LC230WX3
Liquid Crystal Display
Product Specification
3-2-2. Backlight Inverter
- Inverter Connector : S14B-PH-SM3 Side entry type (manufactured by JST).
- Mating Connector : PHR-14 or Equivalent
Table 7. INVERTER CONNECTOR PIN CONFIGULATION
Pin
Symbol
Signal assignment
Note
1
2
VBL
VBL
24V Power Input
24V Power Input
24V Power Input
24V Power Input
24V Power Input
GROUND
3
VBL
4
VBL
5
VBL
6
GND
GND
GND
GND
GND
VBR-A
7
GROUND
8
GROUND
1
9
GROUND
10
11
GROUND
Analog dimming
0V(min) ~ 3.3V(max)
ON : 2.4 ~ 5.0V
OFF : 0.0 ~ 0.6V
12
13
14
ON / OFF
EXTVBR-B
Error out
Backlight ON/OFF control
External PWM signal
Rising edge : Lamp on
Falling edge : Lamp off
Normal : 0V
Abnormal : External pull-up
Backlight status output
Note :
1. GND is connected to the LCD module’s metal frame.
3
1
2
12 13 14
PCB
JST S14B-PH-SM3
(JST : Japan Solderless Terminal Co.,Ltd.)
11 / 28
Ver.1.0
Nov.22, 2005
LG [ LG SEMICON CO.,LTD. ]
