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Force FX Electrosurgical Generator C Service Manual

4-1

Principles of Operation

This chapter provides detailed information about how the Force FX
Electrosurgical Generator C functions and how the internal components interact.

The circuitry resides on four printed circuit boards: the Control board, the Display
board, the Footswitch board, and the Power Supply/RF board.

This chapter includes the following information:

• A block diagram that illustrates how the generator functions

• A general description of how the generator works

• Detailed descriptions of the circuitry for each printed circuit board

Chapter 4

Summary of Contents for Force FX

Page 1: ...Service Manual Force FX TM Electrosurgical Generator C...

Page 2: ...tor C 110 V Nominal 230 V Nominal auto selected The Force FX Electrosurgical Generator C Service Manual consists of two parts the text part 1 of 2 and a Schematics Supplement part 2 of 2 which contain...

Page 3: ...r of the covered product s There are no warranties which extend beyond the terms hereof Covidien disclaims any liability hereunder or elsewhere in connection with the sale of products and for any form...

Page 4: ...disassemble or reverse engineer the Software ii modify or create any derivative works including without limitation translations transformations adaptations or other recast or altered versions based o...

Page 5: ...e in Customer s possession and certify compliance with all of the obligations herein to COVIDIEN in writing Limited Warranty COVIDIEN represents and warrants to Customer that the Software will perform...

Page 6: ...Government Rights The Software is a commercial item developed exclusively at private expense consisting of commercial computer software and commercial computer software documentation as such terms ar...

Page 7: ...ion 1 5 Cleaning 1 6 Chapter 2 Controls Indicators and Receptacles Front Panel 2 2 Bipolar Controls 2 3 Bipolar Instrument Receptacle 2 4 Monopolar Cut Controls 2 5 Monopolar Coag Controls 2 6 Monopol...

Page 8: ...ctromagnetic Interference 3 17 Electromagnetic Compatibility 3 17 Cables Used for the Force FX EMC Test 3 18 Voltage Transients Emergency Generator Mains Transfer 3 19 Output Characteristics 3 23 Maxi...

Page 9: ...itch 4 13 REM Connector Switch 4 13 CEM Mechanism Switch 4 13 Display Board 4 14 RF Indicator Lamps 4 14 REM Indicators 4 14 LED and Seven Segment Display Drivers 4 14 CEM Switch Circuit 4 15 Mode Sel...

Page 10: ...ator 5 18 Verifying REM Function 5 19 Confirming Outputs 5 19 Checking the Bipolar Output 5 19 Checking Output for the Monopolar Cut Modes 5 20 Checking Output for the Monopolar Coag Modes 5 22 Checki...

Page 11: ...lacement 7 7 Fan Replacement 7 7 Footswitch Board Replacement 7 8 Front Panel Replacement 7 9 Remove the Front Panel Assembly 7 9 Remove and Reinstall the Front Panel Components 7 9 Install the Front...

Page 12: ...7 27 Install Components on the New Board 7 28 Install the Power Supply RF Board Assembly 7 29 Chapter 8 Repair Policy and Procedures Responsibility of the Manufacturer 8 2 Returning the Generator for...

Page 13: ...is manual provides instructions for servicing the Covidien Force FX Electrosurgical Generator C with Instant ResponseTM technology This chapter introduces the features and components of the generator...

Page 14: ...ort RS 232 serial port and expansion port ValleylabTM Argon Gas Delivery Unit II system compatibility List of Components The Force FX Electrosurgical Generator C is a self contained unit consisting of...

Page 15: ...the generator or place the generator on top of electrical equipment except a Valleylab Argon Gas Delivery Unit II or a CUSA EXcel unit These configurations are unstable and or do not allow for adequat...

Page 16: ...Contact Quality Monitoring System Warning Danger Explosion Hazard Do not install the generator in the presence of flammable anesthetics gases liquids or objects Fire Hazard Do not place active access...

Page 17: ...f the generator Precaution Read all warnings cautions and instructions provided with this generator before servicing The generator contains electrostatic sensitive components When repairing the genera...

Page 18: ...ance gain Z factor while the generator is activated After calibration the generator will be ready to use only after you initiate the internal self test by turning the generator off then on Calibrate t...

Page 19: ...ectrosurgical Generator C Service Manual 2 1 Controls Indicators and Receptacles This chapter describes the front and rear panels including all controls indicators receptacles the fuse drawer and port...

Page 20: ...ettings Bipolar controls Cut controls Coag controls CEM indicator Bipolar instrument receptacle Monopolar 1 CEM instrument receptacle Monopolar 2 instrument receptacle Power switch This switch supplie...

Page 21: ...ctivation tone sounds Power buttons Press to increase the power Press to decrease the power Macro mode button Select for macrobipolar output Standard mode button Select for standard bipolar tissue des...

Page 22: ...nstrument receptacle Connect a footswitching instrument with a two pin connector or Connect a handswitching instrument with a three pin connector Precaution Connect accessories to the proper receptacl...

Page 23: ...ation tone sounds Power buttons Press to increase the power Press to decrease the power Mode indicators Illuminate green when you press the corresponding mode button Blend mode button Select for slowe...

Page 24: ...than in fulgurate mode Fulgurate mode button Select to fulgurate an area of tissue with a spray of sparks This unit is equipped with an additional fulgurate mode which incorporates a lower crest fact...

Page 25: ...otswitching instrument or a three pin handswitching instrument or A four pin CUSA handpiece with CEM nosecone The CEM indicator in the upper right of the front panel illuminates green Refer to Connect...

Page 26: ...ator does not illuminate If the REM system senses an alarm condition the indicator flashes red until you correct the alarm condition then the indicator illuminates green If you are using a return elec...

Page 27: ...Monopolar 1 Footswitch receptacle The connected footswitch activates monopolar output for the instrument that is connected to the Monopolar 1 CEM Instrument receptacle on the front panel Connect a two...

Page 28: ...t the volume of the tones that sound when the generator is activated activation tone To ensure that the surgical team is alerted to inadvertent activation these tones cannot be silenced To increase th...

Page 29: ...7 The three ports behind the option panel Precaution To avoid product damage do not operate the Force FX Electrosurgical Generator C without an appropriate cover plate in place Expansion port Allows...

Page 30: ......

Page 31: ...anual 3 1 Technical Specifications All specifications are nominal and subject to change without notice A specification referred to as typical is within 20 of a stated value at room temperature 77 F 25...

Page 32: ...75 1 9 cm each Mounting Universal cart UC8009 CUSA EXcel System a Valleylab Argon Gas Delivery Unit II or any stable flat surface Width 14 35 6 cm Depth 18 45 7 cm Height 4 3 8 11 1 cm Weight 18 lb 8...

Page 33: ...h an alarm tone sounds and a number 451 flashes in the Cut display alternately with the power settings You can activate the generator and change the power settings while this condition exists Ambient...

Page 34: ...ed to maintain the time of day and date has 114 bytes of nonvolatile battery backed RAM that is used as a secondary backup for all the calibration data power on settings and memory settings stored in...

Page 35: ...Resistance Range REM resistance measurements are 10 during RF activation and 5 when RF output is not activated REM Polyhesive Patient Return Electrode 5 to 135 or up to a 40 increase in the initial me...

Page 36: ...ed resistance between the patient return electrode pins exceeds 20 the REM Alarm indicator flashes red a tone sounds twice and RF output is disabled The indicator remains illuminated red until you cor...

Page 37: ...ctivated by an external device disables active RF output Pin 10 RF current output signal proportional to active RF current Pin 11 RF voltage output signal proportional to active RF voltage Expansion p...

Page 38: ...imum 10 A 125 VAC Unit receptacle IEC female minimum 10 A 125 VAC 100 120 Volt 220 240 Volt Maximum VA at nominal line Voltage Idle 52 VA Bipolar 450 VA Cut 924 VA Coag 530 VA Maximum VA at nominal li...

Page 39: ...data from store Recall button ISO 7000 1026 Consult instructions for use Indicates the operating instructions should be considered when operating the device ISO 7000 1641 Caution Indicates that cauti...

Page 40: ...cutting mode Pure cutting mode IEC 60417 5780 Electrosurgery blended cutting mode Blend cutting mode IEC 60417 5781 Electrosurgery coagulation mode Desiccate coagulation mode Fulgurate coagulation mo...

Page 41: ...93 06 Monopolar 1 CEM instrument receptacle Monopolar 2 instrument receptacle Patient return electrode receptacle For monopolar electrosurgery connect a patient return electrode to this receptacle REM...

Page 42: ...turer Indicates the medical device manufacturer as defined in European Council Directives 90 385 EEC 93 42 EEC and 98 79 EC ISO 7000 3082 Catalogue number Indicates the manufacturer s catalogue number...

Page 43: ...Not to be used in residential areas IEC 60417 5109 Footswitch Monopolar footswitch IEC 60417 5114 Footswitch Bipolar footswitch IEC 60417 5114 Non ionizing electromagnetic radiation IEC 60417 5140 Ge...

Page 44: ...ion Federal law restricts this device to sale by or on the order of a licensed healthcare practitioner FDA GOST mark Russian approval GOST CE marking Not made with natural rubber latex Symbol Definiti...

Page 45: ...y Caution Federal law restricts this device to sale by or on the order of a licensed healthcare practitioner FDA GOST mark Russian approval GOST CE marking Not made with natural rubber latex Date of m...

Page 46: ...icates a serial number so that a specific medical device can be identified ISO 7000 2498 Authorized representative in the European community Indicates the authorized representative in the European com...

Page 47: ...ic compatibility Notice The Force FX Electrosurgical Generator C should not be used adjacent to or stacked with equipment other than specified in the Force FX Electrosurgical Generator C User Guide an...

Page 48: ...tswitch 15 ft Rear panel bipolar E6008B Monopolar footswitch 15 ft Rear panel mono 1 E6008B Monopolar footswitch 15 ft Rear panel mono 2 VLCM Bipolar current monitor 24 ft Rear panel EA3730 EKG blanki...

Page 49: ...Electrosurgical Generator C should ensure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 The Force FX Electrosurgi...

Page 50: ...nt Surge IEC 61000 4 5 1 kV differential mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environment Voltage dips s...

Page 51: ...f the Force FX Electrosurgical Generator C including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation...

Page 52: ...ended for use in an electromagnetic environment in which radiated RF disturbances are controlled The Customer or the user of the Force FX Electrosurgical Generator C can help prevent electromagnetic i...

Page 53: ...Standard Macro 450 V 320 V 750 V 100 100 100 70 W 70 W 70 W 1 5 1 5 1 5 Monopolar Cut Low Pure Blend 1350 V 2300 V 3300 V 300 300 300 300 W 300 W 200 W 1 5 1 5 2 5 Monopolar Coag Desiccate Fulgurate L...

Page 54: ...0 V 300 100 W 1 5 Monopolar Coag Desiccate 3500 V 500 70 W 5 0 An indication of a waveform s ability to coagulate bleeders without a cutting effect 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2...

Page 55: ...80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 45 50 55 60 65 70 75 80 85 90 95...

Page 56: ...470 kHz sinusoid Low 390 kHz sinusoid Similar to the Pure cut mode except the maximum voltage is limited to a lower value Pure 390 kHz sinusoid Blend 390 kHz bursts of sinusoid recurring at 27 kHz in...

Page 57: ...cific power settings Note These curves represent the lower and upper limits of output power with tolerance included The normal output power will be halfway between these two curves Bipolar Graphs The...

Page 58: ...trosurgical Generator C Service Manual Output power vs impedance for Precise bipolar 70W mode Open circuit peak voltage vs output power for Precise bipolar mode Load Resistance ohms Output Power watts...

Page 59: ...ut Power vs Resistance Graphs Technical Specifications Force FX Electrosurgical Generator C Service Manual 3 29 Output power vs generator settings Precise bipolar mode Output Power watts Generator Set...

Page 60: ...de only the power curve will reflect both High and Low output values between the impedance range of 475 600 ohms This is based on the sensed impedance value the generator calculates and the tolerances...

Page 61: ...almost completely desiccated By dropping to lower output power levels we allow the surgeon sufficient time to deactivate the output before tissue sticking occurs Open circuit peak voltage vs output po...

Page 62: ...X Electrosurgical Generator C Service Manual Macrobipolar Mode Output power vs impedance for Macrobipolar 35W mode Output power vs impedance for Macrobipolar 70W mode Load Resistance ohms Output Power...

Page 63: ...orce FX Electrosurgical Generator C Service Manual 3 33 Open circuit peak voltage vs output power for Macrobipolar mode Output power vs generator settings Macrobipolar mode Output Power watts Open Cir...

Page 64: ...34 Force FX Electrosurgical Generator C Service Manual Monopolar Cut Graphs These measurements were taken using short 0 5 meter leads Low Cut Mode Output power vs impedance for Low cut 150W mode Load...

Page 65: ...s Force FX Electrosurgical Generator C Service Manual 3 35 Output power vs impedance for Low cut 300W mode Open circuit peak voltage vs output power for Low cut mode Load Resistance ohms Output Power...

Page 66: ...Output Power vs Resistance Graphs 3 36 Force FX Electrosurgical Generator C Service Manual Output power vs generator settings Low cut mode Output Power watts Generator Setting...

Page 67: ...ions Force FX Electrosurgical Generator C Service Manual 3 37 Pure Cut Mode Output power vs impedance for Pure cut 150W mode Output power vs impedance for Pure cut 300W mode Load Resistance ohms Outpu...

Page 68: ...FX Electrosurgical Generator C Service Manual Open circuit peak voltage vs output power for Pure cut mode Output power vs generator settings Pure cut mode Output Power watts Open Circuit Peak Voltage...

Page 69: ...er vs Resistance Graphs Technical Specifications Force FX Electrosurgical Generator C Service Manual 3 39 Blend Cut Mode Output power vs impedance for Blend cut 100W mode Load Resistance ohms Output P...

Page 70: ...X Electrosurgical Generator C Service Manual Output power vs impedance for Blend cut 200W mode Open circuit peak voltage vs output power for Blend cut mode Load Resistance ohms Output Power watts Outp...

Page 71: ...utput Power vs Resistance Graphs Technical Specifications Force FX Electrosurgical Generator C Service Manual 3 41 Output power vs generator settings Blend cut mode Output Power watts Generator Settin...

Page 72: ...ce FX Electrosurgical Generator C Service Manual Monopolar Coag Graphs These measurements were taken using short 0 5 meter leads Desiccate Coag Mode Output power vs impedance for Desiccate coag 60W mo...

Page 73: ...FX Electrosurgical Generator C Service Manual 3 43 Output power vs impedance for Desiccate coag 120W mode Open circuit peak voltage vs output power for Desiccate coag mode Load Resistance ohms Output...

Page 74: ...Output Power vs Resistance Graphs 3 44 Force FX Electrosurgical Generator C Service Manual Output power vs generator settings Desiccate coag mode Output Power watts Generator Setting...

Page 75: ...Force FX Electrosurgical Generator C Service Manual 3 45 Fulgurate Coag Mode Output power vs impedance Fulgurate coag 60W mode Output power vs impedance Fulgurate coag 120W mode Output Power watts Lo...

Page 76: ...rce FX Electrosurgical Generator C Service Manual Output power vs peak voltage Fulgurate coag mode Output power vs generator settings Fulgurate coag mode Open Circuit Peak Voltage volts Output Power w...

Page 77: ...FX Electrosurgical Generator C Service Manual 3 47 LCF Fulgurate Coag Mode Output power vs impedance LCF Fulgurate coag 60W mode Output power vs impedance LCF Fulgurate coag 120W mode Load Resistance...

Page 78: ...orce FX Electrosurgical Generator C Service Manual Output power vs peak voltage LCF Fulgurate mode Output power vs generator settings LCF Fulgurate mode Open Circuit Peak Voltage volts Output Power wa...

Page 79: ...ations Force FX Electrosurgical Generator C Service Manual 3 49 Spray Coag Mode Output power vs impedance Spray coag 60W mode Output power vs impedance Spray coag 120W mode Load Resistance ohms Output...

Page 80: ...0 Force FX Electrosurgical Generator C Service Manual Output power vs peak voltage Spray coag mode Output power vs generator settings Spray coag mode Open Circuit Peak Voltage volts Output Power watts...

Page 81: ...nal components interact The circuitry resides on four printed circuit boards the Control board the Display board the Footswitch board and the Power Supply RF board This chapter includes the following...

Page 82: ...Block Diagram 4 2 Force FX Electrosurgical Generator C Service Manual Block Diagram A diagram of generator interconnections...

Page 83: ...and the level of tissue resistance For details refer to Instant Response Algorithm on page 4 12 Ultrasonic Electrosurgery The Force FX Electrosurgical Generator C works in conjunction with the CUSA E...

Page 84: ...the return electrode site and compares it to a standard range of safe resistance between 5 and 135 thus eliminating intermittent false alarms that could result from small changes in resistance The REM...

Page 85: ...break in continuity between the electrode and the generator the indicator illuminates red When resistance between the Patient Return Electrode receptacle pins exceeds 20 the REM Alarm indicator flash...

Page 86: ...ime feedback control of generator RF output The feedback microcontroller U11 which is a separate dedicated microcontroller handles the time critical real time feedback control of generator RF output A...

Page 87: ...AM A socket on the Control Board contains a 3 0 V lithium button cell battery BT that provides backup power to the DS12885Q T R Real Time clock U6 The device has several features including 114 bytes o...

Page 88: ...AM to these microcontrollers I 0 Expansion The FPGAs used in the Main and Feedback sections provide I Os logic blocks and to implement the glue Logic The FPGA is interfaced to the controller P80C562 o...

Page 89: ...on the Power Supply RF board and prescaling based on the expected input voltage or current values An AD7226 quad D A converter U15 provides 4 channel 8 bit D A capabilities for the feedback microcontr...

Page 90: ...calibrated value During wak control in the coag modes the T_ON average rises an indeterminate amount Due to this unknown the T_ON average is allowed to rise to 253 counts which guarantees the T_ON wa...

Page 91: ...s is not allowed to deviate from the current calculated by the primary sensors by more than 50 of the value calculated by the primary sensors In voltage control mode the voltage calculated by the back...

Page 92: ...e output current P is the power set by the user and R is the constant current to constant power impedance switchpoint Constant power the power set by the user is maintained Constant voltage the output...

Page 93: ...he generator The membrane also contains nine LEDs one for each mode A 25 pin flat ribbon cable connects the membrane keyboard switches and LEDs to the Display board Power Switch A double pole single t...

Page 94: ...ivation The RF indicator lamps are controlled by the BIP_LMP CUT_LMP and COAG_LMP signals These signals originate from the I O pins of main FPGA U16 on the Control board Buffers in U1 turn the RF indi...

Page 95: ...arge capacitance value of 47 F to supply the large spikes of current for the LEDs generated by the multiplexing action of the drivers which typically occurs at 250 Hz Resistor array R18 reduces the in...

Page 96: ...tible footswitch may cause unexpected output The bipolar footswitch connector J4 accepts a bipolar footswitch and provides footswitching capability for the Bipolar Instrument receptacle on the front p...

Page 97: ...P_TONE or RF_TONE is enabled low the voltage at the noninverting input of U1B is pulled below the Vref threshold present at U1B inverting input the open collector output of U1B is turned on grounding...

Page 98: ...and speaker SP1 comprise the final stage in the audio system The audio signal is AC coupled to the amplifier by C25 to eliminate the need for well controlled input biasing The voltage gain of U7 is s...

Page 99: ...r Power Entry Circuit The power entry circuit consists of an integral three wire power cord receptacle fuse drawer EMI filter and a separate power switch The power switch is mounted on the front panel...

Page 100: ...nd R6 discharge the capacitors when the AC line is disconnected or the power switch is turned off DC DC Switching Regulator The DC DC switching regulator is a buck derived pulse width modulated PWM tr...

Page 101: ...om gain switching in the Spray mode and is configured for unity gain in all other modes The output of U5 is a pair of 180 out of phase signals that are pulse width modulated by comparing ECON with the...

Page 102: ...re as follows Total output power cannot exceed 40 W RF Output Stage Low Voltage Supply J2 PIN Voltage PSRF Board BW14 PIN Test Point 1 ORG Lead 12 V 3 TP6 2 RED Lead 5 V 1 TP8 3 RED Lead 5 V 6 TP 8 4...

Page 103: ...ive optimum scaling The four AD827 high speed op amps along with the associated resistors capacitors and diodes form a precision full wave rectifier circuit U11B is a high input impedance follower to...

Page 104: ...n interrupted pulse train with a 50 duty cycle and a pulse train repetition rate of 27 kHz For a given power setting Blend gives a higher peak current providing better hemostasis than Pure or Low To m...

Page 105: ...pulse train with a pulse width of 2 s and a frequency of 39 kHz The output resonates with a frequency of 308 kHz Output Relays In all monopolar modes K13 is closed and routes patient return current t...

Page 106: ...obtained from the divider R58 R25 located on the primary side of T4 VSENSE is input to a negative peak detector U24A that generates the analog signal VPEAK Then U25A amplifies and inverts the signal...

Page 107: ...lator link from the output connected circuitry to the ground referenced low voltage circuitry Each handswitching output of the generator is associated with its own IsoBloc power source and isolated si...

Page 108: ...plied to the noninverting input of comparator U2A Resistors R15 and R16 determine the reference voltage When the temperature of NTC thermistor R19 is 40 C the reference voltage is set to be equal to t...

Page 109: ...Adjustment After unpacking or after servicing the Force FX Electrosurgical Generator C set it up and verify that it functions correctly If the Force FX Electrosurgical Generator C does not satisfactor...

Page 110: ...g cable to the grounding lug on the rear panel of the generator Then connect the cable to earth ground 4 Plug the generator power cord into the rear panel receptacle 5 Plug the generator power cord in...

Page 111: ...d Fulgurate coag illuminate green Each display shows a power setting of one watt The REM Alarm indicator illuminates red If the self test is not successful an alarm tone sounds A number may momentaril...

Page 112: ...ions footswitch activation and a handswitching or footswitching instrument Warning Electric Shock Hazard Do not connect wet accessories to the generator Ensure that all accessories and adapters are co...

Page 113: ...vious settings press the Recall button 2 To set the Bipolar mode press the Precise Standard or Macro button The corresponding indicator illuminates green 3 To increase the power for the selected mode...

Page 114: ...nopolar 1 CEM Instrument receptacle Warning Electric Shock Hazard Do not connect wet accessories to the generator Ensure that all accessories and adapters are correctly connected and that no metal is...

Page 115: ...dswitching instrument using Monopolar 2 Footswitch receptacle and Monopolar 2 Instrument receptacle Monopolar connection handswitch activation and a monopolar handswitching instrument using either Mon...

Page 116: ...power for the selected coag mode press the blue up arrow button To decrease the power press the blue down arrow button The maximum power setting for each coag mode is 120 W In the LCF Fulgurate mode a...

Page 117: ...coag two handswitching instruments Connection for simultaneous coag two footswitching instruments Patient return electrode Monopolar instrument Monopolar instrument or CUSA handpiece with CEM nosecone...

Page 118: ...his occurs the potential voltage difference between them may cause the current to flow from one patient return electrode to the other The current causes no harm if it produces no sparks or high curren...

Page 119: ...tric Shock Hazard Do not connect wet accessories to the generator Ensure that all accessories and adapters are correctly connected and that no metal is exposed If you choose to use a monopolar footswi...

Page 120: ...Then connect a monopolar instrument to the Monopolar 2 Instrument receptacle During simultaneous coag only Desiccate coag is available the maximum power is limited to 70 W Changing the Mode Verify th...

Page 121: ...d hold the up arrow or down arrow button The setting changes slowly at first then more rapidly Release the button when the desired setting is displayed If you try to set the power above the maximum se...

Page 122: ...t indicator illuminates yellow or Coag indicator illuminates blue CEM indicator on front panel illuminates green when handpiece is properly connected Monopolar Simultaneous Coag Press Monopolar 1 Coag...

Page 123: ...kage tester Leakage table per IEC 60601 2 2 Figure 104 100 200 300 500 all 250 watt 1 tolerance noninductive DaleTM NH 250 or equivalent Electric Shock Hazard Do not touch any exposed wiring or conduc...

Page 124: ...eck the Bipolar Instrument receptacle for obstructions or damage Insert the bipolar instrument connector footswitching and handswitching into the appropriate receptacle to verify a secure fit If the c...

Page 125: ...f damage on the Control board Display board or Footswitch board replace the board Refer to Control Board Replacement on page 7 4 Display Board Replacement on page 7 5 or Footswitch Board Replacement o...

Page 126: ...rd bipolar Pure cut and Fulgurate coag illuminate green Each display shows a power setting of one watt The REM Alarm indicator illuminates red If the self test is not successful an alarm tone sounds A...

Page 127: ...istance to 3 and verify that the REM alarm sounds 8 Switch to a connector without the pin and increase the resistance from 3 to 24 Verify that the REM alarm sounds Confirming Outputs Use this procedur...

Page 128: ...rocedure If the output for one or more modes remains outside the specified range call the Covidien Service Center Checking Output for the Monopolar Cut Modes 1 Verify that the generator successfully c...

Page 129: ...current 6 Press the Low cut button and repeat step 5 above 7 Press the Blend button and repeat step 5 above 8 Verify that the generator output for each mode is 499 38 mArms If the output is outside t...

Page 130: ...h pedal c Based on the voltmeter setting and the current transformer you are using calculate and record the output current 5 Press the Med Fulgurate button and repeat step 4 above 6 Press the Med Fulg...

Page 131: ...olts mV and connect the leakage current test circuit 2 Turn on the generator 3 Measure between all the output receptacles including the Patient Return Electrode receptacle and earth ground Record the...

Page 132: ...lts 200 mV and connect the leakage current test circuit 2 Turn on the generator and connect the end of the leakage current test circuit to mains voltage through a 120 k resistor 3 Connect the other si...

Page 133: ...ceed 150 mA for any mode 5 If the high frequency leakage exceeds 150 mA call the Covidien Service Center for further instructions Checking Bipolar High Frequency Leakage Current 1 Remove the monopolar...

Page 134: ...ow Certain values are not adjustable but must be verified Notice After completing any calibration step proceed to the next step to save the values from the completed calibration step Calibration Step...

Page 135: ...on step appears in the Cut and Coag displays You use the Cut and Coag up or down arrow buttons to adjust the displayed values 1 If the generator is off turn it on If you removed and or replaced the ba...

Page 136: ...press the bipolar up arrow button to display the next calibration step number Then turn off the generator to exit calibration mode or To exit calibration mode without saving the changes for the presen...

Page 137: ...month day of the month and year values are stored in the real time clock on the Control board 1 Verify that the Bipolar display shows calibration step number C2 2 To select the month press the Coag up...

Page 138: ...display 5 To save the hour and minute values and go to the next calibration step press the Bipolar up arrow button Next check the REM impedance as described in Check and Adjust the REM Oscillator Freq...

Page 139: ...y 7 Set the resistor substitution box to 135 8 To save the REM calibration values and go to the next calibration step press the Bipolar up arrow button Next check the current sense gain factor as desc...

Page 140: ...c Stop activation Do one of the following If the output current reading was too high raise the I factor by pressing the Coag up arrow button If the reading was too low lower the I factor by pressing t...

Page 141: ...ltmeter for a reading equivalent to 1000 8 mArms c Stop activation Do one of the following If the output current reading was too high raise the I factor by pressing the Coag up arrow button If the rea...

Page 142: ...witch receptacle on the rear panel 2 Check and adjust the V factor for bipolar output a Press the Standard button b Press the bipolar footswitch pedal and check the voltmeter for a reading equivalent...

Page 143: ...quivalent to 216 3 mArms c Stop activation Do one of the following If the output current reading was too high raise the V factor by pressing the Coag up arrow button If the reading was too low lower t...

Page 144: ...ag displays show the Z reactance factor If it is four or more digits the most significant digits are shown in the Cut display Checking the Reactance Gain for Bipolar Output 1 Connect the test equipmen...

Page 145: ...o both pins of the Patient Return Electrode receptacle d Connect the 200 resistor to the test cables through the current transformer for monopolar output e Connect a monopolar footswitch to the Monopo...

Page 146: ...th banana plugs 30 100 and 500 noninductive power resistors such as the Dale NH 250 Bipolar footswitch and monopolar footswitch Current transformer such as the Pearson Model 411 or equivalent True RMS...

Page 147: ...ns of the Patient Return Electrode receptacle d Connect the 100 resistor to the test cables e Connect a monopolar footswitch to the Monopolar 1 Footswitch receptacle on the rear panel 2 Press the Low...

Page 148: ...rs in the Coag display b Press the footswitch coag pedal and while activating the generator press the Coag up or down arrow buttons until the voltmeter reading is equivalent to 141 9 mArms Ignore chan...

Page 149: ...g pedal again and while activating the generator press the Coag up or down arrow buttons until the voltmeter reading is equivalent to 489 6 mArms Ignore changes to the Coag display e Stop activation V...

Page 150: ...he metal plate that covers the serial port 3 Connect a standard DB 9 serial cable to your computer and to the serial port Pin 2 is the serial output data line Pin 3 is the serial data input line Pin 5...

Page 151: ...e that you enter with specific commands as noted Data Displays Some commands result in the display of data for each mode including CEM The display format is as follows In data displays numbers represe...

Page 152: ...ing to the next lower value FTM Specify the cut mode for enter the number for the desired mode 0 Low 1 Pure 2 Blend FTP Specify the cut power setting 1 2 3 290 300 FTU Increment the cut power setting...

Page 153: ...d in each mode PSB Number of times activated in each mode PSK Number of times output was activated PSP Average power setting used in each mode PSF List of system errors 1 through 10 with time and date...

Page 154: ...Generator C Service Manual Disconnect the Computer from the Generator 1 Turn off the generator 2 Disconnect the DB 9 cable from the generator 3 Position the panel over the serial port and install the...

Page 155: ...hooting If the generator is not functioning properly use the information in this section to perform the following tasks Identify and correct the malfunction If a system alarm number was displayed take...

Page 156: ...nstrument cords handswitching and footswitching 1 Turn off the generator 2 Disconnect the power cord from the wall receptacle 3 Check the three Footswitch receptacles on the rear panel for obstruction...

Page 157: ...isplay board or Footswitch board replace the board Refer to Control Board Replacement on page 7 4 Display Board Replacement on page 7 5 or Footswitch Board Replacement on page 7 8 If you find evidence...

Page 158: ...e 7 13 If a problem persists use a backup generator Loose or disconnected internal cables Check all internal connections Faulty power entry module or connections Check the power entry module and its c...

Page 159: ...page 7 4 Shorts or disconnects on Power Supply RF board Check the Power Supply RF board for shorts or disconnects Faulty power switch Replace the power switch Refer to Front Panel Power Switch Replace...

Page 160: ...connects the Display board to the Control board Incorrect display modes communicated through the Control board Replace the Control board Refer to Control Board Replacement on page 7 4 Display board ma...

Page 161: ...ent receptacle Footswitch connected to Monopolar 2 Footswitch receptacle is being used for instrument connected to Monopolar 1 CEM Instrument receptacle Connect the footswitch to the Monopolar 1 Foots...

Page 162: ...Check for shorting of the output tuning inductors T14 and T15 Footswitch will not activate output Malfunctioning or damaged footswitch receptacle Replace the Footswitch board Refer to Footswitch Board...

Page 163: ...ize the potential for an electrosurgical burn at the site of the monitor electrode Pacemaker interference Intermittent connections or metal to metal sparking Check all connections to the generator It...

Page 164: ...o the generator patient return electrode and active electrodes Can occur during coag Use a lower power setting for the Fulgurate and Spray modes or select the Desiccate mode Abnormal 50 60 Hz leakage...

Page 165: ...ain If error reappears replace the Control board Refer to Control Board Replacement on page 7 4 2 3 Feedback microcontroller failed to power up and initialize RAM in time allotted Feedback microcontro...

Page 166: ...cement on page 7 4 14 Internal diagnostics Calibration data checksum error on main microcontroller data in error shown on terminal using serial port Turn the power switch off O then on I again If erro...

Page 167: ...rol Board Replacement on page 7 4 100 101 102 103 104 105 110 111 Software malfunction rem_update_state value outside state range Software malfunction rem_pad_state value outside state range Software...

Page 168: ...Software malfunction cal_state value in ca_rem_cal outside state range Software malfunction rem_cal_state value outside state range Turn off then turn on the generator If the alarm number reappears r...

Page 169: ...urn the power switch off O then on I again If error reappears replace the Control board Refer to Control Board Replacement on page 7 4 160 Internal component malfunction Dosage error test failed ADC v...

Page 170: ...Refer to Control Board Replacement on page 7 4 182 183 184 Internal diagnostics Main microcontroller dual port RAM check failed Internal diagnostics Main microcontroller Page 0 zero Flash Memory CRC...

Page 171: ...onopolar 1 Footswitch cut pedal may be stuck Internal diagnostics Handswitch or Monopolar 1 Footswitch coag pedal may be stuck Internal diagnostics Handswitch or Monopolar 2 Footswitch cut pedal may b...

Page 172: ...itch off O then on I again If error reappears replace the Control board Refer to Control Board Replacement on page 7 4 Turn off then turn on the generator If the alarm number reappears record the numb...

Page 173: ...O then on I again If error reappears replace the Control board Refer to Control Board Replacement on page 7 4 222 223 Main microcontroller failed to copy battery backed RAM data to dual port RAM in t...

Page 174: ...r switch off O then on I again If error reappears replace the Control board Refer to Control Board Replacement on page 7 4 240 241 242 244 245 Software malfunction activation_seq value outside state r...

Page 175: ...f bounds on main microcontrollers Software malfunction Delay time out of bounds on feedback microcontroller Software malfunction Data type in me_rtc_get_ outside of the state range Software malfunctio...

Page 176: ...the edges of the board into the slots on the heat sinks Slide the board down carefully fitting the connector into the matching connector on the Power Supply RF board Warning Electric Shock Hazard To...

Page 177: ...e Control board and lock the connector 5 Calibrate the generator Refer to Calibrating the Generator on page 5 26 for instructions If the alarm number reappears record the number and call the Covidien...

Page 178: ...ttery down into the socket Warning Electric Shock Hazard To allow stored energy to dissipate after power is disconnected wait at least five minutes before replacing parts Electric Shock Hazard Do not...

Page 179: ...ard ribbon cable to the Control board and lock the connector 6 Calibrate the generator Refer to Calibrating the Generator on page 5 26 for instructions If the calibration is successful install the cov...

Page 180: ......

Page 181: ...ponents including the REM module and power switch Fuses including two in the fuse drawer and one on the Power Supply RF board Heat sinks left front left rear and right heat sinks and associated heat s...

Page 182: ...Interconnect Diagram 7 2 Force FX Electrosurgical Generator C Service Manual Interconnect Diagram A block diagram of generator interconnections BW14 6...

Page 183: ...bove the chassis and slide it down Install the five screws that secure the cover to the chassis Warning Electric Shock Hazard To allow stored energy to dissipate after power is disconnected wait at le...

Page 184: ...components facing the rear panel Fit the edges of the board into the slots on the heat sinks Slide the board down carefully fitting the edge connector into the matching connector on the Power Supply...

Page 185: ...m the Power Supply RF board c Remove the four screws that secure the front panel to the chassis Save the screws for reinstallation d Slide the front panel assembly forward carefully disengaging it fro...

Page 186: ...in front of the chassis and carefully slide it into the electrical contacts on the Power Supply RF board b Install the four screws that secure the front panel to the chassis c Connect the power switc...

Page 187: ...ated by the small 45 chamfer is the same as that of the LED you removed 5 Reinstall the Display board Refer to Display Board Replacement on page 7 5 Fan Replacement 1 Remove the Power Supply RF board...

Page 188: ...secure the footswitch receptacles to the rear panel b Inside the rear panel remove the three screws that secure the Footswitch board assembly to the rear panel standoffs 3 Install the new Footswitch b...

Page 189: ...and Reinstall the Front Panel Components If you are replacing the entire front panel assembly go to Install the Front Panel Assembly on page 7 10 or If you are replacing only the front panel follow th...

Page 190: ...sition the power switch with the On switch above the Off O switch Press to snap the switch into place 4 Install the Display board on the new front panel a Connect the membrane keyboard ribbon cable to...

Page 191: ...lacement on page 7 9 2 Remove the two screws that secure the REM module to the front panel and remove the bracket that covers the REM module Set the bracket and screws aside for reinstallation 3 Repla...

Page 192: ...witch 4 Slide a piece of heat shrink tubing 1 0 2 54 cm wide 2 5 6 35 cm long over the wires 5 Connect the cable to the new power switch assembly using the illustration or the assembly you just remove...

Page 193: ...ert a small flathead screwdriver into the slot on the drawer below the power cord receptacle Then slide the drawer out Replacing fuses in the fuse drawer 3 Use a fuse puller to remove each blown fuse...

Page 194: ...over above the chassis and slide it down Install the five screws that secure the cover to the chassis Warning Fire Hazard For continued protection against fire hazard replace fuses only with fuses of...

Page 195: ...n the left side of the chassis remove the two screws that secure the base of the left front heat sink to the rail under the Power Supply RF board Save the screws for reinstallation 6 Lift the heat sin...

Page 196: ...e chassis carefully slide the heat sink down into the matching connectors on the Power Supply RF board 2 Install the two screws that secure the left front heat sink to the rail under the Power Supply...

Page 197: ...board Save the screws for reinstallation 7 Lift the left rear heat sink to disconnect it from the Power Supply RF board If you plan to replace one or more components on the existing heat sink go to Re...

Page 198: ...o the heat sink Position the new bridge rectifier on the heat sink and reinstall the screw Connect the four wires to the appropriate terminal on the rectifier Install the Left Rear Heat Sink 1 Positio...

Page 199: ...ion 5 Disconnect the cable from the tank damping resistor on the right heat sink from J12 on the Power Supply RF board 6 On the right side of the chassis remove the two screws that secure the base of...

Page 200: ...ng resistor FET on the heat sink and reinstall the washer and screw To replace the RF power diode remove the screw and shoulder washer that secure the diode to the heat sink Position the new RF power...

Page 201: ...der the Power Supply RF board 3 Connect the right heat sink tank damping resistor cable to J12 on the Power Supply RF board 4 Position the support bracket over the heat sinks and install the three scr...

Page 202: ...b Remove the four screws that secure the low voltage power supply to the Power Supply RF board Save them for reinstallation c Lift the low voltage power supply off the Power Supply RF board Install t...

Page 203: ...of the low voltage power supply Solder the six wires from the opposing end of this cable to the Power Supply RF board as follows J2 pin 1 orange wire to location BW14 pin 3 on Power Supply RF board J2...

Page 204: ...om J6 on the Power Supply RF board 5 Remove the two screws that secure the power entry module to the rear panel Save the screws for reinstallation 6 Slide the module out the rear panel until you can a...

Page 205: ...ions on the power entry module 3 Slide the ground wire ring terminal onto the grounding lug post on the rear panel Then install the washer and nut that secure the ring terminal to the post 4 Press fir...

Page 206: ...ect the Footswitch Board ribbon cable from the Power Supply RF board 5 Disconnect the power entry module from the Power Supply RF board 6 Remove the four screws that secure the rail to the chassis Als...

Page 207: ...er Supply RF board Lift the heat sink to disconnect it from the Power Supply RF board c Loosen but do not remove the screw securing the component clip below the bridge rectifier 5 Remove the right hea...

Page 208: ...ecure the heat sink to the rail under the board c Connect the right heat sink cable to J12 on the Power Supply RF board 4 Install the left rear heat sink a Slide the left rear heat sink components int...

Page 209: ...F board 4 Install the front panel assembly a Position the front panel assembly in front of the chassis and carefully slide it into the electrical contacts on the Power Supply RF board b Install the fo...

Page 210: ......

Page 211: ...vice Manual 8 1 Repair Policy and Procedures This section contains the following information The manufacturer s responsibility Returning the Force FX Electrosurgical Generator C for service Returning...

Page 212: ...with the Covidien instructions for use For warranty information refer to the Limited Warranty in this manual Returning the Generator for Service Before you return the generator call your Covidien Repr...

Page 213: ...al shipping container if available 3 Ship the generator prepaid to the Covidien Service Center Returning Circuit Boards Package circuit boards for shipment as follows 1 Place each circuit board in an...

Page 214: ...8 4 Force FX Electrosurgical Generator C Service Manual Training Education For clinical professionals and service training options please refer to the Covidien web site http www covidien com education...

Page 215: ...ted in this section If the part number is not listed for a specific item a replacement for that item is not available All components must be replaced with parts of identical construction and value Rep...

Page 216: ...rvice Center for your location When ordering replacement parts include this information Model number located on the rear panel of the generator Serial number located on the rear panel of the generator...

Page 217: ...Generator Assembly Service Parts Force FX Electrosurgical Generator C Service Manual 9 3 Generator Assembly Generator assembly...

Page 218: ...Generator Assembly 9 4 Force FX Electrosurgical Generator C Service Manual Generator assembly continued...

Page 219: ...tray 223 300 054 6 Equipotential ground lug 208 200 141 8 Screw Phillips M4 x 0 7 x 10 237 050 139 9 Sealant loctite 222 232 301 148 10 Screw panhead Phillips M4 x 0 7 x 8 mm 237 050 113 11 Washer loc...

Page 220: ...104 Assembly Power Supply RF board See Power Supply RF Board Assembly on page 9 16 and Supply RF Board Components on page 9 21 1052930 Cover plate 223 301 139 Power cord right angle molded 110V 207 00...

Page 221: ...Front Panel Assembly Service Parts Force FX Electrosurgical Generator C Service Manual 9 7 Front Panel Assembly Front panel assembly...

Page 222: ...Front Panel Assembly 9 8 Force FX Electrosurgical Generator C Service Manual Front panel assembly continue 7 6 16 17 18...

Page 223: ...9490 1076223 10 Screw panhead Phillips M3 x 0 5 x 12 zinc 237 050 135 11 Washer lock internal metric M3 253 300 044 12 Assembly Display board See Display Board Components on page 9 10 1058979 13 Screw...

Page 224: ...0 1 F 50 V 10 X7R SMD 0603 1078164 C7 C8 C9 CAP TANT 47 F 20 V 20 SMD D CASE 1078170 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 CAP MICA 30 PF 100 V 5 SMD...

Page 225: ...THICK FILM 0603 100 1 SMD 1078166 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R44 R45 R46 R47 R48 R49 R50 R51 R52 R53 R54 VARISTOR 24V 0603 1078180 Integrated Circuits U1 IC DRVR DSPL 18 PIN SOIC ULN...

Page 226: ...2 Force FX Electrosurgical Generator C Service Manual J2 CONN 25 PIN R ANG 1041645 Miscellaneous not shown SKT DIP 30 PIN GLD 1042945 SKT IC 16 PIN 1042944 CLIP DISPLAY BOARD 1043507 Reference Designa...

Page 227: ...3 1078183 C1 CAP CER 4 7 F 25 V 10 X5R SMD 0805 1078182 C39 C40 C41 C42 C43 C51 CAP MICA 30 PF 100 V 5 SMD 0805 1078179 C8 C19 C23 C25 C34 C37 CAP CER 0 1 F 100 V 10 X7R SMD 0805 1078184 C44 CAP CER 2...

Page 228: ...SMD 1078201 R12 Pot 5 k 1042215 R13 R16 R20 R24 R27 RES THICK FILM 1210 1 40 K 1 SMD 1078202 R14 R17 R18 R19 R21 R25 R28 R56 RES THICK FILM 1210 2 15 K 1 SMD 1078203 R30 RES THICK FILM 1210 19 6 K 1...

Page 229: ...U3 U4 U5 IC COMPARATOR DUAL 18 V 36 V 8 PIN SOIC 1078278 U6 IC OP AMP DUAL GP 16 V 32 V 8 PIN SOIC 1078279 U7 IC AUDIO AMP SPEAKER 8 PIN SOIC 1078287 Miscellaneous ISO1 ISO2 ISO3 ISO4 ISO5 IC OPTOCOUP...

Page 230: ...Power Supply RF Board Assembly 9 16 Force FX Electrosurgical Generator C Service Manual Page 9 19 Power Supply RF Board Assembly Power Supply RF board assembly...

Page 231: ...Power Supply RF Board Assembly Service Parts Force FX Electrosurgical Generator C Service Manual 9 17 Power Supply RF board assembly continued...

Page 232: ...LOW VOLTAGE 1049718 6 SOCKET for pins with large lead diameter 1049714 7 SOCKET RELAY 1049735 8 SCREW PANHEAD M3 x 0 5 x 8 ZINC 1049775 9 WASHER M3 NYLON 1049723 10 SCREW PHILLIPS M3 x 0 5 x 8 NYLON 1...

Page 233: ...RESISTOR MF 150 5 20 W SCREW PANHEAD PHILLIPS M3 x 0 5 x 12 ZINC TRANSISTOR FET N CH 8 A 500 V DIODE BRIDE 35 A 400 V WASHER FLATM3 0 WASHER LOCK INTERNAL M3 1078311 1045723 1045724 1078313 1042270 10...

Page 234: ...RS SMTSO MR 2ET 1078305 42 BRKT PSRF GRND 1076217 Not Shown SOCKET TRANSISTOR 1049715 SOCKET PIN LG LEAD DIA 1049714 SOCKET RELAY 1049714 SCREW PANHEAD PHILLIPS M4 x 0 7 x 12 ZINC 1049729 FUSE HOLDER...

Page 235: ...8 C52 C65 C71 C82 C84 C86 C117 C118 C156 C170 C172 01 F 20 50 V 1041635 C3 C10 C11 C22 680 F 400 V 1042328 C4 C12 C13 C44 C50 C91 C93 C94 C96 C97 C102 C132 C134 C137 C139 C140 C141 C144 C145 C146 C148...

Page 236: ...680 pF 5 500 V 1042327 C28 C36 C37 C38 C45 C47 C51 C53 C55 C56 C57 C62 C64 C72 C74 C78 C80 C83 C88 C89 C92 C95 C103 C106 C109 C110 C114 C115 C116 C121 C123 C125 C128 C131 C133 C135 C138 C143 C153 C17...

Page 237: ...3 pF 5 100 V 1042307 C107 1000 pF 5 100 V 1042257 C105 C108 047 F 20 50 V 1042247 C119 C126 C129 6800 pF 5 100 V 1042326 C150 C151 C158 C159 3900 pF 5 500 V 1042309 C152 3300 pF 5 500 V 1042306 C154 C...

Page 238: ...ED GREEN 2 DIA 1041644 CR14 CR16 CR29 SCHOTTKY 0 6 A 40 V 1042365 CR20 CR21 CR22 CR24 CR32 CR36 CR38 CR40 CR51 ZENER 1N5240B 10 V 1042286 CR33 CR42 CR44 CR45 CR46 CR52 ZENER 1N5233B 1042285 CR17 CR18...

Page 239: ...1 Resistors R1 R2 9 1 K 1 W 1042332 R3 R38 R69 1 M 5 1 4 W 1042282 R4 18 2 K 1 1 8 W 1042276 R5 R6 30 K 5 3 W 1042305 R7 91 K 5 1 4 W 1042333 R8 R169 390 5 1 4 W 1042235 R9 10 5 1 W 1042255 R10 63 4 K...

Page 240: ...1 1 8 W 1042312 R19 R109 Thermistor 10 K 25 C 1042265 R22 R23 10 5 1 2 W 1042254 R24 R34 R102 R117 R135 100 5 1 4 W 1041640 R27 267 1 1 8 W 1042296 R28 R54 R118 R119 R171 4 7 K 5 1 4 W 1042313 R29 R12...

Page 241: ...R55 R151 R156 R158 R162 R163 R165 10 K 1 1 4 W 1042263 R95 RES 0603 10 0 K 1 SMD 1078300 R43 R104 68 K 5 1 4 W 1042329 R44 5 6 M 5 1 4 W 1042319 R46 330 5 1 4 W 1042234 R47 1 6 K 5 1 4 W 1042253 R49 R...

Page 242: ...6 80 K 1 SMD 1078297 R89 RES 0603 5 10 K 1 SMD 1078298 R90 RES 0603 3 92 K 1 SMD 1078299 R94 56 2 K 1 1 8 W 1042322 R96 TRIMPOT 5 K 1042299 R97 RES 0603 301 1 SMD 1078302 R98 THERMISTOR 1 K 25C 5 104...

Page 243: ...OR 24 V 0603 1078180 R150 R153 R159 R166 R168 4 32 K 1 1 8 W 1042311 R160 R164 5 6 M 10 2 W 1042320 Transformers T1 PULSE DUAL 1049710 T2 T6 T8 T16 T17 INDUCTOR CURRENT SENSE 1042984 T3 POWER SWITCHIN...

Page 244: ...2368 U28 QUAD ANALOG SWITCH 1049743 U29 4081 1042240 U30 IC HEX INV 74 HC14 1042331 U22 IC ANALOG MUX W DIODES 1042346 Miscellaneous D1 THERMISTOR TRIAC AVS 12 CB 1042974 J1 PHONE JACK 1042360 J2 CONN...

Page 245: ...20 BIPOLAR CONTACT SPRING 1049707 J21 J22 J23 J24 J25 J26 J27 J28 FUSE CLIP 1042983 J29 J30 CONN HEADER VERT 4 POS 100 TIN 1078291 FB1 FB2 FB3 FB4 FB5 FB6 FB7 FB8 FB9 FB10 FB11 FB12 FB13 FB14 FB15 FB1...

Page 246: ......

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