Electronic help

  1. #1
    Chucko's Avatar
    Member Since
    Sep 2008
    From
    Temecula, CA
    Posts
    481

    Electronic help

    Is there a way to switch the input and output? This is a little pocket amp speaker. The input is a weird 8 pronged plug and the output will fit a 1/8 jack.

  2. #2
    ShocKWavE's Avatar
    Member Since
    Oct 2002
    From
    San Diego, CA
    Posts
    1,084

    Re: Electronic help

    What was the input originally connected to? A plug or ribbon cable? May want to use that to wire a 1/8th input to if you can trace the wires to the original input source (mic?)

    The input looks like 4 pins from the pic. Do you have a multimeter?

  3. #3
    Chucko's Avatar
    Member Since
    Sep 2008
    From
    Temecula, CA
    Posts
    481

    Re: Electronic help

    Here's a pic of what it was. You can see the ribbon coming off the top that is the input. It has 8 pins if you look at the green side of the first pic you can see the 8 solder marks. I do have a multimeter I do not really know how to use it though.

  4. #4
    I helped at SDCC '08 NovallTalon's Avatar
    Member Since
    Feb 2007
    From
    Yadkinville NC
    Posts
    2,028

    Re: Electronic help

    This actually shouldn't be a very hard mod. You just need to find the positive and negative voltage ends then wire up a 2 pole mic to those prongs. If you want to make the mic removeable, then get yourself a mini-stereo plug (both male and female ends) then wire it up the same way.

    If you go the mini-stereo plug route, then let me suggest that you use a powered lapel mic. I switched over to using that just before SDCC last year, and although the mic was like $25 it was a great investment. I'm still running on the same battery I bought it with, and It's pretty loud.

  5. #5
    ShocKWavE's Avatar
    Member Since
    Oct 2002
    From
    San Diego, CA
    Posts
    1,084

    Re: Electronic help

    Here is a link regarding multimeters. Multimeters

    Did the mic original mic have any batteries or just plug right in? If it just plugs in without it's own batteries, as said you can probably just use a 2 wire mic and try touching the pins. (disclaimer here - always use caution with electronics, AC for sure). This is battery powered though right?

    Read about continuity. If you set the multimeter on the continuity setting, you can see if 2 leads are physically connected in the circuit. Usually the meter will make a sound to show this. Make sure the cables are plugged in COM (-) and V~ma.

    The ribbon has a white stripe, probably the ground wire. Not sure about 8 pins though.

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