Agilent Technologies E4406A VSA Series Installation and operation manual

Installation Note
Part Number E4406-90278
Printed in USA April 2011 Supersedes February 2005
Agilent E4406A VSA Series Transmitter Tester CPU
Retrofit Kit for Instruments with Serial Prefix
US3948 and below and with CPU Assemblies
E4406-60073 or E4406-60040
Kit Part Number E4406-60238

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 2005, 2011 Agilent Technologies, Inc.

Installation Note E4406-90278 3
A22 CPU Retrofit Kit
A22 CPU Retrofit Kit
Introduction
This kit provides the hardware and installation instructions necessary for installing the E4406-60060
CPU assembly into E4406As with serial prefix US3948 and below and with CPU assemblies
E4406-60073 or E4406-60040.
E4406A instruments with serial numbers US38330001 through US39480824 were originally shipped
with CPU assembly E4406-60040, which was subsequently updated to part number E4406-60073.
This kit enables those instruments with either the E4406-60040 or E4406-60073 assembly to be
updated to the E4406-60060 CPU assembly, which has been standard in the E4406A since February
2000. The E4406-60060 CPU assembly has different drive levels than the E4406-60040 /
E4406-60073 CPU assemblies for the Front Panel Interface assembly and the SCSI assembly. This kit
includes instructions for installing the replacement E4406-60060 CPU assembly and E4406-60065
SCSI board assembly and E4406-60064 Front Panel Interface board assembly.
Contents
Products Affected: VSA E4406A
Serial Numbers: US3948 and below
To Be Performed By: (X) Agilent Service Center
(X) Personnel Qualified by Agilent
(X) Customer
Estimated Installation Time: 2 Hours
Description Agilent Part
Number
CPU Assembly (includes standoff for flash memory and seven
spacers) E4406-60243
Front Panel Interface Board Assembly E4406-63199
SCSI Board Assembly E4406-60065
Installation Note This note

4Installation Note E4406-90278
A22 CPU Retrofit Kit
Before You Start
Before starting to disassemble the instrument:
• Check that you are familiar with the safety symbols marked on the instrument, and read the general
safety considerations and the safety note definitions given in the front of this guide.
• The instrument contains static sensitive components. Read the section entitled “ESD Information”
in the service manual.
WARNING The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the product from all voltage sources while it is being
opened.
WARNING WARNING The instrument contains potentially hazardous voltages. Refer to
the safety symbols on the instrument and the general safety considerations at
the beginning of this service guide before operating the unit with the cover
removed. Failure to heed the safety precautions can result in severe or fatal
injury.
Tools Required
Figure 1 TORX Tool
Description Agilent Part Number
TORX Hand Driver - Size T10 8710-1623
TORX Hand Driver - Size T15 8710-1622
TORX Hand Driver - Size T20 8710-1615
9/16” Deep-Socket Nut Driver 8720-0008
static-free work area N/A

Installation Note E4406-90278 5
Installation Procedure
Installation Procedure
Step 1. Remove the Outer Case
CAUTION If the instrument is placed on its face during any of the following procedures, be
sure to use a soft surface or soft cloth to avoid damage to the front panel, keys, or
input connector.
1. Disconnect the instrument from ac power.
2. There are two handles on the sides of the instrument that must be taken off. Refer to Figure 2.
Using the T-20 driver, loosen the screws that attach each handle (1). Remove the handles.
3. Remove the four bottom feet (2). This is done by lifting up on the tabs on the feet, and sliding the
feet in the direction indicated by the arrows.
4. Using the T-20 driver, remove the four screws (3) that hold the rear feet (4) in place.
5. Pull the instrument cover (5) off toward the rear of the instrument.
Figure 2 Instrument Outer Case Removal

6Installation Note E4406-90278
Installation Procedure
Step 2. Remove the Top Brace
1. Using the T-10 driver, remove the 7 top screws, one is covered with the security label (3) and the
10 side screws (2) attaching the top brace (1) to the deck. The top screws are different from the
side screws. Be careful not to mix them.
2. The top brace can now be removed from the deck.
Figure 3 Top Brace Removal

Installation Note E4406-90278 7
Installation Procedure
Step 3. Remove the A25 SCSI Board
1. At the rear of the instrument, use a T-10 driver to remove the 7 screws (1) securing the small
panel to the frame.
2. The A25 board can be removed through the rear panel by pulling upon the board to disengage it
from the CPU board.
3. If the board hits the rear frame and will not come out, using the flat blade screwdriver, remove the
2 screwlocks (2) that secure the dress panel (3) to the A25 board
Figure 4 SCSI Board Removal

8Installation Note E4406-90278
Installation Procedure
Step 4. Remove the A22 CPU Assembly
1. Locate and unseat the A10 Digital IF assembly and the A7 BaseBand IQ assembly (if present).
(See Figure 5.) It is not necessary to completely remove the assemblies from the instrument or
disconnect any of the cables connected to the digital IF assembly or the baseband IQ assembly. The
assemblies must be pulled up far enough to clear the processor board enclosure when removing the
A22 Processor assembly.
2. On the rear of the instrument, remove the 14 screws that secure the A22 Processor assembly to the
rear frame. (See Figure 5.)
3. Carefully pull out the processor assembly using the handle on the processor plate. There are
standoffs on the bottom of the processor board that could be damaged or come loose if they catch
on the instrument frame when the processor is being removed.
Figure 5 CPU Board Removal

Installation Note E4406-90278 9
Installation Procedure
Step 5. Remove the A22A1 DRAM and A22A2 Flash Memory Assemblies
1. Orient the A22 Processor assembly so its rear-panel plate is facing you. Locate the A22A1 DRAM
Memory and A22A2 Flash Memory assemblies. (See Figure 5).
2. Cut the 4 plastic standoffs around the A22A1 assembly and the 4 plastic standoffs around the
A22A2 assembly with diagonal pliers or a utility knife. Carefully lift the A22A1 DRAM and the
A22A2 Flash Memory assemblies to avoid damaging the connectors on the processor assembly.
3. Remove the remains of the standoffs with long-nosed pliers.
4. Set aside the old CPU assembly.
Step 6. Install the A22A1 DRAM and A22A2 Flash Memory Assemblies onto the
replacement A22 E4406-60060 CPU Assembly
1. Orient the replacement A22 Processor assembly so its rear-panel plate is facing you.
2. Install the 8 plastic standoffs (included in the CPU Retrofit Kit) into the CPU board.
3. Carefully position the Flash board over the plastic standoffs and press on the 4 corners of the Flash
board to snap the board into the standoffs. Assure the CPU connector and Flash board connector
are mated.
CAUTION When installing the A22A2 Flash Memory assembly or A22A1 DRAM Memory
assembly, do NOT press on the center of the boards to seat them. Pressing on the
center of the assembly could result in damage to the PC board traces or
components on the PC board.
4. Carefully position the DRAM board over the plastic standoffs and press on the 4 corners of the
DRAM board to snap the board into the standoffs. Assure the CPU connector and DRAM board
connector are mated.

10 Installation Note E4406-90278
Installation Procedure
Step 7. Install the replacement A22 CPU Assembly and A25 SCSI Assembly
1. Slide the CPU assembly back into the chassis and assure the CPU and motherboard connector
mate. The CPU plate should fit snugly against the rear frame.
2. Install the Digital IF (A10) assembly into slot 4. Assure the cables are not pinched when the
assembly is inserted. Hook the ejectors under the tabs on the rear frame and mid web. Carefully
push down on the ejectors to mate the assembly with the motherboard connectors.
NOTE If the Digital IF (A10) assembly is not snugly installed so that it mates well with
the mother board and CPU board, the instrument will not function correctly when
turned on. If the instrument reports a serial number of “0” after completing this
retrofit and does not align correctly, you must re-seat the Digital IF so that it mates
properly with the motherboard and CPU assembly. If a problem persists with not
being able to correctly insert the Digital IF assembly, remove the CPU rear plate
and install the CPU board, then install the Digital IF, then re-attach the CPU plate.
3. Install the Base band I/Q (A7) assembly (if present) into the slot that it was originally installed
(either slot 1 or slot 2). Assure the cables are not pinched when the assembly is inserted. Ensure
that the Base band I/Q assembly mates snugly with the mother board assembly and CPU assembly.
4. Install the replacement SCSI board by inserting it into the opening on the rear frame. Carefully
position the board in the CPU board connector and push down to mate. Replace the 6 screws using
a T-10 driver. Torque to 9 inch pounds.
5. Using the T-10 driver, secure the CPU assembly to the rear frame with the 14 screws. Torque to 9
inch pounds.