Agilent Technologies 8922S Especificações

Assembly Level RepairHP/Agilent Technologies 8922 Series GSM Test SetAgilent Part No. 08922-90213Printed in UKJanuary 1998

ContentsContents-6This Page Intentionally Left Blank

9-6Replacing a PartReplaceable PartsTable 9-3 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr.CodeMfr.PartNumberA2 08920-60212 7 1 AU

9-7Replacing a PartReplaceable Parts

9-8Replacing a PartReplaceable PartsTable 9-4 Replaceable PartsItem Agilent PartNumberCDQty. Description Mfr.CodeMfr.PartNumberA15 08922-61019 6 1 MOD

9-9Replacing a PartReplaceable Parts

9-10Replacing a PartReplaceable PartsTable 9-5 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr. Code Mfr.Part NumberA28 08922-61043 6

9-11Replacing a PartReplaceable Parts

9-12Replacing a PartReplaceable PartsTable 9-6 Replaceable PartsItem Agilent PartNumberCDQty. Description Mfr.CodeMfr.Part NumberA31 08922-60247 9 1 M

9-13Replacing a PartReplaceable Parts

9-14Replacing a PartReplaceable PartsTable 9-7 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr.CodeMfr.Part NumberA22-W1 08920-61020

9-15Replacing a PartReplaceable PartsW46 08922-61050 5 1 EMMI CABLE (G Only) 28480 08922-61050W47 08922-61077 6 1 RIBBON 16 CND 28480 08922-61077W48 0

1-11Localizing the Problem

9-16Replacing a PartReplaceable Parts

9-17Replacing a PartReplaceable Parts

9-18Replacing a PartReplaceable PartsTable 9-8 Replaceable PartsItem Agilent PartNumberCDQty. Description Mfr.CodeMfr.Part Number1 5040-3881 2 1 TOP F

9-19Replacing a PartReplaceable Parts

9-20Replacing a PartReplaceable PartsTable 9-9 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr. Code Mfr.Part Number3 08922-61011 8 1

9-21Replacing a PartReplaceable Parts12 CRT Bracket4263424416-421,427-456502-504Nut499-501Washer506-521493-498114 RegularMountingBracket and115-118Scr

9-22Replacing a PartReplaceable PartsTable 9-10 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr. Code Mfr.Part Number21 0515-0456 3 1

9-23Replacing a PartReplaceable Parts

9-24Replacing a PartReplaceable PartsTable 9-11 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr. Code Mfr.Part Number22,23, 112,113 0

9-25Replacing a PartReplaceable PartsTable 9-12 Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr. Code Mfr.Part Number79-82, 108-111 0

1-2Localizing the ProblemIntroductionIntroductionThis chapter helps to determine if a problem actually exists and which section of theinstrument has a

9-26Replacing a PartReplaceable PartsTable 9-13 Replaceable PartsItem Agilent PartNumberCDQty. Description Mfr.CodeMfr.Part NumberSerial Prefix 3216A a

9-27Replacing a PartReplaceable Parts(

9-28Replacing a PartReplaceable PartsTable 9-14 Miscellaneous Replaceable PartsItem Agilent PartNumberC D Qty. Description Mfr. Code Mfr.Part Number26

9-29Replacing a PartFirmware UpgradesFirmware UpgradesIn The Agilent 8922MHOST and GSM Firmware are upgraded using an external controller or Personnal

9-30Replacing a PartFirmware UpgradesThis Page Intentionally Left Blank

10-110Service Screen

10-2Service ScreenIntroductionIntroductionThis chapter describes the fields on the service screen. The service screen is intended tosupport component l

10-3Service ScreenIntroduction4. Counter ConnectionThis field selects the frequency test point. The frequency will be counted and displayed inthe frequ

10-4Service ScreenIntroductionThis Page Intentionally Left Blank

11-111Self-Test Error Messages

1-3Localizing the ProblemLocalizing the Problem - Flow Chart (Power-Up)Localizing the Problem - Flow Chart (Power-Up)See "Power Up Checks",

11-2Self-Test Error MessagesIntroductionIntroductionThis chapter lists the error messages that appear on the status line of the display and on themess

12-112Module I/O Specifications

12-2Module I/O SpecificationsIntroductionIntroductionThis chapter contains tables of module input/output specifications.These do not include tables for

12-3Module I/O SpecificationsA2 Audio Analyzer 2A2 Audio Analyzer 2Use extender card 08920-60142Power SuppliesInputsAUDIO INPUT MUXDC AUDIO INPUT+5 V J

12-4Module I/O SpecificationsA2 Audio Analyzer 2OutputsAUDIO OUT MEAS MUXSPEAKERTo A19 Measurement BoardAUD2_VM J1(11)Selected path = POS/NEG peak dete

12-5Module I/O SpecificationsA3 Audio Analyzer 1A3 Audio Analyzer 1Use extender card 08920-60142.The Primary function of Audio Analyzers 1 and 2 is to

12-6Module I/O SpecificationsA3 Audio Analyzer 1OutputsTo Audio Analyzer 2FIL_AUD J1(15)Output Z < 1 Ω Unit Gain OpampSelected Inputs (DEMOD_AUD,MOD

12-7Module I/O SpecificationsA3 Audio Analyzer 1To A19 Measurement BoardAUD1_VM J1(16)Output Z > 1 Ω Unity Gain bufferDC Offset < ± 9 mVSelected

12-8Module I/O SpecificationsA4 Modulation DistributionA4 Modulation DistributionUse extender card 08920-60141Power SuppliesInputsAFG1 and AFG2 are bot

12-9Module I/O SpecificationsA4 Modulation DistributionOutputsThe output of AUDIO_OUT_HI can be set on the RF Analyzer page.To route the input signal A

1-4Localizing the ProblemPower-Up ChecksPower-Up ChecksThe following checks show whether the instrument is powering up correctly.(a) Depress the power

12-10Module I/O SpecificationsA5 Premodulation Filter and NSMA5 Premodulation Filter and NSMUse extender card 08922-60132.Power SuppliesInputsClock sig

12-11Module I/O SpecificationsA5 Premodulation Filter and NSMThe PMF_DATA signal is difficult to measure accurately without a high speedoscilloscope or

12-12Module I/O SpecificationsA5 Premodulation Filter and NSMFigure 4-1 Typical Oscilloscope DisplaySerial I/OChannel 1 = 500.0 mvolts/div Offset = 1.

12-13Module I/O SpecificationsA6 Signaling Source/AnalyzerA6 Signaling Source/AnalyzerUse extender card 08920-60140.Power SuppliesInputs+12 V J1(9) 21

12-14Module I/O SpecificationsA6 Signaling Source/AnalyzerOutputsFor levels and setting up signals for measuring,see “A4 Modulation Distribution”, page

12-15Module I/O SpecificationsA9 Global Test and DemodA9 Global Test and DemodUse extender card 08922-60133.Power SuppliesInputsThe 10.7 MHz is orginat

12-16Module I/O SpecificationsA9 Global Test and DemodFigure 4-2 Expected OutputChannel 1 = 500.0 mvolts/div Offset = -50.00 volts Trigger mode: Edge

12-17Module I/O SpecificationsA9 Global Test and DemodFigure 4-3 on page 12-17 shows the expected oscilloscope reading. This signal can alsobe clearly

12-18Module I/O SpecificationsA9 Global Test and DemodTo set up this signal for measuring, follow the same procedure as for "10.7M_IF J1(7)",

12-19Module I/O SpecificationsA11 Receiver MixerA11 Receiver MixerNo extender card required.Power SuppliesInputsNOTE: Ensure the reference setting and

1-5Localizing the ProblemIf Power-Up Checks FAILEDIf Power-Up Checks FAILEDIf the power up checks failed, continue with this section.❒ If the fan did

12-20Module I/O SpecificationsA11 Receiver MixerFigure 4-5 Typical DisplayChannel 1 = 130.0 mvolts/div Offset = 0.000 volts Trigger mode: Edge on posi

12-21Module I/O SpecificationsA11 Receiver MixerOutputsNOTE: To measure RCVR_IN, the connection must T’ed and a DC blocking capacitor used on themeasur

12-22Module I/O SpecificationsA13 OutputA13 OutputUse extender card 08922-90129.Use coax jumpers on Plug 1, pins 3, 17 and Plug 3, pin 13.Power Supplie

12-23Module I/O SpecificationsA13 OutputSee "A4 Modulation Distribution", page 12-8 for measurement procedure.OutputsFrom A4 Modulation Distr

12-24Module I/O SpecificationsA14 Pulse DriverA14 Pulse DriverUse extender card 08922-60129.Use coax jumpers on Plug 1, pins 3, 13 and 17. Plug 3, pins

12-25Module I/O SpecificationsA14 Pulse DriverOutputsTo 13 MHz output on Rear Panel13M_REF_OUT_A P3(17)Waveshape: SineLevel: >7.5 dBmNominal Output

12-26Module I/O SpecificationsA15 ReferenceA15 ReferenceUse extender card 08922-60129.Use coax jumpers on Plug 1, pins 3, 9, 13 and 17. Plug 3, pins 9,

12-27Module I/O SpecificationsA15 ReferenceHop ControlOutputsTo A33 Hop ControllerJ2(5,8,9)Levels: TTLClock Rate: ≅ 180 kHz (bursts)Amplitude +5 VdcTo

12-28Module I/O SpecificationsA15 ReferenceFigure 4-6 Typical DisplayFigure 4-7 Typical DisplayTo A14 Pulse Driver1M_REF_C J3(2)Frequency: 1 MHz ± 5

12-29Module I/O SpecificationsA15 ReferenceTo A18 Spectrum AnalyzerSA_20M_REF J3(5)Frequency: 20 MHz ± 100 HzWaveshape: SineHarmonics: <-25 dBcSubha

1-6Localizing the ProblemIf Power-Up Checks FAILEDPower-Up Self Test DiagnosticsIf the power-up sequence failed, the power-up self-tests can be re-run

12-30Module I/O SpecificationsA15 ReferenceFor measurement procedure and waveform, refer to "A5 Premodulation Filter and NSM",page 12-10.Refe

12-31Module I/O SpecificationsA15 ReferenceOUT_1G_REF is only present for RF Generator settings up to 291 MHz. Used forfrequency translation. Refer to

12-32Module I/O SpecificationsA16 ReceiverA16 ReceiverUse extender card 08922-60129.Use coax jumpers on Plug 1, pins 3, 7 and 13. Plug 3, pins 3, 9 and

12-33Module I/O SpecificationsA16 ReceiverOutputsFigure 4-8 Typical DisplayTo test Pulse Demod apply RF Carrier with AM modulation to RF Input, measur

12-34Module I/O SpecificationsA16 ReceiverTo test FM Demod apply RF Carrier with FM modulation to RF Input, measure FMDemod on oscilloscope.NOTE: Ensur

12-35Module I/O SpecificationsA16 ReceiverTo A18 Spectrum AnalyzerSA_114.3_M J3(13)Frequency: 114.3 MHz ± 5 MHzLevel -20 dBmTo A19 Measurement Assembly

12-36Module I/O SpecificationsA18 Spectrum AnalyzerA18 Spectrum AnalyzerUse extender card 08922-60129.Use coax jumpers on Plug 1, pins 3 and 17. Plug 2

12-37Module I/O SpecificationsA18 Spectrum AnalyzerOutputsFrom A19 Measurement AssemblySWP_STRT J1(6)Levels: CMOSHigh = Sweep StartLow = Sweep StopCLK_

12-38Module I/O SpecificationsA19 MeasurementA19 MeasurementUse extender card 08920-60138.Power Supplies+5 V J1(15,16) J2(21,24) 420 mA+12 V J2(26) 120

12-39Module I/O SpecificationsA19 MeasurementInputsVoltmeter Multiplexer+5 J2(24,21) J1(15,16)+12 J2(26) - FM Motherboard+38 J3(17) - FM Motherboard -1

1-7Localizing the ProblemIf Power-Up Checks FAILEDThe following conventions are used to represent the LED’s throughout this chapter.LED SequencesThe L

12-40Module I/O SpecificationsA19 MeasurementScope MultiplexerPROC_AUD J3(24) - FM Audio Analyzer 2 A2SA_SCP J3(23) - From Spectrum Analyzer A18RI_SCP

12-41Module I/O SpecificationsA19 MeasurementCounter InputsAUDIO1_CNT J1(6) - FM Audio Analyzer 1 A3RI_CNT J1(8)IN_CNT J1(5) - From Input Section A23IF

12-42Module I/O SpecificationsA19 MeasurementTrigger InputScope Trigger InternalSIGN_SCP_TRIG J1(10)RI_SCP_TRIG J1(7)EXT_TRIG J1(4)INTERNAL TRIGGER In

12-43Module I/O SpecificationsA23 Input (HP/Agilent 8922A.B,E,F,G,H) OnlyA23 Input (HP/Agilent 8922A.B,E,F,G,H) OnlyNOTE: Applies to Mechanical Attenua

12-44Module I/O SpecificationsA23 Input (HP/Agilent 8922A.B,E,F,G,H) OnlyOutputsFrom Front PanelRF IN/OUT Output J1Freq Range .4 to 1000 MHzFrom Front

12-45Module I/O SpecificationsA23 Input (HP/Agilent 8922A.B,E,F,G,H) OnlyMeasure using known reference signal, refer to "A11 Receiver Mixer",

12-46Module I/O SpecificationsA23 Input (HP/Agilent 8922A.B,E,F,G,H) OnlyTo A19 Measurement AssemblyIN_VOLT J6(15)AUTO_RNG_DET Prescaler AGC RF peak de

12-47Module I/O SpecificationsA23 Input (Agilent 8922M/S Only)A23 Input (Agilent 8922M/S Only)NOTE: Applies to Electronic Attenuator only.No extender c

12-48Module I/O SpecificationsA23 Input (Agilent 8922M/S Only)OutputsMeasure using known reference signal, refer to "A11 Receiver Mixer", pag

12-49Module I/O SpecificationsA23 Input (Agilent 8922M/S Only)To A19 Measurement AssemblyIN_VOLT J6(15)TEMP_DET Temperature sensor voltage. Nominal

1-8Localizing the ProblemIf Power-Up Checks FAILEDNOTE 1. The third patterns are only documented for a serial bus communication failure. This isrepres

12-50Module I/O SpecificationsA25 Sum LoopA25 Sum LoopUse extender card 08922-60129.Use coax jumpers on Plug 1, pin 3. Plug 3, pins 3, 17.Power Supplie

12-51Module I/O SpecificationsA25 Sum LoopIf difficulty is found measuring STEP_LP_OUT, set RF Generator to 250 MHz and useoscilloscope settings from li

12-52Module I/O SpecificationsA25 Sum LoopChange frequency on RF Generator page. Select modulation types on or off. On spectrumanalyzer, GMSK Modulatio

12-53Module I/O SpecificationsA17, A26 Step LoopA17, A26 Step LoopUse extender card 08922-60129.Use coax jumpers on Plug 1, pin 3. Plug 3, pin 3.Power

12-54Module I/O SpecificationsA17, A26 Step LoopOutputsSee "A25 Sum Loop", page 12-50, for measurement procedure.Step Loop B(A17) To achieve

12-55Module I/O SpecificationsA17, A26 Step LoopTo A19 Measurement BoardAUX1/2_VM J2(6)Voltage Range: -5 V to +5 V - typically +5 Vdcfor default/Prese

12-56Module I/O SpecificationsA27 DAC/UpconverterA27 DAC/UpconverterUse extender card 08922-60129.Use coax jumpers on Plug 1, pins 7, 9 and 13. Plug 3,

12-57Module I/O SpecificationsA27 DAC/UpconverterSee "A15 Reference", page 12-26, for measurement procedure.OutputsSee "A25 Sum Loop&quo

12-58Module I/O SpecificationsA28 Power SupplyA28 Power SupplyThis spec is for the complete assembly which includes the transformer and plug-in boards.

12-59Module I/O SpecificationsA33 Hop ControllerA33 Hop ControllerPower SuppliesInputsHop Control Input Bus+15 V J21(100) < 5 mA-15 V J21(40,59,60,6

1-9Localizing the ProblemIf Power-Up Checks FAILEDWhere to Go Next❒ If the LED’s did not light at all, go to Chapter 6, "Troubleshooting the Powe

12-60Module I/O SpecificationsA33 Hop ControllerFrom Rear PanelRX_HOP J21(3)Amplitude: TTL levelsHigh drive requirement: 100 µALow drive requirement: -

12-61Module I/O SpecificationsA33 Hop ControllerHost Processor InterfaceOutputsFront Panel InputPULSE_MOD_IN J21(68)ON latency: ≅ 25 µSOFF latency: ≅ 1

12-62Module I/O SpecificationsA33 Hop ControllerFast Hop Busses I/OClock, Data, and EnableSlow BussesClock, Data, and EnableINPUT SECTION J21(40,46,44)

13-113Instrument Block Diagrams

13-2Instrument Block DiagramsIntroductionIntroductionThis chapter contains the block diagrams for the HP/Agilent 8922A/B/E/F/G/H/M/S.Additional inform

13-3Instrument Block DiagramsIntroductionBlock Diagram 3Block Diagram 3 contains circuits found only in the HP/Agilent 8922B. These circuits areused w

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14-114Block Diagram Theory of Operation

14-2Block Diagram Theory of OperationIntroductionIntroductionThe HP/Agilent 8922 is a specialized instrument designed to test GSM and PCN mobileradios

14-3Block Diagram Theory of OperationTechnical DiscussionTechnical DiscussionThe HP/Agilent 8922 can be divided into two instruments, a signal generat

© Copyright 1998, Agilent Technologies. All rights reserved. Reproduction, adaptation, or translation without priorwritten permission is prohibited, e

1-10Localizing the ProblemIf Power-Up Happened CorrectlyIf Power-Up Happened CorrectlyIf power-up happened correctly and no problem is indicated, this

14-4Block Diagram Theory of OperationBlock Diagram 1Block Diagram 1RF AnalyzerAudio AnalyzerSpectrum AnalyzerA23 InputA24 High Power AttenuatorThe A23

14-5Block Diagram Theory of OperationBlock Diagram 1is limited. The diagnostics also verify the input filters and a connectivity check is providedto ve

14-6Block Diagram Theory of OperationBlock Diagram 1To measure this signal it is necessary to “tee” the connection so that the dc control voltageis al

14-7Block Diagram Theory of OperationBlock Diagram 1The primary measurements of the A9 Global Test and Demod assembly are phase,frequency, and amplitu

14-8Block Diagram Theory of OperationBlock Diagram 1two analyzer modules provide gain, attenuation, and distribution functions of the audiosignals. Th

14-9Block Diagram Theory of OperationBlock Diagram 2Block Diagram 2RF GeneratorAF GeneratorA15 ReferenceThe A15 Reference assembly contains the circui

14-10Block Diagram Theory of OperationBlock Diagram 2Compared to common modulation formats like AM, FM, and phase modulation, the 0.3GMSK format is mo

14-11Block Diagram Theory of OperationBlock Diagram 2necessary to do manual troubleshooting to find out if the A5 Premod Filter and NSMassembly is corr

14-12Block Diagram Theory of OperationBlock Diagram 2To speed up the operation during frequency changes, a Sum Loop pretune line is providedby the A26

14-13Block Diagram Theory of OperationBlock Diagram 2A12 Pulse AttenuatorIn addition to 0.3 GMSK modulation, the RF signals must also be pulse modulat

1-11Localizing the ProblemIf Power-Up Happened CorrectlyHighlight the RF Output field (1).Select AUX RF OUT from the list of choices.Set the RF Generat

14-14Block Diagram Theory of OperationBlock Diagram 2A4 Modulation DistributionA6 Signaling Source/AnalyzerThese modules are leveraged from an earlier

14-15Block Diagram Theory of OperationBlock Diagram 3 HP/Agilent 8922B OnlyBlock Diagram 3HP/Agilent 8922B OnlyThe HP/Agilent 8922B contains 3 modules

14-16Block Diagram Theory of OperationBlock Diagram 3 HP/Agilent 8922B OnlyA37 Sequence ControllerThe A37 Sequence Controller assembly contains the sw

14-17Block Diagram Theory of OperationBlock Diagram 4Block Diagram 4This block diagram illustrates the assemblies that are unique to the HP/Agilent 89

14-18Block Diagram Theory of OperationBlock Diagram 5Block Diagram 5This block diagram illustrates the busses that interconnect the instrument control

15-115Diagnostics Theory

15-2Diagnostics TheoryIntroductionIntroductionThis chapter describes what is tested by the memory card based or ROM based diagnosticsand how to interp

15-3Diagnostics TheoryAF_DIAGSAF_DIAGSAudio Frequency Generators 1 and 2This test checks the A6 Signaling Source/Analyzer assembly. As a test signal,

15-4Diagnostics TheoryAF_DIAGSAudio Analyzer 1 Internal PathsThis test checks the A3 Audio Analyzer 1 assembly. Using the AFG1 output of the A6Signali

15-5Diagnostics TheoryRF_DIAGSRF_DIAGSReferenceThis test checks the A15 Reference Section assembly.10 MHz Lock Detector StateThe 10 MHz VCO is measure

1-12Localizing the ProblemIf Power-Up Happened CorrectlyChecking the RF Analyzer Using the RF GeneratorThis section tests the RF Analyzer using the RF

15-6Diagnostics TheoryRF_DIAGSRF Generator Step LoopThis test checks the A26 Step Loop A assembly.RF Generator Loop 1 MHz Reference DetectorThis test

15-7Diagnostics TheoryRF_DIAGSOpen Loop ALC DriveThis test opens the ALC loop and checks the voltage that appears on the output of themodulator with t

15-8Diagnostics TheoryRF_DIAGSRF Detectors 1The low and high sensitivity detectors are checked both with and without a signal present.Step AttenuatorT

15-9Diagnostics TheoryRF_DIAGSRF Analyzer Loop 1 MHz Reference DetectorThis test checks for the presence of the 1 MHz reference.RF Analyzer Loop Lock

15-10Diagnostics TheoryRF_DIAGSDown Converters (With Spectrum Analyzer) TestThe RF generator is fed to the receiver IF through the A23 Input and A11 R

15-11Diagnostics TheoryMS_DIAGSMS_DIAGSExternal ReferenceExt Reference Present DetectorThe external reference detector is read.Ext Reference Lock Dete

15-12Diagnostics TheoryGSM and DCS Diagnostic TestsGSM and DCS Diagnostic TestsEach of these tests performs a functional check on the instrument by ge

15-13Diagnostics TheoryInterpreting ResultsInterpreting ResultsWhen a failure occurs, a message is displayed showing the number of failures and thepro

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16-116Measurement Theory

1-13Localizing the ProblemIf Power-Up Happened Correctly• Set the RF Analyzer Frequency field to 935 MHz (1).• Set the RF Analyzer Amplitude field to

16-2Measurement TheoryIntroductionIntroductionThis chapter describes which blocks of the instrument are used in the variousmeasurements. The measureme

16-3Measurement TheoryIntroductionDSP ANL• A23 Input• A11 Receiver Mixer• A16 Receiver• A9 Global Test and DemodThe DSP analyzer measurements digitall

16-4Measurement TheoryIntroductionCW MEAS/AF ANALYZER• A23 Input• A19 Measurement• A11 Receiver Mixer• A16 Receiver• A3 Audio Analyzer 1• A2 Audio Ana

16-5Measurement TheoryIntroductionassembly digitizes the signals from the A18 Spectrum Analyzer assembly. After themeasurement is done the measurement

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17-117GSM Theory

17-2GSM TheoryIntroductionIntroductionThe HP/Agilent 8922 product family is designed to measure and generate signals for theGSM digital cellular telep

17-3GSM TheoryThe GSM SystemThe GSM SystemThe GSM system uses two frequency bands ranging from 890 to 915 MHz and935 to 960 MHz. The bands are broken

17-4GSM TheoryE-GSM, DCS1800 and PCS1900 SystemsE-GSM, DCS1800 and PCS1900 SystemsGSM900 is the original GSM system, using frequencies in the 900 MHz

Index-1Symbols”B” Referencetheory, 14-15Numerics1 GHz and 500 MHz Level Detectorstheory, 15-51 GHz Oscillator Lock Detector Statetheory, 15-510 MHz Fi

1-14Localizing the ProblemIf Power-Up Happened Correctly• Select CW/AF ANL from the list of choices, and read the CW Freq (5) and CW Power(6) fields.F

IndexIndex-2part number, 9-8Service Kit, 4-5specs, 12-56theory, 14-11A27 DAC/Upconverterdiagnostics, 15-5A28part location, 9-9part number, 9-8, 9-10sp

IndexIndex-3theory, 14-9Block Diagram 3theory, 14-15Block Diagram 4theory, 14-17Block diagram 5theory, 14-18Block Diagram Theory of Operation, 14-2blo

IndexIndex-4specs, 12-47Input Sectiontheory, 15-7Instrument Block Diagrams, 13-2KKeyboardtroubleshooting, 5-2, 5-6Lline cord, 6-3Line Fuse, 6-5line mo

IndexIndex-5RF Analyzer Loop Lock Detectortheory, 15-9RF Analyzer Step Looptheory, 15-8RF Detectors 1theory, 15-8RF Detectors 2theory, 15-8RF Generato

IndexIndex-6

1-15Localizing the ProblemIf Power-Up Happened CorrectlyChecking the AF Analzyer Using the AF GeneratorThis section tests the AF Analyzer with the AF

1-16Localizing the ProblemIf Power-Up Happened CorrectlyWhere to go next• If the analyzer measurement was within specification, go to Chapter 2, “Runn

2-12Running Diagnostics

2-2Running DiagnosticsIntroductionIntroductionThere are two types of diagnostics for the HP/Agilent 8922: diagnostic tests and the HP/Agilent 8922B sp

2-3Running DiagnosticsRunning Memory Card or ROM Based DiagnosticsRunning Memory Card or ROM Based DiagnosticsDo these steps in the order shown3 Press

iIntroductionIntroductionThe HP/Agilent 8922 product family uses an assembly level repair service strategy. TheHP/Agilent 8922 may be sent to an Agil

2-4Running DiagnosticsRunning Memory Card or ROM Based DiagnosticsMove cursor here andpress knob.For Memory Cards:If CARD is displayed, go to step 6,

2-5Running DiagnosticsRunning Memory Card or ROM Based DiagnosticsReading Memory Card Diagnostic Test ResultsTest ResultsAssemblies suspected to be de

2-6Running DiagnosticsRunning Memory Card or ROM Based DiagnosticsSelecting Memory Card Diagnostic Test Execution ConditionsWhere to Go Next:If any hi

2-7Running DiagnosticsLoading and Running the Ram TestLoading and Running the Ram TestYour HP/Agilent 8922B comes with software to test the Data Buffe

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3-13Verifying Performance

3-2Verifying PerformanceIntroductionIntroductionBecause of the specialized nature of the HP/Agilent 8922 and the equipment required tosupport it, it i

3-3Verifying PerformanceUsing the Compatibility Switch for the HP/Agilent 8922F/H or M/STo Load the Program in the Agilent 8922M/S.To verify the perfo

3-4Verifying PerformanceUsing the Compatibility Switch for the HP/Agilent 8922F/H or M/STo Configure the GPIB Addresses1) With the program loaded, typ

4-14Using the HP/Agilent 83210A Service Kit

iiIntroduction

4-2Using the HP/Agilent 83210A Service KitIntroductionIntroductionThis section is a supplement to the diagnostics program for troubleshooting theHP/Ag

4-3Using the HP/Agilent 83210A Service KitConfiguring the RF ExtenderConfiguring the RF ExtenderTo extend RF modules, it is necessary to use the RF ext

4-4Using the HP/Agilent 83210A Service KitConfiguring the RF ExtenderThe following example shows how to interpret table 4-2 and install the coax jumper

4-5Using the HP/Agilent 83210A Service KitExtending ModulesExtending ModulesThe modules shown in the following table can be extended using the appropr

4-6Using the HP/Agilent 83210A Service KitMaking MeasurementsMaking MeasurementsAudio / Digital AssembliesThe extender boards for the audio and digita

4-7Using the HP/Agilent 83210A Service KitMaking Measurements3. Remove the correct coax jumper and connect a measurement instrument as shown inthe fol

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5-15Troubleshooting the Controller/Display

5-2Troubleshooting the Controller/DisplayIntroductionIntroductionThis chapter helps isolate problems in the control sections of the instrument, the se

5-3Troubleshooting the Controller/DisplayParallel BusParallel BusThe parallel bus is at the center of the control section. The parallel bus is defined

ContentsContents-1Introduction i1 Localizing the ProblemIntroduction 1-2Localizing the Problem - Flow Chart (Power-Up) 1-3Power-Up Checks 1-4If Power

5-4Troubleshooting the Controller/DisplaySerial BusSerial BusThe serial bus controls many of the assemblies through individual serial control lines. T

5-5Troubleshooting the Controller/DisplayDisplayDisplayThe display section contains the A22 CRT, and the A20 CRT Drive. The A20 CRT Drivereceives para

5-6Troubleshooting the Controller/DisplayKeyboardKeyboardThe A1 Keyboard assembly contains both the keys and the knob. The keyboard isconfigured in a m

5-7Troubleshooting the Controller/DisplayKeyboardIf the pull-up voltages are present at the end of the ribbon cable and the voltages are notpulled dow

5-8Troubleshooting the Controller/DisplayKeyboardThis Page Intentionally Left Blank

6-16Troubleshooting the Power Supply

6-2Troubleshooting the Power SupplyIntroductionIntroductionThis chapter helps verify that the power supply is at fault when no indication for power is

6-3Troubleshooting the Power SupplyPower Cord VerificationPower Cord VerificationUse this diagram to verify that the correct line cord is being used.Ta

6-4Troubleshooting the Power SupplyPower Cord Verification8120-29568120-29578120-399734490/Straight90/90Straight/Straight79 (201) GrayGrayGrayDenmark81

6-5Troubleshooting the Power SupplyLine Voltage Selection / Line Fuse ReplacementLine Voltage Selection / Line Fuse ReplacementUse this diagram to ver

ContentsContents-26 Troubleshooting the Power SupplyIntroduction 6-2Power Cord Verification 6-3Line Voltage Selection / Line Fuse Replacement 6-5Trans

6-6Troubleshooting the Power SupplyTransformer / Power SwitchTransformer / Power SwitchUse this diagram to verify that the correct voltages are presen

6-7Troubleshooting the Power SupplyA28 Power SupplyA28 Power SupplyUse this diagram to verify that the regulated voltages are present and correct at t

6-8Troubleshooting the Power SupplyWhere To Go NextWhere To Go NextIf any part of the power supply is defective refer to chapter 8 “Assembly/Disassemb

7-17Adjustments and Calibration

7-2Adjustments and CalibrationIntroductionIntroductionThis chapter contains information to perform the necessary calibrations and adjustmentsfor perio

7-3Adjustments and CalibrationTimebase AdjustmentsTimebase AdjustmentsStandard Timebase Adjustment Procedure (Reference Calibration)NOTE This procedur

7-4Adjustments and CalibrationTimebase AdjustmentsOption 001 High Stability Timebase Adjustment Procedure1. Remove the instrument top cover. Power up

7-5Adjustments and CalibrationPeriodic CalibrationsPeriodic CalibrationsTo Run the Periodic Self-Calibration Program1. Press to access the TESTS scre

7-6Adjustments and CalibrationSum Loop Adjustment ProcedureSum Loop Adjustment ProcedureThis procedure should be performed whenever Step Loop A Assemb

7-7Adjustments and CalibrationSum Loop Adjustment ProcedureSecond Adjustment9. Now set the HP/Agilent 8922 frequency to 502 MHz.10. Set the spectrum a

ContentsContents-39 Replacing a PartIntroduction 9-2Replaceable Parts 9-3Firmware Upgrades 9-2910 Service ScreenIntroduction 10-211 Self-Test Error

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8-18Assembly and Disassembly Procedures

8-2Assembly and Disassembly ProceduresIntroductionIntroductionRemoving and replacing assemblies is straightforward. This chapter contains tool lists,h

8-3Assembly and Disassembly ProceduresTop and Bottom Cover RemovalTop and Bottom Cover Removal1. Remove four 2-pt. Pozidriv top bumper mounting screws

8-4Assembly and Disassembly ProceduresInside Protective CoversInside Protective CoversAll covers can be removed with a TX-15 screw driver. Screws show

8-5Assembly and Disassembly ProceduresAF, Digital and RF Assemblies RemovalAF, Digital and RF Assemblies RemovalA27A28A25A13A15A11A16A18A17A14A2 A3 A4

8-6Assembly and Disassembly ProceduresAF, Digital and RF Assemblies RemovalThis can only be done once the top cover and inside protective covers have

8-7Assembly and Disassembly ProceduresA1 Front Panel RemovalA1 Front Panel RemovalDone with top, bottom, and inside protective covers removed.Removing

8-8Assembly and Disassembly ProceduresA1 Front Panel RemovalA167-11(A1 Mounting Screws)49-52,54-63,66547(Trim)2(Frame)1(Panel31(Nut under Dress) volu

8-9Assembly and Disassembly ProceduresA10 Power Supply Regulator RemovalA10 Power Supply Regulator RemovalDone with top cover removed.1. Remove Digita

ContentsContents-4A28 Power Supply 12-58A33 Hop Controller 12-5913 Instrument Block DiagramsIntroduction 13-214 Block Diagram Theory of OperationInt

8-10Assembly and Disassembly ProceduresA11 Receiver Mixer RemovalA11 Receiver Mixer RemovalDone with top cover removed.1. Remove RF cover.2. Remove at

8-11Assembly and Disassembly ProceduresA11 Receiver Mixer Removal3SIDE VIEWMIXER12TOP VIEW

8-12Assembly and Disassembly ProceduresA12 Pulse Attenuator RemovalA12 Pulse Attenuator RemovalDone with top cover removed.1. Remove RF cover.2. Remov

8-13Assembly and Disassembly ProceduresA12 Pulse Attenuator RemovalSIDE VIEWTOP VIEW12PULSESWITCH3

8-14Assembly and Disassembly ProceduresA21 GPIB Interface RemovalA21 GPIB Interface RemovalDone with top cover removed.1. Remove four TX-15 power supp

8-15Assembly and Disassembly ProceduresA21 GPIB Interface Removal234TOP VIEW1

8-16Assembly and Disassembly ProceduresA22 Display RemovalA22 Display RemovalDone with instrument top and bottom covers removed.1. Do steps 1 through

8-17Assembly and Disassembly ProceduresA22 Display Removal8765CRT SIDE VIEW4(4 places)2CRT3

8-18Assembly and Disassembly ProceduresA23 Input Section RemovalA23 Input Section RemovalDone with instrument top and bottom cover removed.1. Do steps

8-19Assembly and Disassembly ProceduresA24 Attenuator RemovalA24 Attenuator RemovalDone with instrument top and bottom covers removed.1. Do steps 1 th

ContentsContents-516 Measurement TheoryIntroduction 16-217 GSM TheoryIntroduction 17-2The GSM System 17-3E-GSM, DCS1800 and PCS1900 Systems 17-4Inde

8-20Assembly and Disassembly ProceduresA28 Power Supply RemovalA28 Power Supply RemovalDone with instruments top and bottom covers removed.1. Remove p

8-21Assembly and Disassembly ProceduresA28 Power Supply Removal

8-22Assembly and Disassembly ProceduresFan RemovalFan RemovalDone with top cover removed.1. Remove four TX-15 power supply cover screws and remove cov

8-23Assembly and Disassembly ProceduresFan Removal

8-24Assembly and Disassembly ProceduresTransformer RemovalTransformer RemovalDone with top and bottom covers removed.1. Do steps 1 through 8 of the A2

9-19Replacing a Part

9-2Replacing a PartIntroductionIntroductionTo order parts contact your local Agilent Technologies Sales and Service office.Assembly ReplacementsFor mos

9-3Replacing a PartReplaceable PartsReplaceable PartsThe following tables and figures list part numbers for replaceable parts. For moreinformation or d

9-4Replacing a PartReplaceable PartsTable 9-2 Replaceable PartsItem Agilent PartNumberCDQty. Description Mfr. Code Mfr.PartNumberA1 08920-60201 3 1 BD

9-5Replacing a PartReplaceable PartsA167-11(A1 Mounting Screws)49-52,54-63,66547(Trim)2(Frame)1(Panel31(Nut under Dress) volume knob)483332J170W31Pow