Trio™ Service Manual 0070-10-0591-01 i
Table of Contents
Foreword.......................................................................................................................................................iii
Warnings, Precautions And Notes .................................................................................................................... iii
Warning........................................................................................................................................................iii
Theory of Operation ......................................................................................................... 1 - 1
Introduction.................................................................................................................................................... 1 - 1
Hardware Overview ....................................................................................................................................... 1 - 3
Power Supply Board (Lead Acid Battery) .................................................................................................... 1 - 3
Power Supply Board (Lithium Ion Battery).................................................................................................... 1 - 5
CPU Board (Main Control Board) .............................................................................................................. 1 - 6
Keypad Board......................................................................................................................................... 1 - 9
Keypad Board......................................................................................................................................... 1 - 10
Keypad Board......................................................................................................................................... 1 - 11
TR60-C Recorder ..................................................................................................................................... 1 - 12
Serial Interface Converter Board ....................................................................................................................... 1 - 14
Parameter Circuit Descriptions .......................................................................................................................... 1 - 15
ECG ...................................................................................................................................................... 1 - 15
Respiration ............................................................................................................................................. 1 - 15
NIBP ...................................................................................................................................................... 1 - 16
SpO
2
..................................................................................................................................................... 1 - 16
Temperature............................................................................................................................................ 1 - 17
IBP (optional) .......................................................................................................................................... 1 - 17
Calibration/Maintenance .................................................................................................. 2 - 1
Calibration Introduction ................................................................................................................................... 2 - 1
Warnings and Guidelines................................................................................................................................ 2 - 1
Test Equipment and Special Tools Required........................................................................................................ 2 - 1
Calibration and System Checks ........................................................................................................................ 2 - 2
Device Appearance and Installation Checks................................................................................................ 2 - 2
Maintenance Menu.................................................................................................................................. 2 - 2
Safety Tests............................................................................................................................................. 2 - 11
Testing Each Parameter.................................................................................................................................... 2 - 12
ECG and RESP........................................................................................................................................ 2 - 12
NIBP ...................................................................................................................................................... 2 - 12
SpO
2
..................................................................................................................................................... 2 - 13
TEMP ..................................................................................................................................................... 2 - 14
IBP......................................................................................................................................................... 2 - 14
Parts ................................................................................................................................ 3 - 1
Exploded Views of the Trio Monitor................................................................................................................... 3 - 1
Parts Listing .................................................................................................................................................... 3 - 12
Repair Information ........................................................................................................... 4 - 1
Introduction.................................................................................................................................................... 4 - 1
Single Temp Cable Assembly ........................................................................................................................... 4 - 10
ECG Cable Assembly...................................................................................................................................... 4 - 10
Troubleshooting .............................................................................................................................................. 4 - 11
Module-level Troubleshooting .................................................................................................................... 4 - 11
Disassembly Instructions................................................................................................................................... 4 - 14
Tools Needed ......................................................................................................................................... 4 - 14
Removal of the Front Housing.................................................................................................................... 4 - 14
Removal of Display .................................................................................................................................. 4 - 14
Removal of Thermal Printhead Recorder...................................................................................................... 4 - 14
Removal of PCB Chassis Assembly............................................................................................................. 4 - 15
Removal of Display Mounting Plate............................................................................................................ 4 - 15
Replacement of 3V Lithium Cell Battery....................................................................................................... 4 - 15
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