[TechAssist] Re: Panasonic CT-32HC43G Wont turn on
- From: "Shaun" <satguy@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 27 Feb 2005 10:45:14 -0700
I totally understand what the pin guide is. I removed it and cleaned it and
re applied silicone to it still the same problem. My question to you was if
you remove the crt socket will the set come on and stay on if the pin guide
is the problem.
Shaun
Advanced Electronics
Fort Morgan, CO 80701
satguy@xxxxxxxxxxxxx
----- Original Message -----
From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, February 27, 2005 5:02 AM
Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> If you cannot see the burnt carbon trace then--time is the test. Just for
> verification--I am not talking about the crt socket. I am talking about
the
> little white plastic device that slides over the crt pins ON the crt
> itself--nothing to do with the crt module. The pin guide. I think its
> intention is to keep the pins from getting bent at the base and cracking
the
> glass. I use an exacto to cut into the existing silicone, then 2 small
flat
> blades to pry it off very carefully/slowly. It'll come--dont force it.
> Clean it with the same small flat blade--both crt and guide. Then
resilicone
> like I said in the previous post
>
> TV Doctor
> Avalon, Wi.
>
> ----- Original Message -----
> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, February 27, 2005 1:10 AM
> Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
>
>
> > Just out of curiosity what is the test for this? If you remove the crt
> > socket and try to turn on the one's you have worked on will the set come
> on
> > and stay on with high voltage? I removed the pin guide socket and see no
> > signs of arcing on the socket or the neck of the crt, but I will replace
> the
> > silicone and see what happens although on the set I am working on I
> removed
> > the crt socket and placed the flyback crt anode in a ceramic cup and the
> set
> > still goes into shutdown and I have to remove power to get it to try to
> > power up again each time.
> >
> > Shaun
> > Advanced Electronics
> > Fort Morgan, CO 80701
> >
> > satguy@xxxxxxxxxxxxx
> > ----- Original Message -----
> > From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Saturday, February 26, 2005 7:06 PM
> > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> >
> >
> > > I posted the fix before and didnt see if you had tryed it. I just got
> > > another one yesterday---and the pisser is that I just put a new crt in
> it
> > > the friday before. The usual symptom (and this one had a slightly
> > different
> > > symptom) is that the tv shuts off and will not turn back on till you
> > unplug
> > > it. The symptom on the set I did yesterday was that it would snap and
> > then
> > > they couldn't control the volume until they unplugged and replugged
it.
> > >
> > > The cure was to carefully remove the pin guide on the crt--remove all
of
> > the
> > > old silicone and replace the silcone. I take a swab stick cut at an
> angle
> > > to get the new silicone between the pins so there is no possibility of
> > > another gap. I believe I've done 4 of them now and 2 of them had
> visible
> > > burt carbon traces and this brand new one had an in your face
> > trace---after
> > > one stinking week. All four were 32" sets allthough I understand it
may
> > also
> > > effect 36" sets too. This last set with the brand new crt was the only
> one
> > > that the customer described snapping and visible light coming from the
> > back
> > > of the set. The rest was usaully where they turned it off--and it
would
> > not
> > > come back on.
> > >
> > > TV Doctor
> > > Avalon, Wi
> > > ----- Original Message -----
> > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Saturday, February 26, 2005 6:59 PM
> > > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> > >
> > >
> > > > This set looks like new still inside, no leaking on any caps and no
> > black
> > > > residue anywhere. Found this on the TechAssist website but the cap
in
> my
> > > set
> > > > is good.
> > > >
> > > > 38.) Bob Hibbard, Make: Panasonic, Model: CT36HX41E, Chassis
CT32HX41,
> > > > Problem: Set intermittently shuts down. Must unplug to turn on
again.,
> > > > Cure: C524 (.22uf 100V) in the ABL circuit shorted (no ABL operation
> > > causing
> > > > shutdown) Replace with .22uf 250V device to prevent repeat failure.
> RJH
> > > > I am at a loss on this set I remember at one time someone tried to
> > > download
> > > > the schematic but it didn't work so it was taken off maybe they can
> try
> > to
> > > > upload it again. Leonard Caillouet told me the file name was
> > > > CT-32HC43G_SIMP.zip in the downloads area. I am thinking the problem
> is
> > in
> > > > the ABL or x-ray protect area but I need the schematic and this is a
> > shop
> > > > set so trying to keep the cost down since I already put in a new
> > flyback.
> > > >
> > > > Advanced Electronics
> > > > Fort Morgan, CO 80701
> > > >
> > > > satguy@xxxxxxxxxxxxx
> > > > ----- Original Message -----
> > > > From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Saturday, February 26, 2005 4:16 PM
> > > > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> > > >
> > > >
> > > > > Have seen similar problems like described in other sets due to
caps
> > that
> > > > > leaked electrolyte due to a power surge. I too thought it was a
bad
> > > > flyback,
> > > > > but there was HV or at least some of it partially at times when
the
> > set
> > > > was
> > > > > attempted to power up. The flashing LED is a common association
with
> > the
> > > > bad
> > > > > caps too.
> > > > >
> > > > > Look for swelled domes on electrolytics, or green residue on the
> > > negative
> > > > > leeds on the electrolytics around the flyback, and the STR
> regulators
> > > (if
> > > > > any) in this set.
> > > > > Additionally , turn over the PCB, and on the foil , look for BLACK
> > > > > discoloration on the foil. If you find any, I bet it corresponds
> with
> > > the
> > > > > negative leeds on an electrolytic. If any cap looks like it has
> leaked
> > > > > electrolyte , replace it of course. This set you have is too new
for
> > the
> > > > > caps to have dried out so quick. Power surges, lightning storms
etc
> > > tend
> > > > to
> > > > > make SMPS electrolytics 'pee' or leak out the electrolyte when the
> AC
> > > line
> > > > > frequency becomes erratic or unstable.
> > > > >
> > > > > Steve Hearns
> > > > > Technotronic Dimensions, NY [USA]
> > > > > WWW.TECHNOTRONIC-DIMENSIONS.COM
> > > > > 1-877-817-9885 (Voice / Fax Toll Free - US Only)
> > > > > E-Mail: Steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Saturday, February 26, 2005 4:58 PM
> > > > > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> > > > >
> > > > >
> > > > > OK back to this monster, I replaced the flyback (TXFFTO3GSER)
> original
> > > > part
> > > > > and it still will not come on. When power is pushed I hear a
couple
> > > clicks
> > > > > and then sounds like it is going to come then goes into shut down
> and
> > > the
> > > > > front led blinks 5 times. I have checked diodes and caps but have
> > found
> > > no
> > > > > bad parts. Does anyone have a service manual or any other tips on
> this
> > > > > model?
> > > > >
> > > > > Shaun
> > > > >
> > > > > Advanced Electronics
> > > > > 224 West Riverview Ave.
> > > > > Fort Morgan, CO 80701
> > > > > ----- Original Message -----
> > > > > From: "tvservice" <tvservice@xxxxxxxxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Wednesday, August 18, 2004 3:05 PM
> > > > > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> > > > >
> > > > >
> > > > > > I rang with Sencore LC75 but can't remember the number of rings
it
> > > had.
> > > > I
> > > > > > believe it was questionable like the RCA flybacks
> > > > > > Robert
> > > > > > tvservice@xxxxxxxxxxxxx
> > > > > > H & H Electronics Inc
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > > Sent: Wednesday, August 18, 2004 2:46 PM
> > > > > > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> > > > > >
> > > > > >
> > > > > > > Did you just replace it or did you ring the flyback?
> > > > > > >
> > > > > > > Shaun
> > > > > > >
> > > > > > > Advanced Electronics
> > > > > > > 224 West Riverview Ave.
> > > > > > > Fort Morgan, CO 80701
> > > > > > > ----- Original Message -----
> > > > > > > From: "tvservice" <tvservice@xxxxxxxxxxxxx>
> > > > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > > > Sent: Wednesday, August 18, 2004 1:35 PM
> > > > > > > Subject: [TechAssist] Re: Panasonic CT-32HC43G Wont turn on
> > > > > > >
> > > > > > >
> > > > > > > > Have seen several bad flybacks in that model causing that
> > symptom
> > > > > > > > flyback T551 part number TXFFT03GSER
> > > > > > > > HTH
> > > > > > > > Robert
> > > > > > > > tvservice@xxxxxxxxxxxxx
> > > > > > > > H & H Electronics Inc
> > > > > > > > ----- Original Message -----
> > > > > > > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > > > > > > To: "tech" <techassist@xxxxxxxxxxxxx>
> > > > > > > > Sent: Wednesday, August 18, 2004 11:05 AM
> > > > > > > > Subject: [TechAssist] Panasonic CT-32HC43G Wont turn on
> > > > > > > >
> > > > > > > >
> > > > > > > > > This is a 2003 set that the customer said he only has had
> for
> > a
> > > > > month
> > > > > > > and
> > > > > > > > > bought it as-is. It will try to turn on sounds like
> > high-voltage
> > > > > tries
> > > > > > > > then
> > > > > > > > > shuts down and the front panel light will start blinking
> very
> > > > slowly
> > > > > > > about
> > > > > > > > > 4-5 times. I must unplug it to get it to do anything after
> > each
> > > > > time.
> > > > > > > Has
> > > > > > > > > anyone seen one of these of have any tips, or have a
manual?
> > > > > > > > >
> > > > > > > > > Shaun
> > > > > > > > >
> > > > > > > > > Advanced Electronics
> > > > > > > > > 224 West Riverview Ave.
> > > > > > > > > Fort Morgan, CO 80701
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>
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