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Thread: questions about DSATX, pls help

  1. #1
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    questions about DSATX, pls help

    I have recently brought a DSATX. Whenever I switch on the ACC, the LED will immediately start the blink, indicating that it is about to power down (after shutdown pulse is sent). And then the power is cut shortly. If i connect the mother pins, my PC will keep rebooting all the time, as the DSATX keep sending the on/off pulse whenever it switched on.

    Do you guys know the reason why the DSATX will be powered down automatically upon switched on? -___- ... or is it a faulty unit?

  2. #2
    Variable Bitrate
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    Have you checked that you have the G1(Gnd) and G2(Signal Output) pins of JP1 connected correctly to the motherboard power switch header ?
    VIA Pico ITX, M2-ATX clone, 7" Seform 800x480 LCD Touchscreen, Dual 2x75WRMS Mini Amps, IDE-CF & SATA-CF adapters, 8GB (Sys) & 32GB (MP3s) CF, ELMscan5USB, Slot-load DVD, Craig Brass DAB+/FM USB module, Odyssey Navigator
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  3. #3
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    checked the motherboard power switch is correctly connected.

    But, just figure out the P1 by default is turned to the 90 degree...probable thats the reason...my playing around it now.

  4. #4
    Variable Bitrate
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    Quote Originally Posted by mcpc View Post
    Whenever I switch on the ACC, the LED will immediately start the blink, indicating that it is about to power down (after shutdown pulse is sent).
    How many times does the LED blink before a longer pause ?
    Going by your assumption that the DSATX is powering down, the LED must be blinking twice then pausing before blinking twice again. Is this correct ?
    VIA Pico ITX, M2-ATX clone, 7" Seform 800x480 LCD Touchscreen, Dual 2x75WRMS Mini Amps, IDE-CF & SATA-CF adapters, 8GB (Sys) & 32GB (MP3s) CF, ELMscan5USB, Slot-load DVD, Craig Brass DAB+/FM USB module, Odyssey Navigator
    Build 90% Apps 50% Install 10%

  5. #5
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    it's 2 blinks. the issue has been fixed after I reset the P1 switch...thanks for all your input.

  6. #6
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    But i have another question, what is the quickest way to have the DASTX to remotely switch on the amp? do i need a relay? what kind of relay do i need ?

  7. #7
    FLAC
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    Quote Originally Posted by mcpc View Post
    But i have another question, what is the quickest way to have the DASTX to remotely switch on the amp? do i need a relay? what kind of relay do i need ?
    There are two ways to power an amp from the DSATX. Unfortunately the DSATX doesn't have a direct control for an amp.

    Here is a document that shows how. The uSDC20D and DSATX use the same headder controls.

    http://www.mpegbox.com/microsdc/usdc20d_AuxOC.pdf
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

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