Asus PA246Q Service Manual page 15

Service Manual
Level
Impedance
Level
Digital input
Impedance
Level
HDMI input
Impedance
Level
DisplayPort input
Impedance
Note 1: The pin assignment of D-sub , DVI , HDMI , DisplayPort connectors are as below:
Pin Signal Assignment
1 Red video
2 Green video
3 Blue video
4 Ground
5 Cable-Detect
6 Red Ground
7 Green Ground
8 Blue Ground
Note 2: The pin assignment of 24-pin DVI-D connector (Female) is as below,
Pin
1
2
3
4
5
6
Logic High: 2.0V ~ 5.5V
Logic Low: 0V ~ 0.8V (TTL level)
Minimum 2.2K (pull down)
600mV for each differential line
100 Ohm TDR Scan needed for
DVI cable and interface board
600mV for each differential line
100 Ohm differential TDR Scan
needed for HDMI cable and
interface board
600mV for each differential line
100 Ohm differential TDR Scan
needed for DisplayPort cable and
interface board
15 pins D-sub connector (Female):
Signal Assignment
TMDS RX2-
TMDS RX2+
TMDS Ground
TMDS RX4-
TMDS RX4+
DDC Clock
Pin Signal Assignment
9 PC5V (+5 volt power)
10 Sync Ground
11 Ground
12 SDA
13 H-Sync (or H+V)
14 V-sync
15 SCL
Pin Signal Assignment
TMDS RX3+
13
+5V Power
14
Self-test (Cable detect)
15
Hot Plug Detect
16
TMDS RX0-
17
TMDS RX0+
18
18
PA246Q
Refer to VESA VSIS
√
Standard V1R1
√
2.2K for application
√
√
√
√
√
√