Shimadzu MUX-100D Service Manual Download Page 100

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６ ADJUSTMENT/REPLACEMENT OF EACH PART

ＭＵＸ-１００ SERVICE MANUAL

６ - ３４

Rear view of the unit

(a)

(b)

(c)

Fig. 6-52 How to remove FPD box and DR assy

7. As shown in Fig. 6-53, detach the cable cover for DC motors.

Fig. 6-53 Remove Cable Covers for DC motors

Fixing Plate

Cable cover

Summary of Contents for MUX-100D

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

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