Mitsubishi P91E Manual de Instruções

Ultrasound Diagnostic ScannerModel EUB-5500TECHNICAL GUIDE--- Principle of Operation --- Tokyo, JapanL1E-EA0229-1CONFIDENTIALITY: This material conta

8 L1E-EA02292 - 22.4 SymbolsIEC establishes symbols to be used for the equipment. The following symbols are used outsideand inside the equipment.D

L1E-EA02296 - 15(4) Side controlsLayout of Side Control VRCONTROL board(AVB451)FBTFOCUSSCREEN

L1E-EA02296 - 166.6 TroubleshootingItemInstallationProtection andadjustment functionInternal adjustment FailureSuspected causeFaulty connection ofsign

L1E-EA02296 - 176.7 Removing the Cover1) Remove M4×10 screws ① (4 locations).2) Withdraw the cover② backward to detach it.

L1E-EA02296 - 186.8 Detaching and Attaching the Filter6.8.1 Detaching the filter(1) Slide the filter to the rightSlot (small)BezelFilterSlot (small)

L1E-EA02296 - 19(2) While curving the filter, take the projections (2 locations) at the right side of filter out ofthe slots of bezel to detach the f

7 - 1 L1E-EA0229Section 7 Connector Arrangement7.1 Connector Arrangement Fig 7.1.1 shows external appearance of the CN panel. Fig 7.

7 - 2 L1E-EA02297.2 Connection of CN panel connectorCN No. PIN No. Signal Name From/To Remark1 F-FREEZE2 F-SHUTTERTo KBIF FOOT SW3GNDCN424GNDFig 7

7 - 3 L1E-EA0229CN No. PIN No. Signal Name From/To Remark1GND2 F-FREEZE3 F-SHUTTERTo KBIF FOOT SW4GND5GND6FWD DOP out F7REVFrom EPIDOP out R8GND9GND

7 - 4 L1E-EA0229CN No. PIN No. Signal Name From/To Remark51 SP_OFFSET252 SP_OFFSET153 SP_OFFSET0Not used54 GND55 GND56 SP_RENC57 SP_RENCZ58 SP_LENC5

7 - 5 L1E-EA02297.3 Termination of Video signalsIn EUB-5500, video terminals for the monitor and printer are independent each other.Therefore, every

L1E-EA02293 - 1Section 3 Operation3.1 General OperationRefer to the Instruction Manual.3.2 Special Operation for Service PersonnelNOTE: 1) In the fol

L1E-EA02298 - 1Section 8 Signal List8.1 EUB-5500 Basic Unit8.1.1 PRB PCB (PRBSW)No. Signal Name Terminal No. IN/OUT From/To Description1 SNSRT 28C OU

L1E-EA02298 - 2No. Signal Name Terminal No. IN/OUT From/To Description25 AD_ANGLE* 25E OUT AWP-23E Select signal for AD converter input. Voltage level

L1E-EA02298 - 38.1.2 AWP PCB (PRBSW)No. Signal Name Terminal No. IN/OUT From/To Description1 T<47..0> 58E,58C,58A,57D,57B,56E,56C,56A,55D,55B,54

L1E-EA02298 - 4No. Signal Name Terminal No. IN/OUT From/To Description5 STCW_N<23..0> 80D∼80A,77E∼77A,74E∼74A,71E∼71A,68E∼68AOUT CW-29D∼29A,26E∼

L1E-EA02298 - 5No. Signal Name Terminal No. IN/OUT From/To Description22 AD_MP5V* 23C IN PRB-25C Select signal for AD converter input. MPTEE supply vo

L1E-EA02298 - 68.1.3 DBF PCBNo. Signal Name Terminal No. IN/OUT From/To Description1 T<47..0> 23C∼23A,22E∼22A,21E∼21A,20E∼20A,19E∼19A,18E∼18A,17

L1E-EA02298 - 7No. Signal Name Terminal No. IN/OUT From/To Description6 DBF_BEAM1* 113B OUT CNF1-97 Not used7 DBF_RSTART* 113C OUT CNF1-99 Reception S

L1E-EA02298 - 8No. Signal Name Terminal No. IN/OUT From/To Description47 TRDIV_P 107E OUT PRB-16A Trans/Receive switch control (LVDS Positive Pole).48

L1E-EA02298 - 9No. Signal Name Terminal No. IN/OUT From/To Description63 FSFT* 149C OUT CNPNLCN32-29VCR Control Signal64 VSEL1,0* 148A,147E IN CNPNLCN

L1E-EA02298 - 10 8.1.4 EPI PCBNo. Signal Name Terminal No. IN/OUT From/To Description1 USRF_I<23..0> CNF1-1,3,5,7,9,11,13,15,17,19,21,23,25,27,

L1E-EA02293 - 2(5-A) If selecting “Yes” from “Reset Menu” and clicking the “OK” button, all the setup data isreset to those when shipped from the f

L1E-EA02298 - 11No. Signal Name Terminal No. IN/OUT From/To Description23 ADJ_YSYNC* CNF2-45 OUT DBF-121E DBF_Ysync Adjustment24 DBF_YSYNC* CNF2-47 OU

L1E-EA02298 - 12No. Signal Name Terminal No. IN/OUT From/To Description54 S_CBE<1..0>* CNF3-33,35 OUT DBF-132B,132C,BIO-31A,33AS-PCI Local Bus C

L1E-EA02298 - 13No. Signal Name Terminal No. IN/OUT From/To Description83 CK64DBF_N CNF4-19 OUT DBF-126D DBF 15.6MHz (64nS) Clock.(Negative Pole)84 CK

L1E-EA02298 - 148.1.5 MAP PCBNo. Signal Name Terminal No. IN/OUT From/To Description1 TCICLK CNF6-1 IN EPI-CNF6-1 TCI Bus 40ns(25MHz) Clock2 TCISYNC

L1E-EA02298 - 158.2 BIO Unit EZU-EK25 8.2.1 BIO PCBNo. Signal Name Terminal No. IN/OUT From/To Description1 SCK_BIO_N 16E IN CNF4-27 Spci Clock2 S

L1E-EA02298 - 168.3 CW Unit EZU-ST5,EZU-CW4 8.3.1 CW PCBNo. Signal Name Terminal No. IN/OUT From/To Description1 T_CWS<23..0> 5D∼5A,4E∼4A,3E

L1E-EA02298 - 1720 CWSYNC* 103E IN EPI-CNF2-21 Not used.No. Signal Name Terminal No. IN/OUT From/To Description21 TCK_CW 105B IN EPI-CNF3-3 Not used.2

L1E-EA02299 - 1Section 9 Maintenance9.1 Fan FilterClean the dust-proof air filter at the air inlet of power unit located at the bottom front ofequipme

L1E-EA02299 - 24. Monitor(1) Before cleaning the monitor, turn OFF the power to the main unit and extract the powercable from the power outlet.(2)

73 L1E-EA01739 - 3ring ball holder grip Cleaning of the trackball

L1E-EA02293 - 33.2.2 Contents of backup data（１）（１）（１）（１）（２）（２）（２）（２）（４）（４）（４）（４）（５）（５）（５）（５）（６）（６）（６）（６）（７）（７）（７）（７）（８）（８）（８）（８）（９）（９）（９）（９）（１０）（１０）（

Section 10 Parts List1. CART110-1 L1E-EA0229

2. CART210-4L1E-EA0229

2. CART2KEY No. PARTS NO. PART NAME QTY REMARKS1 7319017A TOP SHEILED/6500 12 J839A106 FG CLAMP/6500 13 7319215E CORE/6500 14 7511408A MB PCB/5500 15

1. CART1KEY No. PARTS NO. PART NAME QTY REMARKS1 7218905A CART/5500 12 7312175B CASTER/6500 43 7324997B CASTER COVER 44 7415673B HANDLE/5500 25 731901

KEY No. PARTS NO. PART NAME QTY REMARKS36 7319731A OUTLET(N)/6500 1 100V37 J8310501 OUTLET NC-183C 4 230V38 7416600A OUT-PNL(E)/6500 1 230V39 7319732A

3. KEYBOARD10-6 L1E-EA0229

3. KEYBOARDKEY No. PARTS NO. PART NAME QTY REMARKS1 7319385F KEYBOARD UNIT(E) 1 ENGLISH2 7319385G KEYBOARD UNIT(F) 1 FRANCH3 7320775B KB COVER(E) 1 EN

4. PC UNIT10-8L1E-EA0229

4. PC UNITKEY No. PARTS NO. PART NAME QTY REMARKS1 7218910A PC UNIT/5500 1 w/o HDD2 7218756A PC RACK/5500 13 7416847A PC RAIL/6500 24 7419926A PC FAN

5. COVER10-10 L1E-EA0229

L1E-EA02293 - 4(1) VCR VCRSelect the type of VCR to be connected.(2) PrinterSelect print time of the black/white video printer to be connect

5. COVERKEY No. PARTS NO. PART NAME QTY REMARKS1 7112095A S-COVER L/6500 12 7112096A S-COVER R/6500 13 7112097A B-COVER L/6500 14 7112098A B-COVER R/6

6. PCB10-12 L1E-EA0229

6. PCBKEY NO. PARTS NO. PART NAME QTY REMARKS1 7323170A PRB-SW UNIT/5500 12 7511409A PRB PCB/6500 13 7511410A AWP PCB/5500 14 7418408A PRB PLATE/5500

7. ACCESSORIES10-14 L1E-EA0229

7. ACCESSORIESKEY No. PARTS NO. PART NAME QTY REMARKS1 7416612A VCR CASE/6500 12 7416613A CASE PLATE/6500 13 1384039B PRB HANGER/6500 14 7421322A RUBB

8. MONITOR10-16 L1E-EA0229

8. MONITORKEY NO. PARTS NO. PART NAME QTY REMARKS1 7313483N FILTER/MT24 12 7313483B B-CVR/MT24 13 7313483C TILT/MT24 14 7313483D CRT/MT24 15 7313483E

9. POWER SUPPLY⑨⑩ ⑲⑱⑰⑯⑮⑭⑫⑪⑬①①②③④⑤⑦⑧⑥10-18 L1E-EA0229

9. POWER SUPPLYKEY NO. PARTS NO. PART NAME QTY REMARKS1 7320729A FILTER /071C 12 7320729B FUSE 6.3A/250V 1 100V3 7320729C FUSE 3.15A/250V 1 230V4 7320

L1E-EA02293 - 5(13) Date/TimeSet clock data.(14) Hosp. NameRegister hospital name.(15) Char. ClearSelect automatic clearing comments entered onto t

L1E-EA02293 - 6Displayed when the CD-RW disk is not prepareddue to any of the following reasons:• The CD-RW disk is not set to the CD drive.• The CD

L1E-EA02293 - 73.2.4 Loading backup data* Note that this operation deletes backup data saved in the system.(1) Select “Backup data” in “Setup” of “M

L1E-EA02293 - 8(5) Reading of backup data is performed, and equipment will be rebooted, if the O.K. button is clicked, since the message o

L1E-EA02293 - 93.2.5 Displaying software and hardware versions(1) Start “Service Tools”. Refer to 3.2.1 (1), (2) and (3).(2) Click the “Version”

 L1E-EA0229( 1 )CONTENTSPageSection 1Section 1Section 1Section 1 IntroductionIntroductionIntroductionIntroduction...

L1E-EA02293 - 103.2.6 Action be taken when the hard disk crashesThe followings describe an action to be taken when the hard disk crashes at the custom

L1E-EA02293 - 113.2.6.3 Action to be taken when software crashes   In case of a software crash, the system can be recovered by reinstalling the ultras

L1E-EA02293 - 12(3) Explorer of Windows XP Embedded is started ( Approximately 2 Mins ) and the filedirectory in System CD is displayed as below.C dr

L1E-EA02293 - 13(4) Open the “Install” folder on the CD and double click “shortcut of diskmgmt.exe”(C:/Install/diskmgmt.exe)A dialog “Computer Manage

L1E-EA02293 - 14 (6) Press the “OK” button.(7) Check below, and then press the “OK” button. The file system is set the NTFS. The A

L1E-EA02293 - 15 (9)Double click “EUBsys.exe” in Install folder, and then automatically create XP Embedded operating system im

L1E-EA02293 - 16(11) Press “Ctrl + Alt + Del” and select “Shutdown”   (12) Select the “shut down” and click the OK button.   (13) Push the ST

L1E-EA02293 - 17   (14) When the start screen appears, ( Approximately 5 Mins ) depress “Ctrl + Alt + E” key      Explorer of Windows XP Embedded is s

L1E-EA02293 - 18(16) Move the cursor to D drive on disk0 . press undo key and click the “Change drive letterand Paths..”.(17) Click the “Change “ butt

L1E-EA02293 - 19(19) Click the “Yes” button.(20) Click the “Yes” button and continue assignment of drive.(21)Confirm the drive letter is changed fro

 L1E-EA0229( 2 )4.5 CW Doppler Unit EZU-CW4 ...4 - 254.5.1 Gen

L1E-EA02293 - 20If following dialog is displayed during re-booting up , select the “Yes”.3.2.6.4 Action to be taken when harddisk crashes In case of H

L1E-EA02293 - 21[1] Procedure of System CD(1) Power on the ultrasound equipment.(2) Immediately insert System CD into the ultrasound scanner’s CD dr

L1E-EA02293 - 22(5) A dialog “Computer Management” appears.(6) Move cursor to Disk0 area and press UNDO key, then appear the followings dialog andse

L1E-EA02293 - 23(8) Recognized item of “Primary partition” and click “Next>” button.(9) Input “4096” (MB) for primary partition size and click “N

L1E-EA02293 - 24(12) Click “Finish” button.(13) Start D drive formatting and finish to 100%.(14) Move cursor to D drive and press UNDO key, and sel

L1E-EA02293 - 25(16) Move cursor to Disk0 unallocated area and press UNDO key, and select “Newpartition…” on menu.(17) Click “Next>” button.(18)

L1E-EA02293 - 26(20) Click “Finish” Button.(21) Create the free space in the back of D drive.(22) Move cursor to the free space area and press UNDO

L1E-EA02293 - 27(24) Select Logical drive and click “Next>” button.(25) Click “Next>” button. (Logical drive size is max.)(26) Recognized “F”

L1E-EA02293 - 28(28) Click “Finish” Button.(29) Start F drive formatting and finish to 100% and create area(30) Turn off diskmgmt.exe dialog, and c

L1E-EA02293 - 29A drive: Floppy Disk driveC drive: XP Embedded operating system and ultrasound programD drive: MO Disk drive (Option)F drive: Ultrasou

 L1E-EA0229( 3 )8.3 CW Unit EZU-ST5, EZU-CW4...8 - 168.6.1 CW PCB..

L1E-EA02293 - 303.2.7 Others of “Service Tools”Functions of (1) ~ (11) of “Service Tools” shown in the figure below:(1) “Guide line” : Refer to the

L1E-EA02293 - 313.2.6 Displaying the error log.(1) Start the “Service tool” .(Refer to 3.2.1 (1),(2),(3).(2) Click the Event Viewer button in dialog

L1E-EA02293 - 324099 Error Backup error.12289 Error No Dus file of the probe selected.12290 Error Dus file decompression failed.12291 Error Dus file e

L1E-EA02293 - 3320523 Error USSYNC RAM data is wrong.20524 Error STCW PCB configuration error.20673 ErrorWinDriver open werror20674 Error EPI PCB is n

L1E-EA02293 - 34３．２．７．２ Executing check program,(1) Start “Service Tools”. --- See 3.2.1 (1), (2) and (3)(2) Start “Service Tools”. --- See 3.2.1 (1

L1E-EA02293 - 35 　　　１）　RAM TestClick the “Execute” button to check the memory. Boards to be checked are DBF, EPI,MAP1 and MAP2 PCB. The result of

L1E-EA02293 - 36 he image mode in advance.button action recommended modeFixed Displaying gradation pattern B modeLattice Displaying the lattice

L1E-EA02293 - 37NOTICE: After completing the check, close the dialog and click the “Close” button in “ServiceTools” to display the following message.

L1E-EA02293 - 38The following details display and operations:Item Explanation①　CH slide barSelects No. of any element to be checked. No. of the ele

L1E-EA02293 - 393.2.8 Cautions in replacing EPI PCB(1) When replacing the EPI PCB, be sure to turn off the breaker switch located at left side ofthe s

L1E-EA02291 - 1Section 1 Introduction1.1 Product OverviewOverviewOverviewOverviewOverviewEUB-5500 is a compact ultrasound scanner with multiple fun

L1E-EA02293 - 403.2.9 Backup batteryEUB-5500 is provided with the backup battery inside the equipment, which backs updata such as date and time and so

L1E-EA02293 - 413.2.10 Replacing the backup battery(1) Remove the covers. (2) Disconnect cables, loose M4 screws and withdraw the PC unit. (3)

L1E-EA02294 - 1Section 4 Principle of Operation4.1 System Block of EUB-5500Fig. 4.1.1 shows the system block diagram of EUB-5500.★ EUB-5500 uses many

L1E-EA02294 - 22. KB & KBIFInterfaces each key and switch on the control panel with the PC unit.Also controls turning on LED.3. PRBSWA section t

Fig. 4.1.1Fig. 4.1.1Fig. 4.1.1Fig. 4.1.1　　　　EUB-EUB-EUB-EUB-5500550055005500 BLOCK BLOCK BLOCK BLOCK DIAGRAMDIAGRAMDIAGRAMDIAGRAML1E-EA02294 - 3PCI

L1E-EA02294 - 44.2.2 PRBSW unit circuit descriptionPRBSW unit is divided into the following 7 blocks.1. PROBE CONNECT (Probe connector block) (PRB

T/R DIV PREAMPTGCAMPPROBECONNECTT_AMPＲｅｃｅｉｖｅ Ｓｉｇｎａｌ Ｔｏ DBFRReecceeiivvee LLiinneeTTrraannssmmiitt LLiinneeTransmit wave signalFrom DBFSEL_SWRELAYP

L1E-EA02294 - 64.2.3 DBF PCB circuit descriptionDBF PCB is divided into the following 4 blocks.1. Digital Beam Former ASIC (Transmit/Receive beam fo

L1E-EA02294 - 7Fig.4.2.3 DBF P.C.B. Block DiagramSRAMforReceivingSRAMforTransmissionDigitalBeamDigitalBeamDigitalBeamASICControllerSRAMfor MixingADCD

L1E-EA02294 - 8 4.2.4 EPI board circuit explanation EPI Board consists of next 14 blocks.1. P/S Conv.（Parallel Serial Conversion）The Parall

L1E-EA02291 - 21.2 System Specification1. Probe(1) Convex type : 2.0 ~ 10MHz(2) Linear type : 2.5 ~ 13MHz(3) Phased array type : 2.0 ~ 7.5MHz2. I

L1E-EA02294 - 910. PCI BridgeIt connects EPI Board to the PCI bus of the system PC section.11. sPCI BridgeIt connects EPI Board to the DBF and BIO Boa

L1E-EA02294 - 10PCI-Bridge2424from DBFUSRF-IUSRF-Q242433333333MHz 32bit PCI-BusMHz 32bit PCI-BusMHz 32bit PCI-BusMHz 32bit PCI-Busto MAP8TCIATCIBFPGAF

L1E-EA02294 - 11. 4.2.5 MAP PCB circuit description 4.2.5.1 General DescriptionMAP PCB is divided into the following 6 blocks.These 6 Blocks are p

L1E-EA02294 - 125. CFMDSCThis block performs image processing such as smoothing and SCC to CFM data, andconstructs a CFM image data by Scan Conversio

L1E-EA02294 - 13 4.2.5.3 Doppler CalculationA processing flow is shown in the following１． Decimates complex data２． Removes low frequency signal comp

L1E-EA02294 - 14 4.2.5.4 Color Doppler CalculationA processing flow is shown in the following１． Removes unnecessary low velocity signal components f

L1E-EA02294 - 15 4.2.5.6 CFMDSCA processing flow is shown in the following１． Applies smoothing process by median filter or Convolutionfilter２． Appli

L1E-EA02294 - 16 4.2.5.7 BWDSCA processing flow is shown in the following１． Selects monochrome data or Doppler data and appliesenhance process.２． Ap

L1E-EA02294 - 17 4.2.6 KB & KBIF PCB description 4.2.6.1 KBProvides appropriate keystroke, key click and illumination by backlight LED as anco

L1E-EA02294 - 18Transmits data detected by key scan (OADG standard keys) to the system.(6) RS232C serial interfaceCommunicates with the system via th

6 L1E-EA02291 - 31.3 System OrganizationNOTE: 1) ECG cable and electrodes are included in the BIO unit EZU-EK25.2) Secure the peripheral devices to t

L1E-EA02294 - 19Fig. 4.2.5Fig. 4.2.5Fig. 4.2.5Fig. 4.2.5    Keyboard Unit Block DiagramKeyboard Unit Block DiagramKeyboard Unit Block DiagramKeyboard

L1E-EA02294 - 204.3 BIO Unit EZU-EK254.3.1 General and board descriptionComposition : EZU-EK25 is an option of EUB-5500 and consists of the following

L1E-EA02294 – 2112. Heart rate counter Counts the time between R-wave and next R-wave of ECG waveform and read itscounted value with CPU to mea

InstrumentationAmplifier Amplifier Volume FilterR-WAVEDetectorECG（３CH)ECG R-TrigECG signal（1)（2)（3)（4)（5)図４図４図４図４...３３３３...１１１１ BIO P.C.B. Block D

図４図４図４図４...３３３３...２２２２ BIO P.C.B. Block Diagram BIO P.C.B. Block Diagram BIO P.C.B. Block Diagram BIO P.C.B. Block Diagram 2 2 2 2　Analog partA/

L1E-EA02294 – 244.4 Steerable CW Doppler Unit EZU-ST54.4.1 General and board descriptionComposition : EZU-ST5 is an option of EUB-5500 and consists of

L1E-EA02294 – 254.5 CW Doppler Unit EZU-CW44.5.1 General and board descriptionComposition : EZU-CW4 is an option of EUB-5500 and consists of the foll

L1E-EA02294 – 26Fig. 4.5.1Fig. 4.5.1Fig. 4.5.1Fig. 4.5.1    EZU-STEZU-STEZU-STEZU-ST5555/CW/CW/CW/CW4444 Block Diagram Block Diagram Block Diagram Bl

L1E-EA02295 - 1Section 5 Power Unit5.1 General and Circuit DescriptionComposition: EUB-5500 power is composed of the following units.1. HM-071C : Ma

5 - 2 L1J-EA0229Fig5.1Fig5.1Fig5.1Fig5.1 POWER UNIT Block Diagram POWER UNIT Block Diagram POWER UNIT Block Diagram POW

6 L1E-EA02291 - 4１.4 Peripheral Device  Table 1.4-1 Recommended Peripheral DevicesManufacturer’s model, typePeripheral device ManufacturerNTSC (EIA)*

L1E-EA02295 - 35.2 Power Unit ConnectorsHM-071C : CN1 : Connector for the circuit breaker. CN2 : DC output connector for the analog unit

L1E-EA02295 - 4ConnectorNo.Pin No. Signal name OutputvoltageRemarkA1 +6.0 +6V Output for AWP PCBA2 ‐6.0 -6V Output for AWP PCBA3 +12Vp +12V Output for

L1E-EA02295 - 5ConnectorNo.Pin No. Signal name OutputvoltageRemarkA1 +12VB1 +12V-GND+12VA2、A3、B3 +30VA4、B2、B4 +30V-GND+30VOutput for HM-071KA5 +5VSB +

L1E-EA02295 - 6HM-071KPCBterminalconnectorNo.Signal name OutputvoltageRemark GND (PCBterminalconnector)1a∼1e2a∼2e+12V-GND -3a∼3e +12V -5a∼5e↓7a∼7e+30V

5 – 7 L1E-EA0229Fig5.2Fig5.2Fig5.2Fig5.2 POWER UNIT CONNECT Diagram POWER UNIT CONNECT Diagram POWER UNIT CONNECT Di

Table Table Table Table 5.1 Table of Power Supplies by Unit and PCB5.1 Table of Power Supplies by Unit and PCB5.1 Table of Power Supplies by

L1E-EA02296 - 1Section 6 Monitor Unit6.1 CompositionThe EUB-5500 monitor consists of the following unit.EZU-MT24-S16.2 Specification(1) Signal input

L1E-EA02296 - 2(9) Display : See belowStandardStandardStandardStandardWhen displaying externalWhen displaying externalWhen displaying externalWhen di

L1E-EA02296 - 3Fig. 6.1Fig. 6.1Fig. 6.1Fig. 6.1    Input Signal LevelInput Signal LevelInput Signal LevelInput Signal LevelbadefchiVERTICALlkjmHORIZON

L1E-EA02296 - 46.3 Installation6.3.1 Cautions in installing the monitorConvergence of the color monitor is affected from external induction magnetic

2 - 1 L1J-EA0229Section 2 Safety2.1 Classification of the EquipmentClassification of this ultrasound scanner by IEC60601-1 and UL2601-1 is as follows

L1E-EA02296 - 5To remove this dust periodically, use soft cloth moistened with silicone type glass cleaner.Never use thinner or the like instead of th

L1E-EA02296 - 6The 3-beam electron gun is arranged in line, so section of three electron beams is arrangedin line horizontally.Three electron beams em

L1E-EA02296 - 7High voltage is adjusted by VR105, and stabilized by switching of transistor (Q120) andcontrol circuit (IC108).If high voltage increase

L1E-EA02296 - 86.4.4.3 NTSC/PAL signal detection circuitConverts frequency of NTSC (fv: 60Hz) and PAL (fv: 50Hz) to voltage by the F/V converter(IC30

L1E-EA02296 - 96.4.8 Block diagramHorizontal deflection andhigh voltage circuitVertical deflection circuitPower circuitDG controlcircuitNTSC/PALsignal

L1E-EA02296 - 106.5 Adjustment6.5.1 List of adjusters(1) Front controller (AVB431)NameNameNameNameNo.No.No.No.Device No.Device No.Device No.Device N

L1E-EA02296 - 11(3) VIDEO board (AVB411)NameNameNameNameNo.No.No.No.Device No.Device No.Device No.Device No. SymbolSymbolSymbolSymbolFunctionFunction

L1E-EA02296 - 126.5.2 VR adjuster layout(1) Front controlsLayout of Front Control VRPOWER ON LEDCONTRAST VR(VR2)BRIGHTNESS VR(VR1)

L1E-EA02296 - 13(2) Upper controlsLayout of Upper Control VRH-HOLD (VR106)(Fixed with adhesive)P120 (VR100)(Fixed with adhesive)HV. ADJ (VR105)(Fixed

L1E-EA02296 - 14(3) Rear controlsLayout of Rear Control VRR DRIV(VR304)G DRIV(VR305)B DRIV(VR306)SUB BRT(VR303)R CUT OFF(VR302)G CUT OFF(VR301)B CUT