[TechAssist] Re: GE microwave, GSU0421B- sliced keypad ribbon cable

  • From: "Ken Dinckan" <kdinckan@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 6 Feb 2002 22:55:30 -0800

Hi Gary
I agree for all
and this was a very good response for this fellow

Ken Dinckan
ALL Tv&Appliance Service
2747 Roosevelt Street # B
Carlsbad CA, 92008
tel: (760)434-1131
fax: (760)434-8856
email to : kdinckan@xxxxxxx
----- Original Message -----
From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 07, 2002 10:31 AM
Subject: [TechAssist] Re: GE microwave, GSU0421B- sliced keypad ribbon cable


>
> Well, I'll tell ya. For all the "illegal" things I've done to electronic
> equipment, I ought
> to be in jail for about 1000 years. In this business if you have to
> worry about every little
> alteration that is made, you not gonna get any sleep and you'll lose out
> on a number of jobs
> because of expense to buy original parts. If what you are saying is
> true, then I suggest that any time you replace a transistor with an ECG
> sub, you are also breaking the law for not installing the original part.
> The ECG might not have the same specs as the original and for heavens
> sakes could start a fire!!!!
>
> My theory is, that as long as you replace parts with same or better
> specs, even if you have to make alterations, you'll be doing you and
> your customer a favor. My customers are always very happy when I tell
> them that they have saved money or even saved there equipment from the
> scrap yard because of alterations I've made. Maybe where you are from
> there could be legal problems, but where I'm from, I've never heard of
> it.
> Tell me how a jumper on a microwave keypad ribbon cable is gonna cause a
> safety problem. You might be thinking something like, "well, if the
> connection comes loose and shorts out to another conductor causing the
> start button to be activated..." well, BS to that. My job would be neat
> and that wouldn't have a chance of happening.
>
>
>
> Some of the things I've done that you wouldn't approve of are:
>
>
> -using a 9V motor in a cassette deck instead of a 12V, and installing my
> own 7809 voltage regulator to bring the B+ down to 9v to run the motor
>
> -taking the top plate off a bad magnetron and installing it on a
> replacement magnetron because the mounting tabs of the plate onf the
> replacement were oriented the wrong way.
>
> -jumpering 40 traces on a cracked TV main board instead of buying a new
> board
>
> -in a power supply, using two 2200uF capacitors in parallel instead of
> one 3900uF.
>
> - when a multiple winding transformer opened in a stereo receiver power
> supply, I install three separate transformers in order to make up all
> the required voltage outputs
>
> - plastic button array no longer available on a TV set- solution,
> install my own bank of push button switches instead
>
> -replace picture tubes with numbers that don't anywhere match the
> original
>
> -replace yokes with windings that are different than the original
>
> - replace relays with ones that did not match, sometimes have to drill
> new holes in circuit board to make them fit.
>
>
>
>
> Is this enough, or are you having a heart attack by now?
>
>
> Next time, I might be writing you from jail.
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63@xxxxxxxxxxxxx
>
>
>
>
>
>
>
>
>
>
> HSWAD@xxxxxxx wrote:
> >
> > All the things you are attempting to do are illegal. Purchase a proper
new
> > part or give it back to your customer.  If you jury rig and it fails you
are
> > liable. 45 years experience here. Hollis
> >
> >                  In a message dated 2/7/02 11:49:23 AM Eastern Standard
Time,
> > number63@xxxxxxxxxxxxx writes:
> >
> > << Subj:     [TechAssist] Re: GE microwave, GSU0421B- sliced keypad
ribbon
> > cable
> >  Date:  2/7/02 11:49:23 AM Eastern Standard Time
> >  From:  number63@xxxxxxxxxxxxx (Gary McCartney)
> >  Sender:    techassist-bounce@xxxxxxxxxxxxx
> >  Reply-to:  techassist@xxxxxxxxxxxxx
> >  To:    techassist@xxxxxxxxxxxxx
> >
> >
> >  Ya, I think I am pretty well screwed on this one. The conductors are
not
> >  copper. They are some type of painted -on substance. I also can't dig
> >  them out of the plastic. I've tried scraping and grinding and slicing,
> >  but can't reveal the conductor. I haven't ripped the keypad away from
> >  the plastic frame but I'm fairly sure that the ribbon cable and keypad
> >  are all one piece.
> >
> >  Thanks for the reply.
> >
> >
> >  If anyone has some microwave keypads laying around that you are willing
> >  to part with
> >
> >  , I have posted a picture at:
> >
> >  http://www.number63.ca/microwave.jpg
> >
> >
> >  I do not anticipate at this point that there is any problem with the
> >  control panel.
> >
> >
> >
> >  Gary McCartney
> >
> >  McCartney Electronics
> >  7134 Fife Rd, RR 7
> >  Guelph Ontario Canada N1H 6J4
> >  Fax: (519)821-1530
> >  email: number63@xxxxxxxxxxxxx
> >
> >
> >
> >
> >
> >  J Silverman wrote:
> >  >
> >  > If you can expose enough of the traces and if they are copper you may
be
> >  > able to solder a jumper wire across the break. I have done this on
> > camcorder
> >  > ribbon cables where there was lots of $ at stake. Sometimes the
copper is
> > so
> >  > thin and narrow it just falls apart in the soldering. I dont believe
that a
> >  > paint will work as there is no way to support the ribbon cable.
Sometimes I
> >  > just remove the ribbon cable and replace the whole thing with wires.
If the
> >  > buttons and ribbon cable are one piece that wont work for you.
> >  > Jerry Silverman
> >  > Greentron Inc
> >  > 4 Newland Ave
> >  > Greenville SC 29609
> >  > 864 232 3889
> >  > Fax 271 2080
> >  > mailto:greentron@xxxxxxx
> >  > ----- Original Message -----
> >  > From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
> >  > To: <techassist@xxxxxxxxxxxxx>
> >  > Sent: Wednesday, February 06, 2002 9:14 PM
> >  > Subject: [TechAssist] Re: GE microwave, GSU0421B- sliced keypad
ribbon
> > cable
> >  >
> >  > >
> >  > > Ken, many of the US 1-800 numbers will work from here. There are
some,
> >  > > however that don't.
> >  > > I have heard that there is an intermediate number that can be
called and
> >  > > the charge is from the caller to the US border only. Not sure if it
> >  > > works or not.
> >  > >
> >  > > This microwave is just a small one so the customer is not likely
gonna
> >  > > want it fixed if I have to order a keypad, so either I have to
bridge
> >  > > the trace in the flexible cable or forget it. I am experimenting
with
> >  > > grinding the plastic with my dremel. May or may not work. Then if I
get
> >  > > the trace bare, I'll get some of that rear window defogger repair
> >  > > compound. I haven't had any luck with the rubber keypad repair kits
for
> >  > > remotes.
> >  > >
> >  > > Ya, the customer must have got his tools against the flex cable and
> >  > > split it open because he sure did a winning job at re-installing
the
> >  > > interlock switch. Looked like something Red Green would
attempt....duct
> >  > > tape.
> >  > >
> >  > >
> >  > >
> >  > > Gary McCartney
> >  > >
> >  > > McCartney Electronics
> >  > > 7134 Fife Rd, RR 7
> >  > > Guelph Ontario Canada N1H 6J4
> >  > > Fax: (519)821-1530
> >  > > email: number63@xxxxxxxxxxxxx
> >  > >
> >  > >
> >  > >
> >  > >
> >  > > gulftech@xxxxxxxx wrote:
> >  > > >
> >  > > > Gary,
> >  > > >
> >  > > > Have never had any luck trying to fix a keypad.  What a dork your
> >  > > > customer is!!!  The keypad peels off of the front panel.  Clean
the
> >  > > > residue well before applying the new one, or it will not be
smooth.
> > Try
> >  > > > Global--see below.
> >  > > >
> >  > > > Ken,
> >  > > >
> >  > > > I have worked on microwaves for 10 years.  That's the first time
I ever
> >  > > > heard a magnetron referred to as a tube.  Call Global
Micro-Parts,
> >  > > > 1-800-325-8488.  Please start a new post with a new topic.  BTW,
you'll
> >  > > > need a number of the magnetron.
> >  > > >
> >  > > > Gary--  Please don't laugh.  This is a serious question.  Do U.S.
800
> >  > > > numbers work in Canada?
> >  > > >
> >  > > > Ken Smith
> >  > > > Gulf Technical Services
> >  > > > 3034 Gulf Breeze Parkway
> >  > > > Gulf Breeze, FL  32563
> >  > > > 850-934-8324 (Voice) 850-932-0819 (Fax)
> >  > > >
> >  > > > On Wed, 6 Feb 2002 03:48:39 -0800 "Ken Dinckan"
<kdinckan@xxxxxxx>
> >  > > > writes:
> >  > > > >
> >  > > > > Hi Gary
> >  > > > > you can probably try that conductive material they use for the
worn
> >  > > > > remote
> >  > > > > control buttons.. I never tried but it might work just to give
you
> >  > > > > idea..
> >  > > > > See if it is helps
> >  > > > > I just had one Emerson Microwave and Tube is gone and called
Fox
> >  > > > > they want $97.80 plus shipping. This Emerson has bad repitation
for
> >  > > > > me. So
> >  > > > > do you have any used tubes laying around??
> >  > > > >
> >  > > > > Ken Dinckan
> >  > > > > ALL Tv&Appliance Service
> >  > > > > 2747 Roosevelt Street # B
> >  > > > > Carlsbad CA, 92008
> >  > > > > tel: (760)434-1131
> >  > > > > fax: (760)434-8856
> >  > > > > email to : kdinckan@xxxxxxx
> >  > > > > ----- Original Message -----
> >  > > > > From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
> >  > > > > To: <techassist@xxxxxxxxxxxxx>
> >  > > > > Sent: Wednesday, February 06, 2002 3:33 PM
> >  > > > > Subject: [TechAssist] GE microwave, GSU0421B- sliced keypad
ribbon
> >  > > > > cable
> >  > > > >
> >  > > > >
> >  > > > > >
> >  > > > > > I have this microwave oven which the customer attempted to
repair
> >  > > > > > himself. He had duct tape wound around the primary interlock
> >  > > > > switch and
> >  > > > > > the switch was busted. After I replaced the switch and
checked all
> >  > > > > the
> >  > > > > > interlock switches, I plugged the oven in and wasn't able to
> >  > > > > control the
> >  > > > > > keypad except for the defrost and clear buttons. Then I
noticed
> >  > > > > that 3
> >  > > > > > traces in the flexable ribbon cable from the keypad to the
control
> >  > > > > panel
> >  > > > > > were sliced. Does anyone have a way of repairing this, other
than
> >  > > > > > ordering a new keypad? The traces are sandwiched in plastic
and
> >  > > > > they are
> >  > > > > > made of that nasty un-solderable conductive material. I tried
to
> >  > > > > scrape
> >  > > > > > the plastic down to the traces but was not successful. Can
the
> >  > > > > keypad be
> >  > > > > > removed from the plastic front panel which it seems to be
> >  > > > > permanently
> >  > > > > > part of?
> >  > > > > >
> >  > > > > > Thanks for any help.
> >  > > > > > --
> >  > > > > >
> >  > > > > >
> >  > > > > >
> >  > > > > > Gary McCartney
> >  > > > > >
> >  > > > > > McCartney Electronics
> >  > > > > > 7134 Fife Rd, RR 7
> >  > > > > > Guelph Ontario Canada N1H 6J4
> >  > > > > > Fax: (519)821-1530
> >  > > > > > email: number63@xxxxxxxxxxxxx
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> --
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63@xxxxxxxxxxxxx
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