CarNetix PSU-PC19 DC Installation Manual
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CarNetix PSU-PC19 V2.0 Installation Manual1.2 Primary Output PowerThe PSU-PC19 Primary Output can provide +18V, +19V, or +20V (note: these voltages haveactually been designed to be about .5V higher to overcome wiring losses in a typical installation) viajumper selections on the PCB. The total current available on the primary output is 6.32 amps (120watts at +20 Volts). The primary output of +19V is used to power your Xenarc SC81.3 Secondary Power OutputThe PSU-PC19 also provides a Secondary Output of either +5V, +12V or +13V via jumperselections. The total current available on the Secondary Output is 3 amps at +5 Volts, or about 1.3amps at +12V (15 watts total). If you exceed the current or power limit of the secondary output itwill automatically shut down to protect itself from damage.Note: a third output of +5V @ 3 amps (15 watts) can now be added to the PSU-PC19 by installing the optional CNX-P5V regulator. This will allow the PSU-PC19 to simultaneously power your Xenarc SC8, Xenarc LCD screen, and USBdevices. Download the CNX-P5V Installation Manual from our website forinstructions and details.Using the Secondary Output for +5V devicesThe +5V selection is typically used to power USB devices such as external USB sound cards (ieAudigy 2NX) or powered USB hubs. The +5V output can provide up to 3 Amps. When jumperedfor +5V operation, the secondary output does not de-rate the total power available on the primaryoutput (see +12V Secondary Output below).Using the Secondary Output for +12V devicesWhen the secondary output is jumpered for either +12V or +13V operation it derives its input fromthe primary (+19V) output. Since the total power available from the primary output is 120 Watts,when using the +12V/+13V secondary option, the primary output must be de-rated by currentconsumed by the secondary output.The secondary output can be jumpered to provide +12V at up to 1.3Amps for powering yourXenarc LCD screen or other low powered +12V devices. However, since the Xenarc LCD screenscome with a cigarette lighter adapter using the secondary output to power the screen is optional.- 7 - |
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