Acer AL1703 Manuale utente
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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
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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
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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
2
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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
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(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
5
1
2
3
0
320
640
960
1280
0
256
512
768
1024
X
4
100%
90%
10%
0%
Gray Level 255
Gray Level 0
Gray Level 255
Time
TR
Optical
Response
TF
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