49
Mainboard jumper
JLV1
JLV2
JLV3
JP2
JCMOS
Figure 4.2 SP-600-A mainboard jumper
Jumper Setting Description
JLV1
(LCD Backlight Inverter Power Select Jumper)
1-2 Closed 5V
2-3 Closed 12V
JLV2
(LCD Panel Power Select Jumper)
1-2 Closed 3.3V
2-3 Closed 5V
JLV3
(Backlight Control Mode Select Jumper)
1-2 Closed Voltage Level Mode
2-3 Closed PWM Mode
1
1
1
1
12
56