Acer AL2016 Service Manual - Page 16

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Acer AL2016 Service Manual
Acer
Pin Signal Assignment
1
T.M.D.S. Data2-
2
T.M.D.S. Data2+
T.M.D.S. Data2/4
3
Shield
4
No Connect
5
No Connect
6
DDC Clock
7
DDC Data
8
No Connect
3.

FUNCTION CHECK

3.1 OSD Function Test
3.1.1 Test mode: 1680x1050 @ 60 Hz
3.1.2 Test pattern: pattern #1 of crosshatch (GENERAL-1)
3.1.3 Check single key function and hot key function about key "Power", "Menu"," ►", "◄ ",
"Exit/Auto", it should operate normally
3.2 Screen Picture Check
3.2.1 Test mode: 1680x1050 @ 60 Hz
3.2.2 Test pattern: pattern #1 of crosshatch (GENERAL-1)
3.2.3 Select OSD menu to execute 'Auto' function, screen picture shouldn't appear abnormal
phenomenon and picture on screen should fit in with active display screen.
3.3 Auto Color Balance
3.3.1 Test mode: 800x600 @ 60 Hz
3.3.2 Test pattern: pattern #48 of 32 gray levels (32 GRAYS)
3.3.3 Enter "Factory Mode" pressing "Auto color" key, and execute "AUTO".
3.4 Timing Check
3.4.1 Test mode: Refer to preset timing table and power saving mode
3.4.2 Test pattern: pattern #1 of crosshatch (GENERAL-1)
3.4.3 After change above timing and execute "Auto" function automatically, picture should fit in with
active display screen.
3.4.4 Under power saving mode, LED lamp on the key board should be orange
3.5 Power Consumption Function Test
3.5.1 Test mode: 1680x1050 @ 60 Hz
3.5.2 Test pattern: pattern #41 of "WHITE"
3.5.3 Adjusting both brightness value to maximum,
3.5.4 Measure power consumption as the following
Standby (No H/V
Digital-Only Connector Pin Assignments
Pin Signal Assignment
10
11
12
13
14
15
16
Status
Power Consumption
Normal
sync)
Power off
9
T.M.D.S. Data1-
T.M.D.S. Data1+
T.M.D.S. Data1/3
Shield
No Connect
No Connect
+5V Power
Ground (for +5V)
Hot Plug Detect
≤ 55W
< 1W
< 1W
15
Service Manual
Pin Signal Assignment
17
T.M.D.S. Data0-
18
T.M.D.S. Data0+
T.M.D.S. Data0/5
19
Shield
20
No Connect
21
No Connect
T.M.D.S. Clock
22
Shield
23
T.M.D.S. Clock+
24
T.M.D.S. Clock-
LED Display
Green
Orange
No display