Agilent Technologies E4423B Kurzanleitung

Installation Note

Part Number E4400-90660

Printed in USA August 2007

Agilent Technologies ESG Vector Signal Generator

E4423B, E4424B, E4425B, E4426B,

E4434B, E4435B, E4436B, and E4437B

Semi-Rigid Cable Replacement Kits

Kit Part Numbers:

E4400-60750,

E4400-60751,

and E4400-60752

Notice

The information contained in this document is subject to change without notice.

Agilent Technologies makes no warranty of any kind with regard to this material, including but not limited to, the

implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies shall not be liable

for errors contained herein or for incidental or consequential damages in connection with the furnishing,

performance, or use of this material.

Agilent Technologies ESG Vector Signal Generator

E4423B, E4424B, E4425B, E4426B,

E4434B, E4435B, E4436B, and E4437B

Semi-Rigid Cable Replacement Kits

Kit Part Numbers: E4440-60750, E44000-60751, and E4400-60752

Introduction

This kit contains the parts and instructions to replace the semi-rigid cables on the E4438C Vector Signal Generator.

Installation includes the following steps:

1. Functionality Check.

2. Remove the outer and inner covers.

3. Remove daughterboard card cage boards.

4. Remove the old semi-rigid cables.

5. Install the new semi-rigid cables.

6. Replace daughterboard card cage boards.

7. Replace inner covers.

8. Verify the functionality of the signal generator.

9. Re-calibrate the signal generator.

10. Re-assemble the signal generator

11. Perform the functionality check of the signal generator.

Product Affected: . . . . . . . . . . . . . . . . . . . . . . . . . E4423B, E4424B, E4425B, E4426B,

E4434B, E4435B, E4436B, and E4437B

Serial Numbers: . . . . . . . . . . . . . . . . . . . . . . . . . . All

Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All

To Be Performed By: . . . . . . . . . . . . . . . . . . . . . . (X) Agilent Technologies Service Center

( ) Personnel Qualified by Agilent Technologies

( ) Customer

Estimated Installation Time: . . . . . . . . . . . . . . . 1.0 hours

Estimated Verification Time: . . . . . . . . . . . . . . . 1.0 hours

Installation Kit Parts List

Table 1 Replacement Cable Kit for W42 E4400-60750

Item Quantity Description Part Number

Retainer Ring 0510-1643

2 2 Retainer Cable E4400-40002

3 1 Cable AY Jumper E4423-20025

4 1 Installation Note E4400-90660

Table 2 Replacement Cable Kit for W43 E4400-60751

Item Quantity Description Part Number

Retainer Ring 0510-1643

2 2 Retainer Cable E4400-40002

3 1 Cable out to Synth E4423-20026

4 1 Installation Note E4400-90660

Table 3 Replacement Cable Kit for W44 E4400-60752

Item Quantity Description Part Number

Retainer Ring 0510-1643

2 1 Retainer Cable E4400-40002

3 1 Cable Coherent Carrier E4400-20024

4 1 Installation Note E4400-90660

Tools Required

• TORX T-10 driver

• TORX T-15 driver

• TORX T-20 driver

• Long Nose pliers

• 5/16 open-ended wrench

Safety Considerations

WARNING Before you disassemble the instrument, turn the power switch off and unplug the signal

generator. Failure to unplug the signal generator can result in personal injury.

CAUTION Electrostatic discharge (ESD) can damage or destroy electronic components. All work on

electronic assemblies should be performed at a static-safe workstation.

Checking Signal Generator Functionality

Use the following procedure to confirm that the signal generator powers on and that the internal check does not identify

errors. The internal check evaluates the operation of the signal generator and returns an error message if it detects a

problem.

NOTE When signal generators are first connected to ac line power, the error message

ERROR 514, Reference Oven Cold occurs, which causes both the OVEN COLD annunciator and the ERR

annunciator to turn on.

After approximately five minutes, the OVEN COLD annunciator automatically clears, but the ERR

annunciator remains on until all errors are cleared from the error queue.

1. Turn on the signal generator and let it warm up for at least thirty minutes.

2. Run the instrument self-test by pressing Utility > Instrument Info/Help Mode > Self Test > Run Complete Self Test. Upon

completion, a summary of the self-test will be displayed. Use the service guide to troubleshoot any failures detected by

the test.

NOTE Some circuits may require up to 50 minutes to warm up before passing the self-test. If self-tests continue to

fail after 50 minutes of warm up, troubleshoot the instrument.

3. Check to see if the ERR annunciator is on.

• If the ERR annunciator is on, review the error messages in the error queue by pressing

Utility > Error Info >View Next Error Message. The first error message in the error queue appears in the display text

area. (Refer to the signal generator error messages document for information about each error message.)

After resolving all problems causing errors, press Utility > Clear Error Queue(s).

• If the ERR annunciator is off, the signal generator functionality check has passed.

Removing Outer and Inner Covers

Tools Required

• TORX T-10 driver

• TORX T-15 driver

• TORX T-20 driver

Removing the Outer Cover

Refer to Figure 1.

1. Disconnect the power cord.

2. Using a T-20 driver, remove the two strap handles (1) by loosening the screws.

3. Using a T-15 driver, remove the center screws (3) on the four rear-panel feet (2).

4. Remove the four bottom feet (5) and (6) from the cover by pushing and pulling the tab.

5. Slide the outer cover (4) off the frame.

Removing the Inner Top Cover

Refer to Figure 1.

1. Using a T-10 driver, remove the ten screws (10) from the inner-top cover (7).

2. Remove the inner-top cover.

Removing the Instrument Side Cover

Refer to Figure 1.

1. Using a T-10 driver, remove the four screws (8) from the inner-side cover (9).

2. Slide the inner-side cover forward to unlock the sheet metal from the chassis.

3. Remove the inner-side cover.

Figure 1 Outer and Inner Cover Removal

Removing A9, A11, A23, and A24 Daughter Card Cage Boards

Refer to Figure 2.

Use this procedure to remove any one of the following assemblies:

• A9 Ouput Board

• A11 Reference Board

•A23SamplerBoard

• A24 Frac-N Board

1. Remove the right-side cover by removing the four screws that attach it to the instrument chassis.

2. Simultaneously lift the left and right extractors on the board that you want to remove.

3. Remove the board from the card cage slot.

Figure 2 A9, A11, A23, and A24 Daughterboard Card Cage Boards

Replacing W42, W43, or W44

Remove Old Semi-Rigid Cables

For ESG-AP and ESG-DP Series Signal Generators, refer to Figure 3.

For ESG-AP and ESG-DP Series Signal Generator with Option UNB, refer to or Figure 4.

1. Refer to Figure 5. Remove the snap ring (1) from the cable retainer (2) of the cable you want to remove. The cable is

now disconnected from the instrument chassis (3).

2. Disconnect the other end of the cable (4) and remove the cable.

Figure 3 W42, W43, and W44 Semi-Rigid Cable Locations for ESG-AP and ESG-DP Series Signal

Generators

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