Service manual

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Universal Clinical Workstation

(UCW ) and

Ultraview 1700 Monitors

90385, 90387

Service Manual

070-0470-02 Rev. E

Summary of content (120 pages)

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Universal Clinical Workstation ® (UCW ) and ® Ultraview 1700 Monitors 90385, 90387 Service Manual 070-0470-02 Rev.
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© 2004 Spacelabs Medical, Inc. All rights reserved. Contents of this publication may not be reproduced in any form without the written permission of Spacelabs Medical. Products of Spacelabs Medical are covered by U.S. and foreign patents and/or pending patents. Printed in U.S.A. Specifications and price change privileges are reserved.
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Table of Contents Chapter Page Introduction Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Monitor Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Equipment Illustrations — Rear. . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors CPU PCBA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Main CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 MPC860-PCI Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Interconnect PCBA Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 I/O PCBA Removal/Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 Touchscreen Removal/Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 Exhaust Fan Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 AC Switch Replacement (90385) .
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Introduction Contents Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Equipment Illustrations — Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors — Service Manual Refer to Theory on page 3-1 of this manual for a detailed description of each monitor and its components.
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Introduction Figure 1-3: Ultraview 1700 with external power supply 1-3
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UCW and Ultraview 1700 Monitors — Service Manual Accessories Monitor Options Table 1: UCW and Ultraview 1700 Options Option Definition -A Central/Bedside * -B Bedside -F Four Waveforms -G Five Waveforms -H Six Waveforms -I Seven Waveforms -J Eight Waveforms -K Twelve Waveform -L Sixteen Waveforms -M Graphic and Tabular Trends -N Vital Sign Calculations *† -O Drug Dose Calculations *† -P Interactive Network -Q Data Shuttle -R Patient Data Logger † -S Dynamic Network Access (
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Introduction Example: A 90385-XFQ (where “X” represents the language designator) is an UCW equipped with: • Q = Data Shuttle option • F = Four waveform zones Accessory devices supported by the UCW/1700 are as follows: Modules — Supports all existing Ultraview modules except 90425, 90428, 90432, and 90410.
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UCW and Ultraview 1700 Monitors — Service Manual Equipment Illustrations — Rear UCW (90385) 2 1 1 SDLC unavailable video out 1 unavailable video out 2 nurse alert SDLC speaker SDLC network connection unavailable ON/OFF switch mouse port power cord receptacle keyboard ground lug 1 serial out 1 2 serial out 2 Figure 1-4: Rear view (90385) WARNING: • For safety, the power cord retainer hardware must always be used.
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Introduction Ultraview 1700 (90387) SDLC 1 2 1 Unavailable Unavailable Serial port 1 Nurse alert Video port 1 2 Serial port 2 (Touchscreen) Audio output SDLC SDLC/IO Mouse Video port 2 Ethernet (10BaseT) External keyboard NiMH battery Equipotential ground SDLC terminator SDLC/power input SDLC/power output Unit power switch High level output IRTS interface for 91416-B Figure 1-5: Rear view (90387) 1-7
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Setup Contents Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Pre-Installation Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Mounting. . . . . . . . . . . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors — Service Manual 90387 Assembled weight of monitor: 9.7 lbs (4.4 kg) Assembled weight DC power supply: 1.8 lbs (0.8 kg) Dimensions of monitor: 10.25 (H) × 6.0 (W) × 9.5 (D) in. (26.0 × 15.2 × 24.1 cm) Dimensions of DC power supply: 2.1 (H) × 4.0 (W) × 6.5 (D) in. (5.3 × 10.2 × 16.5 cm) AC input voltage range: 100 to 120 VAC, 200 to 230 VAC AC input current: 1.
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Setup Pre-Installation Testing Before mounting the equipment, it is recommended that you first verify its operation as follows: 1. Power ON the unit and let the power-on diagnostics run. 2. Look in the upper-left corner of the display for any diagnostic failures or other system errors. The monitor will start up normally if no unacceptable diagnostic errors occur. Refer to Troubleshooting on page 5-1 for more information on the diagnostics features if the monitor does not start up normally. 3.
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UCW and Ultraview 1700 Monitors — Service Manual base tension adjusting screw Figure 2-1: 90385 base tension adjustment ! • If necessary, base adjustment must be done prior to installing the monitor onto a mount. • Not all monitors will have the base tension adjustment described here. Wall Mounting ! • Specific wall requirements for the installation of wall mounts are not covered in this manual and are the responsibility of each hospital.
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Setup The wall mounting hardware consists of: Wall Track — The wall track is mounted vertically on the wall with the mounting arm installed in the track. The mounting arm can be slid up and down in the wall track to the desired height. Wall tracks are available in multiple lengths. Wall Track End Caps — The wall track end caps are installed on the top and bottom of the wall track to give the track a finished appearance and to prevent the equipment from sliding off the end of the mounting track.
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UCW and Ultraview 1700 Monitors — Service Manual rubber feet (6) tick mark retaining studs (4) Figure 2-3: Pedestal mount Console Mounting (90387) The physical layout and other console characteristics depend on the requirements of the hospital or other institution. It is the responsibility of the institution to define its specific console needs and to design and construct the console according to its specifications. For this reason, Spacelabs Medical does not supply a pre-fabricated console assembly.
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Setup Forced Air Fan — Small, quiet muffin fans rated at 100 cubic feet per minute (CFM) or equivalent (to be provided by the institution) can be installed. In this case, provide one fan for every central station or two system printers/module recorders that are installed in the console. ! • If a network printer is to be installed in the console, the power dissipation and dimensional requirements will be different. Refer to the printer specifications for further information.
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UCW and Ultraview 1700 Monitors — Service Manual Installation Cables (90385) The cables and adapters available for making interconnections to the 90385 and other components are listed in Table 1 and Table 2 below. The use of these cables is illustrated schematically in Figure 2-5 on page 2-9. CAUTION: • Spacelabs Medical has tested and approved the cables listed in Table 1 and Table 2 for use with the 90385 monitor. For continued EMI radiation compliance, use only these cables.
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Setup A nurse alert Ethernet C 90385 monitor Video * F serial I/O ** E SDLC B, G ferrite beads P1 DC power supply 90491/90499 module housing Figure 2-5: 90385 cabling diagram * Video output is a repeater display and is not configurable. ** Serial output may also be used for external touchscreen input in some external display applications.
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UCW and Ultraview 1700 Monitors — Service Manual G ** generic display with touchscreen and audio H serial I/O * E K ** J7 91416-B display J9 DC power supply A J7 J16 P1 J14 J9 J15 J10 J19 J18 90387 J2 E serial I/O C Ethernet nurse alert J G L P1 J2 90499 module housing Figure 2-6: 90387 cabling diagram * The J9 COM port must be used to interface a serial touchscreen. Using J15 to interface the touchscreen is not supported.
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Setup Examples of looping the audio output cable around the supplied strain relief. Figure 2-7: Looping the audio output cable around the supplied strain relief Ethernet LAN Cables • • Pre-molded Cables — When connecting a monitor to the wall plate or in the construction of a central station, use cables with both ends pre-molded. These cables have ferrite beads molded into each end for EMI compliance and are available in multiple lengths.
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UCW and Ultraview 1700 Monitors — Service Manual SDLC Bus Connections The 90387 has two integral module slots providing plug-in support for either two single-high modules or one double-high module. If additional modules are required, these are installed in external module housings and connected to the 90387 by the SDLC interface. The 90385 requires an external module housing for parameter module support. Flexport devices are also connected by the SDLC interface.
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Setup Network Configuration Figure 2-8 illustrates a typical network system composed of bedside monitors, central monitors, and a clinical information system. Ultraview Workstation equip #192 Intesys Clinical Suite equip #100 164.90.254.192 164.90.254.100 Ethernet subnet 254 (standard Spacelabs Medical network) 164.90.254 164.90.254.10 164.90.254.11 router monitor #11 monitor #10 Ultraview Workstation equip #192 164.90.250.192 Intesys Clinical Suite equip #100 164.90.250.
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UCW and Ultraview 1700 Monitors — Service Manual Ethernet LAN Installation ! • Detailed installation instructions for an Ethernet local area network (LAN) are beyond the scope of this document. CAUTION: • Only qualified personnel should attempt to install a monitor onto an Ethernet LAN.
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Setup MONITOR SETUP - Select parameter NETWORK SETUP TELEMETRY CONFIGURATION TELEMETRY BED NAMES RECORDER SETUP SERIAL PORTS MONITOR CALIBRATION MORE TELEMETRY RECORDERS NETWORK SETUP - Restart monitor after entering changes TCP/IP SETUP NODE ID SUBNET BED NAME NODE DIRECTORY CHANGE BIOMED PASSWORD CENTRAL BEDSIDE DATA COMM WATCH SUBNET ACCESS ON OFF CLINCAL MENU EDIT DRUG NAMES RECORDER SETUP - Select parameter RECORDER NAMES SELECT RECORDERS (SELECTION BACKUP) PRIMARY BACKUP SELEC
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UCW and Ultraview 1700 Monitors — Service Manual MONITOR SETUP - Select parameter NETWORK SETUP TELEMETRY CONFIGURATION RECORDER SETUP SERIAL PORTS MONITOR CALIBRATION MORE Select serial port to assign owner to: 1 2 BIOMED LEVEL - Serial Port Configuration SETTINGS ASSIGNMENT Restart monitor after selecting owner for serial port DIAGNOSTICS DATA LOGGER BIOMED LEVEL - Serial port settings: Changes committed on exit DATA BITS 8 CRT POSITION PARITY NONE STOP BITS 1 SYNC ON GREEN ON OFF ECHO N
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Setup MONITOR SETUP - Select parameter NETWORK SETUP TELEMETRY CONFIGURATION SERIAL PORTS RECORDER SETUP MONITOR CALIBRATION MORE MONITOR SETUP - Select parameter CHANGE BIOMED PASSWORD CLINICAL MENU TONE CONFIGURATION MORE TONE CONFIGURATION - Restart Monitor after selecting tone configuration ISO STANDARD ALARM TONES CONFIGURABLE ALARM TONES CONTINUOUS ALARM TONES CENTRAL BEDSIDE CENTRAL DATA COMM WATCH EDIT DRUG NAMES MINIMUM VOLUME SYSTEM INFO RESET MONITOR BEDSIDE COMM WATCH ON O
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UCW and Ultraview 1700 Monitors — Service Manual CLINICAL CONFIGURATION TIME/ DATE RECORDER CONFIG PRESELECTED RECORDINGS UNITS OF MEASURE USER ACCESS ALARM WATCH SETUP ALARM SETUP MORE Restart monitor after selecting units of measure mmHg kPa SELECTION AUTO BACKUP 24 HOURS lb cm kg CHANGE CLINICAL PASSWORD MOUSE CONTROL ALARM EXTENDED DURATION SETTINGS 0 SECONDS TIME DATE inches AM PM 6 SECONDS HOURS 12 SECONDS ENTER MINUTES PRESELECTED RECORDINGS - Select configuration to chang
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Setup Keyboard Menu The Keyboard menu appears whenever a menu is selected that requires entering alphanumeric data. (A-Z, 0-9): RESTART ! 1 # 3 @ 2 Q CAPS SHIFT <--- $ 4 W A % 5 E S Z R D X ^ 6 T F C & 7 Y G V * 8 U H B N ---> ) 0 ( 9 I J O K M BACKSPACE CLEAR _ - : ; L < , “ ‘ P > .
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UCW and Ultraview 1700 Monitors — Service Manual Biomed Setup Menu Network Setup Menu The Network Setup menu enables you to define a subnet name, node ID, and bed name; view the active nodes on the network; and select an appropriate subnet access level. Touch NETWORK SETUP to display the following menu: NETWORK SETUP - Restart monitor after entering changes SUB NET ! • NODE ID TCP/IP SETUP BED NAME SUBNET ACCESS NODE DIRECTORY ON OFF Additional keys may be present.
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Setup TCP/IP SETUP Key To enter a TCP/IP address: 1. Touch TCP/IP SETUP to display the Keyboard menu. 2. Type in the TCP/IP address. 3. Touch ENTER to initiate error checking and verify that the address is in the proper xxx.xx.xxx.xx format (for example, 164.90.254.xx, where xx is monitor node ID). 4. When you have entered the name correctly, touch ENTER to store the name in memory. 5. Reset the monitor to have the network recognize the new TCP/IP address.
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UCW and Ultraview 1700 Monitors — Service Manual SUBNET ACCESS Key The SUBNET ACCESS key limits the monitor’s accessibility to beds physically located on other subnets. When Subnet Access is OFF, the monitor can access only those beds attached to its own subnet. When Subnet Access is ON, the monitor can also access beds located on other subnets. To set Subnet Access to OFF: 1. Touch the SUBNET ACCESS OFF key. 2.
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Setup 6. Touch CONFIGURED PARAMETERS to display a menu of parameter keys that can be selected (ON or OFF) for recordings. 7. Touch PREVIOUS MENU to return to the SELECT TYPE and SELECT BED keys. 8. Touch SELECT BED to define which beds will be included in the preconfigured recordings. The following keys appear: Select beds/subnets ALL THIS SUBNETS SUBNET THIS MONITOR ALL SUBNETS includes all the beds on all subnets. THIS SUBNET includes all the beds on this subnet.
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UCW and Ultraview 1700 Monitors — Service Manual SELECT RECORDERS Key The SELECT RECORDERS key enables you to assign a priority to system recorders for each bed (where nnnnn is the bedname). Touching this key displays the following menu: when the SELECTION key is set to BACKUP Select priority of recorder to be assigned to nnnnn PRIMARY BACKUP when the SELECTION key is set to AUTO Select priority of recorder to be assigned to nnnnn RECORDER A RECORDER B 1.
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Setup To specify the serial port’s use: 1. From the Biomed menu, touch the SERIAL PORTS key. 2. Select a serial port key. 3. Verify that the SETTINGS and ASSIGNMENT keys appear. 4. Touch ASSIGNMENT and verify that the DIAGNOSTICS and DATA LOGGER keys appear. 5. Select the key that matches the application attached to this serial port (if diagnostic messages are not desired during power-up, touch the DIAGNOSTICS key to disable ASCII dumps to the serial port).
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UCW and Ultraview 1700 Monitors — Service Manual RELAY TIMEOUT 0 SEC/10 SEC Key The RELAY TIMEOUT key sets the number of seconds (0 or 10) that the alarm relay remains closed following the end of an alarm condition. FLASHING/STEADY ON Key The FLASHING/STEADY ON key selects the mode of operation for the alarm relay. In Flashing mode, the alarm relay contacts open and close according to the priority of the active alarm level. In the Steady On mode, the relay contacts close if any alarms are active.
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Setup User Access Menu The User Access menu provides privileged users access to enable certain functions for normal use. USER ACCESS - Select user access-to functions PATIENT TYPE ON OFF PARAMETER CONFIGURATION ON OFF RECORDING DURATION ON OFF The highlighted option is the one that is currently active. Touching another key changes the selection. The PATIENT TYPE ON/OFF key enables Adult/Neonate selection in the Monitor Setup menu.
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UCW and Ultraview 1700 Monitors — Service Manual Service Functions Menu The Service Functions menu provides the operator with the capability to review system information and calibrate the monitor’s display subsystem. BIOMED LEVEL - Service Functions DISPLAY ERROR LOG MONITOR CALIBRATION SYSTEM INFO CHANGE PASSWORD SYSGEN RESET MONITOR DISPLAY ERROR LOG Key The DISPLAY ERROR LOG key enables you to display the monitor’s logged errors.
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Setup BIOMED LEVEL - Calibrate Monitor Subsystems CRT POSITION SYNC ON GREEN ON OFF TOUCHSCREEN CALIBRATION TOUCHSCREEN MARGIN ADJUSTMENT 90385 only BIOMED LEVEL - CRT Position BORDER BIOMED LEVEL - Touchscreen Margin Settings DEFAULT A B C D E Figure 2-12: 90385 Monitor Calibration menu The Touchscreen Margin Adjustment/Settings menu provides preset settings to enable the Biomed to tune a particular ring PCBA, IR lens, and I/O PCBA for optimal performance.
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UCW and Ultraview 1700 Monitors — Service Manual MONITOR CALIBRATION Key (90387) The MONITOR CALIBRATION key enables the Biomed to access the Monitor Calibration menu to make horizontal and vertical adjustments of the display. The position and size of the 90387 display is a function of the external display device. The CRT POSITION key displays a border used to facilitate the display adjustment.
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Theory Contents UCW (90385) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Ultraview 1700 (90387) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 CPU PCBA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 I/O PCBA . . . . . . . . . . . . . . . . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors — Service Manual The display is the most visible part of the system. Inside its enclosure are the following assemblies: • CRT display • Touchscreen assembly • CPU, I/O, and interconnect PCBAs No internal adjustments should be performed on the monitor. Brightness, contrast, horizontal and vertical size, and position of the display area are software-controlled through the touchscreen interface.
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Theory Touchscreen specifications: • Minimum object detected: • Maximum object detected: • Ambient lighting: The touchscreen resolution is 0.28 × 0.28 in (7 × 7 mm). This is the minimum size that can be detected. The maximum size that can be detected as a single object is software programmable up to 4.1 × 4.1 in (105 × 105 mm). The default is 1.7 × 1.7 in (42 × 42 mm). If a larger object touches the screen, no action is taken.
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UCW and Ultraview 1700 Monitors — Service Manual The main enclosure is the most visible part of the system. Inside are the following assemblies: • CPU, I/O, and interconnect PCBAs • Backpanel PCBA • Module housing No internal adjustments are possible on the monitor. Monitor Power Supply The main enclosure does not include an AC-to-DC power supply. AC-to-DC power conversion is provided by an external DC supply. The external supply provides the monitor enclosure with 18 VDC.
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Theory CPU PCBA The CPU PCBA consists of a CPU subsystem that runs the system software, updates the display, and communicates with peripheral devices through the I/O PCBA. The CPU PCBA contains all the major digital components and all the major analog components. PCI bus e-net 33 MHz 32 Xfmr 10baseT 860/PCI bridge nurse alert 33 MHz 2-16M flash 32 4-32M MPC DRAM 256k 860 GDS RAM scc1 sdlc scc2 2 *RS-232 scc3 scc4 smc1 T/S cpu int t/s smc2 irpt ISA/PCI i2c cntr dma eide 6.
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UCW and Ultraview 1700 Monitors — Service Manual Main CPU The UCW/1700 uses a 50-MHz version of the Motorola MPC860 processor.
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Theory Video Video is implemented using Chops 69000 VGA controller with 4 MB of internal RAM that resides on the PCI bus. The RGB analog signals are buffered and fed to the CRT display and to two VGA connectors. The Hsync and Vsync signals also go to the VGA connectors. The composite sync signal goes to the display. Ethernet A Digital 21143 PCI-based Ethernet controller provides the network interface.
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UCW and Ultraview 1700 Monitors — Service Manual Keyboard/Mouse Interface The keyboard and mouse interface is implemented with the Intel 82C42PE programmable interface chip on the ISA bus. This device comes pre-programmed with a Phoenix keyboard/PS-2 mouse BIOS. EPP Port A 78C36 device on the ISA bus implements an IEEE 1284, Level 1 electrically-compliant, bidirectional enhanced parallel port (EPP). The hardware includes a 16-byte deep FIFO and can use ISA DMA for data transfers.
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Theory These clocks are used for specific peripherals and are generated at various locations on the PCBA. • • • • • • • • 20-MHz clock for Ethernet 24.6-MHz clock for audio codec 16.9-MHz clock for audio codec 12-MHz clock for keyboard/mouse controller 14.3-MHz clock for the PCI/ISA bridge and SVGA hardware 11.354-MHz clock divided to 1.89 MHz for SDLC 68.5-MHz and 34.25-MHz clock for the SVGA hardware 8.
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UCW and Ultraview 1700 Monitors — Service Manual Power Failure Operation The power supply within the monitor chassis provides a digital PFAIL signal to the CPU PCBA to indicate that a power failure condition is imminent. This signal is asserted by the power supply if its AC input power fails for more than one cycle or if the monitor is switched OFF. This signal is provided through a power supervisor IC to the MPC860 as an interrupt, causing the processor to take immediate power failure action.
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Theory Regulator for -5 Volts Certain analog components in the video section require a -5-volt supply. This is generated on-board by a -5-volt switching regulator supplied by the +12-volt input. Regulator for -3.3 Volts Many digital devices on the CPU PCBA run on -3.3 volts. This is created from the +5-volt input by an on-board switching regulator. Power Supply Connector Power arrives at the CPU PCBA via a single connector.
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UCW and Ultraview 1700 Monitors — Service Manual EMI Reduction The CPU PCBA includes several design features intended to reduce EMI effects. The power supply to the PCBA is segmented and heavily filtered to prevent noise propagation from one part of the PCBA to another. All high-frequency signals are driven through series resistors to limit the rise and fall times of these signals, reducing ringing and other EMI effects.
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Theory • The GDS is the patient database containing parameter data from the modules, including current, general, trend, and waveform data. • The Remote Interface System handles Ethernet connections to remote monitors and modules. It broadcasts the existence and configuration of the network devices to each other. It enables the user to view remote parameters and to remotely press keys across the network.
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UCW and Ultraview 1700 Monitors — Service Manual CPU External Connectors The CPU PCBA has several connectors for communication with external devices. Additional external connectors are mounted on the I/O PCBA (refer to I/O PCBA on page 3-15 for their description).
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Theory Table 2: External Connectors on the CPU PCBA (continued) Connectors External SDLC connector SDLC Description HD 26-pin, female, D-Sub 1- NC 2- GND 3- NC 4- GND 5- NC 6- GND 7- NC 8- NC 9- CLK+ 10 - GND 11 - NC 12 - GND 13 - NC 14 - GND 15 - NC 16 - NC 17 - DATA+ 18 - CLK19 - NC 20 - GND 21 - NC 22 - GND 23 - NC 24 - NC 25 - NC 26 - DATA- 9 1 18 10 26 19 front view I/O PCBA The I/O PCBA holds those external connectors that cannot fit on the CPU PCBA and provides for internal connections to t
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UCW and Ultraview 1700 Monitors — Service Manual Table 3: Pin Assignments for the 90385 Touchscreen Connector Pin Description Pin Description 1 GND 18 EMIT 2 SELECT6 19 GND 3 12V_BACKPLANE 20 IRSIG 4 SELECT5 21 KPDACT 5 GND 22 IRBIAS 6 SELECT4 23 GND 7 12V_BACKPLANE 24 ADREF 8 SELECT3 25 RKEY_IR 9 GND 26 TEMP 10 SELECT2 27 GND 11 12V_BACKPLANE 28 SDAT 12 SELECT1 29 GND 13 GND 30 SCLK 14 SELECT0 31 GND 15 GND 32 CSYNC 16 EMITCUR 33 SPKROUTN
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Theory I/O External Connectors The following external connectors are mounted on the I/O PCBA. Additional external connectors are mounted on the CPU PCBA. Refer to CPU PCBA on page 3-5 for their descriptions. Table 4: External Connectors on the I/O PCBA Connectors Alarm connector Audio connectors Keyboard connector Description RJ-11 style, 6 pin 1- ALARM, COMMON 2- N/C 3- ALARM, NORM. OPEN 4- +12V 5- N/C 6- GND 3.
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UCW and Ultraview 1700 Monitors — Service Manual Table 4: External Connectors on the I/O PCBA (continued) Connectors Description 8 6 DIN style, 6 pin Mouse connector gnd ring 1- DATA 2- N/C 3- GND 5- +5V 6- CLK 8- N/C gnd ring- 5 3 2 IR touchscreen connector (90387 only) 1- Select_IN0 2- Ground 3- Select_IN1 4- Ground 5- Select_IN2 6- Ground 7- Select_IN3 8- Ground 9- Select_IN4 10- Ground 11- Select_IN5 12- Ground 13- Select_IN6 14- Ground 15- Emit_In 16- Ground 17- Emitcur_In 18- Ground 19- Cs
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Maintenance Contents Preventive Maintenance (PM) Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical Safety Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Disassembly Procedures (90385) . . . . . . . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors — Service Manual To clean the exterior of monitors, modules, and cables: • • • • • • Prepare the cleaning solution according to the manufacturer’s instructions. Wet a clean cloth with the selected cleaning solution. Remove excess liquid from the cloth and squeeze dry. Wipe exposed surfaces of the equipment and cables. Remove any soap residue by gently wiping with a clean damp cloth. Wipe dry with a clean dry cloth.
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Maintenance Preventive Maintenance (PM) Procedures The following information describes the requirements and tests necessary for safety and performance verification of Spacelabs Medical 90385 and 90387 systems. This procedure must be performed yearly, and also following any product disassembly/assembly. This procedure must be performed by trained personnel only. ! • Cleaning, preventive maintenance, and safety checks should be performed annually.
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UCW and Ultraview 1700 Monitors — Service Manual Normal Condition — Condition in which all means provided for protection are intact. Includes ground connections, insulation, creepage and clearance distances. Single Fault Condition — Open ground, open neutral, line voltage on a patient connection, or any single state other than normal condition that could compromise patient safety. UUT — Unit Under Test Spacelabs Medical does not endorse standards to the exclusion of others.
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Maintenance Chassis Leakage Current Tests 1. Plug the leakage analyzers into mains power. 2. Plug the equipment into the analyzer’s AC receptacle. 3. Verify that the leakage current from the chassis to ground is less than the values in Table 2.
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UCW and Ultraview 1700 Monitors — Service Manual Verifying Monitor Functions To verify that the monitor functions correctly with parameter modules: 1. Insert a module that includes ECG without the patient cables connected. • Verify that the vertical ECG parameter key appears, a heart rate of ??? is displayed, and the message LEADS OFF is in the waveform zone. 2. Connect a waveform simulator to the ECG input with a 5-lead patient cable, and set the simulator to a known rate.
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Maintenance Error Log ! • Error logs are intended for use by Spacelabs Medical personnel only and do not necessarily indicate monitor malfunction. To clear the error log: 1. Power OFF the monitor for several seconds and then power ON again. Enter the Boot menu when the 3-2-1 countdown appears on the System Startup screen (refer to Troubleshooting on page 5-1 for detailed instructions). 2. Clear errors by then selecting c. ! 3.
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UCW and Ultraview 1700 Monitors — Service Manual Display Alignment 1. At the Main menu, touch MONITOR SETUP, and then touch PRIVILEGED ACCESS. 2. Enter the password using the on-screen keyboard and touch ENTER. 3. Touch MONITOR CALIBRATION. 4. Touch CRT POSITION. The display will show the following: BORDER Figure 4-1: CRT positioning These keys can be used to move the display up, down, left, and right as well as to stretch or compress the display horizontally and vertically.
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Maintenance Display Color ! • The display color can be inspected, but the monitor must be returned to Spacelabs Medical for adjustment. To inspect the color: 1. Power OFF the monitor for several seconds and then power ON again. 2. Enter the Boot menu when the 3-2-1 countdown appears on the System Startup screen (refer to Troubleshooting on page 5-1 for detailed instructions). 3.
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UCW and Ultraview 1700 Monitors — Service Manual Display Adjustments (90387) Display Alignment All display adjustments (e.g., brightness, contrast, position) for the 90387 are a function of the OEM display purchased separately. Monitor controls have no effect. However, the monitor can provide a border to ease the performance of display alignments. To display a border: 1. At the Main menu, touch MONITOR SETUP, and then touch PRIVILEGED ACCESS. 2.
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Maintenance 3. Recalibration using the Diagnostic Boot menu — A PS2 mouse or keyboard with RJ9 connector is required to perform a touchscreen calibration. Perform the following steps to calibrate the touchscreen. a. Power OFF the 90387 and connect either a PS2 mouse or keyboard. b. Power ON the 90387 and enter the Diagnostic Boot menu. This menu may be accessed using the mouse or keyboard.
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UCW and Ultraview 1700 Monitors — Service Manual bottom view Figure 4-2: Location of screw 4-12 5. Return the monitor to its normal position. 6. Remove the CRT top cover using the top cover removal tool (P/N 003-0085-00). a. Locate the two latches that hold the bezel and top cover together (refer to Figure 4-3 on page 4-13). b. Position the top cover removal tool next to the two latches (refer to Figure 4-3 on page 4-13). c.
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Maintenance latches bezel insert tool between bezel and top cover as far as it can go top cover removal tool (P/N 003-0085-00) top cover top view Figure 4-3: Top cover removal 7. After clearing the retaining brackets, pull the cover straight back until it clears the base and can be removed. CAUTION: • When reinstalling the top cover, be careful that the beryllium/copper fingers in the top corners are not damaged. Hold them in slightly while sliding the top cover on. 8.
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UCW and Ultraview 1700 Monitors — Service Manual PCBA Drawer Removal/Replacement Removal of the PCBA drawer requires that both the CPU and I/O PCBAs be removed as a unit. panel, rear, primary I/O PCBA interconnect PCBA CPU PCBA Figure 4-4: PCBA drawer removal To extract the PCBA drawer: 1. Remove all external cables from their connectors. 2. Remove the screws (refer to Figure 4-5 below) that attach the rear panel to the monitor. Figure 4-5: Screw placement for drawer assembly 3.
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Maintenance 3. Re-install the screws that secure the drawer to the monitor. CAUTION: • Replacement of ALL screws, hex nuts, and fasteners is required to maintain Electrical Magnetic Interference (EMI) Emissions within acceptable limits. Any removal or non-replacement of hardware can cause increased emission levels and susceptibility to external noise sources. NVRAM Replacement ! • The NVRAM contains a battery with a lifetime of 10 to 20 years.
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UCW and Ultraview 1700 Monitors — Service Manual U940 (NVRAM) Figure 4-6: CPU PCBA Interconnect PCBA Replacement 4-16 1. Follow the PCBA drawer removal instructions. 2. Disassemble the drawer as in the CPU PCBA replacement instructions. 3. Replace the interconnect PCBA. 4. Reassemble the PCBA drawer. 5. Follow the PCBA drawer replacement instructions.
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Maintenance I/O PCBA Removal/Replacement 1. Remove the I/O and CPU PCBAs as described in the PCBA drawer removal instructions. 2. Disconnect all internal cables from the I/O PCBA. 3. Remove the two screws that secure the I/O PCBA to the rear of the drawer panel, if applicable. 4. Remove the one screw in the center of the I/O PCBA that secures it to the CPU PCBA. 5.
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UCW and Ultraview 1700 Monitors — Service Manual Touchscreen Removal/Reassembly Removal 1. Insert a blade screwdriver (or similar object) into each of the two slots, one at a time, located on the underside of the bezel. bottom view Figure 4-8: Touchscreen removal 2. Gently pull the front bezel away, (with an upward pressure) from the display assembly and tilt upward. 3. Pull the bottom of the touchscreen out just far enough to allow disconnection of the serial interface cable leading to the I/O PCBA.
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Maintenance Exhaust Fan Replacement 1. Remove the top cover of the display assembly. 2. Remove the video PCBA and position it out of the way. 3. Locate the fan on the rear of the display assembly and remove the screw on each side of the fan motor (refer to Figure 4-9 below). fan removal screws Figure 4-9: Fan location 4. Slide the bracket off of the fan assembly, being careful not to stress any connections on the video PCBA while moving it aside. 5.
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UCW and Ultraview 1700 Monitors — Service Manual AC Switch Replacement (90385) 1. Remove the top cover. 2. Remove the video driver PCBA and position it out of the way without disconnecting cables. 3. Remove the single screw from the right side of the fan (viewed from the rear). 4. Remove the single screw from the AC module (refer to Figure 4-10 below). 5. Lift the AC module upward to allow the AC input module cable to be disconnected. 6.
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Maintenance Disassembly Procedures (90387) Tools Required • • • • Static mat Static wrist strap #1 and #2 Phillips screwdrivers (#2 driver > 7.5” shaft length) Standard flat screwdriver CAUTION: • Before beginning any disassembly procedures, power OFF the monitor and disconnect the AC cord from the AC power receptacle. ! • The external power supply is not designed for disassembly. Backup Battery Replacement ! • It is recommended that you change the battery yearly. 1.
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UCW and Ultraview 1700 Monitors — Service Manual Enclosure Removal 1. Remove the four painted screws from the top of the unit. 2. Remove the four screws and two feet from the bottom of the unit. 3. Slide the right and left enclosure halves away from the bezel and off the unit chassis. 4. Reverse the removal procedure to reassemble the enclosure. Bezel Removal 1. Remove the enclosure according to the enclosure removal procedure. 2. Remove the four screws that secure the bezel to the chassis. 3.
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Maintenance PCBA Drawer Removal/Replacement Removal of the PCBA drawer requires that both the CPU and I/O PCBAs be removed as a unit. To extract the PCBA drawer: 1. Remove all external cables from their connectors. 2. Remove the screws (refer to Figure 4-11 below) that attach the rear panel to the 90387. Figure 4-11: Screw placement for drawer assembly 3. Pull the drawer assembly completely out of the monitor. To reassemble the PCBA drawer: 1.
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UCW and Ultraview 1700 Monitors — Service Manual NVRAM Replacement ! • The NVRAM contains a battery with a lifetime of 10 years. In normal usage, with the monitor on and in use, the NVRAM should be replaced every 10 years. 1. Follow the previous PCBA drawer removal instructions. 2. Use an IC extractor tool to remove the NVRAM located at U940 on the CPU PCBA. 3. Insert a new NVRAM into location U940 on the CPU PCBA being careful to correctly orient the device. 4.
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Maintenance U940 (NVRAM) Figure 4-12: CPU PCBA Interconnect PCBA Replacement 1. Follow the PCBA drawer removal instructions. 2. Disassemble the drawer as in the CPU PCBA replacement instructions. 3. Replace the interconnect PCBA. 4. Reassemble the PCBA drawer. 5. Follow the PCBA drawer replacement instructions.
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UCW and Ultraview 1700 Monitors — Service Manual I/O PCBA Removal/Replacement 1. Remove the I/O and CPU PCBAs as described in the PCBA drawer removal instructions. 2. Disconnect all internal cables from the I/O PCBA. 3. Remove the two screws that secure the I/O PCBA to the rear of the drawer panel, if applicable. 4. Remove the one screw in the center of the PCBA that secures the PCBA to the CPU PCBA assembly. 5.
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Troubleshooting Contents Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Suggested Tools and Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Symptoms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Monitor Diagnostics . . . . . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors — Service Manual Symptoms Monitor Has No Display Power 1. Check the AC line cord to ensure that it is properly plugged in and that the power source voltage is present. 2. Verify that the main AC switch is ON. 3. Check the power LEDs on the CPU assembly by looking through the ventilation holes near ) to verify that all four are lit. The LEDs are in a row, deep inside the the 10BaseT jack ( case, not near the back panel.
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Troubleshooting Monitor Operates but Fails System Functions Modules and SDLC Link 1. Verify that the proper SDLC terminations are set and that the proper cables are being used (refer to Installation on page 2-8 for information). 2. Check the software versions of all installed modules, Flexport interfaces, and other attached SDLC equipment and verify that there are no incompatibilities. 3.
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UCW and Ultraview 1700 Monitors — Service Manual Mouse or Keyboard Input 1. Try another mouse or keyboard (there is no setup for the mouse or keyboard, either externally or internally). Cycle the power ON and OFF after changing the keyboard or mouse to guarantee that they are seen by the monitor. 2. If this does not correct the problem, inspect the interconnect board and I/O boards. If any connectors or parts on either of these assemblies appear damaged, replace the damaged assembly. 3.
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Troubleshooting Power-ON diagnostics failures are reported in the upper-left corner window of the system startup screen. Refer to System Startup on page 5-9 for more information. Extended Diagnostics Extended diagnostic tests can be manually initiated only during system startup. The kinds of tests and features available in the extended diagnostics are: • Power-ON tests. • Interactive tests and read/write memory tests that are not appropriate during power-ON diagnostics.
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UCW and Ultraview 1700 Monitors — Service Manual Troubleshooting Method 2: Using the Remote Terminal 1. Activate a hyperterminal program on the remote terminal. 2. Attach the remote terminal (9600 baud, no parity, 8 bits, 1 stop bit) to the serial connector J15 with a null modem cable. 3. Power ON the monitor. 4. Activate the Serial Diagnostic menu by touching ENTER during the “3-2-1” countdown at system start-up. 5.
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Troubleshooting Table 1: Diagnostic Failure Messages (continued) Error Code Diagnostics Failure Message Suggested Action 01030500 “FLASH ROM Test Failed” Replace CPU board. 01030501 “FLASH ROM boot checksum larger than flash” Reburn boot kernel software into flash memory and retest. If failure persists, replace CPU board. 01030502 “FLASH ROM app checksum larger than flash” Reburn application software into flash memory and retest. If failure persists, replace CPU board.
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UCW and Ultraview 1700 Monitors — Service Manual Table 1: Diagnostic Failure Messages (continued) Error Code Diagnostics Failure Message Suggested Action 01030A06 “Video could not detect blue video signal” Replace CPU board. 01030B00 “Couldn’t open IRTS device driver” Reboot and retest. If problem persists, replace CPU board. 01030B01 “IRTS interface failed” Replace CPU board. 01030B02 “IRTS ring board interface failed” Replace CPU board.
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Troubleshooting Table 1: Diagnostic Failure Messages (continued) Error Code Diagnostics Failure Message Suggested Action 01030E03 “NVRAM read/write memory test failed” Replace CPU board. 01030F00 “Wireless card diagnostic failed” Replace CPU board. 01031000 “EPP diagnostic failed” Replace CPU board. System Startup When the unit is first powered ON, the following three-window system startup screen is displayed.
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UCW and Ultraview 1700 Monitors — Service Manual Boot Menu The Boot menu allows access to several basic configuration menus and functions of the monitor, including extended diagnostics. The Boot menu is activated during system startup and can be controlled using either the touchscreen, mouse, keyboard, or terminal (or a computer with terminal emulation software) connected to the serial port. All text displayed on the screen is also output on the serial port.
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Troubleshooting After initiation, the following main Boot menu appears. ? - help @ - boot (load and go) p - print boot params c - change boot params g - go to address m - memory functions... e - print fatal exception N - set node id D - run diagnostics... z - zero NV ram E - error log functions... b - burn flash...
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UCW and Ultraview 1700 Monitors — Service Manual * The indicated parameters are ONLY to be used by Spacelabs Medical personnel and should not be changed. In some cases, altering these parameters may disable the monitor and require a service call to repair. ** If NVRAM is zeroed, all the configuration data will be lost. In the event this occurs, a Spacelabs Medical service representative must be called to repair the monitor.
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Troubleshooting Touching the i key on the Main Diagnostic menu displays the Individual Diagnostic menu. INDIVIDUAL DIAGNOSTIC MENU r - Return To Previous Menu c - CPU Diagnostic a - Audio Diagnostic * w - Wireless Diagnostic * P - PCI Bridge Diagnostic * i - ISA Bridge Diagnostic * k - Keyboard/Mouse Diagnostic * e - Ethernet Diagnostic * R - Real-Time Clock Diagnostic * E - Extended Parallel Port Diagnostic * m - Memory Diagnostics... v - Video Diagnostics...
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UCW and Ultraview 1700 Monitors — Service Manual Touching the m key in the Individual Diagnostic menu displays the Memory menu.
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Troubleshooting Touching the v key in the Individual Diagnostic menu presents the Video menu: VIDEO MENU r - Return To Previous Menu v - Video Diagnostic * i - Interactive Video Diagnostic r v i -> Figure 5-7: Video menu The following keys are available in this menu: r — Returns to the Individual Diagnostics menu. v — Runs the power-ON video diagnostic.
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Parts Contents Field-Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Assembly Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Field-Replaceable Parts 9-pin and 26-pin SDLC Refer to the 90485/90486/90491/90499 Module Housings and Power Supplies Service Manual (P/N 070-0680-xx, located on CD-ROM 084-0700-xx).
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UCW and Ultraview 1700 Monitors — Service Manual Table 1: Miscellaneous Cables (continued) Assembly Description Part Number Cable Assembly, 10 ft (3.
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Parts Table 3: Miscellaneous Parts (continued) Assembly Description Part Number External power supply, 90387 18 V DC, 4.25 A 119-0251-00 Battery (I/O PCBA), 90387 3 V lithium 384322-001 Battery .
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UCW and Ultraview 1700 Monitors — Service Manual Ethernet 10BaseT Table 4: Ethernet 10BaseT Assembly Description Part Number Station cable 3 feet (0.9 meters), 10BaseT, UTP 175-0951-00 Station cable 6 feet (1.8 meters), 10BaseT, UTP 175-0951-01 Station cable 12 feet (3.6 meters), 10BaseT, UTP 175-0951-02 Station cable 20 feet (6.
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Appendix A — Electromagnetic Compatibility Contents Electromagnetic Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Electromagnetic Immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Frequency Separation Distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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UCW and Ultraview 1700 Monitors — Service Manual Electromagnetic Immunity ! • The 90387 bedside monitor is intended for use in the electromagnetic environment specified in the table below. The customer or user of the equipment should ensure that it is used in such an environment.
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Appendix A — Electromagnetic Compatibility Frequency Separation Distances ! • The 90387 bedside monitor is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled.
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UCW and Ultraview 1700 Monitors — Service Manual Interference The 90385 CRT display may develop a perceptible jitter in the presence of magnetic fields greater than 1 A/meter. Fields of 10 A/meter are strong enough to distort the edges of the video display. Magnetic field strengths of 60 A/meter produce a rolling effect that makes the video display unreadable. Mitigation Separate the CRT from the source of the interference. Investigate power lines, adjacent equipment, and alternative locations.
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Appendix B — Symbols The following list of international and safety symbols describes all symbols used on Spacelabs Medical products. No one product contains every symbol.
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UCW and Ultraview 1700 Monitors — Service Manual Symbol Description B-2 Description PAUSE or INTERRUPT Slow Run Reset Power Indicator LED Alarm Temporary Shut Off of Alarm Tone or Screen Indicators Indicator — Remote Control Indicator — Local Control PRINT REPORT Key Indicator — Out of Paper Partial ON/OFF Recorder Paper Normal Screen ? Symbol 1 2 3 1 2 3 Return to Prior Menu Clock/Time Setting Key TREND/TIMER Key HELP (Explain Prior Screen) Key Keypad Activate Recorder for Graphi
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Appendix B — Symbols Symbol Description 1 2 3 Reset Menu Keys Waveform/Parameter Keys B Access Special Function Menu 1 Serial Port 1 1 2 3 A 1 2 3 Set Initial Conditions Menu Return Unit to Monitor Mode 2 External marker push button connection SDLC Serial Port 2 SDLC Port Arterial Pulse Electrocardiograph or Defibrillator Synchronization Gas Exhaust Foot Switch Enlarge, Zoom 12,200 m Description Input Monitor Setup Select Program Options 1 2 3 Symbol x Delete PCMCIA Card E
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UCW and Ultraview 1700 Monitors — Service Manual Symbol Description Description Down Arrow Up Arrow Hard Drive Power Indicator LED Antenna Mermaid Connector Microphone Omnidirectional Microphone Audio Output, Speaker Activate Telemetry Recorder Network Connection Universal Serial Bus Gas Sampling Port Gas Return Port Remote Alarm; Nurse Alert Nurse Call Battery Status Low Battery Battery Replace only with the appropriate battery. Replace only with the appropriate battery.
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Appendix B — Symbols Symbol Description Symbol Description Replace Fuse Only as Marked Fuse Power supply jack polarity. (+ / - signs may be reversed) Equipotentiality Terminal Alternating Current Direct Current Both Direct and Alternating Current AC/DC Input A Amperes Hz Hertz V Volts W Watts IEC 60601-1 Type B equipment. The unit displaying this symbol contains an adequate degree of protection against electric shock. IEC 60601-1 Class II equipment, double-isolated.
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UCW and Ultraview 1700 Monitors — Service Manual Symbol Note Warning Description Symbol Risk of Explosion if Used in the Presence of Flammable Anesthetics ! Operates on Non-Harmonized Radio Frequencies in Europe Note ! Attention - Consult Operations or Service Manual for Description Warning About Potential Danger to Human Beings Caution About Potential Danger to a Device Noninvasive Blood Pressure (NIBP), Neonate Fetal Monitor Connection (Analog) Fetal Monitor Connection RS-232 (Digital) Ph
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Appendix B — Symbols Abbreviations used as symbols are shown below. Symbol Description Symbol Description 1 - 32 Access Codes 1 Through 32 AIR Air ANT 1 ANT 2 Diversity Antenna System 1 Diversity Antenna System 2 Arr1 ArrNet2 Arrhythmia Net 1 Arrhythmia Net 2 CH ch EEG, EMG, or ECG Channel EEG Channels - CH1, CH2, CH3, CH4 EMG Channel - CH5 cmH2O Centimeters of Water C.O.
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UCW and Ultraview 1700 Monitors — Service Manual Symbol Description Symbol Description Systolic T1 T2 T3 T4 Temperature 1 Temperature 2 Temperature 3 Temperature 4 TEMP temp Temperature UA Uterine Activity or Umbilical Artery VAC Vacuum Connection SYS sys B-8