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Avalue ECM-LX800D User Manual

Page 21

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User

’s Manual

ECM-LX800D User

’s Manual

21

2.4.5

LCD inverter connector (JBKL)

Signal

PIN

+5V

5

VR

4

ENBKL

3

GND

2

VIN

1

Note: The power input voltage (VIN)

equals to output voltage of

inverter.

Note:

For inverters with adjustable Backlight function, it is possible to control the
LCD brightness through the VR signal controlled by JVR. Please see the
JVR section for detailed circuitry information.

2.4.5.1 Signal Description

– LCD Inverter Connector (JBKL)

Signal

Signal Description

VR

Vadj = 0.75V ~ 4.25V (Recommended: 4.7K

Ω, >1/16W)

ENBKL

LCD backlight ON/OFF control signal