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GE MEDICAL SYSTEMS 

 LOGIQ A1 BASIC SERVICE MANUAL

 

REV 2

 

5176463-100

 

 

1 

Modification record 

 

Vers-

ion  

Old 

Numbers 

Chapter 

Page 

Summary  

Name 

Date 

Rev2 

Rev1 

1.  DAMAGE   IN   

TRANSPORT

ATION 

2.  CHAPTER 1 

1.  Page 1 

2.  Page 2 

Update company 

name, address, and 

telephone number. 

Hua Fang  Oct. 25, 

2006 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for LOGIQ A1

Page 1: ...GE Medical Systems Technical Publications 5176463 100 Rev 2 LOGIQ A1 Basic Service Manual Copyright 2006 By General Electric Co Operating Documentation ...

Page 2: ...very bill by GE s agent or the principal of hospital before deliver the goods No matter the defect note is added or not let the deliveryman know the situation of the device The freight company is responsible of the goods within 14 days after receiving If no claim is made within this period the freight company will not pay for counterclaim GE Medical Systems China Co Ltd Tel 86 510 85225888 No 19 C...

Page 3: ...ICE MANUAL REV 2 5176463 100 1 Modification record Vers ion Old Numbers Chapter Page Summary Name Date Rev2 Rev1 1 DAMAGE IN TRANSPORT ATION 2 CHAPTER 1 1 Page 1 2 Page 2 Update company name address and telephone number Hua Fang Oct 25 2006 ...

Page 4: ...GE MEDICAL SYSTEMS LOGIQ A1 BASIC SERVICE MANUAL REV 2 5176463 100 2 ...

Page 5: ...2 1 3 Physical Specification 11 2 2 Installation 13 2 2 1 Overview 13 2 2 2 Average installation time 13 2 2 3 Checking the components 13 2 2 4 Unpacking LOGIQ A1 13 2 2 5 Assembling LOGIQ A1 14 2 2 6 Installation of optional accessories 14 2 2 7 Adjustment of monitor contrast and brightness 15 2 3 Electrical safety tests 15 2 3 1 Outlet test wiring Arrangement 15 2 3 2 Ground Continuity 16 2 3 3 ...

Page 6: ...Tissue imitated ultrasonic phantom examination 30 4 3 Diagnosis 31 4 3 1 Keyboard Test 31 4 3 2 Image Memory Test 31 4 4 Maintenance and Adjustment 31 CHAPTER 5 SYSTEM ARCHITECTURE 32 5 1 Circuit Boards 32 CHAPTER 6 PERIODIC MAINTENANCE 33 6 1 Overview 33 6 2 Periodic Maintenance 33 6 3 Procedure 33 6 3 1 Visual inspection 33 6 3 2 Cleaning 34 6 3 3 Testing 35 6 4 Trackball maintenance 35 6 4 1 Re...

Page 7: ...rvice information for the LOGIQ A1 Ultrasound Scanning System It contains the following chapters Chapter 1 Introduction Contains a content summary and warnings Chapter 2 Installation Including electric request before installation and LOGIQ A1 s installation process with whole bills of installation and examination Chapter 3 System Outline including the description of mechanical electric environment...

Page 8: ...in the rating voltage 4 Probes need to be maintained carefully It is dangerous to use damaged probe on patient Image quality is influenced by damaged probe too The damaged probe must be discarded using repaired probe is forbidden Do not touch the probe surface with the speculate things or knock the probe 5 Do not put any liquid over or on the top of mainframe There might be current leakage if elec...

Page 9: ...degree of safety and protection Back of mainframe Equipment authentication labels Indicate to have passed the trial produce register of national medicament government Back of mainframe Type BF device Symbol is the person in the frame indicate the type B device equipped with the type F applied parts usually to hang some probes Exterior Class equipment means the equipment not only has the basic insu...

Page 10: ...singularity malfunction condition 1 4 EMC Electromagnetic Compatibility 1 4 1 EMC performance The electromagnetic interfere to other device through interspace transmission or the linked cable depends on the specialities of electric device EMC glossary shows that the device has the capability not only to avoid the electromagnetism interfere from other device but also has the capability not to affec...

Page 11: ...omposition of system Modification of configuration components Modification in the way to fix system components turn on or off the cover board close the bolt of cover board 3 Close all the cover boards when operating if one cover board is on make it off before continuing the operation in spite of any reason It will affect EMC capability when the cover board is on 1 4 4 Countermeasures against EMC r...

Page 12: ... the technician who is related to system patient and other persons to follow these regulations 1 5 Contact Information If this equipment does not work as indicated in this service manual or in the User Manual or if you required additional assistance please contact the local distributor or appropriate support resource as listed below Prepare the following information before your call System ID seri...

Page 13: ...wing wire s parameters a week before installation It is better to use Drantez Model 605 3 power cord monitor with 101 options Parameter Rating Power requirement AC 220V 22V Power consumption No greater then 130VA Power supply frequency 50Hz Power supply twinkling change Less than 25 of regular peak value less than1ms of any instant change status including frequency synchronization asynchronism or ...

Page 14: ... electromagnetism interfere The resource of the electromagnetism interfere including medical laser cautery electron gun computer electric fan Gel refiner microwave oven and cellphone and broadcaster big truck also Read the following defend measurements carefully before installing the device 1 Connect all the devices power cord to the fixed power socket with ground 2 Make sure to connect the place ...

Page 15: ...here is no spare parts of an apparatus for operator Do not open the outer frame or panel in order to avoid electrical shock Only the service person can do the servicing when there is some wrong with the device except supply socket Warning Make sure the back panel is well ventilated Warning Do not hurt the rubber of probe surface using of damaged probe is prohibited Warning Although the emissive ul...

Page 16: ...n the handle key to the position of 12 o clock 4 Connect the inner pin to AC socket in the back panel of main unit connect another pin to the hospital power socket with the regular press output do not use three pin to two pin commutator that will destroy the grounded safety 5 Open the keyboard through the lock on the top of main unit Note Do not move or institute mainframe when dropping the keyboa...

Page 17: ...rounding continuity classis leakage current probe leakage current All measurements are made with an Electrical Safety Analyzer Model Dale 600 600E built by Dale Technology Corporation or equipment device Recommended Tool Table 2 2 Recommended Tool Part Number Name Description 46 285652G1 GE Electrical Safety Analyzer DALE 600 For 120V Units 46 328406G2 GE Electrical Safety Analyzer 600E For 220V U...

Page 18: ...a possible cause and the outlet wiring should be visually inspected 2 3 2 Ground Continuity Caution The patient must not be contacted to the equipment during the test because it may cause electric shock Caution Measure the resistance from the third pin of the attachment plug to the exposed metal parts of the case See Illustration 2 3 this should be less than 0 2 ohms OHMMETER Ground continuity tes...

Page 19: ...r position 6 Measure the ground wire resistance and keep a record of the results with other hard copies of Preventive Maintenance PM data kept on site 2 3 3 Chassis Leakage Current Test Definition Leakage current is the electrical current that could flow through the patient or sonographer should a ground wire break The unit the probes and all external peripherals must be tested The test verifies t...

Page 20: ...LEAKAGE CURRENT TEST Illustration 2 5 4 Plug the black chassis cable into the meter s CHASSIS connector and attach the black chassis cable clamp to an exposed metal part of LOGIQ A1 Refer Illustration 2 4 5 Set the tester s Function switch to CHASSIS position 6 Take readings for various locations as mentioned in Table 2 3 Table 2 3 CHASSIS LEAKAGE CURRENT TEST CONDITIONS Test Location 1 Mounting s...

Page 21: ...M ALLOWANCE LIMIT FOR CHASSIS SOURCE LEAKAGE CURRENT Country Normal Condition Open Ground Reverse Polarity Open Neutral USA N A 0 3mA 0 3mA N A Others 0 1mA 0 5mA 0 5mA 0 5mA Caution When the meter s ground switch is OPEN do not touch the unit to avoid possible electric shock Table 2 4 DATA SHEET FOR CHASSIS SOURCE LEAKAGE CURRENT Unit Power Tester POLARIT Y Switch Tester NEUTRA L Switch Test 1 Pr...

Page 22: ...e Other variation will result from differences in line voltage and test lead placement Meter Procedure using Probe Adapter and Saline Bath The dale 600 600E provides a method for testing probes independently from the system The meter utilizes a probe adapter to apply common test potential to all connector pins The probe s imaging area is immersed in a saline solution along with a grounding probe f...

Page 23: ...HASSIS connector Refer Illustration 2 6 TRANSDUCER SOURCE LEAKAGE CURRENT TEST Illustration 2 7 5 Plug the probe adapter into the meter s connector marked EXTERNAL 6 Set the meter s FUNCTION switch to EXTERNAL position 7 Add the saline probe and the image area of the probe into the saline bath 8 Have unit power ON for the first part turn it OFF for the second half 9 Depress the ISO TEST rocker swi...

Page 24: ...obe against the aluminium foil on the probe when the unit is ready to scan 11 Depress the ISO TEST rocker switch and record when the unit is ready to scan 12 Follow the test conditions described in the TABLE 2 7 for every probe 13 Keep a record of the results with other hand copies of PM data Data sheet for Transducer Source Leakage Current Follow the foregoing test procedure for every probe The t...

Page 25: ...ad Note No outlet tester can detect the condition where the white neutral wire and the green grounding wire are reversed If later tests indicate high leakage currents this should be suspected as a possible cause and the outlet wiring should be visually inspected Probe Fails Replace the probe and try again Peripherals Fail Tighten all ground connection screws Inspect wiring for bad crimps poor conn...

Page 26: ... 3 SYSTEM OUTLINE 3 1 Overview The outline and size of system is described in this chapter 3 2 Structure 3 2 1 Structure Illustration 3 1 Outline of main unit 3 2 2 Size 450mm 280mm 300mm Ultrasonic gel Monitor Keyboard Track Ball Brightness Knob Probe Contrast Knob Power Switch ...

Page 27: ...SERVICE MANUAL REV 2 5176463 100 25 3 2 3 Rear Panel Illustration3 2 Rear Panel 3 2 4 Control Panel 1 Alphanumeric keys 2 Control key 3 Date and time key 4 Annotation key 5 Patient ID number key 6 Gynecological data table selection key ...

Page 28: ...9 Clear key 30 Power indicator light Illustration3 3 Control Panel 3 3 Electric performance Power cord tie in box output socket breaker and switches should be installed before the mainframe of LOGIQ A1 3 3 1 Power supply All countries should install power cord according to their different requirements 3 3 2 Electrical socket requirement Separate electrical socket 220VAC with 5A breaker is strongly...

Page 29: ...rameter Storage Operating Temperature ºC ºF 10 60 14 140 10 40 50 104 Atmospheric pressure hPa 700 1060 700 1060 Humidity No condensation 30 95 30 95 3 5 Options Options could be connected to LOGIQ A1 through the linker on the back panel of system Linkers are VIDEO OUT linker and power supply linker and VGA OUT linker ...

Page 30: ...heck 4 2 1 Monitor Display after turning on The test is performed with the linear probe when installing Check these function again when repairing the system The display of monitor is as follows Refer Fig 4 1 1 B mode image 2 Year Month Day Hour Minute 3 Total Gain 0 99 4 Near Gain 30 0 5 Far Gain 0 30 6 Focus points 7 Displaying mode and zooming 8 Scanning position 9 Measuring and Body marks 10 Me...

Page 31: ...dy marks 19 Probe position 20 Patient name 21 Gray scale 22 Image annotation 23 Hospital name 24 Level surveyor s staff Monitor Display after turning on Installation 4 1 4 2 2 Basic control The basic control is described in the Table 4 1 it is useful to check the system when installing ...

Page 32: ...Far Gain Adjust Depth key Adjust the depth of image Adjust Reverse key once Press again Indicate the image from left to right Image changes from right to left Press M key Press B M key Press B B key Move Trackball Indicate M mode image Indicate B M mode image Move the scanning cursor with trackball Indicate B B mode image Scanning cursor changes with trackball and the B M mode image changes also P...

Page 33: ... tested should be written on the memorizer and unscrambled then We try to see if the unscrambled image effective or not through the test If the image on the memorizer is not correctly displayed it means the test is failed 4 4 Maintenance and Adjustment There is no extra spare part for maintenance and adjustment in the system of LOGIQ A1 When the system has problem it is recommended to exchange the...

Page 34: ...3 100 32 CHAPTER 5 SYSTEM ARCHITECTURE 5 1 Circuit Boards The table below shows LOGIQ A1 system circuit boards Table 5 1 Circuit Boards Circuit Boards of LOGIQ A1 DSC Digital Scan Convert board TX Transmission board RV Receiving board Keyboard Keyboard PCB board ...

Page 35: ...One time maintenance every six months to insure systemic capability steady Maintenance period is evaluated by operating equipment 40 hours every week 6 3 Procedure 6 3 1 Visual inspection 1 Check if the cable is ruptured or fissured and the insulated layer of cable is abraded 2 Check if the cable jacket and cable airproof packet link implement clamp well 3 Check if cables connect correctly 4 Check...

Page 36: ...me and system shell 5 Dab of the monitor with the soft humid cloth to dab if it is too dirty it is better to use humid cloth with scour and then soft clean cloth 6 Dab keyboard with soft humid cloth 7 Dab keyboard with dry soft cloth 8 Dab the Video frequency printer with dry soft cloth Note Do not spill any liquid to get inside system when cleaning monitor be carefully do not abrade monitor Probe...

Page 37: ... liquid without surface activation for example Cidex 9 Do not use alcohol or any liquid like alcohol 10 After use antiseptic to disinfect use distilled water to wash all hangover in the probe 6 3 3 Testing 1 Make sure that the hospital s power supply is regular 2 Insure all power voltage is within the prescribe range See chapter 4 function of maintain adjust procedure examine 3 Carry out electric ...

Page 38: ...ee do not let any liquid into it system keyboard Clean the trackball parts with alcohol propyl alcohol Don t use anyother impregnant to avoid damaging rubber and mechanical parts of trackball 6 4 3 Fixing the trackball and retainer ring 1 Put in the trackball 2 Put in the retainer ring 3 Aim trackball to the guiding hole then fix retainer ring according to clockwise Note Don t use huge strength to...

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