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Gymna Pulson 330, Service Manual

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Gymna Pulson 330 Service Manual Download Page 37

 
 

 

 

 

21.  The ultrasound heads. 

 

 

 

 

 

Page 37

 

Summary of Contents for Pulson 330

Page 1: ...4 Cable fraction detection 25 14 The display circuit 28 14 1 Display circuits 28 14 2 Display warnings 28 15 Error codes 30 16 Measuring points 31 17 Replacement procedures 32 17 1 Bottom plate 32 17...

Page 2: ...picture of the pulson 330 an advanced micro computer controlled ultrasound apparatus In doing so it will hopefully help you to reach your goal to form a correct diagnosis and to solve the client s pro...

Page 3: ...r 3 Mhz Combination therapy is possible and useful with following Gymna apparatus Interdia 200 Interdia NST Duo 400 Duo 410 Two different or equal treatment heads can be connected at the same time wit...

Page 4: ...and serial number Gymna has the original configuration of each unit The Pulson 330 has following critical parts Main board part number 10555 Display board part number 10578 Output stage board part nu...

Page 5: ...Date Error complaint Service action Critical spare parts exchange list Critical part name Old serial number New serial number PCB Display PCB Main PCB Ultrasound Power transformer Ac inlet Date Error...

Page 6: ...ent IEC requirement 500 A Earth leakage single fault IEC requirement 1 mA Enclosure leakage current normal IEC requirement 100 A Enclosure leakage single fault IEC requirement 500 A Patient leakage no...

Page 7: ...Keyboard page 16 ADDA convertor page 19 Amplitude generation circuit page 18 Frequency generation page 20 Output stage page 22 Output relays page 23 Harmonic filter page 22 Treatment heads page 37 Vol...

Page 8: ...nutes The timer runs only when the contact control is sufficient 3 Intensity up key Maximum intensity is 2 W cm 4 Intensity down key Minimum intensity is 0 1 W cm 5 Output mode switch There are 4 outp...

Page 9: ...MHz head is connected there is no other choice so this one will be selected If you want to switch from 1MHz to 3MHz there are two possibilities The 3MHz is connected Press the 1 3 MHz and the switch i...

Page 10: ...er the required supply voltage mentioned on the serial number plate corresponds with the available mains supply ratings 10 Serial number plate On this plate the serial number as well as the required s...

Page 11: ...N 6 or with 115V 60Hz CON 5 There are 2 secondary windings Output voltage of winding 1 is 22V winding 2 produces 8V Power supply output voltages 1 VCC Is a 5V stabilised voltage with a maximum output...

Page 12: ......

Page 13: ...sor hang up the output stage has to be switched off immediately When the output VUS_EN goes low high Q10 switches and AMP_US goes to zero This IC is also controlled by the watchdog output of the p 10...

Page 14: ...ey is pressed TIME_UP_KEY Input signal Switches to logic low level when the time p key is pressed WATCH_DOG Output signal In case of p hang up this signal is at logic high level KEY_SELECT Output sign...

Page 15: ...tput signal In case of logic high level RLY1 is activated At this time RLY 3 which is always in opposite position is inactivated CON 1 2 Output signal High logic level selects output connector 2 CON2...

Page 16: ......

Page 17: ...version defined by jumpers on JP1 or the keyboard information is read The selection is made by the KEY_SELECT pin In case of a high level signal Q1 opens and the p reads the keyboard status If KEY_SEL...

Page 18: ......

Page 19: ...is the output power in an ideal medium 0 reflections Pu Pi head output stage The R_POT value represents the efficiency of the head head and is constantly monitored by the processor It also makes it p...

Page 20: ...L9 becomes supply D6 starts conducting and C80 can reload again When all this energy is consumed by the output stage the feedback voltage of the comparator will fall below the reference value of 5 05...

Page 21: ...11 converts current into voltage 12 5 Output frequency generation A quartz connected to U5 produces a 6MHz signal U7 7492A is a divider with an 1MHz output on QA and a 3MHz output on QD These two sign...

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Page 23: ...1 these signals are mixed and induced in the secondary winding The cut off level of D4 and D5 can be influenced by changing the AMP_US voltage and thus the output power is changed as well However the...

Page 24: ...esults in a maximum voltage over R41 of 0 25V Since this value is much to low to present directly to the peak detector we need to amplify it In the amplifier circuit composed round Q1 and Q5 the gain...

Page 25: ...something wrong USH may be displayed see error codes page 23 If the equipment detects a bad contact situation the intensity which was last measured blinks on the intensity display The output power is...

Page 26: ...tay closed If the cable is broken the led will never light up and the voltage at C28 becomes 5V This is enough for D7 so Q12 will conduct As a result Q13 opens and the voltage on Rpot1 becomes 5 V Whe...

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Page 28: ...MX1 MX2 Consequently transistors Q4 and Q3 alternately switch which makes it possible to control all segments and leds 14 2 Display warnings 14 2 Display warnings USH Connection between instrument an...

Page 29: ......

Page 30: ...microprocessor is different from the checksum result of the Eeprom Solution Change the Eeprom IC U10 Since every Eeprom contains values specific for one output stage the US output PCB and the Eeprom...

Page 31: ...in 14 of U15 5 V DC 16 1 Cable fraction detection Signal measured on efficiency resistance Ground is housing of the plug Cab S2 S1 ch2 rms 1 58 V MTB5 00ms 2 Switch the unit on without starting the tr...

Page 32: ...play print black connector on the backside of the main board 17 3 Ultrasound PC board ELUL 004 L300 V30 Removal Disconnect the mains cable CON 1 and CON 2 Disconnect the flatcable from CON 10 which co...

Page 33: ...but in reverse order 17 5 Power transformer Removal Disconnect connectors from CON 3 CON 6 and VLK 5 earth cable Unscrew the bolt in the middle if the transformer Installation Same but in reverse ord...

Page 34: ...has an Eeprom U 10 which contains the calibration data of the output stage Changing the output amplifiers or any Coils in the output circuit can not be done without the recalibration of the output st...

Page 35: ...he Pulson 330 unit must always be stored and transported in its original package This package withstands normal shocks and vibration caused by transport The same conditions are required for accessorie...

Page 36: ...different checksum than the old version A software upgrade must be performed in following way Open the unit and take out the old microprocessor version Put in the new microprocessor and put a jumper...

Page 37: ...21 The ultrasound heads Page 37...

Page 38: ...Page 38...

Page 39: ...TURN DEFECTIVE PARTS form This approval RAN Return Authorisation Number is requested at GYMNA HQ for each part which you like to send back Each defective part must be tagged with a PARTS RETURN TAG wh...

Page 40: ...10 561 PART TO BE COMPLETED BY THE CUSTOMER 1 COMPANY NAME AND ADDRESS Treated by DNV Fax Number Your Reference Date 2 ARTICLE INFORMATION Article Name Part Number Serial Number 3 WHAT IS THE REASON F...

Page 41: ...PARTS RETURN TAG Page 41...

Page 42: ...ink there are important to keep in stock with an I second column 23 1 Ordering To order spare parts following data must be provided z Part number z Description z Quantity Under normal conditions spare...

Page 43: ...PCB for X tal 3 MHz 10856 PCB for X tal 1 MHz 10848 Upper housing Aluminium 1 3 Mhz 12424 Under housing aluminium 1 3 Mhz 12423 Rubber O ring 36 x 3 mm 1 3 Mhz 10857 Aluminium tube inside 1 3 Mhz 124...

Page 44: ...9 60 1 uF 50 V DS 3587 C64 22 uF 6 3 V 8556 C81 8 x 470 pF SIL network 5522 3 Diodes D1 to D14 D23 to 46 1N4148 3600 D18 led L 9341 ID B red round 3 mm 3614 D21 22 1N4007 3594 D47 48 KBPC 602 bridge 3...

Page 45: ...U13 79L05 3663 9 Buzzer BZ1 SV4 5 3696 10 Connectors CON1 Stripcontact 2p 8430 CON3 Stocko header 4p 8085 CON4 stripcontact 8p 8435 CON5 6 modu I10p straight print 9726 CON7 BL11 5 CON10 3M 16PDR VLK1...

Page 46: ...33 pF DS 8000 C62 63 90 10 uF 50V 8002 C76 to 79 2n2 100 V 9355 C80 10 uF 35 V tantalum 8083 C82 84 470 pF 100 V DS 0334 2 Resistors R1 2 10R 2W 10240 R3 8 18 19 29 R30 34 39 42 to 50 R53 62 68 4K7 M...

Page 47: ...8129 L4 11 1 mH 8938 L5 100 uH 85 mA 8127 L6 7 1 uH 6 A 10074 L8 10 5 uH 10 A 10075 L9 220 uH 1 A 8126 L12 3 uH 2A 8130 T1 TRV 1 3 Mhz 10076 5 Transistors Q1 BF 324 PNP 8982 Q2 3 BUK 543 100A 8088 Q4...

Page 48: ...9 Connectors CON 1 2 stocko header 5P 8007 CON 8 SUBD 15 p male 9728 TP1 2 3 4 6 7 8 header 50p x 5 54 x 12 3549 Page 52...

Page 49: ...2 Capacitors C1 3 4 15 uF 6 3 V SMD C2 8 2n2 F SMD C5 6 7 47 nF SMD 3 Diodes D1 to 6 7 seg display HDSP F151 red 6046 D9 10 13 to 16 led MPR 4365S red round 8547 4 Transistors Q3 4 BC 849 C SMD 9169 5...

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