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６ ADJUSTMENT/REPLACEMENT OF EACH PART

ＭＵＸ-１００ SERVICE MANUAL

６ - ２０

Fig. 6-34 Panel in the Tube Current 2-Point Adjustment Mode

Flickers.

50/160 mA

Fixed to 80 kV

Changes over the FVR display.

Registration key

Displayed FVR value

Change over the tube
current between 50 and
160 mA.

Change the FVR value.

Flickers.

Содержание MUX-100D

Страница 1: ...Mobile DaRt D SERIES SERVICE MANUAL SHIMADZU CORPORATION KYOTO JAPAN Medical System Division...

Страница 2: ...3 8 7 Power ON OFF circuit for DR system 3 9 INSTALLATION AND MAINTENANCE INSPECTION Environmental Condition 4 1 2 Installation Procedure 4 2 2 Flow chart in installation procedure 4 2 2 Unpacking 4...

Страница 3: ...Battery 6 8 Battery specifications 6 8 Replacement of battery 6 8 3 Confirmation of Battery Voltage Detection 6 13 Replacement of X ray Tube 6 14 Replacement of X ray tube 6 14 Adjustment after repla...

Страница 4: ...n efficiency and low ripple are realized by adoption of a high frequency inverter at 60 kHzmaximumas the highvoltagegeneration method Anatomical programs providedas standard Withanatomical programs pr...

Страница 5: ...00 2010mm 600 1860mm Arm length 635 1200mm Support stand rotation range 270deg min Tube rotation angle 360deg Tube rotation around tubeaxis Forward 90 deg min Backward 20 deg min Minimum distances bet...

Страница 6: ...roduct 320mAs 320mAs Ratings Theminimum value of nominal irradiation time 3 2ms 40 90kV 0 32 320mAs 0 32 320mAs 91 100kV 0 32 280mAs 0 32 280mAs 101 110kV 0 32 250mAs 0 32 250mAs 111 120kV 0 32 220mAs...

Страница 7: ...kinds of anatomical programs can be stored 72 kinds 8 body parts 3 orientations 3 bodythickness The contents of anatomical program stored inmemory are a Exposure condition kV mAs b Method of exposure...

Страница 8: ...m in Field size indication Accuracy of SIDindication 5 Drive of leaves manual Mounting dimension Focus to fit surface distance 56 mm External dimension W D H 202 211 197 mm X ray tube Assembly Model N...

Страница 9: ...ection against electric shock Type B Classification accordingto operationmode Continuous operation with intermittent load For detail about X ray tube assembly please refer to X ray tube operationmanua...

Страница 10: ...of Pixels 2208 x2688 Pixel Pitch 160 m x160 m Fluorescent substance GOS Fluorescent screen Imaging Unit mass 4 8kg except Grid Mechanical strength Load uniformly 150kg Load partly 100kg 40mm Mass 4 8...

Страница 11: ...OUTLINE SERVICE MANUAL System Drawing Fig 1 1 Dimensional drawing of the system...

Страница 12: ...front and upper view Fig 1 3 X ray reference axis and focal spot position Side view Viewfromthisside RefertoFig 1 3 4 M6 deep12 P C D 92 Focus 1 Referenceaxis 126 126 134 Unit mm 1 Ahollowonthehousin...

Страница 13: ...ocus This makes positioningand adjustment ofthe irradiation field and small movement of the unit Handswitch The switch tomakeX ray exposures Support Stand Holds thetube section andarm It canturns itse...

Страница 14: ...andreleasingit Power plug Used tochargethebattery Bumper switch section Stops the unit in theevent ofa collision Emergencybrake active keyswitch Switchfor activatingthe emergencybrakerelease function...

Страница 15: ...lips headtype normal headtype Nipper Cuttingpliers Tester digital Alligator clip Cabletie Cutter Grease Waste Alcohol or acetone for cleaning Bolt M8 M12 16 cm for replacingthetube Oscilloscope Wrench...

Страница 16: ...00 0 1 1 B B 0 01 I 001 REQUIRED TOOLS AND PCB LAYOUT SERVICE MANUAL Fig 2 3LinkAssy Top ofthe batteries Fig 2 2 Control Unit Left Side Inverter Unit C1 MUX Charge 04A MUX Power 99 MUX Charge 04B Powe...

Страница 17: ...04B PCB Offers theinverter circuit for batterycharging Detects thebatterychargingcurrent MUX LC1B PCB NoiseFilter for thepower supply ofMUX CHARGE 04BPCB MUX POWER 99 PCB Turns onand offthepower and...

Страница 18: ...panel for KeySwitchPanel Assy SHEET PANELMUX 100D PCB MainSheet panel tooperateX raygenerator POWER 100D PCB Controls the power supplyfor DR system CANON FPD RC TRANSMITTERPCB option Controls sendfor...

Страница 19: ...2 O ACId 4 2 Ot 11 I 0 _ I C 119 g 4 3 UR a ea 0 O X La P 0 O 1 MUX CHARGE 04A LJ 72 1 71 00 O O C 7 0 X 4 0 A _ HEM INTERNAL CONNECTION SERVICE MANUAL Total connection diagram SHEET 1 Fig 3 1 Intern...

Страница 20: ...o Mw 20 m ON cc m c C2 t V OX l a_ m u_ ca a u_ 2 O5 0 Z gy m u_u m 0 Ls mN 0 7U163CS 36 300KHU 5 U JQ 0 c i c 5 E 11 LJ I Fl M O P 2 ii me MU DRIVER 2 INTERNAL CONNECTION SERVICE MANUAL 2 Fig 3 2 Tot...

Страница 21: ...CANON CXDI 50 1 POWER 100D 1 J 1 1 1 1 LCD DISPLAY WITH TOUCH PANEL I C F I 0 tL J r POWER BOX INTERNAL CONNECTION SERVICE MANUAL 3 Fig 3 3 Total ConnectionDiagram2...

Страница 22: ...and the R2 in the control unit is short circuited andsufficient loadcurrent canflow WhentheMGRSsignal is output thesystembecomes ready for operation Reference The ON status of the key switch the KEYS...

Страница 23: ...GE 04APCB Explanation Twenty batteries are connected in series 10 batteries on the pulse side and 10 batteries on the minus side The middle point is connected to the chassis via resistors of several M...

Страница 24: ...1A The measured charging current is detected by the current transformer CT1 on the MUX CHARGE 04B PCB The preset charging current PIC is controlled as the following table depending on the current cha...

Страница 25: ...ansformer T3 Explanation For thestarter andthelamp a common inverter 60Hz is mountedontheMUX CHARGE 04APCB The input voltage is the battery voltage approximately 240V The pulse width is adjusted and c...

Страница 26: ...unit is mountedalso Thecurrent transformer CT1 etc Reference Because a part of the current detection unit is mounted it is required to confirm adjustment of the FVR value preset value of filament cur...

Страница 27: ...atteryvoltageis suppliedthroughJ240 As well the fan whichis located near fromPC andis connectedtoJFN starts working As K2 turns ON thecontact ofJEXTis closed This signal goes toJEXTonMUX CHARGE 04A th...

Страница 28: ...pressure 700 hPa 1060 hPa Storage environment not for transport and storage before delivery Ambient temperature 10 C 35 C Relative humidity 30 75 no dew condensation Atmospheric pressure 700 hPa 1060...

Страница 29: ...llimator rotationstopper Refer to 4 2 3 Change ofconnectioninaccordancewith supply voltage Refer to 4 2 4 END YES NO Option Installing options Refer to Chapter 5 of Installation Manual Attachment of s...

Страница 30: ...al M503 E320 1 After removing packing materials set to ON the main breaker Refer to 1 4 Name of Each Part then set to ON the keyswitch Refer to 1 4NameofEachPart toturn onthe power ofthesystem After t...

Страница 31: ...r that removethescrews oneside6 screws fromwoodsupport thenremove oneside ofwoodsupport Fig 4 4 HowtoRemovethe packing materials Slope pallet Hold the handle then pull the handle to let the system mov...

Страница 32: ...nrotatethesupport stand In this time please check the wire rope no damaged areas no frayed spots element wires are not cut the tension is equivalent betweentwowires thenremovethefixingbolt for weight...

Страница 33: ...ut requiringcaps for hidingscrews intoa dent After that attachthecollimator rotationstopper knob whichis put insidea bag 1 Lift up the arm and expand it 2 Remove the Cable Guide from the Middle Arm M5...

Страница 34: ...voltage indication label above the outlet of the power plug The label is included in the maintenance parts P N502 21566 5 TurnON the maincircuit breaker Also make surethecircuitbreaker NFB1isON under...

Страница 35: ...et time Approx 1 4 sec JP3 L Master reset time Approx 3 3 sec Table 4 2 Jumper switch setup Fig 4 9 Location of jumper switch on XCONT board NEXSCPCB Set the DIP switch SW2 and SW3 as below for normal...

Страница 36: ...0 2 40 8 120 10 2 40 9 125 10 2 40 Table4 3 AgingProcedure WARNING When performing aging close the collimator completely and take sufficient protective measures against radiationusing partitions prote...

Страница 37: ...ake sure also that the moving speed changes in accordance with the pushing pulling force Next press the armlock release switch and lift the tube unit After that manipulate the travel handle and make s...

Страница 38: ...adjusting knob to the completely open position press the collimator lamp switch and make sure that the irradiation field lamp lights After that turn the irradiation field adjusting knob to the complet...

Страница 39: ...ess and hold the user setting switch for3 seconds tochange into user settingmode When PAS is displayed press the head scankey and the collimator lamp key consecutively in this order within 3 seconds D...

Страница 40: ...ing are considerably worse It is recommended to use the standard battery so that the system can offer itsfull performance CAUTION The characteristics vary depending on the battery type If a wrong code...

Страница 41: ...off time setting bON Buzzer control setting LAP Collimator lampcontrol setting aPr APR setting at the time of starting the apparatus id Apparatus ID setting Table4 6 Contents ofUser Setting How to ret...

Страница 42: ...m is set to 70 standard Incase that youchange it tohighervalue for example to 100 the noise from DC Motorsmay becomebigger Change the preset value using the tube current time product setting keys then...

Страница 43: ...y to register the contents of setting Then reCord is displayed in the display unit the contents of setting are registered andthesystemreturns tothenormal usestatus Tubecurrent time product display set...

Страница 44: ...rm internal cable wiring referring to Fig 4 20 b c Arm Joint Sectionand Link Assy are should be removed once to fixthe sensor cable under the Arm Joint Section a b c Fig 4 20 Wiring ofCXDI 50G Openthe...

Страница 45: ...ble which is included inCXDI 50G betweenPowerBoxand XCONT 2002PCB Refer to Fig 4 22 and CXDI 50GService Manual Wire Marking Terminal onXCONTPCB A1 1B2 A2 1B22 B1 1B1 B2 1B11 a b Fig 4 22 Wiring ofX ra...

Страница 46: ...late Remove the four rubber spacer whichare attached onthe bottom of PowerBox and turnonthe Line ON switchof PowerBoxbeforefixing it to the mainframe of MUX 100D 8 Fixthe cables to Power Boxwiththe Co...

Страница 47: ...alibrationerror occurs the error screen is displayed inthe touchpanel monitor Check the content of the error and change the calibrationcondition exposure conditions of MUX is displayed to the average...

Страница 48: ...light off for a long life and good performance of the battery Too frequent charging may lower the performance and reduce the batterylife Difference from MUX 100 100H Function ofbatterychargingis diffe...

Страница 49: ...attachingthescrewcaps inthescrew holes ofeachcovers Side Cover 4pieces oneachsides Collimator 2pieces FPD BOX 6 pieces Top Cover 3pieces Cable Cover 4pieces Front Cover 4pieces Front Rear Cover2piece...

Страница 50: ...unusual looseness X ray Tube Support stand Any abnormal sound occurring during rotation or signs of physicalmisalignment or damage Tube arm Any scratches or abnormal sounds occurring during up downmo...

Страница 51: ...g andthe stopper Are any of theplug s prongs bent or deformed Cord reel Is anything caughtin it andmaking noise Is the cable cover cut or frayed FPD boxfan vent holes Is dust collected on thevents Is...

Страница 52: ...ed to be replaced every 2 years Contact your nearest authorized Shimadzuservice center for the necessary replacement Replace batteries whena fully charged set of batteries have a reduced operational l...

Страница 53: ...otor The bar of a travel brakeoperatecertainly Casters The fixing of each casters arenotloose 4 mounting screws provided in thelower portion of the main unit FPD Bin Are support cushions obstructed Gr...

Страница 54: ...refullysothat thesurfaceis not damaged CAUTION This system is not protected against invasion of liquid During cleaning pay rigid attention so that any liquid does notenterfrom openings inthe system NO...

Страница 55: ...21 O ring 4D SS 060 For collimator leaf 8 pieces system Judge the replacement timing by periodical inspection Refer tothelist below Fuse 503 34889 02 GND Wire Earthbelt 2 years 532 23029 Silicon packi...

Страница 56: ...F23 OnCONTROLUNITMUX chassis F1 OnMUX CHARGE 04Aboard F6 OnMUX POWER 99 board 072 01664 26 2A250V Slowblow F21 F22 OnCONTROLUNITMUX chassis F1 F2 OnMUX POWER 99board 072 01664 33 5A250V Slowblow F11...

Страница 57: ...first then initializethePCB After that performtheinitial setting adjust theFVR and register theAPR Lithium batteryreplacement When the life of the lithium battery is expired the information contents d...

Страница 58: ...2 1 Always ON 2 2 Always ON 2 3 Always OFF 2 4 Always OFF 2 5 ON Measured valuedisplay mode OFF Normal mode 2 6 Always OFF 2 7 Always OFF 2 8 ON Initial setting mode OFF Normal mode 3 1 ON EEPROM init...

Страница 59: ...As well confirmthedetected battery charged voltagereferring to 6 2 3 Confirmation of battery voltagedetection LED list LED No Signal Name Description LD1 KEYIN Lights when an input is given fromthepa...

Страница 60: ...VIN Inverter frequency voltage CP28 MASCLK Signal created when the TMA is converted into the frequency by the V F converter This signal 5 kHz 50 mA is used in the mAs timer CP29 F Oscillation frequenc...

Страница 61: ...ting Check pin list CP No CP Name Description CP1 CL CP2 CO Filament heating voltage CP3 Gc CP4 Ec IGBT gatesignal CP5 Ga CP6 Ea IGBT gatesignal CP7 YC Stator coil current detection 1V or moreis norma...

Страница 62: ...ltagereferring to 6 2 3 Confirmation of battery voltagedetection LED list LED No Signal Name Description LD1 CHON Lights ON during charging thebattery LD2 LAMP ON Lights ON when 60Hz inverter is worki...

Страница 63: ...rent CP28 CLK2 4kHz clock pulsefor 0 4Aor 0 18Aof setting charging current CP29 Q4 Gatepulsefor Starter and Lamp CP30 Q3 Gatepulsefor Starter and Lamp Fuselist FuseNo Description F1 250V 0 5Afusefor l...

Страница 64: ...04A F4 250V 10Afusefor 120Vpower supply fromthebattery for DC motors MUDRIVER 2 F5 250V 10Afusefor 120Vpower supply fromthebattery for DC motors MUDRIVER 2 F6 250V 0 5Afusefor 12VDC power supply PS1 V...

Страница 65: ...V CP5 RIGHT CURR Current limit CP6 RIGHT CURR Current limit CP7 LEFT CURR Current limit CP8 LEFT CURR Current limit CP9 LEFT CURR Detection current left 0 1V 0 67A 2 5V offset CP10 RIGHT CURR Detectio...

Страница 66: ...is available VRlist Name Function Howto adjust VR1 Output Pulsewidth fromM1A Pulsewidth should beabout 2 5 sec after the switch DR is pressed Normally set at the middleposition VR2 Output Pulsewidth f...

Страница 67: ...the covers Otherwise you may get electrical shock Name and position of each cover There is a sequence of opening closing the covers as shown inFig 4 For example to remove the top cover the side cover...

Страница 68: ...ve the four screws as shown in Fig 6 2 Fig 6 2 Screw clamp positions of the FPD box 3 Pull up FPD boxand remove it thenput FPD into FPD box 4 Remove the sevenscrews shown inFig 6 3 thenremove the side...

Страница 69: ...sition Turnoff the key switchand the mainbreaker 2 Unscrews the three screws as shown inFig 6 4 3 Unscrews the three screws onthe Top cover 4 Pull up the front part of the top cover Fig 6 5 Fig 6 4 Sc...

Страница 70: ...pull out forward and remove the cover Fig 6 6 Method of opening closing the front side cover 5 How to remove the Front Rear Cover 1 Unscrew the two screws as shown inFig 6 6 a 2 Unscrew the four scre...

Страница 71: ...it Fig 6 8 Screw clamp positions of the cable cover 7 How to remove the Front Cover 1 Remove the front side cover and front rear cover 2 Remove the cable cover 3 Remove the cable guide and cable hold...

Страница 72: ...itchfor activating the emergency brake release function Remove the frame of line switchfrom the front cover The switch separates by blowing downthe lever Fig 6 10 How to remove the switch for activati...

Страница 73: ...cket head cap screws at the two locations indicated inFig 6 11 3 Remove the knob of the arm lock release lever by turning it counterclockwise 4 Pull out the top plate and the maincover of the arm join...

Страница 74: ...ch as the bracelet hanging jewelrys and clocks during the battery exchange work It is very dangerous when coming in contact between terminals of the battery Pay attention to polarity of when arranging...

Страница 75: ...nd 6 1 7 5 Remove the Fixing Plates whichare fixing DR assy to the mainframe Refer to Fig 6 14 b 6 Disconnect the cable onDR assy However the cable betweenFPD and POWER BOX is not disconnected 7 Remov...

Страница 76: ...NT OF EACH PART SERVICE MANUAL Rear view of the unit a b c Upper viewofthe unit d Fig 6 14Procedure ofbatteryexchange Fig 6 15 BatteryWiringDisconnectionOrder Fixing Plate Link ASSY BAT 2 1 6 BAT 1 7...

Страница 77: ...ttention in handling it Fig 6 16 HowtoTakeOut theBatteryASSY a b c Fig 6 17 Battery ASSY In battery set BAT1 BAT3 and BAT2 BAT4 is different of structure The terminal block position the battery positi...

Страница 78: ...to the original position Pay attentionto the battery numbers and positions Refer to Fig 6 15 15 Connect the wires to the terminal block of battery ASSY inthe reverse order of Fig 6 15 from No 8 toNo 1...

Страница 79: ...justment mode In each mode the converted detected voltage is displayedin6 digits inthetube voltageand current time product display units The LED ontheleg or foot scankeyflickers Adjustment ofbatteryvo...

Страница 80: ...n the tube Put the removed collimator on cushion on the main unit or a base Fig 6 22 RemovingtheCollimator 3 Disconnect the high voltage cable from the plug area Disconnect thelow voltage cablefromthe...

Страница 81: ...pringwasher etc After that removesocket head capscrews fromtheshaft area thenremovetheshaft area As to the left side remove the cover countersunk head screws in 2 positions then remove socket head cap...

Страница 82: ...t Rotation Unit andRemoved Parts Left rotationunit Remove these socket head cap screws in 4 positions Right rotation unit Parts ofleft rotation unit Remove this Unut Before removing this rotation stop...

Страница 83: ...ions beforeattachment CAUTION Make sure to use grease notcontaining abrasive Recommended grease Albania grease 2 Showa Shell Fig 6 30 GreaseApplicationPortions 8 At theend attachthelowvoltagecable the...

Страница 84: ...r intothetipoftheplug Put the plug into the socket When the plug tip reaches the bottom of the socket turn the plug to find the position inwhichthe plugis fittedintothekeyway thenpushthe plug Tightent...

Страница 85: ...to enter the tube current 2 point adjustment mode The LEDs on the head scankeyandthestandardbody keyflicker Setting of tubevoltage Becausethetubevoltageis fixedto80 kV you donot havetoset it Setting o...

Страница 86: ...RVICE MANUAL Fig 6 34 Panel inthe TubeCurrent 2 Point Adjustment Mode Flickers 50 160 mA Fixedto80 kV Changes over theFVR display Registration key DisplayedFVR value Change over the tube current betwe...

Страница 87: ...t is displayed in the tube current displayunit compareit withthe preset value Adjustment ofFVR value Press the remote control selection key to display the FVR value in the preset tube voltage display...

Страница 88: ...cedure CAUTION Never touch directly the collimator lamp If dirt is adhered on the lamp the illuminance may be deteriorated NOTE After the power of the system has been OFF for a while or after a while...

Страница 89: ...neand ground 4 Removethehexagonsocket headcapscrew on your side andpull out thecordreel 5 Removethespacer mountingbracket fromthe oldcordreel andattachit toa newcordreel P N 503 49045 cordreel wiring...

Страница 90: ...I 1 71311E 1 1111L a ADJUSTMENT REPLACEMENT OF EACH PART SERVICE MANUAL Fig 6 39 HowtoRemovetheWiring ofCordReel Xcont 2002 NEXSC CPU MU Driver 2 Breaker NFB1 Bus Extender Remove the wiring of cordree...

Страница 91: ...ovethefastenterminal ofthegateemitter connectedtotheIGBT 4 Removescrews in3 positions fromthePCB removetheIGBT thenreplaceit witha new one P N 060 39940 1TR 2MB1300M 060 5 Connect the fastenterminal a...

Страница 92: ...heyear usingthetube voltagesetting keys Changethe month usingthetubecurrent time product settingkey Changethe day usingthetubecurrent time product setting key Fig 6 42 Panel whentheDateis Set Change o...

Страница 93: ...toenter theexposurecounter mode The LEDs onthe headscankeyandthethickbody keyflicker Confirmationof accumulated numberoftimes The accumulated number of times is displayed in the preset tube voltage di...

Страница 94: ...the lamp is extinguished therelativeaccumulatedtravel distanceis displayed The total accumulated travel distance indicates the accumulated travel distance from the time of shipment from the factory Th...

Страница 95: ...mode The LEDs onthethickbody keyandtheabdomenscankey flicker Confirmationof contents of error log The log No is displayed in the kV display unit The type of error is displayed in the mAs display unit...

Страница 96: ...atteryontheNEXSC PCB usingthe following procedure 1 Removetheright sidecover fromthecontrol unit 2 Set the keyswitchtoON 3 Disconnect thebattery ontheNEXSC PCB fromtheconnector andconnect a newbattery...

Страница 97: ...omes lowspeed Ifthere issuch kinds ofdrivingtrouble adjust SW4referringtobelowprocedure 1 As shown in Fig 6 49 place an M6 plain washier on the Frame of Arm Joint Section then fix the top plate 2 Turn...

Страница 98: ...ined even if the arm is swung in all four directions b If the arm is retracted on the condition that the X ray tube has been pulled out by about 5cm from the status described in the above a inadequate...

Страница 99: ...ch and lift the arm downto the position showninFig 6 51 Fig 6 51 Arm position to replace the battery Be sure to start replacing the battery after moving the arm down to the position shown in Fig 6 51...

Страница 100: ...NT OF EACH PART SERVICE MANUAL Rear view of the unit a b c Fig 6 52Howtoremove FPD box and DRassy 7 As shown in Fig 6 53 detachthe cable cover for DCmotors Fig 6 53Remove Cable Covers for DCmotors Fix...

Страница 101: ...a label onrespective connectorsoftwonewDCmotors Refer to the wiringdiagram shown in Fig 6 54 c a b Fig 6 54Label on ConnectorsofDCmotor 9 As shown in Fig 6 55 detach the wheel cover Fig 6 55Remove th...

Страница 102: ...JUSTMENT REPLACEMENT OF EACH PART SERVICE MANUAL 10 As shown in Fig 6 56 loosen thehexagon socket headcapscrews that fixthewheel Fig 6 56 Loosen theFixing Bolts oftheWheel Hexagon socket head cap scre...

Страница 103: ...ig 6 57 lift themain bodybyusing wood blocks remove the bolts thathave been loosened in above step 10 anddetach thewheel Fig 6 57 12 As shown in Fig 6 58 detach thehexagon socket headbolts which fixth...

Страница 104: ...EACH PART SERVICE MANUAL 13 As shown in Fig 6 59 disconnect thegroundwire cut thewiringband andtake out themotor Fig 6 59 Motor Motor mountinghole Groundwire The encircled area shows the point where...

Страница 105: ...t themotor be sure toapplyLOCTITE toprevent loosening ofbolts 3 Be careful not toallowcables tobe caught in between edges oftheright andtheleft motor 16 Mount thewheelsandthewheel covers anddetach the...

Страница 106: ...PC thenturnON the key switchand turnON DR system 7 Press Line ON switchonthe left side of PC thenconfirm that PC turns ON You need to press this Line ON switchonce after replacement of PC Otherwise t...

Страница 107: ...orizedShimadzu servicecenter Table7 1AlarmMessageList NOTE TheCPU memory battery lithiumbattery backs up theSRAM on theNEXSC PCB When the lifeofthis lithiumbatteryhas expired thecontents willbedisplay...

Страница 108: ...edindetailsasthefollowing 7 2 1 H1andH2 The CPU calculates the accumulated heat capacity based on previous exposure then issues these alarm messages If eitherofthesemessagesisissuedevenwhilethereisnot...

Страница 109: ...circuited with GND on X CONT or other PCB Normal Normal Abnormal Abnormal 7 2 5 F11 KVOVER detectedbysoftware at20msafterexposureandeach100ms Themeasuredtubevoltageishigherbyapproximately30kVormoretha...

Страница 110: ...form adjustment related to tube voltage shown in Appendix C in Installation Manual Readjust FVR YES NO Waveform at CP29 F CP33 A D or CP34 B C normal X CONT is abnormal Replace it X CONT or NEXSC is a...

Страница 111: ...tion Manual _ j Waveform at CP29 F CP33 A D or CP34 B C normal Abnormal X CONT is abnormal Replace it Normal INVERTER UNIT is abnormal Replace it Normal Abnormal High Voltage transformer may be defect...

Страница 112: ...ossibilityofadefectivePCBislow falseerror messagecouldbedisplayedsometimes Ifeitherofthefollowingphenomenaisdetected itcanbeclearlydeterminedthatdischargehasoccurredinthe highvoltagesystem 1 Discharge...

Страница 113: ...hemeasuredtubecurrentisapproximately50 orlessofthepresetvalue When thesemessages aredisplayed checktheheatingsystemalsoinaccordancewiththeflowchartforF31 andF32 Check RMA CP13 and TMA CP11 on X CONT R...

Страница 114: ...former may be defective 0 X ray tube filament may be broken F3 should be defective There may be short circuit in any place Check below 1 C and CL Filament and Filament trans 2 X Y Z 3 MUX CHARGE 04A 4...

Страница 115: ...nthepresetvalue Check FVR CP15 and IFV CP7 on X CONT Both normal Or only FVR abnormal X CONT or NEXSC is abnormal Replace it YES X CONT INVERTER UNIT or High voltage filament transformer may be defect...

Страница 116: ...4 INVERTER UNIT 5 Collimator lump YES NO High voltage cable may be poorly contacted Refer to Appendix G High Voltage Cable Connection Procedure in Installation Manual and connect it again Exchange an...

Страница 117: ...11 7 2 13 F51 F52 F54 F55 F56 F5b F51 Batteryvoltageduringchargingishigherthan155V F52 Batteryvoltageduringchargingislowerthan100V F53 Batteryvoltageduringchargingishigherthan155V F54 Batteryvoltaged...

Страница 118: ...ectioncircuitforchargingcurrentisnotworkingwell For example if the waveform at all of three check pins arenormal detectioncircuit onXCONT PCB is maybenotworkingcorrectly If the waveform at CP5 IC on M...

Страница 119: ...X CONT or NEXSC Abnormal Normal Measure ray tube coil resistance Abnormal Low voltage cable is poorly contacted Or INVERTER UNIT is abnormal or MUX CHARGE is abnormal 04A X ray tube coil resistance X...

Страница 120: ...for Right Motor on MU DRIVER 2PCB TheOFFSETvoltageatbothcheckpinsis2 5VwhenDCMotorisnotdriven The relation is 0 1V 0 67A So the error D1 normally happens when the voltage at the above checkpinsexceeds...

Страница 121: ...esandbadconnection Ifswitchesandconnectionarenormal changeMUXDRIVE D4 Brakereleaseswitch D5 Smallmovementswitch forward D6 Smallmovementswitch backward D7 Drivehandle left D8 Drivehandle right D9 Bump...

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