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Problems using Ituner when vehicle is running..HELP!!!!!!

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  • Problems using Ituner when vehicle is running..HELP!!!!!!

    Hi Guys...

    OK Christmas holidays are here...and time to get this ITX PC in my Renault van!

    M-10000ITX main board
    Liiliput 7” touch screen…
    80 Gig 3.5” Drive
    Ituner PW-120-M power supply.(Actually may be a PW-200-M…but it’s in the workshop…and I can’t remember exactly)

    Everything is almost installed...or at least to the point where I can test.

    It could “almost” be finished by tomorrow…if I get passed this little problem…

    I had the system running in the house…in an ITX case with AC power supply.

    I then stripped it out of the case…and put it bareback into the van.

    It worked!...well...almost...

    If I start the engine...I can't start the ITX system.

    It just won't power up...

    This is of course a major drawback for a mobile GPS solution

    It looks like the fan actually moves a fraction….but the system won’t power up…

    I have a gut feeling that it may be the fact that the board is looking for 12VDC…as is getting more voltage….after the engine is started.

    I think I read something somewhere about cutting a track on the PCB…to allow for up to 16DC…but I can’t now lay my hands on this.

    Anyone have a similar problem…and could point me in the right direction?

    Thanks!

    vintageB3
    M10000 mainboard,256 RAM, 80 Gig 3.5" drive, PWS-120-M, ITPS, Lilliput 7" touchscreen, XP Pro SP2, Frodoplayer, Map Monkey, InfoMap Navigator 4, WIFI

    Current: Bluetooth. Trying to get Phonecontrol to work with SE T610.

  • #2
    If you are getting a little more voltage than is acceptable (My brother's gets 14.4v no problem) then you could try having a diode in place to provide a .7v drop. Or 2 for 1.4v drop. Of course this affects running the pc with the engine off too... If you need it working fast, this may work tho until you figure out just how you want to proceed.

    It may be that you get a 12v regulator, or a diff. psu like the opus.

    ColdPhreze
    14" LCD, EPIA MII-10000, 256MB, Wireless LAN, GPS, CDRW/DVD, ELM Scan,
    200wRMS inverter (for the screen), CarPC Pro v2.4 Power Controller,
    2 12" Pioneer Premiers, Sony 6x9s, Sony Xplode Class D mono block, Pheonix Gold A/B amp for highs

    Comment


    • #3
      Originally posted by ColdPhreze
      If you are getting a little more voltage than is acceptable (My brother's gets 14.4v no problem) then you could try having a diode in place to provide a .7v drop. Or 2 for 1.4v drop. Of course this affects running the pc with the engine off too... If you need it working fast, this may work tho until you figure out just how you want to proceed.

      It may be that you get a 12v regulator, or a diff. psu like the opus.

      ColdPhreze
      Hi ColdPhreze...

      I did think about this...and I have diodes lying here.

      I want to get this system working for the weekend...I'm on a road trip....and want to try Destanator with the speed cam POI.

      I am sure that the Ituner has the option of cutting a track on the PCB...to allow for a higher voltage input...I'm just damned if I can find that info now!

      I'm hoping someone else with an Ituner comes back to me...

      I've heard the Opus has it's problems as well...long threads on the forum about the probs

      Thanks so much for the reply!

      vintageb3
      M10000 mainboard,256 RAM, 80 Gig 3.5" drive, PWS-120-M, ITPS, Lilliput 7" touchscreen, XP Pro SP2, Frodoplayer, Map Monkey, InfoMap Navigator 4, WIFI

      Current: Bluetooth. Trying to get Phonecontrol to work with SE T610.

      Comment


      • #4
        Not sure if this will help, and if it doesn't feel free to call me an idiot, but my system would not power up once because of a bad usb port. The fan would move a little the the whole thing would stop booting.(actually it would't even start). The usb port was allowing stupid ol me to plug in a usb cable upside down, and I'm guessing I was shorting the whole thing out.

        Lucky for me I didn't fry it. Also maybe try to ground your motherboard, I know sometimes amps just won't start because of a bad ground.

        Comment


        • #5
          Found that link about cutting the track on the pcb!

          Don't know if it is good option for me....I'm using a 3.5" hardrive at present.

          Here's the link

          http://www.mini-itx.com/store/information/car_mod.pdf

          Any thoughts?

          Thanks!

          vintageb3
          M10000 mainboard,256 RAM, 80 Gig 3.5" drive, PWS-120-M, ITPS, Lilliput 7" touchscreen, XP Pro SP2, Frodoplayer, Map Monkey, InfoMap Navigator 4, WIFI

          Current: Bluetooth. Trying to get Phonecontrol to work with SE T610.

          Comment


          • #6
            Directly from the app note:
            DO NOT USE 3.5” and regular size CDROMs with this design! Full size drives use the 12V rail for motor spinup and require a stable 12V feed. Using 2.5” laptop drives will eliminate this problem, since they use only 5V. 2.5” drives have better shock ratings, we highly recommend using such drives for vehicle designs.
            This mod will most likely fry your HDD.
            MikeH

            Comment


            • #7
              Originally posted by vintageb3

              It looks like the fan actually moves a fraction….but the system won’t power up…

              I have a gut feeling that it may be the fact that the board is looking for 12VDC…as is getting more voltage….after the engine is started.

              I think I read something somewhere about cutting a track on the PCB…to allow for up to 16DC…but I can’t now lay my hands on this.

              Anyone have a similar problem…and could point me in the right direction?
              I had a similar problem, where the PW200M wouldn't stay powered on until the engine had warmed up. I wound up frying the psu trying to resolve the issue and getting the Opus 150 as a replacement, which works perfectly.

              See if after 10-15 minutes of running the car, you can power up.

              Here's my original thread http://www.mp3car.com/vbulletin/show...hlight=mustang
              Dr. Ron Paul for President 2008

              Hope for America - http://www.ronpaul2008.com

              Who is Ron Paul? - Why do we need Ron Paul?

              __________________
              CarPC Newbs Start Here: All your questions answered, as if by E.S.P.

              Comment


              • #8
                Originally posted by MikeH
                Directly from the app note:This mod will most likely fry your HDD.
                Yup...I guessed that...so I'm not going to do this...going to try diodes tomorrow...

                Thanks for pointing this ou though

                vintageb3
                M10000 mainboard,256 RAM, 80 Gig 3.5" drive, PWS-120-M, ITPS, Lilliput 7" touchscreen, XP Pro SP2, Frodoplayer, Map Monkey, InfoMap Navigator 4, WIFI

                Current: Bluetooth. Trying to get Phonecontrol to work with SE T610.

                Comment


                • #9
                  [QUOTE=tj!2k4]I had a similar problem, where the PW200M wouldn't stay powered on until the engine had warmed up. I wound up frying the psu trying to resolve the issue and getting the Opus 150 as a replacement, which works perfectly.

                  See if after 10-15 minutes of running the car, you can power up.

                  ---------

                  Actually...it seems to be working to a degree today...

                  I can power up the PC…and crank…and it survive the crank…most times…

                  Or if I play about long enough…I can power up after the van has been cranked…

                  Once it’s started…it hasn’t died yet…

                  Still gonna try the diodes though.

                  I have the PW-120-M now….going to see if I can get it to work first...before I spend anymore money…

                  I now have GPS problems..maybe related…but I don’t think so…

                  Thanks for the advice!

                  vintageb3
                  M10000 mainboard,256 RAM, 80 Gig 3.5" drive, PWS-120-M, ITPS, Lilliput 7" touchscreen, XP Pro SP2, Frodoplayer, Map Monkey, InfoMap Navigator 4, WIFI

                  Current: Bluetooth. Trying to get Phonecontrol to work with SE T610.

                  Comment


                  • #10
                    pw-200 is not a car PSU, even if it states "12V operation".
                    Look at M1-ATX (cheaper) http://www.mp3car.com/store/product_...products_id=67 or the Opus Solution PSUs. They both survive engine cranks and they can go up as 24V!

                    -A

                    [QUOTE=vintageb3]
                    Originally posted by tj!2k4
                    I had a similar problem, where the PW200M wouldn't stay powered on until the engine had warmed up. I wound up frying the psu trying to resolve the issue and getting the Opus 150 as a replacement, which works perfectly.

                    See if after 10-15 minutes of running the car, you can power up.

                    ---------

                    Actually...it seems to be working to a degree today...

                    I can power up the PC…and crank…and it survive the crank…most times…

                    Or if I play about long enough…I can power up after the van has been cranked…

                    Once it’s started…it hasn’t died yet…

                    Still gonna try the diodes though.

                    I have the PW-120-M now….going to see if I can get it to work first...before I spend anymore money…

                    I now have GPS problems..maybe related…but I don’t think so…

                    Thanks for the advice!

                    vintageb3

                    Comment


                    • #11
                      Originally posted by andrewb
                      pw-200 is not a car PSU, even if it states "12V operation".
                      Look at M1-ATX (cheaper) http://www.mp3car.com/store/product_...products_id=67 or the Opus Solution PSUs. They both survive engine cranks and they can go up as 24V!

                      -A
                      I have just ordered a ITPS....I will see how that goes...I can't get the M1-ATX here in the UK...and need to get this system "working" safely within the next week...

                      I will worry about an Opus later on...

                      Thanks

                      vintageb3
                      M10000 mainboard,256 RAM, 80 Gig 3.5" drive, PWS-120-M, ITPS, Lilliput 7" touchscreen, XP Pro SP2, Frodoplayer, Map Monkey, InfoMap Navigator 4, WIFI

                      Current: Bluetooth. Trying to get Phonecontrol to work with SE T610.

                      Comment

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