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Service Manual Ponygraphic

Chapter 4

Maintenance

4.3

The part numbers are as given in the parts list section (Appendix A) of this manual.

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Summary of Contents for Pony graphic

Page 1: ...avona di Albano RM 00040 Italy Tel 39 06 931 5492 Fax 39 06 931 4580 email info cosmed it North American Office COSMED USA Inc 2758 North Paulina Street Chicago IL 60614 USA Phone 1 773 528 8113 Fax 1...

Page 2: ...e Page Maker 6 5 Microsoft Word Corel Draw and CAD programs COSMED Software can be installed only in one device Word and Excel are registered trade marks of Microsoft Corporation DBIII is a registered...

Page 3: ...uthorized COSMED service person Keep the equipment away from heat flames sparks flammable liquid mixtures and explosive gases For using this equipment along with other medical ones contact COSMED The...

Page 4: ...ughout this manual Read through each step in every procedure before beginning the repair Always use the proper tools test equipment and the most recent revision of this service manual Warning If you d...

Page 5: ...rt Description 3 2 3 1 Pony graphic Unit 3 3 3 2 Mother Board C01350 01 15 3 3 3 2 1 Function 3 3 3 2 2 Description 3 3 3 2 3 Adjustments checks 3 4 3 2 4 Assembly Drawing 3 4 3 2 5 Warnings Indicatio...

Page 6: ...Careless mistakes during the use of the system 5 3 5 1 1 Warning 5 3 5 1 2 Tools 5 3 5 1 3 The system doesn t operate when switched on 5 3 5 1 4 The printer doesn t work properly 5 4 5 1 5 The Pony g...

Page 7: ...oard C01350 01 15 7 2 7 1 2 Display C01344 01 30 7 2 7 1 3 Key board PCB C01352 01 15 7 2 7 1 4 Printer C00551 01 08 7 2 7 1 5 Optoelectronic Reader C00095 01 05 7 2 7 1 6 Optoelectronic PCB C00609 01...

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Page 9: ...manual 1 2 1 2 Reference Documents 1 2 1 3 Customer Communication 1 2 1 4 Technical Specifications 1 3 1 4 1 Pony graphic Unit 1 3 1 4 2 Flow meter 1 3 1 4 3 Power supply 1 3 1 4 4 Battery charger 1 3...

Page 10: ...he device and the theory of operation of the modules This chapter is useful to identify cause for problems and to operate properly Maintenance Provides general specifications for maintenance and calib...

Page 11: ...phic Unit or transmitted to PC Here following a list of the main features available Test data management Viewing data in table and graphic form Spirometry FVC VC IVC MVV Adding parameters and predicte...

Page 12: ...Directive 89 336 EN 60601 1 2 EN 55011 Class B emission IEC 1000 4 2 immunity ESD 4KV CD 8KV AD IEC 1000 4 3 immunity EM 3 V m IEC 1000 4 4 immunity Bursts 1 KV QUALITY ASSURANCE UNI ISO EN 9001 Reg 3...

Page 13: ...2 Functional description 2 2 2 1 General Overview 2 2 2 1 1 Pony graphic Unit 2 2 2 1 2 Flowmeter 2 2 2 1 3 Battery Charger AC DC Adapter 2 2 2 1 4 RS232 cable 2 2...

Page 14: ...e air passing through the helical conveyors makes a spiral motion which causes the rotation of the turbine rotor The rolling blade interrupts the infrared light sources beamed by the diodes of the opt...

Page 15: ...Adjustments Checks 3 5 3 4 4 Assembly Drawing 3 6 3 4 5 Warnings Indications in Event of Failure 3 6 3 5 Printer C01386 01 08 3 6 3 5 1 Function 3 6 3 5 2 Description 3 6 3 5 3 Adjustment checks 3 6 3...

Page 16: ...om that assembly It provides the complete reference for the service personnel for diagnosis The section consists of the following Pony graphic Unit 1 Mother board Assembly C01350 01 15 2 Display Assem...

Page 17: ...Board layout is enclosed in the Appendix 3 2 2 Description 1 Micro controller CPU U1 The micro controller U1 CDP6805E3 used in the Pony graphic is responsible for Data management through its address b...

Page 18: ...d Q10 the supply voltage is about 90 VAC RMS The battery voltage directly powers the Optoelectronic Transducer and the Printer The IC U10 TEA1100 performs the battery charging management The NiCD batt...

Page 19: ...Item VR54 Display Display contrast It is automatically compensated for temperature variations 2 Test Points Pin 3 of P1 Digital Logic supply VCC 5V Pin 5 of P1 LCD supply VEE 18V Pin 4 of P1 Contrast...

Page 20: ...dots line is 144 3 5 2 Description The following schematic shows the control circuitry for the printer The Printer motor is activated and stopped by the two signals M_ON Motor On and M_OFF Motor Off T...

Page 21: ...ectronic transducer contains 2 couples of Infrared Emitter Receiver diodes to detect the position of the rotor The air passing through the helical conveyors takes a spiral motion which causes the rota...

Page 22: ...stment checks There are no adjustments to be performed on this assembly 3 6 4 Assembly Drawing Refer to Section Schematics Layouts 3 6 5 Warnings Indications in Event of Failure Flow and Volume errors...

Page 23: ...Service Manual Ponygraphic Chapter 3 Part Description 3 9 3 7 5 Warnings Indications in Event of Failure Power failure Battery charging failure...

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Page 25: ...gram 4 2 4 2 Replacement Schedule 4 2 4 3 Preventive Maintenance 4 4 4 3 1 Necessary tools 4 4 4 3 2 Charger cable A381 003 202 4 4 4 3 3 RS232 serial cable C00032 01 12 4 4 4 3 4 Turbine C00292 01 05...

Page 26: ...m Handle all circuit boards replacements and defectives by their non conductive edges and use anti static containers when transporting them Before servicing the equipment ground yourself and the tool...

Page 27: ...Service Manual Ponygraphic Chapter 4 Maintenance 4 3 The part numbers are as given in the parts list section Appendix A of this manual...

Page 28: ...uit on it 4 3 3 RS232 serial cable C00032 01 12 Check the integrity of the cable especially on the plugs at the ends Check electrically the cable by using a ohm meter for continuity check 4 3 4 Turbin...

Page 29: ...1 4 The printer doesn t work properly 5 4 5 1 5 The Pony graphic is unable to measure properly flow and volume 5 4 5 1 6 The Optoelectronic transducer doesn t work 5 4 5 1 7 The batteries cannot be r...

Page 30: ...n switched ON o The Printer does not work properly o The Pony graphic is unable to measure properly flow and volume o The optoelectronic transducer does not work o The batteries cannot be recharged or...

Page 31: ...Besides the tools normally used by a technician it is necessary to have A Voltmeter to measure voltage A screwdriver with a thin point to adjust the trimmer 5 1 3 The system doesn t operate when switc...

Page 32: ...any test and blowing into the turbine flowmeter verify if both signals on pin 2 and pin 3 of J5 are similar to the following figure otherwise refer to the The Optoelectronic transducer doesn t work s...

Page 33: ...llowing components U11 U1 U9 5 1 9 The keyboard doesn t work 1 Disassemble the Pony graphic Unit and verify if the keyboard PCB is properly connected to the mother board 2 Replace U1 5 1 10 The LCD Di...

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Page 35: ...djustment 6 3 6 2 2 Flow measurement Check and Calibration 6 4 6 3 Auto Test Mode 6 4 6 3 1 Running the Auto test program 6 4 6 3 2 Operating the interactive Diagnosis Program 6 5 6 4 Connecting to Ex...

Page 36: ...ove the 2 screws and open the cases to access the internal parts as shown in the following figure Optoelectronic Transducer Board Screw 2 Pony graphic unit Remove the 4 rubber pins from the bottom of...

Page 37: ...tion to fix the thermistor on the older battery as found before the replacement 6 Solder the connections of the batteries on the PCB 7 Reassemble the Pony graphic unit Parts required For the mentioned...

Page 38: ...ntual malfunctions of the main components The program can be activated by switching on the Pony graphic Unit while a special adapter is connected to the RS232 port The electrical diagram of the Auto t...

Page 39: ...re with the backlight on 6 4 Connecting to External Printer 6 4 1 External printer features and connections The Pony Graphic version 3 0 and higher allows you to print the test report through the smal...

Page 40: ...connector which is not compatible with the adapter which is supplied with the equipment Pony Graphic DB9F 1 2 3 4 5 Tx Rx DSR GND Printer Serial to parallel shield Tx Rx DTR shield 6 4 4 Configuration...

Page 41: ...the printing process press CANCEL Note the external printer can only be used to print the test report the other print out list test and possible messages delete archive calibration turbine can be prin...

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Page 43: ...Display C01344 01 30 7 2 7 1 3 Key board PCB C01352 01 15 7 2 7 1 4 Printer C00551 01 08 7 2 7 1 5 Optoelectronic Reader C00095 01 05 7 2 7 1 6 Optoelectronic PCB C00609 01 15 7 2 7 1 7 Adapter Plug...

Page 44: ...embling the unit please take care that all the transducers and cables are disconnected from the unit Remove the base cover by unscrewing the four screws at the base Schematic Layouts 7 1 1 Motherboard...

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Page 46: ...A8 36 A9 37 VCC 38 A10 39 A11 40 A12 41 RD 42 DS 43 F 2B 60 D1 59 M STOP 58 A13 57 A14 56 VCC 55 GND 54 CEEPR 53 FT2 52 POR 51 DS 50 GND 49 VOLUME 48 FT1 47 RNA14 46 CEEXP 45 A15 44 F H 9 F 3BX 8 F 1B...

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Page 54: ...8 Appendix A Replaceable Part List 8 2...

Page 55: ...external printers C00095 01 05 Optoelectronic transducer Pony graphic C00213 01 12 Cable plug x Optoelectronic transducer Pony graphic C00121 XX 31 Eprom Pony graphic XX 01 IT 02 EN 03 FR 04 ES 05 DE...

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