[TechAssist] Re: Sharp Camcorder VL-E36C - Battery Too Low Error Message
- From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 4 May 2004 22:42:20 +0100
This model does have the lithium backup battery for the date and time.
I've never seen the "battery too low" error because of this before but
then again I don't work on many Sharp camcorders. If someone could
confirm if this model displays the "battery too low" error message when
the backup battery is too low or dead, I would appreciate this. I could
not find a user manual online. I did see a Panasonic model recently that
had a flashing icon in the view finder because of a low lithium battery.
I will replace the backup battery tomorrow and let you know if this if
the fix. Thanks for the information; I hope this is the problem for the
customer's sake.
David Lessard
Alexandria Electronics
mr_fixit@xxxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of greentron@xxxxxxx
Sent: Wednesday, May 05, 2004 2:14 AM
To: techassist@xxxxxxxxxxxxx
Cc: David Lessard; techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Sharp Camcorder VL-E36C - Battery Too Low
Error Message
First, if that model has one, put in a new lithium backup battery. There
was one model that would have that symptom when the backup battery
voltage got too low. Second, use 4.2 volts from your bench supply to
operate the unit. If that doesnt work, you may have to use 3 volts
external power to the loading motor to check the mechanism and get the
tape out. It may be stuck to the drum.
We never had any luck fixing that problem. Sharp had several fixes,
changing ceramic chip caps, changing the battery holder, adjusting the
cut-off voltage to 3.0 volts, etc. Usually we found that with a variety
of batteries some would run the camcorder for a few minutes and some
would run it for an hour and a half, even though the low battery warning
was flashing almost all the time. We finally concluded this was due to
tiny differences in the battery voltage. Either traces on the circuit
board had corroded and were dropping too much of the battery voltage or
the batteries are not what they used to be. This is possible because the
battery manufacturers were required to reformulate the battery materials
and remove some of the things that they were using to keep the voltage
up.
J Silverman
> I apologize for this duplicate post but the first one never got
through
> the server and furthermore I put down the wrong model number - eye
sight
> is not as good as it use to be.
>
>
> Gentlemen,
>
>
>
> I need your help. This camcorder when powered on (with a newly charged
> battery) shows "batter too low" message on the LCD before shutting
down.
> I've tried other batteries and the bench power supply with the same
> results. If I try and eject the tape (which is still inside), I here
the
> gears start to turn, I see the bench supply climb to 1.5A then back
down
> to zero, then it tries to do this all over again. I'm not sure what's
> going on here and would appreciate any help. The customer tells me the
> camcorder is about 8 - 9 years old and this "battery low" problem
> started about a year ago, he thought it was the battery and replaced
it
> and the charger. I can't find anything online with respect to this
> problem.
>
>
>
> Thank-you,
>
>
>
> David Lessard
>
> Alexandria Electronics
>
> 50 Harrison Street
>
> P.O. Box 1366
>
> Alexandria, Ontario.
>
> Canada
>
> K0C-1A0
>
> mr_fixit@xxxxxxxxxxxx
>
>
>
>
>
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