[TechAssist] Re: Panasonic LCD model PT-50LC13

Yeah...that would be the Supplier's stock answer. Like you should have a few
of these on your shelf for backup.;-)

I don't even stock 4' fluorescents for my shop lights, buy them as I need
them.

-Ed-
E. Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message -----
From: "Larry" <schntv@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 21, 2006 12:01 PM
Subject: [TechAssist] Re: Panasonic LCD model PT-50LC13


> trust me, they dont always look bad or broken.
> i have found several bad lamps that look fine.
> I also wish i knew how to check one, but was told by factory
> to just replace it.
> larry
>
>
> peggs wrote:
>
> > It must be obvious when the Lamps are bad then.
> > By that I mean,you must be able to visibly tell that the Lamp has gone
> > bad....... this one is not(visibly).
> > At over $250 a piece,I'd like to have a way to Verify that the Lamp is
bad.
> > I would hate to order one only to find a Bad connection is why it
doesn't
> > lite-up.
> >
> > Peggs
> >
> > At 12:46 PM 2/20/06, J Silverman wrote:
> >
> >>Its an arc lamp so it is not supposed to "measure". An interlock
prevents
> >>you from accessing the kilovolt arc strike and hundreds of high
frequency AC
> >>operating volts. The lamp life varies from one lamp type to another, but
> >>4000 hours is probably a reasonable life to expect. The life is
shortened by
> >>frequent restarts. Panasonic had a ballast mod kit to reduce the strike
> >>voltage, which was causing a reduction in lamp life, for certain models
and
> >>serial numbers. Some brands have no ballast problems but some brands
have a
> >>lot. One servicer that services a lot of LCD and DLP projectors says
that
> >>they always take a ballast along JIC.
> >>Jerry Silverman
> >>Greentron Inc
> >>4 Newland Ave
> >>Greenville SC 29609
> >>Fax/Phone 864 232 3889
> >>mail to: greentron@xxxxxxx
> >>----- Original Message -----
> >>From: "peggs" <peggs@xxxxxxxxxxxxx>
> >>To: <techassist@xxxxxxxxxxxxx>
> >>Sent: Monday, February 20, 2006 4:39 PM
> >>Subject: [TechAssist] Panasonic LCD model PT-50LC13
> >>
> >>
> >>
> >>>My first large screen LCD TV Repair,so excuse the obvious questions.
> >>>I've repaired a few Flat panel monitors,and one small 23" flat panel
> >>>Televison,but this one is new ground for me.
> >>>
> >>>Customer is not happy...... he's replaced the Lamp himself once(a few
days
> >>>out of warranty), that one lasted about a year and his TV is not
working
> >>>again(same symptom).
> >>>
> >>>At Power On,Power Light goes from Red to Green momentarily,then to
Orange
> >>>with 2 quick blinks.....pause....2 quick blinks(and so on).
> >>>Lamp measures open(that is by normal 'projector' bulb standards),that's
my
> >>>first question,How should these Lamps measure ???
> >>>But, I also have no Voltage on the Lamp's Connector........ which begs
my
> >>>2nd question,What Voltage should I measure for the Lamp ???
> >>>
> >>>Looks like a Lamp and Ballast(board) Repair(man,these things are
> >>>expensive),but I thought I better get some input first.
> >>>WinStips seems to agree,but in there I see a KIT (LSUC0022) for the
> >>
> >>Ballast
> >>
> >>>PCB Repair.
> >>>Anybody installed one of these Kits ???
> >>>
> >>>Peggs
> >>>Peggs' Electronics
> >>>1519 West 2nd Street
> >>>Owensboro,KY 42301
> >>>270-926-4968
> >>>fax 270-686-7399
> >>>peggs@xxxxxxxxxxxxx
> >>>
>
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> --
> Schneider TV & Electronic Inc.
> 5415 N. Wooster ave.
> Dover, Ohio 44622       www.geocities.com/schntv2000/
> 330-343-0768         FCC. first class & Extra class K8WLY
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