Seco Smarc CSM-B79 User Manual page 37

CN20 position LCD #1 PWR selector ( VDD_LCD1)
1-2 +3.3V_RUN
2-3 +5V_RUN
CN21 position BKLT #1 PWR selector (VDD_BKLT1)
1-2 +12V_RUN
2-3 +5V_RUN
Finally, these signals (VDD_LCD0, VDD_LCD1, VDD_BKLT0, VDD_BKLT1) are also carried to dedicated LCD panels voltage connectors CN16 and CN17 (par.3.3.4).
CSM-B79
CSM-B79 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: A.R - Reviewed by S.R. - Copyright © 2021 SECO S.p.A.
The LCD Voltage rail VDD_LCD1 value can be set to +3.3V_RUN or +5V_RUN by using dedicated
jumper CN20, which is a standard pin header, P2.54mm, 1x3 pin.
This selectable power rail is carried to eDP1 connector CN61 (par.3.3.3).
The Backlight Voltage rail VDD_BKLT1 value can be set to +5V_RUN or +12V_RUN by
using dedicated jumper CN21, which is another standard pin header, P2.54mm, 1x3 pin.
This selectable power rail is carried to eDP1 connector CN61 (par.3.3.3).
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