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Chattanooga Group INTELECT LEGEND Series, Руководство по обслуживанию

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CHATTANOOGA 

GROUP INC.  

 

Applicator Detection and Data Reading Problems 

 

To help diagnose these problems, keep in mind how the unit operates.  

The unit determines whether an applicator is connected based on the voltage 
from the thermistor in the applicator.  If the applicator is unplugged, the voltage 
rises to 5V from its normal 2-3V.  This is sensed and the unit will then try to get 
the memory device in the applicator to acknowledge a reset signal.  If this fails, 
the message “noHd” is displayed.  On the other hand, if the voltage drops low, it 
is interpreted as the head overheating and “HHH” is displayed.  This is also what 
would happen if the applicator was shorted. 

The voltage can be monitored WHILE THE ULTRASOUND GENERATOR 

IS NOT RUNNING by measuring the voltage on the output pin of the connector 
on the Ultrasound Generator Board.  Refer to the board drawings and signal lists. 

The calibration data is read both at start-up and when US is selected.  

Errors E03, E04, E07 and E08 are due to problems in the communications at 
these times. This can be caused by either the Applicator or the Ultrasound 
Generator Board.  The easiest way to determine which is bad is by trying another 
Applicator.  The unit will continue to give error messages if the Ultrasound 
Generator Board is defective.  If this is not possible, monitoring the output line 
while the unit is trying to read the calibration data can help determine which 
component is bad.  Under normal conditions, a fast pulse train is seen as the 
data is passed from the Applicator to the Generator Board with an amplitude of 
5V.  If the amplitude is 12V, the Ultrasound Generator Board is faulty.  If the 
pulse train is not observed, unplug the applicator and try pressing the Frequency 
button while monitoring the output.  If a single 5V pulse is observed, the 
Applicator is bad.  If no activity is seen then the Ultrasound Generator Board is 
bad. 

During calibration of the Applicator, an error message E06 means that 

there is no more room in the memory device to store the calibration data.  The 
Applicator will have to be replaced.  An E05 message could be due to either the 
Applicator or the Ultrasound Generator Board.  Use the information in the 
previous paragraph to diagnose which it is. 

 

Applicator Overheating 

 

This is not normally due to any malfunction of the unit, but rather is related 

to the coupling of the head to the patient.  If good coupling (contact) to the skin is 
not maintained during treatment the head can heat up.  If the head gets too hot, 
the unit will pause the treatment and display “HHH” in the display.  The only part 
that would be bad under these circumstances would be the Applicator. 

For problems related to the Head Warming feature, refer to that section. 

 

Innovation starts here

 

TM

 

28

 

Intelect

®

 Legend Series Service Manual

 

Содержание INTELECT LEGEND Series

Страница 1: ...CHATTANOOGA GROUP INC P N 78343 Rev A Intelect Legend Series Service Manual ...

Страница 2: ... 27 How to calibrate the unit 38 How to open the unit 9 How the boards interconnect 36 Where the connectors are 11 What the signals are 11 Part numbers 46 How to get service help 3 How to close the unit 9 Technical Specifications 43 First look on this page to quickly find where to go in the manual for more information Innovation starts here TM 2 Intelect Legend Series Service Manual ...

Страница 3: ...hase This warranty does not cover Replacement parts or labor furnished by anyone other than the Company the dealer or an approved Company service agent Defects or damage caused by labor furnished by someone other than Company the dealer or an approved Company service agent Any malfunction or failure in the product while it is in the possession of the owner during the warranty period if the malfunc...

Страница 4: ...y be seen The manual also contains diagrams of the connector layout of each board a system diagram of how the unit is wired and a list of signals carried on each wire Also included are calibration procedures for the unit parts lists and information on obtaining service Important The specifications and information put forth in this manual were in effect at the time of publication However owing to C...

Страница 5: ... supervision of a physician or licensed practitioner CAUTION The ultrasound generator should be routinely checked before each use to determine that all controls function normally especially that the intensity control does properly adjust the intensity of the ultrasonic power output in a stable manner Also determine that the treatment time control does actually terminate ultrasonic power output whe...

Страница 6: ...he fuse and the fan Accessories supplied with all Ultrasound units include at least one applicator and ultrasound gel Stim units have electrode leads and electrodes The Control Boards The Ultrasound Control Board The signals controlling the Ultrasound Generator Board are carried through a 40 conductor cable from JP5 on the Control Board to J1 on the US Generator Board Refer to the signal list The ...

Страница 7: ...former The discharges are routed through relays to obtain the proper polarity and connect them to the proper output connector on the board JP2 on the Stim Board determines whether the board operates as channels 1 2 or 3 4 on a CPS 400 This jumper must be set for channels 1 2 for the unit to operate properly See the board drawing in the Signal Lists section for jumper configuration The Ultrasound B...

Страница 8: ... on the Ultrasound Control Board and JP10 on the Stim Control Board The switches are electrically arranged such that one side of all the switches have a common return The other side of the switches are brought out individually to the connector The switch activations are buffered and latched on the Control Boards The LCD Parameter Screen The LCD parameter screen mounts between the Control Board and...

Страница 9: ...per will sound continuously whenever the power is on Special Tools Almost any operation can be performed without any special tools If you need to replace the EPROMs or PALs on any of the boards you MUST use a special tool to remove the parts Attempting to remove these IC s in any other way can damage the socket and make the entire circuit board unusable The preferred tool is Burndy QILEXT 1 sold b...

Страница 10: ...ector on the Control Board The columns are arranged as pin number signal description type of signal and any other notable information about the signal JP1 US Control Board Pin Signal Name Type 1 Battery In Power Unused 2 Battery In Power Unused 3 Power Supply In Power 8 to 18 VDC 4 Power Supply In Power 8 to 18 VDC 5 Ground 6 Ground JP2 US Control Board Pin Signal Name Type 1 Power Out Power 8 to ...

Страница 11: ...ound 6 US Data Line 2 Bi Directional Digital 7 Ground 8 US Data Line 3 Bi Directional Digital 9 Ground 10 US Data Line 4 Bi Directional Digital 11 Ground 12 US Data Line 5 Bi Directional Digital 13 Ground 14 US Data Line 6 Bi Directional Digital 15 Ground 16 US Data Line 7 Bi Directional Digital 17 Ground 18 No Connection 19 Ground 20 US Address Line 0 Output Digital 21 Ground 22 US Address Line 1...

Страница 12: ...e 1 Ground 2 Switch 0 Input Digital Active Low 3 Switch 1 Input Digital Active Low 4 Switch 2 Input Digital Active Low 5 Switch 3 Input Digital Active Low 6 Switch 4 Input Digital Active Low 7 Switch 5 Input Digital Active Low 8 Switch 6 Input Digital Active Low 9 Switch 7 Input Digital Active Low 10 Switch 8 Input Digital Active Low 11 Switch 9 Input Digital Active Low 12 Switch 10 Input Digital ...

Страница 13: ...nged as pin number signal description type of signal and any other notable information about the signal JP1 Stim Control Board Pin Signal Name Type 1 Battery In Power Unused 2 Battery In Power Unused 3 Power Supply In Power 8 to 18 VDC 4 Power Supply In Power 8 to 18 VDC 5 Ground 6 Ground JP2 Stim Control Board Pin Signal Name Type 1 Power Out Power 8 to 18 VDC 2 Power Out Power 8 to 18 VDC 3 Grou...

Страница 14: ...Connection 10 LCD Reset Output Digital Active Low 11 LCD Data Line 0 Bi Directional Digital 12 LCD Data Line 1 Bi Directional Digital 13 LCD Data Line 2 Bi Directional Digital 14 LCD Data Line 3 Bi Directional Digital 15 LCD Data Line 4 Bi Directional Digital 16 LCD Data Line 5 Bi Directional Digital 17 LCD Data Line 6 Bi Directional Digital 18 LCD Data Line 7 Bi Directional Digital 19 Ground 20 N...

Страница 15: ...utput Digital 19 Dual Port RAM Chip Enable Board 2 Active Low 20 Address Line 9 Output Digital 21 Ground 22 Patient Disconnect Output Digital 23 Stim Channel 1 Power Down Output Digital 24 No Connection 25 Ground 26 Stim Data Line 0 27 MicroCurrent Probe Switch Input Digital 28 Stim Data Line 1 Bi Directional Digital 29 Ground 30 Stim Data Line 2 Bi Directional Digital 31 Ground 32 Stim Data Line ...

Страница 16: ...ve Low 6 Switch 4 Input Digital Active Low 7 Switch 5 Input Digital Active Low 8 Switch 6 Input Digital Active Low 9 Switch 7 Input Digital Active Low 10 Switch 8 Input Digital Active Low 11 Switch 9 Input Digital Active Low 12 Switch 10 Input Digital Active Low 13 Switch 11 Input Digital Active Low 14 Switch 12 Input Digital Active Low 15 Switch 13 Input Digital Active Low 16 Switch 14 Input Digi...

Страница 17: ...notable information about the signal J1 Ultrasound Generator Board Pin Signal Name Type 1 Ground 2 US Data Line 0 Bi Directional Digital 3 Ground 4 US Data Line 1 Bi Directional Digital 5 Ground 6 US Data Line 2 Bi Directional Digital 7 Ground 8 US Data Line 3 Bi Directional Digital 9 Ground 10 US Data Line 4 Bi Directional Digital 11 Ground 12 US Data Line 5 Bi Directional Digital 13 Ground 14 US...

Страница 18: ... 36 No Connection 37 Ground 38 US Control Circuitry Power Down Input Digital 39 Ground 40 US Amplifier Power Down Input Digital J2 Ultrasound Generator Board Pin Signal Name Type 1 DC Power Input Input 8 18 VDC 2 DC Power Input Input 8 18 VDC 3 Ground 4 Ground J3 Ultrasound Generator Board Pin Signal Name Type 1 US Generator Output Output 0 50V 1 3 MHz Sine Wave 2 Ground 3 Calibration Read Write O...

Страница 19: ...out the signal Note that the jumper on JP2 MUST be positioned for channels 1 2 for the Stim unit to operate JP1 Stim Board Pin Signal Name Type 1 Dual Port RAM Interrupt Output Digital Active Low 2 Address Line 0 Input Digital 3 Ground 4 Address Line 1 Input Digital 5 Dual Port RAM Busy Output Digital Active Low 6 Address Line 2 Input Digital 7 Ground 8 Address Line 3 Input Digital 9 Dual Port RAM...

Страница 20: ...i Directional Digital 31 Ground 32 Stim Data Line 3 Bi Directional Digital 33 Ground 34 Stim Data Line 4 Bi Directional Digital 35 Stim Channel 2 Power Down Input Digital 36 Stim Data Line 5 Bi Directional Digital 37 Ground 38 Stim Data Line 6 Bi Directional 39 Stim Reset Input Digital Active Low 40 Stim Data Line 7 Bi Directional Digital JP2 Stim Board Header for Jumper Pin Signal Name Type 1 Cha...

Страница 21: ...o Connection 3 Channel 2 Output Hi Stim Output 0 100V Peak Depends on waveform J4 Stim Board Pin Signal Name Type 1 Channel 1 Output Low Stim Output 0 100V Peak Depends on waveform 2 No Connection 3 Channel 1 Output Hi Stim Output 0 100V Peak Depends on waveform J5 Stim Board Not Used on Legend Series Pin Signal Name Type 1 Microcurrent Probe Output Stim Output 60 to 60V Peak or DC 2 Microcurrent ...

Страница 22: ...CHATTANOOGA GROUP INC 7 No Connection 8 Channel 1 Output Low Not Used Innovation starts here TM 22 Intelect Legend Series Service Manual ...

Страница 23: ...e of the above 35 Find the topic that best describes your problem and turn to that section for troubleshooting help This troubleshooting guide will help you through a process of elimination The key is to gather as many clues as possible Observe the behavior of as many aspects of the unit s operation as possible If there is no clear path or conclusion use the information you have gathered as well a...

Страница 24: ...Messages Explained Below is a list of the codes displayed on the LEDs when an error is detected HHH The applicator has reached a temperature that is too high and the US output has been stopped noHd No ultrasound applicator detected E03 An attempt to set up an address on the onewire device failed E04 An attempt to read data from the ultrasound applicator failed E05 An attempt to program the ultraso...

Страница 25: ...rast and saving presets Adjust the Contrast UP Channel 1 Intensity Up Adjust the Contrast DOWN Channel 1 Intensity Down Save Current Output Settings Pause Enter Intelect Legend US Here is the key combination for saving presets Save Current Settings Intensity Up Display Watts W cm2 Innovation starts here TM 25 Intelect Legend Series Service Manual ...

Страница 26: ...until the unit comes on properly That will be the bad board No Does it remain on Yes Is there any indication that power is getting to the unit such as the LCD or LEDs briefly flash or the beeper ticks Yes Unplug everything but the power from the Control Board and see if it comes on If not then it is bad If it did the Stim board or US Generator Board is bad No Check the fuse on the rear of the unit...

Страница 27: ...check for output on the Ultrasound Generator Board using an oscilloscope Refer to the Ultrasound Generator Board drawing and signal list in this manual If there is output at the board connector the applicator is bad No Stim Output Does the display change when a treatment is selected No The Stim Board is probably bad Also check the connector and harness inside the unit Yes First be sure the leads a...

Страница 28: ... is not possible monitoring the output line while the unit is trying to read the calibration data can help determine which component is bad Under normal conditions a fast pulse train is seen as the data is passed from the Applicator to the Generator Board with an amplitude of 5V If the amplitude is 12V the Ultrasound Generator Board is faulty If the pulse train is not observed unplug the applicato...

Страница 29: ... of maximum and the unit is functioning normally Reaching HHH occasionally would not be abnormal but could indicate that the Applicator is extremely inefficient Recalibration see the Applicator Calibration Procedure or replacement would be required to correct this If the head never warms up check for output at 3 MHz by selecting 3 3MHz Continuous and pressing Start Is there output at 3 MHz Yes Som...

Страница 30: ...fective Control Board or LCD screen or possibly the connection between them Ultrasound unit LEDs Are any LEDs working Yes The Control Board is faulty No Are there other signs that the unit is functioning such as the fan runs when Start is pressed and the intensity increased If not check the items in the Power On section If those checks reveal that there is power to the Control Board then it is fau...

Страница 31: ...t boards communicate you can usually probe some of the signals and or swap some boards and determine the source of the problem Observe the unit s operation and find as many details of the problem as possible such as the mode it occurs in settings etc Is the problem repeatable or intermittent Consider parts that may wear as more likely to fail Examine the circuit boards carefully for signs of faile...

Страница 32: ...ages have the wiring diagrams for the Intelect Legend Ultrasound and Intelect Legend Stim units Refer to them for connection information and part numbers Intelect Legend Ultrasound Innovation starts here TM 32 Intelect Legend Series Service Manual ...

Страница 33: ...CHATTANOOGA GROUP INC Intelect Legend Stim Innovation starts here TM 33 Intelect Legend Series Service Manual ...

Страница 34: ...imulator Test 1 IFC Connect scope probe across load on Channel 1 Press IFC and heading of menu should display Ch1 2 IFC Press Up Intensity arrow to increase Output to 50ma and press Start Screen should change to opening display listing Channel 1 IFC at top and timer display in large letters counting down from 15 00 and Output at 50ma Below the output is Ch2 IFC Verify waveform is similar to that s...

Страница 35: ...ity up button to 500 Press Start and verify that the output waveform is similar to that shown below Press Enter and use Main Menu down button to move to Polarity Toggle polarity from positive to negative and observe that the waveform changes as shown below Press Stop upon successful completion Positive Negative Hi Volt Waveforms scope set to 50V div 20uSec div 4 Russian Press Channel 1 button Pres...

Страница 36: ...ect Legend US Calibration Procedure Note All caps indicate a front panel button 1 Plug the applicator and appropriate power supply into the unit Plug the power supply into an appropriate outlet and turn the unit on It should beep and the LEDs should illuminate then fill with default time duty cycle and frequency 2 Unplug the applicator The message noHd should appear in the treatment time display P...

Страница 37: ...ched Allow the unit to run until treatment time runs out Two beeps should be heard followed by another two beeps and then the display will clear back to the default 8 Testing complete Intelect Legend Applicator Calibration Procedure 1 Put unit into calibration mode Turn the unit ON while holding down the Intensity UP button It is not necessary to hold the button down after the initial beep sound 2...

Страница 38: ...the power calibration Cycle the power to the unit off and then back on Select continuous duty cycle and increase the output to the settings listed Verify that the power indicated on the UPM DT 10 power meter is within the indicated range Check power at both 1 MHz and 3 3 Mhz Head size Power level Output range 2 cm2 2 watts 1 72 2 28 4 watts 3 44 4 56 5 cm2 5 watts 4 3 5 7 10 watts 8 6 11 4 10 cm2 ...

Страница 39: ...icator Frequency Mhz 1 0 MHz 3 3 MHz all 5 Power watts 0 4 watt to 10 watts ERA cm 4 0 cm Effective Radiating Area 4 0 cm 1 0 cm Maximum beam non uniformity ratio 6 0 1 Beam type Collimating 10 cm Applicator Frequency Mhz 1 0 MHz 3 3 MHz all 5 Power watts 1 MHz 1 watt to 20 watts 3 3 MHz 1 10 watts ERA cm 8 5 cm Effective Radiating Area 8 5 cm 1 5 cm Maximum beam non uniformity ratio 6 0 1 Beam ty...

Страница 40: ... 0 MHz Variable from 1 watt to 20 watts 10 cm crystal at 3 3 MHz Variable from 1 watt to 10 watts 5 cm crystal Variable from 0 4 watt to 10 watts 2 cm crystal Variable from 0 2 watt to 4 watts Innovation starts here TM 40 Intelect Legend Series Service Manual ...

Страница 41: ...Load During On Time of Burst Current Limit 50 mA Average Voltage max 200 Volts Peak to Peak Carrier Frequency 2500 Hz Burst Frequency 20 100 Hz Duty Cycle 10 to 50 HiVolt Description The output is a fast rising dual pulse with approximately 75 microseconds spacing between pulses Pulse duration First peak is 5 microseconds at one half pulse height and second peak is 8 microseconds at one half pulse...

Страница 42: ...ssembly 78232 10cm Applicator Assembly 78105 40 Conductor Cable Assembly Control Bd to US Generator Bd 71741 3 Ampere Slo Blo Fuse 72315 4 Ampere Slo Blo Fuse 77007 LCD Screen 78108 Fan for CPS Ultrasound or Stim 78215 Intelect Ultrasound Membrane Switch 78217 Intelect Stim Membrane Switch 78121 120VAC Power Cord 78082 Intelect Ultrasound or Stim Power Supply 78113 UL 544 Power Supply 78107 Buzzer...

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