Acer AL2021 Service Manual - Page 35
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DVI-D Digital Receptacle Connector x 1
The PIN assignment of the 24 pin DVI-D connector / cable is as follows :
PIN
Signal
1
TMDS data2- (RX2-)
2
TMDS data2+ (RX2+)
3
TMDS data2 shield (GND)
4
NC
5
NC
6
DDC clock
7
DDC data
8
Not connected
9
TMDS data1- (RX1-)
10
TMDS data1+ (RX1+)
11
TMDS data1 shield (GND)
12
NC
13
NC
14
+5V
15
Ground (return for +5 V and H/V sync)
16
Hot plug detect
17
TMDS data0-
18
TMDS data0+
19
TMDS data0 shield
20
NC
21
NC
22
TMDS clock shield (GND)
23
TMDS clock+
24
TMDS clock-
(SCL)
(SDA)
(RX0-)
(RX0+)
(GND)
(RXC+)
(RXC-)
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CN8
DVI-I