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4.4.2.3
eDP Panel and Backlight Power Supply
The power supply for eDP panels and backlight inverter is available on connector X31. LED D41 lights red when power for the flat panel is on.
LED D42 lights red when power for the backlight is on.
Table 26 X31 - eDP Power Pinout
Pin Signal
Pin Signal
1
VDD_LFP (Switched by EDP_VDD_EN)
2
VDD_BKLT (Switched by EDP_BLKT_EN)
3
+5V (2.0 A fuse)
4
+12V (1.5 A fuse)
5
EDP_VDD_EN
6
EDP_BKLT_EN
7
N.C
8
EDP_BKLT_CTRL_R
9
GND
10
GND
Connector Type
X31: 2.54 mm, 2x5 pin female connector
4.4.2.4
Flat Panel and Backlight Voltage Selection
The conga-HPC/EVAL-Client supports different voltages for the panel and backlight. Follow the descriptions in the tables below to set the
panel and backlight voltages.
Table 27 JP3 - Flat Panel Voltage Settings
Pin
Description
1-2
5 V panel power (default)
2-3
3.3 V panel power
Table 28 JP4 - Backlight Voltage Settings
Pin
Description
1-2
12 V backlight Power (default)
2-3
5 V backlight Power
Connector Type
JP3, JP4: 2.54 mm grid jumper
D41, D42
X31
10
8
9
7
6
5
4
3
2
1
2
3
1
JP3
2
3
1
JP4
