Agilent Technologies E4423B Guida rapida
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.
© Copyright 2007 Agilent Technologies Inc.
3
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
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Installation Kit Parts List
Table 1 Replacement Cable Kit for W42 E4400-60750
Item Quantity Description Part Number
12
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
12
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
11
Retainer Ring 0510-1643
2 1 Retainer Cable E4400-40002
3 1 Cable Coherent Carrier E4400-20024
4 1 Installation Note E4400-90660
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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.
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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.
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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.
8
Figure 1 Outer and Inner Cover Removal
9
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
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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
Questo manuale è adatto per i seguenti modelli
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