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Thread: playstation power supply??

  1. #11
    FLAC mp3z24's Avatar
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    i thought that adapter is only for the ps1, since the new ps1's have the external power supply. if it will work with the original playstations then it might be a possible solution.

    ~mike
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  2. #12
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    sorry, after looking into it some more i found that it does only work for the PSOne and not the older versions. ill be interested in hearing what happens with your research because i have an original Playstation (got it 1 week after they came out), and ive thought about throwing it in the car. again, sorry i was no help.
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  3. #13
    FLAC mp3z24's Avatar
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    hey, no harm done. at least someone it putting some input into this thread... anyway, i pulled apart my psx last night, for about the 10th time since ive had it. and i have the 5 wire power supply. (5 wires from ps to main board)

    now, can i simply start tapping the outputs of the connectors with a multimeter and read what the voltages are. should i just tap 2 pins and read the voltages, or should i tap 1 pin and use a ground? note to everyone, there is no black wire, so i dont know which is used as a ground (if any).

    someone with some circuit testing experience help me get started.

    ~mike
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  4. #14
    Rob
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    Rule of thumb, try the earth pin on the plug if you need a ground, if it has an earth that is.

    Rob
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  5. #15
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    Have you tried an inverter yet? I have a dreamcast running off an inverter and have zero noise.

  6. #16
    FLAC mp3z24's Avatar
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    rob... the plug is a 2 pin plug, with no third ground prong.

    adam... i have not tried an inverter yet. i was trying to make it a more compact installation, rather than having a psx sitting on the floor or back seat. maybe im just being difficult not wanting to accept that i might have to just use the inverter. ~~~sigh. but, maybe it will come down to that in the end.

    until next time...

    ~mike
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  7. #17
    D2
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    Oops, so much for me remembering how things looked the last time I pulled them apart. the info I have says that the 5 pins on the Original PlayStation motherboard from the internal power supply are;
    1 = +8V
    2 = GND
    3 = +3.3V
    4 = GND
    5 = RESET SW

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  8. #18
    FLAC mp3z24's Avatar
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    SWEEEEEEET....

    thanks alot everyone. im gonna check out the pins to verify the voltages and currents this weekend sometime. hopefully my friend can give me some assistance with the circuit design. if that turns out to be a dead end, i may be coming back for some more assitance. when i get plans finished, i will be sure to post them in case anyone else decides to do some pointless stuff like me

    thanks again to all the have helped so far

    ~mike
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  9. #19
    FLAC mp3z24's Avatar
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    alright, i have the voltage measurements...

    pin 1.. 7.5v
    pin 2.. gnd
    pin 3.. 3.6v
    pin 4.. gnd
    pin 5.. 1.5v

    pin 5 is the reset switch, and when the power is cut by the reset switch the psx reboots.

    how do i determine the current? i tried using the multimeter, like i did for the voltages (i moved the probes to the right spots on the multimeter). should current be measured inline. hopefully i can figure out a way to do that without messing up everything..

    thanks for anymore help..

    ~mike
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  10. #20
    Raw Wave Rob Withey's Avatar
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    Yep, measure current inline.

    Rob
    Old Systems retired due to new car
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