Valleylab Force 2-2 PCH User manual

Service Manual
Force
™
2
Electrosurgical Generator

ii Force 2 Service Manual
The following service instructions are for use only by personnel qualified
to repair and service the equipment described in this manual.
This service manual covers the installation and basic service instructions
for the Force™ 2 Electrosurgical Generator. Also included are sections
covering the technical specifications, circuit descriptions, and the testing
of the generator. Instructions for use and cautions and warnings
concerning electrosurgery are in the Force™ 2 Electrosurgical Generator
User’s Guide supplied with the generator.
Equipment covered in this manual:
The Force™ 2 Electrosurgical Generator Service Manual consists of two
parts—the text (part 1 of 2) and a Schematics Supplement (part 2 of 2)
which contains the schematics.
Valleylab part number:
945 103 106 (1 of 2)
Effective date:
October 2004
Force™ 2 and REM™ are trademarks of Valleylab.
The Force 2 generator is protected by one or more of the following U.S.
patents and their foreign counterparts: 4,632,109, 4,658,819, 4,658,820,
4,827,927, 5,190,517.
Manufactured by
Valleylab, a division of Tyco Healthcare Group LP
Boulder, CO 80301-3299 USA
Tyco Healthcare UK Ltd.
Gosport, PO13 0AS, UK
For information call
1-800-255-8522 / 1-303-530-2300
© 2004 Valleylab All rights reserved.
Made in USA
Printed in USA
Caution
Federal (USA) law restricts this device to sale by or on the order of a physician.
Electrosurgical Generator Vac Nominal Hertz
Force™ 2-2 PCH 110-120 50-60
Force™ 2-8 PCH 220-240 50-60

Force 2 Service Manual iii
Important
Conventions Used in this Guide
Indicates an operating tip or
maintenance suggestion.
Controls, indicators, and receptacles on the unit appear in bold capital
letters like this:
PURE CUT
.
Warning
Indicates a potentially hazardous situation, which if not avoided, could result in
death or serious injury.
Caution
Indicates a hazardous situation, which if not avoided, may result in minor or
moderate injury.
Notice
Indicates hazard which may result in product damage.
ATTENTION
Refer to the accompanying documents.
Type CF equipment
Low Leakage
Suitable for cardiac use
Defibrillator proof
Drip Proof
CAUTION
To reduce the risk of electric shock, do not remove cover. Refer servicing
to qualified service personnel.
The generator is high frequency isolated per IEC 601-2-2.
DANGER
Explosion Hazard: Do not use in the presence of flammable anaesthetics.

iv Force 2 Service Manual
Valleylab Service Centers
Valleylab
Boulder, Colorado, 80301-3299
USA
Ph: 303-530-2300
Toll Free: 800-255-8522
Tyco Healthcare Nederland B.V.
Technical Service Center
De Beverspijken 37
5221 EE ’s-Hertogenbosch
THE NETHERLANDS
Ph: 073-6312412
Fax: [phone]
Auto Suture France S.A.
2, rue Denis Diderot
La Clef de Saint Pierre
78990 Elancourt, FRANCE
Ph: 33 (0)1 30 79 80 40
Fax: [phone]
Tyco Healthcare Deutschland
Tempelsweg 26
47918 Tonisvorst, GERMANY
Ph: 49 (0)2151 7096 92
Fax: [phone]
For the UK, Europe,
Middle East & Africa:
Tyco Healthcare UK Limited
Valleylab Service Centre
Unit 1a
Corinium Industrial Estate
Raans Road
Amersham
Bucks. HP6 6YJ
UNITED KINGDOM
Ph: 44 (0)1494 789200
FAX: [phone]
Tyco Healthcare Italia SpA
Via Gaetano Crespi, 12
20134 Milano, ITALY
Ph: 39 02 212181
Fax: [phone]
Tyco Healthcare Spain S.L.
C/Fructuos Gelabert, 6 – 8 planta 8a,
08970 – Saint Joan DESPI
Barcelona
SPAIN
Ph: 34-93-680-3370
Fax: [phone]
Tyco Healthcare Belgium B.V.
Generaal De Wittelaan 9/5
B-2800 Mechelen
BELGIUM
Ph: 32-15-298111
Fax: [phone]
Tyco Healthcare Austria GmbH
Jochen Rindt Str. 37
A-1230 Vienna
AUSTRIA
Ph: 43-1-610-3441
Fax: [phone]
Tyco Healthcare Norden AB (Denmark,
Finland, Iceland, Norway, Sweden)
Årstaängsvägen 11 B, II
SE-117 43 Stockholm
SWEDEN
Ph. [phone]
Fax [phone]
Tyco Healthcare PTY Ltd
Service & Technical Support
59 - 69 Halstead Street
Hurstville NSW 2220
AUSTRALIA
Ph: 61 2 9579 6066
Toll free hotline: [phone]
Fax: [phone]
Tyco Healthcare Japan
Regulatory Affairs Department
Technical Support Section
Customer Call Center
1-2-20 Heiwajima Ota-ku Tokyo-to JAPAN
Toll Free : 0120-073-008
Ph: 03-3764-0733
Fax: [phone]
Auto Suture Company, Canada
4490 Garand Street
Ville St. Laurent
Quebec, CANADA H4R 2A2
Ph: 514-334 -7602
Fax: [phone]

Force 2 Service Manual v
Table of Contents
Conventions Used in this Guide
iii
Valleylab Service Centers
iv
List of Figures
viii
Section 1. Service Warnings and Cautions
Section 2. Unpacking and Installation
Unpacking the Force 2 Generator
2-1
Responsibility of the Manufacturer
2-1
Preparing the Generator for Use 2-2
Power Requirements
2-2
Check the Power Connector
2-2
Ensure Proper Grounding
2-3
Perform a System Check
2-3
Section 3. Description of Controls, Indicators, and Receptacles
Controls
3-3
Indicators
3-4
Alarms 3-5
Receptacles
3-5
Rear Panel Functions
3-6
Section 4. Technical Specifications
Standard Conditions of Measurement
4-1
Operating Parameters
4-1
Storage and Shipping
4-1
Output Waveform
4-2
PCH Generator Output Characteristics
4-2
Output Configuration 4-2
Input Power Source
4-3
Force 2-2 PCH Generator
4-3
Force 2-8 PCH Generator
4-3
Line Regulation
4-3
Force 2-2 PCH Generator
4-3
Force 2-8 PCH Generator
4-3
High Frequency Risk Parameters
4-4

vi Force 2 Service Manual
Low Frequency Leakage (50-60 Hz)
4-4
Force 2-2 PCH Generator
4-4
Force 2-8 PCH Generator
(per VDE 0750 (IEC601-1), Section 19 for Class 1 Equipment)
4-4
REM Contact Quality Monitor
4-5
Audio Volume
4-5
Approximate Weight 4-5
Size
4-5
Classification
4-5
Type CF Equipment per IEC 601-1
4-5
Drip Proof per IEC 601-1
4-5
Output Power vs. Impedance Graphs 4-6
Section 5. Circuit Descriptions
Bipolar Display
5-1
Monopolar Control/Display
5-1
Mode Indicators
5-2
REM and RMOTE Indicators 5-3
RF Indicators
5-3
External Memory
5-4
Interface
5-5
Power Supply
5-6
RF Output 5-7
Section 6. Maintenance Procedures
Routine Maintenance and Inspections
6-1
Cleaning Instructions
6-1
General Testing Information
6-2
Recommended Test Equipment
6-3
Power Up Self-Test
6-3
Calibration
6-4
Calibration Procedure
6-4
REM Test Procedure 6-7
Line Frequency (50-60 Hz) Current Leakage Test Procedure
6-8
Bipolar and Monopolar Output RF Leakage Test Procedures
6-9
Typical Output Waveforms
6-10
TT-on Waveforms at TP12 on PSRF Board
6-13
RF Drive Waveforms at TP7-10 on PSRF Board
6-13
Clamp Waveform at TP11 on PSRF Board
6-14
Components Replacement Guidelines
6-15

Force 2 Service Manual vii
Section 7. Manufacturer Service
Returning the Equipment for Service
7-1
Returning the Force 2 Generator
7-2
Returning Circuit Boards and Other Subassemblies
7-2
Section 8. Service Parts List
Ordering Replacement Parts
8-1
Monopolar Control/Display Board
8-2
Bipolar Display Board
8-4
Interface Board
8-5
Power Supply RF Board 8-8
Heatsink Assembly
8-13
RF Out
8-13
HVDC
8-13
PS
8-13
Clamp
8-13
Generator Base Assembly
8-14
Appendix A. Warranty
Schematics Supplement. Assemblies and Schematics

viii Force 2 Service Manual
List of Figures
Figure 3-1. PCH Generator Front View 3-2
Figure 3-2. PCH Generator Rear View 3-2
Figure 4-1. PCH Generator Typical Output Power vs Load—Monopolar Cut
Modes 4-6
Figure 4-2. PCH Generator Typical Output Power vs Load—Monopolar Cut
Modes (continued) 4-7
Figure 4-3. PCH Generator Typical Output Power vs Load—Monopolar Coag
Modes 4-8
Figure 4-4. PCH Generator Typical Output Power vs Load—Bipolar Mode 4-9
Figure 6-1. Pure Cut 300 ΩLoad
Bipolar 100 ΩLoad 6-10
Figure 6-2. Blend 1 300 ΩLoad 6-10
Figure 6-3. Blend 2 300 ΩLoad 6-11
Figure 6-4. Blend 3 300 ΩLoad
Low Voltage Coag 300 ΩLoad 6-11
Figure 6-5. Coag 300 ΩLoad 6-12
Figure 6-6. 1-Cut/Bipolar
2-Blend 1
3-Blend 2
4-Blend 3/LV Coag
5-Coag 6-13
Figure 6-7. 1-Cut/Bipolar
2-Blend 1
3-Blend 2
4-Blend 3/LV Coag
5-Coag 6-13
Figure 6-8. Open Circuit 120W Coag 6-14
Schematics Supplement
Schematic 1. System interconnect diagram S-4
Schematic 2. Component/connector locations S-5
Schematic 3. Bipolar Display board S-6
Schematic 4. Bipolar Display board S-7
Schematic 5. Heatsink assembly, RF out S-8
Schematic 6. Heatsink assembly, clamp S-9
Schematic 7. Heatsink assembly, power supply S-10
Schematic 8. Heatsink assembly, HVDC S-11
Schematic 9. Monopolar keyboard S-12
Schematic 10. Monopolar keyboard S-12
Schematic 11. Footswitch board S-13

Force 2 Service Manual ix
Schematic 12. Power Supply board layout, page 1 of 2 S-15
Schematic 13. Power Supply board layout, page 2 of 2 S-16
Schematic 14. Power Supply board, page 1 of 6 S-17
Schematic 15. Power Supply board, page 2 of 6 S-18
Schematic 16. Power Supply board, page 3 of 6 S-19
Schematic 17. Power Supply board, page 4 of 6 S-20
Schematic 18. Power Supply board, page 5 of 6 S-21
Schematic 19. Power Supply board, page 6 of 6 S-22
Schematic 20. Interface board layout S-23
Schematic 21. Interface board, page 1 of 3 S-24
Schematic 22. Interface board, page 2 of 3 S-25
Schematic 23. Interface board, page 3 of 3 S-26
Schematic 24. Monopolar Control/Display board layout S-27
Schematic 25. Monopolar Control/Display board, page 1 of 13 S-28
Schematic 26. Monopolar Control/Display board, page 2 of 13 S-29
Schematic 27. Monopolar Control/Display board, page 3 of 13 S-30
Schematic 28. Monopolar Control/Display board, page 4 of 13 S-31
Schematic 29. Monopolar Control/Display board, page 5 of 13 S-32
Schematic 30. Monopolar Control/Display board, page 6 of 13 S-33
Schematic 31. Monopolar Control/Display board, page 7 of 13 S-34
Schematic 32. Monopolar Control/Display board, page 8 of 13 S-35
Schematic 33. Monopolar Control/Display board, page 9 of 13 S-36
Schematic 34. Monopolar Control/Display board, page 10 of 13 S-37
Schematic 35. Monopolar Control/Display board, page 11 of 13 S-38
Schematic 36. Monopolar Control/Display board, page 12 of 13 S-39
Schematic 37. Monopolar Control/Display board, page 13 of 13 S-40

Notes
x Force 2 Service Manual