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KTD-S0031-E Page
16
Graphics
Interface
KTA55/pITX
User's Guide
6.7
Backlight Connector
An external voltage source must be used to supply the backlight with i.e. +12V DC (+5V DC is always avail-
able). The external voltage can be sourced to the backlight connector through the power connector J2901.
This connector can also be used to power the board with +5V DC instead of the round power jacket (see
chapter 'Power Supply').
Note:
The backlight voltage that is sourced through connector J2901 can be chosen freely.
6.7.1 External
Voltage
Parameter
Min.
Typ.
Max.
Units
Input voltage
+12.0
+30.0
V
Continuous input current
1.0
A
6.7.2
Backlight Voltage Jumper
Check the jumper J1201 for the correct backlight voltage (
Pos. 1-2 = +5V 2-3 = external voltage
).
Содержание KTA55/pITX
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