Acer AL2017 Panduan Servis - Halaman 17
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Halaman Cetak
Acer
Length: 1.8 m +/- 50 mm (fixed)
Connector type: D-sub male.
With DDC_2B pin assignments.
Blue connector thumb-operated jack screws
Pin Assignment:
PIN No.
1
2
3
4
5
6
7
8
3. FUNCTION CHECK
3.1 OSD Function Test
3.1.1 Test mode: 1400x1050@ 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: 1400x1050 @ 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: 1400x1050 @ 60 Hz
3.3.2 Test pattern: pattern #42 of 5-MOSAIC
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: 1400x1050 @ 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
SIGNAL
Red video input
Green video input
Blue video input
GND
Cable detect
Red video GND
Green video GND
Blue video GND
PIN No.
SIGNAL
9
VGA +5V
10
GND
11
GND
12
Serial data line (SDA)
13
H. Sync / H+V
14
V. Sync
15
Data clock line (SCL)
16
Service Manual