Acer AL922- User Manual

Acer AL922

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Table of Contents:

  • Page 4 – ELECTRICAL REQUIREMENTS; Standard Test Conditions; MEASUREMENT SYSTEMS; The units of measure stated in this document are listed below:; LCD monitor General specification
  • Page 5 – LCD Panel Specification; LCD Panel Model
  • Page 6 – Item Symbol
  • Page 8 – Optical characteristics measurement setup
  • Page 9 – Bmin; Bmax; Bmax: Maximum brightness; Flicker Voltage; LMD Voltage; One maximum value of three estimated values.
  • Page 10 – Lmin
  • Page 11 – Input Signals; Video input; DISPLAY MODES
  • Page 12 – Supported Timing
  • Page 14 – Pin – Assignment of DVI –D connector :
  • Page 15 – CONTROLS; OSD Functions
  • Page 17 – VESA DPMS Functionality; White Color Temperature
  • Page 18 – POWER SUPPLY; All units shall have an IEC/CEE-22 type male power receptacle.
  • Page 19 – Audio Technical specification; General Description:
  • Page 21 – BLOCK DIAGRAM
  • Page 22 – Location; Connector pin assignment
  • Page 24 – CN1 Digital Video input Connector: DVI-D
  • Page 25 – VK901 Control Panel Board; Description
  • Page 27 – FOR Fujitsu PANEL FLC48SXC8V; When the brightness becomes 50 %
  • Page 28 – Connector locations; Connector type
  • Page 29 – Connector Locations; Connector type for VM-902
  • Page 31 – Main Procedure
  • Page 32 – Power Circuit Troubleshooting
  • Page 33 – Backlights Troubleshooting
  • Page 34 – Performance Troubleshooting
  • Page 35 – Function Troubleshooting
  • Page 36 – MECHANICAL REQUIREMENTS; Vibration and Shock; Sinusoidal Vibration:; Package Drop Specification; Drop Test Sequence
  • Page 37 – Dimension Size and Weight
  • Page 39 – LCD Horizontally; Tilt Base Rotation; Swivel Right 45
  • Page 41 – - Atmospheric Pressure: 86 kPa to 106 kPa
  • Page 42 – WAVESHAPE
  • Page 43 – Climatic Condition; The climatic conditions shall be within the following ranges:
  • Page 44 – ENVIROMENT REQUIREMENT; Operating
  • Page 45 – REGULATION COMPLIANCE; Test methods for visual display units.
  • Page 47 – Ambient temperature : 15°C to 35°C; QUALITY AND RELIABILITY; Quality Assurance
  • Page 48 – APPENDIX A: PARTS LISTS
  • Page 49 – A-1 PCBA Inverter board
  • Page 51 – Product Line: Monitor System
  • Page 53 – APPENDIX B: DISPLAY UNIT ASSEMBLY
  • Page 54 – For Standaard
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1

AL 922 TFT LCD MONITOR

CONTENTS

1. INTRODUCTION .......................................................................................................................................... 3

1.1

Scope

.....................................................................................................................................................................3

1.2

Description

............................................................................................................................................................3

2. ELECTRICAL REQUIREMENTS ................................................................................................................. 4

2.1

Standard Test Conditions

......................................................................................................................................4

2.2

Lcd Monitor General Specification

.......................................................................................................................4

2.3

Lcd Panel Specification

........................................................................................................................................5

2.4

Input Signals

.......................................................................................................................................................11

2.5

Controls

..............................................................................................................................................................15

2.6

White Color Temperature

...................................................................................................................................17

2.7

Power Supply

......................................................................................................................................................18

2.8

Plug & Play(Edid)

...............................................................................................................................................18

2.9

Audio Technical Specification

............................................................................................................................19

3. VL-901 DISPLAY CONTROL BOARD ....................................................................................................... 20

3.1

Description

..........................................................................................................................................................20

3.2

Features

..............................................................................................................................................................20

3.3

Block Diagram

....................................................................................................................................................21

3.4

Connector Locations

...........................................................................................................................................22

3.5

Connector Type

...................................................................................................................................................22

3.6

Connector Pin Assignment

..................................................................................................................................22

4. VK901 Control Panel Board ..................................................................................................................... 25

4.1

Description

..........................................................................................................................................................25

4.2

Connector and Switch Locations

........................................................................................................................25

4.3

Connector type

....................................................................................................................................................25

4.4

Connector pin Assignment

..................................................................................................................................25

4.5

Switch definition

..................................................................................................................................................26

4.6

LED definition

.....................................................................................................................................................26

5. INVERTER BOARD .................................................................................................................................... 27

5.1

Description

..........................................................................................................................................................27

5.2

Electrical characteristics

....................................................................................................................................27

5.3

Connector locations

............................................................................................................................................28

6. DC/DC POWER and Audio CKT VM-902 ................................................................................................. 29

6.1

Input:

...................................................................................................................................................................29

6.2

Output:

................................................................................................................................................................29

6.3

Efficiency.

...........................................................................................................................................................29

6.4

Connector Locations

...........................................................................................................................................29

7. TROUBLESHOOTING ............................................................................................................................... 31

7.1

Main Procedure

..................................................................................................................................................31

8. MECHANICAL REQUIREMENTS .............................................................................................................. 36

8.1

Vibration and Shock

............................................................................................................................................36

8.2

Package Drop Specification

...............................................................................................................................36

8.3

Dimension Size and Weight

.................................................................................................................................37

8.4

Gap Spec.

............................................................................................................................................................37

8.5

Tilt Base Rotation

...............................................................................................................................................39

8.6

Swivel Base Rotation

...........................................................................................................................................39

8.7

Plastic Material

..................................................................................................................................................40

8.8

GAP Spec.

...........................................................................................................................................................40

9. Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst) ...................................................... 40

9.1

Peak Voltage

.......................................................................................................................................................40

9.2

Polarity

..............................................................................................................................................................40

9.3

Repetition Frequency of the impulse

...................................................................................................................40

9.4

Rise-Time

............................................................................................................................................................41

9.5

Impulse Duration

................................................................................................................................................41

9.6

Relation to Power Supply

....................................................................................................................................41

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Summary

Page 4 - ELECTRICAL REQUIREMENTS; Standard Test Conditions; MEASUREMENT SYSTEMS; The units of measure stated in this document are listed below:; LCD monitor General specification

4 2. ELECTRICAL REQUIREMENTS 2.1 Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light: 225 lux Viewing distance : 50 cm in front of LCD panel Warrn up time All specifications: 30 minutes Fully functional: 5 seconds Measuring ...

Page 5 - LCD Panel Specification; LCD Panel Model

5 XGA 1024 X 768 (60/70/75 Hz) SXGA 1280 X 1024 (60/70/75 Hz) standard resolution Pixel pitch : 0.098x3mm(H) x 0.294mm(V) Display Dot : 1280 x (RGB) x 1024 Pixel Clock : 25.2 – 135.0MHz Contrast ratio: θ = 0 ˚ 500 : 1 (typical) Brightness: 250 cd/m 2 (typical) Response time (Tr/Tf) : 15 /10 msec Dis...

Page 6 - Item Symbol

6 • Lamp Voltage 700 Vrms typ. • Lamp Current 7mA rms.( typ). 4 Lamp • Weight 3200g . • Optical Specifications The following items are measured under stable conditions. The optical characteristics should be measured in a dark room or equivalent state with the methods shown in Note(4). Measuring equi...

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