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28 Installation Note N5242-90003

Description of the Upgrade
Installation Procedure for the Upgrade

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Figure 15

New Test Set Cable Installation

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Summary of Contents for N5241AU-922

Page 1: ...echanical Switches Upgrade Kit For Analyzers with Serial Numbers Prefixed MY SG US5150 and Below Upgrade Kit Order Numbers N5241AU 922 N5242AU 922 N5249AU 922 Keysight Kit Number N5242 60102 To Upgrade PNA X N5241A N5242A or N5249A Option 219 to Option 224 ...

Page 2: ...o U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Software The EULA and the license set forth therein does not require or p...

Page 3: ...ch source port channel a source combiner to the port 1 channel rear panel test set inputs This upgrade kit is only for analyzers with serial numbers prefixed MY SG US5150 and below If the serial number prefix of your analyzer is above this number do NOT proceed with the upgrade Analyzers with serial numbers prefixed MY SG US5150 and below were manufactured prior to February 2012 and have a older c...

Page 4: ...ht com find assist If you do not have access to the Internet please contact your Keysight field engineer If You Have Problems With the Upgrade Kit Contents Keysight stands behind the quality of the upgrade kit contents If you have problems with any item in the kit refer to www keysight com and the Contact Keysight link In any correspondence or telephone conversation refer to the Keysight product b...

Page 5: ...eysight com find softwarelicense To complete the request you will need to gather the following information From the certificate Order number Certificate number The PNA contains extremely sensitive components that can be ruined if mishandled Follow instructions carefully when making cable connections especially wire harness connections The person performing the work accepts responsibility for the f...

Page 6: ...f the analyzer Ex N5242A and click Search 3 Click Technical Support Manuals 4 Click Service Manual 5 Click the service guide title to download the PDF file 6 When the PDF of the Service Guide is displayed scroll through the Contents section bookmarks to locate the information needed Protecting Your Workspace from Electrostatic Discharge For information click on the Chapter 1 bookmark Electrostatic...

Page 7: ... lbs 1 N A 5 16 in torque wrench set to 21 in lbs 1 N A Use a 5 16 in torque wrench set to 10 in lbs on all cable connections except the front and rear panel cable connectors Torque these connections to 21 in lb Products affected N5241A N5242A and N5249A Option 219 Installation to be performed by Keysight service center or personnel qualified by Keysight Estimated installation time 5 0 hours Estim...

Page 8: ...ach combiner to switch bracket 2 0515 1410 Machine screw M3 0 x 6 pan head to attach switch bracket to analyzer 6 0515 0430 Bulkhead connector assembly for rear panel and front panel 9 1250 3805 Termination 50 ohm for rear panel PORT 3 SW TSET IN J7 1 1250 4261 Bulkhead connector front panel SRC 2 OUT 1 and SRC 2 OUT 2 2 08673 60040 Washer for bulkhead connector 2190 0016 2 2190 0016 Hex nut for b...

Page 9: ...4 RF cable rear panel PORT 3 SW TSET IN J7 to A47 SRC 2 mechanical switch 1 N5242 20281 W109 RF cable W9 from A5 26 5 GHz source 1 to A49 port 2 mechanical switch 1 N5242 20268 W110 RF cable A49 port 2 mechanical switch to A28 test port 2 bridge 1 N5242 20262 W111 RF cable A49 port 2 mechanical switch to rear panel PORT 2 SW SRC OUT J2 1 N5242 20285 W112 RF cable rear panel PORT 2 SW TSET IN J1 to...

Page 10: ...l Connectors Step 10 Remove the A19 Test Set Motherboard and the A20 IF Multiplexer Board Step 11 Install the Bulkhead Connectors and Jumpers on the Rear Panel Step 12 Install the Bulkhead Connectors in the Test Set Front Plate Step 13 Install the New Test Set Cables Step 14 Reinstall the A20 IF Multiplexer Board and the A19 Test Set Motherboard Step 15 Replace the Lower Front Panel Overlay Step 1...

Page 11: ...e Outer Cover on page 11 Step 2 Remove the Outer Cover Refer to Figure 1 for this step of the procedure 1 Disconnect the power cord if it has not already been disconnected 2 Remove the strap handles item by loosening the screws item with a T 20 TORX driver on both ends until the handle is free of the analyzer 3 Remove the foot locks item from the four bottom feet item and then remove the four bott...

Page 12: ...rocedure for the Upgrade Figure 1 Outer Cover Removal Step 3 Remove the Inner Cover Refer to Figure 2 for this step of the procedure 1 With a T 10 TORX driver remove the 12 pan head screws item 2 With a T 10 TORX driver remove the 9 flat head screws item 3 Lift off the cover ...

Page 13: ...anel Assembly Refer to Figure 3 for this step of the procedure 1 With a 5 16 in wrench remove all front panel jumpers item 2 With a T 10 TORX driver remove the screws item from the sides of the frame 3 Slide the front panel over the test port connectors Before removing the front panel from the analyzer lift and support the front of the analyzer chassis ...

Page 14: ...ttom side up on a flat surface 2 Remove the following cables in the order listed W4A25 port 1 bridge to W3 from A5 26 5 GHz source 1 board OUT 1 W10A28 port 2 bridge to W9 from A5 26 5 GHz source 1 board OUT 2 W40Front panel REF 2 RCVR R2 IN to A23 mixer brick R2 Leave the gray flexible cables the wire harnesses and the ribbon cables connected where possible Any that are removed should be labeled ...

Page 15: ... for this step of the procedure New parts are listed in Table 1 on page 8 1 Position each mechanical switch on a switch bracket as shown 2 Secure each switch to its bracket using two screws item 0515 1992 for each Make sure that the switches are oriented as shown 3 Position the A50 combiner on one of the switch brackets as shown This will be the bracket with the A46 port 1 mechanical switch 4 Secu...

Page 16: ...itches Refer to Figure 6 for this step of the procedure New parts are listed in Table 1 on page 8 1 Position the switch brackets with the switches and combiner attached in the analyzer as shown Make sure that the switch bracket with the A50 combiner is in the location shown 2 Secure the switch brackets to the analyzer test set deck using two screws item 0515 0430 each ...

Page 17: ...Procedure for the Upgrade Figure 6 Mechanical Switches Installation into the Analyzer Step 8 Install the Second Source Boards Part 1 Install Cables on Second Source Boards Refer to Figure 7 and Figure 8 for this step of the procedure New parts are listed in Table 1 on page 8 ...

Page 18: ... be connected to the A10 frequency reference board later Figure 7 Cable Connections to the Second Source Boards Part 1a 2 Attach semi rigid cables W5 and W7 to the A8 26 5 GHz source 2 board as shown Make sure that both cables are parallel to the A8 26 5 GHz source board as shown in the END VIEW Cable W5 is the longer of the two cables 3 Use a 5 16 in torque wrench set to 10 in lbs to tighten the ...

Page 19: ...oards Part 1b Part 2 Install the Second Source Boards into the Analyzer Refer to Figure 9 for this part of this step of the procedure New parts are listed in Table 1 on page 8 1 Install the A8 26 5 GHz source 2 board and the A13 13 5 GHz source 2 synthesizer board in the analyzer as shown 2 Secure the A8 26 5 GHz source 2 board with two screws item ...

Page 20: ...he three 13 5 GHz Synthesizer boards included in this kit are the RoHS compliant N5240 60076 boards These new boards are not compatible with the old N5230 60002 13 5 GHz Synthesizer boards If the boards installed in your PNA are the old N5230 60002 you must replace ALL of them with the N5240 60076 boards included in this kit refer to your PNA Service Guide s chapter 7 for instructions If your PNA ...

Page 21: ...nstall the Source 2 Front Panel Connectors Refer to Figure 10 for this step of the procedure New parts are listed in Table 1 on page 8 1 Insert two bulkhead connectors item through the holes in the test set deck front panel as shown 2 Secure the bulkhead connectors with two lock washers item and two hex nuts item as shown 3 Torque the hex nuts to 21 in lbs ...

Page 22: ...allation Procedure for the Upgrade Figure 10 Source 2 Front Panel Connectors Installation Step 10 Remove the A19 Test Set Motherboard and the A20 IF Multiplexer Board Remove the A19 Test Set Motherboard Refer to Figure 11 for this part of this step of the procedure ...

Page 23: ...onnector hardware item from the rear panel TEST SET I O connector 4 Remove 10 screws item from the A19 test set motherboard 5 Slide the A19 test set motherboard toward the front of the instrument until the rear panel BNC connectors are free of the rear panel then lift the motherboard and remove it from the analyzer Figure 11 A19 Test Set Motherboard Removal Remove the A20 IF Multiplexer Board Refe...

Page 24: ...em from the rear panel PULSE I O connector 5 Remove four screws item from the A20 IF multiplexer board 6 Slide the A20 IF multiplexer board toward the front of the instrument until the rear panel connectors are free of the rear panel then lift the board and remove it from the analyzer Figure 12 A20 IF Multiplexer Board Removal Step 11 Install the Bulkhead Connectors and Jumpers on the Rear Panel 1...

Page 25: ...e installed later 3 Using a 5 16 in torque wrench set to 21 in lbs tighten the hex nuts on the bulkhead connectors 4 Install the three rear panel jumpers W113 in the locations shown and as listed below and torque the jumper connectors to 10 in lbs a Jumper PORT 1 COMB THRU IN J10 to PORT 1 SW SRC OUT J11 b Jumper PORT 1 COMB ARM IN J9 to SRC 2 SW SRC OUT J8 c Jumper PORT 2 SW TSET IN J1 to PORT 2 ...

Page 26: ...previous two steps for the remaining bulkhead connectors 4 Torque nuts on the front side of test set front plate to 21 in lbs Figure 14 Bulkhead Connectors Installation Step 13 Install the New Test Set Cables Refer to Figure 15 for this part of this step of the procedure New parts are listed in Table 1 on page 8 Follow instructions carefully when making cable connections especially wire harness co...

Page 27: ...chanical switch connector 2 W103 N5242 20282 A47 SRC 2 mechanical switch connector 1 to rear panel SRC 2 SW SRC OUT J8 W104 N5242 20281 Rear panel PORT 3 SW TSET IN J7 to A47 SRC 2 mechanical switch connector 4 W109 N5242 20268 W9 from A5 26 5 GHz source 1 board to A49 port 2 mechanical switch connector 2 W25 N5222 20038 A28 port 2 bridge to front panel REF 2 SOURCE OUT Secure W25 to the side of t...

Page 28: ...28 Installation Note N5242 90003 Description of the Upgrade Installation Procedure for the Upgrade Figure 15 New Test Set Cable Installation ...

Page 29: ... rear of the instrument until the rear panel connectors are completely through the rear panel 2 Loosely reinstall four screws item in the A20 IF multiplexer board 3 Reinstall connector hardware item on five rear panel RF connectors Torque the hex nuts to 21 in lbs 4 Reinstall connector hardware item on the rear panel PULSE I O connector Torque the connector nuts to 6 in lbs 5 Torque the four screw...

Page 30: ...r panel BNC connectors are completely through the holes in the rear panel 2 Loosely reinstall 10 screws item in the A19 test set motherboard 3 Reinstall connector hardware item on 11 rear panel BNC connectors Torque hex nuts to 21 in lbs 4 Reinstall connector hardware item on the rear panel TEST SET I O connector Torque connector nuts to 6 in lbs 5 Torque the 10 screws item to 9 in lbs Follow inst...

Page 31: ... of A46 A47 and A49 Figure 17 A19 Test Set Motherboard Reinstallation Step 15 Replace the Lower Front Panel Overlay Refer to Figure 18 for this step of the procedure New parts are listed in Table 1 on page 8 1 From the back side of the front panel use a blunt object in the cutouts in the lower front dress panel to push on the old overlay item and separate it from the front dress panel 2 From the f...

Page 32: ...the Upgrade 5 Starting from either side loosely place the overlay in the recess on the lower front panel ensuring that it fits tightly against the edges of the recess 6 Once the overlay is in place press it firmly onto the frame to secure it Figure 18 Lower Front Panel Overlay Replacement ...

Page 33: ...een tightened using a 5 16 in torque wrench set to 21 in lbs 2 Reconnect the ribbon cable item to the A1 front panel interface board 3 Slide the front panel over the front panel connectors 4 With a T 10 TORX driver reinstall the 12 screws item in the sides of the frame 5 Reinstall the semirigid jumpers item on the front panel and tighten each of the connectors to 10 in lbs Figure 19 Front Panel As...

Page 34: ... rails On the bottom side of the PNA carefully fold or push down the ribbon cables and wires so they can t be pinched between the hardware and the outer cover Ribbon cables and wires must never be positioned on top of hardware Step 18 Reinstall the Inner Cover Refer to Figure 20 for this step of the procedure 1 Position the inner cover on the analyzer 2 With a T 10 TORX driver install the 12 pan h...

Page 35: ...or this step of the procedure 1 Slide the outer cover over the analyzer frame 2 Install the four rear panel feet item by installing the center screws item with a T 20 TORX driver This procedure is best performed with the analyzer resting on its front handles in the vertical position Do not place the analyzer on its front panel without the handles This will damage the front panel assemblies ...

Page 36: ...RX driver Figure 21 Outer Cover Reinstallation Step 20 Enable Option 224 Procedure Requirements The analyzer must be powered up and operating to perform this procedure The Network Analyzer program must be running Refer to the license message you received from Keysight Verify that the analyzer s model and serial numbers match those on the license message you received from Keysight Obtain a license ...

Page 37: ...se key in the box provided The license key is printed on the license message you received from Keysight Enter this key exactly as it is printed on the message 5 Click Enable 6 Click Yes in answer to the displayed question in the Restart Analyzer box 7 When the installation is complete click Exit Option Verification Procedure Once the analyzer has restarted and the Network Analyzer program is again...

Page 38: ...e Adjustments and Calibration Adjustments The following adjustments must be made due to the hardware changes of the analyzer 10 MHz freq adjustment EE default adjustment synthesizer bandwidth adj only run when EE default adjust is not sufficient source adjustment IF gain adjustment receiver adjustment receiver characterization ...

Page 39: ...hapter 3 bookmark Tests and Adjustments in the PDF Service Guide1 If you experience difficulty with the basic functioning of the analyzer contact Keysight Refer to Contacting Keysight on page 4 Calibration Although the analyzer functions its performance relative to its specifications has not been verified It is recommended that a full instrument calibration be performed using the analyzer s intern...

Page 40: ...40 Installation Note N5242 90003 Description of the Upgrade Installation Procedure for the Upgrade ...

Page 41: ...Installation Note Xxxxx xxxxx 3 ...

Page 42: ...This information is subject to change without notice Keysight Technologies 2007 2017 Edition 2 November 2017 www keysight com ...

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