Keysight Technologies N5221BU-4S7 Manual Download Page 3

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Keysight Add Direct Digital Synthesizer (DDS) 4-Port Upgrade Kit
Upgrade Kit Numbers: N5222-60133
Installation Note

Description of this Upgrade

This upgrade adds direct digital synthesis capability to your microwave

network analyzer. This is done by removing the existing frequency reference,

13.5 GHz synthesizer boards (x3), and installing a new direct digital synthesizer

assembly.
Refer to

“Overview of the Installation Procedure” on page 9

This upgrade adds the following items to your

N5221/2B or N5241/2/9B

network

analyzer:

— direct digital synthesizer (DDS) assembly
— new fans
— new cables

This repair must be done at a service center or a self-maintainer service

center! Refer to

“Getting Assistance from Keysight” on page 4

Summary of Contents for N5221BU-4S7

Page 1: ...222BU 4S7 for N5222B N5241BU 4S7 For N5241B N5242BU 4S7 For N5242B and N5249BU 4S7 For N5249B Upgrade Kit Number N5222 60133 Keysight 4 Port N5221 2B and N5241 2 9B PNA Direct Digital Synthesizer DDS...

Page 2: ...ware to 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 li...

Page 3: ...the existing frequency reference 13 5 GHz synthesizer boards x3 and installing a new direct digital synthesizer assembly Refer to Overview of the Installation Procedure on page 9 This upgrade adds the...

Page 4: ...finding a local Keysight office are available on the Web at http www keysight com find assist If you do not have access to the Internet please contact your Keysight field engineer If You Have Problems...

Page 5: ...e1 Downloading the Online PNA Service Guide To view the Service Guide for your PNA model number use the following steps 1 Go to www keysight com 2 In the Search box enter the model number of the analy...

Page 6: ...ction in the PDF of your instrument s Service Guide on www keysight com1 ESD Equipment Required for the Installation 1 See Downloading the Online PNA Service Guide on page 5 Description Keysight Part...

Page 7: ...torque wrench set to 8 in lbs 0 9 N m 1 5 8 in 16 mm nutsetter or open end torque wrench set to 21 in lbs 2 38 N m 1 Needle nose pliers 1 Flat head screwdriver 1 Use a 5 16 in torque wrench set to 10...

Page 8: ...e Assembly for 2 2 GHz CPU and Win10 in N52xxB N5242 60135 8 Rivet Plastic Flat HD 0 17 in DIA 0 33 0 39 in Grip Range Nylon Black finish 0361 1272 2 Screw Machine W Crest Cup Con Washer Pan HD Torx T...

Page 9: ...move Bottom Assemblies and Cables on page 10 Step 3 Remove Most Top Assemblies and Cables on page 12 1 CA Assy RF CA SYNTH J11 SPAM J3 W200 N5240 60115 1 Cable assy fan MB PCB N5240 60116 1 PCA Fan N5...

Page 10: ...page 32 Step 14 Route Gray Cables on page 35 Step 15 Add Back Plate and Cable to Rear Panel Option 422 423 With and Without Option 029 Only on page 37 Step 16 Install SRC3 J13 Label on Rear Panel Opti...

Page 11: ...oard Refer to your Service Guide s Removing and Replacing the A20 IF Multiplexer Board section Set aside all hardware for reuse D Remove the A34 and A42 Port 1 Attenuators Refer to your Service Guide...

Page 12: ...ge 13 F Remove the A18 GPIB Board on page 13 A Remove the A4 A13 Boards For N5221 2B refer to your Service Guide s Removing and Replacing the A4 13 Boards section For N5241 2 9B refer to your Service...

Page 13: ...e 1 synthesizer board J5 B Remove the 15 Midplane Board For N5221 2B refer to your Service Guide s Removing and Replacing the A4 13 Boards section For N5241 2 9B refer to your Service Guide s Removing...

Page 14: ...1 on page 14 Figure 2 on page 15 and Figure 3 on page 15 1 Gather fans 3160 4199 x2 item bracket N5242 00054 item Use fan arrows to correctly orient the fans relative to the bracket 2 Gather fan guar...

Page 15: ...Installation Note N5222 90133 15 Description of this Upgrade Step 4 Assemble Left side Fan Bracket Figure 2 Gather Fans Guards x2 3160 0281 x2 Figure 3 Install Rivets x8 3161 1272 x8...

Page 16: ...e Guide s Removing and Replacing the Fans section Set aside all hardware for reuse Remove the Old Left side Outer Panel Bracket Refer to Figure 4 on page 16 1 Remove screws item seven on the left side...

Page 17: ...and Figure 6 on page 18 3 Rotate chassis bottom side up 4 Remove the screws items through 0515 0372 chassis screws i e starting from the front of the instrument 5 Loosen items and 0515 0372 chassis sc...

Page 18: ...on Note N5222 90133 Description of this Upgrade Step 5 Remove the Old Left Side Outer and Inner Brackets Figure 6 Remove Remaining Left side Inner Panel Bracket Center Screws x1 and Loosen End Screws...

Page 19: ...her end of the inner panel securing it to the chassis Refer to Figure 5 on page 17 9 Lift and remove the inner panel 10 Remove all of the card guides item except for card guide number from old left pa...

Page 20: ...20 Installation Note N5222 90133 Description of this Upgrade Step 5 Remove the Old Left Side Outer and Inner Brackets Figure 7 Left Inner Bracket Card Guides Installation N5242 40002 x7...

Page 21: ...er Brackets Figure 8 Right Inner Bracket Card Guide 4 Removal N5242 40002 Right inner bracket As indicated remove card guide 4 from the right side inner panel NOTE Use needle nose pliers to pinch tang...

Page 22: ...l using needle nose pliers Q 23640A 1 or equivalent and if required a flat head screw driver see Figure 8 on page 21 so that they mirror the right inner panel s installed card guides with card number...

Page 23: ...he Fan Control Board Refer to Figure 10 1 Install the fan control board N5240 60130 to the inner bracket 2 Secure using x2 0515 0372 screws Torque to 9 in lbs 3 Plug the fan cable N5240 60116 from the...

Page 24: ...enter Bracket Refer to Figure 11 for this step 1 Remove x2 0515 0372 screws from motherboard chassis item Discard as these will not be reused 2 Install center support bracket N5240 20136 item 3 Secure...

Page 25: ...side fan side bracket connect the fan wires P2 and P3 to the control board 2 Complete the installation of the left side fan panel by reversing the order of the removal procedure in Step 5 Remove the O...

Page 26: ...our Service Guide s Removing and Replacing the A20 IF Multiplexer Board section Reuse hardware that was set aside from removal step B Reinstall the A70 LFE Board Options 405 420 425 Only Refer to your...

Page 27: ...A21 HMA26 5 RF IN The other end will be connected in Step 12 Install NEW A11 Direct Digital Synthesizer DDS Assembly on page 30 Follow instructions carefully when making cable connections especially...

Page 28: ...Cables Carefully turn the PNA so it is top side up for this step This step contains the following sub steps A Reinstall the A18 GPIB Board on page 29 B Reinstall the Rear Panel on page 29 C Reinstall...

Page 29: ...that was set aside from removal step D Install the A17 CPU Board Refer to your Service Guide s Removing and Replacing the A17 CPU Board section Reuse hardware that was set aside from removal step E In...

Page 30: ...11 Direct Digital Synthesizer DDS Assembly Refer to Figure 14 Figure 15 on page 31 and Figure 16 on page 32 for this procedure 1 Install DDS assembly N5240 60102 into instrument Ensure assembly is ful...

Page 31: ...90133 31 Description of this Upgrade Step 12 Install NEW A11 Direct Digital Synthesizer DDS Assembly Figure 15 A5 A8 A11 DDS Assembly N5240 60102 and A12 Boards Installed A7 Noise Receiver Board Not S...

Page 32: ...synthesizer assembly J5 to A21 HMA26 5 RF IN One end was connected in Step 10 Reinstall Bottom Assemblies and Cables on page 26 W1 N5240 20121 A11 13 5 GHz SRC 1 DD synthesizer assembly J4 to A5 26 5...

Page 33: ...sizer assembly J9 W68 8120 5063 reuse A11 DD synthesizer assembly J10 to rear panel REF OUT W200 N5240 60115 SRC DD synthesizer assembly J16 to SPAM J3 Figure 17 Install Following Flexible Cables to t...

Page 34: ...5 reuse A20 IF multiplexer board P203 to A12 SPAM board J5 W63 N5242 60016 reuse A20 IF multiplexer board P803 to A12 SPAM board J6 W200 N5240 60115 A11 SRC DD Synthesizer assembly J16 to SPAM J3 Figu...

Page 35: ...ade Step 14 Route Gray Cables Step 14 Route Gray Cables Route gray cables as shown in Figure 19 and Figure 20 on page 36 Figure 19 Route Flexible Gray Cables as Indicated 1400 0249 N5242 60012 N5242 6...

Page 36: ...this Upgrade Step 14 Route Gray Cables Figure 20 Route Flexible Gray Cables as Indicated 1400 0249 Noise Receiver Board Applies to Option 029 Only These cables were reinstalled in Step 11 Reinstall S...

Page 37: ...are installed 2 Connect back plate N5240 00015 to the PNA s rear panel item 1 in Figure 21 using x2 0515 0374 screws Torque to 9 in lbs 3 Connect the one end of the N5240 20127 cable to the inside of...

Page 38: ...r Panel Option 422 423 With and Without Option 029 Only Figure 22 Install Semirigid Cable N5240 20127 See also Figure 16 on page 32 1 Connect the other end of the N5240 20127 cable to the back plate T...

Page 39: ...fy that rear panel surface is clean 2 Install SRC3 J13 label to the rear panel Figure 23 Install SRC3 J13 Label on Rear Panel N5240 80042 Step 17 Remove and Replace the A55 Solid State Drive SSD For i...

Page 40: ...the Chapter 7 bookmark Removing the Covers in the PDF Service Guide1 Step 20 Verify the PNA Analyzer Program is Running with the Correct Options 1 Start the Network Analyzer program 2 Once the Networ...

Page 41: ...After the specified adjustments have been performed the analyzer should operate and phase lock over its entire frequency range Else all adjustments must be run per the instrument s Service Guide on w...

Page 42: ...rk Analyzer Service eebackup exe Windows 10 C Program Files Keysight Network Analyzer Service eebackup exe Run the program Click Backup EEPROM Click Backup TSMB Mem Click Backup Synth Mem Applies to V...

Page 43: ...h 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 N7840A performance test softwa...

Page 44: ...install front jumper cables 2 Install the cable guards pushing them over the front jumper cables until the cushioning material touches the front panel of the PNA 3 Install the dust caps on the test po...

Page 45: ...Installation Note Xxxxx xxxxx 3...

Page 46: ...This information is subject to change without notice Keysight Technologies 2007 2020 Edition 1 October 2020 www keysight com...

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