Connect Tech - COM Express Type-6 PMC/XMC Carrier Board - User Manual
Revision 0.03
18
LVDS Backlight Power Connector
Function
LVDS backlight Inverter power
Designed to power HDA700LPT-GHL (or
similar screen type) which has 13 parallel
strings of 3 series white LEDS. Each white
LED has a Vf of around 3.3V.
Location
P7
Type
JST SM02B-BHSS-1-TB(LF)(SN) connector
Pinout
Pin
Signal
1
VA LED
2
VK LED
LVDS Backlight Power Jumper
Function
LVDS backlight power select
You can optionally c5V to pins 17 &
18 of the LVDS Video connector. Some
LVDS displays require this for backlight
powering, others require external backlight
power to be sourced from P7.
Location
J3
Type
2x2 2mm jumper block
Pinout
Position
Description
J3A / J3B
+5V BKL
Default
off