Reichert AT550 Service Manual

13900-103 Rev. A Page 3
List of Figures
Figure # Description Page#
OP-1 Positioning System Block Diagram ................................................................ 7
OP-2 Applanation System Block Diagram ............................................................... 9
TT-1 LCD P/N 13920-947 or 13960-945 .................................................................... 15
TT-2 LCD P/N 13960-966 ...........................................................................................15
TT-3 Power Input / Output Circuit Board Layout .................................................18
TT-4 Power Input / Output Block Diagram ...........................................................19
TT-5 Main Control Circuit Board Layout ............................................................... 20
TT-6 Main Control Block Diagram.......................................................................... 21
TT-7 Motor Control Circuit Board Layout ............................................................. 22
TT-8 Motor Control Block Diagram ........................................................................ 23
CT-1 Pressure -vs- Time Waveform ....................................................................... 25
CT-2 Solenoid Current Adjustment Potentiometer ..............................................25
CT-3 Fixation Spot ...................................................................................................... 25
CT-4 Fixation Spot Shadow ...................................................................................... 25
CT-5 Glass Eye Fixture Installed ............................................................................. 26
CT-6 Alignment Target & Squares .......................................................................... 26
CT-7 Tonometer Head Parts Identification ........................................................... 26
CT-8 Rubber Eye Fixture ........................................................................................... 27
CT-9 Selection of Applanation Graph .................................................................... 27
CT-10 Revision Location ............................................................................................. 28
CT-11 Applanation Manual Potentiometer Location ............................................ 28
CT-12 Rubber Eye Setup ............................................................................................. 29
CT-13 Rubber Eye Calibration Screen ..................................................................... 29
CL-1 Rear Mask Windows ....................................................................................... 31
DS-1 Headrest Removal ............................................................................................ 32
DS-2 Top Cover Screws Removal ........................................................................... 31
DS-3 Lower Side Cover Screws .............................................................................. 31
DS-4 Upper Side Cover Screws .............................................................................. 31
R1-1 Nosepiece Cover Removal .............................................................................34
R2-1 Latch Fingers ..................................................................................................... 34
R2-2 Latch Removal .................................................................................................. 34
R3-1 Printer Parts ID ................................................................................................. 35
R3-2 Printer Removal Step 1 .................................................................................... 35
R3-3 Printer Removal Step 2 .................................................................................... 35
R3-4 Printer Removal Step 3 .................................................................................... 35
R4-1 Power Board Connector Locations .............................................................. 36
AS-1 Lower side Cover Screws ............................................................................... 40
AS-2 Upper Side Cover Screws .............................................................................. 40
AS-3 Top Cover Alignment........................................................................................40
AS-4 Top Cover Screws Installation ....................................................................... 40
AS-5 Headrest Installation ....................................................................................... 40

Reichert AT550 Specifications

General

Brand	Reichert
Model	AT550
Category	Measuring Instruments
Language	English