Valleylab Force FX-8C Manuals

Valleylab Force FX-8C Manuals

Manuals and User Guides for Valleylab Force FX-8C. We have 1 Valleylab Force FX-8C manual available for free PDF download: Service Manual

Valleylab Force FX-8C Service Manual

Valleylab Force FX-8C Service Manual (218 pages)

Electrosurgical Generator with Instant Response™ Technology

Brand: Valleylab | Category: Medical Equipment | Size: 2.51 MB

Table of Contents

Conventions Used in this Guide
3
Table of Contents
4
List of Figures
10
Section 1. Introduction

13
- General Description
  14
- List of Components
  15
- Service Personnel Safety
  15
  - General
    15
  - Fire/Explosion Hazards
    16
  - Electric Shock Hazards
    17
  - Servicing
    17
  - Calibration
    18
  - Cleaning
    18
Section 2. Controls, Indicators, and Receptacles

19
- Front Panel
  20
- Bipolar Controls
  21
- Bipolar Instrument Receptacle
  22
- Monopolar Cut Controls
  23
- Monopolar Coag Controls
  24
- Monopolar Instrument Receptacles
  25
- REM Alarm Indicator
  25
- Rear Panel
  26
- Footswitch Receptacles
  27
  - Monopolar Footswitch Receptacles
    27
  - Bipolar Footswitch Receptacle
    27
- Power Entry Module
  28
- Activation Tone Volume Control
  28
- Option Panel
  29
Section 3. Technical Specifications

31
Section 4. Principles of Operation

57
- Block Diagram
  58
- Functional Overview
  59
- Control Board
  61
  - Microcontrollers
    61
  - Main Microcontroller
    61
  - Feedback Microcontroller
    62
  - Shared RAM
    63
  - I/0 Expansion
    63
  - Keyboard Interface and Activation Inputs
    63
  - Power Supply Supervisor Circuit
    64
  - A/D and D/A Conversion
    64
  - Waveform Generation (T_ON ASIC)
    64
  - T_ON Average Check
    65
  - Audio Alarm
    65
  - Serial Interface
    65
  - Dosage Error Algorithm
    66
  - Instant Response Algorithm
    67
- Front Panel
  68
  - Membrane Keyboard
    68
  - Power Switch
    68
  - REM Connector/Switch
    68
  - CEM Mechanism Switch
    68
- Display Board
  69
  - RF Indicator Lamps
    69
  - REM Indicators
    69
  - LED and Seven-Segment Display Drivers
    69
  - CEM Switch Circuit
    70
  - Mode Selection and Power Control Switches
    70
- Footswitch Board
  71
  - Footswitch Decode Circuit
    71
  - Audio Circuit
    72
- Power Supply/Rf Board
  73
  - Power Supply/Rf Board Interfaces
    74
  - High Voltage Power Supply
    74
  - Low Voltage Power Supply
    77
  - RF Output Stage
    77
  - Spark Control Circuit
    80
  - RF Leakage Reduction Circuit
    81
  - REM Circuit
    81
  - Isobloc Circuit
    81
  - Temperature Sense Circuits
    82
Section 5. Setup, Tests, and Adjustments

85
- Setting up the Generator
  86
- Periodic Safety Check
  97
- Calibrating the Generator
  108
  - Preparing for Calibration
    109
  - Entering Calibration Mode
    109
  - Exiting Calibration Mode
    110
  - Verify the Generator Data
    110
  - Adjust the Calendar
    111
  - Adjust the Clock
    112
  - Check and Adjust the REM Oscillator Frequency and Impedance
    113
  - Check and Adjust the Current Sense Gain
    114
  - Check and Adjust the Voltage Sense Gain
    116
  - Check and Adjust the Reactance Gain
    118
  - Check and Adjust the ECON Factor
    120
- Using the RS-232 Serial Port
  124
Section 6. Troubleshooting

129
- Inspecting the Generator
  129
  - Inspecting the Receptacles
    130
  - Inspecting the Internal Components
    131
- Correcting Malfunctions
  132
- Responding to System Alarms
  138
- Correcting IC U3 Malfunctions
  147
- Correcting IC U6 Malfunctions
  149
- Correcting T_ON ASIC Malfunctions
  151
- Correcting Battery-Backed RAM Malfunctions
  153
Section 7. Replacement Procedures

155
- Interconnect Diagram
  156
- Battery Replacement
  157
- Control Board Replacement
  158
- Display Board Replacement
  159
  - Remove the Display Board
    159
  - Install the Display Board
    160
- Display Board Seven-Segment LED Replacement
  161
- Fan Replacement
  162
- Footswitch Board Replacement
  162
- Front Panel Replacement
  163
- Front Panel REM Module Replacement
  165
- Front Panel Power Switch Replacement
  166
- Fuse Replacement
  167
  - Replacing Fuses in the Fuse Drawer
    167
  - Replacing the Fuse on the Power Supply/Rf Board
    168
- Left Front Heat Sink and Component Replacement
  169
- Left Rear Heat Sink and Component Replacement
  171
- Right Heat Sink and Component Replacement
  174
  - Remove the Right Heat Sink
    174
  - Replace Right Heat Sink Components
    175
  - Install the Right Heat Sink
    176
- Low Voltage Power Supply Replacement
  177
  - Remove the Low Voltage Power Supply
    177
  - Install the Low Voltage Power Supply
    178
- Power Entry Module Replacement
  179
  - Remove the Power Entry Module
    179
  - Install the Power Entry Module
    180
- Power Supply/Rf Board Replacement
  181
Section 8. Repair Policy and Procedures

185
- Responsibility of the Manufacturer
  185
- Returning the Generator for Service
  186
  - Obtain a Return Authorization Number
    186
  - Clean the Generator
    186
  - Ship the Generator
    187
- Returning Circuit Boards
  187
- Service Centers
  188
Section 9. Service Parts

189
- Ordering Replacement Parts
  189
- Generator Assembly
  190
  - Parts List
    192
- Front Panel Assembly
  194
  - Parts List
    196
- Control Board Components
  197
- Display Board Components
  198
- Footswitch Board Components
  199
- Power Supply/Rf Board Assembly
  202
  - Parts List
    204
- Power Supply/Rf Board Components
  206

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