[TechAssist] Re: Charging Circuit--Riobi 14.5 drill Charger
- From: mebonnell@xxxxxxxxx (Old TV Man)
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 23 Sep 2004 12:50:28 -0500
I just bought a 14.4 drill with charger and several accessories for
$29.99 and am getting a $10.00 rebate. www.heartlandamerica.com
Max Bonnell
Bonnell TV
Robinson, IL
Sender: techassist-bounce@xxxxxxxxxxxxx From:
teltek3@xxxxxxxxxxxx(Tel-Tek=A0Electronics) Date: Thu, Sep 23, 2004,
1:08pm (CDT+1) To: techassist@xxxxxxxxxxxxx Subject: [TechAssist] Re:
Charging Circuit--Riobi 14.4 drill Charger Reply=A0to:
techassist@xxxxxxxxxxxxx
Same thing goes for you...you cheap bugger. With your money...go out and
buy a new one. If he lets you dump your Garbage in his bin....you have a
good starting point.
=A0=A0=A0=A0=A0=A0=A0=A0I sort of kid about this stuff, but you are all
starting to realize, it's really not a worthwhile effort, unless your
own time is written off.
But an answer to Secondary would be at least 25 to 30 volts.
-Ed-
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 23, 2004 9:27 AM
Subject: [TechAssist] Re: Charging Circuit--Riobi 14.4 drill Charger
Speaking of drill chargers, I have one here that I need to replace the
power transformer in it. The primary is open and no thermo fuse. The
drill is a Mastercraft (Canadian Tire, ED- your favourite :) ). How do I
know what secondary voltage to use? The drill is a 14.4V. Off hand, I
would think that around 18V to 20V winding would be about right. The
filter cap on the circuit board is rated 35V. Any ideas?
Now to satisfy the "pitch it and buy new theory", this drill belongs to
a guy who lets me throw all my scrap electronics into his garbage bin in
return for repairing a few things he brings in. I at least need to put
in an effort on these items. In this case I do have a number of power
transformers sitting around doing nothing so parting with one is not a
big deal and it woulf keep me in good company with the bin.
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Edward Gaidies wrote:
Warren;
Depending on the Charger, I would presume you have 12.2V from white to
red, and 12.2V from white red. The white is normally fed back to the
charger to determine when to go into trickle charge mode. The
question.....why are you pissing around with this, when you can go to
Canadian Tire, and buy a Drill with 2 Batteries and a Charger for
$79.95?:-)
Reason these Solid State Components have no part numbers on them, is
because they are not meant to be repaired, and even if there was a part
number, you don't expect to find a Parts Department for this
company....do you????
Come on...Get with the program;-)
I was using a B&D drill for 7 years, Had Internal NI-CAD battery packs
(2). When I wanted to replace the battery packs, they were $47 each. The
new version of this drill was $49 Retail. You must have a Birthday
coming up, or an Anniversary...Treat yourself...and if you can't find
your favourite color.....Paint it. HEHE. Typical Canadian.
-Ed-
**********************************************
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
On 23-Sep-04, at 7:59 AM, Warren C. wrote:
Are you suggesting that this three legged device in the charger is a
protector of
some kind?
A white wire leads to it. The other two wires are red and black of
course.
When you test for vlotage at the battery itself to this third connector
one finds
that it is almost at
ground potential. It's so stupid when companys take the numbers off
parts!! This
ticks me off!!
Warren C.
Roger G wrote:
Third connector usually goes to a thermal protector or some kind of
protector
Roger G.
Mr. Fix-It
Harrisburg, PA 17110 =A0 WebSite- http://mrfixit.netfirms.com
rogerfixit@xxxxxxxx
FAX 510-740-3641; Tel: 717-763-7098 (shop) 717-652-1703(home)
At 11:19 PM 9/22/2004, you wrote:
I hope no one minds this question.
Does anyone have a circuit diagram of this charging unit. The fast
charge light does not come on , only the other two lights.
I also would like to know what the third connector on the battery is
for. When you follow this wire into the charger you come to an output
devise (transistor??) that has no numbers on it. (figures eah)
My theory is that this devise may be bad and the drill batteries are
fine.
BTW the main (-) and (+) connections to the battery are on the left
and
right side and they connect fine.
When you test for voltage in the charger at these two points you get a
reading of 24.6 V
Can you help???
TIA
Warren Campbell
Campbell's TV & Appliances
Cannington ON
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