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Panasonic Cordless phone mic problem

Discussion in 'Electronic Repair' started by MJ, Nov 7, 2005.

  1. MJ

    MJ Guest

    My Panasonic cordless phone KX-TG2553B used to work fine. Now people I call complain
    (and I have verified) that the handset mic volume is extremely low. Changing the phone
    volume has no effect. Don't know if the handset was dropped -certainly possible though.
    Do these mics ever go bad? I took it apart and found nothing obvious. It cost $125 bucks
    in '02 and has been a great phone. TIA
     
  2. Franc Zabkar

    Franc Zabkar Guest

    Have you recently switched to DSL? Panasonic phones have a known issue
    with some filters.

    -- Franc Zabkar

    Please remove one 'i' from my address when replying by email.
     
  3. Skype_man

    Skype_man Guest

    2.4 ghz cordless phones really perform badly near any microwave
    oven, when cooking. Having said that, may just be a bad mic, or
    some debri in the hole for the mic. Sky.
     
  4. I have found this to be a common problem with panasonic phones. I don't know
    the cause but mine has the same problem as well as my friends's panasonic
    phone.
     
  5. MJ

    MJ Guest

    I did some internet searching but couldn't find much on Panasonic low volume problems.
    I'm going to try plugging in a headset into the handset and see if that bypasses the
    problem. A friend has this identical phone which I tried in my base unit and it works
    fine - so I know the trouble is with my handset itself. I'd swap out the mic if I knew
    where to find a replacement.
     
  6. Skype_man

    Skype_man Guest

    You MAY find a mic that will work, & fit from a
    ghetto blaster, or tape recorder. Sky.
     
  7. You could always try radio shack.
     
  8. Dana

    Dana Guest

    Changing the phone volume doesn't usually have an effect on the outgoing
    talk, just what you hear.
     
  9. jango2

    jango2 Guest

    Electret condensor mic probably, they're so easy to get, i'd buy 4
    options just in case parameters don't match. Prolly answered the phone
    with wet hands. 1 word of caution when u open the handset up, watch out
    for the gooey keypad , they're oh so icky, sweaty and toxic.
    Jango
     
  10. MJ

    MJ Guest

    I've found that using a headset circumvents the low volume mic issue, which implicates
    the mic itself, in my way of thinking. Anyone know how to get a schematic for a
    Panasonic cordless phone on the web? TIA
     
  11. MJ

    MJ Guest

    Ok, I pulled the mic off the board and it says C10 on it. I'll try the local Shack.
     
  12. MJ

    MJ Guest

    I remembered I had an older Panasonic cordless phone handset that went through my
    clothes washer (full cycle - no kidding). I pulled it's mic, popped it in, and my phone
    is back working great. YEAH! Thanks to all responders in this thread.
     
  13. MJ

    MJ Guest

    One more thing - that tells me that water (and suds and lots of agitation) is NOT what
    killed the mic in the first place. Maybe static electricity?
     
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