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CarNetix PSU-PC19 V2.0 Installation Manual
1.0 PSU-PC19 Introduction
NOTE: This manual and feature set apply to Rev 2.0 and above of the printed circuit board (PCB).
The PCB revision number is printed on the top of the PCB in white lettering. Please make sure you
are using the correct manual for the correct product revision.
1.1 Introduction
The PSU-PC19 is a 140 watt intelligent DC-DC power regulator designed to provide safe, reliable
power to the Xenarc SC8.
Figure 1 CarNetix PSU-PC19
The PSU-PC19 provides two outputs. The primary output is jumper selectable for 18V, 19V, or 20V
operation and can provide up to 6.32 amps (125 Watts @ 20V ). The secondary output is jumper
selectable to provide either +12V to power your Xenarc LCD screen, or +5V to power USB devices
(such as the Audigy 2NX sound USB sound card or USB powered hubs) with up to 3 amps (15
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