日立V-1050示波器说明书.doc

Model V-1050FOSCILLOSCOPEOPERATION MANUAL 编译：胡梓国Hitachi Denshi.Ltd目 录1 Specifications 我规格 12 Composition 组成73 preventive Maintenance 预防性维修84 Calibration 校准1041 Calibration Interval 校准间隔.1042 Test Equipment Required 测试所需设备1043 preliminary procedure 初步程序1044 preliminary Control Settings初步控制设置.1245 Initial Starting procedure 初始启动程序12power Supply System 供电系统13Display 显示14Horizontal System 横向系统16Vertical System 垂直系统20Triggering System & XY Operation 触发系统和XY操作24Calibrator 校准285 Disassembly Illustration 拆卸.插图296 Circuit Board Illustration (with Adjustment Locations) 电路板图（与调整位置）317 Diagram 图39 (1) Schematic Diagram (Vertical preamplifier) 示意图（垂直前置放大器）41 (2) Schematic Diagram (Vertical Output Amplifier & Channel Switch) 示意图（垂直输出放大器与通道开关）43Schematic Diagram (Trigger 12) 示意图（触发12）45 Schematic Diagram (Trigger 22) 示意图（触发22） 47Schematic Diagram (Sweep Generator) 示意图（扫描发生器）49Schematic Diagram (Calibrator & Front panel Controls原理图（校准与前面板控制.51Schematic Diagram (Horizontal Amplifier， ZAxis Amplifier & High Voltage Circuits)（水平Z轴放大器，示意图高电压放大器电路）53Schematic Diagram (Power Supply) 示意图（供电）55Schematic Diagram (Connectors) 示意图（连接器）578. parts list 零件清单59Electrical Replaceable parts List 电器更换零件清单59Mechanical Replaceable parts list 机械更换零件清单1181 SPECIFICATIONS 规格 CRT 阴极射线管Type 型号Hitachi 150BNB3l rectangular mesh type tube With 20 KV -日立150BNB3l矩形网格型管20KVacceleration potential and metal backed phosphor 加速电位及金属磷Screen type 屏幕类型P3l phosphor Standard p31荧光粉标准Usefu1 Screen area 有效屏幕面积8 X 10 div (div ： 10mm) 810（分度值：10毫米）Graticule 基线Internal graticule With Centimeter divisions and 2mm 内部网格划分2毫米Subdivisions along the centeral axis 10 and 90 lines are 分支沿中心轴10%和90%线indicated illumination Continuously Variable照明连续变量表示Focussing 聚焦possible (With automatic focus correction circuit) 可能的（自动聚焦校正电路）Trace rotation present 前置微调旋钮Scale illumination Variable 规模照明变量Brightness adjustment possible 亮度调整可能翻译结果重试抱歉，系统响应超时，请稍后再试l 支持中文、英文免费在线翻译l 支持网页翻译，在输入框输入网页地址即可l 提供一键清空、复制功能、支持双语对照查看，使您体验更加流畅l ZAXIS Z轴l DCcoupled， positivegoing Signal decreases intensity： 5Vppl 正向信号耦合，降低强度：5vp-pl Signal causes noticeable modulation at normal intensity：信号导致明显的调节在正常强度：l DC to 35MHZ直流3.5MHz。l Input impedance Approximately 15 k Ohm 输入阻抗约15欧姆l Maximum input voltage 20 V (DC + AC peak) 最大输入电压20伏（直流+交流峰值）l Coupling DC 直流耦合lVERTICAL DEFLECTION (2 Identical Channels) 垂直偏转（2通道）Bandwidth and Rise time 带宽与上升时间DC to at 1eaSt 100MHZ and rise time 3.5nS Or less，直流到至少100 MHz和上升时间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5兆赫和上升时间70ns或更少的延伸率，低点-3dB，交流耦合10 Hz或更少。DefleCtiOn Factor 偏转因子5mVdiv to 5Vdiv in 10 calibrated Steps， l-2-5 Sequence5mv分区分区10个校准步骤，l-2-5序列。Uncalibrated continuous control extends deflection factor 标定连续控制延伸偏转因子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放大镜的敏感性增加每个转移化因子设置500V格。Accuracy 精度2 (+10 to +35)4 (0 to +50)Additional error for magnifier l 附加误差放大 1%DiSplay modes 显示模式CH1，CH2 (normal or invert)， Alternate， Chopped (250kHz rate)，Added Input ImpedanceCH1，CH 2（正常或倒置），互生，切碎（250 kHz速率），添加输入阻抗lM Ohm 1.5 in parallel with 28pF 3pF 长征1.5%欧姆平行28pf3pf。Maximum Input voltage 最大输入电压250V (DC + AC peak) or 500Vp-p AC at 1KHz or less250 V（直流+交流峰值）或500vp-p交流在1 kHz以内Input coupling 输入耦合ACGNDDCDelay Line 延迟线permitS viewing 1eading edge of display waveform 允许查看1eading边缘显示波形。Four-trace Display (TRIG VIEW) four-trace显示（触发视图）Display simultaneously channel 1， Channel 2， Channel 3 同时显示通道1，通道2，通道3(A EXT TRIG Signal) Channel 4 (B EXT TRIG signal)（一个外部触发信号），4频道（二外部触发信号）。The deflection factor of Channel 3 and Channel 4 iS 偏转因子3通道和4通道approximately 200 mVdiv 约200毫伏分格。Sensitivjty INT： ll 30 of screen area sensitivjty诠释：我我30%屏幕面积EXT： 02 Vdiv 30 分机：0.2伏分区30%Frequency band EXT： DC to 70 MHz (-3dB) 频段内线：直流70兆赫（-3分贝）position CH3： Horizontal 100 graticule line of 位置控制：卧式100%标线screen ldiv (trigger level knob is Set at the center) 屏幕ldiv（触发电平旋钮设置在中心）。CH4： Horizontal 0 graticule line of CH4：水平0%标线screen 1div 1div屏幕。翻译结果重试抱歉，系统响应超时，请稍后再试l 支持中文、英文免费在线翻译l 支持网页翻译，在输入框输入网页地址即可l 提供一键清空、复制功能、支持双语对照查看，使您体验更加流畅l HORIZONTAL DEFLECTIONTime 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 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 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 polarityTV(+) 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 MHz 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 4KHzDC： 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 -Trigger 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 2MHzCALIBRATOR 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)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 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 Manual13 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 time 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 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 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 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 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 apparent； 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 instrument 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 infrequently42 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 equipment 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 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 Allow 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；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 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 timingHitachi 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 adjustmentHitachi 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 below，When Starting the calibration proceduresFOCUSMidrangeMidrangeTRACE ROTATIONAs desiredVAR HOLD 0FFFully counterclockwiseVPOSITIONMidrange，push inFully clockwise，push inVVARIABLECAL,fully clockwiseDISPLAYAAC-GND-DCGNDB TRICVOLTSDIV5mVDIVSOURCEAUTOVMODECH lLEVELMidrange，push inTRIG VIEWNormal(Button 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 cathode 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 display 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 voltmeter (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 (pll0