Agilent Technologies 8935 Series Specifikace

Agilent Technologies 8935 SeriesE6380A CDMA Cellular/PCS Base Station Test SetAssembly Level RepairFirmware Version B.03.10 and aboveAgilent Part Numb

10 ContentsCDMA Signal Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .299Power Me

Chapter 4 99Preventative MaintenanceMaintenance ProceduresFigure 4-1 AA Batteries, Air Filter, and GFI Reset/Test ButtonsPC Card BatteryCAUTIONBEFORE

100 Chapter 4Preventative MaintenanceMaintenance ProceduresFigure 4-2 PCMCIA Card Battery ReplacementBattery Holder BatteryCAUTION: INSERT CARD INTO

1015 DisassemblyThis chapter explains how to disassemble the Test Set for major assembly replacement.

102 Chapter 5DisassemblyService ToolsService Tools Tools One or more of the following tools may be required to access and/or remove various internal a

Chapter 5 103DisassemblyAssembly ReplacementsAssembly Replacements With some assemblies you will receive a memory card that contains factory-generated

104 Chapter 5DisassemblyRemoving the External and Internal CoversRemoving the External and Internal CoversTo access most of the components inside the

Chapter 5 105DisassemblyRemoving the External and Internal CoversInternal CoversThere are internal covers protecting the top- and bottom-side assembli

106 Chapter 5DisassemblyRemoving the External and Internal CoversFigure 5-2 Top Internal Coversintcvr3.epsk1k1©k2k3k4k5ShiftShiftk2©k3©k4©ReleaseMenu

Chapter 5 107DisassemblyRemoving the External and Internal CoversFigure 5-3 Topside View of Test SetSIG GEN SYNTH A2A25RF OUPUT A2A24REFERENCE

108 Chapter 5DisassemblyRemoving the External and Internal CoversBottom Internal CoverTo access the assemblies on the bottom side of the Test Set, tur

111 General InformationThis chapter contains generic information about the product, safety, warranty, sales and service offices, power-cables, and oth

Chapter 5 109DisassemblyRemoving the External and Internal CoversFigure 5-5 Bottom View of Test Set (without Bottom Cover)a2btmvw3.epsJ3J1J2J17J16J15

110 Chapter 5DisassemblyA1 DisassemblyA1 Disassembly1. Remove the front frame, external cover, and internal top and bottom covers, see “Removing the E

Chapter 5 111DisassemblyA1 DisassemblyFigure 5-7 A1 Assemblies and ComponentsJ5J5J2J1a1parts1.epsA1A3Display A1A1Keypad A1A2(sheet metal frame inclu

112 Chapter 5DisassemblyA2 DisassemblyA2 DisassemblyThis section describes how to disassemble the A2 assembly. Use Table 5-1 below to see which assemb

Chapter 5 113DisassemblyA2 DisassemblyNOTEFor cable routing information see Table 5-2 on page 130.Figure 5-8 Module and PC Board AssembliesSIG GEN SY

114 Chapter 5DisassemblyA2 DisassemblyFigure 5-9 PC Board Assemblies

Chapter 5 115DisassemblyA2 DisassemblyA2A80A1 and A2A80A2 Filter Assembly RemovalTo remove either of the filter option assemblies on the A2A80 Audio A

116 Chapter 5DisassemblyA2 DisassemblyPCMCIA Assembly1. Remove the front frame, external cover, and the front internal cover from the Test Set, see “

Chapter 5 117DisassemblyA2 DisassemblyControl Interface Assembly1. Remove the standoffs and screwlocks from the connector panel as shown in Figure 5-1

118 Chapter 5DisassemblyA2 DisassemblyRF Input/Output, Upconverter, & Downconverter AssembliesThe RF Input/Output A2A130, Upconverter A2A130, and

12 Chapter 1General InformationManufacturer's DeclarationManufacturer's DeclarationThis statement is provided to comply with the requirement

Chapter 5 119DisassemblyA2 DisassemblyFigure 5-13 RF Input/Output, Upconverter, & Downconverter Removalpartmod1.epsRF Input/OutputAssemblyA2A130U

120 Chapter 5DisassemblyA2 DisassemblyLO IF/IQ Modulator and CDMA Generator Reference (Gen Ref) AssembliesThe LO IF/IQ Modulator and Gen Ref assemblie

Chapter 5 121DisassemblyA2 DisassemblyFigure 5-14 LO IF/IQ Modulator & CDMA Generator Reference RemovalLO IF/IQ MODAssembly A2A120W58 REDW63 YEL

122 Chapter 5DisassemblyA2 DisassemblyAttenuator Assembly1. Remove the front, side, and rear external covers, and the top and bottom internal covers,

Chapter 5 123DisassemblyA2 DisassemblyFigure 5-15 Attenuator Assembly RemovalA2 Assembly(Rear View)a2a200 1.epsAttenuatorA2A200A2 Assembly(Rear View)

124 Chapter 5DisassemblyA2 DisassemblyMotherboard Assembly1. Remove the all external and internal (top and bottom) covers from the Test Set, see “Remo

Chapter 5 125DisassemblyA2 DisassemblyFigure 5-16 Motherboard Removalmom1.epsSIG GEN SYNTHSIG GEN SYNTHOUTPUT SECTOUTPUT SECTREFERENCEREFERENCERCVR S

126 Chapter 5DisassemblyA3 DisassemblyA3 Disassembly1. Remove the Test Set’s external and internal covers, see “Removing the External and Internal Cov

Chapter 5 127DisassemblyA3 DisassemblyRemoving the Power Supply Regulator AssemblyTo remove the A3A1 regulator assembly, disconnect the cables and the

128 Chapter 5DisassemblyA3 DisassemblyFigure 5-19 Power Supply Removalps_cvr1.epsPower SupplyCoverJ7J13J14RearSub-Panelps_rmv2.epsPower Supply Assemb

Chapter 1 13General InformationSafety ConsiderationsSafety ConsiderationsGENERALThis product and related documentation must be reviewed for familiariz

Chapter 5 129DisassemblyA3 DisassemblyPower Supply Switch, Fan, & Battery Holder Assemblies1. Remove the regulator assembly, see “Removing the Pow

130 Chapter 5DisassemblyWire/Cable InformationWire/Cable InformationTable 5-2 Wire/Cable ListWire # From To Part NumberW1 "AUDIO OUT" (Pane

Chapter 5 131DisassemblyWire/Cable InformationW25 A2A1 J76 A2A34 J709 "1.2200 MHz_DATA_OUT"E6380-61044W26 A2A1 J75 A2A34 J4 "19.6 MHz

132 Chapter 5DisassemblyWire/Cable InformationW65-W99 NOT USED N/AW100 A2A1 J3 "RF OUT" A2A110 J1 E6380-61021W101 A2A110 J2 A2A130 J2 E6380-

Chapter 5 133DisassemblyWire/Cable InformationW221 A3A1 J5 A2A1 J73 (multiconductor power cable)E6380-61036W222 A3A1 J6 POWER SUPPLY, A3A2 J14E6380-61

134 Chapter 5DisassemblyWire/Cable Information

1356 Replaceable PartsThis chapter contains the replaceable assembly and component information for the Test Set. Use the illustrations in this chapter

136 Chapter 6Replaceable PartsReplacement & Ordering PartsReplacement & Ordering PartsDirect Parts Ordering See “Factory Support” on page 46.

Chapter 6 137Replaceable PartsParts IdentificationParts Identification Major Assembly OverviewShown below is a top view of the Test Set with external

138 Chapter 6Replaceable PartsParts IdentificationCovers and Chassis PartsFigure 6-2 External and Internal Covers

14 Chapter 1General InformationSafety ConsiderationsSafety Considerations for this InstrumentWARNINGWhenever it is likely that the protection has been

Chapter 6 139Replaceable PartsParts IdentificationA1 AssembliesFigure 6-3 A1 Assembly - Front PanelJ5J5J2J1a1parts1.epsA1A3Display A1A1Keypad A1A2(s

140 Chapter 6Replaceable PartsParts IdentificationA2 AssembliesModule and PCB Board AssembliesFigure 6-4 SIG GEN SYNTH A2A25RF OUPUT A2A24REFERENC

Chapter 6 141Replaceable PartsParts IdentificationPCB Assemblies Figure 6-5 J709J22"19.6 MHz IN"J402 "RP I SIG"J400 "SIG OUT

142 Chapter 6Replaceable PartsParts IdentificationPCMCIA AssemblyFigure 6-6 Attenuator AssemblyFigure 6-7 J5J5J2J1J5J5J2J1a2a10.epsPCMCIA AssemblyA2A1

Chapter 6 143Replaceable PartsParts IdentificationControl Interface Assembly & ConnectorsFigure 6-8 A2J3J4J5J6J3J8J2J7J10J1Control Interface Board

144 Chapter 6Replaceable PartsParts IdentificationRF/IO, Up Converter, and Down Converter AssembliesFigure 6-9 partmod1.epsRF Input/OutputAssemblyA2A1

Chapter 6 145Replaceable PartsParts IdentificationLO IF/IQ MOD and GEN REF AssembliesFigure 6-10 a2a120_2.epsLO IF/IQ MOD AssemblyA2A120Gen Ref Assemb

146 Chapter 6Replaceable PartsParts IdentificationMotherboard and Sub FrameFigure 6-11 mom_rmv1.epsSIG GEN SYNTHSIG GEN SYNTHOUTPUT SECTOUTPUT SECTREF

Chapter 6 147Replaceable PartsParts IdentificationA3 Rear Panel AssemblyFigure 6-12 Rear Sub-PanelMP50Switch A3S1Fan A3B1Power Supply A3A2J7J13J14MP10

148 Chapter 6Replaceable PartsParts IdentificationCable AssembliesFigure 6-13 Cables, Top ViewSIG GEN SYNTH A2A25RF OUPUT A2A24REFERENCE A2A23R

Chapter 1 15General InformationSafety ConsiderationsWARNINGThis product is a Safety Class I instrument (provided with a protective earthing ground inc

Chapter 6 149Replaceable PartsParts IdentificationFigure 6-14 Cables, Panel and Bottom Side Views

150 Chapter 6Replaceable PartsParts ListParts ListTable 6-1 Ref. Des. Description Part NumberA1 FRNT PNL KIT E6380-61891A1A1 EL DISPLAY 6.5IN 2090-057

Chapter 6 151Replaceable PartsParts ListA2A80 AUDIO ANALYZER #1 KIT 08920-61811A2A90A1 1C-MESS FLTR 08920-61056A2A90A2 6KHZ BP FLT 08920-61063A2A100 G

152 Chapter 6Replaceable PartsParts ListACC7 FW REPLMT KIT E6380-61858ACC8 KIT-SYS PWR CAL E6380-61811MP1 AY-IMPACT COVER E6380-61099MP2 AY FRONT FRAM

Chapter 6 153Replaceable PartsParts ListMP37 WSHR LK .256ID 2190-0027MP50 SUBPANEL-REAR E6380-61107MP51 COVER-POWER SUPPLY E6380-00064MP100 CLAMP-CABL

154 Chapter 6Replaceable PartsParts ListW15 CA F SMB-BNC 525 E6380-61075W16 CA AY-BNC-SMB E6380-61076W17 CA F SMB-BNC 525 E6380-61077W24 CX F SMB-SMB

Chapter 6 155Replaceable PartsParts ListW124 S/R CABLE to A2A200 E6380-61111W125 S/R CABLE to A2A130 E6380-61112W200 RBN 10CNDCT28AWG 1252-8299W201 RB

156 Chapter 6Replaceable PartsParts List

1577 Periodic AdjustmentsThis chapter contains the periodic adjustment procedures for the Test Set.

158 Chapter 7Periodic AdjustmentsPeriodic AdjustmentsPeriodic AdjustmentsSome assemblies or combinations of assemblies require periodic adjustments to

16 Chapter 1General InformationSafety ConsiderationsWARNINGAlways use the three-prong ac power cord supplied with this product. Failure to ensure adeq

Chapter 7 159Periodic AdjustmentsPeriodic AdjustmentsTable 7-1 Assembly Calibration InformationAssembly Where calibration data is located.Calibration

160 Chapter 7Periodic AdjustmentsPeriodic AdjustmentsEquipment Equipment for the Periodic Adjustments Programs• For the Timebase Reference Using a Cou

Chapter 7 161Periodic AdjustmentsPeriodic AdjustmentsEquipment Needed for the System Power Calibration ProgramFor the System Power Calibration program

162 Chapter 7Periodic AdjustmentsA Word About Storing Calibration FactorsA Word About Storing Calibration FactorsYou should understand the calibration

Chapter 7 163Periodic AdjustmentsRunning the Periodic, IQ, or Eb/No Calibration ProgramsRunning the Periodic, IQ, or Eb/No Calibration Programs1. Pres

164 Chapter 7Periodic AdjustmentsRunning the System Power Calibration ProgramRunning the System Power Calibration ProgramThis adjustment program is no

Chapter 7 165Periodic AdjustmentsPeriodic Calibration Menu DescriptionsPeriodic Calibration Menu DescriptionsThis section describes the adjustment pro

166 Chapter 7Periodic AdjustmentsPeriodic Calibration Menu DescriptionsAs an alternate method, you can select the option Timebase Reference Using a So

Chapter 7 167Periodic AdjustmentsPeriodic Calibration Menu DescriptionsFigure 7-4 Measurement (A2A33) Assembly Test PointsAudio Frequency Generator G

168 Chapter 7Periodic AdjustmentsPeriodic Calibration Menu DescriptionsExternal Modulation Path Gain The Audio Frequency Generator Gain program should

Chapter 1 17General InformationProduct MarkingsProduct MarkingsThe CE mark shows that the product complies with all relevant European legal Directives

Chapter 7 169Periodic AdjustmentsSetting the Timebase LatchesSetting the Timebase Latches The refs_DAC_coarse and ref_DAC_fine values adjust the frequ

170 Chapter 7Periodic AdjustmentsIQ Calibration Program DescriptionIQ Calibration Program DescriptionThe goal of IQ Calibration is to minimize the car

Chapter 7 171Periodic AdjustmentsEb/No Calibration Program DescriptionEb/No Calibration Program DescriptionThe Eb/No calibration is a CDMA loopback me

172 Chapter 7Periodic AdjustmentsEb/No Calibration Program Description

1738 Performance TestsThis chapter contains the performance test procedures for the Test Set. The tests in this chapter verify that the Test Set perfo

174 Chapter 8Performance TestsProcedure and EquipmentProcedure and EquipmentHow to Use the Performance Tests • Run the Performance Tests in Table 8-2,

Chapter 8 175Performance TestsProcedure and EquipmentTable 8-1 Required Test Equipment by ModelModel Number Model Name Test Number Mini-Circuits ZFL

176 Chapter 8Performance TestsProcedure and EquipmentTable 8-2 Performance Tests & Records LocationPerformance Test(in this chapter)Test Record i

Chapter 8 177Performance TestsProcedure and Equipment“CDMA Generator Modulation Accuracy Performance Test 26” on page 223 page 278“CDMA Analyzer Avera

178 Chapter 8Performance TestsRF Generator FM Distortion Performance Test 1RF Generator FM Distortion Performance Test 1The purpose of this test is to

18 Chapter 1General InformationCertificationCertificationAgilent Technologies certifies that this product met its published specifications at the time

Chapter 8 179Performance TestsRF Generator FM Distortion Performance Test 1ProcedureSteps 1, 2, and 3 in the following procedure apply to both of the

180 Chapter 8Performance TestsRF Generator FM Distortion Performance Test 15. On the measuring receiver:a. Set the frequency offset mode to enter and

Chapter 8 181Performance TestsRF Generator FM Accuracy Performance Test 2RF Generator FM Accuracy Performance Test 2The purpose of this test is to ver

182 Chapter 8Performance TestsRF Generator FM Accuracy Performance Test 2ProcedureSteps 1, 2, and 3 in the following procedure apply to both of the se

Chapter 8 183Performance TestsRF Generator FM Accuracy Performance Test 25. On the measuring receiver:a. Set the frequency offset mode to enter and en

184 Chapter 8Performance TestsRF Generator FM Flatness Performance Test 3RF Generator FM FlatnessPerformance Test 3The purpose of this test is to veri

Chapter 8 185Performance TestsRF Generator FM Flatness Performance Test 3ProcedureSteps 1, 2, and 3 in the following procedure apply to both of the se

186 Chapter 8Performance TestsRF Generator FM Flatness Performance Test 35. On the measuring receiver:a. Set the frequency offset mode to enter and en

Chapter 8 187Performance TestsRF Generator Residual FM Performance Test 4RF Generator Residual FMPerformance Test 4The purpose of this test is to veri

188 Chapter 8Performance TestsRF Generator Residual FM Performance Test 4Figure 8-8 Setup for Measurements to 2 GHz Using a Microwave ConverterProced

Chapter 1 19General InformationCertificationEuropean Contact: Your local Agilent Technologies and Service Office or Agilent Technologies GmbHDepartmen

Chapter 8 189Performance TestsRF Generator Residual FM Performance Test 4d. Set the low-pass filter to 30 kHz.4. On the Test Set:a. Press Preset.b. Se

190 Chapter 8Performance TestsRF Generator Level Accuracy Performance Test 5RF Generator Level AccuracyPerformance Test 5The purpose of this test is t

Chapter 8 191Performance TestsRF Generator Level Accuracy Performance Test 53. On the measuring receiver:a. Set the measurement mode to RF Power.b. Se

192 Chapter 8Performance TestsRF Generator Level Accuracy Performance Test 5Figure 8-10 Setup 2 for Measurements of 1700 and 2000 MHzProcedure 2Steps

Chapter 8 193Performance TestsRF Generator Level Accuracy Performance Test 57. On the signal generator set the level to +8 dBm or whatever level is su

194 Chapter 8Performance TestsRF Generator Level Accuracy Performance Test 5+ RF level measured at -80 dBm in step 8i– RF level measured at -80 dBm in

Chapter 8 195Performance TestsRF Generator Harmonics Spectral Purity Performance Test 6RF Generator Harmonics Spectral Purity Performance Test 6The pu

196 Chapter 8Performance TestsRF Generator Spurious Spectral Purity Performance Test 7RF Generator Spurious Spectral Purity Performance Test 7The purp

Chapter 8 197Performance TestsAF Generator AC Level Accuracy Performance Test 8AF Generator AC Level Accuracy Performance Test 8The purpose of this te

198 Chapter 8Performance TestsAF Generator DC Level Accuracy Performance Test 9AF Generator DC Level Accuracy Performance Test 9The purpose of this te

2 NoticeInformation contained in this document is subject to change without notice.All Rights Reserved. Reproduction, adaptation, or translation with

20 Chapter 1General InformationAgilent Technolgies Warranty Statement for Commercial ProductsAgilent Technolgies Warranty Statement for Commercial Pro

Chapter 8 199Performance TestsAF Generator Residual Distortion Performance Test 10AF Generator Residual Distortion Performance Test 10The purpose of t

200 Chapter 8Performance TestsAF Generator Frequency Accuracy Performance Test 11AF Generator Frequency AccuracyPerformance Test 11The purpose of this

Chapter 8 201Performance TestsAF Analyzer AC Level Accuracy Performance Test 12AF Analyzer AC Level AccuracyPerformance Test 12The purpose of this tes

202 Chapter 8Performance TestsAF Analyzer Residual Noise Performance Test 13AF Analyzer Residual NoisePerformance Test 13The purpose of this test is t

Chapter 8 203Performance TestsAF Analyzer Distortion and SINAD Accuracy Performance Test 14AF Analyzer Distortion and SINAD AccuracyPerformance Test 1

204 Chapter 8Performance TestsAF Analyzer DC Level Accuracy Performance Test 15AF Analyzer DC Level Accuracy Performance Test 15The purpose of this te

Chapter 8 205Performance TestsAF Analyzer Frequency Accuracy to 100 kHz Performance Test 16AF Analyzer Frequency Accuracy to 100 kHzPerformance Test 1

206 Chapter 8Performance TestsAF Analyzer Frequency Accuracy at 400 kHz Performance Test 17AF Analyzer Frequency Accuracy at 400 kHzPerformance Test 1

Chapter 8 207Performance TestsAF Analyzer Frequency Accuracy at 400 kHz Performance Test 17l. Set the Audio In Lo field to Gnd.3. Measure the audio fr

208 Chapter 8Performance TestsOscilloscope Amplitude Accuracy Performance Test 18Oscilloscope Amplitude AccuracyPerformance Test 18The purpose of this

Chapter 1 21General InformationAgilent Technolgies Warranty Statement for Commercial Products7. TO THE EXTENT ALLOWED BY LOCAL LAW, THE ABOVE WARRANTI

Chapter 8 209Performance TestsOscilloscope Amplitude Accuracy Performance Test 184. Set the frequency as shown in the Performance Test Record (PTR). F

210 Chapter 8Performance TestsRF Analyzer Level Accuracy Performance Test 19RF Analyzer Level AccuracyPerformance Test 19The purpose of this test is t

Chapter 8 211Performance TestsRF Analyzer FM Accuracy Performance Test 20RF Analyzer FM AccuracyPerformance Test 20The purpose of this test is to veri

212 Chapter 8Performance TestsRF Analyzer FM Accuracy Performance Test 203. On the audio analyzer:a. Reset the instrument.b. Set the output frequency

Chapter 8 213Performance TestsRF Analyzer FM Distortion Performance Test 21RF Analyzer FM DistortionPerformance Test 21The purpose of this test is to

214 Chapter 8Performance TestsRF Analyzer FM Distortion Performance Test 21b. Set the output frequency to 1 kHz. c. Set the measurement mode to distor

Chapter 8 215Performance TestsRF Analyzer FM Bandwidth Performance Test 22RF Analyzer FM BandwidthPerformance Test 22The purpose of this test is to ve

216 Chapter 8Performance TestsRF Analyzer FM Bandwidth Performance Test 22b. Set the output frequency to 1 kHz. 4. On the Test Set:a. Press Preset.b.

Chapter 8 217Performance TestsRF Analyzer Residual FM Performance Test 23RF Analyzer Residual FMPerformance Test 23The purpose of this test is to veri

218 Chapter 8Performance TestsRF Analyzer Residual FM Performance Test 233. Read the FM deviation (residual FM) and record the deviation read on the T

22 Chapter 1General InformationAssistanceAssistanceProduct maintenance agreements and other customer assistance agreements are available for Agilent T

Chapter 8 219Performance TestsSpectrum Analyzer Image Rejection Performance Test 24Spectrum Analyzer Image RejectionPerformance Test 24The purpose of

220 Chapter 8Performance TestsSpectrum Analyzer Image Rejection Performance Test 24d. Select the CDMA GENERATOR screen.e. Set the CW RF Path field to

Chapter 8 221Performance TestsCDMA Generator Amplitude Level Accuracy Performance Test 25CDMA Generator Amplitude Level AccuracyPerformance Test 25The

222 Chapter 8Performance TestsCDMA Generator Amplitude Level Accuracy Performance Test 254. On the Test Set:a. Press Preset.b. Select the CDMA GENERAT

Chapter 8 223Performance TestsCDMA Generator Modulation Accuracy Performance Test 26CDMA Generator Modulation AccuracyPerformance Test 26The purpose o

224 Chapter 8Performance TestsCDMA Generator Modulation Accuracy Performance Test 262. On the Vector Signal Analyzer:a. Press the Frequency key.b. Set

Chapter 8 225Performance TestsCDMA Analyzer Average Power Level Accuracy Performance Test 27CDMA Analyzer Average Power Level AccuracyPerformance Test

226 Chapter 8Performance TestsCDMA Analyzer Average Power Level Accuracy Performance Test 273. On the Test Set:a. Press Presetb. Set the Avg Pwr Units

Chapter 8 227Performance TestsCDMA Analyzer Channel Power Level Accuracy Performance Test 28CDMA Analyzer Channel Power Level AccuracyPerformance Test

228 Chapter 8Performance TestsCDMA Analyzer Channel Power Level Accuracy Performance Test 282. On the signal generator:a. Set the frequency to 881.32

Chapter 1 23General InformationPower CablesPower CablesTable 1-2 Power CablesPlug Type Plug Descriptionsmale/female Agilent Part # (cable & plug)

Chapter 8 229Performance TestsCDMA Analyzer Modulation Accuracy Performance Test 29CDMA Analyzer Modulation AccuracyPerformance Test 29The purpose of

230 Chapter 8Performance TestsCDMA Analyzer Modulation Accuracy Performance Test 29d. Ensure the CW RF path is set to IQ.e. Ensure the Output Port is

Chapter 8 231Performance TestsCDMA Analyzer Modulation Accuracy Performance Test 292. On the vector signal analyzer:a. Set the center frequency to 881

232 Chapter 8Performance TestsCDMA Analyzer Modulation Accuracy Performance Test 29

2339 Performance Test RecordsUse this chapter to record the results of the performance tests in Chapter 8 , “Performance Tests,” on page 173.

234 Chapter 9Performance Test RecordsRF Generator FM Distortion Performance Test 1 RecordRF Generator FM DistortionPerformance Test 1 RecordFor test p

Chapter 9 235Performance Test RecordsRF Generator FM Distortion Performance Test 1 Record−10 1000 6 1 0.50−10 1000 7 1 0.50−10 1000 8 1 0.50−10 1000 9

236 Chapter 9Performance Test RecordsRF Generator FM Accuracy Performance Test 2 RecordRF Generator FM AccuracyPerformance Test 2 RecordFor test proce

Chapter 9 237Performance Test RecordsRF Generator FM Accuracy Performance Test 2 Record-10 1000 3 1 2.845 3.155The following entries are for the 2 GHz

238 Chapter 9Performance Test RecordsRF Generator FM Flatness Performance Test 3 RecordRF Generator FM FlatnessPerformance Test 3 RecordFor test proce

24 Chapter 1General InformationPower CablesTajikistan, Thailand, Togo, Tunisia, Turkey, TurkmenistanUSSR, Ukraine, UzbekistanWestern Africa, Western S

Chapter 9 239Performance Test RecordsRF Generator FM Flatness Performance Test 3 Record−10 2000 50 0.2 −1 1−10 2000 50 2 −11 −10 2000 50 10 −1 1 −10 2

240 Chapter 9Performance Test RecordsRF Generator Residual FM Performance Test 4 RecordRF Generator Residual FM Performance Test 4 RecordFor test proc

Chapter 9 241Performance Test RecordsRF Generator Residual FM Performance Test 4 Record1001.5 1000 7The following entries are for the 2 GHz setup.201.

242 Chapter 9Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordRF Generator Level AccuracyPerformance Test 5 RecordFor test

Chapter 9 243Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordDUPLEX OUT 3 −120 −121.500 −118.500DUPLEX OUT 3 −125 −126.50

244 Chapter 9Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordDUPLEX OUT 687.5 −50 −51.500 −48.500DUPLEX OUT 687.5 −55 −56

Chapter 9 245Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordRF IN/OUT 687.5 −100 −101.000 −99.000RF IN/OUT 687.5 −105 −1

246 Chapter 9Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordDUPLEX OUT 1000 −120 −121.500 −118.500DUPLEX OUT 1000 −125 −

Chapter 9 247Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordDUPLEX OUT 1700 −45 −46.500 −43.500DUPLEX OUT 1700 −50 −51.5

248 Chapter 9Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordRF IN/OUT 1700 −95 −96.000 −94.000RF IN/OUT 1700 −100 −101.0

Chapter 1 25General InformationPower CablesTable 1-5 Power CablesPlug Type Plug Descriptions male/female Agilent Part #(cable & plug) Cable Desc

Chapter 9 249Performance Test RecordsRF Generator Level Accuracy Performance Test 5 RecordDUPLEX OUT 2000 −115 −116.500 −113.500DUPLEX OUT 2000 −120 −

250 Chapter 9Performance Test RecordsRF Generator Harmonics Spectral Purity Performance Test 6 RecordRF Generator Harmonics Spectral PurityPerformance

Chapter 9 251Performance Test RecordsRF Generator Harmonics Spectral Purity Performance Test 6 Record-10 600 3rd −25.000-10 700 2nd −25.000-10 700 3rd

252 Chapter 9Performance Test RecordsRF Generator Harmonics Spectral Purity Performance Test 6 Record-11 50 3rd −25.000−11 100 2nd −25.000−11 100 3rd

Chapter 9 253Performance Test RecordsRF Generator Harmonics Spectral Purity Performance Test 6 Record−12 2000 3rd −25.000Table 9-6 RF Generator Harmo

254 Chapter 9Performance Test RecordsRF Generator Spurious Spectral Purity Performance Test 7 RecordRF Generator Spurious Spectral PurityPerformance T

Chapter 9 255Performance Test RecordsRF Generator Spurious Spectral Purity Performance Test 7 Record5/4 Mixer −11 221 105 −45.0005/4 Mixer −11 227 135

256 Chapter 9Performance Test RecordsAF Generator AC Level Accuracy Performance Test 8 RecordAF Generator AC Level AccuracyPerformance Test 8 RecordFo

Chapter 9 257Performance Test RecordsAF Generator AC Level Accuracy Performance Test 8 Record2 100 75 70.000 80.000Table 9-8 AF Generator AC Level Ac

258 Chapter 9Performance Test RecordsAF Generator DC Level Accuracy Performance Test 9 RecordAF Generator DC Level AccuracyPerformance Test 9 RecordFo

26 Chapter 1General InformationPower CablesTable 1-6 Power CablesPlug Type Plug Descriptionsmale/femaleAgilent Part #(cable & plug) Cable Descri

Chapter 9 259Performance Test RecordsAF Generator Residual Distortion Performance Test 10 RecordAF Generator Residual DistortionPerformance Test 10 Re

260 Chapter 9Performance Test RecordsAF Generator Residual Distortion Performance Test 10 Record2 100 200 0.125Table 9-10 AF Generator Residual Disto

Chapter 9 261Performance Test RecordsAF Generator Frequency Accuracy Performance Test 11 RecordAF Generator Frequency AccuracyPerformance Test 11 Reco

262 Chapter 9Performance Test RecordsAF Analyzer AC Level Accuracy Performance Test 12 RecordAF Analyzer AC Level AccuracyPerformance Test 12 RecordFo

Chapter 9 263Performance Test RecordsAF Analyzer Residual Noise Performance Test 13 RecordAF Analyzer Residual NoisePerformance Test 13 RecordFor test

264 Chapter 9Performance Test RecordsAF Analyzer Distortion and SINAD Accuracy Performance Test 14 RecordAF Analyzer Distortion and SINAD AccuracyPerf

Chapter 9 265Performance Test RecordsAF Analyzer DC Level Accuracy Performance Test 15 RecordAF Analyzer DC Level AccuracyPerformance Test 15 RecordFo

266 Chapter 9Performance Test RecordsAF Analyzer Frequency Accuracy to 100 kHz Performance Test 16 RecordAF Analyzer Frequency Accuracy to 100 kHzPerf

Chapter 9 267Performance Test RecordsAF Analyzer Frequency Accuracy at 400 kHz Performance Test 17 RecordAF Analyzer Frequency Accuracy at 400 kHzPerf

268 Chapter 9Performance Test RecordsOscilloscope Amplitude Accuracy Performance Test 18 RecordOscilloscope Amplitude AccuracyPerformance Test 18 Reco

Chapter 1 27General InformationPower CablesLesothoMalawiSouth-West Africa (Namibia), SwazilandZambia, ZimbabweTable 1-9 Power CablesPlug Type (Male)

Chapter 9 269Performance Test RecordsRF Analyzer Level Accuracy Performance Test 19 RecordRF Analyzer Level AccuracyPerformance Test 19 RecordFor test

270 Chapter 9Performance Test RecordsRF Analyzer Level Accuracy Performance Test 19 Record1750 −0.531 0.5311775 −0.531 0.5311800−0.531 0.5311825−0.531

Chapter 9 271Performance Test RecordsRF Analyzer FM Accuracy Performance Test 20 RecordRF Analyzer FM AccuracyPerformance Test 20 RecordFor test proce

272 Chapter 9Performance Test RecordsRF Analyzer FM Distortion Performance Test 21 RecordRF Analyzer FM DistortionPerformance Test 21 RecordFor test p

Chapter 9 273Performance Test RecordsRF Analyzer FM Bandwidth Performance Test 22 RecordRF Analyzer FM BandwidthPerformance Test 22 RecordFor test pro

274 Chapter 9Performance Test RecordsRF Analyzer Residual FM Performance Test 23 RecordRF Analyzer Residual FMPerformance Test 23 RecordFor test proce

Chapter 9 275Performance Test RecordsSpectrum Analyzer Image Rejection Performance Test 24 RecordSpectrum Analyzer Image RejectionPerformance Test 24

276 Chapter 9Performance Test RecordsSpectrum Analyzer Image Rejection Performance Test 24 Record500.0 −70Table 9-25 Spectrum Analyzer Image Rejectio

Chapter 9 277Performance Test RecordsCDMA Generator Amplitude Level Accuracy Performance Test 25 RecordCDMA Generator Amplitude Level AccuracyPerforma

278 Chapter 9Performance Test RecordsCDMA Generator Modulation Accuracy Performance Test 26 RecordCDMA Generator Modulation AccuracyPerformance Test 2

28 Chapter 1General InformationPower CablesTable 1-10 Power CablesPlug Type Plug Descriptionsmale/femaleAgilent Part # (cable & plug) Cable Desc

Chapter 9 279Performance Test RecordsCDMA Analyzer Average Power Level Accuracy Performance Test 27 RecordCDMA Analyzer Average Power Level AccuracyPe

280 Chapter 9Performance Test RecordsCDMA Analyzer Channel Power Level Accuracy Performance Test 28 RecordCDMA Analyzer Channel Power Level AccuracyPe

Chapter 9 281Performance Test RecordsCDMA Analyzer Modulation Accuracy Performance Test 29 RecordCDMA Analyzer Modulation AccuracyPerformance Test 29

282 Chapter 9Performance Test RecordsCDMA Analyzer Modulation Accuracy Performance Test 29 Record

28310 Block Diagrams This chapter contains block diagrams and descriptions that focus on how the Test Set generates signals and makes measurements. It

284 Chapter 10Block DiagramsIntroductionIntroductionShown in Figure 10-1 on page 285 is a block-diagram overview of the Test Set. This chapter is orga

Chapter 10 285Block DiagramsIntroductionFigure 10-1 Test Set Overview Block DiagramOPP100 WAttenuatorSplitterOutputRF AnalyzerSquelchAUDIO INVolumeAu

286 Chapter 10Block DiagramsRF Input/Output SectionRF Input/Output SectionRF Power Measurement An RF power measurement can only be made by supplying a

Chapter 10 287Block DiagramsRF Input/Output SectionFigure 10-2 RF Input/Output Assembly, A2A130OVERPOWERPROTECT0-35 dBATTENPOWERDETECTOR5 dBSTEPSCONT

288 Chapter 10Block DiagramsRF Analyzer SectionRF Analyzer Section Frequency Conversion The A2A115 Downconverter, see Figure 10-3 on page 290, produce

Chapter 1 29General InformationPower CablesATTENTIONStatic Sensitive DevicesThis instrument was constructed in an ESD (electro-static discharge) prote

Chapter 10 289Block DiagramsRF Analyzer SectionSpectrum Analysis The LO on the A2A20 Spectrum Analyzer is swept across the span by the Controller, see

290 Chapter 10Block DiagramsRF Analyzer SectionFigure 10-3 Downconverter Assembly, A2A1151400 2200MHzTUNE 1TUNE 2TUNE 3ATTEN SETHB_RF_DIAGPINSLB_RF_D

Chapter 10 291Block DiagramsRF Analyzer SectionFigure 10-4 Receiver Synthesizer Assembly, A2A22OUT OFLOCKDETBUFFER27dB27dB1500MHz4GAIN CTRLO1MHzREF P

292 Chapter 10Block DiagramsRF Analyzer SectionFigure 10-5 Receiver Assembly, A2A21X15 kHz OR30 kHz BW10.7 MHzCFXFMDISCXX+14 dB4 dB PADIF1 SELECT+7 d

Chapter 10 293Block DiagramsRF Analyzer SectionFigure 10-6 Spectrum Analyzer Assembly, A2A20+2SYNTH20 MHzOUT OF LOCKCYCLE SLIPRUN3CONTROLIOCALENBWGAI

294 Chapter 10Block DiagramsAudio Analyzer SectionAudio Analyzer Section Input Level Control Switchable gain amplifiers on the A2A80 Audio Analyzer #1

Chapter 10 295Block DiagramsAudio Analyzer SectionFigure 10-7 Audio Analyzer 1, A2A80 50 Hz300 Hz300 Hz3 kHz15 kHzA3A2PEAKA3A1OPT0/20/40GAINAMPFIL ID

296 Chapter 10Block DiagramsAudio Analyzer SectionFigure 10-8 Audio Analyzer 2, A2A40I.O.CKDEN/I+12.4+5.1-12.4GNDBBA+PEAK-PEAKRMSDETRMSDETFROMAUDIOAL

Chapter 10 297Block DiagramsAudio Analyzer SectionFigure 10-9 Measurement Assembly, A2A33MEASUREMENT ASSY.DIGITALCONTROLSTATE-MACHINESCOPERAMA-DTRIGG

298 Chapter 10Block DiagramsAudio Analyzer SectionFigure 10-10 Signal Source & Analyzer Assembly, A2A32SIGNALING SOURCE & ANALYZER ASSEMBLY,

Contents 31. General InformationManufacturer's Declaration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 Chapter 1General InformationDocumentationDocumentationConventions Used in This ManualThe following conventions are used throughout this manual to h

Chapter 10 299Block DiagramsCDMA Analyzer SectionCDMA Analyzer SectionIF ConversionTo down convert the CDMA the signal, the 114.3 MHz IF is mixed with

300 Chapter 10Block DiagramsCDMA Analyzer SectionFigure 10-11 LO IF/IQ Modulator Assembly, A2A120XO7 MHz .2 dB15.6 MHz NOTCH3.6864MHz110.6136MHz8/9-.

Chapter 10 301Block DiagramsCDMA Analyzer SectionFigure 10-12 Receive DSP Assembly, A2A36RECEIVE DSP ASSEMBLY, A2A36SMB-10 TO +30 dBGAIN8 MHz12 BITAD

302 Chapter 10Block DiagramsCDMA Generator SectionCDMA Generator SectionData GenerationThe A2A34 Data Buffer, see Figure 10-14 on page 304, generates

Chapter 10 303Block DiagramsCDMA Generator SectionFigure 10-13 CDMA Generator/Reference Assembly, A2A100I_OFFSETQ_OFFSETQUADRATUREREVFWDPARALLELTOSER

304 Chapter 10Block DiagramsCDMA Generator SectionFigure 10-14 Data Buffer Assembly, A2A34DATABUFFER128Kx8SRAMBUFFDATABUFFERCONTROLSERIALI.O.MODNOISE

Chapter 10 305Block DiagramsAudio Generator SectionAudio Generator Section Waveform Generation The A2A32 Signal Source and Analyzer, see Figure 10-15

306 Chapter 10Block DiagramsAudio Generator SectionFigure 10-15 Signal Source & Analyzer Assembly, A2A32SIGNAL SOURCE & ANALYZER ASSEMBLY, A2

Chapter 10 307Block DiagramsAudio Generator SectionFigure 10-16 Modulation Distribution Assembly, A2A4420 kHz250 kHz150 kHzLFS2 LVL0MOD LVL0MOD LVL1(

308 Chapter 10Block DiagramsRF Generator SectionRF Generator Section Frequency Generation The A2A25 Signal Generator Synthesizer (Figure 10-17 on page

Chapter 1 31General InformationDocumentationChapter 6 , “Replaceable Parts,” on page 135.This chapter contains the replaceable assembly and component

Chapter 10 309Block DiagramsRF Generator SectionLevel Control The A2A44 Output Section assembly (Figure 10-19 on page 312) has an automatic-level-cont

310 Chapter 10Block DiagramsRF Generator SectionFigure 10-17 Signal Generator Synthesizer Assembly, A2A25SIGNAL GENERATOR SYNTHESIZER ASSEMBLY, A2A25

Chapter 10 311Block DiagramsRF Generator SectionFigure 10-18 IQ Modulator Assembly (Part of LO IF/IQ Modulator Assembly), A2A120I/Q MODULATOR, A2A120

312 Chapter 10Block DiagramsRF Generator SectionFigure 10-19 Output Section Assembly, A2A24OUTPUT SECTION ASSEMBLY, A2A243 dBPADAMP1 GHz BPF1 GHz ON/

Chapter 10 313Block DiagramsRF Generator SectionFigure 10-20 Upconverter Assembly, A2A1101710-1890 MHz1840-2000 MHz-10dBm+8dBm800-1000 MHzOfAMP+--..4

314 Chapter 10Block DiagramsReference/Regulator SectionReference/Regulator Section ReferenceAll frequencies are derived from a 10 MHz reference which

Chapter 10 315Block DiagramsReference/Regulator SectionFigure 10-21 Reference Assembly, A2A23REFERENCE ASSEMBLY, A2A23SYNTH+10/+50500 kHzHPF10 MHzREF

316 Chapter 10Block DiagramsReference/Regulator SectionFigure 10-22 Power Supply Regulator Assembly, A3A1J1 16-PIN RIBBON CONNECTORPOWER SUPPLY INPUT

Chapter 10 317Block DiagramsInstrument Control SectionInstrument Control SectionDigital ControlThe Test Set’s Digital Control is driven by two assembl

318 Chapter 10Block DiagramsInstrument Control SectionFigure 10-23 Memory/SBRC Assembly, A2A30NON-KYBD_RPG_BUSINTERRUPTSGATED_BUSCRT_MEAS_BUSCPU_BUSM

32 Chapter 1General InformationDocumentationWhich Document is Required?The following documents are part of the Agilent 8935 document set. Use the tabl

Chapter 10 319Block DiagramsInstrument Control SectionFigure 10-24 Controller Assembly, A2A31HW LEADSRST ERRDONECLOCKCLOCK &DIVIDER40MHzCPUMC6802

320 Chapter 10Block DiagramsInstrument Control Section

321A Error Messages

322 Appendix AError MessagesGeneral Information About Error MessagesGeneral Information About Error Messages Several types of messages may be displaye

Appendix A 323Error MessagesGeneral Information About Error MessagesThe following paragraphs give a brief description of each message format and direc

324 Appendix AError MessagesPower-Up Self-Test Error MessagesPower-Up Self-Test Error Messages The following message is typical of an error message yo

Appendix A 325Error MessagesDiagnostics MessagesDiagnostics Messages The following message may occur when initiating and running the Functional Diagno

326 Appendix AError MessagesCalibration Download Failure Error MessageCalibration Download Failure Error Message The following message occurs at power

Appendix A 327Error MessagesFlash ROM Firmware Upgrade Error MessagesFlash ROM Firmware Upgrade Error Messages Test Set’s firmware is stored in flash

328 Appendix AError MessagesFlash ROM Firmware Upgrade Error MessagesProgramming Voltage ErrorThe programming voltage is supplied to the flash ROMs fr

Chapter 1 33General InformationTrademark AcknowledgementsTrademark AcknowledgementsHewlett-Packard and HP are registered trademarks of Hewlett-Packa

Appendix A 329Error MessagesSelf-Calibration Error MessagesSelf-Calibration Error Messages Voltmeter Self Calibration Failed. Error = 223, 0x0000ffff

330 Appendix AError MessagesText Only Error MessagesText Only Error Messages Text only error messages are generally associated with manual operation o

Appendix A 331Error MessagesPositive Numbered Error MessagesPositive Numbered Error Messages Positive numbered error messages usually occur when tryin

332 Appendix AError MessagesIBASIC Error MessagesIBASIC Error Messages IBASIC Error Messages are associated with IBASIC language operation. IBASIC err

Appendix A 333Error MessagesGPIB Error MessagesGPIB Error Messages GPIB Error Messages are associated with GPIB operation. Refer to the Agilent 8935 S

334 Appendix AError MessagesNon-Recoverable Firmware ErrorNon-Recoverable Firmware Error This error occurs when the Test Set encounters a condition th

Appendix A 335Error MessagesNon-Recoverable Firmware ErrorUse the following procedure to re-enter the three calibration factors that were erased when

336 Appendix AError MessagesNon-Recoverable Firmware Error

IndexIndex 337Numerics6 kHz BPF. See Audio Filters (A2A80A1, A2A80A2)AA1. See Front Panel assembly (A1)A1A1. See Display assembly (A1A1)A1A2. See Key

338 Index Indexcalibration. See periodic adjustmentscalibration datahow to recover, 81, 158loss of, 81, 158storage locations, 159troubleshooting, 81,

34 Chapter 1General InformationTrademark Acknowledgements

IndexIndex 339"Voltmeter Self Calibration Failed...", 329diagnostic, 73general information, 322memory card checksum error, 327memory card e

340 Index IndexPpartsordering information, 46parts identificationAttenuator assembly (A2A200), 142Audio 1 assembly (A2A80), 141Audio 2 assembly (A2A40

IndexIndex 341power cables, 23power supplyLEDs, 52test points, 53Power Supply assembly (A3A2)disassembly, 127parts identification, 147power supply re

342 Index IndexGen Ref assembly (A2A100), 78manual procedures, 75Rcvr Synth (A2A22), 80Reference (A2A23), 80RF analyzer, 82RF source section, 84Sig Ge

352 Product InformationThis chapter contains general information about the Test Set and how to service it.

36 Chapter 2Product InformationInstrument DescriptionInstrument DescriptionThe Agilent 8935 CDMA Cellular/PCS Base Station Test Set is a one-box tool

Chapter 2 37Product InformationInstrument DescriptionThe user interface features pull down menus, one-key measurement execution, and fast measurement

38 Chapter 2Product InformationInstrument DescriptionInstrument AssembliesTable 2-1 and Figure 2-2 on page 39 describe the assemblies of the Agilent 8

Chapter 2 39Product InformationInstrument DescriptionA2A100 Generator Reference (Gen Ref)CDMA data generation and instrument reference master (with ex

4 ContentsAF, RF, & CDMA Diagnostics (Step 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68AF Diagnos

40 Chapter 2Product InformationInstrument DescriptionFigure 2-2 Overall Block DiagramOPP100 WAttenuatorSplitterOutputRF AnalyzerSquelchAUDIO INVolume

Chapter 2 41Product InformationUpgradesUpgradesHardware and Firmware Enhancements The hardware and firmware for this Test Set are being enhanced on a

42 Chapter 2Product InformationUpgrades4. Follow the instructions on the screen. 5. After the firmware is downloaded, be sure to cycle the Test Set’s

Chapter 2 43Product InformationUpgrades14.Enter the firmware code word: This code word is unit specific and can only be used with the unit for which i

44 Chapter 2Product InformationUpgradesFigure 2-3 SERVICE Screen5. Select the Latch field. 6. Move the cursor to rx_dsp_revision under the Choices: m

Chapter 2 45Product InformationRepair ProcessRepair Process WARNINGSHOCK HAZARD. NO OPERATOR SERVICEABLE PARTS INSIDE METALLIC ENCLOSURE. SERVICE BY Q

46 Chapter 2Product InformationManualsManualsOperation and servicing the Agilent 8935 CDMA Cellular/PCS Base Station Test Set are discussed in the fol

Chapter 2 47Product InformationService InformationService Information Factory SupportTroubleshooting assistance is available by e-mail (electronic mai

473 TroubleshootingThis chapter explains how to isolate a problem to the defective assembly. Troubleshooting uses the Test Set’s built-in diagnostics.

48 Chapter 3TroubleshootingHow to Troubleshoot the Test SetHow to Troubleshoot the Test Set Document the result of each step in case you need to conta

Contents 5Removing the External and Internal Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104External Covers. . .

Chapter 3 49TroubleshootingHow to Troubleshoot the Test SetFigure 3-2 Agilent 8935 Test Set Troubleshooting FlowchartStep 1. Power-up the Test Set to

50 Chapter 3TroubleshootingSelf-Test Diagnostics (Step 1)Self-Test Diagnostics (Step 1)On power-up the Test Set runs a self-test diagnostic test. Most

Chapter 3 51TroubleshootingSelf-Test Diagnostics (Step 1)To Start Troubleshooting1. Turn on the Test Set to automatically run the self test diagnostic

52 Chapter 3TroubleshootingSelf-Test Diagnostics (Step 1)If the Test Set Fails to Power-up1. Is the Test Set plugged in? Listen for fan operation. If

Chapter 3 53TroubleshootingSelf-Test Diagnostics (Step 1)Figure 3-4 Power Supply LEDs3. Check the LEDs on the A2A31 Controller assembly, see Figure 3

54 Chapter 3TroubleshootingSelf-Test Diagnostics (Step 1)Figure 3-6 VIDEO OUT SignalReading Front Panel or GPIB CodesFailure codes are listed in the

Chapter 3 55TroubleshootingSelf-Test Diagnostics (Step 1)Table 3-1 Return Values for Self-Test Diagnostic FailuresDetected FailureFailed AssemblyRetu

56 Chapter 3TroubleshootingSelf-Test Diagnostics (Step 1)Reading LED Codes When the self-test diagnostic reports a failure, more information about the

Chapter 3 57TroubleshootingSelf-Test Diagnostics (Step 1)The pattern generated by the LEDs can be interpreted as a binary-weighting code. The LED (lab

58 Chapter 3TroubleshootingSelf-Test Diagnostics (Step 1)Figure 3-7 Reading the Self-Test Diagnostic. The Internal LEDs0leds_1k1k1©k2k3k4k5ShiftShift

6 ContentsA Word About Storing Calibration Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162Running the Period

Chapter 3 59TroubleshootingSelf-Test Diagnostics (Step 1)Figure 3-8 First LED PatternsIf the first LED pattern displayed is...Then the failure is...M

60 Chapter 3TroubleshootingSelf-Test Diagnostics (Step 1)Figure 3-9 Non-blinking LED Codes For Serial Bus Communication FailureIf the second and thir

Chapter 3 61TroubleshootingSelf-Test Diagnostics (Step 1)Figure 3-10 Non-Blinking LED Codes for Miscellaneous Hardware FailureThen the failure is...A

62 Chapter 3TroubleshootingFunctional Diagnostics (Step 2)Functional Diagnostics (Step 2)The Functional Diagnostics (of the SERVICE MENU, shown in Fig

Chapter 3 63TroubleshootingFunctional Diagnostics (Step 2)For descriptions of the diagnostic options, refer to:• “Functional Diagnostics Menu” on page

64 Chapter 3TroubleshootingFunctional Diagnostics (Step 2)Configuring a PrinterOnly perform the following steps if you want to print test results to a

Chapter 3 65TroubleshootingFunctional Diagnostics (Step 2)Figure 3-11 SERVICE4 Program Screens12345 Exit Serv MenuAll Audio Tests=>Move the poi

66 Chapter 3TroubleshootingFunctional Diagnostics (Step 2)Functional Diagnostics MenuTo run the functional diagnostics, see “Accessing the Diagnostic

Chapter 3 67TroubleshootingFunctional Diagnostics (Step 2)Figure 3-12 Functional Diagnostics ScreenRF ModulesThe Average and TX power meters, RF anal

68 Chapter 3TroubleshootingAF, RF, & CDMA Diagnostics (Step 3)AF, RF, & CDMA Diagnostics (Step 3)NOTEThe diagnostics are intended to help in l

Contents 7AF Generator DC Level Accuracy Performance Test 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 3 69TroubleshootingAF, RF, & CDMA Diagnostics (Step 3)Figure 3-13 AF Diagnostics ScreenWhen a test fails, a diagnosis is given in three p

70 Chapter 3TroubleshootingAF, RF, & CDMA Diagnostics (Step 3)RF DiagnosticsThis program tests the RF functions of the following assemblies: • A2A

Chapter 3 71TroubleshootingAF, RF, & CDMA Diagnostics (Step 3)Figure 3-14 RF Diagnostics ScreenWhen a test fails, a diagnosis is given as: • Some

72 Chapter 3TroubleshootingAF, RF, & CDMA Diagnostics (Step 3)CDMA DiagnosticsThis program tests the local oscillators and the power supplies of t

Chapter 3 73TroubleshootingFrequently Encountered Diagnostic MessagesFrequently Encountered Diagnostic MessagesWarning/Error Messages Error messages t

74 Chapter 3TroubleshootingFrequently Encountered Diagnostic MessagesTime-outsCertain failures may cause a frequency or voltage reading to time out, t

Chapter 3 75TroubleshootingManual Troubleshooting Procedures (Step 4)Manual Troubleshooting Procedures (Step 4)If you are not sure a problem exists, y

76 Chapter 3TroubleshootingManual Troubleshooting Procedures (Step 4)A2A32 Signaling Source/AnalyzerAF Diagnostics: AudioFrequency Generators 1 and 2N

Chapter 3 77TroubleshootingManual Troubleshooting Procedures (Step 4)A2A20 Spectrum Analyzer RF Diagnostics: Spectrum AnalyzerSpectrum Analyzer YesA2A

78 Chapter 3TroubleshootingManual Troubleshooting Procedures (Step 4)Verify Test Set’s Reference PathOut-of-Lock (OOL) LEDsOut-of-lock (OOL) LEDs ligh

8 ContentsProcedure 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220

Chapter 3 79TroubleshootingManual Troubleshooting Procedures (Step 4)Figure 3-17 Simplified Reference Path Block DiagramIf the 10 MHz signal is prese

80 Chapter 3TroubleshootingManual Troubleshooting Procedures (Step 4)Reference, A2A23, Verification1. Turn the Test Set off and re-install the Referen

Chapter 3 81TroubleshootingManual Troubleshooting Procedures (Step 4)Swapping Known-Good AssembliesMost swapped assemblies which use calibration data

82 Chapter 3TroubleshootingManual Troubleshooting Procedures (Step 4)The assemblies that require a periodic calibration procedure are:• A2A100 CDMA Ge

Chapter 3 83TroubleshootingManual Troubleshooting Procedures (Step 4)Figure 3-18 Isolating the RF AnalyzerTo isolate an RF analyzer problem: 1. On th

84 Chapter 3TroubleshootingManual Troubleshooting Procedures (Step 4)3. Set the RF signal generator’s frequency to 100, then 500, 900, and 1800 MHz. F

Chapter 3 85TroubleshootingManual Troubleshooting Procedures (Step 4)To isolate the RF Source: 1. On the Test Set: a. Press Preset. b. Press the Inst

86 Chapter 3TroubleshootingService ScreenService ScreenA large number of latch and DAC settings used throughout the Test Set can also be read and/or s

Chapter 3 87TroubleshootingService Screen3. Rotate the knob and select SERVICE.The SERVICE screen appears. For field descriptions, see “Field Names an

88 Chapter 3TroubleshootingService ScreenLatch This field is used to manually select the circuit latches that control switch, DAC, and gain settings w

Contents 9AF Analyzer Distortion and SINAD AccuracyPerformance Test 14 Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 3 89TroubleshootingService ScreenThe first part of the names in the Choices menu relates to the assembly where the switch, DAC, or gain settin

90 Chapter 3TroubleshootingProduct VerificationProduct VerificationThis section provides steps for verifying the Test Set’s operation after a repair.

Chapter 3 91TroubleshootingProduct Verification2. Perform a wideband sweep:a. Press Preset then press Spec Anal to get the SPECTRUM ANALYZER screen.b.

92 Chapter 3TroubleshootingProduct Verification

934 Preventative MaintenanceThis chapter describes the preventative maintenance procedures recommended for the Test Set.

94 Chapter 4Preventative MaintenanceHardware MaintenanceHardware MaintenanceThe following procedures should be performed on a regular basis to insure

Chapter 4 95Preventative MaintenanceHardware Maintenance• Real Time ClockThe Test Set operates with a real-time clock that is user set. The real-time

96 Chapter 4Preventative MaintenanceHardware MaintenanceIntegrityThe Test Set has been designed for rugged conditions, however parts can become loose

Chapter 4 97Preventative MaintenanceMaintenance ProceduresMaintenance ProceduresCleaning the Air FilterNOTEThe cleaning interval is dependent on the e

98 Chapter 4Preventative MaintenanceMaintenance ProceduresTo change the AA batteries, use the following procedure:1. Switch power off and unplug the T