Brightness Uniformity; Input / Output Signal Specifications; Audio In; Hdmi In - Acer A231H Service Manual

Service guide
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3.5 Brightness uniformity

The test standard conditions refer to Sec 3.3.
4.

Input / Output Signal Specifications

4.1 AC in
AC Input Voltage: 100~240VAC
4.1.1
AC Input Current: 1.2A @100Vac, 0.6A @240Vac
4.1.2
AC Frequency Range: 50~60Hz
4.1.3
4.2 Audio in (Option)
Input impedance
4.2.1
Frequency response range
4.2.2
4.3HDMI in(Option)
HDMI type A Connector Pin assignment:
19
19
18
18
17
17
16
16
15
15
Pin
1
2
3
4
5
Min.
luminance
Max.
luminance
10K ohm
200Hz ~ 20kHz
13
13
12
12
14
14
11
11
10
10
Symbol
TMDS Data2+
TMDS Data2 shield
TMDS Data2-
TMDS Data1+
TMDS Data1 shield
of
nine
points
of
nine
points
9
9
8
8
7
7
6
6
5
5
Pin
Symbol
11
Cable detect
12
TMDS Clock-
13
CEC
14
N/C
15
SCL
Acer –LCD-A231H
(backlight
)
75
(backlight
)
4
4
3
3
2
2
1
1
%

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