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User’s and Service Guide U3047-90001

59

U3047AM12

Service Information

Troubleshooting the Test Set

If the U3047AM12 is not operating properly, use the following procedures to isolate and repair the type of
failure encountered. It is recommended that a qualified service technician perform the following
procedures.

Refer to the Agilent PNA Series: Service & Support Home Page at:

http://na.tm.agilent.com/pna

for

further information.

To request service, please contact your local service center. In the US, call 800-829-4444. For a listing of
service centers worldwide, please visit us at www.agilent.com/find/service.

WARNING

No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent
electrical shock do not remove covers.

Non-RF Failures

Typical malfunctions may be the rear panel fan, control lines or front panel indicator lights.

1. Verify that the front panel Power Switch is operational.

a. The rear panel fan and front panel Active LED should operate when the Standby Switch is in the On

position.

2. AC line voltage checks (remove AC power from the instrument).

a. Ensure the proper AC line voltage is present at the instrument line cord.

b. Remove the AC power cord from the instrument. Confirm the instrument AC line module fuse is

operational. See

Figure 4 on page 12

.

c. Internal AC line fuses - Remove the bottom cover of the instrument. Near the rear panel are two

fuse holders, remove the fuses and verify that they are operational. Refer to

Figure 59 on page 71

.

WARNING

The opening of covers or removal of parts is likely to expose the user to dangerous
voltages. Disconnect the instrument from all voltage sources before being opened.

3. Internal DC Power - During this check you will apply AC power to the instrument with the top cover

removed. Connect the AC power cord to the test set.

a. Set the front panel switch to the Standby position. The fans and indicator lights should be Off.

b. Set the standby switch to the On position. The rear panel and internal power supply fans should be

operational. The Active LED will be On when test set is connected to an active network analyzer and
is addressed by the network analyzer

c. Verify that the DC LEDs indicators are On.

Note: The LEDs only indicate the presence of a DC voltage, not the DC voltage level. Use the
indicated wire locations for voltage measurements, TP1 is your common. Refer to

.

d. If there is no DC power, suspect the power supply module. The actual power supply terminal

connection should also be confirmed with a DVM by removing the bottom cover and using the
power supply label to identify the terminal voltage values.

e. If all of the DC Input LEDs are On and the fan is not working, replace fan.

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Содержание U3047AM12

Страница 1: ...uide Use this manual with the following documents PNA Series Network Analyzer On line Help System Manufacturing Part Number U3047 90001 Printed in USA April 2014 Supersede November 2013 Copyright 2013...

Страница 2: ...NT THAT CONFLICT WITH THESE TERMS THE WARRANTY TERMS IN THE SEPARATE AGREEMENT WILL CONTROL DFARS Restricted Rights Notice If software is for use in the performance of a U S Government prime contract...

Страница 3: ...understood and met Definitions Specifications describe the performance of parameters covered by the product warranty temperature 0 to 55 C unless otherwise noted Typical describes additional product p...

Страница 4: ...iv...

Страница 5: ...Setup 18 Verify Results 18 Controlling the Test Set 23 Typeface Key Conventions 23 Sweep Setup for Multiport and Standalone PNA Modes 23 RF Path Configuration 24 Multiport Mode 25 Interface Control Mo...

Страница 6: ...Power 73 Servicing 74 Electrostatic Discharge Protection 75 Regulatory Information 76 Instrument Markings 76 Agilent Support Services and Assistance 78 Service and Support Options 78 Contacting Agilen...

Страница 7: ...User s and Service Guide U3047 90001 1 U3047AM12...

Страница 8: ...2 User s and Service Guide U3047 90001 U3047AM12 Introduction Introduction This document describes how to use and service the U3047AM12 Multiport Test Set Figure 1 N5247A 4 Port with U3047AM12...

Страница 9: ...ibration An external personal computer is not required The N5247A PNA X and the N5227A PNA network analyzer will be referred to throughout this document as the network analyzer The U3047AM12 will be r...

Страница 10: ...iles indicated in Table 1 must be installed into the analyzer s file directory c Program Files Agilent Network Analyzer testsets Ensure that the network analyzer has the latest version of firmware ins...

Страница 11: ...063 9229 Network Analyzer Interface Kit Options NOTE The U3047AM12 requires on of the following kits to interface the test set with your network analyzer The interface kit model option includes the ha...

Страница 12: ...determine the approximate performance of the system CAUTION The life expectancy of the following switches are 5 million cycles When making measurements using more than one port single sweeps are reco...

Страница 13: ...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 forced convect...

Страница 14: ...to ensure no damage NOTE Refer to your analyzer s specifications to determine the maximum input power levels for the access and test ports or to optimize the power levels in the receivers NOTE Damage...

Страница 15: ...Table 5 Table 5 Typical Reflection Tracking Frequency Ports 1 to 4 Ports 5 to 12 Ports 13 to 16 10 MHz to 50 MHz 0 5 0 5 0 5 50 MHz to 200 MHz 1 1 1 200 MHz to 500 MHz 1 5 1 5 1 5 500 MHz to 3 2 GHz...

Страница 16: ...n the front panel S indicates Source test ports and R indicates Receiver test ports Standby Switch Note that this switch is Standby only not a line switch The main power cord can be used as the system...

Страница 17: ...odule The line fuse as well as a spare reside within the line module Figure 4 illustrates where the fuses are located and how to access them Install the instrument so that the detachable power cord is...

Страница 18: ...s the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE swi...

Страница 19: ...isconnect the instrument from all voltage sources while it is being opened Locking the Test Set to the Network Analyzer 1 The lock link kit U3021 60002 includes 5023 0132 Lock links kit left right pai...

Страница 20: ...Lock links to the Network Analyzer 5 Remove the two upper standoffs from the rear panel of the test set using a T20 torx driver 6 Install the left and right lock links onto the test set as shown in F...

Страница 21: ...g the Analyzer 8 Secure the analyzer s lower lock links to the test set s upper lock link using the spring loaded screws If the analyzer s lock links are not aligned with the screw holes loosen the sc...

Страница 22: ...interconnect cables from the network analyzer to the test set in the order listed As you are connecting each cable torque to 8 in lb Refer to Table 6 and Figure 10 CAUTION Over torque will cause damag...

Страница 23: ...test set Interface connector on the rear panel similar to Figure 11 Figure 11 Test Set I O Cable Connection Interconnect Cable Verification 1 Perform the System Operational Checks on page 18 2 If the...

Страница 24: ...Turn on the test set and network analyzer Preset the network analyzer and make the following settings Set to Multi Port Mode Frequency range 10 MHz to 67 GHz IFBW 1 kHz Scale 10 dB Div Set the network...

Страница 25: ...Agilent N5247A 4 Port 67 GHz PNA X RCVR OUT CPLR ARM D CPLR THRU RCVR OUT CPLR ARM C A SOURCE IN RCVR OUT CPLR ARM CPLR THRU RCVR OUT CPLR ARM 1 2 3 1 2 3 S15 1 2 3 S14 1 2 3 S12 1 2 3 S11 S16 S13 1 2...

Страница 26: ...OUT CPLR ARM CPLR THRU RCVR OUT CPLR ARM 1 2 3 1 2 3 S15 1 2 3 S14 1 2 3 S12 1 2 3 S11 S16 S13 1 2 3 S10 S17 1 2 3 4 1 2 3 4 Port 10 Port 14 1 2 3 1 2 3 S25 1 2 3 S24 1 2 3 S22 1 2 3 S21 S26 S23 1 2 3...

Страница 27: ...CPLR ARM C A SOURCE IN RCVR OUT CPLR ARM CPLR THRU RCVR OUT CPLR ARM 1 2 3 1 2 3 S15 1 2 3 S14 1 2 3 S12 1 2 3 S11 S16 S13 1 2 3 S10 S17 1 2 3 4 1 2 3 4 1 2 3 1 2 3 S25 1 2 3 S24 1 2 3 S22 1 2 3 S21 S...

Страница 28: ...et RCVR OUT CPLR ARM D CPLR THRU RCVR OUT CPLR ARM C A SOURCE IN RCVR OUT CPLR ARM CPLR THRU RCVR OUT CPLR ARM 1 2 3 1 2 3 S15 1 2 3 S14 1 2 3 S12 1 2 3 S11 S16 S13 1 2 3 S10 S17 1 2 3 4 1 2 3 4 1 2 3...

Страница 29: ...31 GPIB Control Mode on page 35 Typeface Key Conventions The following key conventions are used throughout this document HARDKEYS are labeled front panel keys SOFTKEYS are indicated on the instrument...

Страница 30: ...etwork analyzer is not in Default configuration ports 5 and 9 will not operate correctly Select Trace Chan Channel Hardware Setup Path Cong and in the drop down menu select Default OK Save this config...

Страница 31: ...stalled for multiport capability To access the multiport application select Utility System Configure Multiport Capability 2 Select U304xAM12_PNAX_p4 16 Port System from the drop down menu and select R...

Страница 32: ...M12 Figure 23 External Test Set Control This menu will allow the physical Ports 1 thru 16 to be identified as any port for your convenience For example Port 5 can be re named Port 2 The External Test...

Страница 33: ...second number will be the Source Port Any port can be selected to be the Receiver Source or both as in S11 The front panel R LED indicates the port is the Receiver and the S LED indicates the port is...

Страница 34: ...nent measurement refer to the Application Note 1373 1 and 1373 2 5988 5634EN and 5988 5635EN at http www home agilent com In the search menu type Multiport and Balanced Figure 26 Selecting Balanced Me...

Страница 35: ...aracterize the ECal module select Response Cal More ECal Characterize ECal Module Calibrate at the end of the test port RF cables and any adapters that are used to connect the DUT This removes the eff...

Страница 36: ...ts you are calibrating following the Cal Wizard prompts and click Measure after each connection The electrical delay value may be shown in the dialog box after the last measurement click OK 4 At the C...

Страница 37: ...tch path commands of the interface control It is recommended that the network analyzer be restarted in stand alone mode if the interface control is being used A unique set of control data can be sent...

Страница 38: ...Control in the drop down menu and select Enable Interface Control NOTE The PNA or PNA X Series Network Analyzer includes the Interface Control application and rear panel connection Please review this...

Страница 39: ...ting Interface Control is disabled and NO data is sent To send data the individual interfaces must also be enabled Test Set I O Control addr data 2 Provides control of the test set I O Interface on th...

Страница 40: ...the channel sweep is completed Dwell After Command 7 Specifies a wait time in milliseconds after all commands to all interfaces are sent Any positive integer is allowed This is used to allow all exter...

Страница 41: ...the network analyzer Help menu Overview How to Access GPIB Command Processor GPIB Command Processor Console Overview of the GPIB Control The GPIB Command Processor allows you to send address and data...

Страница 42: ...ontrolling the Test Set How to Access GPIB Command Processor 1 To access the GPIB Command Processor select Utility System Configure SICL GPIB SCPI Figure 32 Utility Configure 2 Select GPIB Command Pro...

Страница 43: ...s can remotely control the external test set I O connector by sending the following address a integer number data a integer number Address and data are separated by a comma Commands should be separate...

Страница 44: ...and Port 6 is the Receiver Source Port 5 address 0 data 1 and Receiver Port 6 address 16 data 16 Two separate commands must to be sent you may use the same dialog box Send address 0 and data 1 in one...

Страница 45: ...1 Port 5 and 6 Port 9 Port 13 C Port 3 A Port 1 SOURCE IN RCVR OUT CPLR ARM CPLR THRU RCVR OUT CPLR ARM 1 2 3 1 2 3 S15 1 2 3 S14 1 2 3 S12 1 2 3 S11 S16 S13 1 2 3 S10 S17 1 2 3 4 1 2 3 4 1 2 3 1 2 3...

Страница 46: ...be from the internal adjustable voltage source 2 to 5 Vdc or an external dc power supply depending on how the connection to the control line is configured When using an external power supply a positiv...

Страница 47: ...e 4 Control Line Output of the voltage from pin 13 or pin 14 5 Line 5 Control Line Output of the voltage from pin 13 or pin 14 6 Line 6 Control Line Output of the voltage from pin 13 or pin 14 7 Line...

Страница 48: ...meter indicates the selected voltage Figure 36 illustrates an example of the connection between the DUT and the test set using the internal dc power supply Connect pin 12 to pin 13 and pin 14 to pin 1...

Страница 49: ...r supply dc ground to pin 15 Turning On the Test Set using an External Power Supply 1 Turn on the test set 2 Connect the DUT 3 Turn on the external power supply Turning Off the Test Set using an Exter...

Страница 50: ...1 will be used The address value is always 112 Table 11 Test Set DUT Control Address and Data Logic Table Address Data Description Line Pin 112 0 ALL DUT Control Lines set to logic high or connected t...

Страница 51: ...se lines and calculate the SUM of their data values Listed are two examples to illustrate this concept Refer to Figure 28 shown with all lines logic high Example 1 To change lines 1 8 to equal logic L...

Страница 52: ...recommended that you return your instrument to Agilent Technologies for servicing or repair if the test set and network analyzer performance exceed the operational verification limits A periodic calib...

Страница 53: ...iport mode See the bottom of the measurement window a If only four S Parameters are listed select Utility System Configure Multiport Capability Select Restart as multiport PNA with this testset and se...

Страница 54: ...a network analyzer USB port Select Use Electronic Calibration ECal Next 3 Continue following the Cal Wizard prompts In the Select Calibration Ports and ECal Module dialog box click Clear All then sel...

Страница 55: ...se Cal Manage Cals Cal Set Viewer Figure 40 Calibration Cal Set Viewer 9 From the Cal Sets drop down menu select 999 1 and select Enable Select the Reflection Tracking x x where x x is the port being...

Страница 56: ...igure 43 Standard Reflection Tracking Trace Ports 13 to 16 If you are using an ECal module you can verify the individual port calibration 1 Select Response Cal More ECal ECal Confidence Check 2 Click...

Страница 57: ...er to Network Analyzer Requirements on page 4 ECal Confidence Check The following ECal Confidence Check is a method to check the accuracy of a 1 Port calibration performed with mechanical standards or...

Страница 58: ...vice Guide U3047 90001 U3047AM12 Cal Kit Operational Check 6 Select ECal Module dialog box Select the ECal Module you are using and select the ECal Module Memory and Factor ID OK Figure 45 ECal Confid...

Страница 59: ...r use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so Replaceable Parts The following replaceable parts are available from Agilent...

Страница 60: ...emi rigid U3047 20017 SW Interface Board programmed U3025 60068 Dress Nut couplers N5230 20081 Test Set Rear Lock Feet right N5242 20138 Test Set Rear Lock Feet left N5242 20139 Front Panel LED Board...

Страница 61: ...RCVR OUT CPLR ARM CPLR THRU RCVR OUT CPLR ARM 1 2 3 1 2 3 S15 1 2 3 S14 1 2 3 S12 1 2 3 S11 S16 S13 1 2 3 S10 S17 1 2 3 4 1 2 3 4 Port 6 Port 10 Port 14 1 2 3 1 2 3 S25 1 2 3 S24 1 2 3 S22 1 2 3 S21 S...

Страница 62: ...LED Frt Pnl PCB5 Ports 6 10 14 LED Frt Pnl PCB4 Ports 5 9 13 LED Frt Pnl S22 S23 S24 S25 S30 S31 S32 S33 S35 S46 S41 S42 S43 S44 S45 S34 J13 J14 J15 J20 J21 J22 J23 J24 J25 J30 J31 J32 J33 J34 J35 J4...

Страница 63: ...nd routes logic signals to the switches through harness cables connected to plugs J10 17 J20 27 J30 37 and J40 47 Front Panel LED Boards Four LED board assemblies N5261 60005 are mounted to the front...

Страница 64: ...urce to Ports 2 8 12 and 16 provide control of the Source Output path to network analyzer Port 2 and test set Port 8 12 and 16 In the state shown in the block diagram switch 40 routes the RF Source ba...

Страница 65: ...e is operational See Figure 4 on page 12 c Internal AC line fuses Remove the bottom cover of the instrument Near the rear panel are two fuse holders remove the fuses and verify that they are operation...

Страница 66: ...step 1 and step 2 Switch Driver Bd 5v 28v 3v 15v 12v 15v 12v 10v 9v Test Set Controller Bd Instrument Rear Panel DC Inputs from PS LED INDICATOR Controller Status LEDs J21 J20 J23 J22 J25 J24 J41 J40...

Страница 67: ...to 5 Vdc Refer to Figure 3 on page 10 c Remove the instrument top cover Using a DVM verify that the three DC voltage inputs are present on the DUT control board E5091 66503 Refer to Figure 49 d If the...

Страница 68: ...are On Refer to Figure 48 on page 60 If the LED s are Off remove the Switch Driver board if the LED s are remain Off replace the Controller board b If the Status LED s are On and the front panel Acti...

Страница 69: ...5 mm RF Flex Cables 1 85 mm Adapters female to female Test Set Interface Cable Equipment Setup 1 Turn on the test set and the network analyzer 2 Preset the network analyzer and set it to Standalone Mo...

Страница 70: ...Source Figure 57 on page 68 RCVR OUT to CPLR ARM Receiver Figure 57 on page 68 Table 17 Source Signal Path Test Instructions Path RF Path Description Control Mode Address Data Path Components Inserti...

Страница 71: ...Service Guide U3047 90001 65 U3047AM12 Service Information Figure 51 Source IN to Ports 5 to 8 Path Response Figure 52 Source IN to Ports 9 to 12 Path Response Figure 53 Source IN to Ports 13 to 16 Pa...

Страница 72: ...32 P9 CPLR S13 14 15 Figure 55 on page 67 3 RCVR OUT to Ports 13 0 128 P13 CPLR S13 14 15 17 Figure 56 on page 67 4 RCVR OUT to Ports 6 16 16 P6 CPLR S23 24 Figure 54 on page 67 5 RCVR OUT to Ports 1...

Страница 73: ...d Service Guide U3047 90001 67 U3047AM12 Service Information Figure 54 RCVR OUT to Ports 5 to 8 Path Response Figure 55 RCVR OUT to Ports 9 to 12 Path Response Figure 56 RCVR OUT to Ports 13 to16 Path...

Страница 74: ...o Figure 57 Figure 57 Source IN to CPLR THRU RCVR OUT to CPLR ARM Path Response Table 19 Source Signal Path Test Instructions Path Test Port Group RF Path Description Control Mode Address Data Path Co...

Страница 75: ...nal RF cables are cleaned and not damaged Verifying Cal Kit Operational Check Failure on page 51 3 Review the Cal Kit Operational Check on page 46 and verify the results for the port that is failing 4...

Страница 76: ...r s and Service Guide U3047 90001 U3047AM12 Service Information Figure 58 Test Set Top View Test Set Control Bd bottom Bd Upper Switches x16 Coupler Test Ports x16 Switch Interface Bd DUT Control Bd t...

Страница 77: ...User s and Service Guide U3047 90001 71 U3047AM12 Service Information Figure 59 Test Set Bottom View Line Module Power Supply Fan Fuse x2 Switch x16...

Страница 78: ...in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interrupti...

Страница 79: ...nts may cause product damage and serious injury CAUTION This product is designed for use in Installation Category II and Pollution Degree 2 CAUTION Verify that the premise electrical voltage supply is...

Страница 80: ...nnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch disconnecting device WARNING The power cor...

Страница 81: ...handling components and assemblies or when making connections always wear a heel strap 9300 1126 when working in an area with a conductive floor If you are uncertain about the conductivity of your fl...

Страница 82: ...ame or chassis The CE mark is a registered trademark of the European Community If accompanied by a year it is when the design was proven The CSA mark is a registered trademark of the CSA International...

Страница 83: ...n Canada CSA C22 2 No 61010 1 04 USA UL std no 61010 1 2nd Edition Acoustic statement European Machinery Directive 2022 42 EC 1 7 4 2U Accoustical noise emission LpA 70 dB Operator position Normal ope...

Страница 84: ...nit Shipping Your Product to Agilent for Service or Repair IMPORTANT Agilent Technologies reserves the right to reformat or replace the internal hard disk drive in your analyzer as part of its repair...

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