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Panasonic Cordless Telephone KX-TC1710CB

Discussion in 'Electronic Repair' started by spanky, May 25, 2004.

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  1. spanky

    spanky Guest

    Hi All:

    I think my 5 year old KX-TC1710CB cordless phone is finally going
    wonky. It's coming up with OUT OF RANGE errors when I press the TALK
    button on the handset. The base station seems to still work.

    Does anyone know what I may try to see if I can get it back to work
    again? Phone is still in great condition and hate to have to throw it
    away.

    Joe
     
  2. My first thought is check the battery. Just because it's been on the
    charger doesn't mean it's charged.

    WT
     
  3. Ricky Eck

    Ricky Eck Guest

    My Phone does the same thing. Mostly when the battery is going out. I just
    replace the battery, and most of the time, after a full charge on a new
    battery, it will work for a couple more years. Problem I have with mine, is
    I tell everyone to leave it off the charger, till it needs to be charged.
    But they will use it for an hour or so, and place it back on the charger.
    The battery develops the memory in it, and reduces the battery life.

    However, my phone has a message on the base, to fix the problem if "Out of
    Range" is displayed. I will type it out below, and hope it helps. My phone
    is a Nortel, so I don't know if it will work on yours, but worth a shot...

    ------------------------------------
    In rare instances, the handset may continue to display "Out of Range" even
    when close to the base, if this happens:
    1. Unplug the battery from the handset and unplug the power adapter from
    the wall.
    2.Wait at least 10 seconds then plug the battery back into the handset
    and place handset on the base.
    3. Place the power adapter back into the wall and wait 2-5 minutes for
    the unit to synchronize. Ignore any "Out of Range" messages that may appear
    during the procedure. After resynchronizing, the "Charging" prompt will be
    displayed.
    4. This problem is likely caused by external interference. At this
    point you can change the default channel.
    ------------------------------------

    I left out some of it, that refers to the phone, like how to change the
    channel, considering that changing the default channel may be different on
    your phone.
    Hope this helps out,
    Rick
     
  4. John Miller

    John Miller Guest

    Interesting. I've been carrying and using NiCd devices for well over a
    quarter of a century, so I've got a fair amount of experience, plus having
    heard lots and LOTS of both opinion and fact about the care and feeding of
    NiCd. Bottom line: the "memory effect" is highly overrated, and what many
    people think is the memory effect is actually the result of over-discharge.

    "...work for a couple more years?" I've got a couple of residential
    portable phones that receive no special treatment at all (just hang up the
    phone when you're done) with 10-year-old batteries.

    How can that be? Everyone "knows" that NiCds must be discharged fully each
    time, to avoid the memory effect. Or could it be that the cure
    (discharging) is worse than the disease?

    I really think that must be the case. After all, portable phones receive
    the worst possible (by conventional wisdom) treatment, being constantly on
    charge, and never discharged fully, and yet the batteries just keep going,
    and going and going...

    --
    John Miller, N4VU
    Email address: domain, n4vu.com; username, jsm

    Television has proved that people will look at anything rather than each
    other.
    -- Ann Landers
     
  5. jakdedert

    jakdedert Guest

    In addition to the battery problems stated earlier, you might have a problem
    with interference from other devices. I don't know which band your model
    operates in. The 2.4 gig band is getting eaten up in some locations
    by--among other things--wireless networks, security cams and microwave ovens
    (in addition to cordless phones). 900 in some cases is overpopulated due
    to...mostly more cordless phones.

    I've found that the migration to UHF has given a new lease on life to the
    old 49 mHz phones, if you happen to be a packrat like myself. There's still
    a lot of them around...most just need a new battery to operate like new (Of
    course new 'then' was probably not as good as new 'now,' due to improvements
    in features and technology--especially with regard to security.). I
    abandoned my old VHF phones when the channel congestion took my range down
    to less than half what it was when I bought the phone.

    Recently I've put a couple of them back in service. I was surprised to see
    that they were back up to snuff--maybe even better--again.

    jak
     
  6. Guillermo

    Guillermo Guest

    Hi! I fixed some units that had bad RF Xtal 10.240 mhz , changing it the
    phone worked properly, if you can read the frequency of the handset it must
    be around 926-927 mhz.
    Bes regards
     
  7. Ricky Eck

    Ricky Eck Guest

    Man, there has to be one in every group.....

    I have to agree that you can discharge a battery TOO much. Waiting for it
    to go completely dead all the time, is not good. That is not what I was
    saying. I was saying that people would use it for only a few hours, before
    the phone had even hardly discharged, and then put it back on the charger.
    I can could many cases that where this is true.

    1.) My Step Daughter has the same Cell phone I have. She would place it
    back on the charger not too long after she got home. Eventually after a few
    months, her phone would be lucky to last a day before it died. She went
    through three batteries before taking my suggestion. But she still wouldn't
    take it till I put my battery on her phone, and it lasted 3 days straight
    (before I took it back). so now, she has been using the same battery for
    over a year, and still has no problem with it.

    2.) My mom had a cordless phone that did the same thing, using batteries
    right and left. The charge was lucky to last a few hours. She was about
    ready to buy a new phone (My mom is bull headed also). She was not going to
    waste any more money on batteries. So I bought her one, and told her to let
    it stay off the hook (charger) after the initial charge. So she did what I
    said, and her phone lasted a few more years (Till she dropped it while
    building their new house), never replacing the battery again. Not to
    mention her phone would last almost 2 days off the charger, before needing a
    charge (It was an older AT&T cordless, you know the type that you had to
    pull the antenna up)

    I could come up with many other ones, but will try to keep it short. I my
    self have been working with NiCad's for over 25 years, and have seen the
    result of mis-charging the battery.

    Now, there is another type of Rechargeable battery that does not develop a
    memory, but the name slips my mind. I have never used them, so I can't say
    if it is true or not, but they became big in the flip phone age, where the
    NiCad Batts would develop the memory, and be useless.

    Rick
     
  8. John Miller

    John Miller Guest

    No need to get personal, Ricky. I don't doubt for a moment that your
    experience is different than ours. It happens.
    Nickel metal hydride.
    --
    John Miller
    Email address: domain, n4vu.com; username, jsm

    We are all worms. But I do believe I am a glowworm.
    -Winston Churchill
     
  9. jakdedert

    jakdedert Guest

    <snip>

    There's at least 'some' variability based on the complexity of the charger
    circuit, in various devices, which might explain the different results
    people get from their NiCads as well.....

    jak
     
  10. Asimov

    Asimov Guest

    "John Miller" bravely wrote to "All" (27 May 04 01:20:03)
    --- on the heady topic of "Re: Panasonic Cordless Telephone KX-TC1710CB"

    JM> From: John Miller <>

    JM> No need to get personal, Ricky. I don't doubt for a moment that your
    JM> experience is different than ours. It happens.
    JM> Nickel metal hydride.
    JM> --
    JM> John Miller
    JM> Email address: domain, n4vu.com; username, jsm


    Lithium-Ion?
    Just saw a show about EV's where this little Li-Ion powered roller
    skate did 0-60mph in under 4 seconds. Awesome...

    A*s*i*m*o*v

    .... A stereo system is the altar to the god of music.
     
  11. jakdedert

    jakdedert Guest

    Damn! can you imagine crankin' a pair of those up without leaning *way*
    forward....OUCH! That's gonna leave a mark....
    If that's the case, most people have little appreciation for this god. ;-)

    jak
     
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