Acer AL1717EE Manuale utente

Acer AL1717EE

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 T e s t C o n d i t i o n s ……………………………………….………… 8

1.2 F e a t u r e s …………………….……………………………….…... 8

1.3 L C D P a n e l S p e c i f i c a t i o n ……………………………………... 9

Chapter 2 O P E R A T I N G I N S T R U CT I O N S

…………….………….……...1 5

2 .1 F u n c t i o n N a m e …………………………………………………1 5

2 .2 S D M e n u D e s c r i p t i o n …..……………………………………1 7

2 .3 S D C o n t r o l …..………………………………………………...1 8

2 .4 S D M e n u S c r e e n …..……...…………………………………1 9

2 .5 S D F u n c t i o n D e f i n i t i o n ……………………………………...2 0

2 .6 P l u g a n d P l a y ……….………………………………………......2 1

2 .7 P o w e r S a v e r ……………………………………………………..2 1

Chapter 3 Mac hine D isasse b l y and A sse b l y

…..…….…… 2 2

3 .1 M a c h i n e D i s a s s e m b l y …………………………………………2 2

3 .2 M a c h i n e A s s e m b l y ……………….…………………………... 2 5

Chapter 4 T roub l eshooting …

………………….….…….….……………2 8

4 .1 A b n o r m a l d i s p l a y T r o u b l e s h o o t i n g ……………………….. .2 8

4 .2 A b n o r m a l ( n / f f , L C D D i s p l a y , K / B ) T r o u b l e s h o o t i n g ...3 0

4 .3 A b n o r m a l ( B I S , S D , t h e r D i s p l a y ) T r o u b l e s h o o t i n g . .3 1

4 .4 A u d i o A b n o r m a l ………………………….…………………....3 2

Chapter 5 Connec tor I nf or ation …

………...……….………...……3 3

5 .1 F u n c t i o n B l o c k D i a g r a m …………….…………………………3 3

Chapter 6 FR U ( Fiel d R epl ac eab l e U nit) L ist

……….……………...3 4

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

 17” SXGA TFT LCD Panel

 TN Mode Liquid Crystal

 D-SUB/ DVI-D Input (Optional)

 Audio Function

 Support to 75Hz Refresh Rate

 Support VESA-DCC 2B plug & play function

 Support VESA-DPMS & DVI DMPM Power Management Function

 Super Wide Viewing Angle

 High Brightness & Contrast Ratio

 High Brightness & Contrast Angular Dependent

 Fast LC Response Time

 Light Weight

Chapter 1

1.3

LCD panel Specification

Optical Specifications

The relative measurement methods of optical characteristics are shown in 4.2. The

following items should be measured under the test conditions described in 4.1 and

stable environment shown in Note (4)

Item Symbol

Condition Min. Typ. Max.

Unit

Note

Contrast Ratio CR (300) (400)

- - (2), (4)

- (2) (7) ms

LC Response Time T

- (8) (18) ms

(3)

Luminance of center point L

=0°, θ

=0°

Viewing

Normal

Angle (180) (280)

- cd/

(2), (4)

Luminance (Angular dependent) L

- 1.3 1.7 - (2), (5)

Contrast (Angular-dependent) Cm 0.5 0.9 - - (2), (6)

Brightness Uniformity Uni. - 1.1 1.3 - (2), (4)

Rx (0.604) (0.634)

(0.664)

Red Ry (0.330) (0.360)

(0.390)

Gx (0.251) (0.281)

(0.311)

Green Gy (0.572) (0.602)

(0.632)

Bx (0.112) (0.142)

(0.172)

Blue By (0.037) (0.067)

(0.097)

Wx (0.283) (0.313)

(0.343)

White Wy (0.299) (0.329)

(0.359)

Wx (0.283) (0.313)

(0.343)

White 6500K Wy (0.299) (0.329)

(0.359)

Wx (0.269) (0.299)

(0.329)

White 7500K Wy (0.285) (0.315)

(0.345)

Wx (0.253) (0.283)

(0.313)

Color

Chromaticity

White 9300K Wy

(0.267) (0.297)

(0.327)

(2)

+ 70 80 -

Horizontal θ

- 70 80 -

+ 50 60 -

Viewing

Angle Vertical θ

CR≥10

50 60 -

Deg

. (1),(4)

Note (1)

Definition of Viewing Angle (θx, θy):

Note (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:

12 o’clock direction

= 90º

6 o’clock

= 90º

x- y+

y- x+

Normal

θx = θy = 0º

X+

= 90º

X-

= 90º

Active area

Vertical Line Number

[pixel]

Horizontal Line Number [pixel]

: test point

X=1 to 5

320

640

960

1280

256

512

768

1024

Horizontal Line

umber

Indice

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