Welch Allyn Diatek 600 Technical Manual Download

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Diatek

Model 600 Thermometer

Technical Manual

Thermo Menu

Operation Manual

Summary of Contents for Diatek 600

Page 1: ...Diatek Model 600 Thermometer Technical Manual Thermo Menu Operation Manual...

Page 2: ...reserved No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopy without prior consent in writing from Diatek Printed in the U...

Page 3: ...st 6 Battery Life 6 Shelf Life 6 Temperature Taking Without Backlight 6 Temperature Taking With Backlight 6 C F Mode Switch 6 Normal Monitor Mode Switch 6 MODEL 600 THEORY OF OPERATION 7 Technical Ove...

Page 4: ...alibration Check 21 Microprocessor Self Check 22 Cleaning and Sterilization 22 Battery Replacement 22 Calibration Key Procedure 22 Test Procedure 23 M9600 Procedure 24 MODEL 600 TROUBLESHOOTING 24 PAR...

Page 5: ...uct and the item should be immediately returned securely packaged and postage prepaid to Diatek Loss or damage in shipment shall be at purchaser s risk Diatek will not be responsible for loss associat...

Page 6: ...horn beeping twice every 10 seconds and the up arrow blinking Five minutes of this error condition causes the thermometer to turn off Returning the probe to its holder and then removing it will restar...

Page 7: ...ess will abort at that time The low battery error displays a flashing symbol with a double horn beep sounding every 10 seconds The unit will shut off automatically after five minutes of error indicati...

Page 8: ...number of temperatures that can be taken should be about 2 000 hours 30 temperatures hour 60 000 temperatures Temperature Taking With Backlight The backlight uses about 20 times more power than the re...

Page 9: ...n and calibration resistor selection To extend battery life the power to both the analog lC U1 and the LCD reference are turned off and the microprocessor is put to sleep when possible Power to the th...

Page 10: ...or approximately 0 5 seconds with the appropriate FET switch selected sometime within that period U2 64 is then set low and the time from this transition until the A D output U1 2 goes high is measure...

Page 11: ...n error is displayed Broken Probe Test Each probe resistance sample that is taken is checked to see that it lies between 2000 and 60 000 ohms A resistance value outside of these limits will cause a br...

Page 12: ...ich in turn causes the low battery indication to be displayed Pulse Timer Operation Pressing the pulse timer switch activates the microprocessor interrupt to U2 63 starting the pulse timer display The...

Page 13: ...Technical Manual Model 600 11 Figure 1 Block Diagram...

Page 14: ...Diatek A Welch Allyn Company 12 Model 600 Figure 2 Schematic...

Page 15: ...Technical Manual Model 600 13 Figure 3 Schematic earlier serial numbers...

Page 16: ...Diatek A Welch Allyn Company 14 Model 600 Figure 4 Printed Circuit Board Component Layout...

Page 17: ...Technical Manual Model 600 15 Figure 5 Final Assembly...

Page 18: ...Diatek A Welch Allyn Company 16 Model 600...

Page 19: ...Technical Manual Model 600 17 Figure 6 Operating Controls and Components...

Page 20: ...able batteries three type AA cells up to 1000 hours of continuous use Dimensions length 6 25 inches 159mm width 3 7 inches 94mm height 2 4 inches 61mm weight 10 5 ounces 298 grams case material ABS Cy...

Page 21: ...he normal monitor slide switch to the normal position Withdraw the probe from the storage channel and observe the 6 second display test ensuring that no display segments are missing The unit will then...

Page 22: ...the thermometer causing the 6 second display test to appear Verify that no display symbols are missing and then attach the probe to the patient as required Once the temperature readout has been allowe...

Page 23: ...ery condition exists will cause a predict temperature in progress to be terminated Probe Position Error The probe position error is an indicator that appears whenever there is a rapid drop in temperat...

Page 24: ...erilization Battery Replacement Remove the battery access screw by turning it counter clockwise with a Phillips screwdriver Slide the battery access cover away from the battery access label to expose...

Page 25: ...led activate the F C backlight and timer switches and observe that the proper response is obtained Insert and remove a probe to test the probe switch action Placing the normal monitor switch in the no...

Page 26: ...use of the M9600 refer to the Troubleshooting section in the M9600 Operation Manual MODEL 600 TROUBLESHOOTING GENERAL SYMPTOM PROBLEM TREATMENT No Display Temp or Timer or low Battery Indication Batt...

Page 27: ...volts Off Cal Check Q3 Q4 Q5 and Q6 as above If the above tests fail to show the failed component replace C2 then U1 Missing or Faded LCD Segments 1 Loose LCD frame 2 Dirt or oil under zebra strip 3 E...

Page 28: ...S 5760 1 8W 1 RN50 40265 761 R5 RES 4990 1 8W 1 RN50 40264 9910 R6 RES 200K 1 4W 5 40040 4730 R7 RES 33K 1 4W 5 40040 3340 R8 R9 R12 RES 100K 1 4W 5 40014 000 R10 RES 4 3 OHM 1 4W 5 40040 430 R11 RES...

Page 29: ...FET PWR VN10KM 50021 0000 R1 R2 RES 18K 1 4W 5 40040 1840 R3 RES 6810 1 8W 1 RN50 40266 811 R4 RES 5760 1 8W 1 RN50 40265 761 R5 RES 4990 1 8W 1 RN50 40264 9910 R6 RES 200K 1 4W 5 40040 2050 R7 R8 R9...

Page 30: ...4 Q1 Q2 Q7 TRANSISTOR 2N2222 50004 0000 4 Q8 TRANSISTOR 2N4124 50014 0000 2 Q3 Q4 Q5 Q6 FET PWR VN10KM 50021 0000 2 T1 TRANSFORMER 52005 000 1 U2 IC UPD75036 G 12 MASK ROM 54123 000 2 U1 IC MOG 3242...

Page 31: ...nce performed every 18 months 1 Visually inspect the thermometer and probe for physical damage which might cause future product failure 2 Clean unit if necessary and replace batteries according to the...

Page 32: ...7420 Carroll Road San Diego California 92121 800 854 2904 619 621 6600 FAX 619 621 6610 70017 000H...

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