31
Chapter 3: Motherboard Connections
LVDS Connector
LVDS1 is the LVDS connector. LVDS (low-voltage differential signaling) is a high-speed
digital interface that operates at low power. It is a type of connection that is used with a
LVDS LCD panel. The connector combines LCD VCC Power (pins 9-10), LVDS high speed
digital interface, backlight power 3.3V (pin 7) and 12V (pins 1-5), backlight enable (pin 15),
and dimming control (pin 13). Select the correct LCD VCC power according to the LCD
specification by JLCDPWR1 (3.3V/5V/12V) before enabling the LVDS panel. Refer to the table
below for vendor part number, mating, and crimping contact connector information before
making the LVDS/backlight cable.
LVDS Connector
Pin Definitions
Pin#
Definition
Pin#
Definition
39
GND
40
GND
37
LVDSB D3N
38
LVDSB D3P
35
LVDSB CLKN
36
LVDSB CLKP
33
LVDSB D2N
34
LVDSB D2P
31
LVDSB D1N
32
LVDSB D1P
29
LVDSB D0N
30
LVDSB D0P
27
GND
28
GND
25
LVDSA D3N
26
LVDSA D3P
23
LVDSA CLKN
24
LVDSA CLKP
21
LVDSA D2N
22
LVDSA D2P
19
LVDSA D1N
20
LVDSA D1P
17
LVDSA D0N
18
LVDSA D0P
15
BKLTEN
16
GND
13
BKLTCTL
14
PVCCEN
11
DDC CLK
12
DDC DATA
9
LCDVCC
10
LCDVCC
7
3.3V
8
GND
5
12V
6
GND
3
12V
4
12V
1
12V
2
12V