Curapuls 670
SERVICE MANUAL
Part number: 1403773
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
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
Index June 19971
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
CONTENTS Date of issue page
1 INTRODUCTION ....................................... Jun. 1997 1-1
1.1 INTRODUCTORY REMARKS ............................ Jun. 1997 1-1
1.2 GENERAL ............................................ Jun. 1997 1-4
1.3 TECHNICAL DATA ..................................... Jun. 1997 1-5
2 DESCRIPTION ........................................ Jun. 1997 2-1
3 TEST EQUIPMENT AND TOOLS ......................... Jun. 1997 3-1
3.1 TEST EQUIPMENT .................................... Jun. 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 ORDERING ........................................... Jun. 1997 6-1
6.2 WARRANTY CLAIMS ................................... Jun. 1997 6-1
6.3 REPAIR SERVICE ..................................... Jun. 1997 6-2
6.4 RETURN SHIPMENTS .................................. Jun. 1997 6-2
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CONTENTS (contd.)
APPENDIX A SPARE PARTS LIST ............................... Jun. 1997 A-1
APPENDIX B DRAWINGS ...................................... Jun. 1997 B-1
Fig. 1 Block diagram .................................. Jun. 1997 B-1
Fig. 2 Curapuls 670 top view ........................... Jun. 1997 B-2
Fig. 3 Curapuls 670 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 GENERAL ............................................ Jun. 1997 C-1
C.2 REVISION HISTORY ................................... Jun. 1997 C-2
Index June 19973
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Index June 19974
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
1 INTRODUCTION
1.1 INTRODUCTORY REMARKS
This manual has been written for the technicians involved in the service of the
Curapuls 670. Service can be carried out by the service organization of the supplier or
by any other technician authorized by Enraf-Nonius B.V.
The manufacturer will not be held responsible for the results of maintenance or repairs
by unauthorized persons.
Enraf-Nonius B.V. is further referred to as Enraf-Nonius
1.1.1 Safety Aspects
Safe execution of the procedures in this manual requires technical experience and
general knowledge of safety precautions.
Warnings, Cautions and Notes have been used throughout the manual to bring special
matters to the immediate attention of the reader.
- The Warning concerns danger to the safety of the technician or user;
- The Caution draws attention to an action which may damage the equipment;
- The Note 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 can give high currents.
Warning: The HF voltages present in the power amplifier can cause heat
sensation and discomfort after long exposure. Adjustment of the coils in
the power amplifier can be done by hand, but we advise to use a plastic
tool for this purpose.
The sequence of steps in a procedure may also be important from the point of view of
personal safety and prevention of damage, therefore never change the sequence of
procedural steps or alter a procedure.
1.1.2 Legal Aspects
This manual and the information herein are copyright property of Enraf-Nonius B.V.
(Delft, The Netherlands).
Enraf-Nonius B.V. disclaims any responsibility for personal injury and/or damage to
equipment caused by:
- Negligence or disregard of a Warning or Caution;
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- Deviation from any of the prescribed procedures;
- Execution or activities which are not prescribed;
- Ignorance of the general safety precautions for handling tools and the use of
electricity;
- Repairs and/or adjustments made to the equipment with a patient connected.
1.1.3 Environmental Aspects
The following materials have been used for construction of the Curapuls 670:
- material: Berillicum oxide ( is toxic, this is found inside the power transistors,
do not open the transistor housing)
Please dispose off properly in case of replacement according to the local regulations.
1.1.4 Data registration
1.1.4.1 Equipment and customer registration/Service file
From the point of view of safety and product liability the following data must be
registered for each unit:
- Equipment data: Type (part) and serial number
- Customer data: Date of delivery of the equipment to the customer, name and
full address of the customer
- 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 and/or important parts per unit. The parts listed in a configuration file are
defined as registered parts. Such are for example parts as transformers, PC Boards,
key-boards and software. The registered parts of the Curapuls 670 are marked with a
"Y" for "Yes" in the spare parts list in appendix A (column C).
Enraf-Nonius has the original configuration file of each unit. Any possible changes in
the original configuration of the supplied units must be filed and the distributor must be
able to provide this data. These changes can simply be stored in the service file of the
specific unit. Part, serial or batch number(s) of the new parts have to be mentioned.
In case of a claim we expect the distributor to report the claim and the actual
configuration data of the equipment in question.
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1.1.5 Product documentation
The documentation set for the Curapuls 670 also incudes an Instruction manual and
therapy books. The instruction manual is a recommended item for all service
engineers.
Ordering data:
- 1403.751 Instruction manual
- 1403.773 Service manual
- 1419.767 “Shortwave therapy"
- 1419.781 Service manual “Curamed and Curapuls accessories”
Therapy books:
- 1430.761 “Hoogfrequent Electrotherapie met de Curapuls 670" Dutch language
- 1430.762 “Pulsed short wave therapy with the Curapuls 670" English language
- 1430.763 “Pulsed short wave therapy with the Curapuls 670" German language
- 1430.764 “Pulsed short wave therapy with the Curapuls 670" French language
- 1430.765 “Pulsed short wave therapy with the Curapuls 670" Spanish language
1.1.6 Installation
For installation of the Curapuls 670 see the Operating Instruction manual.
Also:
- It is not allowed to use this unit in so-called "wet rooms" (hydrotherapy rooms).
- The mains supply connections 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
or 120 volt.
- This apparatus must only be connected to a wall socket with protective earth
connection.
- A potential equalisation cable may be connected to this unit if prescribed in the
national regulations.
1.1.7 Modifications
This publication could include technical inaccuracies or typographical errors. Changes
are periodically made to the information herein; these changes will be published as
Service Info's in appendix C of this Service Manual.
1.1.8 Product evaluation
In order to continuously improve the quality of our products, Enraf-Nonius requests her
service organizations to report any structural problem which may be discovered. When
the same problem regularly occurs or when safety problems occur, we would like you to
send us a product complaint report. The report must contain the name, the type of the
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product, a detailed description of the problem, the number of the same problems,
quantity of sold equipment and your solution to the problem (if any). The product
complaint report can be found as an enclosure in the Service Reference book.
1.1.9 Additional Information
Please do not hesitate to contact your National sales organisation or distributor.
For additional information:
Enraf-Nonius B.V.
P.O. Box 810
2600 AV Delft
The Netherlands
Tel: +31 (0)15 - 2698400
Fax: +31 (0)15 - 2561686 (Sales Division International)
Technical service support:
Tel: +31 (0)45 - 5276220
Fax: +31 (0)45 - 5259662
E-mail: tss@enraf-nonius.nl
1.2 GENERAL
The Curapuls 670 is a two channel microprocessor-controlled unit for pulsed shortwave
therapy, applied by means of one or two inductive electrodes (Circuplode).
In the Curapuls 670, pulse duration, pulse frequency, power and treatment duration are
adjustable. When two electrodes 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 possible by the application of
microprocessor technology. The microprocessor controls and monitors all functions
during operation. Directly after switching on, the microprocessor automatically tests the
electronics of the Curapuls 670 for safety and correct functioning.
The Curapuls 670 menu can be set in five languages, GB, NL, D, F, E. Changing
languages can be done by pressing the “cursor left” key for approx. 2 sec. in the main
menu. Changing the language (and other default settings) is done by selecting the
option with the “cursor UP or DOWN” keys and rotating the central control.
Pre programmed treatment protocols are available. The treatment protocols are divided
in seven sub-selections. In the sub-selection a treatment can be chosen from a list of
protocols.
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Optimum energy transfer
Considerable attention has been paid to the way in which the high-frequency energy is
transferred to the tissue. Continuous microprocessor-controlled fine tuning ensures
optimum adaptation to the tissue characteristics. Special high-output inductive
electrodes have been developed for use with the Curapuls 670. These are of the
’Circuplode’ type, and are available in small, large and elliptic treatment areas. They
are provided with screening for the electrical field so that only a magnetic field* is
created.
* a pure angular electric/electromagnetic field
The type of electrode (large/small/elliptic) connected to each channel is recognized
automatically, eliminating the chance of incorrect settings. If the load on the electrode
is insufficient, no power will be supplied. This is indicated by a flashing LED on the
electrode. This form of power transfer indication prevents inefficient treatment, thus
contributing to optimum treatment results.
If treatment on a small part of the 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.
1.3 TECHNICAL DATA
1.3.1 General
Mains supply : 110-120 VAC, 220-240 VAC
Permissible mains voltage var. : ±10% (220-240 V)
Mains frequency : 50-60 Hz
Current consumption : max. 3.5 A at 115 V
Mains fuses : 2 x F 6.3 A 250 V (F, mains entrance)
Internal fuses : T 1A (F1, 18.5V supply)
Patient leakage current : typical 2
Ditto, single fault condition : typical 2
Earth leakage current : typical 250
Ditto, single fault condition : typical 450
Earth resistance : 0.03
Safety class : I
Safety approval : GS Test Mark of TÜV Rheinland
Radio interference suppression : EN60601-1-2
Dimensions : 39 x 40 x 93 cm
Weight : 45 kg (excluding arm)
: max. 1.6 A at 230 V (220-240 V)
: T 3.15A (F2, 12V supply)
: T 3.15A (F3, 18.5V supply)
: T 50mA (F4, 160V supply)
: T 20A (F5, 24V supply)
A (IEC requirement 100 A)
A (IEC requirement 500 A)
A (IEC requirement 500 A)
A (IEC requirement 1000 A)
6 (typical) (IEC601 requirement 0.2 6)
1)
type BF
EN50082-2
EN61000-3-2
2)
3)
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Colour specification : EN Custom colours
1)
I: The equipment has a safety earth (ground) connection, and must be connected to
a wall socket with protective earth connection.
2)
BF: The equipment has a floating patient circuit. The Curapuls 670 meets the
requirements of IEC 601 series safety standards.
3)
Copies of certificates or certificates of conformity (COC) are available on request.
1.3.2 European union:
Marking : CE
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
Pulse frequency : 26, 35, 46, 62, 82, 110, 150, 200, 300, 400, 600 and
Pulse power : 0 - 200 W (±20%) in steps of 5W into 50
Mean power : 0 - 64 W (48 and 64 W Circuplode E only) into 50 6
Contact control threshold level : 80 % of initial value
Timer : 0 - 30 minutes (±5%)
4)
s (±5%)
800 Hz (± 5%) (600 and 800 Hz Circuplode E only,
single use)
6
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2 DESCRIPTION
Because of the modular construction of the Curapuls 670 the description is done in
module level. The modules can be found in the block diagram.
2.1 BLOCK DIAGRAM (see appendix B fig. 1)
The electronic circuit of the Curapuls 670 is located on 2 modules:
- Application module HF. (also referred to as main PC Board).
- User interface module (also referred to as user interface PC Board) including LCD
parameter display with backlighting.
Input power and output power devices:
- Mains supply circuit
- Circuplode(s)
2.1.1 Application module HF. (main PC Board)
The function of the application module is to generate the shortwave output power as
specified for the Curapuls 670.
The application module comprises the following circuits:
- AC/DC power supply circuits.
- Fuses
- Processor circuits (
- Program memory
- Analogue to digital (AD) and digital to analogue (DA) converters
- 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 (
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 for these functions is stored in EPROM. Timer circuits are used for
generating treatment parameters and for measuring the output signals. Safety circuits
are applied for checking the safe operation of the Curapuls 670, also is checked that
the output does not exceed maximum values. All signals are generated by the
converted by a DA converter to analogue signals. These signals are measured and
converted by a AD converter. This signal is fed back to the
set parameters and the output is corrected if necessary. The Voltage Controlled
Oscillator (VCO) is also checked for the output frequency which is 27.12 MHz (±0.6%).
The driver and output stages generate the output as specified for the Curapuls 670.
P)
P). The P
P and
P for comparison with the
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2.1.2 User interface module (user interface PC Board)
The user interface module enables communication between the application module and
all user controls and display (parameter selection keys and parameter control).
The user Interface module comprises the following circuits:
- Processor circuit (
- Program memory
- LCD display
- LCD display back light inverter
- Indication LED
- Parameter selection keys
- Amplitude/parameter control
- Buzzer
Description of the user interface module:
All treatment parameter settings and user actions are checked by the
memory. The selection switches at the front panel and information from the central
control knob are scanned by 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. Inside the mains
entrance two mains fuses are found. The mains power runs via a mains filter and a
mains switch to the primary side of the mains transformer. The mains power is
transformed into 12V, 18.5V, 18.5V, 24V and 160V and fed into the power supply
section of the main PC Board.
P)
P and program
P. Also the user actions and the sequence of the
2.1.4 Circuplode(s)
To transmit the HF. power into a patient Circuplodes are used. Available Circuplodes
are Circuplode diam. 90mm, Circuplode diam. 140mm and the Circuplode-E (ellipse
shaped).
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3 TEST EQUIPMENT AND TOOLS
3.1 TEST EQUIPMENT
For the repair and maintenance procedures of the Curapuls 670 the following test
equipment and accessories are required:
- Digital multimeter 3 1/2 digit, accuracy better than 1 %. (2x) For example Fluke 77
- Two beam oscilloscope, >30MHz, accuracy better than 5%. For example Philips PM
3055
- Safety tester according IEC 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 circuits, 0.6"
- Dummy load 50
- Curapuls 403/670 HF power meter Part No. 0403.803
- Coax cable length 0.60 m. 50
- Coax cable length 1.50 m. 50
- Miniature screw driver (trim screwdriver), blade 1.4mm.
6 (2x for burn-in test) Par. No. 0403.801
6
6 (2x for burn-in test)
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4 MAINTENANCE
4.1 GENERAL
We recommend to check the Curapuls 670 annually.
4.2 CHECKLIST
The following procedures must be carried out during an inspection and/or after every
repair:
4.2.1 Modifications, if any, according to the "Service Info" sheets. See appendix C of this
manual for further information.
4.2.2 Visual inspection. Check the electrical wiring for safety and check that all components
are properly fastened. Check that the fuses have the specified ratings (see par. 1.3.1).
4.2.3 Check that all accessories are in good condition.
4.2.4 Functional test (see chapter 4.3).
4.2.5 File all service activities.
4.3 FUNCTIONAL 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 two right-hand switches (enter and start/stop keys) at
control panel simultaneously, during switching on the Curapuls 670 on (see appendix
B, fig. 2).
Release the switches after the “beep”.
Check the switches one by one; each time the buzzer sounds, the switch which is
depressed is shown in the LCD display (otherwise see par. 4.4.1.6).
Check the central control knob, rotating clockwise will move a rectangle from left to right
between the two lines at the bottom of the LCD display. Rotating anti-clockwise will
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move a rectangle right to left between the two lines at the bottom of the LCD display
(otherwise see par. 4.4.1.7).
Entering the service mode:
Testing of other parts of the Curapuls 670 is done in the so called “SERVICE MODE”.
For starting the service mode enter the following key code when in control panel test
mode, press in sequential order the following keys:
2 x cursor up key,
1 x enter key,
1 x cursor down key,
2 x cursor right key.
After entering this code the Curapuls 670 is in service mode. The following options are
displayed:
Test number : test number of the test for the Curapuls 670.
Sub-selection : test sub-selection if available.
Result hex. : test results in hex. if relevant.
Result dec. : test results in dec. if relevant.
Note: Only the tests which are relevant for the functional test are shown below, other
tests are used during production, 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 to an other test.
Note: Leaving the service mode is done by switching off the Curapuls 670.
4.3.3 Main board software version number
Enter the service mode and select test 36
To display the application software version press the start/stop key.
The displayed version is A4 or higher (A = application software Curapuls 670, 4 =
version number).
Stop the test by pressing the start/stop key.
Continue with the next test or leave the service mode by switching off the Curapuls 670.
4.3.4 User interface / language software version number
Enter the service mode and select test 53
The language software version is displayed at “Result hex” on the display.
The user interface software version is displayed a “Result dec” on the display.
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Continue with the next test or leave the service mode by switching off the Curapuls 670.
4.3.5 Display test
Enter the service mode and select test 50
To enter the display test press the start/stop key.
An alternating block-pattern is displayed. Check that no pixels are missing in normal or
inverted mode.
Stop the display test by pressing the start/stop key.
Continue with the next test or leave the service mode by switching off the Curapuls 670.
4.3.6 Watchdog circuit test
Enter the service mode and select test 51
To enter the display watchdog circuit test press the start/stop key.
An 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 the buzzer sounds.
When the buzzer stops continue with the next test or leave the service mode by
switching off the Curapuls 670.
4.3.8 Circuplode identification test
Enter the service mode and select test 10
Connect a Circuplode to channel A of the Curapuls 670. To enter the identification test
press the start/stop key.
Result hex. display:
00 No Circuplode connected
01 200 Watt Circuplode
02 150 Watt Circuplode
03 100 Watt Circuplode
04 200 Watt / 800 Hz Circuplode E
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05 dummy load
06 short circuit
Stop the identification test by pressing the start/stop key.
Continue with the next test or leave the service mode by switching off the Curapuls 670.
4.3.9 Safety relay test
Enter the service mode and select test 11
This test controls the safety relay and switches it on and off with a frequency of 1 Hz.
The functioning of the relay can be heard by the click-sound inside the housing (see
appendix B, fig. 7). By using a multimeter (DCV) the proper working can be checked at
TP34 (GND) and TP16.
Stop the safety relay test by pressing the start/stop key.
Continue with the next test or leave the service mode by switching off the Curapuls 670.
4.3.10 Channel A function test
Enter the service mode and select test 26
This test generates a low power pulse of 400 us 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 less than 55H (loaded)
2 10 Watt “
3 15 Watt “
4 20 Watt “
When an incorrect SWR value is displayed see par. 4.4.1.8
Stop the channel A function test by pressing the start/stop key.
Continue with the next test or leave the service mode by switching off the Curapuls 670.
4.3.11 Channel B function test
Enter the service mode and select test 27
This test generates a low power pulse of 400 us 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).
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A good SWR is less than 55H.
The sub-selection numbers are:
Sub-selection: 0 0 Watt more than 55H (unloaded)
1 5 Watt less than 55H (loaded)
2 10 Watt “
3 15 Watt “
4 20 Watt “
When an incorrect SWR value is displayed see par. 4.4.1.8
Stop the channel B function test by pressing the start/stop key.
Leave the service mode by switching off the Curapuls 670.
FUNCTIONAL TESTS IN OPERATING MODE:
The next tests are done in operating mode. To end the service mode switch off the
Curapuls 670. Switch on the Curapuls 670 and wait until the selftest is ended. Select
Treatment parameters in the MAIN MENU.
4.3.12 Channel A Circuplode detection.
Connect a Circuplode to output channel A.
Check that treatment parameters are displayed at the left side of the LCD display
(Circuplode detected).
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 the functioning of the contact indication
LED on the Circuplode. When no load is detected the LED will blink and the buzzer is
beeping. When a load is detected the LED lights and the buzzer stops (otherwise see
par. 4.4.1.9).
4.3.14 Channel B Circuplode detection.
Connect a Circuplode to output channel B.
Check that treatment parameters are displayed at the left side of the LCD display
(Circuplode detected).
Disconnect the Circuplode, the treatment parameters will blank (Circuplode not
detected). Check the connections by moving the cable.
4.3.15 Contact indication channel B
Check functioning of contact indication with all available Circuplodes.
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Connect a Circuplode to channel B.
Increase the output power to approx. 25 Watt and set treatment time. Start the
treatment by pressing the Start/stop key. Check the functioning of the contact indication
LED on the Circuplode. When no load is detected the LED will blink and the buzzer is
beeping. When a load is detected the LED lights and the buzzer stops (otherwise see
par. 4.4.1.9).
4.3.16 Output power
Check the power using the Curapuls 670 power meter and 50 ohms dummy in
combination with a voltmeter.
Connect the power meter and dummy to channel A.
Connect the voltmeter to the banana type plugs.
Set maximum power for channel A. Set treatment time and start treatment. The
voltmeter should read 2.00 volt ± 0.1 Volt (otherwise see par. 4.6.4).
4.3.17 Safety tests
Check the resistance of the earth connection (see technical data).
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. Check/replace mains switch
5. Check/replace main PC Board fuse(s) (F2)
6. Check connections between main PC Board
and user interface PC Board
7. Perform power supply check, see par. 4.6.1
8. Check/replace wiring
9. Check/replace transformer
4.4.1.2 Selftest fails 1. Check/replace main PC Board
2. Check/replace user interface PC Board
3. Check/replace main PC Board fuse(s)
4.4.1.3 Curapuls 670 LCD display fails 1. Check connection display backlighting
to light, no text is displayed, beep 2. Check/replace display back light PC Board
after selftest 3. Check/replace LCD display module
4.4.1.4 Curapuls 670 LCD display back light 1. Check/replace EPROM(S) on user interface
OK, no text is displayed no selftest PC Board
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Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
2. Check/replace user interface PC Board
4.4.1.5 Curapuls 670 LCD display no back 1. Check/replace wiring between main PC
Board
light, text (low contrast) is displayed and display PC Board
2. Check/replace display back light PC Board
4.4.1.6 Control panel test (selection keys) 1. Check/replace switch
fails 2. Check/replace user interface PC Board
4.4.1.7 Control panel test (central control 1. Check/replace rotary switch
rotary switch) 2. Check/replace user interface PC Board
4.4.1.8 Incorrect SWR value channel A/B 1. Check/adjust Circuplode, see par. 4.6.5 for
function test adjustment procedure.
2. Check/replace main PC Board
4.4.1.9 Circuplode contact indication fails 1. Check with other Circuplode for correct
operating of the Curapuls unit, if not see
par. 4.6.3 and 4.6.4 for adjustment procedure.
2. Check/adjust/replace Circuplode, see
par. 4.6.5 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 operation. An error message is
indicated by an audio signal and an error code on the LCD display of the Curapuls 670.
4.4.3 Error code list
Error code numbers which can be generated are form 0 up to 67. Most error codes
which are generated are meant for repair by Enraf-Nonius Technical Service Support
dept. Other codes than explained below are NOT meant for repair by field service
engineers. For repair of these errors detailed information and/or special tools or
equipment are required.
Error code / description: Action to be taken:
043 communication error 11 - Check 18.5V. (transformer conn. E-F)
(+12V. supply error) - Check/replace fuse F3
043 communication error 12 - Check 18.5V. (transformer conn. G-H)
(-12V. supply error) - Check/replace fuse F1
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043 communication error 13 - Check 18.5V. (transformer conn. G-H)
(+15V. supply error) - Check/replace fuse F1
- Check 18.5V. (transformer conn. E-F)
- Check/replace fuse F3
- Check 160V. (transformer conn. I-J)
- Check/replace fuse F4
043 communication error 14 - Check 160V. (transformer conn. I-J)
(+300V supply error) - Check/replace fuse F4
043 communication error 56 - Check 24V. (transformer conn. A-B)
(+45V. supply error) - Check/replace fuse F5
043 Watchdog error 03 - Replace Main PC Board
043 communication error 57 - Check 24V. (transformer conn. A-B)
(+45V. supply error) - Check/replace fuse F5
043 Main board error 34 - Check/adjust output frequency (see par. 4.6.3)
(Output frequency to low)
043 Main board error 34 - Check/adjust output frequency (see par. 4.6.3)
(Output frequency to high)
045 memory error: EEPROM - Check connections between main PC Board
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 equipment, work-bench, soldering iron etc.
After every repair or adjustment of the Main board, a functional test must be performed
(see par. 4.3).
Warning: Inside the Curapuls 670 high voltages are present, beware of electrical
shock. Do not touch components or heat sinks when the cover is removed.
and user interface PC Board
- Perform EEPROM format, see par. 4.6.2
4.5.2 Front cover
Removal: Switch off the unit and remove the mains cable from the mains entrance.
Remove the screws on both sides of the metal strip between top- and
front cover. Remove the metal strip. Remove the two screws of the
front cover. Remove the front cover by lifting it from the chassis.
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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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Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
the display back light connector (CN4 or CN6 depending on type of
display). Remove the mounting screws. Remove the user LCD display.
Installation: Installation of the LCD display PC Board is in reverse order of the
removal procedure.
4.5.7 Mains transformer
Removal: See par. 4.5.2 for removal of front cover. Disconnect the wiring from the
transformer. The removal of the mains transformer needs no further
explanation.
Installation: Installation of the mains transformer is in reverse order of the removal
procedure.
Note: For wiring of the mains transformer see appendix B, fig. 9.
4.6 ADJUSTMENT PROCEDURES
The adjustment procedure for the Curapuls 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 to the I.E.C. 601 regulations regarding class I, type BF equipment.
- Check that the fuses have the ratings specified.
- Check that all connectors are properly fastened.
- Check that the test jumper is at home position ST1 (pushed on one of the pins,
but not closed).
4.6.1 Power supply check
Switch on the mains and check the following supply voltages with respect to ground
(TP31, TP32, TP33, TP34), see appendix B, fig. 7 for location of the measuring
points.
Volt Tolerance (%) measure at
+8V 5 C2
+5V 5 C12
+12V 5 C27
+15V 5 C34
-12V 5 C44
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+430V 15 C80
+45V 5 C134
+15V 5 IC38
4.6.2 Formatting the EEPROM
Enter the service mode, see par. 4.3.2 and select test 52 (par. 4.3.7)
To enter the formatting of the EEPROM press the start/stop key.
During formatting the buzzer sounds.
When the buzzer stops the formatting process is ended, leave the service mode by
switching off the Curapuls 670.
Adjustments
For adjustments of power and frequency range the following is required:
- Dummy load (50 Ohms) (2x for burn-in test) (see par. 3.2)
- Curapuls 670 power meter (see par. 3.2)
- Coax cable length 0.60 m. 50
- Coax cable length 1.50 m. 50
- 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 entering the service mode).
The result hex. and result dec. on the display read the VCO frequency.
For example: Result dec. 27.30
Frequency of the VCO is 27.30 MHz.
- Calibrate with L3 to 27.12 Mhz. See appendix B, fig. 8 for location of L3.
(Calibrate only if frequency is more than 27.20 or if less than 27.00)
6
6 (2x for burn-in test)
Checking of the VCO frequency is done by connecting a frequency counter to TP10
(signal) see appendix B, fig 8 and TP32 (GND) see appendix B, fig. 7.
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4.6.4 Power adjustment output stage (test 38)
fig. A Connection of the power meter and 50
Explanation of the displayed values during test 38:
Result hex. display:
0 No overload, adjustment can be performed
1 overload
2 no dummy connected
3 fault detected in seftest
4 SWR in channel A not good (check dummy load for 50
In case of 1 - 4 the adjustment cannot be performed, please solve the problem first.
Subselection display:
- 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 voltage
should be 6 Volt, if not, replace the battery.
6 dummy load
6)
Power adjustment output stage
- Switch off the Curapuls 670.
- Connect the Curapuls 670 power meter to channel A with a coax cable 50
1.50 m.
- Connect the 50
- Connect a volt meter to the power meter.
Maintenance June 19974-12
6 dummy to the power meter with a coax cable 50 6 length 0.60 m..
6 length
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
- Remove the connection between TP16 and TP17 and connect an ampère-meter
(DC-mode) instead of it, see appendix B, fig.8.
- Place the test jumper at ST4, see appendix B, fig.8.
See appendix B, fig. 8 for lay-out of the adjustment / connection points.
Warning: At the mounting base of the power transistors near jumper ST4 voltages
up to 400V. are present. Do not touch when the Curapuls 670 is
switched on!
- Switch on the Curapuls 670 and select test 38, par. 4.6.4. (see par. 4.3.2 for entering
the service mode).
- Choose subselection 0 (300W HF output) and press the start / stop key,
C162 Adjust C162 until the voltmeter gives a maximum reading.
L20 Adjust with L20 until 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,
P1 Adjust P1 until the voltmeter reads 2.00 volt ± 0.1 volt.
0.6A Check that the current is less than 0.6 A.
The calibration of the Curapuls 670 is completed.
4.6.5 Frequency / SWR adjustment Circuplode (Test 39)
- Connect the Circuplode to output channel A
- Select test 39, par. 4.6.3 (see par. 4.3.2 for entering the service mode).
- Adjust the Circuplode until the Result dec. display reads 27.14
For technical information about adjustment of the Circuplode(s) see:
Service manual “Curamed and Curapuls accessories” (Part number 1419.781).
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Maintenance June 19974-14
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5 STORAGE AND TRANSPORT
This chapter contains information about the storage and transport of the Curapuls 670
and the storage conditions for the spare parts.
5.1 STORAGE
The Curapuls 670 and any accessories must always be stored in their original packing.
The long term storage conditions are:
- The unit must 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.
During transport and short term storage the temperature should be between - 40 °C and
+ 70 °C. The absolute temperature is not too important, however, rapid fluctuations in
temperature must be avoided.
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6 SPARE PARTS
This chapter deals with placing orders for spare parts (refer to appendix A) as well as
the listing of the actual spare parts (appendix A, spare parts list).
6.1 ORDERING
Spare parts can only be ordered if the following data is supplied:
- Part number
- Description
- Quantity
- Shipping details (Incoterms); normal or rapid delivery
The required data is mentioned in appendix A. For the actual spare parts programme
please refer to in the spare parts catalogue which is published every year.
Enraf-Nonius only supplies parts mentioned in appendix A. Standard parts such as
screws, nuts, cleaning agents and the like are not supplied by Enraf-Nonius; these parts
must be purchased locally.
Send your order to your contact person at the sales department of Enraf-Nonius After
receipt of an order you will receive a confirmation. Always check the ordering 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 agreed.
6.1.2 Rapid delivery (by DHL-courier)
If spare parts for an urgent customer repair are not on local stock then rapid delivery
can be requested from Enraf-Nonius The DHL-costs will be charged. Note that rapid
delivery is subject to stock availability.
6.1.3 Ordering PC Boards
Printed circuit boards are only obtainable as spare part in their latest version. Consult
the technical documentation for instructions of how to modify the latest version of the
PC Board for use in older versions of the apparatus.
6.2 WARRANTY CLAIMS
WarrantY claims must be provided with the Enraf-Nonius-invoice number and with the
type and serial number of the equipment in question. Enraf-Nonius may ask you to
return the (defective) spare parts.
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6.3 REPAIR SERVICE
Defective PC Boards can be offered to Enraf-Nonius for repair. The repair order can be
presented to Enraf-Nonius by means of the "Authorization Request for Return
Shipment". Refer to the return shipment procedure as per par. 6.4.
6.4 RETURN SHIPMENTS
To return defective equipment and/or spare parts an authorization of Enraf-Nonius is
required. To get an authorization use the "Authorization Request for Return Shipment"
of which a copy can be found in the Service General Information guide.
The procedure is as follows:
1. Fill in the "Authorization 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 for Return Shipment" form (or a photo copy).
After the repair order has been carried out the goods will be returned as soon as
possible.
If you have an agreement with Enraf-Nonius about fixed delivery dates, the repaired
goods will be send together with the next delivery.
Note: When sending the main PC Board to Enraf-Nonius for repair, please use the
standard packing in which the replacement PC Board is supplied to aviod
damage during transport.
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Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
APPENDIX A SPARE PARTS LIST
The spare parts list on the next page shows all available spare parts.
The various columns are explained hereafter:
Item: The item number refers to the number on the illustration(s).
R1: A number in this column indicates a suggested quantity of spare parts
for users (Quantity of equipment in use: 1 - 3).
R2: A number in this column indicates the minimum recommended quantity
for spare parts stock at the local service organization (Quantity of equipment 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 shows the code for ordering the part from
Enraf-Nonius.
Description 1: This column gives the general description of the spare part.
Description 2: This column gives the technical specification of the spare part.
Appendix A June 1997A-1
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Spare parts list
Item C R1 R2 Part no. Description1 Description2
001 0 0 2994804 Knob
002 0 0 2994806 Spacer, felt, for knob (item 001) 44x3mm
003 0 0 2188076 Castor
004 0 0 2188077 Castor, with brake
005 0 0 2570037 Cable, Coax, BNC-BNC, internal, HF. output
006 1 1 0403801 Test equipment, Dummy load 50
007 1 1 0403803 Test equipment, HF power meter, Curapuls 403/670
BR 0 2 2562121 Rectifier, bridge
CN 0 2 2523962 Connector, mains input, fused
CNA/B 0 2 2523910 Connector, BNC output channel A/B
F 10 10 2655027 Fuse, F 6.3A, 250V, 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 2 0403810 PC Board, main, High Frequency (HF.)
PCB2 Y 0 2 0430800 PC Board, user interface, incl. LCD back light
inverter
PCB3 Y 0 2 2547394 PC Board, inverter, for LCD back light
5VDC -> 450VAC
S 0 2 2601488 Switch, mains, 2pole, 16A, 250V
S1 0 2 2600473 Switch, for user interface PC Board
S2 0 2 2500095 Switch, encoder. Dig. Cont. for user interface
PC Board
TR Y 0 0 2680844 Transformer, 2x120/12-18.5-18.5-24-160V
6
Appendix A June 1997A-2
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
APPENDIX B DRAWINGS
Figure 1 Block diagram
Appendix B June 1997B-1
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Figure 2 Curapuls 670 top view
Appendix B June 1997B-2
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Figure 3 Curapuls 670 front view
Appendix B June 1997B-3
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Figure 4a Chassis front view, top cover
Figure 4b Chassis front view, chassis
Appendix B June 1997B-4
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Figure 5 Main PC Board, PCB id: 2558.568
Appendix B June 1997B-5
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
PC Board specification
Product code: 0403680 PC Board, application HF.
Description
High Frequency (HF.) application module for Curapuls 670 units.
Layers (single/bi/multi): bi-layer
Product code(s)
0403680 Part no of complete assy (printed on label on PC Board)
2558568 Part no of PC Board only (printed on PC Board)
0403810 Equivalent service (spare part) part no (not printed on PC Board; used for ordering
only)
Software
0403703 ID A3 version 03 in EPROM (HF.) for use with Curapuls 403
0403704 ID A4 version 04 in EPROM (HF.) for use with Curapuls 670
Service
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 above). Replace the software if
required.
The software (EPROM IC1) is also available, see spare parts list.
Note: Before installation of the PC Board check that the jumper ST1 is removed
(Curapuls 670 only), if not, remove it (see PC Board lay-out).
Note: When sending the main PC Board to Enraf-Nonius for repair, please use the
standard packing in which the replacement PC Board is supplied to aviod damage
during transport.
Notes
Appendix B June 1997B-6
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Figure 6 User interface PC Board, PCB id: 2558.863
Appendix B June 1997B-7
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
PC Board specification
Product code: 0403760 PC Board, User Interface (Display)
Description
User interface module for Curapuls 670units.
Layers (single/bi/multi): bi-layer
Product code(s)
0403670 Part no of complete assy (printed on label on PC Board)
2558863 Part no of PC Board only (printed on PC Board)
0403800 Equivalent 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 software (EPROM IC2)
which is used on the PC Board which is to be replaced.
Note: The PC Board will be shipped without the LCD display but including the LCD display
back light supply inverter.
Notes
Appendix B June 1997B-8
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Figure 7 Curapuls 670 power supply check.
Appendix B June 1997B-9
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Figure 8 Curapuls 670 adjustment.
Appendix B June 1997B-10
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Figure 9 115/220-240 VAC Mains power supply configuration
Appendix B June 1997B-11
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Appendix B June 1997B-12
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
APPENDIX C SERVICE INFO’S (Product Change Notes)
C.1 GENERAL
The technical information in the service manuals of Enraf-Nonius is up to date from the
date of issue.
The necessary additional information (of any kind) will be provided in the following way:
- as supplements to the manual, or
- as revised editions (chapters) of the manual, or
- 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
in this appendix.
When a supplement or a revision is made to the manual, a "document history file" is
added to this chapter. This file will give information about the date of issue of
supplements or revisions.
Appendix C June 1997C-1
Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
C.2 Revision history
First edition: June 1997
Revisions:
Chapter: Revision: Date of issue: page
Appendix C June 1997C-2
Enraf-Nonius B. V.
P.O. Box 810
2600 AV Delft
The Netherlands
Service Information
Electrode arm, modified adjustment
The electrode arm 3444033 doesn’t function correctly with respect to the description given in the
accompanying documentation. In the description it is mentioned that the knob(s) needn’t be
loosened when adjusting the arm.
To modify the function of the arm the three joints with a knob must be altered.
• Remove the arm from the equipment (for the Curapuls 670): do not remove both arms at the
same time; otherwise it might not be possible to remount the arms)
• NOTE: place the arm on a flat surface with the knobs up to prevent disintegration of the joint
and use one hand to keep the joint exactly in place while modifying the joint
• For shoulder and elbow joint:
1. rotate the knob counter-clockwise and remove the knob
2. remove the spiderspring and the M10 ring
3. lift the metal plate with the oblong shaped hole with a magnetic tool
4. place 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. rotate the knob clockwise until the knob locks
9. check the functioning of the joint; when the knob is rotated counter-clockwise (for
half a circle) the joint can be easily adjusted; when the knob is rotated clockwise the
joint is locked
• For the wrist joint
1. rotate the knob counter-clockwise and remove the knob
2. place the new knob (with the low ridge) from the service set
3. rotate the knob clockwise until the friction of the joint is enough to support the weight
of an applicator
• Remount the arm
• Replace the manual 0169.285-41 with the new manual 0169.285-42.
When needed, the friction of the cabinet hinge can be adjusted by rotating the bolt(s) of the
hinge. The bolts can be accessed by removing the plastic covers.
Please add this service info to appendix C of your service manual.
No: SI 670 - 02 Oct. 1998Page 1 of 2
Change classification
) Perform immediately on all field units.
0 Perform 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:
No: SI 670 - 02 Oct. 1998Page 2 of 2
Enraf-Nonius B. V.
P.O. Box 810
2600 AV Delft
The Netherlands
Service Information
Curapuls 670, changes main PC Board.
The heatsink at the bottom side of the main PC Board of the Curapuls 670 has been changed.
The PC Board will be shipped completely mounted and wired.
Because of the changes, the replacement of the main PC Board is changed.
When replacing the main PC Board with a “new type” the following procedure should be
followed:
(Also see the service manual chapter 4.5.4)
Main PC Board
Removal: See par. 4.5.2 of the service manual for removal of the front cover. Disconnect
the cables from output channels A (CN5) and B (CN4) and from connectors CN1,
CN2, CN3, CN8 and CN11. Remove the 12 mounting screws. Remove the
main PC Board from the housing. Remove the 10 spacers (M4 x 80mm) from the
mounting chassis inside the 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 left over
from the removal of the main PC Board. Mount the heatsink to the mounting
chassis with 2 large screws (M4 x 40). 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 of the service manual).
Note: Check when mounting the main PC Board for the right version software (version
4, part number 0403.704 or above) of EPROM IC1, see appendix B, fig. 5
(service manual).
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.
No: SI 670 - 02 Oct. 1998No: SI 670 - 02 Oct. 1998Page 1 of 2
Please add this service info to appendix C of your service 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
No: SI 670 - 02 Oct. 1998Page 2 of 2
Enraf-Nonius B. V.
P.O. Box 810
2600 AV Delft
The Netherlands
Service Information
Curapuls 670, Preventive spraying of the main PC Board
To prevent high voltage break-down due to slowly increasing the mains voltage from 220VAC ->
230VAC last years, it is recommended to put an insulation lacquer on the rear (solder) side of the main
PC Board. The small clearance between a few high voltage (approx. 400V with respect to ground)
solder pads an the ground plane could cause a spark jump.
An anti-corona lacquer is available
to prevent this problem.
The marked area in the drawing
has to be treated 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
Package: 400 ml aerosol
Warning: Flammable propellant
Please add this service info to appendix
C of your service manual.
C
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: NA
New components: 4120018 Anti-corona spray
Deleted components: NA
Our reference: WV0403680-74/01/02
No: SI 670 - 02 Oct. 1998Page 1 of 1
Enraf-Nonius B. V.
P.O. Box 810
2600 AV Delft
The Netherlands
Service Information
Curapuls 670, Heat sink mounting.
This service information sheet describes how to improve the thermal contact of the main PC Board
heatsink to the chassis of the Curapuls 670.
The new type main PC Board (see also service information sheet SI 670 - 02) is equipped with an
heatsink which is directly mounted to the chassis of the unit.
The mounting of the main PC Board has been changed, the mounting hole in the heatsink at position
“A” is drilled through the heatsink.
Previous versions of the main PC Board are equipped with an mounting hole with internal M4 thread.
To improve the thermal contact the following modification is suggested:
- When replacing a (defective) main PC Board, the replacement Board must be mounted by
means of an longer screw, item “A” (M4 x 50 mm), to the chassis of the unit (see figure 1
at the other side of this service information sheet).
- Check the chassis 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 the main PC Board to the chassis. Mount the heatsink firmly to the chassis with the
M4 x 50 mm. screw at position “A”.
The modification can also be made to an installed main PC Board to improve the thermal contact.
- Remove the mounting screw “A” (M4 x 10 mm.) and drill a hole through the heatsink and
the chassis.
- Mount the heatsink firmly to the chassis with the M4 x 50 mm. screw at position “A”.
Please add this service info to appendix C of your service 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: NA
Carried out from series: NA.
New components: Screw M4 x 50 mm. Qty. 1
Washer M4 Qty. 2
Spring washer M4 Qty. 1
Deleted components: NA
Our reference: WV 0167.113-70/02
No: SI 670 - 02 Oct. 1998Page 1 of 2
Figure 1 Detail of the main PC Board
No: SI 670 - 02 Oct. 1998Page 2 of 2
Subsidiary of Henley Healthcare Inc.
Enraf-Nonius B.V.
P.O. Box 810
2600 AV Delft
The Netherlands
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