BenQ G2220HD Product Service Manual page 7

Analog input
Sync input
Digital input
Note-1: The pin assignment of 15-pin D-sub connector is as below,
Pin
1
2
3
4
5
6
7
8
19-pin HDMI
connector
Signal type
Level
Impedance
Signal type
Level
Impedance
Sync Pulse Width
(SPW)
Level
Impedance
Signal Assignment
Red video
Green video
Blue video
Ground
Cable Detected
Red Ground
Green Ground
Blue Ground
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See Note-3
Separate analog R/G/B √
700 mV (peak to peak) √
75 Ohms +/- 1.5 Ohms √
Separate H/V-sync
Composite H/V-sync
(Positive/Negative)
Logic High: 2.4V ~
5.5V
Logic Low: 0V ~ 0.5V
(TTL level)
Minimum 2.2KΩ(pull
down)
0.7µs < H-SPW
1H < V-SPW
600mV for each
differential line
50 Ohm TDR Scan
needed for DVI cable
and interface board
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
√
For 19-pin HDMI
For 15-pin D-sub
√
For 15-pin D-sub
Refer to
√
VSIS
V1R1
10KΩ
√
application
√
√
√
VESA
Standard
for