Agilent Technologies Agilent E3615A Serials KR83506197 Step Measure Response Probable Cause

Page 25

Table A-5. Low Output Voltage Troubleshooting (Cont’d)

STEP

ACTION

 

RESPONSE

 

PROBABLE CAUSE

 

 

 

 

4

Check voltage from pin 13 to

a. Measured voltage is positive.

a. Check U9A is defective.

 

pin 12 of U9.

b.

Measured voltage is negative.

b. Check U10 and U9D is defective.

 

 

 

 

 

Check R85 is open.

 

 

 

 

 

5

Check voltage from pin 6

a. Measured voltage is positive.

a.

U9B is defective.

 

to pin 5 of U9.

b.

Measured voltage is negative.

b.

Check U9C is defective.

 

 

 

 

 

 

Table A-6. Preregulator/Control Circuit Troubleshooting

STEP

 

 

MEASURE

 

RESPONSE

 

PROBABLE CAUSE

 

 

 

 

 

1

Set output voltage to 4.5 V +- 0.5 V for E3614A.

 

 

 

Set output voltage to 10 V +- 1 V for E3615A.

 

 

 

 

Set output voltage to 15 V +- 1 V for E3616A.

 

 

 

 

Set output voltage to 26 V +- 5 V for E3617A.

 

 

 

 

 

 

 

 

 

2

E3614A

 

Waveform form from

a.

Normal firing pulse

a. Check CR18, CR15, Q7, Q8

 

E3615A

 

TP6(common) to point 6

 

 

 

for defective.

 

 

 

 

b.

No firing pulse

b. Proceed to step 3.

 

 

 

 

 

 

 

 

E3616A

 

Voltage from TP6

a.

High voltage (+0.7 V)

a. CR15, CR18, U2, U21

 

 

 

(common) to point 6

 

 

 

defective

 

 

 

 

b. Low voltage (0 V)

b. Proceed to step 3.

 

 

 

 

 

 

 

3

Voltage from TP6(common) to

a.

Low voltage (-12 V)

a.

U3 defective

 

U4 pin 1

 

b.

High voltage (+5 V)

b. Proceed to step 4.

 

 

 

 

 

 

4

Voltage from TP6(common) to

a.

High voltage (+15 V)

a.

U4 defective

 

U5 pin 1

 

b.

Low voltage (-12 V)

b. Proceed to step 5.

 

 

 

 

 

 

5

Voltage from pin 6 to

a.

Measured voltage is positive.

a.

U5 defective

 

pin 7 of U5

 

b.

Measured voltage is negative.

b.

U6 defective

 

 

 

 

 

 

6

Set output voltage to 7 V +- 1 V for E3614A.

 

 

 

 

Set output voltage to 16 V +- 2 V for E3615A.

 

 

 

 

Set output voltage to 25 V +- 2 V for E3616A.

 

 

 

 

Set output voltage to 44 V +- 5 V for E3617A.

 

 

 

 

 

 

 

 

7

Waveform form from TP6

a.

Normal firing pulse

a. CR10, CR12, Q5, Q6

 

(common) to point 7

 

 

 

defective

 

 

 

 

b.

No firing pulse

b. Proceed to step 8.

 

 

 

 

 

 

8

Voltage from TP6(common)

a.

Low voltage (-12 V)

a.

U3 defective

 

to U4 pin 14

 

b.

High voltage (+5 V)

b. Proceed to step 9.

 

 

 

 

 

 

9

Voltage from TP6(common)

a.

High voltage (+15 V)

a.

U4 defective

 

to U5 pin 14

 

b.

Low voltage (-12 V)

b. Proceed to step 10.

 

 

 

 

 

 

10

Voltage from pin 8 to

a.

Measured voltage is positive.

a.

U5 defective

 

pin 9 of U5

 

b.

Measured voltage is negative.

b.

U6 defective

 

 

 

 

 

 

 

 

A-11

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Contents Agilent E361xA 60W Bench Series DC Power Supplies Safety Summary Operating Instructions General Information Meter Programming Resolution Operating Temperature RangeTemperature Coefficient Line FuseInstallation Data InstallationInput Power Requirements Initial InspectionPower Cord TURN-ON Checkout ProcedureOperating Instructions IntroductionConnecting Loads Local Operating ModeOperating Modes Operation Beyond Rated OutputRemote Voltage Sensing Remote Operating ModesRemote Analog Voltage Programming Normal Parallel Operation MULTIPLE-SUPPLY OperationAUTO-PARALLEL Operation Gramming according to the remote-programming instructions Normal Series OperationTotal output voltage to ground must not exceed 240 Vdc AUTO-SERIES Operation= slave output voltage AUTO-TRACKING OperatonLoad Considerations Service Information Test Equipment Required MaintenanceOperation Verification Tests Performance Tests Type Required Characteristics USE Recommended ModelMeasurement Techniques Load Regulation Load Effect Constant Voltage CV TestsLine Regulation Source Effect Load Transient Response TimePardrms Measurement PARDRipple and NoisePARDPeak-to-Peak Measurement CV Drift Stability Constant Current CC TestsCC Drift Stability Adjustment and Calibration ProcedureOverall Troubleshooting Procedure TroubleshootingReference and Bias Circuit Regulating Loop TroublesOvervoltage Protection Circuit Troubles Symptom Checks and Probable CausesStep Action Response Probable Cause Step Measure Response Probable Cause Replaceable Parts Table A-10. Replaceable Parts List Table A-10. Replaceable Parts List Contd R28,111 0698-3228 Resistor 49.9K +-1% .125W TF TC=0+-100 RESISTOR-VAR 10K +-10% ALL IC V RGLTR-FXD-POS 4.8/5.2V TO-220 PKG ALL DIODE-GEN PRP 180V 200MA DO-35 ALL Table A-11. Component Value Model Manual Supplement T E Constant Voltage ModeProgramming Voltage Common to the Minus Output Alternative Voltage Programming Using ResistorsR1 and R2 should be in the 1KΩ to 100KΩ range 10-3 Constant Current with Voltage Programming Constant Current ModeCurrent Monitoring Remote Resistor Programming, Constant Voltage Remote Resistor Programming ConnectionsRemote Resistor Programming, Constant Current Certification Declaration of Conformity

Agilent E3614A Serials KR83503035, Agilent E3617A Serials KR83502522, Agilent E3615A Serials KR83506197, Agilent E3616A Serials KR83502651 specifications

Agilent Technologies is a leading player in the field of electronic test and measurement devices, providing essential tools for engineers and scientists. Among their array of power supplies, models such as the Agilent E3616A, E3615A, E3617A, and E3614A stand out for their exceptional performance, reliability, and technological features.

The Agilent E3616A is a precision DC power supply known for its ability to deliver a maximum output of 60V and 3A. Its serial number, KR83502651, signifies its unique identity. This model is particularly valued in laboratory environments due to its advanced programming capabilities. It offers a comprehensive range of output voltage and current settings, making it versatile for various applications. One of its main features is the built-in 6V at 3A output, which can be useful for testing other devices.

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The Agilent E3617A, identifiable by its serial number KR83502522, is another high-performance model that offers a maximum output of 30V and up to 3A. It features built-in read-back capabilities, enabling engineers to monitor the actual voltage and current supplied to the load. The E3617A stands out for its programmable output, allowing automated testing sequences to be implemented with ease.

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With their high-precision outputs, easy programmability, and user-friendly interfaces, these Agilent power supplies serve as essential tools for a variety of testing and research needs, reflecting Agilent Technologies' commitment to quality and innovation in electronic measurement solutions.
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