Overall Troubleshooting (sheet 2)

A From Sheet 1

Voltage display

 

No

 

within spec

 

 

?

 

 

 

 

 

 

 

 

 

 

 

 

Check cables from A1

Reads approx. right

 

 

 

A5J722-1

(Vmon)

 

No

 

 

main board to A5 DSP

 

No

 

 

 

 

 

 

 

 

 

but outside spec

 

 

 

approx. 4.1V

 

 

 

 

board.

?

 

 

?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

CV

No

Annunciator

on ?

Yes

Yes

Calibrate the supply. See Appendix A in the Operating manual.

See CV/CC Status Annunciator Troubleshooting" paragraph

Yes

Voltage readback circuit on A5 DSP board defective.

Turn off the supply and connect a short across the output terminals. Turn on and program full scale voltage and current using front panel keys. Check output current with an external ammeter.

Output current

No

C

To Sheet4

within spec?

 

 

 

Yes

Current display

 

 

 

 

 

 

 

 

Reads approx.

 

 

 

 

 

No

 

 

 

No

within spec?

 

 

 

 

 

right but outside

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spec?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Calibrate supply. See Appendix A in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the Operating manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Current readback circuit on

 

 

 

CC Annunciator

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

A5 DSP board defective

 

 

 

on ?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

D To Sheet3

 

 

 

 

 

Check cables from A1

A5J722-3 (Imon)

 

No

 

 

 

 

 

Main board to A5 DSP

approx. 4.4V

 

 

 

 

 

 

 

 

 

 

 

 

 

?

 

 

 

 

 

 

 

 

 

 

Yes

Current readback circuit on

A5 DSP board defective

Figure 3-2. Overall Troubleshooting (sheet 2 of 5)

10

Service Addendum

Page 10
Image 10
Agilent Technologies E4351B, E4350B service manual Overall Troubleshooting sheet 2

E4351B, E4350B specifications

Agilent Technologies, a leader in electronic measurement, offers a range of advanced solutions, including the E4350B and E4351B switching systems. These models are specifically designed to meet the increasing demands of modern testing environments, providing high reliability and precision for a variety of applications.

The Agilent E4350B is known for its low resistance switching capabilities, making it an ideal choice for applications requiring accurate and repeatable measurements. It supports up to 16 channels of low resistance testing, allowing engineers to simulate complex electrical paths and identify potential issues in circuit designs. With an optional temperature measurement capability, users can monitor the thermal performance of components directly during tests.

On the other hand, the E4351B model enhances flexibility with a modular design, offering an extensive range of input and output configurations. This instrument is particularly well-suited for automated test systems, providing the ability to connect multiple devices and manage them seamlessly. Its high-speed switching technology enables quick toggling between channels, ensuring that large datasets can be acquired swiftly without compromising accuracy.

Both models employ advanced contact technology, which minimizes the potential for signal degradation, ensuring that users receive reliable data with minimal noise interference. This feature is crucial in applications where signal integrity is paramount, such as in research and development or quality assurance processes.

Enhanced user interfaces simplify operations for both novice and experienced technicians. The built-in touchscreen and intuitive navigation allow for easy setup and operation, significantly reducing the learning curve. Furthermore, the comprehensive software support provided by Agilent facilitates integration with various programming environments, allowing for custom test sequences tailored to specific needs.

Moreover, both E4350B and E4351B systems are built with durability in mind. The robust construction ensures long-term reliability, reducing downtime and maintenance costs. This makes them ideal candidates for both laboratory settings and field operations where consistent performance is critical.

In summary, Agilent Technologies’ E4350B and E4351B models are distinguished by their precision, flexibility, and robust performance. Their advanced features and user-friendly design make them suitable for a wide variety of applications, from routine testing to complex R&D projects. By leveraging modern switching technologies, these systems set a high standard for electronic measurement, aiding engineers in developing reliable electronic solutions.