[TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)
- From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 18 Oct 2001 21:08:56 -0400
I've seen 99 units with bad CRT's.
Jeff www.9-11-2001tragedy.com
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----- Original Message -----
From: "Jerry" <geiting@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 18, 2001 3:49 PM
Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)
>
> The 80's were ok, it was about '92 or so is when they perfected the self
> shorting crt.
> Jerry
> geiting@xxxxxxxxxx
>
> ----- Original Message -----
> From: <DAMON101@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 18, 2001 1:28 PM
> Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)
>
>
> |
> | Hey Al, what's the "bad crt years" ? 1980 -1999?
> | Damon Brunger
> | damon101@xxxxxxxxxxxxxx
> |
> | ----- Original Message -----
> | From: "AL LEATHERMAN" <alleathe@xxxxxxxxxxxxx>
> | To: <techassist@xxxxxxxxxxxxx>; <gulftech@xxxxxxxx>
> | Sent: Wednesday, October 17, 2001 6:55 PM
> | Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead set)
> |
> |
> | >
> | > Chaz,
> | > Never, EVER spend a lot of time and parts on that Zenith. It could
> have
> | > been hit by lightning AND have a bad CRT from before. I only fix the
bad
> | crt
> | > years if its fast and easy. I bet you aren't getting much for it
either.
> | > Good luck. al
> | >
> | > May God give us strength
> | > Al's TV
> | > 224 Rt. 46
> | > Mine Hill, NJ. 07803
> | > 973-361-5796
> | > alleathe@xxxxxxxxxxxxx
> | > ----- Original Message -----
> | > From: "Chaz" <chaz@xxxxxxxxxxx>
> | > To: <gulftech@xxxxxxxx>; <techassist@xxxxxxxxxxxxx>
> | > Sent: Wednesday, October 17, 2001 7:54 PM
> | > Subject: [TechAssist] Re: Zenith SM2727RK - hit by lightning (dead
set)
> | >
> | >
> | > >
> | > > Well, I didn't want to have to admit to this at first - from
> experience
> | > with other
> | > > sets - since I was hoping there was a chance the CRT and/or
circuitry
> | was
> | > > desgined better than those I'd worked on in the past.
> | > >
> | > > Your suggestion has already been considered but, I'll first give
> | everyone
> | > else
> | > > their chance to add to or against this theory/experience of ours :)
> | > >
> | > > Thanks
> | > > Chaz
> | > >
> | > > >
> | > > > 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
> | > > > > Help make your TechAssist online repair tips
> | > > > > database better! Submit your fixes here:
> | > > > > http://www.circuitwork.com/techassist/tip/#tips
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> | > > > > techassist-request@xxxxxxxxxxxxx
> | > > > > with unsubscribe in the subject line.
> | > > >
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> |
> | Help make your TechAssist online repair tips
> | database better! Submit your fixes here:
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>
>
>
> Help make your TechAssist online repair tips
> database better! Submit your fixes here:
> http://www.circuitwork.com/techassist/tip/#tips
> To unsubscribe write to:
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> with unsubscribe in the subject line.
>
>
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