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Enraf-Nonius B.V.

Curapuls 670 Service Manual

1403773

Maintenance

June 1997

4-9

Installation:

Installation of the front cover is in reverse order of the removal

procedure.

4.5.3

Top cover

Removal:

Remove the front cover (see par. 4.5.2). Remove the four screws at the
top at the inside of the housing. Disconnect the cables from CN1 and
CN2 from the main PC Board. Lift the top cover carefully, disconnect
the mains switch if necessary. Remove the top cover.

Installation:

Installation of the top cover is in reverse order of the removal procedure.

4.5.4

Main PC Board

Removal:

See par. 4.5.2 for removal of the front cover. Disconnect the coaxial
cables from output channels A (CN5) and B (CN4) and from connectors
CN1, CN2, CN3 CN8, CN11. Remove the 10 mounting screws.

Installation:

Installation of the main PC Board is in reverse order of the removal
procedure.

Caution:

Check that all fuses have the correct value (see par. 1.3.1)

Note:

Check when mounting the main PC Board for the right version software
(version 4 or above) of EPROM IC1, see appendix B, fig. 5.

Note:

When inserting the EPROM with the application software into the socket,
the PC Board must be supported to ensure that no components will be
damaged by mechanical force.

Note:

Check that jumper ST1 is removed.

4.5.5

User interface PC Board

Removal:

See par. 4.5.2 for removal of the front cover, and par. 4.5.3 for removal
of the top cover. Remove the mounting screws. Remove the user
interface / LCD display module- assembly. For removal of the LCD
display see par. 4.5.6.

Installation:

Installation of the user interface PC Board is in reverse order of the
removal procedure.

Note:

When inserting the EPROM with the control / language software into the
socket, the PC Board must be supported to ensure that no components
will be damaged by mechanical force.

4.5.6

LCD display module

Removal:

See par. 4.5.5 for removal of the user interface PC Board. Disconnect

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Summary of Contents for 1403773

Page 1: ...Curapuls 670 SERVICE MANUAL Part number 1403773 ...

Page 2: ......

Page 3: ... Nonius B V Curapuls 670 Service Manual 1403773 Index June 1997 1 Curapuls 670 SERVICE MANUAL Copyright Enraf Nonius B V P O Box 810 2600 AV Delft The Netherlands part number 1403 773 40 PDF master 01042001 ...

Page 4: ... 1997 3 1 3 2 TOOLS AND MATERIALS Jun 1997 3 1 4 MAINTENANCE Jun 1997 4 1 4 1 GENERAL Jun 1997 4 1 4 2 CHECKLIST Jun 1997 4 1 4 3 FUNCTIONAL TEST Jun 1997 4 1 4 4 TROUBLE SHOOTING Jun 1997 4 6 4 5 REPLACEMENT PROCEDURES Jun 1997 4 8 4 6 ADJUSTMENT PROCEDURES Jun 1997 4 10 5 STORAGE AND TRANSPORT Jun 1997 5 1 5 1 STORAGE Jun 1997 5 1 5 2 TRANSPORT Jun 1997 5 1 6 SPARE PARTS Jun 1997 6 1 6 1 ORDERIN...

Page 5: ... front view Jun 1997 B 3 Fig 4 Chassis front view Jun 1997 B 4 Fig 5 Main PC Board PCB id 2558 568 Jun 1997 B 5 Fig 6 User interface PC Board PCB id 2558 863 Jun 1997 B 7 Fig 7 Curapuls 670 power supply check Jun 1997 B 9 Fig 8 Curapuls 670 adjustment Jun 1997 B 10 Fig 9 115 220 240 VAC Mains power supply configuration Jun 1997 B 11 APPENDIX C SERVICE INFO S Product Change Notes Jun 1997 C 1 C 1 G...

Page 6: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Index June 1997 4 ...

Page 7: ...points out a statement deserving more emphasis than the general text but which does not deserve a Warning or Caution Warning Inside the Curapuls 670 high voltages up to 500V are present in the channel selection circuit beware of electrical shock Do not touch components or heat sinks when the cover is removed Warning High power is present in the power amplifier and the 45 volt supply Short circuit ...

Page 8: ...ustomer Configuration file The actual configuration data of the equipment Service file Data of all service activities The distributor as well as their dealer and or service organization if any is responsible for these records They must be able to provide these data when requested 1 1 4 2 Configuration file A configuration file gives the serial numbers and or batch numbers of main sub assemblies an...

Page 9: ...ons must comply with the national requirements regarding medical used rooms Before connection of this apparatus to the mains supply check that the mains voltage and frequency stated on the type plate of this apparatus correspond to that of the mains supply The 220 240V model is intended for nominal mains voltages of 220 230 or 240 volt The 115V model is intended for nominal mains voltages of 110 o...

Page 10: ...ctrodes are used the selected pulse frequency and treatment duration apply to both electrodes while the other parameters can be set separately for each electrode Simple and safe operation The various parameters are selected by means of push buttons and are set using one central control knob Each parameter is shown on a LCD display giving a good overview of the selected parameters This is made poss...

Page 11: ...body e g the wrist ankle is to be done exact placement of the Circuplode is of greatest importance for beneficial treatment In some cases treatment with a standard Circuplode will not be possible making it necessary to connect a small Circuplode The Curapuls 670 has been designed and manufactured to ensure the highest level of safety the unit fully complies with the IEC 601 series safety standards...

Page 12: ...of conformity COC are available on request 1 3 2 European union Marking CE 4 4 This equipment complies with all requirements of the Medical Device Directive 93 42 EEC and with EMC Guideline 89 336 EEC 1 3 3 Shortwave therapy Shortwave frequencies 27 12 MHz 0 6 Channels 2 Output pulse duration 65 82 110 150 200 300 400 s 5 Pulse frequency 26 35 46 62 82 110 150 200 300 400 600 and 800 Hz 5 600 and ...

Page 13: ...erters Timer circuits VCO circuit Measuring circuits Monitoring safety circuits Driver and output stages Description of the application module The functions of the Curapuls 670 are controlled by the microprocessor P The P gathers information about connected electrodes which type which channel and about the set parameters pulse duration pulse frequency treatment time intensity etc The software used...

Page 14: ...the front panel and information from the central control knob are scanned by the P Also the user actions and the sequence of the actions are checked before these are executed The therapy settings are send to the application module The parameter settings and treatment time are displayed on the LCD display 2 1 3 Mains supply circuit The mains power is fed into the Curapuls 670 via a mains entrance I...

Page 15: ... 601 1 For example a Biotek 601 PRO safety tester Universal frequency counter 30 MHz For example Thandar TF 200 3 2 TOOLS AND MATERIALS It is assumed that a complete set of precision engineering tools is available For the service of the Curapuls 670 the following additional tools are required Anti static bench mat with earthing wire and wrist strap Tool for removal of Dual In Line DIL integrated c...

Page 16: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Test equipment and tools June 1997 3 2 ...

Page 17: ...ONAL TEST 4 3 1 Self test Connect the Curapuls 670 to the mains and switch on the equipment The Curapuls 670 will carry out the so called self test for approx 10 seconds At the end the buzzer sounds otherwise see par 4 4 1 2 4 It is assumed that when the selftest is passed all functions of the Curapuls 670 are okay Switch off the Curapuls 670 4 3 2 Control panel test Push and hold depressed the tw...

Page 18: ...on for diagnostic purposes or used for adjustment calibration see par 4 6 Selection of a test number is done by rotating the central control To start a test press the start stop key When a test is executed the green LED above the start stop key will light Stop a test by pressing the start stop key again During execution of a test the test number can not be changed first stop a test before changing...

Page 19: ...error is generated in the watchdog circuit When an error is found the beeper sounds alternately and the display will show SYSTEM ERROR 043 Main board Error 03 Switch off the Curapuls 670 and continue with the next test by entering the service mode 4 3 7 Formatting the EEPROM Enter the service mode and select test 52 To enter the formatting of the EEPROM press the start stop key During formatting t...

Page 20: ... and 100Hz in the output stage All circuits are working as in the normal condition enabling to measure various signals Also the frequency is controlled to the resonance frequency Connect a Circuplode to Curapuls 670 The power Result dec display reads the SWR ratio Forward Unreflected A good SWR is less than 55H The sub selection numbers are Sub selection 0 0 Watt more than 55H unloaded 1 5 Watt le...

Page 21: ...tected Disconnect the Circuplode the treatment parameters will blank Circuplode not detected Check the connections by moving the cable 4 3 13 Contact indication channel A Check functioning of contact indication with all available Circuplodes Connect a Circuplode to channel A Increase the output power to approx 25 Watt and set treatment time Start the treatment by pressing the Start stop key Check ...

Page 22: ...a Check the earth leakage current in normal condition N C as well as in the single fault condition S F C see technical data 4 4 TROUBLE SHOOTING 4 4 1 Trouble shooting list Failure indication Action to be taken 4 4 1 1 Curapuls 670 does not 1 Check mains power supply switch on LCD display fails 2 Check replace mains cable to light no text is displayed 3 Check replace mains fuses no selftest 4 Chec...

Page 23: ...for adjustment procedure 3 Check replace main PC Board 4 4 1 10 Safety test fails 1 Check replace wiring 2 Check replace transformer 3 Replace main PC Board 4 4 2 Error codes The Curapuls 670 is continuously checked for correct operation by the software If malfunctioning is detected an error message is displayed These error codes can be generated when starting up during selftest or during operatio...

Page 24: ... 6 3 Output frequency to high 045 memory error EEPROM Check connections between main PC Board and user interface PC Board Perform EEPROM format see par 4 6 2 4 5 REPLACEMENT PROCEDURES 4 5 1 General When handling static sensitive devices such as the PC Boards of the Curapuls 670 the following precautions should be observed Persons should be earthed by means of a wrist strap Ground all electrical e...

Page 25: ...e Caution Check that all fuses have the correct value see par 1 3 1 Note Check when mounting the main PC Board for the right version software version 4 or above of EPROM IC1 see appendix B fig 5 Note When inserting the EPROM with the application software into the socket the PC Board must be supported to ensure that no components will be damaged by mechanical force Note Check that jumper ST1 is rem...

Page 26: ...puls 670 is carried out under the following test conditions The mains voltage must correspond with the technical specifications of the Curapuls 670 The ambient temperature must be 25 C 5 C After any repair and or maintenance check a the mains wiring and grounding for safety b the earth connection resistance c the earth leakage current both in the normal and in the single fault condition according ...

Page 27: ...ength 1 50 m 50 6 2x for burn in test miniature screw driver blade 1 4 mm universal frequency counter 30 MHz amperemeter multimeter voltmeter multimeter Note After a repair or adjustment of the main PC Board a burn in test is recommended for testing of the proper functioning of the Curapuls 670 4 6 3 Adjustment Voltage Controlled Oscillator test 37 Select test 37 par 4 6 3 see par 4 3 2 for enteri...

Page 28: ...Sub selection 0 the peak power generated is 300 watts Sub selection 1 the peak power generated is 200 watts Power is only generated in when a dummy is connected to output channel A Note Before performing the power adjustment first check the battery of the HF power meter Connect a multi meter to the red and black banana type plugs and check the output power switch in OFF position The minimal voltag...

Page 29: ...ntil the voltmeter indicates 2 45 volt 0 05 volt 0 7A Check that the current is less than 0 7 Ampere L15 If the current is more than 0 7A adjust by pressing L15 if this does not work an alternative can be to compensate with L23 Check if the voltmeter is still at maximum reading press the start stop key ST4 Remove the jumper from ST4 Choose subselection 1 200W HF output and press the start stop key...

Page 30: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Maintenance June 1997 4 14 ...

Page 31: ...ust be stored at room temperature 20 C The relative humidity should be less than 50 The storage room must be clean dust free and ventilated For the spare parts of the Curapuls 670 the above mentioned requirements also apply 5 2 TRANSPORT The Curapuls 670 and any accessories should always be transported in its original packing This packing withstands normal shocks and vibration caused by transport ...

Page 32: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Storage and transport June 1997 5 2 ...

Page 33: ...g data 6 1 1 Normal delivery The procedure for normal delivery is the standard procedure for processing your spare parts orders This procedure is suitable for spare parts orders which do not require rapid delivery such as stock replenishment orders If you have an agreement with Enraf Nonius about fixed delivery dates the spare parts will be send together with the next delivery unless otherwise agr...

Page 34: ...Request for Return Shipment form and send this form by fax to your agent at Enraf Nonius 2 Within two working days you will receive the form back again by fax You will then see that the R eturn number has been filled in this means that your return shipment has been registered by Enraf Nonius 3 Note this R eturn number on the address label Pack up the goods together with the Authorization Request f...

Page 35: ...A number in this column indicates the minimum recommended quantity for spare parts stock at the local service organization Quantity of equi pment in use 1 50 C A Y yes in this column marks the so called Registered items The service engineer must record the type and serial number of the spare part as well as type and serial number of the unit in case of replacement Part no The part number column sh...

Page 36: ...V 5X20mm F1 10 10 2655175 Fuse T 1A 250V 5X20mm F2 10 10 2655180 Fuse T 3 15A 250V 5X20mm F3 10 10 2655180 Fuse T 3 15A 250V 5X20mm F4 10 10 2655162 Fuse T 0 05A 250V 5X20mm F5 10 10 2655151 Fuse T 20A 250V 6 3X32mm IC1 Y 0 1 0403704 IC EPROM softw ver 4 for main PC Board IC2 Y 0 1 0403710 IC EPROM softw ver 1 for user interface PC Board LCD 0 1 2562772 Display LCD graphic 240x128 pixels PCB1 Y 0 ...

Page 37: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 1 APPENDIX B DRAWINGS Figure 1 Block diagram ...

Page 38: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 2 Figure 2 Curapuls 670 top view ...

Page 39: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 3 Figure 3 Curapuls 670 front view ...

Page 40: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 4 Figure 4a Chassis front view top cover Figure 4b Chassis front view chassis ...

Page 41: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 5 Figure 5 Main PC Board PCB id 2558 568 ...

Page 42: ...rvice Circuit adjustments L3 frequency C162 L20 L23 P1 output stage Serviceable parts for FSE Fuses F1 F2 F3 F4 F5 Bridge rectifier BR EPROM IC1 Repairable by manufacturer Yes Application compatibility Application PB Board used for Curapuls 670 and Curapuls 403 units Note The PC Board will be supplied with software use the software EPROM IC1 which is specified for the equipment in question see abo...

Page 43: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 7 Figure 6 User interface PC Board PCB id 2558 863 ...

Page 44: ...service spare part part no not printed on PC Board used for ordering only Software 0403710 ID 1 version 01 in EPROM E T Service Circuit adjustments No Serviceable parts for FSE Switches S1 S2 EPROM IC2 Repairable by manufacturer Yes Application compatibility User Interface PC Board used for Curapuls 670 units with back light LCD display Note The PC Board will be supplied without software use the s...

Page 45: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 9 Figure 7 Curapuls 670 power supply check ...

Page 46: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 10 Figure 8 Curapuls 670 adjustment ...

Page 47: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 11 Figure 9 115 220 240 VAC Mains power supply configuration ...

Page 48: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix B June 1997 B 12 ...

Page 49: ... as Service Info s product change notes Once every year Enraf Nonius publishes a Service Info which lists all the published Service Info s until sofar Once every year Enraf Nonius publishes a Service Info which lists all the published service manuals Note that from that moment on these manuals contain all the published Service Info s until sofar The relevant technical information will then be bind...

Page 50: ...Enraf Nonius B V Curapuls 670 Service Manual 1403773 Appendix C June 1997 C 2 C 2 Revision history First edition June 1997 Revisions Chapter Revision Date of issue page ...

Page 51: ...ace an extra metal plate diameter 50mm from the service set if in step 9 The outer edge of the knob makes contact with the edge of the arm an extra plate can be added 5 remount the plate with the oblong shaped hole it must lock on the axis of the joint 6 add the M10 ring from the service set and center it with respect to the axis 7 place the new knob with the high ridge from the service set 8 rota...

Page 52: ... routinely at next service call Perform only upon unit failure Information only Commencing date October 31 1997 Carried out from series Curapuls 670 01001 Curapuls 970 01001 New components 0431 804 service set Deleted components three knobs two spider springs two M10 rings manual 0169 285 41 Our reference ...

Page 53: ...e housing of the unit Installation Mount 10 new spacers M4 x 33mm in the mounting chassis inside the unit Remove the protective plate at the component side of the main PC Board also remove the mounting plate 2 screws M4 x 50 and 3 screws M4 x 8mm which is mounted on the heatsink of the main PC Board Mount the heatsink main PC Board assembly to the mounting chassis inside the unit with 10 screws le...

Page 54: ...vice manual Change classification Perform immediately on all field units Perform routinely at next service call Perform only upon unit failure 0 Information only Commencing date July 1998 Carried out from series 11 000 New components NA Deleted components NA Our reference WV 1403 000 61 18 ...

Page 55: ...reated with this lacquer Ordering information ANTI corona spray EN part number 4120 018 Description RS COMPONENTS part number 569 313 Anti corona lacquer clear pliable moisture repellent lacquer designed to reduce surface tracking and corona in EHT circuitry Suitable for assembled PCB s transformer windings and component protection Dielectric strength 48 kV mm Temperature range 20 to 150 C Package...

Page 56: ......

Page 57: ...is before mounting the PC Board that a hole is drilled into the chassis at position A see figure 1 If there is no hole in the chassis at position A drill a hole with a diameter of 4 5 mm into the chassis use the PC Board heatsink as a reference Caution Make sure that no metal particles caused by the drilling will fall into the PC Board or inside the housing This could cause a short circuit Mount t...

Page 58: ...No SI 670 02 Oct 1998 Page 2 of 2 Figure 1 Detail of the main PC Board ...

Page 59: ......

Page 60: ...Subsidiary of Henley Healthcare Inc Enraf Nonius B V P O Box 810 2600 AV Delft The Netherlands ...

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