Page 10 of 32
Summary: Jumpers setting
Ref
Purpose
Note
JA3
Panel power voltage select
See panel voltage setting table 1
CAUTION:
Incorrect setting will cause panel damage
JB1
Backlight brightness voltage range
1-2 closed = 3.3V max
2-3 closed = 5V max
JB2
Backlight inverter on/off control
– signal level
1-
2 = On/Off control signal „High‟ = +12V
2-
3 = On/Off control signal „High‟ = +5V
Open = On/Off control signal „High‟ = Open collector
CAUTION
: Incorrect setting can damage inverter.
JB3
Backlight inverter on/off control
– polarity
1-
2 = control signal „high‟ = CCFT ON
2-
3 = control signal „low‟ = CCFT ON
JB5
Backlight control type selection
1-2 = VR/Digital switch mount control
3-4 = Analog backlight brightness control via RS-232
command (0xe0)
– voltage range 0~5V
5-6 = PWM (Pulse Width Modulation) brightness
JB7
Backlight control voltage on CNB1 pin 4
(Function when JB5 sets 1-2 closed)
Open = For OSD switch mount control (Default)
1-2 = 0V
2-3 = 3.3V / 5V controlled by JB1
JP1
Reserved
Reserved for internal programming use (Always 1-2
closed)
JP6
Input power control
Short = External switch control
Open = Switch mount control
SW1
Panel selection
See table below
SW2
Panel selection
See table below
Table 1 : Panel voltage setting table :
Input voltage via
PP2
Panel Voltage
JA3
Jumper on board
12VDC
3.3V
3-4 closed
5V
1-2 closed
12V
OPEN
CAUTION: Incorrect setting can damage panel & controller
!
JA3