Acer AL1703 Manuale utente

Acer AL1703

Service Guide

Service guide files and updates are available

on the CSD web : for more information,

Please refer to http: csd.acer.com.tw

Table of Contents

Chapter 1 Monitor Features…………………………………….………. 8

1.1 Test Conditions……………………………………….………… 8

1.2 Features…………………….……………………………….…... 8

1.3 LCD Panel Specification……………………………………... 9

Chapter 2OPERATINGINSTRUCTIONS……………….………….……12

2.1 Function Name…………………………………………………12

2.2 OSD Menu Description…..……………………………………14

2.3 OSD Control…..…………………………………………………15

2.4 OSD Menu Screen……..……...……………………………….15

2.5 OSD Function Definition.…………………………………...…16

2.6 Plug and Play……….…………………………………………..17

2.7 Power Saver……………………………………………………..17

Chapter 3 Machine Disassembly and Assembly……..…….……18

3.1 Machine Disassembly…………………………………………18

3.2 Machine Assembly……………….…………………………... 21

Chapter 4 Troubleshooting…………………….….…….………….……25

4.1 Abnormal display Troubleshooting…………………………25

4.2 Abnormal (On/Off, LCD Display, K/B) Troubleshooting...27

4.3 Abnormal (BIOS, OSD, Other Display) Troubleshooting...28

4.4 Audio Abnormal………………………….…………………….29

Chapter 5 Connector Information…………...……….………...……30

5.1 Function Block Diagram…………….…………………………30

5.2 Connector Location……..………….…………………………31

5.3 D-sub Mini 15Pin Connector…………………...….…….……32

5.4 DC Connector…………...…………………….…….…….……32

5.5 Audio Connector………………………………...….…….……32

5.6 Main Board Pin Assignment Introduction……….…….……32

Chapter 6 FRU(Field Replaceable Unit……...……….………………37

Chapter 7 Schematic Diagram…………….………………..…….……41

Monitor Features

1.1 Test Conditions

Item Condition

Temperature Normal room temperature (25±2℃)

Humidity 50±10%

AC input voltage 100V±2V, 120±2V, 60Hz / 240±2V, 50Hz

Brightness Maximum with OSD setting

Contrast Middle with OSD setting

Resolution setting 1280 x 1024 @60HZ

Color temperature With OSD setting

Measuring instrument

Topcon luminance colorimeter BM-5A or equivalent

Others Before measuring, “Auto Adjust”& “Auto Balance”must be done in

advance

1.2 Features

l17”SXGA TFT LCD Panel

lTN Mode Liquid Crystal

lD-SUB

lAudio Function (Optional)

lSupport to 75Hz Refresh Rate

lSupport VESA-DCC 2B plug & play function

lSupport VESA-DPMS Power Management Function

lSuper Wide Viewing Angle

lHigh Brightness & Contrast Ratio

lHigh Brightness & Contrast Angular Dependent

lFast LC Response Time

lLight Weight

Chapter 1

1.3 LCD panel Specification

Item Specification

Active Area 337.9(H) x 270.34 (V) (17.0” diagonal)

Driver Element a-si TFT Active Matrix

Pixel Number 1280 x R.G.B. x 1024

Pixel Pitch 0.264 (H) x 0.264 (V)

Pixel Arrangement

RGB Vertical Stripe

Display Color 16.2M

Tran missive Mode

Normally White

Viewing Angle

(H/V) 160 / 120

Brightness 350

Contrast Ratio 350

LCD panel

LC Response Time

(Tr+Tf) 14 (Tr: 4+ Tf: 10)

Separate Sync. TTL Level

Horizontal Sync. Positive / Negative

Vertical Sync. Positive / Negative

Graphic

Input Connector D-Sub mini 15 pins, DVI-D 24 pins (Optional)

Auto Adjust Clock, Phase, H Position & V Position

Screen Scaling VGA/SVGA/XGA/SXGA Full Screen Display

Power

Management VESA DPMS, DVI DMPM, ENERGY STAR®

Compliance

Color Adjustment User, 6500K, 7500K & 9300K

Performance

OSD Language English, French, German, Spanish, Italian, Japanese,

Traditional Chinese, Simplified Chinese, Russian, Korean

(1)Definition of Viewing Angle (θx, θy):

12 o’clock direction

θy+ = 90º

6 o’clock

θy-= 90º

θx-θx+

θy-θy+

x-y+

y-x+

Normal

θx = θy = 0º

θX+ = 90º

θX-= 90º

(2)Definition of Contrast Ratio (CR):

The contrast ratio can be calculated by the following expression and figure

below.

Contrast Ratio (CR) = L255 / L0

L255:Luminance of gray level 255

L 0: Luminance of gray level 0

CR = CR (5)

CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note

(5).

Definition of luminance measured points and Brightness Uniformity:

Luminance of center point: L=L(5)

Brightness Uniformity Measurement points: Five specified points 1-5

Formula: Maximum [L (1), L (2), L (3), L (4), L (5)]/Minimum [L (1), L (2), L (3), L (4),

L (5)]

(3)Definition of Response Time (TR, TF):

Active area

Vertical Line Number

Horizontal Line Number

Horizontal Line Number [pixel]

: test point

X=1 to 5

320

640

960

1280

256

512

768

1024

100%

90%

10%

Gray Level 255

Gray Level 0

Gray Level 255

Time

Optical

Response

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