Specifications subject to change without notice
© Digital View Ltd – Ver 1.5 7 May 2020 (DT-1920-HDMI-EDPT_manual.doc)
Page 11 of 33
Summary: Jumpers setting
Ref
Purpose
Note
JA3
Panel power voltage select
CAUTION
: Incorrect setting can damage
panel
See panel voltage setting table 1
JA6
Panel power voltage select
CAUTION:
Incorrect setting will cause panel
damage
See panel voltage setting table 1
JB1
Backlight brightness voltage range
1-2 = 3.3V max
2-3 = 5V max
JB2
Backlight inverter on/off control – signal level
2-3 = On/Off control signal ‘High’ = +5V
1-2 = On/Off control signal ‘High’ = +3.3V
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
JB5-1 = VR/Digital switch mount control
JB5-2 = Analog backlight brightness - voltage range
0~5V
JB5-3 = PWM (Pulse Width Modulation) brightness
JB7
Backlight control voltage on CNB1 pin4
(Function when JB5-1 sets closed)
Open = For OSD switch mount control (Default)
1-2 = 0V
2-3 = 3.3V/5V controlled by JB1
JP6
Input power control
Short = External switch control and fix the board ON
Open = Switch mount control
SW1
Panel selection
See table below
