ECM-QM57
ECM-QM57 User’s Manual
30
2.4.13
LCD Inverter Connector (JBKL2)
Signal
PIN
+12V
1
GND
2
BLEN
3
L_BKLT_CTRL_R 4
+5V
5
Note:
For inverters with adjustable Backlight function, it is possible to control the LCD brightness through
the VR signal controlled by
JVR1
. Please see the
JVR1
section for detailed circuitry information.
2.4.13.1 Signal Description – LCD Inverter Connector (JBKL2)
Signal
Signal Description
L_BKLT_CTRL_R
Vadj = 0.75V ~ 4.25V (Recommended: 4.7K
Ω
, >1/16W)
BLEN
LCD backlight ON/OFF control signal
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