout 1 05mV _______mV Vout 1 05mV PARD Ripple and Noise Peak to Peak RMS 0 0 _______mV _______ V 9mV 750 V Transient Response Time at 900 s 0 _______mV 100mV Consta...

Страница 26: ...out 1 9mV _______mV Vout 1 9mV Source Effect Vout 1 9mV _______mV Vout 1 9mV PARD Ripple and Noise Peak to Peak RMS 0 0 _______mV _______ V 9mV 800 V Transient Response Time at 900 s 0 _______mV 100mV...

Страница 27: ...V _______mV Vout 3 2mV Source Effect Vout 3 2mV _______mV Vout 3 2mV PARD Ripple and Noise Peak to Peak RMS 0 0 _______mV _______mV 11mV 1 25mV Transient Response Time at 900 s 0 _______mV 100mV Const...

Страница 28: ...4mV _______mV Vout 6 4mV Source Effect Vout 6 4mV _______mV Vout 6 4mV PARD Ripple and Noise Peak to Peak RMS 0 0 _______mV _______mV 16mV 1 9mV Transient Response Time at 900 s 0 _______mV 120mV Con...

Страница 29: ...removing the covers you can use the Verification tests in Chapter 2 to determine if the power supply is operating normally Chapter Organization The information in this chapter is organized as follows...

Страница 30: ...f the power supply fails the selftest the output remains disabled turned off and the front panel normally displays an error code or message see Table 3 2 The message is displayed indefinitely and the...

Страница 31: ...ower on and TST Microprocessor A5U504 E10 SEC 5V Secondary interface 5 volt readback test failed power on and TST Comparators A5U513 readback DAC A5U511 U512 or secondary bias supply 5Vs A4U304 E11 TE...

Страница 32: ...4 OV circuit is on at turn on from Figure 3 1 Figure 3 5 Output level is held low from Figure 3 1 Figure 3 6 Output level is held high from Figure 3 1 Figure 3 7 DAC circuits from Figure 3 1 Figure 3...

Страница 33: ...Troubleshooting 33 Figure 3 1 Overall Troubleshooting Sheet 1 of 4...

Страница 34: ...34 Troubleshooting Figure 3 1 Overall Troubleshooting Sheet 2 of 4...

Страница 35: ...Troubleshooting 35 Figure 3 1 Overall Troubleshooting Sheet 3 of 4...

Страница 36: ...36 Troubleshooting Figure 3 1 Overall Troubleshooting Sheet 4 of 4...

Страница 37: ...Troubleshooting 37 Figure 3 2 No Display Troubleshooting...

Страница 38: ...38 Troubleshooting Figure 3 3 OV Will Not Fire Troubleshooting...

Страница 39: ...Troubleshooting 39 Figure 3 4 OV At Turn On Troubleshooting Sheet 1 of 2...

Страница 40: ...40 Troubleshooting Figure 3 4 OV At Turn On Troubleshooting Sheet 2 of 2...

Страница 41: ...Troubleshooting 41 Figure 3 5 Output Held Low Troubleshooting Sheet 1 of 2...

Страница 42: ...42 Troubleshooting Figure 3 5 Output Held Low Troubleshooting Sheet 2 of 2...

Страница 43: ...Troubleshooting 43 Figure 3 6 Output Held High Troubleshooting...

Страница 44: ...44 Troubleshooting Figure 3 7 DAC Circuits Troubleshooting...

Страница 45: ...Troubleshooting 45 Figure 3 8 DAC Test Waveforms...

Страница 46: ...46 Troubleshooting Figure 3 9 CV CC DAC and Amplifier Circuit Troubleshooting...

Страница 47: ...Troubleshooting 47 Figure 3 10 Serial Down Troubleshooting Sheet 1 of 2...

Страница 48: ...48 Troubleshooting Figure 3 10 Serial Down Troubleshooting Sheet 2 of 2...

Страница 49: ...Troubleshooting 49 Figure 3 11 Isolator Board Troubleshooting...

Страница 50: ...50 Troubleshooting Figure 3 12 Secondary Interface Down Sheet 1 of 2...

Страница 51: ...Troubleshooting 51 Figure 3 12 Secondary Interface Down Sheet 2 of 2...

Страница 52: ...52 Troubleshooting Figure 3 13 Slow Downprogramming Troubleshooting...

Страница 53: ...assis see Disassembly Procedures 3 Lay the board component side up on a piece of insulating material adjacent and close to the supply 4 Make the following connections a Ribbon cable W3 from A5J509 to...

Страница 54: ...d schematic diagram 6 Check bias voltage at U203 1 5V 7 While adjusting the external 15V supply input check the bias trip point at U204 1 Voltage goes from low 0V to high 5V at an input of approximate...

Страница 55: ...Troubleshooting 55 Figure 3 14 A3 FET Board Test Waveforms...

Страница 56: ...ious IC is correct then look for an open printed circuit track or soldering problems 6 If the output signature of an IC is incorrect it could be caused by that IC However it could also be caused by a...

Страница 57: ...and 6 RELAY LINK Install jumper here to configure DIG CNTL port for control of external relay accessories See Appendix D in Power Supply Operating Manual for information about the digital control por...

Страница 58: ...nect signature analyzer CLOCK START STOP and GROUND inputs as show in Figure 3 16 4 Turn on the power supply and use the signature analyzer probe to take the following signatures Power 5V 9FFP Serial...

Страница 59: ...Troubleshooting 59 Figure 3 17 Signature Analysis Connections for Model 657xA Only...

Страница 60: ...60 Troubleshooting Figure 3 17 Signature Analysis Connections for Model 667xA Only...

Страница 61: ...n A1 Front Panel Board see Figure 3 15 4 Connect signature analyzer CLOCK START STOP and GROUND inputs and setup as shown in Figure 3 16 5 Turn on the power supply and use the signature analyzer probe...

Страница 62: ...the signature analyzer probe to take the following signatures Power 5 V lC4C Microprocessor A5U504 1 F77H A5U504 21 0C98 A5U504 2 C98P A5U504 22 5PC7 A5U504 3 1573 A5U504 23 0000 A5U504 4 P42A A5U504...

Страница 63: ...e Operating Manual As shipped from the factory the supply s model number e g 6671 is the password If you use an incorrect password PASSWD ERROR appears on the display during front panel calibration or...

Страница 64: ...pauses and asks you to make a selection respond as follows Initialization I or Factory Preset Replacement F F The new calibration constants will then be stored Pre initialized and tested A1 Front Pane...

Страница 65: ...8 380 390 Eprom_data_6x73 EEPROM data for 6573A and 6673A 400 DATA 111 16 35 35 8 0 99 0 53 39 100 61 5 0 410 DATA 82 1 18 68 79 5 42 0 99 255 20 10 420 DATA 6573 92 166 322 52 162 759 11768 5 255 0 0...

Страница 66: ...RESTORE Eprom_data_6x72 930 CASE 6673A 940 RESTORE Eprom_data_6x73 950 CASE 6674A 960 RESTORE Eprom_data_6x74 970 CASE 6675A 980 RESTORE Eprom_data_6x75 990 1000 CASE ELSE 1010 PRINT Model number not...

Страница 67: ...Err THEN 1350 PRINT Change pass code to the power supply model or zero then restart the program 1360 STOP 1370 ELSE 1380 GOTO Start 1390 END IF 1400 END IF 1410 1420 Start 1430 1440 1450 INPUT Select...

Страница 68: ...ration data destination 1830 DATA 84 88 92 96 100 104 108 112 116 1840 1850 Fact_cal_len Length of factory calibration data 1860 DATA 4 4 4 4 4 4 4 4 2 1870 1880 RESTORE Fact_cal_sour 1890 FOR I 1 TO...

Страница 69: ...teners will damage threaded inserts Older power supplies use TORX screws for securing the carrying straps When removing or installing these screws use TORX screwdriver size T 15 unless T 10 is specifi...

Страница 70: ...t screws that are inset in the knobs These are the AlG1 and AlG2 Voltage Current control shafts that extend through the front panel Remove knobs and shaft bushings Note Be careful not to unscrew the k...

Страница 71: ...4 667xA Only Release GPIB board from holding bracket and remove board from the chassis Output Subchassis The Output Subchassis houses the A5 Control Board A6 Output Board A7 Snubber Board power outpu...

Страница 72: ...r 1 Remove two bolts securing the leads from the Snubber Board and transformer T900 to output rectifiers D900 mounted on the heat sink assembly 2 Remove screw securing the Snubber Board to the heat si...

Страница 73: ...Input Board c 2 wire cable W7 from A3J200 on the FET Board 2 Remove screw securing the FET heatsink to the fan assembly 3 Remove screw securing the FET heatsink to the bottom of the main chassis 4 Sli...

Страница 74: ...e mica insulator see Replaceable Parts between each MOSFET and the heat sink A4 AC Input Board 1 Remove the A3 FET Board and Heatsink Subassembly as described in the combined procedure 2 Disconnect th...

Страница 75: ...Troubleshooting 75 Figure 3 20 Component Locations Top Cover and RFI Shield Removed...

Страница 76: ......

Страница 77: ...on the A5 Control Board The primary microprocessor also processes measurement and status data received from the Secondary Interface A UART universal asynchronous receive transmit IC U112 on the A2 boa...

Страница 78: ...nterval After a delay of 40 ms SPCLR goes high and the microprocessor is enabled By inhibiting microprocessor operation for 40 ms any erroneous operation due to a rising but yet unstable 5V is prevent...

Страница 79: ...A CC DAC OP amplifier U509 U510 converts the programmed value of current on the bus into the CCPROG signal CCPROG is sent to the CC control circuits to control the magnitude of the output current in...

Страница 80: ...dc signal VPROG can also be used to program the output voltage A 0 to 5V VPROG level produces a proportional zero to full scale output voltage In CC mode an OR gate diode D615 conducts and the CC loo...

Страница 81: ...ified and filtered to provide the RAIL 290 volts input lines to the A3 FET Board Because filter capacitors are connected directly across the rectified line RAILS large inrush current surges at turn on...

Страница 82: ...FET switches thereby determining the magnitude of the output voltage or current DRIVEl pulses turn on one set of RAIL Q201 Q211 and Rail Q203 Q233 FETS causing current to flow through power transforme...

Страница 83: ...Principles Of Operation 83 Figure 4 1 Agilent Series 665xA 667xA Power Supply Block Diagram...

Страница 84: ......

Страница 85: ...e locations of circuit board assemblies and chassis mounted components are shown in Figure 3 20 Reading the Tables Each table lists electrical components alphabetically by reference designator and pro...

Страница 86: ...ystal gnd ground mtg mounting thrd thread lg long PCB pc board w with How To Order Parts You can order parts from your local Agilent Technologies Sales and Support Office see the list of offices in th...

Страница 87: ...673A 06673 61020 6574A 6674A 06674 61020 6575A 6675A 06675 61020 A6 Output Filter Board see Table 5 10 6571A 6671A 06671 61024 6572A 6672A 06672 61024 6573A 6673A 06673 61024 6574A 6674A 06674 61024 6...

Страница 88: ...AC Input bd W7 5080 2170 Cable assy 2 wire A3 FET bd to A5 Control bd W8 5080 2171 Cable assy 2 wire A3 FET bd to A4J400 on A4 AC Input bd W9 5080 2178 Cable assy 2 wire A3 FET bd to rails on A4 AC I...

Страница 89: ...nt panel RPG control 6571A 06571 80001 Nameplate 6572A 06572 80001 Nameplate 6573A 06573 80001 Nameplate 6574A 06574 80001 Nameplate 6575A 06575 80001 Nameplate 6671A 06671 80001 Nameplate 6672A 06672...

Страница 90: ...e busbar to support output choke output xfmr diode block 0515 0433 Screw mch M4x0 7 8 mm lg cap RFI fan brkt GPIB cover A6 output Filter bd gnd A5 Control bd to subchassy diode block and A7 Snubber bd...

Страница 91: ...MISCELLANEOUS 5080 2148 Chaining cable for power supply link 1252 1488 Quick disconnect mating plug for DIG CNTL connector on rear panel 1252 3698 Quick disconnect mating plug for analog connector on...

Страница 92: ...3 1251 4926 Receptacle test header J4 5 1252 0718 Receptacle A3G1 A3G2 J6 1251 8184 Receptacle phone GPIB board L1 9140 0158 Inductor 1 H 10 R1 1810 0560 Resistor network DIP R2 0698 3359 Resistor 12...

Страница 93: ...901 0731 Diode power rectifier F800 2110 0951 Fuse subminature 5 AT J800 801 1251 8184 Receptacle modular phone J802 1251 4926 Connector test point header J803 1251 4245 Connector 2 pin male R800 0757...

Страница 94: ...08 1251 7330 Connector Receptacle J114 1251 7330 Connector Receptacle J115 1251 7330 Connector Receptacle P101 1251 4245 Connector Plug 2 pin AC Bias U110 U111 1990 0444 IC Optoisolator U113 1990 0543...

Страница 95: ...eceptacle Q201 Q202 Q203 Q204 1854 1784 Transistor MOSFFET VCE 600V IC 40A matched set R201 0699 7384 Resistor 150 1 30W R213 R216 R220 R224 0699 7383 Resistor 75 1 30W T202 9100 4350 Transformer Curr...

Страница 96: ...Capacitor 0 01 F 10 C431 0160 4065 Capacitor 0 1 F C497 498 0160 7606 Capacitor 1 F 250V CR402 1990 0517 LED visible D306 310 312 317 1901 0731 Diode power rectifier D318 319 1901 1098 Diode 1N4150 D...

Страница 97: ...100 5 2W R381 0698 4150 Resistor 115 1 0 25W R382 0683 3305 Resistor 33 5 0 25W R383 0757 0401 Resistor 100 1 0 125W R384 0757 0280 Resistor 1K 1 0 125 W R399 0699 0208 Resistor 1 5 0 25W R400 401 069...

Страница 98: ...n MECHANICAL PARTS 2110 0726 Fuse clip F304 308 401 2110 0870 Fuse clip 13 32 F400 1205 0282 Heatsink U302 306 307 1205 0402 Heatsink U304 305 0590 1397 Nut F400 clips 0515 0070 Screw M4 x 0 7 F400 cl...

Страница 99: ...7 F 20 C533 0180 4131 Capacitor 4 7 F 35V C550 555 0160 4835 Capacitor 0 1 F 10 50V C556 558 0180 4129 Capacitor 1 F 35V C600 0180 4131 Capacitor 4 7 F 35V C601 0160 4835 Capacitor 0 1 F 10 50V C602 0...

Страница 100: ...6575A 6675A 0160 5410 Capacitor 3300pF 5 C682 0160 4799 Capacitor 2 2pF C683 Model specific 6571A 6671A 0160 5468 Capacitor 0 47 F 50V 6572A 6672A 0160 5469 Capacitor 1 F 10 6573A 6673A 6574A 6674A 0...

Страница 101: ...6672A 0160 5098 Capacitor 0 22 F 10 6573A 6673A 0160 4835 Capacitor 0 1 F 10 50V 6574A 6575A 6674A 6675A 0160 4834 Capacitor 0 47 F 10 C717 Model specific 6571A 6574A 6671A 6674A 0160 4808 Capacitor 4...

Страница 102: ...GEN PRP D620 621 626 627 630 631 641 1901 1098 Diode 1N4150 D651 1901 0880 Diode GEN PRP D660 661 1901 1098 Diode 1N4150 D662 665 1901 0880 Diode GEN PRP D666 668 1901 1098 Diode 1N4150 D676 1901 0880...

Страница 103: ...62 Resistor 46 4K 1 R535 0757 0280 Resistor 1K 1 0 125W R540 0757 0273 Resistor 3 01K 1 R541 0698 3155 Resistor 4 64K 1 R542 0757 0442 Resistor 10K 1 0 125W R543 0757 0289 Resistor 13 3K 1 R544 0757 0...

Страница 104: ...666 Model specific 6571A 6671A Not used 6572A 6672A 0757 0199 Resistor 21 5K 1 6573A 6673A 0757 0441 Resistor 8 25K 1 6574A 6674A 0757 0447 Resistor 16 2K 1 6575A 6675A 0698 3157 Resistor 19 6K 1 R66...

Страница 105: ...Resistor 432K 1 6574A 6674A 0699 1254 Resistor 536K 1 0 125W 6575A 6675A 0699 0070 Resistor 3 16 M 1 R691 Model specific 6571A 6671A 0757 0442 Resistor 10K 1 0 125W 6572A 6672A 0757 0451 Resistor 24...

Страница 106: ...1 0 l25W 6572A 6672A 0699 0088 Resistor 1 21M 1 6573A 6673A 6574A 6674A 0683 2755 Resistor 2 7M 1 0 25W 6575A 6675A 0683 6855 Resistor 6 8M 5 0 25W R715 0698 3279 Resistor 4 99K 1 R717 0699 0070 Resis...

Страница 107: ...istor 301 1 0 125W 6572A 6672A 6573A 6673A 0699 0083 Resistor 681 0 1 0 1W 6574A 6674A 0699 0211 Resistor 859 0 1 6575A 6675A 0698 7163 Resistor 2 0081K 0 1 R769 0698 3279 Resistor 4 99K 1 R770 Model...

Страница 108: ...757 0280 Resistor 1K 1 0 125W R835 0757 0465 Resistor 100K 1 R836 0698 4479 Resistor 14K 1 0 125W R837 0698 3456 Resistor 287K 1 R839 0699 0088 Resistor 1 2M 1 R840 0698 8827 Resistor 1 M 1 0 125W R85...

Страница 109: ...370 IC 365 U600 1820 3199 IC MC74HC4040N U601 1820 2922 IC MC74HC00N U602 1820 3081 IC MC74HC74N U603 1826 2343 IC VRGLTR SWG U604 1820 2922 IC MC74HC00N U605 1826 0065 IC 31 1 U606 1858 0083 Transist...

Страница 110: ...0180 4333 Capacitor 22 000 F 16V 6572A 6575A 6672A 6675A 0180 4381 Capacitor 20 000 F 25V C905 Model specific 6571A 6671A 0180 4333 Capacitor 22 000 F 16V 6572A 6672A 0180 4381 Capacitor 20 000 F 25V...

Страница 111: ...71A 6573A 6671A 6673A 2110 0713 Fuse submin 10AM 125V 6574A 6674A 2110 0699 Fuse submin 5AM 125V 6575A 6675A 2110 0685 Fuse submin 7AM 125V F902 Model specific 6571A 6571A 6672A 6672A 2110 0713 Fuse s...

Страница 112: ...6573A 6575A 6673A 6675A 1855 1003 MOSFET Q903 Model specific 6571A 6671A 6572A 6672A Not used 6573A 6575A 6673A 6675A 1855 1003 MOSFET Q910 Model specific 6571A 6671A Not used 6572A 6575A 6672A 6675A...

Страница 113: ...5A 6673A 6675A 0699 1075 Resistor 0 1 1 3W R915 Model specific 6571A 6574A 6671A 6674A 0757 0273 Resistor 3 01K 1 6575A 6675A 0698 3358 Resistor 4 02K 1 R916 0698 0082 Resistor 464 1 0 125W R917 Model...

Страница 114: ...4946 Transformer power 6573A 6673A 9100 4945 Transformer power 6574A 6674A 9100 4910 Transformer power 6575A 6675A 9100 4944 Transformer power U901 Model specific 6571A 6671A Not used 6572A 6575A 667...

Страница 115: ...6573A 6673A 5080 2177 6574A 6674A Not used 6575A 6675A 5080 2177 W916 917 Model specific 6571A 6574A 6671A 6674A Not used 6575A 6675A 5080 2177 W918 W921 Model specific 6571A 6671A 6572A 6672A Not us...

Страница 116: ...3A 6673A 0160 6030 Capacitor 0 01 F 400V 6574A 6575A 6674A 6675A 0160 6838 Capacitor 2200pF 1KV R990 991 Model specific 6571A 6671A 572A 6672A 0698 3601 Resistor 10 5 2W MO 6572A 6672A 6573A 6673A 069...

Страница 117: ...n Table 6 4 Al Front Panel Board A2 GPIB Board Used in 667xA Series only A2 Isolator Board Used in 657xA Series only A3 FET Board A4 Input AC Power Board A5 Control Board 3 sheets Secondary Interface...

Страница 118: ...alid GPIB PRX Primary receive serial data DFI Discrete fault indicator PTX Primary transmit serial data DFI EN Discrete fault indicator enable PWM_EN Pulse width modulator enable DPS Downprogramming s...

Страница 119: ...een 0 and 5V U119 4 FPRX Primary receive from front panel serial data line Toggles between 0 and 5V U119 18 FPTX Primary transmit to front panel serial data line Toggles between 0 and 5V A2 Isolator B...

Страница 120: ...easurements at test points through R333 5V secondary bias 5 0 2V R331 15Vs secondary bias 15 0 9V C353 26V 24 4V to 28 6V R330 15Vs secondary bias 15 0 9V C354 25V 22 5V to 27 5V U310 6 RELAY ON 0V U3...

Страница 121: ...g a Programming Voltage scale b Current scale c OV full scale 2 First measurement in CV mode with no load 3 Second measurement in CC mode with output shorted U615 1 VMON Sheet 2 CV mode 4 6V CC mode 0...

Страница 122: ...t 3 See Figure 6 1 U603 3 PWM_EN Sheet 3 Held high for approximately 12 seconds at power on then goes low U603 13 VOS Sheet 3 5 0 2V NOTE Temporarily move both scope leads to J503 for TP J503 1 2 DRV...

Страница 123: ...s that are terminated by flags continue on other sheets and may also go to other locations on the same sheet Example CVPROG SH 2 8C SH 2 8C indicates the sheet number and the coordinates on that sheet...

Страница 124: ...124 Diagrams Figure 6 1 Test Point Waveforms for Table 6 3...

Страница 125: ...Diagrams 125 Figure 6 2 Circuit Board Cabling Diagram...

Страница 126: ...126 Diagrams Figure 6 3 A1 Front Panel Board Component Location Diagram...

Страница 127: ...Figure 6 4 A1 Front Panel Board Schematic Diagram...

Страница 128: ...Figure 6 5 A2 GPIB Board Assembly Diagram 667xA only...

Страница 129: ...2 3 4 1 6 5 Figure 6 6 A2 GPIB Board Schematic Diagram 667xA only 7 8...

Страница 130: ...Figure 6 7 A3 FET Board Assembly Diagram and Test Point Locations...

Страница 131: ...0699 3974 14 7K A 0699 3987 51 1K A 0699 3988 61 9K A 350 0699 4285 5 1W 1 LM339 1826 GND V 1528 LM339 1826 GND V 1528 MJD45H11 1853 0655 1906 0291 1901 1335 1901 1335 1901 1335 1902 1542 6 2V_5 80UH...

Страница 132: ...9 10 11 15 13 12 17 18 19 24 22 23 25 21 20 Figure 6 9 A4 AC Input Board Assembly Diagram and Test Point Locations 14 16...

Страница 133: ...Figure 6 10 A4 AC Input Board Schematic Diagram 15 13 17 18 25 21 20 16 9 10 11 12 19 24 22 23 14...

Страница 134: ...45 44 46 47 69 68 67 50 51 62 55 61 60 52 58 57 41 42 66 65 63 43 48 70 49 53 59 54 56 40 39 37 36 Figure 6 11 A5 Control Board Assembly Diagram and Test Point Locations 64 38...

Страница 135: ...Figure 6 12 A5 Board Sec CV CC Readback DACs Schematic sheet 1 64 37 38 36 39 40...

Страница 136: ...Figure 6 12 A5 Board CV CC Control Circuits Schematic sheet 2 40 45 46 39 41 42 47 43 48 44...

Страница 137: ...Figure 6 12 A5 Board Switch Downprog OV Monitor Schematic sheet 3 60 56 61 68 67 69 66 59 57 58 62 55 54 53 52 49 51 50 70 64 63 65...

Страница 138: ...Figure 6 13 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6671A 72A...

Страница 139: ...Figure 6 14 A6 Output Filter A7 Snubber Boards Schematic Diagrams 65 6671A 72A A7 Snubber Board...

Страница 140: ...Figure 6 15 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6673A 74A...

Страница 141: ...A7 Snubber Board Figure 6 16 A6 Output Filter A7 Snubber Boards Schematic Diagrams 65 6673A 75A 6673A 74A A7 Snubber Board 6675A only 6675A only...

Страница 142: ...Figure 6 17 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6675A...

Страница 143: ...Figure 6 18 A2 Isolator Board Assembly and Schematic Diagram for 654xA 655xA Models Only...

Страница 144: ...PHONE CONNECTOR PIN DESIGNATIONS 5 3 1 6 4 2 2 3 4 5 6 7 8 REFERENCED TO SUPPLY COMMON REFERENCED TO EARTH GROUND 600V ISOLATION Figure 6 19 A2 Isolator Board Assembly and Schematic Diagram 667xA onl...

Страница 145: ...Change Model 6571A 3206A 00103 8 9 3222A 00118 7 3222A 00123 14 All 17 19 22 37 3635A 00143 39 40 Model 6572A 3203A 00103 8 3203A 00108 7 9 10 11 3216A 00123 14 3422A 00138 37 3626A 00218 39 3635A 00...

Страница 146: ...19 22 36 3502A 00551 38 3619A 00796 39 3632A00932 40 CHANGE 1 In Table 5 9 CHANGE Capacitor from 100pF 5 Agilent P N 0160 4801 to resistor zero ohm Agilent P N 8159 0005 Circuit Reference C506 NOTE Th...

Страница 147: ...ent PN 0699 0118 to 19K 0 05 1 8w Agilent P N 0699 3103 Qty 1 3 Resistor R809 from 16 15K 0 1 1 8w Agilent PN 0699 0489 to 19K 0 05 1 8w Agilent P N 0699 3133 Qty 1 CHANGE 5 In Table 5 9 CHANGE Capaci...

Страница 148: ...9 DELETE Resistor R550 4 99K 1 1 8W Agilent P N 0698 3279 Qty 1 ADD Resistor R896 4 99K 1 1 8W Agilent P N 0698 3279 Qty 1 CHANGE 1 Zener diode VR630 from 6 2V 2 0 4 W H P P N 1902 0509 to 6 19V 2 0 4...

Страница 149: ...4832 Qty 1 2 Resistor R134 from 100 Ohm 5 1 4W Agilent P N 0683 1015 to 1K 5 1 4W Agilent P N 0683 1025 Qty 1 CHANGE 13 In Table 5 6 The power supply unit will not operate with Agilent relay boxes 595...

Страница 150: ...910 For MODEL OPTION 6671A 910 For MODEL OPTION 6674A 910 Service Manual from Agilent P N 5959 3337 to Agilent P N 5959 3384 Qty 1 CHANGE 20 In Table 5 3 CHANGE Operating Manual from Agilent P N 5959...

Страница 151: ...N 1855 0849 Qty 8 to FET MACHED Set Agilent P N 5080 2241 QTY 1 CHANGE 24 In Table 5 6 CHANGE Diode Zener VR102 FROM 11V 2 Agilent P N 1902 3172 to 11V 5 Agilent P N 1902 0959 Qty 1 CHANGE 25 In Tabl...

Страница 152: ...5 7 CHANGE 1 Heat sink Ref D400 from Agilent P N 12050766 to Agilent P N 1205 0861 Qtv 1 2 Heat sink Ref D400 from Agilent P N 1205 0766 to Agilent P N 1205 0861 Qty 1 CHANGE 32 In Table 5 3 CHANGE Fu...

Страница 153: ...dd D910 D911 R910 and VR902 to the down programming circuit This section of the circuit should match Figure 6 16 These components are model dependent In Table 5 6 on page 98 Change the part number of...

Страница 154: ......

Страница 155: ...ts factory 67 calibration password 67 calibration post repair 67 calibration procedure 11 CC annunciator 57 CC load effect testing 24 CC noise PARD testing 24 CC PARD defined 24 Circuits isolator boar...

Страница 156: ...ling 131 DIG CNTL port configuring 61 disassembly procedures 73 downprogrammer FETs location of 75 E electronic load 16 23 error checksum 35 error code E1 35 E10 35 E11 35 E12 35 E2 35 E3 35 E4 35 E5...

Страница 157: ...isions 60 Form performance test record 27 front panel EEPROM factory cal location 68 initialization of 68 transferring constants to 68 front panel operation 11 front panel testing 34 G GPIB error 2 67...

Страница 158: ...erformance test record form 27 performance tests CC 23 performance tests CV 20 power FETs replacing 121 122 power on selftest 34 power on selftest disabling 34 protective earth ground 13 R record shee...

Страница 159: ...es identical 60 SA signatures similar 60 SA test header jumper 61 Schematic notes 129 SCPI programming 11 secondary interface testing 34 sense terminals 17 serial number 12 serial number prefix 12 set...

Страница 160: ...st record 27 TORX screws 72 transformer variable voltage 16 transient recovery time 16 Troubleshooting test points 125 troubleshooting chart output held high 47 ov at turn on 43 secondary downprogramm...

Страница 161: ...09 Information about the A3 FET assembly has been updated The surface mount A3 FET assembly is the recommended replacement part for previous version A3 assemblies 7 09 The performance test records on...

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