HP 8662A Service manual

OPERATINGANDSERVICEMANUAL
MODIFICATION
MODEL8662A
OPTIONH08
SYNTHESIZEDSIGNALGENERATOR
HowtoUseThisInsert
ThisManualModificationInsertshouldbeusedinconjunctionwiththeHP8662AOperatingand
ServiceManual,VolumeI (HPPartNumber08662-90061)andVolumeII(HPPartNumber
08662-90062),bothprintedFebruary1982.MakethechangesdescribedinthisInserttothe
indicatedSectionsoftheOperatingandServiceManuals.
ApplicableSerialNumbers
ThisManualModificationInsertappliestoinstrumentswithserialnumberprefixesgreaterthanor
equalto2413A.
UpdatestothisManualInsert
Periodically,changesaremadetotheManualInserttocorrecterrorsintheoriginalprintingandto
includeOptionimprovements.Correctionsareindicatedbya markattheright-handedgeofthe
modifiedtext.Themarkusediskeyedtothedatethecorrectionsareadded(foundonthiscover
belowtheissuedate).
ManualModificationInsertIssuedJune1984
HPPartNumber08662-92038
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page 1 of11
SECTIONI.GENERALINFORMATION
OptionH08tothe8662ASynthesizedSignalGeneratorprovidesaninternal60MHzRFSignal
fromtheLODriversectionoftheinstrumentoutputa rear-panelconnector. Thisoptioncannotbe
orderedwithOption001orOptionC02becausetherear-panelMODINPUTconnectorlocationis
utilizedforthe60MHzOUTPUT.
Onpage1-9,inTable1-2,SupplementalCharacteristics,addthefollowingunder
FREQUENCY:
60MHzOUTPUT(highimpedancesource):
60MHzsinewavesignalavailablefroma rear-panelconnectorata nominallevelof
>0dBminto50ohms.Donotapplyreversedc,acorRFpowertothisinput.
SECTIONIII.OPERATION
Onpage 3-1, addthefollowingunderparagraph3-2,OperatingCharacteristics:
TheHPModel8662AOptionH08maybeoperatedasa standardinstrumentwhen
OptionH08isnotinuse.Nosignificantdegradationofstandardspecificationswill
resultfromuseinthisconfiguration.
Onpage3-17,replacepartofFigure3-7,RearPanelFeatures,withthepartialFigure3-7A,
RearPanelFeatures,onpage5 ofthisInsert.
SECTIONIV.PERFORMANCETESTS
OptionH08tothe8662Adoesnotaffectanyperformancetests.
SECTIONV.ADJUSTMENTS
Certainadjustments,suchas5-8,the40MHzCRYSTALFILTERADJUSTMENT,5-9,the
160MHzand640eMHzBAND-PASSFILTERADJUSTMENT,land5-10,the480 MHzBAND
PASSFILTERADJUSTMENT,directlyaffecttheRFlevelofthe60MHzOUTPUTsignal.
Therefore,usecautionwhenmakinganyadjustmentsonOptionH08,andverifythe60MHzRF
levelaftermakinganysuchadjustments.
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page2 of11
SECTIONVI.REPLACEABLEPARTS
InTable6-3,ReplaceableParts,addordeletethefollowingpartsasnoted:
Add
or
Del
Page
No.
Refer.Desig. HPPart
Number Qty Description
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
A
D
A
D
A
6-64
6-64
6-65
6-65
6-66
6-66
6-66
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-93
6-101
6-101
6-101
6-101
6-101
6-101
A6A2
A6A2
A6A2J3
08662-60114
08662-62029
A6A2MP10
A6A2W1
All
A11MP1
A11MP2
A11MP3
A11MP4
A11A1
A11A1C1
A11A1C2
A11A1C3
A11A1C4
A11A1J1
A11A1J2
A11A1L1
A11A1L2
A11A1R1
MP109
MP109
MP112
MP112
MP127
MP127
0361-1076
08662-22030
2190-0124
2950-0078
08662-62030
11710-80001
11710-80002
2190-0124
2950-0078
08662-62031
0610-3879
0160-4527
0160-4389
0160-4527
1250-1220
1250-1220
9100-2250
9100-2250
0698-7228
08662-00028
08662-02028
08662-00216
08862-02030
0590-1011
2950-0035
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
1
2
4
LODriveAssembly
LODriveAssembly,OptionH08
NSR,P/OA6A2W1
Eyelet,RollFlange,0.047"OD, 0.093"L
Cable,Semi-rigid(IncludesA6A2J3)
Lockwasher,#10,0.195"ID,(forA6A2J3)
Hexnut,10-32thd, 0.067"thick, (forA6A2J3)
60MHzLowPassFilterAssembly
Cover,Bottom
Can,LPF
Lockwasher,#10, 0.195"ID
Hexnut,10-32thd, 0.067"thick
60MHzLowPassFilterBrd.Assy.
Cap-Fxd 0.01 uF+/-20%lOOVdcCer
Cap-Fxd56pF +1-5% 200VdcCer
Cap-FxdlOOpF +1-5% 200VdcCer
Cap-Fxd56pF +1-5% 200VdcCer
RF-conn,SMCmale,P.C.,50ohm
RF-conn,SMCmale,P.C.,50ohm
InductorRF-CH-MLD180nH10%
InductorRF-CH-MLD180nH10%
Res-Fxd,464ohm,1%, 0.05W
Deflector,Air
Deflector,Air,OptionH08
RearSupportPanel,BNC
RearSupportPanel, BNC,OptH08
KurlNut,15/32-32thd, 0.12"thk
Hexnut,Dbl-Chm,15/32-32thd
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page3 of11
Table6-3.ReplaceableParts(Cont'd):
Add
or
Del
D
A
A
A
A
Page
No.
6-101
6-101
6-103
6-103
6-103
Refer.
Desig.
MP128
MP128
W102
W103
W103J1
HPPart
Number
2190-0068
2190-0102
08662-62027
08662-62028
1250-0870
Qty
2
4
1
1
1
Description
Washer-Lk,IntlT 1/2",0.505"ID
Lockwasher,IntlT 15/32",0.472"ID
CableAssy.(957),flex., 50ohm
CableAssy.(956),flex., 50ohm
RF-conn,BNCfern,50ohm
SECTIONVIII.SERVICE
Onpage8-203,intable8-202,FailuresAssociatedWithExternalconnectors,incorporatethe
following: Connector
60MHzOUTPUT
TroubleshootAssembly(ServiceSheet)
A6A2(21)
All(21A)
Onpage 8-205 (ServiceSheetA),inFigure8-201,OverallBlockDiagram,replacesectionC
withthefigureonpage6 ofthisInsert.
Onpage8-215(ServiceSheetC),inFigure8-206,ReferenceSectionBlockDiagram,
replacepartofthediagramshowingA6A3andA6A2withthefigureonpage7 ofthisInsert.
Onpage 8-408 (ServiceSheet21),addthefollowingafterthelastparagraph:
DescriptionofOptionH08Modification
TheA6A2LODriverAssemblyhasbeenmodifiedbytheinstallationofa semi-rigidcable
connectedbetweenpin2 ofUlA andanaddedsubminiaturecoaxialconnector(partofthe
semi-rigidcable)ontheshieldedcoverfortheassembly.ThisSMCconnectorislabeled"J3
OUTPUT,60MHz".Fromthisconnectora flexible coaxialcable(W102)routesthe60
MHzsignaltotheAl 1 60MHzLowPassFilterAssemblymountedontheairdeflectorat
therearoftheinstrument.
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page4 of11
Fromthe60MHzLowPassFilterAssemblya flexiblecoaxialcable(WO13)routesthe60
MHzsignaltoa BNCconnectormountedontherearpanel.Also, a jumperwirehasbeen
installedbetweenA6A2U2pin10andA6A2U2 pin15(ground)toenabledividerA6A2U1
atalltimes.
Alsoonpage 8-408 (ServiceSheet21),addFigure8-410A,PictorialViewofModified
A6A2Assembly,asshownonpage8 ofthisInsert.
Onpage 8-409 (ServiceSheet21),inFigure8-411,A6A2ReferenceSectionLODrive
BlockDiagrams,replacethediagramatthebottomofthepagewiththediagramonpage9 ofthis
Insert.
Alsoonpage8-409,inFigure8-412,A6A2ReferenceSectionLODriveSchematic,replace
partofFigure8-412withthepartialschematiconpage10ofthisInsert.
Afterpage8-409,addpage8-409A,(ServiceSheet 21A) containingFigure8-412A,theAll
60MHzLowPassFilterSchematic,shownonpage11ofthisInsert.
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page5 of11
640KHzOUTPUT.AKCfnultconnector
tnp«dmc«IsapproximatelySOonm.Output
lavellafcuttrthan0 dBoInto50oh»a.
2-AXISBLAMCIMC/MARKER.BHCfeaalaconnector
Load1«pedant*shouldb*«eleatt1 koha.
Provider• 250u».TTL-HlghpulaeattS«
□c«liuiln|ofeachfrequencychangefarblanking
a*veptdisplay(to elininjtedisplayofsvitch-
logcrjtiKi«ntc>.Goestom.-lovduring(•-
nalndaroffrequencystep.Coax LO A nonlnal
-5V(Intarnally»dJuita»Ubetween-2and-ftV)
forZ-Axl«Intensityaariiar.
. BLECTMMCFRirjUESCYCONTROL.SSQ faoal^)
earns*etor.Provide!inputfoea voltaeeI
froa-»10Vdcto-Ml Vdc«htchproduce*a /"
Blnlaumof1 Mivariationinthu|0MHz(
outputoftheinternalretetenca.J
FEULIFT.BNCfenaleconnector.ControlLed
fcy SingleSn«Bpnode.rn,-Hi|hfjrpun-up;
TTt-'Low(orpin-down.
AUXFKINPUT.BNCfaaalaconnector.Input
InpcdiTKeliapproximately5 kohasDCcoupl
Foraorcdetaili,see JUR* 3-fiA.
FIGURE3-7A.RearPanelFeatures
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOption H08
08662-92038
Page 6 of11
uE5iIII™L!j O--
j EXT~INPUT I v_
INTERNAL
10 MHZ
REFERENCE
OSCILLATOR
0
m
FREQUENCY
DOUBLERS,
DIVIDERS,
AMDMIXERS
_y'"OUTPUT"1
"N [_10MHZ__]
A6X3J4
AfolOJ?
A6A10J4
A6A1J3
A8A5J2
A8A5J3
A8A5J4
AUA1J2
A2FL1J2
REFERENCESECTION
C2p>
OvenVoltage
-- • fromPowerSupply
<ir>-
-C5T5>-
<1>
<2>
<Z>
-C93Z)-
W8
"©-
W31
W32
-$-
W9
"3~
W40
-9-
W37
-s-
W38
W103
vis
j'320-640MHz,Af-20MHz
~Vt0
Reference Sum Loop
-ri20MHz toFM Loop
S
20MHz (CH)
CO FMSum Loop
10 or 20MHz
CoReference Sum Loop
-{ 10MHz toN Loop
S
lOMKz
toModulationSection
10MHz
toFractional-NLoop
—( ri9lSiil2SlEk?j
./520MHz
\to OutputSection
PART OF SERVICESHEET A.
PART OF FIGURE 8-201,
OverallBlockDiagram.
Copyright1984 - HEWLETT-PACKARDCOMPANY - SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page7 of11
j— «m
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LUO C
^C\JO
LTi | -r-
co +->
LU(J
OUJ1)
>■ r>
UJM y
t/3U-.E
<D
u_u.s^
oo <u
I—I— <L>
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599 U.S.A.

8662AOptionH08
08662-92038
Page8 of11
A6A2ASSEMBLY
t A J A Jl
ol2J
JUMPERWIRESON
CIRUITSIDE.
OFBOARD
FIGURE8-410A.PictorialView of Modified
A6A2Assembly.
Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page9 of11
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Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page10of11
85SS
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1—>CA
3=:>
—I"H
oo
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n>
1— 3
oo
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CuCD
(/)O
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i—irn
CD;o
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Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

8662AOptionH08
08662-92038
Page11of11
-o-a
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Copyright1984- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAve,LibertyLake,WA99019-9599U.S.A.

OPERATINGANDSERVICEMANUAL
MODIFICATION
MODEL8662A
OPTIONHll
SYNTHESIZEDSIGNALGENERATOR
HowtoUseThisInsert
ThisManualModificationInsertshouldbeusedinconjunctionwiththe8662AOperatingand
ServiceManuals,Volumes 1 and2,HPPartNumber08662-90069(printedMay1990).Makethe
changesdescribedinthisInserttotheindicatedsectionsoftheOperatingandServiceManuals.
ApplicableSerialNumbers
ThisManualModificationInsertappliestoinstrumentswithserialnumberprefixesgreaterthanor
equalto2612A.
UpdatestothisManualInsert
Periodically,changesaremadetotheManualInserttocorrecterrorsintheoriginalprintingandto
includeOptionimprovements.Correctionsareindicatedbya markattheright-handedgeofthe
modifiedtext.Themarkusediskeyedtothedatecorrectionsareadded(foundonthiscover
belowtheissuedate).
ManualModificationInsertRewrittenMay1986
HPPartNumber08662-92019UpdatedOctober1995
Copyright1986- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page 1 of20
SECTIONI.GENERALINFORMATION
OptionHI 1 forthe8662ASynthesizedSignalGeneratorprovidesfrontpanelandHP-IB
selectionofeithertheinternal10MHzReferenceOscillatororanexternal10MHzReference
Source.Internalbattery-poweredmemorywillretainthelastmodeselectedeveniflinepoweris
removed.Thisoptionalsodeletestheprovisionforanexternal5 MHzReferenceandchangesthe
AuxiliaryFMfeaturesothatitcannotbecontrolledbyspecialfunctions.
Onpage1-9,inTable1-2,SupplementalCharacteristics(1of 2), underFREQUENCY,
incorporatethefollowing:
EXTERNAL:OptionHI 1 deletestheexternal5 MHzinputcapabilityontherearpanel
connector,butretains10MHzoperation.
Onpage1-10,inTable1-2,SupplementalCharacteristics(2of 2), underEXTERNAL
MODULATION,addthefollowing:
AUXILIARYFMINPUT:OptionHI 1 hasbeenproducedsothatthisfunctionis
hardwiredinthe"Offposition.Aninternaljumperwiremustbemovedinordertoturnthisinput
"On".
SECTIONIII.OPERATION
Onpage3-5,replaceSection3-9,ReferenceSelection,withthefollowing:
The8662AOptionHI 1 deletesthethreereferencesignalswitchesnormallylocatedon
therearpanel.TheINPUTconnectorcanaccepta 10MHzreferencesignaltobeusedinsteadof
thegenerator'sinternalreference.
Theinternalreferenceisa 10MHzsignalwithanagingrateof <5 x 10"'°/dayafter
warm-up(typicallyafter24hours).SelectingSpecialFunction00,SpecialFunction50,orthe
HP-IBClearMessagewillconfiguretheinstrumenttousethisinternalreference.
Touseanexternal10MHzsource,selectSpecialFunction 51. Thiswilldisablethe
internalreferenceandenabletheINPUTconnectorfora 10MHzsignalat>+7dBm.
TheOUTPUTconnectorprovidesa 10MHzsignal(>+7dBm)derivedfromtheselected
reference.TheOUTPUTconnectordoesnotrequireanyswitching.
Onpage3-17,replacepartofFigure3-7,RearPanelFeatures,withthepartialfigureon
page10ofthisInsert.
Onpage3-39,inTable3-7,ResponsetoClearMessage,incorporatethefollowing:
Parameter
10MHzReferenceSource
Condition
Internal10MHzReference
Copyright1986~ HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page2 of20
Onpage3-43,inSection3-53,ReadingControlSettings,underModulation,changethe
tableentriesandfootnoteunderStep2 asfollows:
Source
Code
128
128andabove
ModulationModes
Internal
(Rate)
--
External
(Coupling)
None
Dependsonsourcecodeofothermode
selected
FOOTNOTE
ASourceCodeof128willenableSpecialFunction51whichwillselecttheexternal10MHz
referencesource.A SourceCodeabove128willenabletheexternal10MHzreferencesourceanda
ModulationModefromthetableabove.Tointerpreta SourceCodeabove128,firstsubtract128,
theninterprettheremainingvaluefromtheabovetableentries.
Onpage3-49,changepartofTable3-10,SpecialFunctionCodes,toreadasfollows:
SpecialFunction
AUXFMOff
AUXFMOn
EXT10MHzOff
EXT 10 MHzOn
Code
None
None
50
51
Onpage3-68,Modulation,ExternalSource,underprocedure,replacethelasttwo
paragraphswiththefollowing:
OptionHI 1 deletesSpecialFunctionselectionoftheAUXFMINPUT.Theinstrument
isshippedwiththeAUXFMINPUThardwiredinthe"OFF"position.OptionHI 1 retainsthe
AUXFMINPUTcapability,butmustberewiredinternallyforan"ON"position.Therefore,all
standardspecificationsandoperationproceduresapplyotherthanasnotedabove.
NOTE
The above applies to all Special Function and HP-IB references concerning
the AUX FM INPUT throughout the Operating and Service Manualsfor the
8662A.
WARNING
Reconfiguration ofjumper wires as described below should be performed only
by service trainedpersonnel who are aware of the possible hazards involved
(for example, fire and electrical shock). Remove the power cord before
removing the instrument covers.
Toenabletherear panelAUXFMconnector, a jumperwireontheA4A9Modulation
DriveAssemblymustbeconnectedfrompin3 ofA4A9U7Atopin14ofA4A9U6A.SeeFigure
8-537A onpage18ofthisInsertandP/OFigure 8-539 onpage20ofthisInsert.
Copyright1986- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page3 of20
Todisabletherearpanelconnector,thejumperwiremustbeconnectedfrompin11of
A4A9U7Atopin3 ofA4A9U7A.SeeFigure8-537Aonpage18ofthisInsertandP/OFigure
8-539 onpage19ofthisInsert.
Onpage3-69,inComments(Cont'd),underGreaterStability,replacetheNOTEwiththe
following: NOTE
AM + FM is possible, with reduced stability, by using a second external source
for FM and the rearpanel AUX FM INPUT (enabled with a jumper wire on the
A4A9 board).
Onpage3-70,inComments,replacetheparagraphstartingwith"DCCouplingwith
PhaseLock"andthenextparagraphwiththefollowing:
DCCOUPLINGWITHPHASE LOCK.ForexternalcontrolofFMpeakdeviation(for
signalsenteringtherear panelAUXFMINPUT):
*EnabletheAUXFMconnectorbyperformingthechangesdescribedinthe
precedingsectiontitledProcedureonpage3-68.
Onpage3-74,Modulation,Mixed,deletethelastlineinDescription:(SpecialFunction
51).
Onpage3-74,underProcedure,replacethelineslabeledAUXFMONandOFFwiththe
following:
AUXFMON:ThejumperontheA4A9boardmustbeconnectedfrompin14of
A4A9U6Atopin3 ofA4A9U7A.SeeFigure8-537Aonpage18ofthisInsertandP/OFigure
8-539 onpage20ofthisInsert.
AUXFMOFF:ThejumperontheA4A9boardmustbeconnectedfrompin3 of
A4A9U7Atopin11ofA4A9U7A.SeeFigure8-537Aonpage18ofthisInsertandP/OFigure
8-539 onpage19ofthisInsert.
Onpage3-74,changethesecondexampleasfollows:
EnabletheRearpanelAUXFMconnector.
Local
HP-IBProgramCodes
ConnectjumperonA4A9boardasdescribedin
procedureabove.
NotApplicableforOptionHI 1
Onpage3-80,Table3-11,SpecialFunction,modifythetableasshownbelow:
Function
AuxiliaryFMOff
AuxiliaryFMOn
External10MHzReferenceOff
External10MHzReferenceOn
Codes
None
None
50
51
Copyright1986- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page4 of20
Onpage3-80,Table3-12,Initializing;ResponsetoSpecialFunction00,addthe
followingtotheendoftheTable:
Parameter
10MHzReferenceSource
Condition
Internal10MHzReference
Onpage3-82,Table3-14,SpecialFunctionStatusCodes,changeentry51toreadas
follows:
51 External10MHzReferenceEnabled
SECTIONIV.PERFORMANCETESTS
Onpage 4-23, inSection 4-11, INTERNALTIMEBASEAGINGTEST,changestep1
ofthePROCEDUREtoreadasfollows:
1. PresstheBlueKey,SPECIAL,and00toinitializetheinstrumentandtoselect
theinternal10MHzreferenceoscillator.
SECTIONV.ADJUSTMENTS
Onpage5-9,inParagraph5-7,10MHzREFERENCEOSCILLATORADJUSTMENT,
changestep4 underPROCEDUREtoreadasfollows:
4. PresstheBlueKey,Special,and00toselecttheinternal10MHzreference
oscillator.
Copyright1986- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page5 of20
SECTIONVI.REPLACEABLEPARTS
InTable6-3,ReplaceableParts,addordeletethefollowingpartsasnoted:
Table6-3.ReplaceableParts
Addor
Delete
D
A
D
A
D
A
A
A
A
A
A
A
iiI
PageNo.
6-15
6-50
6-91
6-91
i
i
6-91
6-91
6-91
6-91
6-91
Refer.
Design.
A2A10
A4A9
A8A4
A8A4C7
A8A4C8
A8A4C9
A8A4C11
A8A4C12
A8A4C14
A8A4C15
A8A4C16
A8A4C17
A8A4C18
A8A4C19
A8A4C20
A8A4C21
A8A4C22
A8A4C23
A8A4C24
A8A4C28
A8A4CR3
A8A4CR4
A8A4J1
A8A4J2
A8A4K2
A8A4L4
A8A4MP1
A8A4MP2
HPPart
Number
08662-60172
08662-62020
08662-60183
08662-62022
08662-60306
08662-62036
0160-3879
0180-2617
0160-3879
0180-0197
0160-3879
0160-4031
0160-4588
0160-4389
0160-3879
0180-2617
0160-3879
0160-3879
0160-3879
0160-3879
0160-3879
0160-3879
0180-2205
1901-0518
1901-0159
1250-0083
2190-0016
2950-0001
1250-0083
2190-0016
2950-0001
0490-1034
9100-2260
08662-00025
2200-0103
6960-0069
Qty
l
l
l
l
l
l
10
2
1
1
1
1
1
1
1
2
2
2
1
1
2
2
1|
Description
DCUMOTHERBOARD
DCUMOTHERBOARD(OptionHI1)
MODULATIONDRIVEASSY
MODULATIONDRIVEASSY(OptionHI1)
REFERENCEBUFFERASSY.(Deleteall
referencedesignationsunderA8A4)
REFERENCEBUFFERASSY(OptionHI1)
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD 6.8UF +-10%35VDCTA
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD2.2UF+-10%20VDCTA
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD330PF+-5%lOOVDCCER
CAP-FXD270PF+-5%lOOVDCCER
CAP-FXD100PF +-5PF 200VDCCER
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD 6.8UF +-10%35VDCTA
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD O.OIUF +-20%lOOVDCCER
CAP-FXD 0.33UF +-10%35VDCTA
DIODE-SchottkySMSig
DIODE- PWRRECT400V750MADO-41
CONN-RFBNCF SGL-HOLE-FR50OHM
WSHR-LKINTLT 3/8-in .377-IN-ID
NUT-HEX-DBL-CHAM 3/8-32-THD .094-TK
CONN-RFBNCF SGL-HOLE-FR50OHM
WSHR-LKINTLT 3/8-in .377-IN-ID
NUT-HEX-DBL-CHAM 3/8-32-THD .094-TK
RELAY2C12VDC-COIL.5A350VDC
INDUCTORRF-CH-MLD1.8UH10%
SUPPORT,BNCBRACKET
SCREW-MACH4-40.25-IN-LGPAN-HD-PZ
PLUG-HOLECNCL-HDFOR . 125-D NYL|
Copyright1986- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page6 of20
Table6-3.ReplaceableParts
Addor
Del
A
"
A
"
"
"
"
"
11
"
"
"
"
"
"
M
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
A
"
"
n
Page
No.
6-91
"
6-91
"
"
tt
"
"
6-92
"
"
11
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
11
"
"
M
"
"
"
6-92
"
"
M
Refer.
Desig.
A8A4Q1
A8A4Q2
A8A4R7
A8A4R8
A8A4R11
A8A4R13
A8A4R14
A8A4R15
A8A4R16
A8A4R17
A8A4R18
A8A4R19
A8A4R20
A8A4R21
A8A4R22
A8A4R23
A8A4R24
A8A4R25
A8A4R26
A8A4R27
A8A4R28
A8A4R29
A8A4R30
A8A4R31
A8A4R32
A8A4R34
A8A4R35
A8A4R36
A8A4R37
A8A4R38
A8A4R39
A8A4R40
A8A4R42
A8A4R101
A8A4R102
A8A4R103
A8A4T2
A8A4T3
A8A4T4
A8A4T5
HPPart
Number
1854-0477
1854-0247
0757-0346
0698-3438
0698-7243
0698-7239
0698-7198
0698-3437
0698-7251
0698-7251
0698-7260
0698-7266
0698-7284
0698-7244
0698-7277
0698-7198
0698-7198
0698-7198
0698-7198
0698-7243
0698-7265
0698-7265
0698-7253
0698-7253
0698-7236
0698-7206
0698-7204
0698-7215
0698-7204
0698-7215
0698-7215
0698-7215
0757-1090
0698-7257
8159-0005
8159-0005
08662-80003
08662-80003
08662-80013
08662-80003
Qty
l
1
1
l
2
1
5
1
2
1
1
1
1
1
2
2
1
1
2
4
1
1
2
4
4
Description
TRANSNPN2N2222ASITO-18PD=500MW
TRANSNPNSITO-39PD=1WFT=800MHz
RES-FXD101%.125WFTC=0+-100
RES-FXD1471%.125WFTC=0+-100
RES-FXD1.96K1%.05WF TC=0+-100
RES-FXD1.33K1%.05WFTC=0+-100
RES-FXD26.11%.05WF TC=0+-100
RES-FXD1311%.125WFTC=0+-100
RES-FXD 4.22K 1%.05WF TC=0+-100
RES-FXD 4.22K 1%.05WF TC=0+-100
RES-FXD10K1%.05WFTC=0+-100
RES-FXD17.8K1%.05WFTC=0+-100
RES-FXD100K1%,05WFTC=0+-100
RES-FXD2.15K1%.05WFTC=0+-100
RES-FXD51.IK1%.05WFTC=0+-100
RES-FXD26.11%.05WF TC=0+-100
RES-FXD26.11%.05WF TC=0+-100
RES-FXD26.11%.05W FTC=0+-100
RES-FXD26.1 1 % .05WF TC=0+-100
RES-FXD1.96K1%.05WFTC=0+-100
RES-FXD16.2K1%.05WF TC=0+-100
RES-FXD16.2K1%.05WF TC=0+-100
RES-FXD5.1IK1%.05WFTC=0+-100
RES-FXD 5.11K1%.05WFTC=0+-100
RES-FXDIK1%.05WF TC=0+-100
RES-FXD56.21%.05WF TC=0+-100
RES-FXD46.41%.05WF TC=0+-100
RES-FXD1331%.05WFTC=0+-100
RES-FXD46.41%.05WF TC=0+-100
RES-FXD1331%.05WFTC=0+-100
RES-FXD1331%.05WFTC=0+-100
RES-FXD1331%.05WFTC=0+-100
RES-FXD2611%.5WF TC=0+-100
RES-FXD7.5K1%.05WFETC=0+-100
RES-ZEROOHMS22AWGLEADDIA
RES-ZEROOHMS22AWGLEADDIA
TRANSFORMER14-TRN
TRANSFORMER14-TRN
TRANSFORMER12-TRN
TRANSFORMER14-TRN
Copyright1986- HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.

8662AOptionHI 1
08662-92019
Page7 of20
Table6-3.ReplaceableParts
Addor
Delete
A
A
A
A
D
A
D
A
A
PageNo.
6-92
6-92
6-92
6-92
6-92
6-103
Refer.
Desig.
A8A4T6
A8A4T7
A8A4T8
A8A4T9
A8A4U1
A8A4U2
A8A4Wl
A8A4W2
A8C101
A8MP9
A8MP9
A8MP10
A8MP10
W101
HPPart
Number
08662-80003
08662-80013
08662-80013
08662-80013
1826-0138
1826-0275
8150-0033
8150-0033
0160-3036
08662-20021
08662-22028
08662-20323
08662-22035
08662-62043
Qty
l
l
A/R
A/R
1
1
1
1
1
1
Description
TRANSFORMER14-TRN
TRANSFORMER12-TRN
TRANSFORMER12-TRN
TRANSFORMER12-TRN
ICCOMPARATORGPQUAD14-DIP-PPKG
ICV RGLTR-FXD-POS11.5/12.5VTO-92
WIRE22AWGWHITE
WIRE22AWGWHITE
CAP-FEEDTHRU-5000PF+80-20%200V
CASTINGCOVER,10MHz
CASTINGCOVER,10MHz(OptionHI1)
CASTINGBASE,10MHz
CASTINGBASE,10MHz(OptionHI1)
24AWGWIREw/SINGLECONTACTCONN
Copyright1986~ HEWLETT-PACKARDCOMPANY- SpokaneDivision
24001E.MissionAvenue,LibertyLake,WA99019-9599U.S.A.