User manual
  VB7009
VB7009VB7009
VB7009 
 User Manual
User ManualUser Manual
User Manual 
  42
3.5. Backlight Power Select Jumper 
The mainboard has a jumper that controls the input voltage delivered to the 
LVDS inverter connector. The jumper is labeled as “IVDD_SEL1”. The jumper 
settings are shown below. 
1
Figure 
Figure Figure 
Figure 36
3636
36: Backlight power select jumper
: Backlight power select jumper: Backlight power select jumper
: Backlight power select jumper 
Panel Voltage
Panel VoltagePanel Voltage
Panel Voltage 
  Pin 1
Pin 1Pin 1
Pin 1 
  Pin 2
Pin 2Pin 2
Pin 2 
  Pin 3
Pin 3Pin 3
Pin 3 
+5V  On  On  Off 
+12V (default)  Off  On  On 
Table 
Table Table 
Table 32
3232
32: Backlight power select jumper settings
: Backlight power select jumper settings: Backlight power select jumper settings
: Backlight power select jumper settings 










