Force 2 Technical Training
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Transcript of Force 2 Technical Training
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Valleylab Technical Service Training
Breaks and Lunch Hands-on Contact information
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Valleylab Technical Service Training
Training Information• 1-800-255-8522 ext. 6800• [email protected]
Mark Donaldson• 303-530-6172• 800-255-VLAB ext. 6172• [email protected]
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Force 2
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Force 2
Controls, Indicators, and Receptacles
Technical Specifications Circuit Descriptions Schematic Overviews Testing and Calibration Troubleshooting
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Force 2
Controls• Standby• Ready• Monopolar• Bipolar • Up/Down • Pure Cut, Blend 1,2,3
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Force 2
Controls • Low Voltage
– Ready & Coag Down– “L” in Coag display
• Power Control (Handswitch Port) – Ready & Cut Down– Activate Power Control Handset – Increase or decrease power from handset
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Force 2
Indicators• Standby, Ready, Mono & Bipolar • Cut Modes• RF Power
– Monopolar, Bipolar• Remote• REM
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Force 2
Receptacles• Patient Return • Monopolar Handswitch/Accessory• Bipolar Active• Monopolar/ Bipolar Footswitch
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F2 Output Specifications
Frequency • Cut - 510kHz • Blend 1 - 510kHz, 50% duty cycle,
31kHz repetition rate • Blend 2 - 510kHz, 37.5% duty cycle,
31kHz rep. rate
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F2 Output Specs
Frequency
• Blend 3 - 510kHz, 25% duty cycle, 31kHz rep. rate
• Coag - 1 pulse every 31kHz• Bipolar - 510k
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WaveformsLow voltage
50 WattsHigh voltage
50 Watts
Pure Cut and Bipolar Blend 1 Blend 2 Blend 3 Pure Coag
100% on 50% on50% off
40% on60% off
25% on75% off
6% on94% off
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F2 Output Specs
Power in watts 15% of display
Loads-300 Monopolar, 100 Bipolar
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F2 Output Specs
Maximum power- Watts• 300-Cut• 250-Blend1• 200-Blend 2• 150-Blend 3• 120-Coag, 99 LV Coag• 70-Bipolar
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F2 Output Specs
Max.open Circuit - P to P Voltage• Cut 3500• Blend 1 3800• Blend 2 4000• Blend3 4000• Coag 7000• LV Coag 4000• Bipolar 1200
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F2 REM
Frequency 140k ± 20k
Range• non-rem 24ohms• rem 5-135 ohms
Autoranging 40% increase
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F2 Circuits
Interconnect Monopolar/display Interface Power Supply/RF Output
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F2 Interconnect
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F2 Display/Control S-28
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F2 Display/Control S-29
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F2 Display/Control S-30
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F2 Display/Control S-31
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F2 Display/Control S-31
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F2 Display/Control S-32
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F2 Display/Control S-33
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F2 Display/Control S-34
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F2 Display/Control S-35
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F2 Display/Control S-36
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F2 Display/Control S-37
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F2 Display/Control S-38
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F2 Display/Control S-39
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F2 Monopolar Display/Control
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F2 Monopolar Display/Control
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F2 Monopolar Display/Control
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F2 Monopolar Display/Control
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F2 Monopolar Display/Control
Lights 7-segment displays and indicator lamps
Processes keyboard and keying inputs
Performs adaptive REM
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F2 Monopolar Display/Control
Controls output power Energizes proper relays Develops RF waveforms
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F2 Interface
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F2 Interface
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F2 Interface
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F2 Interface
Isolated activation circuits for hand/footswitch
REM circuit Receptacle selection
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F2 PSRF
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F2 PSRF
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F2 PWM
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F2 PSRF
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F2 PSRF
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F2 PSRF
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F2 PSRF
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F2 PSRF
OEM Low Voltage supply +5,+12, and - 12Vdc
Off-Line DC-DC Switching converter 0-100Vdc
RF Output 8 output fet’s, Ton, Step up output transformer
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F2 Testing
Output power• 300 Monopolar 100 Bipolar• +/- 15% or 5W of Display
RF Leakage 150 Rfma REM
• 135 ± 5 Calibration only required for minor
adjustments
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Power vs. Impedance
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FORCE FX Macrobipolar #1 Bipolar Cut #2 Bipolar Cut
Pow
er
in W
att
s
Impedance/Resistance in Ohms
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F2 Calibration
High Voltage Clamp• measured @ TP 11• 120 W Coag setting open circuit• Adjust R19 for 440V ± 15V peak
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F2 Calibration
Output power • pages 6-5, 6-6• Do not adjust potentiometers fully
clockwise • Do not do step 8 unless you have the
correct loads.
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F2 Calibration
REM• Alarms 135 +/- 5, 40% Increase
REM Adjustments• R11 140khz +/- 20khz TP 4• R15 trip 135 +/- 5 TP 3• R16 pulse width 100Hz+/- 10Hz TP
2• REM Alarm@135 ohms TP3 ~ 4.5VDC
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F2 Troubleshooting
No output (any output jack)• Output FETs Q1-4, 6-9 • Power supply FETs (f1) open
– Q25-28, – cr21-24
No output (one output jack)• Relay K1,K2,or K3• Jackstrip board
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F2 Troubleshooting
REM Alarm• Rem adapter assembly
Won’t activate• photo-isolators• Jacks
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F2 Troubleshooting
Display won’t adjust• Keyboards
Does not turn on• power cord• Low voltage power supply• Ribbon cable