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6-4 Keysight N5264A Service Guide

Replaceable Parts
Replaceable Parts Listings

Replaceable Parts Listings

This section contains the replacement part numbers and their descriptions

for your Keysight microwave PNA. You can find the locations of replaceable
parts in this section:

— listed by reference designator in

Table 6-1

, or

— listed by the type of part in

Table 6-2

Table 6-1

Part Number Location by Reference Designator

Reference

Designator

Description

Location

Front panel interface board

“Front Panel Assembly, Back Side,

All Options” on page 6-7

USB board

Display assembly

A10

Frequency reference board

“Top Assemblies, All Options” on

page 6-11

A11

13.5 GHz synthesizer board (Option 108)

A12

Signal processing ADC module (SPAM) board

A14

System motherboard

A15

Midplane board

A16

Power supply

A17

CPU board

A18

GPIB board

A19

Test set motherboard

“Bottom Assemblies, All Options” on

page 6-18

A20

IF multiplexer board

A21

LO multiplier/amplifier 26.5 (HMA26.5) (Option 108)

A51

Hard disk drive

“Top Assemblies, All Options” on

page 6-11

Table 6-2

Part Number Location by Type of Part

Type of Part

Location

Assemblies

—

“Front Panel Assembly, Front Side, All Options” on page 6-6

—

“Front Panel Assembly, Back Side, All Options” on page 6-7

—

“Top Assemblies, All Options” on page 6-11

—

“Bottom Assemblies, All Options” on page 6-18

—

“Rear Panel Assembly, All Options” on page 6-30

Содержание N5264A

Страница 1: ...ht N5264A PNA X Measurement Receiver Notice This document contains references to Agilent Please note that Agilent s Test and Measurement business has become Keysight Technologies For more information go to www keysight com ...

Страница 2: ... 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 pe...

Страница 3: ...Physical Maintenance 2 2 Electrical Maintenance 2 2 Analyzer Options and Accessories Available 2 3 Pulse I O Adapter N1966A 2 3 Upgrades Available 2 4 Required Service Test Equipment 2 5 Keysight Support Services and Assistance 2 8 Service and Support Options 2 8 Contacting Keysight 2 8 Shipping Your Instrument to Keysight for Service or Repair 2 9 3 Tests and Adjustments Information in This Chapt...

Страница 4: ...n 4 6 Power Up Troubleshooting 4 8 Power Supply Check 4 9 Troubleshooting LCD Display Problems 4 14 Front Panel Troubleshooting 4 16 Front Panel Keypad and RPG Test 4 16 A3 Display Test 4 19 Checking the A2 USB Board 4 19 A1 Front Panel Interface Board 4 20 Rear Panel Troubleshooting 4 21 Checking the USB Ports 4 21 Checking the CONTROLLER Port 4 21 LAN Troubleshooting 4 22 Instrument Block Diagra...

Страница 5: ...es All Options 6 11 Top Cables All Options 6 16 Bottom Assemblies All Options 6 18 Bottom Cables All Options 6 20 Top Hardware and Miscellaneous Parts All Options 6 22 Bottom Hardware and Miscellaneous Parts All Options 6 24 Internal Hardware and Miscellaneous Parts All Options 6 26 External Hardware and Miscellaneous Parts All Options 6 28 Rear Panel Assembly All Options 6 30 Miscellaneous Part N...

Страница 6: ...6 5 7 32 Removing and Replacing the A51 Solid State Drive SSD 7 34 Removing and Replacing the Rear Panel 7 36 Removing and Replacing the Fans 7 38 Removing and Replacing the Lithium Battery 7 40 Post Repair Procedures 7 42 8 General Purpose Maintenance Procedures Information in This Chapter 8 1 Chapter Eight at a Glance 8 1 Conventions Used for Hardkeys Softkeys and Menu Items 8 1 Option Enable Ut...

Страница 7: ...tion Title Summary of Content Start Page Safety Symbols Descriptions of CAUTION and WARNING symbols used throughout this manual page 1 2 General Safety Considerations A list of safety points to consider when servicing your network analyzer page 1 3 Electrostatic Discharge Protection A discussion of electrostatic discharge ESD and related recommendations and requirements for ESD protection page 1 7...

Страница 8: ...rd It calls attention to a procedure that if not correctly performed or adhered to could result in damage to or destruction of the instrument Do not proceed beyond a caution note until the indicated conditions are fully understood and met Warning denotes a hazard It calls attention to a procedure which if not correctly performed or adhered to could result in injury or loss of life Do not proceed b...

Страница 9: ...t could be impaired This product must be used in a normal condition in which all means for protection are intact only If an instrument handle is damaged you should replace it immediately Damaged handles can break while you are moving or lifting the instrument and cause personal injury or damage to the instrument This instrument has autoranging line voltage input Be sure the supply voltage is withi...

Страница 10: ...t be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts then forced convection must be used The measuring terminals on this instrument are designed to be used with external signals described in Measurement Category I but NOT with external signals described in Categ...

Страница 11: ...nalyzer with the outer cover removed for more than 30 minutes as this could cause the analyzer to overheat which could result in costly damage No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers The opening of covers or removal of parts may expose dangerous voltages Disconnect the instrument from all voltage sources while it ...

Страница 12: ...1 6 Keysight N5264A Service Guide Safety and Regulatory Information General Safety Considerations 1 Figure 1 1 Location of Calibration Stickers on PNA ...

Страница 13: ...ons always wear a heel strap when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground yourself before you clean inspect or make a connection to a static sensitive device or test port You can for example grasp the grounded outer shell of the test port or cable connector briefly always ground the center conductor of a t...

Страница 14: ...1 8 Keysight N5264A Service Guide Safety and Regulatory Information Electrostatic Discharge Protection 1 Figure 1 2 ESD Protection Setup ...

Страница 15: ...ipment are required to be separated from normal waste for disposal Reference WEEE Directive 2002 96 EC This symbol indicates that the power line switch is ON This symbol indicates that the power line switch is in the STANDBY position This symbol indicates that the power line switch is in the OFF position This symbol is used to identify a terminal which is internally connected to the product frame ...

Страница 16: ...ry on the A17 CPU board assembly refer to Removing and Replacing the Lithium Battery on page 7 40 The RCM mark is a registered trademark of the Australian Communications and Media Authority Indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use Forty years is the expected useful life of the product This symbol on all pr...

Страница 17: ...iguration Guide which includes a list of options and accessories available for the microwave network analyzers page 2 3 Upgrades Available A list of the upgrades available for your measurement receiver page 2 4 Required Service Test Equipment A list of service equipment that is required to perform performance tests adjustments and troubleshooting page 2 5 Keysight Support Services and Assistance T...

Страница 18: ...ntenance Electrical Maintenance Refer to Review the Principles of Connector Care on page 3 3 To prevent electrical shock disconnect the product from the mains source before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally ...

Страница 19: ...work Analyzers Configuration Guide available online at http literature cdn keysight com litweb pdf 5990 7745EN pdf Pulse I O Adapter N1966A An adapter for connecting between the analyzer s rear panel PULSE I O connector and the coaxial inputs and outputs of external pulse generators and external pulse modulators The adapter contains 11 SMB male coaxial connectors and a mating connector for the rea...

Страница 20: ...m the available list For example Time Domain option would be N5264AU 010 Individual upgrade kits are also available and can be ordered by part number Refer to Miscellaneous Part Numbers on page 6 32 for a complete list of available kits The following table lists the upgrades that are available for your measurement receiver Refer to the previous section Analyzer Options and Accessories Available on...

Страница 21: ...nt of the dynamic accuracy specification is not required the E4418A or E4419A can be used P A T Power sensor Freq 300 kHz to 3 0 GHz Range 30 to 20 dBm N8482A 8482A P A T Power sensor Freq 3 0 GHz to 26 5 GHz Range 30 to 20 dBm N8485A U8485A P A T Dynamic accuracy test set None specified U3020AD01 None P Digital multi meter Voltage and resistance measurement capability Voltage resolution 10 mV Any...

Страница 22: ...tion 020 None P a Unless specified otherwise equipment listed is required for all measurement receiver options b P Performance tests A Adjustments T Troubleshooting R Repair V System verification c Included in the 85052B D calibration kits Equipmenta Critical Specifications Recommended Model or Part Number Alternate Model or Part Number Useb Equipmenta Critical Specifications Recommended Model or ...

Страница 23: ...fety Parts Adjustable antistatic wrist strap N A 9300 1367 None P A T Antistatic wrist strap grounding cord 5 foot N A 9300 0980 None P A T Static control table mat and earth ground wire N A 9300 0797 None P A T Miscellaneous USB flash ROM drive N A Any None P A R a Unless specified otherwise equipment listed is required for all measurement receiver options b P Performance tests A Adjustments T Tr...

Страница 24: ...82A Return to Keysight Calibration Plan The analyzer is delivered with a one year calibration certificate Options are available to have Keysight Technologies provide three or five year calibration coverage perform the annual calibration two or four times Options for basic calibration or ISO IEC 17025 or ANSI NCSL Z540 3 2006 standards compliant calibrations are available After calibration the anal...

Страница 25: ...tic packaging materials Contact Keysight for instructions on where to ship your instrument In any correspondence or telephone conversation refer to the Keysight product by its model number and full serial number With this information the Keysight representative can determine whether your product is still within its warranty period Keysight Technologies reserves the right to reformat or replace the...

Страница 26: ...ance This represents a hardkey a key that is physically located on the instrument This represents a softkey a key whose label is determined by the instrument firmware Menu Item This represents an item in a drop down or pop up menu Section Title Summary of Content Start Page Before You Begin Items to consider or procedures to perform before testing is begun Verify the Operating Environment Protect ...

Страница 27: ...hange with temperature their electrical characteristics change as well It is necessary to keep the environmental levels within the following limits Temperature 23 C 3 C Error corrected temperature range Once the measurement calibration has been done the ambient temperature must be maintained to within 1 C of the calibration temperature Humidity 0 to 95 at 40 C maximum non condensing Altitude 0 to ...

Страница 28: ...es Table 3 1 Connector Care Quick Reference Guide Handling and Storage Do Keep connectors clean Do Not Touch mating plane surfaces Extend sleeve or connector nut Set connectors contact end down Use plastic end caps during storage Store connectors or adapters loose Visual Inspection Do Inspect all connectors carefully Do Not Use a damaged connector ever Look for metal particles scratches and dents ...

Страница 29: ...rench for final connection Tighten past torque wrench break point a Cleaning connectors with alcohol shall only be done with the instrument s power cord removed and in a well ventilated area Allow all residual alcohol moisture to evaporate and the fumes to dissipate prior to energizing the instrument Table 3 1 Connector Care Quick Reference Guide ...

Страница 30: ... To verify the frequency accuracy and range of the analyzer s source output Specification Tested Test Port Output CW Accuracy Equipment Used A frequency counter a test cable and adapters Description of the Test 1 Connect a frequency counter to the rear panel 10 MHz REF OUT connector If the Analyzer Fails this Test If the 10 MHz reference is off by more than 10 Hz perform the 10 MHz Frequency Refer...

Страница 31: ...equency adjustment is used to adjust the frequency accuracy of the network analyzer s 10 MHz frequency reference on the A10 frequency reference board assembly Equipment Used for the 10 MHz Frequency Reference Adjustment Procedure 1 Connect the equipment as shown in Figure 3 1 Connect a GPIB cable between the network analyzer and the frequency counter Figure 3 1 Equipment Setup for the 10 MHz Frequ...

Страница 32: ...ILITY then then then click Synthesizer Bandwidth Adj 2 Follow the instructions and prompts as they are displayed EE Default Adjustment Option 108 This sets the EEPROM data to their default values Procedure 1 Press UTILITY then then then click EE Default Adjustment 2 On the dialog box select Initialize rather than Adjust Verify because an adjustment is typically unnecessary 3 Follow the instruction...

Страница 33: ...apter helps you Identify the portion of the analyzer at fault Locate the specific troubleshooting procedure to identify the assembly or peripheral at fault The sections in this chapter are arranged in a logical troubleshooting order The following table lists the sections and a brief summary of what to look for in that section ...

Страница 34: ...rring after the network analyzer interface is loaded Does the display color appear correct Do the front panel keys function properly Does the front panel USB connector function properly page 4 16 Rear Panel Troubleshooting Problems associated with the rear panel interconnects The data found at these rear panel interconnects can be used to troubleshoot the CPU board page 4 21 Instrument Block Diagr...

Страница 35: ...g Operating the Analyzer With Covers Removed Operating the Analyzer With Covers Removed Do not operate the analyzer with the outer cover removed for more than 30 minutes as this could cause the analyzer to overheat which could result in costly damage ...

Страница 36: ...charge ESD This is important If not properly protected against electrostatic discharge can seriously damage your analyzer resulting in costly repair To reduce the chance of electrostatic discharge follow all of the recommendations outlined in Electrostatic Discharge Protection on page 1 7 for all of the procedures in this chapter ...

Страница 37: ...hese steps Step 1 Order a replacement assembly Refer to Chapter 6 Replaceable Parts Step 2 Replace the faulty assembly and determine what adjustments are necessary Refer to Chapter 7 Repair and Replacement Procedures Step 3 Perform the necessary adjustments Refer to Chapter 3 Tests and Adjustments Step 4 Perform the necessary performance tests Refer to Chapter 3 Tests and Adjustments ...

Страница 38: ...s the Windows operating system running If not refer to Operating System Recovery in Chapter 8 for instructions 4 If other equipment cables and connectors are being used with the instrument make sure they are clean connected properly and operating correctly 5 Review the procedure for the measurement being performed when the problem appeared Are all the settings correct If not correct them 6 If the ...

Страница 39: ...Service Guide 4 7 Troubleshooting Getting Started with Troubleshooting Figure 4 1 Troubleshooting Organization Flowchart Go to Power Up Troubleshooting Go to Front Panel Troubleshooting Go to Rear Panel Troubleshooting ...

Страница 40: ...ating system should start The network analyzer measurement interface should open with an S11 measurement displayed Step 3 If the analyzer powers up correctly continue troubleshooting with Front Panel Troubleshooting on page 4 16 Step 4 If the analyzer does not power up correctly follow these troubleshooting steps If the line switch does not glow go to Power Supply Check on page 4 9 If you cannot h...

Страница 41: ...Assemblies All Options on page 6 11 4 If any power supply voltage is missing it is likely that the problem is a defective A16 power supply the A15 midplane board or another assembly that is loading down the A16 power supply Continue with If Any Supply Voltage Is Missing on page 4 11 to determine the cause of the problem 5 If the line switch is lit correctly and all the power supply voltages appear...

Страница 42: ... safety symbols provided on the instrument and in General Safety Considerations on page 1 3 before operating the unit with the cover removed Make sure that the safety instructions are strictly followed Failure to do so can result in personal injury or loss of life Do not operate the analyzer with the outer cover removed for more than 30 minutes as this could cause the analyzer to overheat which co...

Страница 43: ...tage or over current condition can be the A16 power supply itself or any assembly to which the A16 power supply provides voltage To isolate the cause continue to the assembly removal process as described in the section titled If Any Supply Voltage Is Missing on page 4 11 Table 4 1 Power Supply Measurement Points Test Point Supply Name Expected Level Vdc Test Point Supply Name Expected Level Vdc TP...

Страница 44: ...d refer to Removing and Replacing the A10 A11 and A12 Boards For analyzers with serial numbers prefixed MY SG US5144 and below on page 7 13 7 Remove the A18 GPIB board refer to Removing and Replacing the A18 GPIB Board on page 7 26 Reinstall the A16 power supply assembly and the A17 CPU board assembly 8 Unplug the A51 hard disk drive from the A17 CPU board refer to Removing and Replacing the A51 S...

Страница 45: ... on page 7 17 If only one or two fans are not functioning and the power supplies are within specifications suspect the A14 system motherboard or defective fan s Perform the following procedure 1 Remove the fan bracket with fans attached from the analyzer to expose the fan power cable connections on the A14 system motherboard Refer to Figure 4 3 for location of these connections Refer to Removing a...

Страница 46: ...suspect a defective A14 system motherboard Refer to Removing and Replacing the A14 System Motherboard on page 7 17 Troubleshooting LCD Display Problems This procedure is intended to isolate the faulty assembly when the display is dark If the display is lit but the color mix is faulty refer to A3 Display Test on page 4 19 1 If the display is dim the A3 display assembly is defective Refer to Removin...

Страница 47: ...able cause is the A17 CPU board Refer to Removing and Replacing the A17 CPU Board Assembly on page 7 24 3 If the external VGA monitor displays the correct information verify that the front panel interface ribbon cable is properly plugged into the motherboard connector Refer to Removing and Replacing the Front Panel Assembly on page 7 7 4 If the front panel interface ribbon cable is properly connec...

Страница 48: ...p Troubleshooting on page 4 8 Refer to the following sections to verify the operation of the noted assemblies Front Panel Keypad and RPG Test on this page A3 Display Test on page 4 19 Checking the A2 USB Board on page 4 19 A1 Front Panel Interface Board on page 4 20 If all assemblies are working correctly continue troubleshooting with Rear Panel Troubleshooting on page 4 21 Front Panel Keypad and ...

Страница 49: ...eypad is working If some of the keys are not working suspect a faulty keypad To replace the keypad refer to Removing the A1 Front Panel Interface Board and Keypad Assembly on page 7 9 If none of the keys are working correctly suspect a faulty A1 front panel interface board To replace the A1 front panel interface board refer to Removing the A1 Front Panel Interface Board and Keypad Assembly on page...

Страница 50: ...spect a faulty A1 front panel interface board To replace the A1 front panel interface board refer to Removing the A1 Front Panel Interface Board and Keypad Assembly on page 7 9 Trace 4 Display Bk Sp Traces Avg 0 STIMULUS Keys Channel Cal 1 Freq Navigation Keys MARKER ANALYSIS Keys 2 Power Marker 3 Sweep Search 4 Trigger Memory 5 UTILITY Keys Analysis 6 Save Click 7 Print 8 Macro 9 Recall G n Syste...

Страница 51: ...in How to Identify a Faulty Display Follow the instructions on the screen How to Identify a Faulty Display A display is considered faulty if More than 0 002 of the total pixels have a constant blue green red or black appearance that will not change Three or more consecutive pixels have a constant blue green red or black appearance that will not change If the A3 display assembly is determined to be...

Страница 52: ... the A17 CPU board to the A3 display assembly Checking the Speaker If no audio is heard Verify that the volume is set correctly and the proper sound driver is loaded do the following Press UTILITY then then Click on the Sounds and Audio Devices entry Follow the normal Windows procedure to check the sound drivers and volume If the audio is still not heard suspect a faulty speaker Refer to Removing ...

Страница 53: ... device does not perform correctly remove the non working USB device wait 15 seconds and then reconnect the device to the rear panel USB port If the USB device still does not work and has been verified to work elsewhere then the A17 CPU board is faulty Refer to Removing and Replacing the A17 CPU Board Assembly on page 7 24 Checking the CONTROLLER Port The network analyzer uses a National Instrumen...

Страница 54: ... the instruments on the bus Troubleshooting Systems with Controllers Passing the preceding test indicates that the analyzer s peripheral functions are operating normally Therefore if the analyzer has not been operating properly with an external controller check the following The GPIB interface hardware is incorrectly installed or not operational Refer to the embedded help in your analyzer The prog...

Страница 55: ...etwork to the analyzer How to Ping from the Analyzer to the Local Area Network LAN Follow the steps below to verify proper LAN operation assuming you have a functioning LAN If no network LAN is available see Testing Between Two Analyzers on page 4 25 1 Make sure the IP address on the analyzer is set properly and that it is unique If unsure how to check the IP address refer to the embedded help in ...

Страница 56: ...tatistics for 141 121 69 162 Packets Sent 4 Received 4 lost 0 0 loss Approximate round trip times in milli seconds Minimum 0ms Maximum 0ms Average 0ms 6 The above message verifies that one way communication from the analyzer to the network has been established 7 If the subnet mask was changed in step 2 set it back at this time How to Ping from the Local Area Network LAN to the Analyzer Reverse com...

Страница 57: ...er cable is not available a crossover cable can be made by following the directions in Constructing a Crossover Cable on page 4 25 Set the IP addresses on two analyzers The addresses can be set to anything but they must be different Make sure the subnet mask and gateway addresses are set to 0 0 0 0 and that the LAN is active on both analyzers Connect the two analyzers together using either a cross...

Страница 58: ...n 6 on the other end of the cable d Connect the wire from pin 6 on one end of the cable to the wire from pin 2 on the other end of the cable 3 Insulate all exposed wires so that they cannot short together 4 Label this as a crossover cable so that it cannot be confused with a standard cable Pins 1 2 3 and 6 of the connectors must be located to determine which wires to cut in the following steps Mos...

Страница 59: ...Keysight N5264A Service Guide 4 27 Troubleshooting Rear Panel Troubleshooting Figure 4 5 Construction of a Crossover Cable ...

Страница 60: ...4 28 Keysight N5264A Service Guide Troubleshooting Instrument Block Diagram 4 Instrument Block Diagram N5264A PNA X Measurement Receiver ...

Страница 61: ...CE BAND SERIAL TEST BUS NODES MIXED POWER AND CONTROL SIGNALS FROM THE A19 TEST SET MOTHERBD LOCAL DIGITAL BUS POWER BUS HIGH DENSITY DATA BUS 21 August 2008 N5264A_blk R1 R2 R3 R4 A R D R2 C R1 B IF INPUTS PULSE I O A20 J20 A20 J202 A20 J602 A20 J802 A20 J402 A20 J2 P1 A20 IF MULTIPLEXER PULSE GATES PULSE MODULATION LOGIC DISABLED PulseA Pulse B Pulse R Pulse C Pulse D Main IF A Main IF B Main IF...

Страница 62: ...4 30 Keysight N5264A Service Guide Troubleshooting Instrument Block Diagram 4 ...

Страница 63: ...that the more detailed block diagram located at the end of Chapter 4 be available for reference as you read the information in this chapter Section Title Summary of Content Start Page Measurement Receiver System Operation A summary of the theory of operation for the analyzer A summary of the operation of the major functional groups of the analyzer page 5 2 Synthesized LO Group Operation Option 108...

Страница 64: ...5 1 is a simplified block diagram of the measurement receiver system Figure 5 1 System Simplified Block Diagram Functional Groups of the Measurement Receiver The operation of the network analyzer can be separated into major functional groups Each group consists of assemblies that perform a distinct function in the instrument Some of the assemblies are related to more than one group and all of the ...

Страница 65: ...2 SPAM board for digital processing Refer to IF Multiplexer Group Operation on page 5 12 Digital Processor and Digital Control Group The digital processor and digital control group are divided into a front panel group and a data acquisition and processing group The front panel group provides communication to the network analyzer The data acquisition and processing group provides the output to the ...

Страница 66: ...eration A10 Frequency Reference Board including rear panel interconnects A11 13 5 GHz LO Synthesizer Board Option 108 A21 Multiplier Amplifier 26 5 Board HMA26 5 Option 108 A19 Test Set Motherboard including rear panel interconnects Basic Operation Table 5 2 on page 5 6 lists the A11 LO synthesizer frequency and the A21 HMA26 5 output frequency for each band This table is referred to throughout th...

Страница 67: ...Keysight N5264A Service Guide 5 5 Theory of Operation Synthesized LO Group Operation Option 108 Figure 5 2 Synthesized LO Group Option 108 ...

Страница 68: ...ing ADC module SPAM board The VCO output is also divided by two to produce a 50 MHz reference signal for the A11 13 5 GHz LO synthesizer board Band LO Harmoni c Number N A11 Synthesizer Frequency GHz A21 HMA26 5 Frequency GHz 0 1 2 1 0 01761 to 0 50751 0 01761 to 0 50751 3 1 0 50761 to 1 00761 0 50761 to 1 00761 4 1 1 00761 to 2 00761 1 00761 to 2 00761 5 1 2 00761 to 3 00761 2 00761 to 3 00761 6 ...

Страница 69: ...e output of the synthesizer board while bands 26 28 and 34 36 are passed through another doubler circuit then to the output of the synthesizer board to produce the output frequencies listed in Table 5 2 A21 Multiplier Amplifier 26 5 Board HMA26 5 Option 108 In bands 2 28 the synthesized LO input is filtered amplified and passed through to the rear panel LO OUT connector In bands 29 36 the input is...

Страница 70: ...s connector has Type 2 output pin assignments as listed in Table 5 2 on page 5 9 All signals are TTL compatible Data input output ports consist of two 8 bit output ports Port A and Port B and two 4 bit bidirectional ports Port C and Port D Connector settings can be changed using SCPI and COM commands The settings are not accessible from the front panel PWR I O A DB 9 female connector Pin assignmen...

Страница 71: ... GND 0 V ground reference 2 INPUT1 TTL in negative pulse 1 s min latches OUTPUT1 2 3 4 OUTPUT1 2 TTL out latched 5 12 Port A0 7 Out TTL out latched 13 20 Port B0 7 Out TTL out latched 21 24 Port C I O TTL I O latched 25 28 Port D I O TTL I O latched 29 Port C Status TTL out low input mode high output mode 30 Port D Status TTL out low input mode high output mode 31 Output Strobe Write Strobe TTL ou...

Страница 72: ... Connector Pin Name Description 1 15V 15 V 400 mA 2 15V 15 V 400 mA 3 AnalogOut1 Analog Output Voltage Programmable 10 V 100 mA out Nominally 0 ohms 2 44 mV typical resolution 1 MHz BW 4 AnalogOut2 Analog Output Voltage Programmable 10 V 100 mA out Nominally 0 ohms 2 44 mV typical resolution 1 MHz BW 5 ACOM System ground 6 GndSense Ground sense for Analog In and Analog Out Connected with 51 1 ohms...

Страница 73: ... resolution Rin 1 M ohm BW 1 MHz ADC conversion time 1 us typical 8 AnalogIn2 Analog input 10 V 1 22 mV typical resolution Rin 1 M ohm BW 1 MHz ADC conversion time 1 us typical 9 Power Button Open collector input Active low replicates power button key press Table 5 3 PWR I O Connector Pin Assignments DB 9 Female Connector Pin Name Description ...

Страница 74: ... Control Group A block diagram of the IF multiplexer group is shown in Figure 5 4 on page 5 15 The IF multiplexer group consists of Rear Panel IF Inputs A20 IF Multiplexer Board Rear Panel IF Inputs These inputs provide the five IF input signals that are sent to the A12 SPAM board for digital processing A20 IF Multiplexer Board The A20 IF multiplexer board routes the five rear panel IF input signa...

Страница 75: ...Keysight N5264A Service Guide 5 13 Theory of Operation IF Multiplexer Group Operation Figure 5 3 IF Multiplexer Group ...

Страница 76: ...ut to the display math processing functions and communications between the analyzer and an external controller or peripherals A block diagram of the digital control functional group is shown in Figure 5 4 on page 5 15 The digital control functional group consists of two subgroups Front Panel Subgroup A1 Front Panel Interface Board A2 USB Board A3 Display Assembly Keypad Assembly A14 system motherb...

Страница 77: ...Keysight N5264A Service Guide 5 15 Theory of Operation Digital Processing and Digital Control Group Operation Figure 5 4 Digital Processing and Digital Control Group ...

Страница 78: ... system motherboard The A1 front panel interface board also includes a speaker that emits the audio signals received from the A17 CPU board A2 USB Board This board provides four universal serial bus USB jacks that are industry standard 4 pin connectors allowing multiple USB devices to be connected to the analyzer s front panel A3 Display Assembly The A3 display assembly contains an 10 inch LCD wit...

Страница 79: ...a taking sequence is triggered either externally from the rear panel or by firmware on the A17 CPU board A17 CPU Board The A17 CPU board contains the circuitry to control the operation of the analyzer Some of the components include the central processing unit CPU memory EEPROM ROM RAM bus lines to other board assemblies and connections to the rear panel Some of the main components are described ne...

Страница 80: ... drive assembly SSD is an integrated development environment IDE data storage device which is connected directly to and physically mounted within the enclosure of the A17 CPU board The full operating system and firmware for the network analyzer is stored on the A51 hard disk drive USB x4 Four universal serial bus USB jacks industry standard 4 pin connectors GPIB 0 Controller A 24 pin female type D...

Страница 81: ...g 9 V analog 3 3 V analog 5 2 V analog 15 V standby always on 32 V analog 15 V analog 5 2 V analog 7 V analog 5 1 V standby 12 V digital 3 35 V digital 5 1 V digital The 15 V standby supply remains on continuously whenever the power supply is plugged in This supply is used to provide power to front panel LEDs and CPU components when the analyzer is turned off Supply voltages which oscillate betwee...

Страница 82: ...tent Start Page Ordering Information How to order a replaceable part from Keysight Technologies page 6 2 Assembly Fault Identification and Replacement Sequence The correct sequence for determining the failure of and replacing a defective assembly page 6 3 Replaceable Parts Listings Tables that list the assemblies by reference designator with their associated part number and description Illustratio...

Страница 83: ...nologies for instructions on where to send the order Refer to Contacting Keysight on page 2 8 To order a part that is not listed in the replaceable parts lists include the instrument model number and complete instrument serial number include the description and function of the part indicate the quantity required Contact Keysight Technologies for instructions on where to send the order Refer to Con...

Страница 84: ...placement assembly Refer to Chapter 6 Replaceable Parts this chapter Step 3 Replace the faulty assembly and determine what adjustments are necessary Refer to Chapter 7 Repair and Replacement Procedures Step 4 Determine the necessary adjustments and performance tests to be performed Refer to Table 7 2 Related Service Procedures on page 42 Step 5 Perform the necessary adjustments Refer to Chapter 3 ...

Страница 85: ...ssembly A10 Frequency reference board Top Assemblies All Options on page 6 11 A11 13 5 GHz synthesizer board Option 108 A12 Signal processing ADC module SPAM board A14 System motherboard A15 Midplane board A16 Power supply A17 CPU board A18 GPIB board A19 Test set motherboard Bottom Assemblies All Options on page 6 18 A20 IF multiplexer board A21 LO multiplier amplifier 26 5 HMA26 5 Option 108 A51...

Страница 86: ...l Options on page 6 26 External Hardware and Miscellaneous Parts All Options on page 6 28 Rear Panel Assembly All Options on page 6 30 Miscellaneous Service Tools on page 6 32 Documentation on page 6 32 GPIB Cables GPIB Adapter on page 6 32 Fuses on page 6 32 ESD Supplies on page 6 33 Memory Modules on page 6 32 Upgrades Orderable by Model Number on page 6 32 USB Accessories on page 6 33 Rack Moun...

Страница 87: ... RFI gasket material 1 2 meters in length Must be ordered separately from front frame 0515 2044 12 Machine screw M4 0 x 10 flat head To attach front frame to chassis a a For part numbers of rack mount kits and handle kits refer to Rack Mount Kits and Handle Kits on page 6 33 5041 9183 2 With handles front handle side trim 5041 9174 2 Without handles trim strip filler N5242 80005 1 Keypad overlay N...

Страница 88: ...y Description A1 N5240 60065 Was N5240 60046 1 Front panel interface board A2 N5240 60063 Was N5240 60047 1 USB board not shown N5242 60010 1 Ribbon cable 60 wire A14 system motherboard J9 to A1 front panel interface board J1 N5242 40001 1 Keypad assembly 0515 0430 12 Machine screw M3 0 x 6 pan head 9 to attach front panel interface board to front frame and 3 to attach display cable to display hol...

Страница 89: ... flat head To attach power switch assembly to front frame N5240 60064 Was N5240 60050 1 Power switch board N5240 40001 1 Power button keypad W1312 60047 Was 8121 1452 1 Touch screen controller board cable harness 8121 1451 1 Power switch cable harness 1400 0510 2 Cable clamp with adhesive backing 0515 0667 1 Machine screw M3 0 x 25 pan head To attach display to front frame 2190 0017 1 Lock washer ...

Страница 90: ...1 Cable assembly for LCD backlight a In March 2013 Keysight discontinued using a display with florescent tube backlighting and began using a display with LED backlighting Associated parts are indicated in this table with either Tube or LED If you replace an old part number designated Tube with its new part number designated LED you must also replace ALL of the other old part numbers designated Tub...

Страница 91: ...6 10 Keysight N5264A Service Guide Replaceable Parts Replaceable Parts Listings 6 Figure 6 2 Front Panel Assembly Back Side All Options Figure 6 3 A3 Display Assembly with Old LCD Display 2090 0883 ...

Страница 92: ...placeable Parts Replaceable Parts Listings Figure 6 4 A3 Display Assembly with New LCD Display 2090 1036 Top Assemblies All Options When replacing an old assembly install an assembly with either the same part number or the new part number ...

Страница 93: ... Using the wrong hardware can ruin analyzer components resulting in additional customer costs Ref erenc e Desig nator Serial Number Prefixes Affecteda Part Number Qty Description A10 5204 and above N5240 60069 1 Frequency reference board 5144 and below N5240 60061 Was N5240 60042 A11 All prefixes N5240 60074b 1 13 5 GHz LO synthesizer board with tabs N5240 60076c d or N5230 60002 1 13 5 GHz LO syn...

Страница 94: ...ware A 10 45 xx and above with Windows 7 OS If your instrument is running Windows XP and you do not want to upgrade to Windows 7 it is highly recommended that you upgrade your firmware to 9 90 17 or above Please be aware that Keysight cannot guarantee 100 compatibility with Windows XP and or older versions of firmware 10 45 xx To upgrade your firmware go to http na support key sight com pna firmwa...

Страница 95: ...6 14 Keysight N5264A Service Guide Replaceable Parts Replaceable Parts Listings 6 Figure 6 5 Top Assemblies All Options ...

Страница 96: ...Keysight N5264A Service Guide 6 15 Replaceable Parts Replaceable Parts Listings This page is intentionally left blank ...

Страница 97: ... 1 A20 IF multiplexer board P203 to A12 SPAM board J2 W61 F N5242 60014 1 A20 IF multiplexer board P403 to A12 SPAM board J4 W62 F N5242 60015 1 A20 IF multiplexer board P603 to A12 SPAM board J5 W63 F N5242 60016 1 A20 IF multiplexer board P803 to A12 SPAM board J6 W64 F N5242 60027 1 A10 frequency reference board J4 to A12 SPAM board J3 W65 F N5242 60028 1 A10 frequency reference board J5 to A11...

Страница 98: ...Keysight N5264A Service Guide 6 17 Replaceable Parts Replaceable Parts Listings Figure 6 6 Top Cables All Options ...

Страница 99: ... Bottom Assemblies All Options Reference Designator Part Number Qty Description A19 N5240 60163 Was N5245 60003 or N5240 60043 1 Test set motherboard A20 N5240 60062 Was N5240 60045 1 IF multiplexer board A21 5087 7765 Was 5087 7711 1 LO Multiplier amplifier 26 5 HMA26 5 Option 108 ...

Страница 100: ...Keysight N5264A Service Guide 6 19 Replaceable Parts Replaceable Parts Listings Figure 6 7 Bottom Assemblies All Options ...

Страница 101: ...F multiplexer P3 to A12 SPAM J1 W60 F N5242 60013 1 A20 IF multiplexer P203 to A12 SPAM J2 W61 F N5242 60014 1 A20 IF multiplexer P403 to A12 SPAM J4 W62 F N5242 60015 1 A20 IF multiplexer P603 to A12 SPAM J5 W63 F N5242 60016 1 A20 IF multiplexer P803 to A12 SPAM J6 10R N5242 60005 1 Rear panel PWR I O to A19 test set motherboard J301 24R N5230 60014 Was N5242 60011 1 A19 test set motherboard J20...

Страница 102: ...Keysight N5264A Service Guide 6 21 Replaceable Parts Replaceable Parts Listings Figure 6 8 Bottom Cables All Options ...

Страница 103: ... 0515 0372 12 Machine screw M3 0 x 8 pan head 5 to attach fan bracket to chassis 4 to attach power supply bracket to inner panels left side bracket and fan bracket and 3 to attach A14 system motherboard to the chassis Chassis Refer to Internal Hardware and Miscellaneous Parts All Options on page 6 26 0515 1227 3 Machine screw M3 0 x 6 flat head To attach power supply bracket to power supply W1312 ...

Страница 104: ...Keysight N5264A Service Guide 6 23 Replaceable Parts Replaceable Parts Listings Figure 6 10 Top Hardware and Miscellaneous Parts Top View All Options ...

Страница 105: ...o chassis 4 to attach A21 HMA26 5 to its mounting bracket and 4 to attach test set front sub panel to front of test set deck 0515 0430 2 Machine screw M3 0 x 6 pan head to attach HMA26 5 bracket to test set deck N5235 00018 1 Bracket For ribbon cable clamp N5242 00005 1 Bracket For A21 HMA26 5 N5242 00019 1 Stabilizer bracket Between A19 test set motherboard and A20 IF mux board 1810 0118 2 Termin...

Страница 106: ...Keysight N5264A Service Guide 6 25 Replaceable Parts Replaceable Parts Listings Figure 6 11 Bottom Hardware and Miscellaneous Parts All Options ...

Страница 107: ...s W1312 00048 1 Midplane bracket 5204 and above N5221 00002 1 Right side inner bracket 5144 and below N5242 00033 All prefixes N5242 00001 1 Chassis All prefixes 0515 0372 39 Machine screw M3 0 x 8 pan head 4 to attach midplane bracket to left and right side inner brackets 6 to attach front bracket to left and right side inner brackets 2 to attach side bracket to front bracket 5 to attach side bra...

Страница 108: ...Keysight N5264A Service Guide 6 27 Replaceable Parts Replaceable Parts Listings Figure 6 12 Internal Hardware and Miscellaneous Parts All Options ...

Страница 109: ...an head To attach rear foot N5242 60045 Was E8251 60067 2 Strap handle assembly Includes item 0515 0710 4 Machine screw M5 0 x 18 flat head To attach strap handle 5021 2840 4 Key lock for bottom foot 5041 9167 4 Bottom foot W1312 40032 4 Hole plug When instrument is rack mounted 0515 0372 12 Machine screw M3 0 x 8 pan head To attach inner cover N5221 00001 Was N5264 00003 1 Inner cover retaining s...

Страница 110: ...Keysight N5264A Service Guide 6 29 Replaceable Parts Replaceable Parts Listings Figure 6 13 External Hardware and Miscellaneous Parts All Options ...

Страница 111: ... 0149 1 Hole plug N5242 00010 1 Rear panel 2190 0958 Was 2190 0034 Lock washer 0380 0644 Jack screw 2190 0584 Lock washer 0380 4670 Was 1251 7812 Jack screw 0 442 inch length 1251 7812 Jack screw 0 5 inch length N5242 60005 1 PWR I O cable assembly 1810 0118 1 Termination 50 ohm load 8121 0834 1 HANDLER I O cable assembly 2190 0068 Lock washer 2950 0054 Hex nut Bottom foot Refer to External Hardwa...

Страница 112: ...Keysight N5264A Service Guide 6 31 Replaceable Parts Replaceable Parts Listings Figure 6 14 Rear Panel Assembly All Options ...

Страница 113: ...6 90001 Service Guide Not available in printed form Part number is for reference only Must be printed from the Keysight Web site N5264 90001 GPIB Cables GPIB Adapter GPIB cable 0 5 meter 1 6 feet 10833D GPIB cable 1 meter 3 3 feet 10833A GPIB cable 2 meter 6 6 feet 10833B GPIB cable 4 meter 13 2 feet 10833C GPIB cable to GPIB cable adapter 10834A Fuses Rear Panel Bias Input Fuse Ports 1 2 3 and 4 ...

Страница 114: ...Rack Mount Kits and Handle Kits Rack mount kit for analyzers without handles Option 1CM N5231AU 1CM or N5232AU 1CM or N5239AU 1CM Option 1CM includes the following separately orderable items Rack mount kit rack mount flanges and hardware 1CM042A Was 5063 9217 Rack mount rail set E3663AC Rack mount kit for analyzers with handles Option 1CP N5231AU 1CP or N5232AU 1CP or N5239AU 1CP Option 1CP includ...

Страница 115: ... cover 6010 1147 Parchment white for use on rack mount flanges rack support flanges and front panels 6010 1148 a For rack mount use you must replace factory installed ruggedized handles thick aluminum no trim with classic handles thin aluminum with plastic trim included with Option 1CP Table 6 3 Part Numbers for Miscellaneous Parts and Accessories Continued Description Model or Part Number ...

Страница 116: ...nt procedures and the corresponding page number where they are located page 7 4 Removal and Replacement Procedures The actual procedures for removing and replacing the major assemblies in your measurement receiver The procedures occur in assembly reference designator numerical order See Table 7 1 on page 7 4 for specific procedures Post Repair Procedures A table for the proper tests verifications ...

Страница 117: ...ers are removed Energy available at many points may if contacted result in personal injury The power cord is connected to internal capacitors that may remain live for 10 seconds after disconnecting the plug from its power supply assembly Wait at least 10 seconds after disconnecting the plug before removing the covers The detachable power cord is the instrument disconnecting device It disconnects t...

Страница 118: ...charge ESD Perform the following procedures only at a static safe workstation and wear a grounded wrist strap This is important If not properly protected against electrostatic discharge can seriously damage your measurement receiver resulting in costly repair To reduce the chance of electrostatic discharge follow all of the recommendations outlined in Electrostatic Discharge Protection on page 1 7...

Страница 119: ... N A Front panel LED boards A1 A2 A3 Front panel display board USB board Display assembly page 7 9 A10 A11 A12 Frequency reference board 13 5 GHz LO synthesizer board Option 108 Signal processing ADC module SPAM board page 7 13 A14 System motherboard page 7 17 A15 Midplane board page 7 20 A16 Power supply page 7 22 A17 CPU board page 7 24 A18 GPIB board page 7 26 A19 Test set motherboard page 7 28...

Страница 120: ...ith a T 20 TORX driver 5 Slide the outer cover toward the rear of the measurement receiver and remove it Removing the Inner Cover Refer to Figure 7 1 for this 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 Replacement Procedure 1 On the top side of the PNA carefully position the grey flex cabl...

Страница 121: ...7 6 Keysight N5264A Service Guide Repair and Replacement Procedures Removing the Covers 7 Figure 7 1 Outer and Inner Cover Removal ...

Страница 122: ...ter cover Refer to Removing the Covers on page 7 5 3 With a T 10 TORX driver remove the 12 screws item from the sides of the frame 4 Slide the front panel off of the instrument frame 5 Disconnect the ribbon cable item from the A1 front panel interface board Replacement Procedure 1 Reverse the order of the removal procedure 2 Perform the post repair adjustments verifications and performance tests t...

Страница 123: ...7 8 Keysight N5264A Service Guide Repair and Replacement Procedures Removing and Replacing the Front Panel Assembly 7 Figure 7 2 Front Panel Assembly Removal ...

Страница 124: ... A2 USB board as outlined above 2 Remove the round knob RPG from the front panel by gently pulling the knob forward 3 Disconnect the following cables from the A1 front panel interface board display cable item inverter board cable item touchscreen controller board cable item and power switch cable item 4 Remove the nine screws item from the A1 front panel interface board and remove it from the fron...

Страница 125: ...witch board by gently pulling each of the rubber tabs through the PC board Figure 7 3 Front Panel Subassemblies Removal Removing the A3 Display Assembly and the Touchscreen 1 Disconnect the following cables from the A1 front panel interface board display cable item inverter board cable item touchscreen controller board cable item and power switch cable item 2 Remove six screws item from the A3 dis...

Страница 126: ...e orientation Figure 7 4 A3 Display Assembly and Touch Screen Removal 1 4 The display cable item can be removed by removing the three screws item that attach it to the LCD display hold down bracket item 5 The LCD display can be removed by disconnecting the LCD cable from the inverter board and then removing the four screws item that attach it to the LCD display hold down bracket item Note the loca...

Страница 127: ...d Other Front Panel Subassemblies 7 Figure 7 5 A3 Display Assembly and Touch Screen Removal 2 Replacement Procedure 1 Reverse the order of the removal procedure 2 Perform the post repair adjustments verifications and performance tests that pertain to this removal procedure Refer to Table 7 2 on page 7 42 ...

Страница 128: ...tom of the board for any attached cables and if any disconnect them Replacement Procedure 1 Reverse the order of the removal procedure 2 Remember to connect any necessary cables to the bottom of the board before reinstalling it 3 Perform the post repair adjustments verifications and performance tests that pertain to this removal procedure Refer to Table 7 2 on page 7 42 In February 2012 the N5264A...

Страница 129: ... N5264A Service Guide Repair and Replacement Procedures Removing and Replacing the A10 A11 and A12 Boards For analyzers with serial numbers prefixed MY SG US5144 and below 7 Figure 7 6 A10 A11 and A12 Boards Removal ...

Страница 130: ...ft the two extractors item one at each end of the board and lift the board 6 Before removing the board completely check the bottom of the board for any attached cables and if any disconnect them Replacement Procedure 1 Reverse the order of the removal procedure 2 Remember to connect any necessary cables to the bottom of the board before reinstalling it In February 2012 the N5264A analyzer underwen...

Страница 131: ...acing the A10 A11 and A12 Boards For analyzers with serial numbers prefixed MY SG US5204 and above 7 3 Perform the post repair adjustments verifications and performance tests that pertain to this removal procedure Refer to Table 7 2 on page 7 42 Figure 7 7 A10 A11 and A12 Boards Removal ...

Страница 132: ...plane Board on page 7 20 6 Remove the A10 A11 and A12 boards Refer to Removing and Replacing the A10 A11 and A12 Boards For analyzers with serial numbers prefixed MY SG US5144 and below on page 7 13 7 Remove the fan bracket and fans Refer to Removing and Replacing the Fans on page 7 38 8 Turn the measurement receiver over so that the bottom side is up and remove four screws item that secure the bo...

Страница 133: ...4 system motherboard just enough to unplug the ribbon cable from the bottom side then lift it out of the measurement receiver Replacement Procedure 1 Reverse the order of the removal procedure 2 Perform the post repair adjustments verifications and performance tests that pertain to this removal procedure Refer to Table 7 2 on page 7 42 ...

Страница 134: ...Keysight N5264A Service Guide 7 19 Repair and Replacement Procedures Removing and Replacing the A14 System Motherboard Figure 7 8 A14 System Motherboard Removal ...

Страница 135: ...stem motherboard 7 Note the positions of the five rubber grommets item on the bottom three A15 midplane board alignment pins Remove these rubber grommets and retain them for reinstallation on the new A15 midplane board 8 Lift the A15 midplane board out of the measurement receiver Replacement Procedure 1 Reverse the order of the removal procedure Be careful to align the guide pins on the A15 midpla...

Страница 136: ...Keysight N5264A Service Guide 7 21 Repair and Replacement Procedures Removing and Replacing the A15 Midplane Board Figure 7 9 A15 Midplane Board Removal ...

Страница 137: ...e 1 Disconnect the power cord 2 Remove the outer and inner covers Refer to Removing the Covers on page 7 5 3 Remove the three flat head screws item from the power supply bracket 4 Remove the seven pan head screws item from the power supply rear panel 5 Slide the A16 power supply assembly out the rear of the measurement receiver Replacement Procedure 1 Reverse the order of the removal procedure 2 P...

Страница 138: ...Keysight N5264A Service Guide 7 23 Repair and Replacement Procedures Removing and Replacing the A16 Power Supply Assembly Figure 7 10 A16 Power Supply Assembly Removal ...

Страница 139: ... and two from the ejector handles 4 Grasp the two ejector handles and rotate them outward toward the sides of the measurement receiver as shown in the illustration This will disengage the A17 CPU board assembly from the A15 midplane board 5 Slide the A17 CPU board assembly out the rear of the measurement receiver 6 If the A17 CPU board assembly is being replaced you must first remove the A51 hard ...

Страница 140: ...Keysight N5264A Service Guide 7 25 Repair and Replacement Procedures Removing and Replacing the A17 CPU Board Assembly Figure 7 11 A17 CPU Board Assembly Removal ...

Страница 141: ...ower supply assembly Refer to Removing and Replacing the A16 Power Supply Assembly on page 7 22 3 Remove the A17 CPU board assembly Refer to Removing and Replacing the A17 CPU Board Assembly on page 7 24 4 Remove the rear panel Refer to Removing and Replacing the Rear Panel on page 7 36 5 Slide the A18 GPIB board out the rear of the measurement receiver Replacement Procedure 1 Reverse the order of...

Страница 142: ...Keysight N5264A Service Guide 7 27 Repair and Replacement Procedures Removing and Replacing the A18 GPIB Board Figure 7 12 A18 GPIB Board Removal ...

Страница 143: ...L ribbon cables item and ALL wire harnesses item from the A19 test set motherboard 5 Remove connector hardware item from 11 rear panel BNC connectors 6 Remove connector hardware item from the rear panel TEST SET I O connector 7 Remove 10 screws item from the A19 test set motherboard 8 Slide the A19 test set motherboard toward the front of the instrument until the rear panel BNC connectors are free...

Страница 144: ...Keysight N5264A Service Guide 7 29 Repair and Replacement Procedures Removing and Replacing the A19 Test Set Motherboard Figure 7 13 A19 Test Set Motherboard Removal ...

Страница 145: ... IF multiplexer board 7 Remove connector hardware item from five rear panel RF connectors 8 Remove connector hardware item from the rear panel PULSE I O connector 9 Remove four screws item from the stabilizer bracket and remove the stabilizer bracket 10 Remove four screws item from the A20 IF multiplexer board 11 Slide the A20 IF multiplexer board toward the front of the instrument until the rear ...

Страница 146: ...Keysight N5264A Service Guide 7 31 Repair and Replacement Procedures Removing and Replacing the A20 IF Multiplexer Board Figure 7 14 A20 IF Multiplexer Board Removal ...

Страница 147: ...26 5 assembly 5 Disconnect cable W41 from the A21 HMA26 5 6 Disconnect cable W47 at the A21 HMA26 5 7 Remove two screws item from the A21 HMA26 5 mounting bracket 8 Remove the mounting bracket with the A21 HMA26 5 attached from the measurement receiver 9 Remove four screws item that attach the A21 HMA26 5 to the mounting bracket Replacement Procedure 1 Reverse the order of the removal procedure To...

Страница 148: ...Keysight N5264A Service Guide 7 33 Repair and Replacement Procedures Removing and Replacing the A21 HMA26 5 Figure 7 15 A21 HMA26 5 Removal ...

Страница 149: ... Keysight Network Analyzer and copy USER_CALKITFILE to a USB flash memory drive Also copy any personal user files that you wish to preserve If installing an SSD for Windows 7 for more information on the N8983A SSD refer to the Windows 7 Operating System Upgrade Kit Installation Note available online at http literature cdn keysight com litweb pdf N8983 90001 pdf Tools Required T 10 TORX driver set ...

Страница 150: ...rocedures Removing and Replacing the A51 Solid State Drive SSD Install Backup Files onto the New SSD The files that were previously saved onto a USB flash memory drive must now be installed onto the new SSD The network analyzer must be powered up and operating ...

Страница 151: ...d Replacing the A17 CPU Board Assembly on page 7 24 5 Remove the termination item 6 Remove the connector hardware item from each of the five multi pin connectors The hardware is not the same on each connector so note which hardware goes with which connector 7 Remove the connector hardware item from each of the RF connectors The hardware is not the same on each connector so note which hardware goes...

Страница 152: ...Keysight N5264A Service Guide 7 37 Repair and Replacement Procedures Removing and Replacing the Rear Panel Figure 7 17 Rear Panel Removal ...

Страница 153: ...emove five screws item that attach the fan bracket to the chassis 6 Remove three screws item that attach the rear panel to the fan bracket 7 Raise the fan bracket out of the measurement receiver just enough to access the fan cables Disconnect the fan cables from the A14 system motherboard connectors item 8 Remove the fan bracket and fans from the measurement receiver 9 To remove a fan or fan guard...

Страница 154: ...Keysight N5264A Service Guide 7 39 Repair and Replacement Procedures Removing and Replacing the Fans Figure 7 18 B1 Fan Removal ...

Страница 155: ... top cover attachment screws item and item 4 Lift the top cover off of the CPU board assembly 5 Remove the battery from the battery holder by lifting it at the open end of the holder and then sliding it from under the clip item 6 DO NOT THROW AWAY THE BATTERY COLLECT IT AS SMALL CHEMICAL WASTE Refer to Lithium Battery Disposal on page 1 10 for additional information on battery disposal Replacement...

Страница 156: ...Keysight N5264A Service Guide 7 41 Repair and Replacement Procedures Removing and Replacing the Lithium Battery Figure 7 19 Lithium Battery Removal ...

Страница 157: ...ssembly No adjustment needed A3 Display Test in Chapter 4 A10 frequency reference board 10 MHz Frequency Reference Adjustment Restore option data Refer to Repairing and Recovering Option Data in Chapter 8 Frequency Accuracy Test A11 fractional N synthesizer board Option 108 EE Default Adjustment Option 108 Synthesizer Bandwidth Adjustment Option 108 None needed A12 SPAM board No adjustment needed ...

Страница 158: ...ustment Option 108 None needed A51 hard disk drive None needed Read and write to the drive B1 fan No adjustment needed Check for fan operation Battery No adjustment needed None Table 7 2 Related Service Procedures Continued Replaced Assembly Adjustments and Other Procedures Verification Performance and Other Tests and Procedures ...

Страница 159: ...ded to your measurement receiver repair lost or damaged option data install or change a serial number page 8 2 Firmware Upgrades How to check your measurement receiver s current firmware revision and where to locate firmware upgrades page 8 6 Operating System Recovery Where to find the information on recovering from a damaged operating system page 8 7 This represents a hardkey a key that is physic...

Страница 160: ... CERTIFICATE to obtain license key s for the option s listed on the certificate See the important note below System Service Option Enable When upgrading from one model number to another a new option entitlement certificate will be issued When this certificate is redeemed for a license key the automated system will ask for the instrument s Host ID Be sure to use the new Host ID that is associated w...

Страница 161: ...on enable utility Refer to Accessing the Option Enable Utility on page 8 2 2 Click the arrow in the Select Desired Option box A list of available options similar to the list below will appear 010 Time Domain 108 LO Source 118 Fast CW Mode 3 Click on the option that you wish to either enable or remove and then click Enable or Remove whichever is appropriate 4 If the desired option is not available ...

Страница 162: ... application starts by retrieving the data from the EEPROM Recovery of Data if Option or Model Numbers are Incorrect If the measurement receiver option or model numbers are not listed correctly on the measurement receiver display in either the Option Enable Dialog Box or the About Network Analyzer display you should regenerate the options license file gen lic 1 Exit the Network Analyzer applicatio...

Страница 163: ...erial number has previously been entered the word NONE will be displayed 2 VERY CAREFULLY type the new serial number into the space provided and then click Change 3 If an error is made in entering the serial number obtain a clear code from Keysight enter the clear code in the space provided and click CLEAR The correct serial number can then be entered Use extreme care when entering the serial numb...

Страница 164: ...Internet If your measurement receiver is connected to the Internet there are two methods available for checking the availability of and downloading new firmware Download directly from http www keysight com find pna Select your measurement receiver s model number in this web site to view available upgrades Press UTILITY then then AgileUpdate compares the firmware revision currently installed in you...

Страница 165: ...Problems If you suspect that you have a hard disk drive problem go to the Hard Drive Recovery link on the Keysight PNA Series Service Support Home Page on the Internet The URL for the Keysight PNA Series Service Support Home Page is http na support keysight com pna The URL for the Hard Drive Recovery page is http na support keysight com pna hdrecovery html ...

Страница 166: ...oval and replacement illustrated 7 23 procedure 7 22 troubleshooting 4 9 A17 CPU board illustrated 6 14 operation 5 17 part number 6 11 removal and replacement illustrated 7 25 procedure 7 24 troubleshooting 4 21 A18 GPIB board illustrated 6 14 part number 6 11 removal and replacement illustrated 7 27 procedure 7 26 A19 test set motherboard illustrated 6 19 operation 5 7 part number 6 18 removal a...

Страница 167: ...illustrated 6 14 part number 6 11 6 32 removal and replacement illustrated 7 41 procedure 7 40 before applying power 1 3 block diagram digital control group 5 15 digital processor group 5 15 IF multiplexer group 5 13 bottom assembly all options hardware illustrated 6 25 part numbers 6 24 replaceable assemblies illustrated 6 19 part numbers 6 18 replaceable RF cables illustrated 6 21 part numbers 6...

Страница 168: ...llustrated 6 10 6 11 operation 5 16 parts list 6 7 removal and replacement 7 10 7 11 7 12 troubleshooting 4 14 4 16 cable removal and replacement 7 10 7 11 7 12 port rear panel connector 5 18 test running 4 19 documentation part numbers 6 32 dress panel lower front panel illustrated 6 7 part number 6 6 E earth ground 1 3 EE default adjustment 3 7 electrostatic discharge See ESD enabling options 8 ...

Страница 169: ... subassemblies removal and replacement illustrated 7 10 procedures 7 9 subgroup 5 14 touch screen illustrated 6 10 6 11 parts list 6 7 trim strip filler illustrated 6 7 part number 6 6 troubleshooting 4 16 USB board illustrated 6 10 6 11 part number 6 7 USB controller board illustrated 6 10 6 11 part number 6 7 functional groups 5 2 fuses 6 32 G general safety considerations 1 3 government regulat...

Страница 170: ...ack mount part numbers 6 33 upgrade order numbers 6 32 part numbers 6 32 verification 2 5 knob front panel illustrated 6 7 part number 6 6 test 4 18 troubleshooting 4 16 L LAN connector rear panel 5 18 cross over cable 4 25 IP address 4 23 ping command 4 23 ping to and from 4 22 subnet mask 4 23 testing between analyzers 4 25 troubleshooting 4 22 LCD assembly illustrated 6 10 6 11 parts list 6 7 L...

Страница 171: ...peration 13 5 GHz LO synthesizer board 5 7 CPU board 5 17 data acquisition 5 17 digital control 5 14 digital processor 5 14 display assembly 5 16 frequency reference board 5 6 front panel 5 16 front panel display board 5 16 HMA 26 5 5 7 IF inputs 5 12 IF multiplexer board 5 12 IF multiplexer group 5 12 keypad assembly 5 17 LO group 5 4 main RAM 5 18 power supply 5 19 processing subgroup 5 17 solid...

Страница 172: ...illustrated 7 37 procedure 7 36 replaceable parts illustrated 6 31 part numbers 6 30 troubleshooting 4 21 USB troubleshooting 4 21 receiver functional group 5 2 recovery operating system 8 7 option data 8 3 regulatory information 1 9 removing assemblies See specific assembly cover 1 5 options 8 3 parts See specific part repair option data 8 3 post repair procedures 7 42 procedures caution about 7 ...

Страница 173: ...te drive stabilization warm up time 3 3 static safety parts required for servicing 2 7 storage data IDE 5 18 strap handle analyzer illustrated 6 29 part number 6 28 subgroup data acquisition and processing 5 12 5 14 front panel 5 14 subnet mask LAN 4 23 supplies battery part number 6 32 ESD part numbers 6 33 memory modules part numbers 6 32 support contacting Keysight 2 8 options 2 8 organization ...

Страница 174: ...o order 2 3 kits order numbers 6 32 part numbers 6 32 to measurement receiver 2 4 USB accessories part numbers 6 33 board front panel illustrated 6 10 6 11 front panel part number 6 7 removal and replacement 7 9 7 10 troubleshooting 4 16 controller board front panel illustrated 6 10 6 11 front panel part number 6 7 removal and replacement 7 9 7 10 port rear panel connector 5 18 rear panel troubles...

Страница 175: ...Installation Note Xxxxx xxxxx 3 ...

Страница 176: ...This information is subject to change without notice Keysight Technologies 2008 2016 Edition 1 March 2016 www keysight com ...

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