Power issue with Lilliput monitor and voompc
Long time lurker and first time poster. Thanks to this site I installed my first car pc.
Anyway I have run into a problem that I just cant wrap my head around.
Here it goes.
I have a voom pc with a m2 atx psu. It comes with a 12v output to supply regulated power to the monitor.
So i have a 12 guage wire with an inline 15a fuse from the battery to the red wire of the psu.
I have a toggle switch going from the cigarette lighter fuse to the white wire of the psu
and the ground was bolted to the passenger seat housing.
So with this setup i was successful in getting the computer to start up and shutdown with the car starting up and shutting off.
The problem is the monitor isnt powering up with the supplied setup.
Now When i did the initial install i have everything hooked up to a wall outlet and everything was fine including the monitor with the supplied cables.
I followed the guides online to chose the right guage wire.
So I am not sure what could be wrong. Anyone have any idea?
Im guessing its not carrying enough power to supply the monitor so what can i do to supply the needed power.
Thanks for reading. I know it was long but i find that specifics help alot when asking for help.
Could you post some more info on your power setup?
Are you powering your lilliput from a 4 Pin Molex? Are there any hard disks connected on this channel? It could be that the disk(s) are causing some voltage drop to this line.
What are your computer specs? Is this an 160W M2-ATX?
yes it is a 160w m2-atx.
Im not sure what the power connection would be called so i am enclosing a pic of the back of my case to better illustrate.
So the top is the power in and the barrel plug under it is used to supply power to the monitor. I was supplied a blue and black wire with barrel plugs on each end with the pc to connect the monitor to power.
I have a laptop drive in the system loaded with xp and thats it. I have nothing else branching off this line in terms of amps or anything like that.
I am running a 1.66GHz Dual Core Atom D510 in the system with onboard audio and video.
Can you measure the voltage that the screen gets?
Anything under 12V could be an indication of bad powering.
Just buy a multimeter for that - you'll need it anyway with this kind of project
Hey did you get any results? I have the same exact case and same exact m2-atx PSU, but I am not getting any power to the monitor from that barrel plug using hte blue and black wires.
Is it working now?
How is the barrel connector connect to the m2-atx exactly? is it coming off of the 4 pin molex branching from the sata power plug or it it coming straight off of the psu itself. there is a 4 pin connector on the side of the psu that looks like a cpu power connector that m2-atx manual says is a regulated 12v power source.
Originally Posted by azngujuonfire
lemme know cause I wanna go this route too. thanks.