Somatics Thymatron System IV Service Manual Download Page 4 | Manualshive

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SOMATICS, LLC

REV: 3.1 09/15/2015

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Summary of Contents for Thymatron System IV

Page 1: ...U ARE QUALIFIED TO DO SO Document number SM TS4 REV 3 1 Date September 15 2015 Check our website at least once a year for updated User s Manual and Service Manual Downloads are available there Technical Support USA and Canada 1 800 642 6761 Telephone 1 847 234 6761 Fax 1 847 234 6763 E Mail sales thymatron com Web Site www thymatron com Please check for revisions and change of information at the r...

Page 2: ...of Somatics LLC are covered by U S and foreign patents and or pending patents Thymatron Thymatron DG Thymatron DGx Thymatron System IV DualGraph Flexdial Crona are registered trademarks of Somatics LLC Class 1 Type BF Is the International symbol for Type BF and Defibrillator protected Is the International symbol for CAUTION Printed in U S A Specifications and price change privileges are reserved ...

Page 3: ...AGE 1 EXPLANATION OF OPERATING CONTROLS 4 2 SAFETY CHECK 8 3 CALIBRATION CHECK 9 4 THEORY OF OPERATION 15 5 CALIBRATION AND FACTORY PRESETS 18 6 SPECIFICATIONS 21 7 CONNECTOR DEFINITIONS 22 8 PERCENT ENERGY TABLES 32 9 SCHEMATICS and ASSEMBLY 34 ...

Page 4: ...SOMATICS LLC REV 3 1 09 15 2015 4 fig 1 1 fig 1 2 ...

Page 5: ...ndicate the treatment program that is being used 1 5 DOSAGE ADJUSTMENT DIAL The dosage adjustment dial sets the number of pulses in the stimulus pulse train It s a continuously rotating optical encoder In the default program setting of LOW 0 5 the lowest setting gives 28 pulses Each increase in the setting of the dial adds 28 more pulses to the stimulus The maximum setting is 560 pulses The dial i...

Page 6: ...g the button will start the printer another press will stop it It is also used to terminate the Flexdial mode When the Flexdial mode is exited with the START STOP button the system will printout all the parameters 1 11 100 MM THERMAL PRINTER The printer is used to print out all graphic and alphanumeric data I uses 100 mm fanfold paper To open the paper storage press the tab above the printer rolle...

Page 7: ...1 23 LINE FUSES For 115V lines this instrument uses two 2 0 amp 250V T type 5x25 mm fuses For 230V lines this instrument uses two 1 0 amp 250V T type 5x25 mm fuses Do not replace with a different type of fuse 1 24 IEC POWER CONNECTOR Use the cable supplied and plug this instrument only into a well grounded three prong receptacle making sure you select the correct input voltage 1 25 INPUT VOLTAGE S...

Page 8: ...ial leakage tester or by using a test box constructed so as to permit disconnecting ground neutral and reversing AC polarity as in figure 2 1 Test leakage under any combination of the switch settings All current readings should be less than the maximum reading in µamps RMS read according to chart below between any chassis or electrode point and the test box Leakage to Ground Source GROUND POWER PO...

Page 9: ...0 ohms 10W resistor to the ECT banana plugs See Fig 3 1 fig 3 1 3 2 Connect Oscilloscope across the dummy load Be sure the scope can measure up to 500 volts If not construct a high impedance divider such as in fig 3 2 optional if available use 10x probe instead fig 3 2 CAUTION HIGH VOLTAGES ARE PRESENT DURING TESTING EXERCISE CAUTION TO PREVENT INJURY ...

Page 10: ... to 0 5 msec div Set trigger for positive phase Turn power on Make sure the system is in default setting The program should be in LOW 0 5 Set PERCENT ENERGY dial to 100 and push TREAT button Observe wave shape as in figure 3 3 Peak voltage reading should be 180 Volts 7 5 which corresponds to 900 ma at 200 ohms For other loads wave shapes see fig 3 4 fig 3 3 ...

Page 11: ...SOMATICS LLC REV 3 1 09 15 2015 11 fig3 4 ...

Page 12: ...responds to 70 Hz Set PERCENT ENERGY dial to 50 and press TREAT button The reading should be 25 00 msec 5 which corresponds to 40 Hz Set PERCENT ENERGY dial to 20 and press TREAT button The reading should be 50 0 msec 5 which corresponds to 20 Hz 3 6 TEST STIMULUS DURATION There are two ways to test stimulus duration The more precise way uses an event counter many frequency counters are capable of...

Page 13: ...0 sec div Set proper trigger Set PERCENT ENERGY dial to 100 and push the TREAT button The duration of the stimulus should be 8 seconds as in fig 3 6 fig 3 6 3 7 IMPEDANCE TEST Connect a variable resistor box to the ECT stimulus cable Set on zero ohms and push the impedance test button the readout should be 0_ 100_ Repeat for 1000_ and 2000_ At impedances higher than 3000 _ the display will read 30...

Page 14: ... and note 3 db drop in amplitude fig 3 7 3 9 EEG AMPLIFIER NOISE TEST Connect three 5K_ resistors into the electrode input of the EEG amplifier according to fig 3 8 With the oscilloscope connected to the EEG output jack note that output noise is no more than 50 mv equivalent to 5µv at the input fig 3 8 3 10 EEG AMPLIFIER SOUND TEST With oscillator and oscilloscope connected connect dummy load to t...

Page 15: ...d output measurement channels The digital data from and to the A D are isolated with a high speed optical isolators An isolated power supply provided 5 V from the 5V power The impedance measurement is derived by injecting 6 µamp current into the treatment electrodes and using an isolated differential amplifier to amplify the difference voltage which is proportional to the impedance of the electrod...

Page 16: ...er supply provides power for the positive half of the ECT output drivers and for motor and thermal head of the printer c The 24V power supply provides power for the negative half of the ECT output drivers Each supply is individually protected by a fuse The ECT output section contains the constant current supply and two power drivers One driver controls positive pulses while the other driver contro...

Page 17: ...CT CN502 EEG CN501 TREAT SW502 T101 POWER T102 OUTPUT IEC F1 F2 VOLUME PR101 SPEAKER POWER SW507 ANALOG BOARD CN202 CN201 CN203 CN402 CN205 PRINTER CN301 CN303 CN 304 CN401 CN602 SET ADJUST SW506 START STOP SW504 ALARM SW601 CN403 CN404 CN407 CN406 CN405 CN302 CN204 RS232 CN601 SW602 115 230V SWITCH CN106 CN206 DIAGNOSTIC fig 4 1 ...

Page 18: ...F HIGH VOLTAGES ARE EXPOSED EXERCISE CAUTION TO AVOID INJURY 5 2 With the system turned off install a jumper on J3 test Turn on the system and note that the display shows CALIBR 5 3 EEG AMPLIFIER GAIN ADJUSTMENT Set oscillator to 2V p p and 10Hz Use a calibrated meter to adjust the oscillator to 707 Volts It may help to temporarily set the oscillator to 30 Hertz but remember to reset it back down ...

Page 19: ...he low wattage load will be destroyed and possibly catch on fire if a treatment is initiated Press the IMPEDANCE button and hold until a value is displayed Make sure the reading is between 1350 and 1650 ohms If it is press the Flexdial button to calibrate the display should show 1500 Press the START STOP button to exit the impedance calibration and return to the main shell The display will read CA...

Page 20: ...e one click and the display should show CONFIG Press the Flexdial button and rotate the Flexdial to select 50 or 60 Hz notch filter depending on the frequency of the power mains Press the Flexdial button again and rotate the Flexdial to select the date format either Day Month Year or Month Day Year Press the Flexdial button again and rotate the Flexdial to and select 24 hour or 12 hour format Pres...

Page 21: ... dB points at 2 Hz and 25 Hz Notch filter 40 dB down at 60 Hz CMRR 80 dB EEG sound frequency 500 Hz modulated from channel 1 6 3 EMG channel 3 Amplification 100 20 mv cm 5 Bandwidth 3 dB points at 2 Hz and 50 Hz Notch filter 40 dB down at 60 Hz CMRR 80 dB 6 4 EKG channel 4 Amplification 100 20 mv cm 5 Bandwidth 3 dB points at 2 Hz and 50 Hz Notch filter 40 dB down at 50 or 60 Hz CMRR80 dB 6 5 Prin...

Page 22: ... 9 isognd CN106 3pin SIP 1 OUTAO 2 3 OUTBO CN105 3pin SIP 1 OUTAI 2 3 OUTBI CN101 10pin SIP 1 speaker 2 speaker 3 volume high 4 volume center 5 volume low CN102 40 pin DIN 1 warn sound To Control 2 EEG sound enable EEGS 3 ALARM 4 GAIN 5 BD0 6 BD1 7 BD2 8 BD3 8 BD4 10 BD5 11 BD6 12 BD7 13 EADC 14 RD 15 WR 16 RST 17 GND 18 CLK 19 GND 20 ADERR ...

Page 23: ... 2xEN 30 TREATSW 33 GND 34 GND 35 GND 36 GND 37 5V 38 5V 39 5V 40 5V 2 CONTROL BOARD CN201 40 pin DIN 1 warn sound To Analog 2 EEG sound enable EEGS 3 ALARM 4 GAIN 5 BD0 6 BD1 7 BD2 8 BD3 8 BD4 10 BD5 11 BD6 12 BD7 13 EADC 14 RD 15 WR 16 RST 17 GND 18 CLK 19 GND 20 ADERR 21 ADEF 22 ADDR 23 ADTR 24 ENERGY0 25 ENERGY1 ...

Page 24: ...D 37 5V 38 5V 39 5V 40 5V CN202 40pin DIN 1 warn sound To Display 2 MENULED 3 GND 4 GAIN 5 BD0 6 BD1 7 BD2 8 BD3 8 BD4 10 BD5 11 BD6 12 BD7 13 EAND 14 RD 15 WR 16 RST 17 GND 18 CLK 19 GND 20 ENERGY0 21 ENERGY1 22 ENERGY2 23 ENERGY3 24 ENERGY4 25 2xEN 26 FLEX0 27 FLEX1 28 FLEX2 29 FLEX3 30 RLTREAT 31 TRIND 32 PLED ...

Page 25: ...03 50pin HDDIN 1 PRRD To Printer 2 GND 3 BD0 4 GND 5 BD1 6 GND 7 BD2 8 GND 9 BD3 10 GND 11 BD4 12 GND 13 BD5 14 GND 15 BD6 16 GND 17 BD7 18 GND 19 BA0 20 GND 21 BA1 22 GND 23 BA2 24 GND 25 BA3 25 GND 27 BA4 28 GND 29 BA5 30 GND 31 BA6 32 GND 33 BA7 34 GND 35 BA8 36 GND 37 PRWR 38 GND 39 BUSY ...

Page 26: ...SOMATICS LLC REV 3 1 09 15 2015 26 40 RST 41 ERROR 42 FEED 43 SOUT 44 SIN 45 INTRP 46 POST 47 BRDY 48 SUP 49 ABUFF 50 SUP CN204 10 pin DIN 1 To RS232 2 TXD 3 GND 4 RTS 5 6 RDX 7 DTR 8 9 CTS ...

Page 27: ...D 11 OUTA 12 OUTB 3 POWER OUTPUT BOARD CN301 12pin SIP 1 5V To Control 2 5V 3 5V 4 5V 5 5V 6 GND 7 GND 8 GND 9 GND 10 GND 11 OUTA 12 OUTB CN302 6pin SIP 1 PGND To Printer 2 PGND 3 24V 4 24V 5 5V 6 LGND CN303 5pin SIP 1 T305 2 3 gnd 4 5 T304 CN304 10pin SIP 1 5Vac A 2 5Vac A 3 5Vac B 4 5Vac B 5 24Vac 6 24Vac 7 24Vac ...

Page 28: ...LED 3 GND 4 GAIN 5 BD0 6 BD1 7 BD2 8 BD3 8 BD4 10 BD5 11 BD6 12 BD7 13 EAND 14 RD 15 WR 16 RST 17 GND 18 CLK 19 GND 20 ENERGY0 21 ENERGY1 22 ENERGY2 23 ENERGY3 24 ENERGY4 25 2xEN 26 FLEX0 27 FLEX1 28 FLEX2 29 FLEX3 30 TREATSW 31 TRIND 32 PLED 33 GND 34 GND 35 GND 36 GND 37 5V 38 5V 39 5V 40 5V CN402 5 pin SIP 1 TREATSW 2 GND ...

Page 29: ... GND 3 CN406 6 pin SIP 1 GND 2 GND 3 ENERGYSW 4 ENOUTB 5 ENOUTA 6 5V CN405 6 pin SIP 1 GND 2 GND 3 SETSW 4 ADOUTB 5 ADOUTA 6 5V CN407 3 pin SIP 1 ALARMSW 2 GND 3 5 FRONT PANEL CN501 9pin Hyperion 1 ch1 EEG 2 ch1 3 ch2 4 ch2 5 ch3 6 ch3 7 ch4 8 ch4 9 isognd CN502 7pin Hyperion 1 ECT 2 OUTAO 3 OUTBO 4 5 RTREATA ...

Page 30: ...Start Stop switch 1 STSTSW 2 GND SW505 Energy switch 1 GND 2 GND 3 ENERGYSW 4 ENOUTB 5 ENOUTA 6 5V SW506 Adjust Set switch 1 GND 2 GND 3 SETSW 4 ADOUTB 5 ADOUTA 6 5V SW507 Power switch 1 LINE 2 NEUTRAL 3 SWLINE 4 SWNEUTRAL 6 REAR PANEL CN601 9pin DB 1 RS232 2 RDX 3 TXD 4 DTR 5 GND 6 7 RTS 8 CTS 9 CN602 3pin IEC 1 line Power 2 neutral 3 gnd ...

Page 31: ...SOMATICS LLC REV 3 1 09 15 2015 31 SW602 115 230 1 TR1 Voltage switch 2 TR2 3 TR3 4 SW601 Alarm test 1 ALARMSW 2 GND ...

Page 32: ...0 100 50 70 70 50 100 50 75 70 60 110 60 80 70 60 120 60 85 70 60 120 60 90 70 70 130 70 95 70 70 140 70 100 70 70 140 70 Pulse width ms for Thymatron System IV US version PercentDGx Lowest Low 25 Low 5 Energy Charge Charge Charge Charge 5 1 0 0 25 0 25 0 5 10 1 0 0 25 0 25 0 5 15 1 0 0 25 0 25 0 5 20 1 0 0 25 0 25 0 5 25 1 0 0 25 0 25 0 5 30 1 0 0 25 0 25 0 5 35 1 0 0 25 0 25 0 5 40 1 0 0 25 0 25...

Page 33: ...ailable in the US PercentPulsewidth Frequency Energy ms Hz 5 0 5 10 10 0 5 10 15 0 5 20 20 0 5 20 25 0 5 20 30 0 5 30 35 0 5 30 40 0 5 30 45 0 5 40 50 0 5 40 55 0 5 40 60 0 5 50 65 0 5 50 70 0 5 50 75 0 5 60 80 0 5 60 85 0 5 60 90 0 5 70 95 0 5 70 100 0 5 70 110 0 75 60 120 0 75 60 130 0 75 70 140 0 75 70 150 0 75 70 160 1 0 60 170 1 0 60 180 1 0 70 190 1 0 70 200 1 0 70 ...

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