日立V-1050示波器說明書

1、.Model V-1050FOSCILLOSCOPEOPERATION MANUAL 編譯：胡梓國Hitachi Denshi.Ltd目 錄1 Specifications 我規(guī)格 12 Composition 組成73 preventive Maintenance 預(yù)防性維修84 Calibration 校準(zhǔn)1041 Calibration Interval 校準(zhǔn)間隔.1042 Test Equipment Required 測試所需設(shè)備1043 preliminary procedure 初步程序1044 preliminary Control Settings初步控制設(shè)置.1245 In

2、itial Starting procedure 初始啟動程序12power Supply System 供電系統(tǒng)13Display 顯示14Horizontal System 橫向系統(tǒng)16Vertical System 垂直系統(tǒng)20Triggering System & XY Operation 觸發(fā)系統(tǒng)和XY操作24Calibrator 校準(zhǔn)285 Disassembly Illustration 拆卸.插圖296 Circuit Board Illustration (with Adjustment Locations) 電路板圖（與調(diào)整位置）317 Diagram 圖39 (1) Sc

3、hematic Diagram (Vertical preamplifier) 示意圖（垂直前置放大器）41 (2) Schematic Diagram (Vertical Output Amplifier & Channel Switch) 示意圖（垂直輸出放大器與通道開關(guān)）43Schematic Diagram (Trigger 12) 示意圖（觸發(fā)12）45 Schematic Diagram (Trigger 22) 示意圖（觸發(fā)22） 47Schematic Diagram (Sweep Generator) 示意圖（掃描發(fā)生器）49Schematic Diagram (Calibr

4、ator & Front panel Controls原理圖（校準(zhǔn)與前面板控制.51Schematic Diagram (Horizontal Amplifier， ZAxis Amplifier & High Voltage Circuits)（水平Z軸放大器，示意圖高電壓放大器電路）53Schematic Diagram (Power Supply) 示意圖（供電）55Schematic Diagram (Connectors) 示意圖（連接器）578. parts list 零件清單59Electrical Replaceable parts List 電器更換零件清單59Mechani

5、cal Replaceable parts list 機械更換零件清單1181 SPECIFICATIONS 規(guī)格 CRT 陰極射線管Type 型號Hitachi 150BNB3l rectangular mesh type tube With 20 KV -日立150BNB3l矩形網(wǎng)格型管20KVacceleration potential and metal backed phosphor 加速電位及金屬磷Screen type 屏幕類型P3l phosphor Standard p31熒光粉標(biāo)準(zhǔn)Usefu1 Screen area 有效屏幕面積8 X 10 div (div ： 10mm

6、) 810（分度值：10毫米）Graticule 基線Internal graticule With Centimeter divisions and 2mm 內(nèi)部網(wǎng)格劃分2毫米Subdivisions along the centeral axis 10 and 90 lines are 分支沿中心軸10%和90%線indicated illumination Continuously Variable照明連續(xù)變量表示Focussing 聚焦possible (With automatic focus correction circuit) 可能的（自動聚焦校正電路）Trace rotati

7、on present 前置微調(diào)旋鈕Scale illumination Variable 規(guī)模照明變量Brightness adjustment possible 亮度調(diào)整可能翻譯結(jié)果重試抱歉，系統(tǒng)響應(yīng)超時，請稍后再試l 支持中文、英文免費在線翻譯l 支持網(wǎng)頁翻譯，在輸入框輸入網(wǎng)頁地址即可l 提供一鍵清空、復(fù)制功能、支持雙語對照查看，使您體驗更加流暢l ZAXIS Z軸l DCcoupled， positivegoing Signal decreases intensity： 5Vppl 正向信號耦合，降低強度：5vp-pl Signal causes noticeable modulatio

8、n at normal intensity：信號導(dǎo)致明顯的調(diào)節(jié)在正常強度：l DC to 35MHZ直流3.5MHz。l Input impedance Approximately 15 k Ohm 輸入阻抗約15歐姆l Maximum input voltage 20 V (DC + AC peak) 最大輸入電壓20伏（直流+交流峰值）l Coupling DC 直流耦合lVERTICAL DEFLECTION (2 Identical Channels) 垂直偏轉(zhuǎn)（2通道）Bandwidth and Rise time 帶寬與上升時間DC to at 1eaSt 100MHZ and r

9、ise time 3.5nS Or less，直流到至少100 MHz和上升時間3.5ns或更少， DC to at leaSt 5MHZ and riSe time 70nS or less at magni fier extends， Lower -3dB point，AC coupling 10Hz or less直流至少5兆赫和上升時間70ns或更少的延伸率，低點-3dB，交流耦合10 Hz或更少。DefleCtiOn Factor 偏轉(zhuǎn)因子5mVdiv to 5Vdiv in 10 calibrated Steps， l-2-5 Sequence5mv分區(qū)分區(qū)10個校準(zhǔn)步驟，l-2-

10、5序列。Uncalibrated continuous control extends deflection factor 標(biāo)定連續(xù)控制延伸偏轉(zhuǎn)因子to at least 12.5 volts per division in the 5 voltsdiv position 至少12.5伏特每部5伏特格位置。10 magnifier increases sensitivity of each deflect- tion factor setting to 500 Vdiv10放大鏡的敏感性增加每個轉(zhuǎn)移化因子設(shè)置500V格。Accuracy 精度2 (+10 to +35)4 (0 to +50)

11、Additional error for magnifier l 附加誤差放大 1%DiSplay modes 顯示模式CH1，CH2 (normal or invert)， Alternate， Chopped (250kHz rate)，Added Input ImpedanceCH1，CH 2（正?；虻怪茫?，互生，切碎（250 kHz速率），添加輸入阻抗lM Ohm 1.5 in parallel with 28pF 3pF 長征1.5%歐姆平行28pf3pf。Maximum Input voltage 最大輸入電壓250V (DC + AC peak) or 500Vp-p AC at

12、 1KHz or less250 V（直流+交流峰值）或500vp-p交流在1 kHz以內(nèi)Input coupling 輸入耦合ACGNDDCDelay Line 延遲線permitS viewing 1eading edge of display waveform 允許查看1eading邊緣顯示波形。Four-trace Display (TRIG VIEW) four-trace顯示（觸發(fā)視圖）Display simultaneously channel 1， Channel 2， Channel 3 同時顯示通道1，通道2，通道3(A EXT TRIG Signal) Channel 4

13、 (B EXT TRIG signal)（一個外部觸發(fā)信號），4頻道（二外部觸發(fā)信號）。The deflection factor of Channel 3 and Channel 4 iS 偏轉(zhuǎn)因子3通道和4通道approximately 200 mVdiv 約200毫伏分格。Sensitivjty INT： ll 30 of screen area sensitivjty詮釋：我我30%屏幕面積EXT： 02 Vdiv 30 分機：0.2伏分區(qū)30%Frequency band EXT： DC to 70 MHz (-3dB) 頻段內(nèi)線：直流70兆赫（-3分貝）position CH3：

14、Horizontal 100 graticule line of 位置控制：臥式100%標(biāo)線screen ldiv (trigger level knob is Set at the center) 屏幕ldiv（觸發(fā)電平旋鈕設(shè)置在中心）。CH4： Horizontal 0 graticule line of CH4：水平0%標(biāo)線screen 1div 1div屏幕。翻譯結(jié)果重試抱歉，系統(tǒng)響應(yīng)超時，請稍后再試l 支持中文、英文免費在線翻譯l 支持網(wǎng)頁翻譯，在輸入框輸入網(wǎng)頁地址即可l 提供一鍵清空、復(fù)制功能、支持雙語對照查看，使您體驗更加流暢l HORIZONTAL DEFLECTIONTime

15、 BaSe A 20nSdiv to 05Sdiv in 23 calibrated Steps， l-2-5 Sequence Uncalibrated continuous control extendS deflection factor to at leaSt 1.25 Seconds per division in the 0.5 Secdiv position，x10 mag extends fastest sweep rate to 2nSdivTime BaSe B 20nsdiv to 50msdiv in 20 calibrated steps l-2-5 sequence

16、 x10 mag extends fastest sweep rate to 2nsdivAccuracy 2 (10 to +35) 4 (0 to +50) Additional error for magnifier 2Horizontal DiSplay Modes A only，A intensified， Alternate，B delayed， XY operationDelayed sweep position 1 div or less 10 div or more adjustmentDelay sweep variable presentDelay Time Jitter

17、 Better than l：20,000l TRIGGERING A AND BA Trigger ModesAutomatic， Normal， Single sweep， TV (TV-H Or TV-V) A Trigger Hold-offAdjustable control permits a stable presentation ofrepetitive complex waveformA Trigger sourceInternal (Ch l，Ch 2)， Line， External， External 10A Trigger siope + or -TV Sync po

18、larityTV(+) or TV (-)Triggering 1evel For both A and B Internal； 4div or morevariable range External； approximately lV External 10； approximately 10VTriggering sensiti- For both A and B However， ( ) is onlyvity and frequency for BFrequencyInternalExternalExternal10DC(30Hz) 10MHz03 div50 mV500 mV10 M

19、Hz 100MHz15 div150 mV15 VTVV sensitivity： SYNC section less than 0.7div or 200mVAUTO low band： Approximately 30Hz (When Time BaSe A is 20nsdiv to 2msdiv)A Trigger CouplingAC： 30Hz to full bandwidthHF REJ： attenuates Signals below approximately 4KHzLF REJ： attenuates Signals above approximately 4KHzD

20、C： 0 to full bandwidthA External Trigger Inpt ImpedanCelM ohm 20 in parallel with 28pF 6pF (However， settingHF REJ and LF REJ are not inciuded) Maximum Input voltage250V (DC + AC peak)500Vpp AC at lKHz or lessB Trigger Modes and SourceAutomatic， Normal (Ch l， Ch 2， External)B Trigger slope+ or -Trig

21、ger CouplingAC oilly； 30Hz to full bandwidthl XY OPERATION (CH l； Horiz， CH2； Vert)Deflection Factor Same as vertical deflectionAccuracy Y： 2 (+10 to +35)， 4 (0 to +50) X： 5 (+10 to +35)， 7 (0 to +50) Additional error for magnifier 2XBaildwidthDC to at least 2MHzPhase Error3 or less from DC to 2MHzC

22、ALIBRATOR 0.5Vl Frequency lkHzl square wave Rise time 5s or lessl OUTPUT SIGNALSA GATE OUT TTL 0UTPUT(74LS00with OUTPUT series resiStance 100) 一 5 一 B GATE OUT TTL OUTPUT (7400 with OUTPUT series resiStance 100)l POWER SUPPLYVOLTAGE (5060Hz)FUSE100 V ( 90 110 V)2A120 V (108 132 V)2A220 V (198 242 V)

23、1A240 V (216 264 V)1A Nominal vo1tage 5 at 400Hz power supply frequency： 50， 60， 400Hzpower consumption ： Approximately 60Wl ENVIRONMENTLimit of operation temperature 0 50Limit of operation humidity 35 85 Rated range of use temperature 10 35 Rated range of use humidity 45 85Strage afld transport -20

24、 70l DIMENSION AND WEIGHT 310W 180h 410d mm (122w x71h 161d in) 10.2kg (225 lbs)2. COMPOSITION (1) Model V-1050 oscilloscope unit 1 (2) probe (AT-10AE 1.5) 2 (3) Fuse (2A for 100V and 120V set or lA for 220V and 240V set) 1 (4)Screw-driver1 (5)Dust proof cover1 (6) power supply cord1 (7)Operation Ma

25、nual13 PREVENTIVE MAINTENANCE Preventive maintenance， when performed on a regular baSis， can prevent instrument breakdown and may improve the reliability of the oscilloscope The Severity of environment to which this instrument is subjected will determine the frequency of mainte nance A convenient ti

26、me to perform preventive maintenance is preceding recalibration of the inStrumentDisassembly Remove the 4 screws in the top cover of the instrumentGently Separate the top cover from the inStrument and lay aside，Most of the internal parts of the inStrument are now accessible if access to the front of

27、 the circuit boardS are necessary，remove the knobs from the external control shafts on the boardRemove the two screws Securing the Side panel to the InputCircuit board and remove the inStrument Side panel (See 5DISASSEMBLY ILLUSTRATION)Cleaning The instrUment should be cleaned as often as operating

28、conditions require accumulation of dirt in the inStrument cancause component breakdown， The covers provide protection against dust in the interiorof the inStrument Loose dust accumulated on these covers canbe removed with a soft cloth or small brush Dirt that remains can be removed with a soft cloth

29、 dependedin a mild detergent and water solution Abrasive c1eaners shouldnot be used Cleaning the interlor Should only be occaSionally necessaryThe best way to clean the interior is to blow off the dust witha dry， lowvelocity Stream of air A softbriStle brush or acottontipped applicator is useful for

30、 cleaning in narrow Spacesor for cleaning more delicate components Visual InSpection The inStrument Should be inspected occaSionally for suchdefects as broken connections， improperly Seated transistors，damaged Circuit boards，and heatdamaged parts The correctiveprocedure for most ViSible defects is a

31、pparent； however， particular care must be taken if heatdamaged components are foundoverheating usually indicates other trouble in the instrument；therefore， correcting the cause of the overheating is importantto prevent recurrance of the damage4 CALIBRATION Hitachi Denshi，Ltdproyides complete instrum

32、ent repair andrecalibration at our oversea s office， and authorized dealerContact your local Hitach Denshi， Ltd Office or representative41 CALIBRATION INTERVAL TO maintain instrument accuracy， perform the calibration of the V1050 at least every 1000 hours of operations or every Six month if used inf

33、requently42 TEST EQUIPMENT REQUIRED The folloWing test equipment and accessories， or equivalent， are required for the complete calibration of the V1050 The giyen Specifications for the test equipment are the minimum necessary for accurate calibration Therefore， the Specifica- tions of any test equip

34、ment used must meet or exceed the listed Specifications All the test equipment is assumed to be cor- rectly calibrated and operating within the liSted Specification Operating instructions for the test equipment are not given in thiS procedure Refer to the instruction manual for the test equipment if

35、 more information is needed 43 PRELIMINARY PROCEDURE ThiS instrument Should be calibrated at an ambient temperature of +20 (5) for best overall accuracy 1 Corlrlect the instrument to AC line voltage， 5060400 Hz 1ine source2 Set the ilistrument controlS as given in the preliminary Control Settings Al

36、low at least fifteen minutes of warmup before proceeding3 See the Adjustment Locations in the pUllout pagesTable 4-lTEST EQUIPMENT REQUIREDDescriptionMinimum specificationUsageExamples of ApplicableTest Equipment1 Constant Signal Generator Amplitude 50kHz reference frequency；maximum frequency 150MHz

37、；Variable amplitudeCheck horizontal， Vertical and trigger bandwidthHitachi Part NO42022 Standard AmplitudeCalibrator AmplitUde accuracy： 0.25%，Variable amplitude； 5mV to 40 V；frequency：l kHzSquare waveCheck horizontal and Vertical gainHitachi Part NO42023 SquareWaveCeneratorVariable frequency：10 Hz

38、to 1 MHz；output amplitude；10mV to 100 VCheck probe and vertical compenSationHitachi Part NO42024 Digital Multimeter0.1% accuracyCheck power supplyHitachi Part NO42025 Digital FrequencyCounter0.1% accuracyCheck CAL frequencyHitachi Part NO42026 Time Mark Generator0.1% accuracyCheck horizontal timingH

39、itachi Part NO42027 Cable Impedance，50 ohms；type，RC-58U；length， 42 inches，connectors，BNC External trigger operation Check. Horizontal gain Check and adjustmentHitachi Part NO42028 TerminationImedance，50 ohms；Type,RG-58/U;length,42inChes, connectors，BNC Vertical Amplifier compenSation checks and adju

40、stmentHitachi Part NO42029 AttenuatorRatio，10X； connectors，BNC；impedance，50 ohmsVertical Amplifier bandwidth checkHitachi Part NO420210 T-connectorConnectors，BNCExternal trigger operation ChecksHitachi Part NO130144 PRELIMINARY CONTROL SETTINGS preset the inStrument controls to the settingS given be

41、low，When Starting the calibration proceduresFOCUSMidrangeMidrangeTRACE ROTATIONAs desiredVAR HOLD 0FFFully counterclockwiseVPOSITIONMidrange，push inFully clockwise，push inVVARIABLECAL,fully clockwiseDISPLAYAAC-GND-DCGNDB TRICVOLTSDIV5mVDIVSOURCEAUTOVMODECH lLEVELMidrange，push inTRIG VIEWNormal(Butto

42、n out)A TRICINVNormal(Button out) LEVELMidrange，push inSCALE ILLUMFully counterclockwiseRESETNormalHPOSITIONMidrangeMODEAutoMidrange，push inCOUPLINGACTIMEDIV AlmsSOURCECH1DLY TIME MULTMidrange45 INITIAL STARTING PROCEDURE 1 Rotate POWERINTENSITY comtrol to the midrange 2 Wait a few seconds for the c

43、athode ray tube (CRT) to warm UpA trace Should appear on the diSplay of the CRT 3 If trace disappears， increase (clockwise) the POWER INTENSITY comtrol setting until the trace is easily observed， or ronghly checkadjust the DC balance to get a trace 15 4 Adjust FOCUS control for the best focused disp

44、lay 5 Readjust POSITION comtrols if necessary， to center the tracePOWER SUPPLY SYSTEMNOTE Before you begin， see ADJUSTMENT LOCATIONS in the pullout pages Control Settings Preset the controls as giyen in the preliminary Control Setting1 check LOWVOltage supply， if necessary a Connect the digital volt

45、meter (DVM) from the +12 volt line ： +11975 V to +12025 V (pll04-3) b Connect the DVM from the 12 V line ： 1175 V to 12，25 V (pll04-5) C Connect the DVM from the +5V line ： +475 V to +525 V (pll044) d Connect the DVM from the +55 V ： +53 V to 57 V (pll042) e Connect the DVM from the 100 V ： +98 V to +102 V (pl