Welch Allyn 53000 Service Manual

66 Disassembly procedure Welch Allyn VSM 300 Series
(* Denotes optional hardware.)
6. Remove the main board.
Main board reassembly notes
Older main boards (version 031-0150-01)
To reconnect the main board power connector (J3), be certain that the cable connector is
oriented with the slotted side up...
Order of disconnection
Main-board
Connector
Connects With Main-board
Connector
Connects With
1 J4 Nurse call connector 5 J9 NIBP board
2 J8 * Printer data – CN3 6 J7 * SpO
2
board – J2
3 J10 * Printer power – CN1 7 J11 Speaker
4 J3 Battery
J1
J2
J3
J4
J12
(on the back
side of the
board)
J6
J7
J8
J9
J10
J11
J5
(on the back
side of the
board)
Caution Take care when reconnecting the main board power connector (J3). If
the cable connector is connected improperly, the monitor could be damaged
when power is applied.

Welch Allyn 53000 Specifications

General

Brand	Welch Allyn
Model	53000
Category	Medical Equipment
Language	English

Summary

Safety

General Safety Considerations

Essential safety points for monitor usage and patient care, including placement, connections, and environmental factors.

Electrostatic Discharge (ESD)

Guidelines for handling sensitive electronic components to prevent damage from static electricity during servicing.

Symbols and Labels

Explanation of documentation, certification, shipping, and connector symbols used in the manual.

Service Overview

Purpose and Scope

Defines the manual's purpose for maintenance and corrective service of the Vital Signs Monitor 300 Series.

Technical Support and Service Options

Details Welch Allyn's technical support, service options, warranty, and product return procedures.

Product Configurations and Intervals

Details various monitor configurations and outlines recommended service intervals and associated actions.

Functional Verification

Overview and Equipment Requirements

Describes the functional verification process and lists the necessary test equipment and accessories.

Verification Procedures

Step-by-step guide for testing monitor functions including System/Power, NIBP, SpO2, Temperature, Nurse Call, and Patient Isolation.

Troubleshooting and Repair

Troubleshooting Chart and Module Repair

Provides a chart of common symptoms, causes, and remedies, plus requirements for module-level repair.

Welch Allyn Monitor Service Utility

Overview of the service utility software for characterizing NIBP, managing logs, and updating monitor software.

Disassembly Procedure

Procedures Overview and Safety

Overview of disassembly, safety precautions, connector types, and screw torque specifications.

Battery and Chassis Separation

Instructions for disconnecting the battery and separating the monitor's front and rear chassis assemblies.

Module and Board Removal

Detailed steps for removing the main board, NIBP, printer, temperature, and SpO2 modules.

Replacement Parts

Front and Rear Case Parts

Lists field-replaceable service parts for the front and rear cases, including part numbers and descriptions.

Module and Option Parts

Details replacement parts for NIBP, Temperature, SpO2 (Nellcor/Masimo), and Printer options.

Labels and Service Tools

Lists various labels for overlays, error codes, safety, and essential special service tools and utilities.

Updates and Service Bulletins

DC Power Cable Clamp

Describes a clamp to prevent the DC power cord from disconnecting, available at no cost.