HP-150-2000-Manual 电路图.pdf

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1、HP Archive This vintage Hewlett Packard document was preserved and distributed by Pleasevisituson the web! Scanned by on-line curator: Tony Gerbic * For FREE Distribution Only * RadioFans.CN 收音机爱 好者资料库 DUAL CHANNEL DC AMPLIFIER MODEL 150-2000 1M-150-2000-1 INSTRUCTIONMANUAL HEWLETT_ PACKARD1I=SANBOR

2、N DIVISION RadioFans.CN 收音机爱 好者资料库 SAlffiORNDUALCllAJ.rnELDCAMPLIFIER MODEL150-2000 TABLEOFCONTENTS ParagraphPage 1 2 ) 4 5 6 ? 8 9 10 11 12 1) 14 FunctionalDescription TabulationofCharacteristics Operation:GeneralProcedures Operation:StartingtheDual ChannelDCAmplifier Operation:CalibratingtheDual C

3、hannelDCAmplifier Operation:RecordingwiththeDualChannelDCAmplifier I-iaintenance:AdjustingtheDAl4PHTGcontrol Maintenance:ChannelIdentification Maintenance:TubeData Maintenance:FuseData Maintenance:IndicatorData Maintenance:Plug-inCapacitorData j,iaintenance:SignalConnectorData Maintenance:NamePlateL

4、ocation 1 1 2 2 2 :3 J 4 4 4 5 5 5 5 i RadioFans.CN 收音机爱 好者资料库 SANBORlJDUALCF.AlHiEL.DCAMPLIFIER 140DEL150-2000 3.OPERATION:GEJERALPROCEDURES TherearethreebasicproceduresinoperatingtheDual ChannelDC Amplifier: STARTING: CALIBRATION: OPERATION: Thisincludesthewarmupperiodandconnectingthe signal.Seepa

5、ragraph4. Anaccuraterecordingdependsonpropercalibration. Thestandardprocedureisgiven.Seeparagraph5. Afterstartingandcalibrating,theoperationis straight-forward.Seeparagraph6. 4.OPERATION:STARTIHGTHEDUALCRAN1-JELDCAiiPLIFIER 1.SeteachRANGEswitchtoOFFandeachP01RswitchtoON.Allow 5minuteswarmupforbestst

6、ability. 2.ConnecteachsignalwithAmphenol2-contactplug,SanbornHo. 10B2-1i.Terminal1isthesignalterminal,andterminal2is ground.Notethatthesignalsourceimpedance mustbesmallin comparisonwith1.15megohmsifthesourceimpedanceistobe neglected. 5.OPERATION:CALIBRATIFGTliEDUALCHA;mELDCAHPLIFIER 1.Afterwarmup,ma

7、keavailableanaccuratelymeasuredd-ccalibration voltagebetweentwovoltsand200voltsasconvenient,from asource havingthesame imnedanceasthesignalstoberecorded,ifthis impedanceisnotnegligiblewithrespectto1.15megohms. 2.SettheRANGEVOLTS/CMswitchtoapproximatelyhalfthecalibration voltage. 3.Applythecalibratio

8、nvoltage,andadjusttheGAD:controlfora deflectionrepresentedbytheformula: Deflection=bratiovoltage Esethng2 SANBORNDUALCHANNELDCAMfLIFJER MODEL150-2000 6.OPERATIOT.RECORDINGWITHTHEDUALCHANNELDCAMPLIFIER 1.Afterwarmup andcalibration,settheRANGEswitchtoOFFandset thestylusbase-linewiththePOSITIONcontrol.

9、Ifthesignal hasbothpositiveandnegativevalues,setthestylusnearmid- scale.Ifthesignalisofonepolarityonly,setthestylusnear oneedgeoftherecordingchart. 2.NowturntheRANGEswitchtotherightuntilthesignalgivesa reasonablestylusdeflection,andstarttheRecorderinmotion. SettheSTYLUSTEMPcontrolforthebestdefinitio

10、n.Normallya slightincreaseintemperatureimprovesthedefinitionwhenrecording highfrequencies.WritingtheRANGEsettingandpaperspeedon thechartavoidsconfusionwheninterpretingtherecordlateron. 7.MAINTENANCE:ADJUSTINGTHEDAMPINGCONTROL Thisadjustmentmayberequiredafterextendedoperation,oraftera tubeorothercomp

11、onentisplaced. 1.Applyasquarevoltagepulsetotheinputwithavoltagesupply, potentiometer,andswitchcircuit. 2.AdjustthepotentiometerandtheRANGEswitchforonecentimeter ofdeflectionwhenthesignalpulsecircuitisclosed. 3.AdjusttheDAMPINGcontrolforthebestpossiblesquarewave on therecording. 3 ,I SANBORNDUALCHANN

12、ELDCAMPLIFIER MODEL150-2000 I , II 11.ltfAINTENANCE:INDICATORDATA SymbolFunction I 2001NE-51Indicatesthatprimarypowerisap11ed totheDual ChannelDCAmplifier. SanbornNo. 30B-l 12.MAINTENANCE:PLUG-INCAPACITORDATA Symbol FunctionSanbornNo. 572-217 572-217 572-217 SectionA:filterfor+360volt platesupplytoV

13、2003, v2004. SectionB:filterfor+360volt platesupplytov2006, V2007. SectionC:notused. 20/20/10Mfd. 450voltinsu- latedcan. 20/20/10Mfd. 450voltinsu- latedcan. SectionsA andC:filterfor -3.5voltsupplytoPOSITION controls. SectionB:filterfor+270volt platesupplytoV2002, V2005. 20/20/10MfdSectionsA,B,andC:f

14、ilterfor 450voltinsu-270voltsupplytocathodereturn latedcan.ofV2002, V2005. C2005, A,BC C2007 A,B, C c2006 A, B,e , II II 13.MAINTENANCE:SIGNALCONNECTORDATA DescriptionSanbornNo. Amphenol2-ccntctpug,mateswithINPUTsocket.10B2-lFW 14.MAINTENANCE:NAMEPLATELCCATION Incaseofmaintenanceproblemsbeyondthesco

15、peofthismanual,contact I II I II SanbornCompanyoryournearestIndustrialRepresentative.Givetheserial numberonthenameplateofyourDualChannelDCAmplifier.Thisnameplate isontherearchassiswall,andisvisiblebyopeningthereardoorofthe cabinet. 5 I I SANBORNCOMPANYREPLACEMENTPARTSLIST 175WYMANSTREETRPL-150-2000-

16、2 WALTHAM54,MASS. I TEL:TW.,.4-6300SANBORNDUALCHANNELDCAMPLIFIER MARCH9,1960MODEL150-2000 IHESISTORS I SYMBOLVALUE(ohms)TOL(f%)WATTSSANBORNNO.REMARKS R2001 .1.JK53053A-132J wireWound I I R2002 1.5 30 53A132JWireWound R200315K515lD-153JComposition I R20041.2Meg 5 1 50A-125JComposition 2 R200510K5 1 )

17、OA-W3J Composition I 2 R200610K 5 .1 500-I03JComposition 2 I R20071.2Me5 1 50A-125JComposition I 2 R20081.2Meg 5 1 500-125JComposition 2 I F2CC912Meg5 1 50A-126J Composition 2 I R2010400 5 1053A-401JWireWound R2011400 5 1053A-40lJ.JireWound I R201227K 5 15lD-273JComposition R201368K515lD-683JComposi

18、tion I R201447K 5 15lD-473JComposition R2015 .7K5 1 50A-472JComposition I 2 .ii2016.7K 5 1 500-472JComposition 2 j .:017.1Meg 5 252C-104JComposition 1 R20181.2Meg 5 2 50A-125JComposition I 201910K5 1 50A-I03JComposition 2 R202010K 5 1 50A-103JComposition 2 R20211.2Meg 5 1 500-J2.:JComposition 2 R202

19、21.2Meg 5 1 500-125JComposition 2 P-l I II I SANBORNDUALCHANNELDCAlvJPLIFIER MODEL1S0-2000 Eul:n:CALPARTSLIST-SCBEMATIClSO-2000-ClSUB. S RESISTORS(Cont.) SYMBOL.JUE(Ohms)-TOL.(f%)WATTSSANBORNNO.REMARKS R202312Tier; 5 1 5C.t.-126JComposition 2 R20242.SMeg1 1 SOJ-2S5GComposition 2 R202SloSMeg1 1 SOJ-1

20、55GComposition 2 R2026.SMeg1 .1- 50H-S04GComposition 4 R2027.25Meg1 1 SOB-254GComposition 4 R2028.15Meg1 1 SOH-ls4GComposttiun 4 R202950K1 1 SOH-S03GComposition 4 R203050K1 .1- 50H-503G(Iomposition 4 R20312.SMeg1 1 SOJ-255GComposition 2 R20321.5Meg1 1 SOJ-15SGCOll.positioll 2 R2033.5Meg1 1 50H-S04GC

21、omposition 4 I , R2034.25Meg1 1 50H-2S4GComposition 4 R2035 1 SOH-1S4GComposition.1SMeg1 4 R203650K1 1 SOH-503GComposition 4 50K1 1 SOH-503GComposition 4 R2038.25leg20 1 S6A-39Hi-torque. 2 LinearTaper R203910K20 1 56A-37LinearTaper 2 R20402.5Meg202 56.A-S6LinearTaper R20411.5Meg 5 1 SOAB-155JComposi

22、tion 2 R20421.5Meg 5 1 SOAB-155JComposition 2 R20432.5.Meg202S6A-S6LinearToper P-2 SANBORNDUAl.CuAlJ:r.r-tJ.DClUvlFLIFIER MODEL150-2000 ;LECTR1CALPARJSLIST-SCHEI1ATICl50-20GO-ClRUB.5 I I I I I I I ! r I I I I , r ! I SYlffiOL - v2003 v2004 v2005 v2006 V2007 E2001 F2001 12001 J200l J2002 J2003 J2004

23、J2005 J2006 J2007 P2002 P2003 P2004 P2005 TUBES(cont:l DESCR1PrION Type6V6GT Type6V6GT Type6SL7GT,Aged,Testedg,J,O-?OCO-ClSUB.5 MISCELLANEOUS(cant.) SYMOOL S2001 S2002 S2003 T2001 T2002 Y2001 C200l DESCRIPIION SPSTToggle Switch l-Deck,8-PositionWafer SWitch l-Deck,8-PositionWafer Switch RegulatedPow

24、erTransformer FilamentTransformer SeleniumRectifier .879-.909mfdCapacitor(Red Dot) 0847- .878midCapacitor(Yellowt) .816 - .846mfdCapacitor(White Dot) SANBORNNO. - 62D-15A 62B-16 62B-16 66B-23 66B-5 16B-7 5B-44A, 8B-44B 8B-44c TheseCapacitorsaresuppliedwith66B-23Transformers.Whenusedfor Replacementth

25、ecolorcode onthecapacitormust matchcolorcode on matingtransformer. P-5 MAINTENANCEMANUAL for SANBORNDUALCHANNELDCAMPLIFIER MODEL150-2000 -CONTENTS- SystemTroubleCheck DUALCHANNELDCAMPLIFIER Page 1 TroubleShootingChart2 PeriodicMaintenance5 CheckChart6 VoltageandResistanceChart7 ComponentLocationonRe

26、sistorBoards8 SANBORNCOMPANY Waltham,Mass. November,1957 MM-150-2000-l SYSTEMTROUBLECHECK SANBORN150SYSTEM RECORDER DUALCHANNELDCAMPLIFIER Savetimebyfirstfindingwhetthefaultis,byfollowingthesestepsinsequenct 1.ISTHEREACTUALLYAFAULT? Checktheoperatorstechniue-trythemeasurementsagain-seethattheope! to

27、risnttryingsomethinghesystemisntbuiltfor-checklinevoltageand frequency. 2.ISTHEFAULTINTHEGALVANOMETER? PowerOFF:Checkthatthereisnoroughnesswhen movingwritingarmwithfinge PowerOFF:Measuregalvanometercoilresistanceatgalvanometercap.Shouldb. invicinityof3200 ohms. PowerON:Measurevoltageacrossgalvanomet

28、ercoilatthegalvanometercap. Checkthat32voltschangeinthisvoltagegivesapproximately10 millimetersofstylusdeflection(12.5divisionsonnarrowPermapap 3.ISTHEFAULTINTHEDUALCHANNELDCAMPLIFIER? Connecta lowtestvoltageintoonechanneloftheinstrumentandthenintothe otherchannel.(Voltagefrom a1.5voltflashlightbatt

29、eryissuggested.)If eitherchannelisdefective,andtheotherchannelisnormal,checktubesinth; defectivechannel.Ifbothchannelsaredefectiveordead,checkrectifierY20C andthefuseF200l. 4.DIDTHESESTEPS POINTOUTTHETROUBLE? Bynow, youshouldhavemade astartatlocalizingthesourceoftrouble.If not,thetroublemaybesystem-

30、wide,ormaybeimpossibletotrackdownbythi method.attodo:usetheTroubleShootingChartand CheckCharts. -1 - TROUBLESHOOTINGCHART SANBORNDUALCHANNELDCAMPLIFIER MODEL150-2000 ThischartassumesthatthefaulthasbeentracedtotheDual ChannelDCAmplifier. SYMPTOM Fuseblowseachtime instrumentturnedon. Doesnotwork;tubes

31、do notlight Tubeslight,butnooper- ationallchannels No,operationonechannel only,otherchannelnormal .,.hO POSITIONcontrolwillnot movestylusoverentire recordingchannel POSSIBLECAUSE Defectivetube Defectivecondenser Defectivetransformer Wrongsizefuse Blownfuse Looseconnectors Defectivetube Looseconnecto

32、rs Defectivetube Looseconnector Openresistor Defectivetube Defectivecondenser Matchedresistorpairs outoftolerance Nonegativebiasvoltage -2 - CHECK Check V200l Checkplug-incondensers C2006, C2007,alsoC200l CheckT200l,T2002 Mustbe1.25ASlo-Blo CheckF200l Checkthatpowerconnectors P2002,P2Q03atchassistop

33、 andreararefirmlyinplaCE Check V200l Checkthatsignalcircuit connectorsintoJ2004and J2005arefirmlyinplace Checktubesindefective channel Checkthatsignalcircuitco nectorintoJ2004orJ2005 isfirmlyinplace Check R200lorR2002, R20l0, R2011 Checktubesindefective channel(s),includingrecti- fierV200l CheckC20n

34、 Checkmatchedresistors Ir I SYMPTOM Stylusstaysatoneside ofrecordingchannelwhile instrumenton Erraticstylusmotion Lowsensitivity Non-linear POSSIBLECAUSE Defectivetube Leakycondenser Signaloverload Intermittenttube Intermittentrectifier Loosetube,plug-in,or connector Erraticsignal Intermittentcircui

35、t element Defectivetube Improperoperation Defectivetube Nonegativebiasvoltage Micacondenser Low1inevo1tage CHECK Checktubesindefective channel(s) Checkallmicacondensers Ifstylusreturnstonormal withATTENUATORatOFF, troubleprobablycomingin fromoutsidetheinstrument Checkalltubes Check Y2001 Pressintigh

36、tly Checksignalwithmeterand oscilloscope Checkwithmeterandoscil- loscopeforintermittent circuitelement Checkalltubes Checkoperatingtechnique Checkalltubes Check Y2001, R2003,C2007A, Checkmicacondensers-lea ageacrossorthroughthem canaltergridbias Checkthatlinevoltageis withinlimits Defectivecircuitel

37、ement,Quickcheck:measurefor givingincorrectcircuitapproximately1130voltsat voltages6V6gridsforquickcheckc properoperatingvoltages Signal -3 - Signalhavinghigh-frequenc componentsorfastpulsesn notshowontherecording, butstilldrivetubesinto non-linearregion II SYMPTOM Drift Unsatisfactoryfrequency ortr

38、ansient(overshoot) response,orcannotad- justdampingcontrol(s) POSSIBLECAUSE Driftingtube MaybedriftofPerma- paper Driftingsignal Linevoltageorfre- quency Inadequatewarmup Driftinhigh-frequency signalcomponent Defectivetube Improperadjustment Leakage CHECK Checkalltubes SeeRecorderTroubleShootin Char

39、t Checkwithmeterandoscillo scope.Seeifbaselinedril withATTENUATORatOFF Driftingwidelyoroutside limitscancausedrift.ChE withmeter Warmupatleastthestated fiveminutesrequired High-frequencycomponentsa. overloadthegridsandstill notshowontherecordasa signal.Thiscausesanon- linearity,whichcanappear asadri

40、ftifthehigh-fre- quencycomponentdrifts.Che withmeterandoscilloscope Checkalltubes Re-adjust Leakageacross(orthrough) R2009-C2004orR2023-C2010. Ifdirty,cleanwithcarbon tetrachlorideorequivalent Unsatisfactorycontrol oftracedensity SeetheRecorderTroubleShootingChart Noise,microphonics,or hum Defective

41、tube Defectivecomponent Noisysignal Looseinputplugorcon- nector Openshieldconnection, orgroundloop - 4 - Checkalltubes Checkcircuitwithoscillo- scopetofindsourceofinte: ference ChecksignalwithoscillosCOf Seeifbaselinebecomesclear withATTENUATORatOFF. Pluginfirmly Checkinputcircuitcabling Quickcheck:

42、Foraquickcheckonoperation,setPOSITIONtomid-scaleandmeasure fromgrid(terminalS)togroundofeach6V6stage.Shouldbeapproxi mately130volts.toindicatenormaloperationofentirechannel. (Testat115voltline.)ThenmeasurefromterminalSofone6V6to terminalSoftheother6V6inthesamechannel;shouldnotbemore thana fewvolts,t

43、oshownormaloperation. PERIODICMAINTENANCE SANBORNDUALCHANNELDCAMPLIFIER MODEL150-2000 Thisisrecommendedevery500hoursofoperation,orevery3to6months,asdeter- minedbyexperience. 1.Replacethe6V6GTtubesineachchannel- V2003, V2004, V2006, V2007.Use acom- mercialtubereplacement,oruseSanbornreplacementno.68A

44、-4. 2.Replacethe5R4GYtubeinthepowersupply- V2001.Use acommercialtuberepla( ment,oruseSanbornreplacementno.68A-43. 3.Inspectabove-chassisforloosetube,controls,plug-incomponents,andconnector 4.Inspectbelow-chassisforlooseresistors,condensers,terminalboards,etc. 5.Lookforevidenceofoverheatedcomponents

45、-checkvisuallyandbysmellforburr. insulation,transformers,resistors,condensers,etc. 6.Lookforfrayedorburned-awayinsulation. 7.Checkfordents,panelscratches,corrosion,andothermechanicalabuse. 8.Blowoutdustanddirtwithanairhose. 9.GothroughthestepsoftheCheckChart. - 5 - CHECKCHARt 1.Warmup Dual ChannelDC

46、Amplifieratleastfiveminutes.Linevoltageat115 volts.Performfollowingtestsoneachchanneloftheinstrument. 2.CheckthatPOSITIONcontrolwillmovestylusacrossentirerecordingchannel. Setstylus20divisionsabovebottomofchart. 3.Insertsignalfrom1.5voltflashlightbatteryandseriesswitch.SetRANGEswit toIVOLT/CMandGAIN

47、controlfullright.Checkforatleast17mm.stylusdeflf tion(21divisionswithnarrow-channelPermapaper).SetGAINfor15divisions deflection. 4.IntermittentlyoperateswitchandadjustDAMPINGcontrolforbestpossiblesquar waveontherecording.Leadingedgeofsquarewaveshouldhavefastrise,with noovershoot. 5.Insertsignalfroma

48、udiooscillator,withDual ChannelDCAmplifierchannelset to10divisionspeak-to-peakrecording.Responseshouldbeasshownoncharacte isticcurveinInstructionManual. - 6 - Ii I I IIII I11 II Ii II II I Ii I I I I IIII j VOLTAGE AND RESISTANCE CHART SANBORNDUAL CHANNEL DC AMPLIFIER MODEL 150-2000 i 1 ! I , TUBE12

49、3I456789 . 1200130K* 3.5K3.5K 30K* (4to6)(6to4) +38SV800VAC 800VAC+385V V2002700K 1.6M3K850K1.6M 2.9VAC2.9VAC +130V.22V-3.5V +130V.22V V20033.4VAC90K* 90K*1M4SK* 6K 3.7VAC3.1VAC 3.4VAC +360V+360V+130V . V2004. 100K* lOOK*1.2M4SK* 6K 3.5VAC 3.9VAC3.9VAC3.4VAC +360V+360V+130V ._- V200S1M1.4M 3K1M1.4M 2VAC2.9VAC2.9VAC +130V.12V-3.5V+130V .12V - V20064SKlOOK 100K*l.3M4SK* 6K 3.4VAC 3.6VAC3.6VAC2VAC3.4VAC +360V+360V+130V V20074SK100K* 100K*1.4M 4SK*6K 3.4VAC 3.2VAC3.2VAC3.4VAC +360V+360V+130V - _. Readingstakenwith H. P. Model 4lOBVTVM. A1.5K30Wresis