Agilent Technologies ESG-D Series Guida rapida

Installation Note

Part Number E4400-90663

Printed in USA June 2008

Supersedes None

Agilent Technologies ESG-D Series Signal Generators

Data Generator Assembly Replacement Kit

(Option UN3/UN4 to UN8 + UN9)

Kit Part Number E4400-60767

Models: E4430B, E4431B, E4432B, and E4433B

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.

E4400-60767 Data Generator Assembly Replacement Kit

Option UN3/UN4 to UN8 + UN9

Introduction

The Option UN8 and UN9 Data Generator Assembly Replacement Kit is intended to repair an ESG-D

series signal generator that has a faulty Option UN3 or UN4 data generator assembly. Option UN8 and

UN9 will provide 8M of data pattern RAM, replacing the Option UN3 (Baseband I/Q Generator with 1M of

RAM) or the Option UN4 (Baseband I/Q Generator with 8M of RAM).

The installation process consists of the following basic steps:

1. verifying the functionality of the signal generator

2. removing Option UN3 or UN4

3. installing Option UN8 and UN9

4. installing and verifying new firmware

5. activating Option UN8 and UN9

6. recalibrating and reassembling the signal generator

Product Affected: . . . . . . . . . . . . . . . . . . . . . . . . . E4430B, E4431B, E4432B, E4433B ESG-D Series

Signal Generators

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

Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UN3 or UN4

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

(X) Personnel Qualified by Agilent Technologies

(X) Customer

Estimated Installation Time: . . . . . . . . . . . . . . . 1.5 hours

Estimated Verification Time: . . . . . . . . . . . . . . . 0.1 hours

Installation Kit Parts List

Tools Required

• T-10 TORX screwdriver

• T-15 TORX screwdriver

• Long-nose pliers

• 9/16-in. socket

Safety Considerations

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

disconnect the line cord. 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.

Item Quantity Description Part

Number

Std

Opts

UN9

UN7

UN9

UND

1 1 1 1 Board Assembly, Real-time I/Q Baseband Generator (A7) E4400-60070

2 1 1 1 Board Assembly, Generator/8 Meg (A8) E4400-60195

3 1 1 1 Option UN9 Label 7120-1232

4 1 1 1 Ribbon Cable Interconnect (W19) 8120-8349

5 1 1 1 Ribbon Cable (W18) 8120-8457

6 2 2 2 SMB Cable (W25/W26) 8120-8748

7 3 3 3 Coax Cable (W3/W4/W5) Longer cables, if needed 8120-5063

8 1 1 1 Installation Note E4400-90663

9 1 0 1 Ribbon Cable (W27), A7 to A8 8120-8725

10 1 0 0 Coax Cable (W24), A7 (Opt. UN8) to A5 (Opt. UND) E4400-20131

Verifying the Functionality of the Signal Generator

Power On the Signal Generator and Check for Error Messages

This procedure verifies that the signal generator powers up and that the internal instrument check

identifies no errors.

1. Turn power on to the signal generator by pressing the power switch. The green LED will light. Let the

signal generator warm up for one hour.

2. Cycle the power to the signal generator. The green LED should again be lit and the signal generator

performs a check.

3. When the display is lit, check to see if the ERR annunciator is turned on.

4. If the ERR annunciator is turned on, review the error messages in the queue by pressing Utility >

Error Info. The first error message in the queue is shown in the text area of the display. Refer to the

service guide for information about the error message.

If there is more than one error message (each message will be designated as 1 of n), press the View Next

Error Message softkey until you have seen all of the messages.

5. When you have resolved all of the error messages, press Clear Error Queue(s) to delete the messages.

Then restart this procedure at step two.

NOTE For signal generators with Option 1E5, ERROR 514, Reference Oven Cold will occur

whenever the signal generator is first connected to AC line power. The OVEN COLD

annunciator and the ERR annunciator will both turn on. The OVEN COLD annunciator will

automatically clear after approximately 5 minutes. The error queue cannot be cleared,

however, until the OVEN COLD annunciator has turned off.

Removing Option UN3 or UN4

Use the following procedure to remove Option UN3 or UN4 as a firmware selection and to remove the

hardware associated with Option UN3/UN4.

Removing Option UN3/UN4 in Firmware

1. Preset the signal generator

2. In the MENUS key group, press the hardkey Utility.

3. In the Utility menu, press the softkey Instrument Adjustments, and then select Hardware Options.

The signal generator displays a list of hardware options, and an X indicates a selected option.

4. Highlight Option UN3 or UN4, then press the softkey Deselect Item.

This removes the X, indicating that Option UN3/UN4 is no longer selected.

5. To disable Option UN3/UN4, press the softkey Proceed with Reconfiguration.

6. To verify that you want to reconfigure the signal generator without Option UN3/UN4, press the softkey

Confirm Change (Instrument will Reboot).

The signal generator reboots to the preset condition, and removes Option UN3/UN4.

Removing Option UN3/UN4 Hardware

1. Turn off the line power switch on the signal generator and disconnect the line cord.

2. Loosen the two screws on each handle and remove the two strap handles (Figure 1 on page 7, items 1

and 2).

3. Remove the four bottom feet (Figure 1, item 3).

4. Remove the four rear feet (Figure 1, items 4 and 5).

5. Slide the top cover off the signal generator (Figure 1, item 6).

6. Remove the 11 top cover screws and remove the top cover.

7. Disconnect cables W15, W16, W17, and W19 from the A7 board (Figure 2 on page 7).

NOTE If Option UND is installed, refer to Figure 3 on page 8 and disconnect W15, W16, W17, W18,

and W14 from the dual arb board (A5).

If Option UN7 is installed, refer to Figure 4 on page 8 and disconnect A18W1, W21, and W23

from the bit error rate test board (A6).

8. Remove the baseband generator board (A7).

9. Disconnect cables W3, W4, W5, and W19 from the A8 board (Figure 5 on page 9).

10.Disconnect W18, the rear panel interface ribbon cable, from both the data generator board (A8) and the

rear panel interface board (A17). Discard this older version of W18.

11.Remove the data generator board (A8).

Figure 1 Cover Removal

Figure 2 Option UN3/UN4 A7 Baseband Generator Board and Cables

Figure 3 Option UND A5 Dual Arb Board and Cables

Figure 4 Option UN7 A6 Bit Error Rate Test Board and Cables

Figure 5 Option UN3/UN4 A8 Data Generation Board and Cables

Installing Option UN8 + UN9 Hardware and Cables

Refer to Figure 6 and Figure 7 on page 12 to assist you in installing the new A7 and A8 assemblies.

NOTE If the signal generator has Option UND installed, you will also need to refer to Figure 3 on

page 8.

1. Insert the Board Assy-Generator/1 Meg (A8) into the A14J4 motherboard connector.

2. Insert the Real-Time I/Q Baseband Generator Board (A7) into the A14J3 motherboard connector.

3. Connect W3 (Data) from the front panel to A14P5 on the motherboard.

NOTE If longer cables are required for W3, W4, and W5, use those provided in this upgrade kit.

Using a 9/16-in. socket, remove the shorter cables from the front panel. Resecure them with

the wavey washer and hex nuts. Torque to 21 in-lb.

4. Connect W4 (Data Clock) from the front panel to A14P6 on the motherboard.

5. Connect W5 (Symbol Sync) from the front panel to A14P7 on the motherboard.

6. Insert the W18 ribbon cable provided in this upgrade kit between the A17 ribbon cable interconnect and

A8P2.

NOTE If Option UND is installed, reconnect W18 to both A8P2 and A5P1.

7. Connect W17 (I Out) to the rear panel to A7P405.

NOTE If Option UND is installed, reconnect W17 to A5J1 instead of A7P405.

8. Connect W16 (Q Out) to the rear panel to A7P404.

NOTE If Option UND is installed, reconnect W16 to A5J2 instead of A7P404.

9. Connect W15 (BASEBAND GENREF IN) to the rear panel to A7P403.

NOTE If Option UND is installed, reconnect W15 to A5J3 instead of A7P403. Then connect W24

from A5J4 to A7P403.

10.If Option UN7, bit error rate test board (A6) is installed, refer to Figure 4 on page 8 and reconnect the

following cables:

a. W23 (BER DATA IN) from the rear panel to A6P1

b. W22 (BER CLK IN) from the rear panel to A6P2

c. W21 (BER GATE IN) from the rear panel to A6P3

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