Agilent Technologies E8364BPNA Series Guida rapida

IIF

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ADMINISTRATIVE INFORMATION

SERVICE NOTE CLASSIFICATION:

MODIFICATION AVAILABLE

ACTION

CATEGORY:: AGREEABLE TIME

X PERFORMANCE ENHANCEMENT

X SERVICE / RELIABILITY ENHANCEMENT

LOCATION

CATEGORY:

X SERVICE CENTER

AVAILABILITY: Support Life

AUTHOR: DYCS

PRODUCT LINE: WN

ADDITIONAL INFORMATION: To Be Performed By: Agilent-qualified personnel or customer with specific product

repair knowledge –requires instrument disassembly and component replacement.

This service note (written April 3, 2008) applies to all E8364B being manufactured before serial number MY43040912. The

serial number is found at the back of the instrument. This Service Note must go along together with the instrument model

Service Guide during modification.

PRINTED IN U.S.A.

December 2, 2009

Rev. 16 Page 1 of 10

E8364B-07A

S E R V I C E N O T E

Supersedes:

E8364B-07

E8364B PNA Series RF Network Analyzers

Serial Numbers: MY00000000-MY43040911

Add-on mechanical components to enhance instrument reliability

This optional modification is chargeable to customer warranty only if done concurrently with

other instrument repairs in an Agilent service facility.

Parts Required:

P/N Description Qty.

Enhancement No.1 (Applies to all models and options)

E8364-00021 Ribbon Cable Clamp 1

0515-0374 Screw, M3.0x10mm, Pan Head 1

Enhancement No.2 (Applies to all models and options)

E8361-20067 Retainer Clip 2

0515-1644 Machine Screw, M3.0 x 12mm

Flat Head (For Retainer Clip) 2

Enhancement No.3 (Applies to all models and options)

0515-2799 Patch-lock Screw, M3.0x 10mm

Pan Head (For Cable Hold

Wire) 2

3050-0891 Flat Washer (For Patch-lock

Screw) 2

Page 2 of 10 E8364B-07A

Situation:

Further design review has suggested the addition of a clamping mechanism to ensure that the 8121-0118 ribbon

cable can not vibrate loose from the Test Set Motherboard connector during extreme handling.

New clamps and locking screws are being added to ensure that those printed circuit assemblies can not vibrate

loose from their connectors during extreme handling.

Solution/Action:

Enhancement No.1 (Applies to all Options)

1. Required Tool for Ribbon Cable Clamp

a. Gather a standard 10 lb-in breakaway wrench (used for semi-rigid cables).

b. Remove the open end head by loosening set screw. It will be replaced with L-Key shown below.

c. Secure and orient the L-Key to the breakaway handle

2. Ribbon Cable Clamp Installation Instructions

a. Remove and discard existing screw near ribbon cable connector on System Motherboard. See

below.

Page 3 of 10 E8364B-07A

b. Insert Ribbon Cable Clamp under Source Assembly as shown.

Page 4 of 10 E8364B-07A

c. Position the clamp over the Ribbon Connector. Use needle nose pliers if necessary to slide the

clamp into place. Ensure that the edge of the clamp is parallel to the connector and not skewed.

NOTE: Ensure that the Clamp Lip is secured BELOW the edge of the System Motherboard

Page 5 of 10 E8364B-07A

d. Using tweezers, install a new 0515-0374 screw through the hole in the bracket.

e. Use a nut runner tool (T-316130) or alternatively a clean erasure end of a pencil to help run the

screw.

Page 6 of 10 E8364B-07A

f. Secure screw using the modified 10 lb-in breakaway wrench.

Page 7 of 10 E8364B-07A

g. This image shows the final position of the secured clamp.

Enhancement Issue No.2 (Applies to all models and options)

Page 8 of 10 E8364B-07A

The Clip Retainer (E8361-20067) to be secured with Flat Head screw (0515-1644) in 2 places at 9 lb-in. This

Retainer Clip may naturally rotate a bit when being secured, which is acceptable. Note that the existing screw needs

to be removed and discarded prior installing Retainer Clip #1 (shown below in Figure 2a, 2b, and 3).

Figure 1:

Clip Retainer (E8361-20067)

And

Flat Head Screw (0515-1644)

Figure 2a

Figure 2b

Page 9 of 10 E8364B-07A

Enhancement No.3 (Applies to all models and options)

Figure 3

Retainer #1

Retainer #2

Page 10 of 10 E8364B-07A

The Patch-Lock Screw (0515-2799) and Flat Washer (3050-0891) to be used in 2 places and secured at 9 lb-in.

These parts will replace existing screw (0515-0374) used in Step 3 and Step 4 (as shown in Figure 2) to secure the

Phase Lock Board (E8364-60137).

Figure 1:

Patch-Lock Screw (0515-2799)

And

Flat Washer (3050-0891)

Figure 2

Step 2

and

Step 4

Step 1

and

Step 3

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