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