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Vital Signs Monitor Service Manual - Frank's Hospital Workshop

Service ManualMedical Division4341 State Street Road, Box 220 Skaneateles Falls, NY 13153-0220PN 95P360 ECopyright 1996 welch AllynVital Signs MonitorWelch allyn Vital Signs Monitor Service ManualRevision 1:General InformationSERVICE MANUALW elch AllynVital Signs MonitorCopyright 1996 welch allyn State Street RoadService Manual pn95P360 ESkaneateles Falls, NY 13153-0220 Rev. 4, 9/98 welch allyn Vital Signs Monitor Service ManualRevision of made due toproblems found in trainingand changes to the made forsupport of Nellcor schematics, boardlayouts and bill ofmaterials, miscellaneouscorrections.*Note: All drawings enclosed are for reference only. Consult the system or the factory for all current allyn Vital Signs Monitor Service ManualRevision Of ContentsSECTION 1:General InformationSub-Section:Page:To Service Personnel .. Warranty/Warranty Assistance .. System Description.

Welch Allyn Vital Signs Monitor Service Manual Revision 4.0 Revision History Revision Sections Date Author Description 1.00 All 4/18/96 JDB/RJS Introduction of manual.

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Transcription of Vital Signs Monitor Service Manual - Frank's Hospital Workshop

1 Service ManualMedical Division4341 State Street Road, Box 220 Skaneateles Falls, NY 13153-0220PN 95P360 ECopyright 1996 welch AllynVital Signs MonitorWelch allyn Vital Signs Monitor Service ManualRevision 1:General InformationSERVICE MANUALW elch AllynVital Signs MonitorCopyright 1996 welch allyn State Street RoadService Manual pn95P360 ESkaneateles Falls, NY 13153-0220 Rev. 4, 9/98 welch allyn Vital Signs Monitor Service ManualRevision of made due toproblems found in trainingand changes to the made forsupport of Nellcor schematics, boardlayouts and bill ofmaterials, miscellaneouscorrections.*Note: All drawings enclosed are for reference only. Consult the system or the factory for all current allyn Vital Signs Monitor Service ManualRevision Of ContentsSECTION 1:General InformationSub-Section:Page:To Service Personnel .. Warranty/Warranty Assistance .. System Description.

2 5 Basic System Operation Index .. 7 Basic System Operation .. 8-14 Block Diagram of Unit Operation .. 16-17 Specifications .. 19-23 Serial numbering system defined .. Identification .. 2: Service Set UpService Manual Intent & Scope .. Equipment Bench Layout .. Fig Tools/Equipment List .. 5 Replacement Parts List .. 7-9 Maintenance/ Service Support .. 11 SECTION 3:Problem DiagnosisOverview .. 1 Diagnostic Process/Returned units .. 3-5 When and how to calibrate .. 7-8 Loading Unit Software .. 9 welch allyn Monitor Self Diagnostic Fault Codes .. 11-13 Complaint/Cause/Corrective Action .. 15-19 SECTION 4:Major Component Removal/Replacement(IN ORDER OF REMOVAL ACCESS)Front Housing .. 1-2 Main Fuse F1 on Main PCB .. 3-4 Main Printed Circuit Board (PCB) .. 5-6DC TO DC Converter (SpO2 units) .. 7-8 Pressure Transducer on Main PCB .. 9-10 Display PCB .. 11-12 Key Pad (front housing).

3 13-14 Temperature PCB .. 15-16 Specific Oxygen Board (Nonin) .. 17-19 Specific Oxygen Board (Nellcor) .. 23-24 Pressure Switch MPL-503 .. (Pneutronics) .. 27-28 Printer/Printer PCB/keypad .. 29-30 Battery .. 31-32 welch allyn Vital Signs Monitor Service ManualRevision 5:Test ProceduresSub-Section:Page:Calibration test .. tests .. test .. Test .. quality .. test .. Fail-safe Tests .. option testing .. option testing .. List for CBPM Service Work .. 6:Drawings, Schematics, Board Layouts, Bill of MaterialsSECTION 7:Repair Test SpecificationsSpecifications .. : PRIOR TO DOING REPAIR WORK, USE GROUNDING MAT ANDANTI-STATIC WRIST STRAP TO MINIMIZE RISK OF DAMAGE TO SENSITIVEELECTRONIC 1: General InformationWelch allyn Vital Signs Monitor Service ManualRevision To Service Personnel:Read and understand the welch allyn Vital Signs Monitor Operator Manual and this ServiceManual.

4 The information contained in both of these publications is subject to change withoutnotice and should not be construed as a commitment by welch allyn , allyn assumes no responsibility for any errors that may appear in this Manual . If theproduct and/or its operation varies significantly from any description herein, please contact theWELCH allyn TECHNICAL Service DEPARTMENT:1-800-450-9275(828) 684-4895 Fax (828)687-9323 welch allyn , Old Shoals RoadArden, North Carolina 28704 This product has been designed to provide a high degree of safety and reliability. However, wecan not guarantee against: deterioration of components due to aging, normal wear, tampering,and Service and repairs must be performed by authorized welch allyn personnel or agents, usingapproved welch allyn replacement parts and approved process materials. Failure to so willinvalidate the product warranty. Please refer to the product warranty for specific allyn , Old Shoals RoadArden, North Carolina 28704 USA1 800 450-9275 CAUTION WHEN USING ADHESIVES:ALWAYS WEAR SAFETY GLASSES AND PROVIDE ADEQUATE VENTILATION WHEN USINGADHESIVES, THEIR ACCELERATORS AND RTV SEALANTS.

5 READ, UNDERSTAND, AND COMPLYWITH SAFETY RECOMMENDATIONS IN THE MATERIAL SAFETY DATA SHEET MSDS) FOR THESEMATERIALS. SUPER-GLUES (CA ADHESIVES) CAN CAUSE CORNEAL DAMAGE IF ACCIDENTLYSQUIRTED IN THE EYES, AND CAN SPONTANEOUSLY COMBUST IF SPILLAGE IS WIPED UP WITHCLOTH OR PAPER TISSUES. READ THE WARNINGS AND CAUTIONS PRINTED ON THE BOTTLES ORTUBES OF THESE GLUES!1 Section 1: General InformationWelch allyn Vital Signs Monitor Service ManualRevision Limited WarrantyWelch allyn warrants the welch allyn Vital Signs Monitor , when new, to be freeof defects in material and workmanship and to perform in accordance withmanufacturer s specifications for a period of two years from the date of purchasefrom welch allyn or its authorized distributors or agents. welch allyn will eitherrepair or replace any components found to be defective or at variance frommanufacturer s specifications within this time at no cost to the customer.

6 It shallbe the purchaser s responsibility to return the instrument to welch allyn or anauthorized distributor, agent or Service representative. This warranty does notinclude breakage or failure due to tampering, misuse, neglect, accidents, modifi-cation or shipping. This warranty is also void if the instrument is not used inaccordance with manufacturer s recommendations or if repaired by other thanWelch allyn or an authorized agent. Purchase date determines warranty re-quirements. No other express warranty is receive Service assistance or to ask questions regarding this warranty, please call or write: welch allyn Technical Services Old Shoals RoadArden, North Carolina 28704 USA1 (800) 450-9275 or (828) 684-4895 Fax: (828) 687-9323 Service PolicyAll repairs on products under warranty must be performed or approved by a welch AllynService Center. Unauthorized repairs will void the warranty.

7 Products out of warrantyshould be repaired by qualified electronics personnel or a welch allyn Service AssistanceIf you have an equipment problem that you cannot resolve, call the welch allyn ServiceCenter nearest you for assistance. Technical Service support is available to you by tele-phone on normal business days, from 8:30AM until 4:30PM Eastern Standard Time at thephone numbers listed on the next 1: General Information welch allyn Vital Signs Monitor Service ManualRevision returning a product for repair you must obtain authorization from WelchAllyn. An RGA (Return Goods Authorization) number will be given to you by ourservice personnel. Be sure to note this number on the outside of your shippingbox. Returns without an RGA number will not be accepted for CustomersWelch allyn , Service Centers95 Old Shoals RoadArden, NC 28704-9739 USAP hone: 828-684-4895 Fax: 828-687-9323 welch allyn GmbHTechnical Service CenterZollerstrasse 2-4 RoadD-7241 7 JungingenGERMANYP hone: [49]-7477-9271-73 Fax: [49]-7477-9271-93 welch allyn Golden Mile to 6001 Beach RoadSingapore 199589 REPUBLIC OF SINGAPOREP hone: [65]-29l-0882 Fax: [65]-291-5780 welch allyn Service CentersFor Service or RepairCANADA CustomersWelch allyn Canada LimitedTechnical Service Centers160 Matheson Blvd.

8 , EastMississauga, Ontario L4Z1 V4 CANADAPh: 905-890-0004 or 1 800-561-8797 Fax: 905-890-0008 INTERNATIONAL CustomersWelch allyn Australia Pty. Service CenterGround Floor, 18-20 Orian RoadLane Cove NSW 2066 AUSTRALIAP hone: [61]-29-4183-155 Fax: [61]-29-4183-650 LATIN AMERICA CustomersMDI InternationalTechnical Service Centers7324 SW 48th StreetMiami, FL 33155 USAP hone: 305-669-9591 Fax: 305-669-l 9714 welch allyn \N!!Section 1: General InformationWelch allyn Vital Signs Monitor Service ManualRevision Basic System DescriptionIntroductionThe welch allyn Vital Signs Monitor is designed to non-invasively andautomatically measure systolic and diastolic pressure, pulse rate, tempera-ture and oxygen saturation (SpO2) for adult and pediatric patients. All pres-sure, pulse, temperature and SpO2 values are displayed on large, easy-to-read displays, and may be printed via an integrated thermal printer, rechargeable battery and wide variety of mounting accessories makethe Clinical Monitor convenient for many locations.

9 The operator maychoose any combination of simultaneous measurement modalities. Thisflexibility, combined with features such as programmable alarms and auto-matic BP cycles, makes the Clinical Monitor ideal for a wide variety of pa-tient monitoring to the Operator Manual PART NUMBER 5200-85 (SPECIFY LAN-GUAGE) Section 1 for complete information on Indications For Use, SpecialFeatures, Supplies and Accessories5 Section 1: General InformationWelch allyn Vital Signs Monitor Service ManualRevision Basic System Blood Pressure Operating Modesa. Max/Min Blood Pressure and Pulse Rangesb. Blood Pressure Manual Modec. Blood Pressure Auto Temperature Operating Modesa. Max/Min Temperature Rangesb. Temperature Normal Modec. Temperature Monitor SpO2 Operating Modea. Max/Min SpO2 Rangesb. SpO2 Monitor Pulse Rate FeatureMax/Min Pulse Rate Ranges7 Section 1: General InformationWelch allyn Vital Signs Monitor Service ManualRevision Blood Pressure Operating ModesWhen a blood pressure measurement cycle is initiated, the cuff will automatically beinflated to the operator selected pressure cuff will immediately begin to deflate in a stepped fashion and will determine systolicpressure and diastolic pressure from the pulses sensed by the cuff at various pressurelevels.

10 This is the oscillometric method of non-invasive blood pressure pressure measurements may be initiated manually, or automatically at time inter-vals determined by the the completion of a measurement cycle the systolic and diastolic pressures are dis-played. If the Monitor is in Automatic Mode, the measured values are kept on display untilthe next BP measurement is initiated. When not in Automatic Mode, the measured val-ues are displayed for two minutes, after which time the display screen is blanked. Themost recent BP measurement may be recalled by pressing the REVIEW in Automatic Mode, if the unit is unable to determine the systolic or diastolic value,the measurement will be automatically repeated Max/Min Blood Pressure RangesThe maximum and minimum ranges of blood pressure are detailed below:MeasurementMaximumMinimumSystolic Pressure250 mmHg60 mmHgDiastolic Pressure160 mmHg30 mmHg8 Section 1: General InformationWelch allyn Vital Signs Monitor Service ManualRevision Blood Pressure Manual ModeIn the Manual Mode, a single blood pressure determination is made only when theSTART button is pushed.


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