CNS-9701A CNS-9701J CNS-9701K CENTRAL MONITOR CNS-9701 0634-001842C
Model: CNS-9701 Manual code no.: 0634-001842C Reader Comment Card We welcome your comments about this manual. Your comments and suggestions help us improve our manuals. Please circle the number for each of the following statements corresponding to your evaluation and add comments in the space provided. Fax or send your completed comment card to: Fax: +81 (3) 5996-8100 International Div., Sales Promotion Section, Nihon Kohden Corp.
CONTENTS Contents GENERAL HANDLING PRECAUTIONS ......................................................................... i WARRANTY POLICY .................................................................................................... ii EMC RELATED CAUTION ............................................................................................ iii Conventions Used in this Manual and Instrument ......................................................... v Warnings, Cautions and Notes ...............
CONTENTS Safety ...................................................................................................................... 1.15 Dimensions and Weight ............................................................................................ 1.15 Panel Descriptions.............................................................................................................. 1.16 Central Monitor Main Unit MU-971RA/RJ/RK ........................................................... 1.
CONTENTS Laser Printer .................................................................................................. 2.25 Other .............................................................................................................. 2.25 Hard Disk Replacement Flow ............................................................................................. 2.26 How to Recover the BIOS Initial Settings .......................................................................... 2.
CONTENTS Cleaning the Thermal Array Head/Paper Sensor ....................................................... 4.25 Operation Check after Assembling the Recorder Unit .............................................. 4.25 Section 5 Maintenance ......................................................................... 5C.1 To Be Replaced Periodically ................................................................................................. 5.1 Maintenance Check Items and Schedule ........................
CONTENTS Section 9 Connector Pin Assignment ................................................ 9C.1 Sockets at the Rear of the Main Unit ................................................................................... 9.1 SOUND Socket .......................................................................................................... 9.1 TOUCH1/TOUCH2 Socket .......................................................................................... 9.1 VIDEO1/VIDEO2 Socket ..........................
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GENERAL HANDLING PRECAUTIONS This device is intended for use only by qualified medical personnel. Use only Nihon Kohden approved products with this device. Use of non-approved products or in a non-approved manner may affect the performance specifications of the device. This includes, but is not limited to, batteries, recording paper, pens, extension cables, electrode leads, input boxes and AC power. Please read these precautions thoroughly before attempting to operate the instrument. 1.
(3) Technical information such as parts list, descriptions, calibration instructions or other information is available for qualified user technical personnel upon request from your Nihon Kohden distributor. 9. When the instrument is used with an electrosurgical instrument, pay careful attention to the application and/or location of electrodes and/or transducers to avoid possible burn to the patient. 10.
EMC RELATED CAUTION This equipment and/or system complies with the International Standard IEC 60601-1-2 for electromagnetic compatibility for medical electrical equipment and/or system. However, an electromagnetic environment that exceeds the limits or levels stipulated in the IEC 60601-1-2, can cause harmful interference to the equipment and/or system or cause the equipment and/or system to fail to perform its intended function or degrade its intended performance.
In IEC 60601-1-2 Medical Electronic Equipment, Part 1: General Requirements for Safety, 2. Collateral Standard: Electromagnetic compatibility-Requirements and test. Section 36. 202. 2 Radiated radiofrequency electromagnetic fields, PATIENT COUPLED EQUIPMENT and/or SYSTEMS applicable IMMUNITY test methods are under consideration at SC62A/WG13.
Conventions Used in this Manual and Instrument Warnings, Cautions and Notes Warnings, cautions and notes are used in this manual to alert or signal the reader to specific information. WARNING A warning alerts the user to possible injury or death associated with the use or misuse of the instrument.
On Screen Symbol Description Symbol Description Overview Adjust setting/Scroll data Help Alarm Print Stop Speaker Delayed recording start Electrocardiogram Print mark/Print Alarm suspend/silence with remaining minutes at the central monitor Menu (System Setup) Alarm suspend at the transmitter Previous All alarm off, vital sign alarm off All Beds Alarm recording off Deletion mark QRS sync mark Close a window On VL-971R/RK LCD unit Symbol Description Symbol Description Attention, c
Section 1 General Introduction ......................................................................................................................... 1.1 General Information on Servicing ........................................................................................ 1.2 Service Policy, Service Parts and Patient Safety Checks ................................................... 1.4 Service Policy .....................................................................................................
Environment ............................................................................................................ 1.15 Electromagnetic Compatibility ................................................................................. 1.15 Safety ..................................................................................................................... 1.15 Dimensions and Weight ........................................................................................... 1.15 Panel Descriptions..
1. GENERAL Introduction This service manual provides useful information to qualified service personnel to understand, troubleshoot, service, maintain and repair the CNS-9701A/J/K Central Monitor (referred to as “monitor” in this service manual). All replaceable parts or units of this monitor and its optional units are clearly listed to help you locate the parts quickly. The “Maintenance” section in this service manual only describes the maintenance that should be performed by qualified service personnel.
1. GENERAL General Information on Servicing Note the following information when servicing the monitor. WARNING To avoid the possibility of injury to yourself or damage to the monitor, do not install or remove any component while the power is on. When disassembling, make sure that the monitor is turned off and the power cord is disconnected from the monitor and AC outlet. There is a high voltage circuit on the power unit.
1. GENERAL Environmental Safeguards Depending on the local laws in your community, it may be illegal to dispose of the lithium battery in the regular waste collection. Check with your local officials for proper disposal procedures. Disinfection and cleaning To disinfect the outside surface of the monitor, wipe it with a nonabrasive cloth moistened with any of the disinfectants listed below. Do not use any other disinfectants or ultraviolet rays to disinfect the monitor.
1. GENERAL Service Policy, Service Parts and Patient Safety Checks Service Policy Our technical service policy for this monitor is to replace the faulty unit, board or part or damaged mechanical part with a new one. Do not perform electrical device or component level repair of the multilayer board or unit.
1. GENERAL Important Safety Information General WARNING • Never use the central monitor in the presence of any flammable anesthetic gas, concentrated oxygen or hyperbaric oxygen. Failure to follow this warning may result in explosion. • Never use the central monitor in a high-pressure oxygen medical care tank. Failure to follow this warning may cause explosion or fire. • Do not install any software other than specified by Nihon Kohden and run it in the central monitor.
1. GENERAL Installation WARNING Install the central monitor and external instruments outside the patient environment (IEC 60601-1-1 2.204). If they are installed inside the patient environment, the patient or operator may receive electrical shock. For installation, contact your Nihon Kohden distributor or representative. CAUTION • Only use the provided power cord. Using other power cords may result in electrical shock or other injury to the patient and operator.
1. GENERAL Network WARNING • Connect the central monitor to the network as specified in the Network and System Installation Guide. Otherwise the patient and operator may get electrical shock or other injury. For connecting the network, contact your Nihon Kohden distributor or representatives. • Check the software version number of the monitor before connecting it to the network. Different software versions have different communication methods.
1. GENERAL Turning the Power On/Off WARNING • Do not turn off the display to which the sound cable is connected. Otherwise there is no alarm sound. • Do not adjust the sound volume at the display unit. If you decrease the display unit volume to the minimum, there is no alarm sound. • When monitoring with two displays, do not turn off either display. Otherwise some monitored beds cannot be monitored. CAUTION • Follow the specified procedure to turn off the central monitor.
1. GENERAL Temporary Discharge WARNING When a temporarily discharged patient comes back, resume monitoring for the patient. During temporary discharge, there is no display of measurement values, alarm function and data saving. Patient Transfer CAUTION • Keep the original bedside monitor and the destination bedside monitor power on and connected to the network until the transfer completes. Otherwise transfer fails and the data is lost.
1. GENERAL ECG Monitoring CAUTION • If there is any doubt about the arrhythmia analysis, make the central monitor relearn the patient’s VPC. Otherwise, an important arrhythmia may be overlooked. • The central monitor does not perform ECG analysis. Therefore, the QRS sound at the central monitor may not synchronize with patient’s actual QRS when complicated arrhythmias occur or during pacing. • The ST level transmitted from a transmitter is not designed to be accurate enough for diagnosis.
1. GENERAL Maintenance CAUTION • Before maintenance (inspection, cleaning, disinfection), turn the central monitor power off and disconnect the power cord from the AC outlet. Otherwise the operator may receive electrical shock or the central monitor may malfunction. • Do not disassemble or repair the central monitor. Disassembly and repair must be performed by qualified service personnel. • Software upgrade must only be done by qualified service personnel or a person with technical knowledge.
1. GENERAL Specification Display Number of patients on the display Number of transmitters Display type Waveform display method Number of waveform traces Sweep speed Sweep time 16 patients max With overview bed function, 16 patients plus one other patient. 16 transmitters max 18 inch color TFT Non-fade, fixed method Single display: 24 traces max (On the All Beds screen, displaying 12 patients) Dual display: 32 traces max (On the All Beds screen, displaying 16 patients) 25 mm/s, 50 mm/s, 6.
1. GENERAL Alarm display Alarm occurrence Alarm suspend Alarm silence Alarm recording Trend Arrhythmia: ASYSTOLE, V FIB, V TACHY, EXT TACHY, EXT BRADY, VPC RUN, COUPLET, MULTI FORM, EARLY VPC, BIGEMINY, TACHY, BRADY, PROLONGED RR, FREQ. VPC Apnea Highlighted numeric display, highlighted message for arrhythmia Alarm occurs when any one of the bedside monitors that the central monitor are monitoring generates alarm.
1. GENERAL Full disclosure data (only when the QP-973P Full Disclosure Filing Program Kit is installed.) ECG 12Lead analysis result filing (only when the QP-974P 12 Lead ECG Interpretation Filing Program Kit is installed.
1. GENERAL Environment Electromagnetic Compatibility Operating temperature Operating humidity Operating atmospheric pressure 10 to 35°C 30% to 80% (no condensing) 70 to 106 kPa Storage temperature Storage humidity Storage atmospheric pressure −20to +60°C 20% to 90% (no condensing) 70 to 106 kPa MU-971RJ/RK main unit: EMI EN55022 C Class B Immunity EN55024 1998 IEC-60601-1-2 1993 VL-971R/RK LCD Unit Safety MU-971RA/RJ/RK main unit Safety standard IEC60950 3rd Ed.
1. GENERAL Panel Descriptions Central Monitor Main Unit MU-971RA/RJ/RK WARNING While the central monitor is on, do not insert any CD-ROM or floppy disk into it. Nihon Kohden does not warrant the normal operation of the central monitor in the case that an application or software installation starts automatically. CAUTION While the central monitor is on, do not touch unused sockets. Failure to follow this caution may damage the monitor by static electricity and may cause malfunction.
1. GENERAL NOTE Rear Panel • Do not remove the covers from the unused sockets on the rear panel of the central monitor main unit. • Do not touch the sockets on the rear panel of the main unit or cables around the sockets. Otherwise, static electricity may cause malfunction of the monitor.
1. GENERAL LCD Unit VL-971R/RK WARNING Do not turn off the display to which the sound cable is connected. Otherwise alarm sound does not occur. Front Rear Touchscreen display DC IN socket Connects to the AC adapter cord Menu/Select M Up/Right AC adapter (100 to 240 V) Connects to a UPS via the power cord provided with the display unit. Video Source S Down/Left Power switch Turns on ( ) or off ( ) the LCD unit. Under normal conditions keep this switch turned on.
1. GENERAL Recorder Unit WS-971R POWER lamp Lights when the power is on. CHECK RECORDER lamp Lights when communication between the recorder unit and central monitor is disconnected or when there is abnormality in the recorder unit. Paper magazine release lever Press to open the magazine. Paper magazine Contains the recording paper. Fuse holder Two fuses (1A) are contained. Fuse must be replaced by qualified service personnel. Power switch Turns the power ON ( ) or OFF ( ). Usually, keep the power ON.
1. GENERAL Composition CNS-9701A CNS-9701J CNS-9701K MU-971RA MU-971RJ MU-971RK Central monitor main unit for A version Central monitor main unit for J version Central monitor main unit for K version VL-971R VL-971RK LCD unit (Option) WS-971R Recorder unit (Option) Options 1.
1. GENERAL Connection Diagram Keyboard Mouse LCD unit (VL-971R/RK) Central monitor main unit (MU-971RA/RJ/RK) Recorder unit WS-971R AC adapter UPS Protection key Laser printer To the AC outlet on the wall To the Grounding terminal on the wall To network system Service Manual CNS-9701 To the AC outlet on the wall and equipotential grounding system 1.
1. GENERAL When using two displays Main display Sub display LCD unit (VL-971R/RK) Central monitor main unit (MU-971RA/RJ/RK) 1.
Section 2 Troubleshooting General ................................................................................................................................ 2.1 System ................................................................................................................................ 2.3 Network ............................................................................................................................... 2.4 Measurement Value ..............................................
Other ............................................................................................................. 2.25 Hard Disk Replacement Flow ............................................................................................ 2.26 How to Recover the BIOS Initial Settings ......................................................................... 2.27 BIOS Default Setting (Vorax5000) ................................................................. 2.28 BIOS Default Setting (Vorax5001) .........
2. TROUBLESHOOTING General Use the troubleshooting tables to locate, identify, and solve a problem in the instrument. The problems are divided into general problem areas. Each category has its own troubleshooting table for fast and easy troubleshooting.
2. TROUBLESHOOTING How to use the troubleshooting table 1. Determine which troubleshooting table to use. 2. In the “Problem” column, find the trouble item that matches the problem. 3. Do the action recommended in the “Action” column. 4. If the problem is not solved, do the action for the next possible cause or criteria. 5. If none of the actions solve the problem, contact your Nihon Kohden representative. 2.
2. TROUBLESHOOTING System Trouble The touch screen keys do not function. Possible Cause/Criteria The pressed position and activated position do not match. Action Reboot the display with the following procedure. 1. Confirm the cable connection for the touch screen. 2. Turn off the LCD display and then turn it on again. 3. Perform touch screen initialization and calibration at the Touchscreen Setting window of the System Setup.
2. TROUBLESHOOTING Trouble Data is deleted when the central monitor power is turned off. Possible Cause/Criteria Action Faulty hard disk Contact your Nihon Kohden distributor or representative. The central monitor may lose its function as a monitor. Clock error Contact your Nihon Kohden distributor or representative. The system crashes when trying to review the past data. The system crashes periodically such as once a day.
2. TROUBLESHOOTING Measurement Value Trouble Heart rate is not counted correctly. Possible Cause/Criteria Waveform too large or too small Action Adjust the QRS detection sensitivity. QRS detection threshold is changed. QRS and pacemaker spikes are not distinguished. Turn pacing detection ON. QRS detection is set to “Manual”. Set QRS detection to “Auto”, or confirm that the QRS detection lead and threshold in manual detection are set properly. Arrhythmia is not measured correctly.
2. TROUBLESHOOTING Admitting/Discharging Trouble Possible Cause/Criteria Cannot transfer a patient’s data. You are trying to do this operation on a central monitor where the patient’s data is not saved. Do this on the central monitor where the patient’s data is saved. You are trying to do this operation on a central monitor where the patient’s data is not saved. Do this on the central monitor where the patient’s data is saved. The bedside monitor is turned off. Turn on the bedside monitor.
2. TROUBLESHOOTING All Beds Screen/Individual Bed Screen Trouble Possible Cause/Criteria Action Numeric data and messages disappear for a moment. The display is refreshed. This is normal. Waveform is not displayed. The bed is discharged. Admit the patient. The bed is set to temporary discharge. Resume monitoring. The bedside monitor or the multiple patient receiver is turned off. Turn on the bedside monitor or the multiple patient receiver.
2. TROUBLESHOOTING Trend Window Trouble Possible Cause/Criteria Action Trend data is not displayed. The central monitor where the bed’s data is saved is turned off. Turn on the central monitor where the bed’s data is saved. Trend data is not saved. The central monitor where the bed’s data is saved was turned off during measurement. Trend data is not created when the central monitor where the bed’s data is saved is turned off.
2. TROUBLESHOOTING Arrhythmia Recall Window Trouble Possible Cause/Criteria Action Arrhythmia recall files are not created. The arrhythmia analysis is set to OFF. Turn the arrhythmia analysis to ON. Arrhythmia recall files for a particular arrhythmia are not created Recall file creation for the arrhythmia is set to OFF. Turn the setting to ON. Arrhythmia recall files for unnecessary arrhythmias are created. Recall file creation for the arrhythmia is set to ON. Turn the setting to OFF.
2. TROUBLESHOOTING Full Disclosure Window Trouble Full disclosure waveform is not displayed. Possible Cause/Criteria Action The central monitor where the bed’s data is saved is turned off. Turn on the central monitor where the bed’s data is saved. The QP-973P Full Disclosure Filing Program Kit is not installed. Install the QP-973P Full Disclosure Filing Program Kit. The QP-973P Full Disclosure Filing Program Kit is not installed in the central monitor where the bed’s data is saved.
2. TROUBLESHOOTING Report Window Trouble Report printing starts automatically. Possible Cause/Criteria The report printing mode is set to “Auto”. Action Set the mode to “Manual”. Recording Trouble In the following recordings, waveforms that you do not want to record are recorded. Possible Cause/Criteria Action Waveforms displayed on the All Beds screen are recorded.
2. TROUBLESHOOTING Overview Bed Screen Trouble Possible Cause/Criteria Action Some waveforms are not displayed. When the individual bed screen of a patient is displayed on a central monitor that is connected to a multiple patient receiver or a signal exchanger, some of the patient waveforms cannot be displayed on the Overview Bed of another central monitor. Display the All Beds screen at the central monitor that saves the data of the bedside monitor you want to display.
2. TROUBLESHOOTING To replace the board or unit with a new one, refer to Section 4 “ Disassembly and Assembly”. Power Problem Problem - When the main unit is turned on, the power lamp on the front panel does not light. - When the display unit is turned on, the LCD does not light. - The main unit or display unit frequently turns itself off. In power failure, the UPS does not cover the power requirement of the central monitor.
2. TROUBLESHOOTING Display Problem CAUTION To replace the hard disk with a new one, refer to “Hard Disk Flow” in this section and “Replacing the Hard Disk” in Section 4 “Disassembly and Assembly”. Problem The “NO SIGNAL” message appears on the black screen of the display unit. Action The RGB cable has poor contact between the display unit and main unit. Disconnect the RGB cable and firmly connect the RGB cable between them. The RGB signals are not output from the graphic board in the main unit.
2. TROUBLESHOOTING Problem Possible Cause Action - The display color balance has something wrong. A failure of the display unit* or graphic board of the main unit. Replace the defective board*3 with a new one. - The screen background color is not black. Internal break in the RGB cable Check the continuity with a multimeter. Replace the cable with a new one if the cable has a break. Adjustment*1 of the display unit is required. Adjust the display unit according to "Adjustment" section.
2. TROUBLESHOOTING Touch Screen Problem Problem The touch screen does not work. Possible Cause Action The RS232C straight cable has poor contact between the display unit and main unit. Check the continuity of the cable with a multimeter and check the connection. The touch screen control board has a failure. Replace the board with a new one. The touch screen is damaged. Replace the touch screen with a new one. The film cable of the touch screen has a break.
2. TROUBLESHOOTING Keyboard Problem Problem No keyboard keys work. Some keyboard keys do not work. Possible Cause Action The keyboard cable is loose at the socket on the main board. Disconnect the cable from the socket on the main board and connect the cable to the socket tightly. The keyboard cable is damaged. Replace the keyboard with a new one. Failure of the key switches. Replace the keyboard with a new one.
2. TROUBLESHOOTING CD-ROM Drive or Floppy Disk Drive Problem Problem Possible Cause Action The access lamp lights but the drive cannot read the data on a disk. The drive is dusty. Clean the drive with a cleaning disk or air compressor. The access lamp does not light during access and the drive cannot read the data on a disk. The drive has a failure. Replace the drive with a new one. After replacement, check that the new drive is recognized when the main unit is turned on.
2. TROUBLESHOOTING Error Messages Error messages are categorized into two types, messages sent from bedside monitors/multiple patient receiver and messages generated at the central monitor. Messages From Bedside Monitors/Multiple Patient Receiver Messages about Measurement Conditions of Each Parameter The central monitor receives error messages from bedside monitors and multiple patient receiver and displays them on the screen. Here is the message list.
2. TROUBLESHOOTING 2.20 Parameter SpO2 Message Module Failure Too Many Params Connector Off Probe Off Probe Disconnect Probe Broken No Pulse Light Interfer.
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2. TROUBLESHOOTING 2.22 Parameter SvO2 Message Module Failure Too Many Params Check Label OM2 Disconnected Check OM2 OM2 Failure Check OM2 Light OM2 Error Out of Range Auto Zero Calibration Error Parameter CCO Message Unit Failure Too Many Params Check Label Connector Off Check Catheter Catheter Location Meas Failure Com Error Alarm Standby Tb Out of Range Unstable Tb Signal Adapting CO<1.
2. TROUBLESHOOTING Parameter tcPO2/tcPCO2 Message Module Failure Com Error Alarm ConnectorOff Parameter Message Module Failure Too Many Params Check Label Connector Off Check Sensor DSC Failure Com Error Alarm Imp.
2. TROUBLESHOOTING Other Trouble SIGNAL LOSS Possible Cause/Criteria Weak electric field strength of a wireless telemeter. Action Check the followings: • Remaining charge of the transmitter battery • Transmitter antenna lead condition • Distance between the multiple patient receiver and transmitter BATTERY Weak transmitter battery CALL The CALL button on the transmitter was pressed. --- MONITOR OFF The selected bedside monitor power is OFF or is disconnected from the network.
2. TROUBLESHOOTING Messages From Central Monitor WS-971R Recorder Unit Trouble Possible Cause/Criteria Action RECORDER DOOR OPEN The recorder unit door is not closed completely. Close the door completely. RECORDER OUT OF PAPER No recording paper in the recorder unit. Set recording paper in the recorder unit. The recorder unit is disconnected. Connect the recorder unit. The recorder unit is turned OFF. Turn the recorder unit power ON.
2. TROUBLESHOOTING Hard Disk Replacement Flow When you order a new hard disk for replacement, the new hard disk has the OS (Windows 2000) and central monitor system program installed at the factory. Therefore, you do not have to install these. Replace the old hard disk with the new one according to the following procedure. 1. Write down the following settings. - IP address of the personal computer used as the central monitor main unit.
2. TROUBLESHOOTING 12. Install the network printer drive into the central monitor under Windows 2000. Refer to “Installing the Laser Printer (Network Printer)” in Section 8 “Network Settings”. 13. Assign the central monitor name under Windows 2000 and assign the group name under the central monitor system program if necessary. Refer to “Assigning the Group Name and Bed Name” in Section 8 “Network Settings”. 14.
2. TROUBLESHOOTING BIOS Default Setting (Vorax5000) The BIOS setting may differ depending on the production lot. Drive A Drive B VIDEO HALT On Current date and time AUTO (Indicates the recognized hard disk model) AUTO (Indicates the recognized hard disk model) AUTO (IDE Secondary Master) AUTO (Access mode) AUTO (IDE Secondary Master) AUTO (Access mode) 1.44 MB 3.
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2. TROUBLESHOOTING PnP Configurations Reset Configuration Data Resources Controlled by PCI/VGA Palette Snoop Assign IRQ For VGA Assign IRQ For USB Disable Auto (ESCD) Disabled Enable Enable PC Health Status Shut down Temperature Disabled PASSWORD - None BIOS Default Setting (Vorax5001) The BIOS setting may differ depending on the production lot.
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2. TROUBLESHOOTING 2.32 PnP/PCI Configuration Reset Configuration Data Resources Controlled By PCI/VGA Palette Snoop Disabled Auto (ESCD) Disabled PC Health Status Shutdown Temperature Disabled CPU/PCI Clock Control Spread Spectrum Fixed AGP/PCI Freq. CPU Clock Memory Frequency For DRAM Timing Selectable CAS Latency Time Active to Precharge Delay DRAM RAS# to CAS# Delay DRAM RAS# Precharge Disabled Disabled 133 Auto Manual 2.
Section 3 Board/Unit Description Power Supply Unit (by NIPRON) ......................................................................................... 3.1 Motherboard (by A-OPEN) ................................................................................................... 3.1 CPU (1 GHz Pentium 3 or 2.4 GHz Pentium 4) Box ............................................................ 3.1 256 MB Memory DIMM S-DRAM or DDR266 ...................................................................... 3.
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3. BOARD UNIT/DESCRIPTION Power Supply Unit (by NIPRON) The power supply unit accepts AC line voltages of 100 to 240 V AC. The fan in the power supply unit automatically changes the rotation speed according to the temperature of the power supply unit. Motherboard (by A-OPEN) The motherboard has the following functions. CPU socket for the CPU (1 GHz Pentium 3 or 2.
3. BOARD/UNIT DESCRIPTION 256 MB Memory DIMM S-DRAM or DDR266 One chip 256 MB memory for working area is used. In future, a compatible memory which has more working area may be used. 40 GB Hard Disk (by IBM) An IBM hard disk with IDE interface is used. A compatible hard disk which has more data storage may replace the current hard disk in future. CD-ROM Drive (by SAMSUNG) A CD-ROM drive with IDE interface is used. Graphic Board RADEON 32 or RADEON 7000 (by ATI) The graphic board has a PCI interface.
3. BOARD UNIT/DESCRIPTION PC Chassis IW-V500 or IW-V500G The front panel, right and left side panels and top cover are included in the chassis. Note that the labels on these panels are not included in the chassis. Fan for Chassis A silent type fan is used. The size is 80 mm square. The current fan may be replaced with a compatible one in future. Mouse A Microsoft PS-2 mouse is used. If you use a third party mouse of lower quality, the mouse may cause a problem. Therefore, use the recommended mouse.
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Section 4 Disassembly and Assembly Before You Begin ................................................................................................................. 4.1 Warnings and Caution ................................................................................................ 4.1 Required Tools ........................................................................................................... 4.1 Disassembling the Main Unit ................................................................
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4. DISASSEMBLY AND ASSEMBLY The procedures in this section tell how to remove, replace and install the major components in the instrument. Before You Begin Removing, replacing and installing the major components should be done by qualified service personnel. Warnings and Caution WARNING • To avoid the possibility of injury to yourself or damage to the instrument, do not install or remove any component or change the internal switch settings while the power is on.
4. DISASSEMBLY AND ASSEMBLY Disassembling the Main Unit Before performing the following procedure, shut down the main unit according to the operator’s manual and disconnect the power cord from the main unit. Replacing the Motherboard 1. Remove the 2 screws which secure the side panel to the main unit. Remove the side panel from the main unit. -240 Remove the 2 screws which secure the side panel to the main unit.
4. DISASSEMBLY AND ASSEMBLY 2. Remove the 3 screws which secure the 2 graphic boards and serial interface board to the chassis. Remove the 3 boards from the main unit. 3. Remove the screw which secures the disk case to the chassis as shown below. 4. Disconnect the flat cable between the hard disk and motherboard. At the motherboard, disconnect the floppy disk drive flat cable.
4. DISASSEMBLY AND ASSEMBLY 5. Disconnect each power supply cable from the hard disk and floppy disk drive. 6. Remove the disk case from the main unit by pulling the hook of the disk case and sliding the hook rearward as shown below. NOTE in Assembling the Main Unit To attach the disk case to the main unit, continue pulling the hook and slide it in the hole of the chassis frontward until the hook clicks. 7. 4.4 Disconnect the power supply cable from the motherboard.
4. DISASSEMBLY AND ASSEMBLY 8. Power switch Reset switch Power LED Black White White Disconnect the connection cable from the front panel which has the power switch, power indicator, hard disk operation indicator and reset switch. Green Orange White White Red Hard disk operation LED 9. Disconnect the following cables from the motherboard. - CD-IN cable which connects to the CD drive. - FAN1 cable which connects to the fan on the rear panel.
4. DISASSEMBLY AND ASSEMBLY 10. Remove the 6 screws which secure the motherboard to the chassis. Remove the motherboard from the main unit. NOTE in Assembling the Main Unit To attach the motherboard to the main unit, tighten the 6 screws while pushing the motherboard to the rear panel until the 6 holes of the motherboard match the screw holes of the chassis. 11. Depress the white hooks which fasten the DIMM board to the socket. Remove the DIMM board from the motherboard.
4. DISASSEMBLY AND ASSEMBLY NOTE in Assembling the Main Unit To attach the CPU fan to the motherboard, latch the 2 short hooks of the CPU fan on the heat sink and press the other 2 long hooks of the CPU fan to the heat sink. Long hook Short hook Short hook Long hook 14. Pull up the green lever for fastening the heat sink. Insert a small flat-blade screwdriver between hook 2 of the green lever and the CPU socket and release the hook by rotating the screwdriver.
4. DISASSEMBLY AND ASSEMBLY 15. Pull the lever of the CPU socket upward and remove the CPU from the motherboard. NOTE in Assembling the Main Unit To attach the CPU to a new motherboard, check the correct direction of the CPU as shown below. 16. Replace the motherboard with a new one. Check that the new motherboard has the same jumper settings as the old one as shown below. Assemble the main unit by reversing the above procedure.
4. DISASSEMBLY AND ASSEMBLY 13. Release the 4 hooks of the CPU fan by pulling the 2 levers near the CPU fan upward. Remove the CPU fan and heat sink from the motherboard. Lever Lever NOTE in Assembling the Main Unit To attach the CPU fan to the motherboard, check the following. - Appropriate volume of silicone grease is on the bottom of the heat sink which faces the top of the CPU. - The 2 levers near the CPU fan are pulled upward.
4. DISASSEMBLY AND ASSEMBLY Replacing the Lithium Battery on the Motherboard After removing the motherboard from the main unit according to the “Replacing the Motherboard” section, replace the lithium battery with a new one. CR-2032 Lithium Battery (3 V): 372321A This battery allows the memory for the BIOS setting to keep the setting data and allows the real time clock IC to update the date and time while the main unit is turned off.
4. DISASSEMBLY AND ASSEMBLY 4. Put the JP14 jumper back to the original position (pins 1 and 2). Connect the power supply cable to the motherboard and assemble the main unit. 5. Turn on the main unit and display unit. The self-check program runs. Press the Delete key on the keyboard while the self-check program is running. The BIOS setting screen appears. 6.
4. DISASSEMBLY AND ASSEMBLY - Fan attached to the video IC on the graphic board Remove the graphic board from the main unit according to “Replacing the Motherboard” steps 1 to 2. Remove the screw which secures the fan to the heat sink for video IC and replace the fan with a new one. Replacing the Floppy Disk Drive Remove the screw which secures the drive to the disk case and replace the the drive with a new one.
4. DISASSEMBLY AND ASSEMBLY Disassembling the Optional VL-971R Display Unit To disassemble the display unit, the following tools are necessary. - Replacing the LCD Assembly Phillips screwdriver for 3 mm in dia. screw Phillips screwdriver for 4 mm in dia. screw Hex socket driver for 1/4 inch (6.2 mm) nut 1. Put the display unit face down on a table. The table must be covered with a clean, soft and smooth cloth to avoid damaging or making the screen dirty. 2. Remove the 12 screws (3 mm in dia.
4. DISASSEMBLY AND ASSEMBLY 4. Remove the 12 nuts which secure the LCD assembly to the display unit chassis. 5. Slightly pull the LCD assembly upward and disconnect the digital RGB flat cable and power supply cable at the LCD assembly. Remove the LCD assembly from the display unit. The LCD assembly contains the LCD, backlight lamp and inverter for backlight lamp. These parts cannot be replaced individually. The entire LCD assembly is the minimum replaceable unit.
4. DISASSEMBLY AND ASSEMBLY Removing the Display Unit Chassis 6. Remove the 4 screws (3 mm in dia.) and 6 screws (4 mm in dia.) which secure the chassis to the rear cover. Refer to the following CAUTION. Lower edge of the chassis CAUTION If the display unit has a separate wire from the power supply cable for the inverter, cut the wire to separate the chassis from the rear cover. When assembling the display unit, solder the cut wire together. 7.
4. DISASSEMBLY AND ASSEMBLY The following picture shows the cables which must be connected to the corresponding boards or assembly when you assemble the display unit. Refer to the cable list and partial connection diagram as shown below.
4. DISASSEMBLY AND ASSEMBLY CAUTION in Assembling the Display Unit Check that the following three things are performed when assembling the display unit. Touch screen flat cable To connect the touch screen flat cable to the touch screen control board, align the red line of the flat cable and the pin No. 1 of the socket on the board. Pin No.
4. DISASSEMBLY AND ASSEMBLY Ground wire from the base A ground wire (green/yellow) which comes from the base must be connected to the chassis with the screw (4 mm in dia.) as shown below. Ground wire 8. Replace the boards or speakers if necessary. Refer to the following connection diagram. 9. Assemble the display unit by reversing the above procedure.
4. DISASSEMBLY AND ASSEMBLY Replacing the Touch Screen When replacing the touch screen with a new one, the following parts should also be replaced with new ones. - Front cover: 1 pc. Plastic bracket for positioning of touch screen: 4 pcs. 1. Glue the 4 plastic brackets on the front cover to properly position the touch screen on the front cover. 2. Attach the touch screen to the front cover with two-sided tape* so that the touch screen is surrounded by the 4 brackets as shown below.
4. DISASSEMBLY AND ASSEMBLY Disassembling the Optional WS-971R Recorder Unit Removing the Recorder Sub Assy 1. Remove the 4 screws which secure the rubber feet to the bottom of the recorder unit. 2. Hold the front panel and slide the enclosure backward. Remove the enclosure from the recorder unit. The inner block appears. 3. Open the paper magazine with the paper magazine release lever. There are 2 screws which secure the recorder sub assy to the recorder chassis through the bracket.
4. DISASSEMBLY AND ASSEMBLY 4. Pull the recorder sub assy toward you until you can see 2 screws at the bottom of the recorder sub assy. 5. Remove the 2 screws which secure the paper tray to the recorder sub assy and remove the paper tray from the recorder sub assy. 6. Disconnect the flat cable between the recorder sub assy and RS232C interface board. Remove the recorder sub assy from the recorder unit. Removing the AC Inlet Socket 1.
4. DISASSEMBLY AND ASSEMBLY Removing the RS232C Interface Board 1. Remove the AC inlet socket from the recorder unit according to the “Removing the AC Inlet Socket”. 2. Remove the screw which secures the RS232C interface board to the recorder chassis. 3. Remove the board from the recorder unit. Removing the Power Supply Unit 1. Remove the AC inlet socket from the recorder unit according to the “Removing the AC Inlet Socket”. 2.
4. DISASSEMBLY AND ASSEMBLY Replacing the LED 1. Remove the enclosure from the recorder unit according to the “Removing the Recorder Sub Assy” steps 1 to 2. 2. Peel off the LED cover sheet on the upper part of the front panel. 3. Push the LED inward through the hole of the front panel and pull the LED rearward. 4. Cut the middle of the LED lead wire soldered to the RS232C interface board. 5. Replace the LED with a new one.
4. DISASSEMBLY AND ASSEMBLY Replacing the Platen Roller/Bushings/Gear 1. Open the paper magazine with the paper magazine release lever. The paper guide and assembly of the roller, bushings and gear are in the recorder sub assy. 2. Pull both edges of the roller guide outward as shown below and remove the paper guide from the recorder sub assy. Paper guide 3. Insert a small flat-blade screwdriver into the space between the gear and frame of the paper magazine as shown below.
4. DISASSEMBLY AND ASSEMBLY Cleaning the Thermal Array Head/Paper Sensor 1. Open the paper magazine with the paper magazine release lever. The thermal array head and paper empty sensor are in the recorder sub assy. Thermal array head Paper sensor 2. Clean the head and sensor with a cotton swab moistened with alcohol. CAUTION Since there is no adjustment which you can do, cleaning the thermal array head or paper sensor is the only thing you can do if the head or sensor has a problem.
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Section 5 Maintenance To Be Replaced Periodically ................................................................................................ 5.1 Maintenance Check Items and Schedule ............................................................................ 5.1 External and Connection ........................................................................................... 5.2 Display ..................................................................................................................
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5. MAINTENANCE To Be Replaced Periodically We recommend the periodic replacement of the following components according to the expected life span. NK Code No. Description Hard disk Expected Life Span Every 2 years (or 20,000 working hours if the working time is managed). If a defective sector is found on the hard disk within the one year, immediately replace it with a new hard disk. Fan for chassis Every 2 years (or 20,000 working hours if the working time is managed).
5. MAINTENANCE External and Connection Item Check Countermeasure against negative result Dust on the fans Check that there is no dust at the fan on the rear of the main unit and in the power supply unit. If the fans get dusty, remove the dust not only from the fans but also from the inside of the main unit. Crack or damage Check that there is no crack and damage on each unit and peripheral accessories. If there is a crack or damage, replace the cracked or damaged part with a new one.
5. MAINTENANCE Operation Item Check Countermeasure against negative result Mouse Check that the mouse operation is normal. If not, remove the cause. Keyboard Check that the keyboard operation is normal. If not, remove the cause. Touch screen Check that the touch screen operation is normal. If not, remove the cause. Calibration of the touch screen Check that the touch screen can be calibrated. Refer to "Calibrating the Touch Screen" in Section 2 "Troubleshooting".
5. MAINTENANCE Network Communication Item Communication between the central and bedside monitors Check Check that the monitored beds* which are registered in the "Monitored Beds" window on the System Setup screen are displayed on the All Bed screen. Countermeasure against negative result Remove the cause if one of the monitored beds is not displayed. *The bedside monitors must be turned on.
5. MAINTENANCE UPS Item Check Countermeasure against negative result Connection to the UPS Check that the power cords of the main unit, display unit and recorder unit are connected to the UPS. Refer to "Connection Diagram" in Section 1 "General". Connect the main unit, display unit and recorder unit to the UPS with each power cord. Disconnection from the UPS Check that the laser printer is not connected to the UPS. Do not connect the laser printer to the UPS.
5. MAINTENANCE Maintenance Check Sheet (Refer to the Maintenance section of the service manual for details.
5. MAINTENANCE UPS The power cords of the main unit, display unit and recorder unit are connected to the UPS The laser printer is not connected to the UPS. The line voltage within the range of ±10% is output from the UPS when the UPS power cord is disconnected from the mains voltage. The UPS battery is not expired. Safety The protective earth terminal of the UPS is grounded. Earth leakage current of the main unit is less than prescribed limits.
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Section 6 Adjustment Adjusting the VL-971R Display Unit ..................................................................................... 6.1 Automatic Adjustment ............................................................................................... 6.1 Manual Adjustment ................................................................................................... 6.2 Service Manual CNS-9701 6C.
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6. ADJUSTMENT Adjusting the VL-971R Display Unit When a CRT display unit is used with a personal computer, adjustment of the CRT display unit is not required. However, when an LCD display unit is used with a personal computer, adjustment at the LCD display unit is usually required for clear screen display. Newer LCD display units have automatic screen adjustment which handles the RGB output signals from most personal computers within an acceptable range.
6. ADJUSTMENT Manual Adjustment After performing the automatic adjustment, perform the following procedure. 1. Check that the CNS system program is running. 2. Select “Horizontal Position” from the setting items. 3. Adjust the horizontal position so that the left edge of the screen meets the left edge of the LCD display area. 4. Use a magnifying glass and check that there is no position difference between the left edges. 5. Select “Horizontal Size” from the setting items. 6.
Section 7 Replaceable Parts List MU-971RA/RJ/RK Main Unit (Vorax5000) ............................................................................ 7.2 MU-971RA/RJ/RK Main Unit (Vorax5001) ............................................................................ 7.4 VL-971R/RK Optional Display Unit ...................................................................................... 7.6 WS-971R Optional Recorder Unit .......................................................................................
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7. REPLACEABLE PARTS LIST When ordering parts or accessories from your nearest Nihon Kohden Corporation distributor, please quote the NK code number and part name which are listed in this service manual, and the name or model of the unit in which the required part is located. This will help us to promptly attend to your needs. Always use Nihon Kohden parts and accessories to assure maximum performance from your instrument. Service Manual CNS-9701 7.
7. REPLACEABLE PARTS LIST MU-971RA/RJ/RK Main Unit (Vorax5000) Index NK Parts Code 1 Description 635689 Power supply unit PCSA-300P-X2S 635698* Motherboard MX3SP A-OPEN 372321A Lithium battery CR-2032 3 633094 1 GHz CPU Pentium3 with fan and heat sink 4 636492 256 MB DIMM SDRAM 5 636483 3.5" 1.
8 9 7 12 4 3 2 5 11 a a 10 6 1 7. REPLACEABLE PARTS LIST Service Manual CNS-9701 7.
7. REPLACEABLE PARTS LIST MU-971RA/RJ/RK Main Unit (Vorax5001) Index NK Parts Code 1 Description 658691 Power supply unit PCSA-300P-X2V 658708* Motherboard MX4BR-533 A-OPEN 372321A Lithium battery CR-2032 3 658717A 2.4 GHz CPU Pentium IV with fan and heat sink 4 658726 256 MB DDR266 SDRAM 5 636483 3.5" 1.
8 9 7 12 4 3 2 5 11 a a 10 6 1 7. REPLACEABLE PARTS LIST Service Manual CNS-9701 7.
7. REPLACEABLE PARTS LIST VL-971R/RK Optional Display Unit Index NK Code No. 7.
7. REPLACEABLE PARTS LIST 9) Speaker 4) Audio board 9) Speaker SOUND socket 3) LCD control board 16) Power supply cable 1) LCD assembly (LCD, backlight lamp and inverter for backlight lamp included.
7. REPLACEABLE PARTS LIST WS-971R Optional Recorder Unit Index NK Code No. 7.
7. REPLACEABLE PARTS LIST LEDs PC socket RS232C interface board Recording data Control signals Supply voltages Recorder sub assy Power supply unit AC inlet socket with power switch Mains voltage 100 to 240 V AC (50 or 60 Hz) Fuse cap Fuses Enclosure Rubber feet Service Manual CNS-9701 7.
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Section 8 Network Settings Network Setting Flowchart .................................................................................................. 8.2 Setting the IP Address on Each Instrument ........................................................................ 8.3 Manually Setting the IP Address of the Central Monitor ............................................ 8.3 Installing the Laser Printer (Network Printer) ....................................................................... 8.
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8. NETWORK SETTINGS This section describes how to set the following settings. • • • • • • Service Manual CNS-9701 IP address Install the laser printer (network printer) on the central monitor Check the network connection Assign a bed name and group name to the monitors. Select the monitored beds on the central monitor. Adding an instrument to the network during system operation 8.
8. NETWORK SETTINGS Network Setting Flowchart 1. Set the IP address on each instrument. 2. Connect the network system. 3. Start the system. 4. Install the laser printer (network printer) on the central monitor. 5. Check the network connection on the central monitor. 6. Assign the bed name or CNS name to each instrument. 7. Assign the group name to each instrument. 8. Select the monitored beds on the central monitor. 9. Set necessary settings on the central monitor. 10. Start system operation. 8.
8. NETWORK SETTINGS Setting the IP Address on Each Instrument Each instrument in the network has an IP address for data communication. Duplicate IP addresses must not be present in the same network. A unique IP address is assigned to each instrument at shipment. Therefore, there should be no duplicate IP addresses and usually the IP address does not need to be changed. If the IP address needs to be changed due to the network management in the facility, the IP address can be changed manually.
8. NETWORK SETTINGS 3. Click “Local Area Connection”. The “Local Area Connection Status” dialog box opens and shows the network connection status. 4. Click the “Properties” button. The “Local Area Connection Property” dialog box opens. 5. Click “Internet Protocol (TCP/IP)” to make it selected and click the “Properties” button. The “Internet Protocol (TCP/IP)” dialog box opens. 8.
8. NETWORK SETTINGS 6. Enter the IP address and subnet mask. 7. Click the “OK” button to finish setting. 8. Restart Windows 2000. Service Manual CNS-9701 8.
8. NETWORK SETTINGS Installing the Laser Printer (Network Printer) NOTE The procedure in this section describes how to install a Hewlett Packard LaserJet 4000 series printer. When using other printers, refer to the printer manual. Install the laser printer (network printer) in the central monitor. Shut down the central monitor system and set printer settings in Windows 2000. NOTE When more than one central monitor uses the printer, set the following settings on each central monitor.
8. NETWORK SETTINGS 4. Click “Next” to start the “Add Printer Wizard”. Select “Local printer”. 5. Select “Use the following port”. Select the printer you use. (The IP address of the printer is in the Port column.) Click Next>. Service Manual CNS-9701 8.
8. NETWORK SETTINGS 6. From Manufacturers, select HP. From Printers, select HP LaserJet 4000 Series PCL. (HP Laser Jet 4100n and HP Laser Jet 4200n use the same driver.) Click Next>. 7. Select “Replace existing driver” and click Next>. 8. Select “Yes” and click Next>. 8.
8. NETWORK SETTINGS Service Manual CNS-9701 9. Select “Do not share this printer” a 10. Select “Yes” and click Next>. 11. Click Finish. 8.
8. NETWORK SETTINGS 12. Files are copied and a test page is printed. After the test page is printed, click OK. 13. On the Printers window, confirm that HP Laser Jet 4000 Series PCL is added with a check mark. Close the Printers window. 8.
8. NETWORK SETTINGS 14. Shut down the window and restart it. Select restart and click OK. 15. After the CNS-9701 system starts, print something to check the printer works. Service Manual CNS-9701 8.
8. NETWORK SETTINGS Connecting the Network System Refer to the Network and System installation guide and Section 3 “Connecting the Central Monitor to the Network System”. Start the System NOTE Confirm that the “LINK” LED is lit on the hub and network connectors for each instrument. If it is not lit when each instrument is turned on, electrical connection is not complete. Confirm the wiring. Turn on the power of the instruments in the following order. 1. UPS 2.
8. NETWORK SETTINGS Checking the Network Connection on the Central Monitor You can see the network connection on the Maintenance window of the System Setup on the central monitor. All instruments which are connected to the network and are turned on are listed on the Maintenance window of the System setup. Confirm the number of connected instruments. 1. Touch “System Setup” to display the System Setup screen. 2. Enter the password. The password is displayed as ****. 3. Touch “Maintenance”.
8. NETWORK SETTINGS Assigning the Group Name and Bed Name To identify the monitors, each monitor has an instrument name (bed name/CNS name) and a group name. Every bed and every central monitor belongs to one of up to 16 groups. A local bed is assigned to the same group as the central monitor. Groups are provided to simplify bed selection in large hospitals. It is recommended to assign a different bed name to each bed and central monitor so that it is easy to identify a bed.
8. NETWORK SETTINGS Assigning a Bed Name/ CNS Name Assign an instrument name to the central monitor, beds on the multiple patient receiver and bedside monitors on the network. Central monitor: Exit the central monitor system and assign a name in Windows 2000. Beds on the ORG-9200 multiple patient receiver: First register the bed as a monitored bed on the Monitor Setting window of the System Setup. Then set the name for the bed. For the procedure, refer to the CNS9701 operator’s manual.
8. NETWORK SETTINGS Assigning a Group Name Assign a group name to the central monitor, beds on the multiple patient receiver and bedside monitors on the network, respectively. The factory default setting group name for each instrument is “General”. If you do not divide instruments on a network into groups, assigning a group name is not necessary. Central monitor: Set the group name on the Name Registration window of the System Setup on the central monitor. Refer to the CNS-9701 operator’s manual.
8. NETWORK SETTINGS Selecting the Monitored Beds One bedside monitor can be monitored on several central monitors, but the data can only be stored on one central monitor. When you register a monitored bed on the Monitor Settings of the System Setup, you will be asked if you want the central monitor to store the bed’s data. Availability of setting and operations depends on whether or not the bed’s data is saved in the central monitor or another central monitor. Refer to the CNS-9701 operator’s manual.
8. NETWORK SETTINGS NOTE For a 8000 series bed whose data is stored in a CNS-9301/9302 central monitor, some waveforms cannot be displayed on the Individual Bed screen of the CNS-9701 central monitor while the same patient’s Individual Bed screen is displayed on the CNS-9301/9302 central monitor.
8. NETWORK SETTINGS Changing Settings of System Setup, Patient Setting and Setup Before using the central monitor, confirm that the settings on the System Setup window and the Patient Setting window are correct. Change them if necessary. If you change the units, date and time when the network is in operation, the change on any instrument affects all instruments in the network. Service Manual CNS-9701 8.
8. NETWORK SETTINGS Adding an Instrument to the Network During System Operation An instrument can be connected to a network which is already running. The network does not need to be turned off. Check the following points. • The network installation must comply with IEC 60601-1-1 “Safety Requirements for Medical Electrical Systems”. Refer to the Network and System installation guide and consult with a biomedical engineer or Nihon Kohden distributor. • The IP address is correctly set on the instrument.
Section 9 Connector Pin Assignment Sockets at the Rear of the Main Unit .................................................................................. 9.1 SOUND Socket ......................................................................................................... 9.1 TOUCH1/TOUCH2 Socket ......................................................................................... 9.1 VIDEO1/VIDEO2 Socket .......................................................................................... 9.
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9. CONNECTOR PIN ASSIGNMENT Sockets at the Rear of the Main Unit CAUTION Connect only the specified instruments to the connector or sockets marked with by following the specified procedure. Otherwise, electrical leakage current may harm the patient and operator. SOUND Socket Pin No. 1 2 3 Signal L-Speaker R-Speaker GND Central monitor main unit (MU-971RA/RJ/RK) Stereo mini jack for 3-polar plug LCD unit (VL-971R/RK) Stereo mini jack for 3-polar plug TOUCH1/TOUCH2 Socket Male Female Pin No.
9. CONNECTOR PIN ASSIGNMENT VIDEO1/VIDEO2 Socket Signal RED GREEN BLUE NC GND RED-GND GREEN-GND BLUE-GND --- Pin No. 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 Case Signal NC GND NC NC H-Sync V-Sync NC Shield Central monitor main unit (MU-971RA/RJ/RK) D-SUB 15 pin (female) LCD unit (VL-971R/RK) VIDEO socket, D-SUB 15 pin (female) RECORDER Socket Male Pin No.