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Removing the Rear Case
Disassembly usually starts with removal of the back case. For assistance with
disassembly, consult your manufacturer's service manual.
To remove the rear case:
• Carefully lay the display on its face on the padded work surface and remove
the screws that attach the rear case to the bezel or frame.
• Slowly pull the rear case upward.
• Disconnect any cabling that may be attached to the rear case
• While removing the rear case, note the clearance between the inside rear
surface of the case and any of the monitor’s circuitry. If there is not enough
clearance to move this circuitry about.25 inch (6 mm) toward the rear of the
case, you may be unable to successfully install a touchscreen on the display
and completely reinstall the back case. Contact Elo Applications Engineering
(1-800-557-1458 x6) for possible alternatives.
Removing the LCD
1 Continue disassembling the display until the face of the LCD is completely
exposed. The degree of disassembly required will vary from display to
display.
2 The next step will be to remove the LCD from the display’s housing. Several
cables may have to be unplugged from the LCD before it can be removed.
Typically these cables are:
• The input video connector. A multi-conductor cable that is attached to the
rear of the LCD panel.
• The back-lamp cables. One or two cables connected to the rear of the
panel. These cables originate from the high voltage inverter.
• Various cables connected to the power switch, pilot light, front panel
controls, etc. Other cables may have to be unplugged from the electronics
chassis. The need for this may not be apparent until the chassis is removed,
as instructed below. As you pull the LCD out of the frame, make sure to
watch for other cables that need to be disconnected. After removal, set the
LCD face up on a padded, static free work surface.
- Elo IntelliTouch 2
- /SecureTouch 2
- Touchscreen Guide 2
- All Rights Reserved 3
- Disclaimer 3
- Trademark Acknowledgments 3
- Table of Contents 7
- Appendix B 8
- Appendix C 8
- List of Figures 9
- List of Tables 11
- ECHNOLOGY 13
- The IntelliTouch Touchscreen 14
- Figure 1.1 14
- The IntelliTouch Controller 15
- Figure 1.2 15
- Driver Software 16
- Agency Approvals 16
- NSTALLATION 17
- OMPONENT 17
- Getting Started 18
- Bezel Design 19
- CRT Integration 20
- Definition of Terms: 21
- Suggested Tools 21
- Figure 2.3 22
- Unpacking the Touchscreen 23
- Testing the Monitor 23
- Remove the Back Case 24
- Discharge the CRT 24
- Remove the Electronic Chassis 25
- Remove the CRT 27
- Verify Touchscreen Fit 28
- Attaching the Touchscreen 30
- Figure 2.4 31
- Installing the Controller 33
- Figure 2.5 34
- P4 Pins Signal Function 35
- External Serial Controller 37
- Figure 2.6 39
- Reassembling 41
- Sealing the Monitor 42
- Figure 2.7 42
- Figure 2.8 43
- LCD Integration 44
- Definition of Terms 46
- Tools and Equipment 47
- Removing the Rear Case 49
- Removing the LCD 49
- Determining Touchscreen Fit 50
- Mounting the Touchscreen 51
- Figure 2.9 52
- Figure 2.10 54
- Figure 2.11 55
- Parasitic Tap of 5Vdc 56
- Figure 2.12 57
- Figure 2.13 59
- Brush Direction 59
- ROUBLESHOOTING 61
- Display Problems 62
- Software Troubleshooting 62
- Hardware Troubleshooting 63
- Using the COMDUMP Utility 64
- Byte Description 65
- Byte MSB LSB 65
- RS-232 Connections 66
- Power Connections 67
- Figure A.2 68
- IC1 Cable 69
- EC2 Cable 69
- Diagnostic LED's 70
- Table A.3 71
- Figure A.4 72
- PECIFICATIONS 73
- IntelliTouch Touchscreens 74
- Approvals 75
- Touchscreen 77
- Connector 77
- Power Connector, P4 77
- Figure B.1 78
- Table B.1 78
- Figure B.2 78
- Figure B.3 78
- Table B.2 79
- Table B.3 79
- Figure B.4 81
- Figure B.5 81
- Figure B.6 82
- Figure B.7 82
- Electrical 83
- Environments 83
- Physical Characteristics 83
- Cable applied 84
- Board mounted 84
- Table B.4 85
- Table B.5 85
- Figure B.9 86
- Table B.6 86
- Figure B.10 86
- Jumper Settings 87
- Figure B.11 89
- Figure B.12 89
- Figure B.13 90
- Figure B.14 90
- Controller and Cable Kits 91
- IntelliTouch® Accessories 91
- Part Number Description 92
- Glossary-83 95
- standard 96
- Glossary-85 97
- Glossary-87 99
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