Rockford S.C.

Quantum™ PSV Pressure Support Ventilator

Service Manual

△

Respironics, Inc.®

1501 Ardmore Blvd.

Pittsburgh, PA 15221

Phone: 1-800-345-6443

Fax: 1-800-886-0245

△

Respironics Georgia, Inc.®

1255 Kennestone Circle

Marietta, GA 30066

Phone: 1-800-421-8754

Fax: 1-770-499-0117

Respironics $ ^{\circledR} $ Deutschland

Gewerbesterasse 17

D-82211 Herrsching Germany

Section 1.0 Introduction ..... 6
About this Manual
Servicing and Warranty
Service Location
Service and Inspection Forms
Recommended Service, Repair, and Test Equipment
Engineering Change Orders
Equipment Inspection
Authorized Service Centers
Servicing Guidelines

Section 2.0 Warnings and Cautions ..... 14
Warnings
Cautions
ESDS Warnings and Cautions

Section 3.0 Specifications and Alarms ..... 18
Front Panel Controls
Performance Specification
Physical Specifications
Power Requirements
Output Signals
Alerts
Front Panel Visual Indicators
Rear Panel Visual Indicators
Rear Panel
Power Alert
Patient Alert
System Alert

Section 4.0 Troubleshooting Chart ..... 24

Section 5.0 Operational Checks ..... 29
Operational Checks
Using an RT-200
Visual Inspection
AC Line Indicator
Diagnostic Check
Panel Lock Check
CPAP/EPAP Control
IPAP Control
Low Pressure CPAP Performance Check
High Pressure CPAP Performance Check
Risetime Control
BPM Control
%I Time Control
Bar Graph Display Check
Mode Selection Check
Pressure Verification
CPAP Pressure Check
IPAP Pressure Check
Spontaneous Mode Check
Spontaneous/Timed Mode Check
Approximate Timing Check
Power Alert Check
Patient Alert Check
System Alert Check
Estimated Parameters Check
Communication Port Check
Analog Pressure Output Check
Analog Flow Output Check

Section 6.0 Preventive Service ..... 40
Preventive Service Procedures
Mandatory Engineering Change Orders (ECOs)
Quality Assurance Checkout Procedures

Section 7.0 Disassembly, Inspection, and Reassembly ..... 44
Disassembly, Inspection, and Reassembly
Case Removal and Inspection
Intake Baffle Removal
Blower Assembly Removal
Fan Removal
Hour Meter Removal
AC Inlet Removal
Alarm Battery Replacement
Controller Board Removal
Encoder Board Removal
Power Board Removal
Front Panel Removal
Front Panel Bracket Removal
Alarm Assembly Removal
Display Board Removal
Valve Removal
Sensor Board Removal
Pressure Switch Removal
Solenoid Removal
Old Style Auxiliary Valves
Noise
Final Unit Reassembly

Section 8.0 ECO Changes ..... 58
Mandatory Engineering Change Orders
ECO #: 67266670 U31 Relay Replacement
ECO #: 6065 Fuse Drawer Change Out
ECO #: 5850 Valve Replacement
ECO #: 5769 CPU Board Upgrade
ECO #: 5557/5505 Hour Meter installation for New Style Back Panels
ECO #: 5465 Valve Replacement
ECO #: 5147 Controller Board Upgrade

Section 9.0 Run-In ..... 62
Run-In Requirements
Guidelines

Section 10.0 Calibration and Testing ..... 64
Calibration
Blower/Valve/Sensor Board Calibration
AC Line Indicator
Diagnostic Check
Mode Selection Check
Pressure Verification
CPAP Pressure Check
IPAP Pressure Check
Spontaneous Mode Check
Spontaneous/Timed Mode Check
Approximate Timing Check
Power Alert Check
Patient Alert Check
System Alert Check
Estimated Parameters Check
Communication Port Check
Analog Pressure Output Check
Analog Flow Output Check
Section 11.0 Parts List ..... 76
Service Kits
Parts List
Section 12.0 Theory of Operation ..... 80
System Components
Main Unit Internal Components
Physical Board Arrangement
Power Distribution
Power On/Off Control Subsystem
Alarm Circuit Subsystem
Encoder Board
Display Board
CPU Board
Control Board
Section 13.0 Schematics ..... 106

Introduction

About this Manual

Servicing and Warranty

Service Location

Service and Inspection Forms

Recommended Service, Repair, and Test Equipment

Engineering Change Orders

Equipment Inspection

Authorized Service Centers

Servicing Guidelines

About this Manual

▼ This manual is intended for use when servicing the Respironics® Quantum PSV 7700. Sections covering troubleshooting, circuit descriptions, and testing are included. Personnel servicing the Quantum PSV 7700 must be thoroughly familiar with the Quantum PSV 7700 Operating Manual and the ventilator's functions. The information contained within this document is subject to change without notice.

This procedure is written for a technician experienced in volt meter usage,