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Summary of Contents for Phyaction GUIDANCE-E
- Page 1 SERVICE INFORMATION PHYACTION GUIDANCE-E/GUIDANCE-C Version 0.5 May 2002 Phyaction Guidance E/C – service manual version 0.5 Page 1...
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Page 2: Table Of Contents
Output circuits........................19 Console circuits........................20 Ultrasound circuits (only for Guidance C) ................21 5.4.1 ..........................21 5.4.2 Voltage controller.......................21 5.4.3 Power stage .........................21 5.4.4 Impedance matching ....................22 RS 232 communication......................22 Phyaction Guidance E/C – service manual version 0.5 Page 2... - Page 3 Ultrasound task (3xx) NOT FOR GUIDANCE E ............47 12.3.5 Laser task (4xx) NOT FOR GUIDANCE E/C............47 12.3.6 User interface task (5xx).....................47 12.3.7 System task (6xx) .......................48 12.3.8 Processor test (1000)....................49 Trouble shooting vacuum circuits................. 51 Phyaction Guidance E/C – service manual version 0.5 Page 3...
- Page 4 Main PCB...........................54 14.3 Front cover.........................54 14.4 Output filter PCB.......................55 14.5 Vacuum PCB........................55 14.6 Keyboard PCB........................56 14.7 Metal shield........................56 14.8 Display..........................57 SPARE PARTS ......................58 SCHEMATICS......................61 Phyaction Guidance E/C – service manual version 0.5 Page 4...
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Page 5: General Information
2. GENERAL INFORMATION 2.1 Introduction. The Phyaction Guidance E/C is an advanced 2 channel appliance for electrotherapy, offering a wide range of current types which can be applied by means of normal electrodes or via the integrated vacuum unit. Compared with the Guidance E, the Guidance C has an additional integrated ultrasound module. -
Page 6: Explosion Safety
2.3.4 Use of the appliance. The equipment and accessories should only be used by authorised personnel and in accordance with all instructions included in these operating instructions. The Phyaction Guidance is only to be used for electrotherapy. 2.3.5 Product documentation. -
Page 7: Installation
• an ambient temperature range of -20ºC to +60ºC; • a relative humidity range of 10% to 100%, including condensation; • an atmospheric pressure range of 500hPa to 1060 HPa. Phyaction Guidance E/C – service manual version 0.5 Page 7... -
Page 8: Description Of Controls And Connectors
Connector to connect to the potential compensating mains Drain tube of the water reservoir Vent hole RS 232 connector for service purposes Mains switch Patient cable Plate electrodes Vacuum tubes Phyaction Guidance E/C – service manual version 0.5 Page 8... -
Page 9: Display Indication Overview
Objectives / indication list) Option line, with the blue buttons Arrow to the right under the display the desired option indicates that you can can be selected scroll with the button > Phyaction Guidance E/C – service manual version 0.5 Page 9... -
Page 10: Technical Specifications
Duty Cycle: 10%, 20%, 30%, 40%, 50%, 100% 3.4 Different symbols. 3.4.1 Symbols on the front of the Guidance E/C Therapy menu Guidance menu Memory System settings Help Go back Stop Pause Amplitude Phyaction Guidance E/C – service manual version 0.5 Page 10... -
Page 11: Symbols On The Right Side Of The Guidance E/C
Channel B Alternating channels Channel A+B Treatment time Plate electrode Vacuum electrode 3.4.6 Symbols current groups TENS currents Unidirectional currents NMES currents Diadynamic currents S-D curves, Rheobase / Chronaxie / AQ Phyaction Guidance E/C – service manual version 0.5 Page 11... -
Page 12: Symbols Currents
Polarity for vacuum electrodes Alternating polarity for vacuum electrodes Vacuum rhythm: continuous 1,5 s high, 1,5 s low 1,5 s high, 3 s low 1,5 s high, 4,5 s low Phyaction Guidance E/C – service manual version 0.5 Page 12... -
Page 13: Unit Self Test
3. Safety software test. 4. Electrotherapy DAC test Channel A 5. Electrotherapy DAC test Channel B 6. Electrotherapy relay test. 7. Electrotherapy safety comparator test. 8. AC/DC relay test. 9. CC/CV mode test. Phyaction Guidance E/C – service manual version 0.5 Page 13... -
Page 14: Circuit Description
The main PCB of the Phyaction Guidance E/C is exactly the same as the main PCB of the Gymna Combi 500/Duo500. Some installed components are not used in the Guidance/C but only in the Combi 500. -
Page 15: Micro-Controller Circuits
- Temperature > 55°C: switch on fan - Temperature < 45°C: switch off fan - Temperature > 98°C: error and switch off all amplifier circuits. Phyaction Guidance E/C – service manual version 0.5 Page 15... -
Page 16: Safety Control Circuits
U52: reading OTP values (not used in Phyaction Guidance E/C). Microcontroller guard component (U 64): Amplitude generation circuits: U14 produces a DC signal in relation to the demanded intensity. The output signal of U14 is the reference value for U24 that produces the amplitude modulated (AM) signals for the LF currents (MF, DF, CP, LP, IF). -
Page 17: Signal Processing Circuits
Configuration 1: mode CC, pulsed (tens, rectangle, triangle, diadynamic). Configuration 2: mode CC, continuous (interference, direct continuous). Configuration 3: mode CV, pulsed (tens, rectangle, triangle, diadynamic). Configuration 4: mode CV, continuous (interference, direct continuous). Phyaction Guidance E/C – service manual version 0.5 Page 17... - Page 18 The amplitude of POW_A is a measure for the output current and the current is fed back via R3 to the input of U9, in order to keep the current continuous. Phyaction Guidance E/C – service manual version 0.5 Page 18...
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Page 19: Current Measuring Circuits
At the output the current is measured by the current measurement circuit. The current measuring circuit translates it into a DC level that serves as an input for the Safety control circuit and for contact detection. 5.2 Output circuits. Phyaction Guidance E/C – service manual version 0.5 Page 19... -
Page 20: Console Circuits
A rubber keypad that makes the contact via a membrane keyboard on the console PCB. The matrix of the keys is controlled by the micro controller. • Two encoders directly controlled by the micro controller • The converter for the backlight controller Phyaction Guidance E/C – service manual version 0.5 Page 20... -
Page 21: Ultrasound Circuits (Only For Guidance C)
The MOSFETs are driven by buffers (U506) that also take care of a small delay in driving the MOSFETs, to prevent them of being active simultaneously. If either one of the MOSFETs has become defective, both of them should be replaced. Phyaction Guidance E/C – service manual version 0.5 Page 21... -
Page 22: Impedance Matching
Switching on/off the vacuum can be done by means of a parameter selection on the therapy menu. The vacuum pressure for both the channels must be set by means of the vacuum knob on the front side of the unit. Phyaction Guidance E/C – service manual version 0.5 Page 22... -
Page 23: Vacuum Circuits
If the microprocessor detects a full reservoir, the following message on the screen appears ‘water reservoir full’. It is still possible to continue the treatment. If the message appears before the treatment is started, it is impossible to switch on the vacuum unit. Phyaction Guidance E/C – service manual version 0.5 Page 23... -
Page 24: Ultrasound Heads (Only Guidance C)
Green flashing indicates : just connect the US head, device is reading the OTP data Green continuous light indicates : the treatment head is selected Repairing of Ultrasound heads: technical bulletin. Phyaction Guidance E/C – service manual version 0.5 Page 24... -
Page 25: Yearly Checkup And Safety Test
7.4 Different current wave forms for checkup. The following figures are the references for the different current wave forms as explained in the checkup document. Figure 1 Figure 2 Phyaction Guidance E/C – service manual version 0.5 Page 25... - Page 26 Fig 3 Fig 4 Phyaction Guidance E/C – service manual version 0.5 Page 26...
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Page 27: General Functional Inspection
The polarity changes over to negative when set to “RED-“ for both channels The warning message “bad connection to patient” appears when the load is disconnected After this warning appeared the intensity is decreased to zero Phyaction Guidance E/C – service manual version 0.5 Page 27... -
Page 28: Electrical Safety Test According To Vde 0751
7.4.5 Result of safety inspection ∗ The Guidance E/C with serial number ........has passed / failed Place: Safety Inspector For the User ........Name: Name: Date: Sign: Sign: ........Phyaction Guidance E/C – service manual version 0.5 Page 28... -
Page 29: System Settings Menu
There are also four different languages available in the South European version: English Italian Spanish Portuguese 8.3 Sound settings. Pressing key 3 enters the sound settings menu, were different sound settings can be done. Phyaction Guidance E/C – service manual version 0.5 Page 29... -
Page 30: Change Pre Settings
In order to restore all the Uniphy presets (for every fixed therapy), press key 3. 8.5 Stand by time. The standby time can be changed to 20 min, 15 min, 10 min, 5 min or can be switched off. 8.6 Plate electrode test. Phyaction Guidance E/C – service manual version 0.5 Page 30... - Page 31 The vacuum electrodes have a metal electrode and will not degrade in function of time. Therefore the Phyaction Guidance E/C has no vacuum electrode test. However it is recommended to check and clean the surface of the vacuum electrodes twice a year.
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Page 32: Cable Test
Turn up the intensity to 10 V and move the plugs and cable to detect a bad contact. The unit will now display whether the cable is ‘ok ’ or ‘bad’. Phyaction Guidance E/C – service manual version 0.5 Page 32... -
Page 33: Electrode Cable Test
Turn up the intensity to 10 V and move with the plugs and cable to detect a bad contact. The unit will now display whether the cable is ‘ok’ or ‘bad’. Phyaction Guidance E/C – service manual version 0.5 Page 33... -
Page 34: System Information
This is an important screen for the service department. In case of a problem, ask the customer to read the parameters of this page. It might help to detect the cause of a problem. Phyaction Guidance E/C – service manual version 0.5 Page 34... -
Page 35: First Screen
When this parameter is switched ON, the selected current on channel A can easily be copied to channel B. Just press the B-key and the same parameters will be copied to the B channel. Phyaction Guidance E/C – service manual version 0.5 Page 35... -
Page 36: Service Menus
9. SERVICE MENUS. The Guidance-E/C has a built in service menu which allows to check different important service issues. To enter the service menu, first go to the ‘ system settings’ menu ( and then press the ‘Pause’ key for about 5 seconds. The following screen will appear. -
Page 37: Error History
In case electrodes or cables are replaced, it is recommended to put the particular working-hours indication to zero. Select the accessory that needs to be reset and confirm with the same key to reset to zero. Phyaction Guidance E/C – service manual version 0.5 Page 37... -
Page 38: Reset All User Settings
All these settings are stored in the serial eeproms on the main PCB. If a main PCB needs to be replaced, always perform a total reset. 9.6 Special service menu. In the service menu, press the sixth blue key. A special service menu appears. Phyaction Guidance E/C – service manual version 0.5 Page 38... - Page 39 See chapter 8 for more information about the hardware codes. It also gives an overview of the total working hours of each module. The total working hours cannot be reset ! Phyaction Guidance E/C – service manual version 0.5 Page 39...
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Page 40: Upgrading System Software
10. UPGRADING SYSTEM SOFTWARE 10.1 General information. The software of the Phyaction Guidance can be updated without opening the enclosure of the device. There is a flash memory on the main PCB that can be reprogrammed using the serial RS232 interface on the left side of the unit. -
Page 41: Troubleshooting
Try the other batch file (Flash1.bat or Flash2.bat) to see if this solves the problem. In case of any error (most of the time this will be error 601), switch off the Guidance and repeat the download procedure. Phyaction Guidance E/C – service manual version 0.5 Page 41... -
Page 42: Hardware Labels
The hardware code also has to modified in the serial eeprom. See chapter 6.6 for more details. The user can easily see the hardware code of each PCB in the system settings menu (see chapter 5.8). Phyaction Guidance E/C – service manual version 0.5 Page 42... -
Page 43: Trouble Shooting
In order to communicate the problem the most efficient way, a special error registration document must be used. Fill out the service form as complete as possible. Our service department will evaluate the call and propose further steps in order to solve the problem. Phyaction Guidance E/C – service manual version 0.5 Page 43... -
Page 44: Interpreting Error Codes
Error value 1: the first error value which defines the individual test in the module which actually generated the error Error value 1: an additional value which may give more information about the detected error. Error value 2: (not used). Phyaction Guidance E/C – service manual version 0.5 Page 44... -
Page 45: List Of Error Codes
Laser I/O ERR_LFD Low frequency DAC (rect., tria., diadynamic) ERR_LSF Laser frequency ERR_PEC Peripheral event control, C167 ERR_PPI 82C55 I/O chip support ERR_PWM Pulse-width modulation support, C167 ERR_REL Relay driver Phyaction Guidance E/C – service manual version 0.5 Page 45... -
Page 46: Operating System (1Xx)
Electrotherapy task B state control ERR_E_PARA Parameter handling electrotherapy output A ERR_E_PARB Parameter handling electrotherapy output B ERR_E_TASK Main module for electrotherapy task A ERR_E_TASK Main module for electrotherapy task B Phyaction Guidance E/C – service manual version 0.5 Page 46... -
Page 47: Ultrasound Task (3Xx) Not For Guidance E
Event handler, parameters ERR_EVHT Event handler, therapy ERR_EVIN Event input ERR_FK Function key assignment ERR_ILST Indication list support ERR_LAS User interface with LAS ask ERR_MEM Memory (E2PROM) support ERR_MENU Menu control Phyaction Guidance E/C – service manual version 0.5 Page 47... -
Page 48: System Task (6Xx)
ET_Error line sensed high by Microchip only The Microchip cannot switch off the safety relay The Siemens controller cannot switch off the safety relay The combination relay doesn’t get activated The combination relay is permanently activated Phyaction Guidance E/C – service manual version 0.5 Page 48... -
Page 49: Processor Test (1000)
Channel B doesn’t operate in the CV mode Channel A AC/DC relay stuck to DC Channel B AC/DC relay stuck to DC ERR_SLAS Laser therapy self test 12.3.8 Processor test (1000) Error name Description ERR_CPU 1000 Phyaction Guidance E/C – service manual version 0.5 Page 49... - Page 50 Value 2 Value 3 number Power supplies Measuring point: result Measuring point: result TP1 (+18V): TP72 (-15V): TP11 (+15V): TP3 (-18V): TP2 (+12V): TP73(-22V): TP4 (-5V): TP51(+5V): Error description and comments Phyaction Guidance E/C – service manual version 0.5 Page 50...
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Page 51: Trouble Shooting Vacuum Circuits
Use demineralised water (water without lime). Disconnect the vacuum tubes once a week. The water tank of the Guidance E/C is smaller than the water tank of the Phyaction 787 ! Phyaction Guidance E/C – service manual version 0.5 Page 51... -
Page 52: Tube Connection Diagram
13.3 Tube connection diagram. Phyaction Guidance E/C – service manual version 0.5 Page 52... -
Page 53: Replacement Procedures
Remove 6 screws at both sides of the cover. Caution: Disconnect the flatwire between the cover and the main PCB. Installation: The installation is in reverse order of the removal procedure. Phyaction Guidance E/C – service manual version 0.5 Page 53... -
Page 54: Main Pcb
Lift the connectors out. Installation: The installation is in reverse order of the removal procedure. The tube of the vacuum sensor must be installed on the top of the sensor. Phyaction Guidance E/C – service manual version 0.5 Page 54... -
Page 55: Output Filter Pcb
Remove the 4 M10 nuts that fix the vacuum output connectors. Remove the 2 screws that fix the vacuum sensor onto the chassis. Remove the 4 screws that fix the Vacuum PCB to the front chassis. Phyaction Guidance E/C – service manual version 0.5 Page 55... -
Page 56: Keyboard Pcb
Do not damage the cables of the rotary’s. If necessary cut off a little bit of the glue before removing the metal plate. Installation: The installation is in reverse order of the removal procedure. Do not over tighten the screws! Phyaction Guidance E/C – service manual version 0.5 Page 56... -
Page 57: Display
Watch out: do not scratch the plexi front cover. If the black paint on the inside of the plexi front cover is scratched, use a black marker to correct it. Phyaction Guidance E/C – service manual version 0.5 Page 57... -
Page 58: Spare Parts
Mains tranformer, ringcore 500/800 34213 LED 3mm, yellow 34214 LED 3mm, green 35402 Vacuum pressure sensor Motorola MPX2050DP 38103 Pump 800 serie 38104 Fan 12V incl. connector 38105 Valve, 0.65mm complete Phyaction Guidance E/C – service manual version 0.5 Page 58... - Page 59 38404 LCD, assembly CCT, blue (800) 39609 Rubber foot complete Phyaction Guidance E/C – service manual version 0.5 Page 59...
- Page 60 15.2 US head 4 cm Phyaction Guidance C Unit type : US-HEAD 1&3 MHz - 4 cm² PHYACTION Guidance C (892) Reference number : 116216 Version : Ordering number Description S code 114833 Repair tool for UNIPHY US heads 130020...
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Page 61: Schematics
8. Amplitude generation circuits CH B. 9. Output circuits CHA. 10. Output circuits CHB. 11. Current measuring circuits. 12. RS232 and EEPROM circuits. 13. Vacuum control circuits. 14. Ultrasound circuits Phyaction Guidance E/C – service manual version 0.5 Page 61... - Page 62 Phyaction Guidance E/C – service manual version 0.5 Page 62...
- Page 63 Main PCB 1. Power supply and amplifier transistors. 2. Output transformers. 3. Current measuring circuits. 4. Laser circuit (not in use for Guidance E/C). 5. Microcontroller circuits. Phyaction Guidance E/C – service manual version 0.5 Page 63...
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