[TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)

  • From: "joey baker" <docwade2@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>, "fantaj" <fantaj@xxxxxxx>
  • Date: Wed, 17 Oct 2001 20:12:10 -0400

It took exactly 73 seconds for this same message to ping me back ........
Quick server !!!! Much faster than repairworld ....
----- Original Message -----
From: "joey baker" <docwade2@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>; "fantaj" <fantaj@xxxxxxx>
Sent: Wednesday, October 17, 2001 8:09 PM
Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)


>
> I give this advise .......If it is a Zenith with a bad tube BAIL on it .
> Advise the customer about Zenith's recent problem with CRT's and cut your
> losses .
>          docwade2@xxxxxxxx  Hello LEATHERMAN !
> ----- Original Message -----
> From: "Chaz" <chaz@xxxxxxxxxxx>
> To: "fantaj" <fantaj@xxxxxxx>; <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 17, 2001 8:12 PM
> Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)
>
>
> >
> > Thank you for your input.  I also recieved Fuzz's info file detailing
this
> idea -
> > thanks to Doug Keller.
> >
> > Chaz
> > -------
> >
> > >
> > > You can change how the crt filaments gets its voltage by doing a wire
> wrap
> > > of the IHVT and cutting the old leads.
> > > it does work and should also explain to customer you saved the crt.
> > > fuzzzzzzz
> > > ----- Original Message -----
> > > From: <gulftech@xxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Cc: <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, October 17, 2001 9:37 AM
> > > Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead
set)
> > >
> > >
> > >
> > > Chaz,
> > >
> > > I had an 8th grade English teacher with a sign on the chalkboard which
> > > read: "Fail now.  Avoid the June rush."  I will adapt that to say to
> you:
> > >  Bail now.  Avoid losing your shirt.
> > >
> > > There is every indication that the crt has been giving problems for
some
> > > time ("The video would go out (white screen) and after powering off to
> > > cool down, the video would appear again.")  The customer MAY have been
> > > hit by lightning, but a better chance the crt took out the p/s.  At
any
> > > rate, if you fix the chassis, it will come back to bite you.
> > >
> > >
> > > Ken Smith
> > > Gulf Technical Services
> > > 3034 Gulf Breeze Parkway
> > > Gulf Breeze, FL  32561
> > > 850-934-8324 (Voice) 850-932-0819 (Fax)
> > >
> > > ---------------------
> > >
> > > On Tue, 16 Oct 2001 23:12:10 -0500 "Chaz" <chaz@xxxxxxxxxxx> writes:
> > > >
> > > > Late yesterday, I recieved a hi-fi Zenith TV that had been hit with
> > > > lightning
> > > > (SM2727RK).  I checked everything on Tech- Assist, even for close
> > > > numbers,
> > > > and found nothing.
> > > >
> > > > Visual inspection shows blown FX3401 fuse, and what looks like the
> > > > p.s.
> > > > bridge of diodes (burnt) close to the ICX3431 (I believe) STR????
> > > > regulator.  I
> > > > can't read anything on these diodes nor make out well the PCB
> > > > location
> > > > descripts.  I also suspect that the STR4400 (not able to read well
> > > > either) volt-
> > > > reg is shorted - ohming it says so anyway.  Without knowing what
> > > > these
> > > > parts are, and resourcing cost of regulator, I can't do much with it
> > > > right now
> > > > w/o chancing more part damage.  Customer wants it fixed but also is
> > > > a little
> > > > short on budget.  Anyone have any ideas, schem, or tips on this.
> > > > Part
> > > > descriptions would be a big help to start with.
> > > >
> > > > I'm not sure of the chassis number for this but, the only label I
> > > > found in the
> > > > unit shows SM2727Rk  EU-593  F49702  (numbers under each other).
> > > >
> > > > Customer had said before it got hit with lightning, that the video
> > > > would go out
> > > > (white screen) and after powering off to cool down, the video would
> > > > appear
> > > > again.  He said he "just lived with it until this happened".
> > > >
> > > > Thanks in advance.
> > > > Chaz
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>
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