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Elo TouchSystems ET1587C User Manual

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Service Manual
Entuitive Touchmonitor
ET1587C/1787C/1987C/1788C/1988C/1545C/1745C/1945C/1985C
Chassis Family No.ET15,17,19
CONTENTS
1.REGULATORY INFORMATION..........................................................................1
2.INTRODUCTION...................................................................................................3
3.TOUCH TECHNOLOGY.......................................................................................3
4.TOUCHMONITOR SAFETY.................................................................................4
5.TECHNICAL SPECIFICATIONS..........................................................................4
6.INSTALLATION AND SETUP..............................................................................9
7.OPERATION..........................................................................................................13
8.ABOUT MONITOR ADJUSTMENTS ...................................................................16
9.MONITOR INSPECTION STANDARDS .............................................................27
10.CAUTION FOR SERVICING..............................................................................34
11.BLOCK DIAGRAM..............................................................................................35
12.TROUBLE SHOOTING CHART..........................................................................37
13.SERVICE COMPONENTS ..................................................................................52
14.ET15 PARTS LIST................................................................................................53
15.ET17 PARTS LIST................................................................................................71
16.ET19 PARTS LIST................................................................................................128
17.SPARE PARTS APPLICATION...........................................................................195
Elo TouchSystems Elo Document : ES500144 Rev. : G / Apr.20,2004
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Elo TouchSystems ET1587C Specifications

General IconGeneral
BrandElo TouchSystems
ModelET1587C
CategoryMonitor
LanguageEnglish

Summary

1. REGULATORY INFORMATION

1.1 Electrical Safety Information

Details safety requirements for voltage, frequency, current, and operator-serviceable parts.

2. Emissions and Immunity Information

Covers compliance with FCC, Industry Canada, and EU CE regulations regarding radio frequency energy.

1. INTRODUCTION

2. About the Product

Highlights key features of the touchmonitor, including display size, touch technology, and connectivity.

TOUCH TECHNOLOGY

1. Touchscreens: An Overview

Explains the benefits of touchscreen technology for user interaction and transaction efficiency.

2. iTouch Touchscreens

Details Elo's iTouch surface wave technology, featuring touch-on-tube, no overlay, parallax-free, and enhanced durability.

TOUCHMONITOR SAFETY

Connector Information

Provides details on the touchmonitor's power connector pinout and pin assignments.

TECHNICAL SPECIFICATIONS

1. Touchmonitor Specifications

Lists technical specifications for 15", 17", and 19" monitors, covering display and input parameters.

2. iTouch Touchmonitor Specifications

Details mechanical properties like positional accuracy, touchpoint density, and durability.

Optical

Details optical specs: light transmission and visual resolution.

Environmental

Covers chemical resistance and electrostatic protection standards for the touchmonitor.

3. Signal PINOUT for 15",17" and 19" Monitors

Provides a diagram and list of signals for the monitor's signal connector pins.

4. Power Consumption

INSTALLATION AND SETUP

1. Unpacking Your Touchmonitor

Instructions for checking the contents of the package to ensure all items are present.

2. Connecting Your Touchmonitor

Important safety instruction to power off devices before connecting cables.

3. Connect the Video Cable

Guidance on connecting the video cable between the monitor and PC, including securing the connection.

4. Connect the Serial Touchscreen Cable

Instructions for connecting the serial touchscreen cable between the monitor and computer.

5. Connect the Power Cable

Details on connecting the power cable and protecting the unit from power surges.

6. Installing the Driver Software

Information on installing Elo TouchSystems driver software from the included CD-ROM for various Windows versions.

7. Installing the Touch Driver for Windows XP, Windows 20001, Me, 95/98 and NT 4.0

Step-by-step guide for touch driver installation on various Windows versions.

8. Installing the Touch Driver for MS-DOS and Windows 3.1

Instructions for installing the touch driver in MS-DOS and Windows 3.1 environments.

OPERATION

1. About Touchmonitor Adjustments

Information that factory settings are optimized, but user adjustments are possible.

2. Touchmonitor Controls

Explanation of how to use the OSD knob to adjust screen display settings.

2.1 Using the On Screen Display (OSD)

Guidance on accessing, navigating, and making adjustments within the OSD menu.

3.2 OSD Adjustments

Detailed descriptions of various OSD adjustment functions for image quality and display settings.

ABOUT MONITOR ADJUSTMENTS

1. Power Supply

Details the required input voltage and frequency for proper monitor operation.

3. Control Confirmation

Procedure for verifying monitor settings after adjustments, including brightness and contrast.

4. Adjustment Equipment (for reference only)

Lists specialized equipment recommended for performing monitor adjustments.

5. TIMING CHART

6. Service Adjustment Control Locations

7. Adjustment

7-1 B+Voltage Adjustment:

Procedure for adjusting the B+ voltage, including required test patterns and measurement points.

7-2 X-Ray Protection Test:

Procedure to test the monitor's X-ray protection circuit functionality.

7-3 Focus Adjustment:

Method for adjusting the focus using specific potentiometers on the FBT for optimal image clarity.

7-4 White Balance Alignment :

Steps for aligning white balance using a color analyzer and OSD controls for accurate color reproduction.

7-5 Trapezoid & Pincushion & Rotation Adjustment:

Adjustments for trapezoid, pincushion, and rotation distortion using OSD controls.

7-6 Size, Phase, Pincushion, H-Linearity, Rotation and QC Check:

Procedures for adjusting geometric parameters and performing quality control checks.

8. CONVERGENCE ADJUSTMENT

MONITOR INSPECTION STANDARDS

1. Signal level and input impedance

Specifies signal level, sync, and input impedance requirements for monitor performance.

2. Display performance

Defines standards for display area dimensions, centering, and various types of geometric distortion.

2.1 Display area

Specifies display area dimensions and range for different CRT sizes based on preset timings.

2.2 Centering

Defines acceptable limits for display centering relative to the monitor bezel.

2.3 Distortion

Sets tolerance limits for trapezoid, parallelogram, pincushion, and barrel image distortions.

2.4 Rotation

Specifies the acceptable tolerance for image rotation (H1-H2).

2. Primary Test Mode 800×600 at 85Hz (for 15”)

Defines the primary test mode for 15" monitors to check linearity.

3. Primary Test Mode 1024×768 at 85Hz (for 17” and 19”)

Defines the primary test mode for 17" and 19" monitors to check linearity.

All other modes

Specifies linearity requirements for modes not covered by primary test modes.

2.6 General performance

Covers video output bandwidth, luminance, uniformity, display area regulation, and color point.

2.6.1 Video output

Specifies the bandwidth of the video output signal.

2.6.2 Luminance

Defines acceptable luminance levels and conditions for various display states.

2.6.3 Luminance uniformity

Specifies the minimum acceptable luminance uniformity percentage.

2.6.4 Display area regulation

Details acceptable variations in display area due to luminance, power, and temperature.

2.6.5 Color Point

Defines acceptable color point coordinates (x,y) for white display.

2.6.6 Misconvergence

Specifies maximum allowable misconvergence for both center and corner areas of the display.

2.6.7 Purity

Defines criteria for visible mislanding on the CRT surface and display area.

2.6.8 White Uniformity

Specifies uniformity requirements for color coordinates across the white display.

2.6.9 Jitter

States that image jitter should be invisible at a distance of 60 cm from the CRT surface.

TROUBLESHOOTING

No picture

Troubleshooting steps for power, LED status, keyboard connection, and video configuration issues.

Touchmonitor does not enter power management mode.

Check VESA DPMS standard compliance from computer or graphics adapter.

Screen flickers

Check refresh rate against recommended modes; flickering may occur below 75Hz.

Color defects

Recommend degaussing and checking monitor distance from electrical equipment.

Picture appears to be ghosting

Verify good connection between touchmonitor and computer.

Picture is not centered.

Refer to manual for adjusting monitor picture and making adjustments.

Picture appears “washed out”

Readjust brightness and contrast settings.

Picture not present or severely distorted.

Verify video adapter settings for correct resolution and refresh rates.

Duplicated images

Indicates graphics adapter or touchmonitor issue; contact service.

"NO SIGNAL" window appears

Check PC power, connection, and video cable for no video signal.

"SIGNAL OUT OF RANGE" window appears.

PC signal exceeds monitor capability; adjust PC display settings to a supported mode.

Touch doesn’ t work

Ensure touchscreen cable is securely attached at both ends.

CAUTION FOR SERVICING

CRT Anode Discharge

Procedure for safely discharging high voltage from the CRT anode before servicing.

BLOCK DIAGRAM

1. POWER SUPPLY BLOCK DIAGRAM

Illustrates the power supply circuit, including AC input, filtering, rectification, and output stages.

TROUBLE SHOOTING CHART

A. POWER SUPPLY CIRCUITS

Flowchart for diagnosing power supply issues, checking voltages, components, and circuits.

b. LED FLASHING

Flowchart for diagnosing issues when the LED is flashing, checking H-Driver T.R., DC-DC circuit, and shorts.

d. NOISE

Flowchart for diagnosing noise issues, checking U601, T601, C620, and D612.

e. NO HIGH VOLATGE

Flowchart for diagnosing no high voltage: checking D509, R641, sync signals, and related ICs.

B. VIDEO CIRCUIT

Flowchart for diagnosing no raster: checking SMPS output, horizontal deflection, FBT, and CRT heater/cathode.

b. ONLY H.LINE NO V. OUTPUT

Flowchart for diagnosing issues with horizontal lines only: checking U301 outputs and V. Yoke.

c. H. MODE ERROR

Flowchart for diagnosing H. Mode Error: checking VR501, Q501 voltages, and U101 DAC pin.

d. V. MODE CONTROL ERROR

Flowchart for diagnosing V. Mode Control Error: checking U101 pin 32 and U201 pins.

e. HOLD DOWN

Flowchart for diagnosing Hold Down issues: checking B+ voltage, U201 pin 29, and related transistors.

f. NO VIDEO START

Flowchart for diagnosing no video start: checking power supplies, signals, and video circuits.

C. CPU Service Procedure

Steps for diagnosing CPU malfunction: checking pin voltages, oscillation, and front panel controls.

2. The OSD is malfunction

Diagnosing OSD malfunction: checking control keys, pin voltages, and related ICs.

3. The data message could not be stored by E2 PROM

Troubleshooting E2PROM storage failure: checking power supply, soldering, and component replacement.

4. The CS signal from monitor is not working properly

Troubleshooting for CS signal issues: checking power circuit, sync signals, and CPU functionality.

5. During mode change, there is a noise picture appear on screen

Troubleshooting screen noise during mode changes: checking power, U101 pin 16, and transistor.

SERVICE COMPONENTS

RESISTOR

Listing of resistor types with their corresponding allowances and descriptions.

CAPACITOR

Listing of capacitor types with their corresponding allowances and descriptions.

ET15

Common Parts

List of common parts for ET15 models, including circuit reference, description, and part number.

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