[TechAssist] Re: Mitsubishi CS-40505 arc/snapping... 40" DTV!
- From: tjanphyl@xxxxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Jun 2005 20:19:29 -0400
I will try a combination of bed springs, pie plates, car jumper cables
and clothes pins in a makeshift focus assembly...kidding. I did indeed
see corrosion on one of the sparkgap assys. I will tear down,clean and
seal. If moisture caused this I can and will remove it.
Phil Bader
----- Original Message -----
From: Randall Torda <lectrics284@xxxxxxxx>
Date: Wednesday, June 22, 2005 8:01 pm
Subject: [TechAssist] Re: Mitsubishi CS-40505 arc/snapping... 40" DTV!
> Phil,
>
> Had the same problems on three Mitsubishi's. One I could repair
> becauseI had a replacement socket.
> Two had to go to the dump. Tried silicone on the two that went to
the
> dump...never worked. In Hawaii
> the humidity is too high and the silicone never hold up and sets came
> back. I assume the himidity in
> Florida is the same like Hawaii. If you take apart the spark gap
> you'llprobably see all green or carbon
> tracks. The focus pins is too close to each other and silicone jobs
> becomes a mess...learned the hard way.
> I would try all possible means before it goes to the boneyard.
>
> Autolectrics
> Randall Torda
> 284 Makua Street
> Wailuku, HI 96793
>
>
> On Wed, 22 Jun 2005 13:06:52 -0400 Phil Bader
> <tjanphyl@xxxxxxxxxxxxxxx>writes:
> > I removed the back, turned it on. The snap was from the CRT neck
> > area. I
> > unplugged the CRT board and hung it loose.Powered set on and
> looked
> > at
> > the board...the arc/snap showed it was going from one focus pin
> to
> > the
> > other across the top of the socket plug holes. This CRT socket
> has
> > two
> > seperate pins together I assume are focus. It's these. Is this
> a
> > socket
> > issue, do I open it and scrape it, Think it's excessive focus
> > voltage
> > from a bad fly?
> > If socket is bad, wonder if I can pack with silicon RTV...
> > Phil Bader
> >
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > Fax (863) 299-8821
> > email: tjanphyl@xxxxxxxxxxxxxxx
> >
> >
> >
> > Randall Torda wrote:
> >
> > >Check the CRT socket spark gap for carbon tracks or corrosion.
> > >The socket is a special size and is NLA from Mitsubishi.
> > >The bad socket will usually have focus problems, startup or
> > >shutdown problems. Had one about a month ago and that
> > >monster went to the landfill because of NLA parts.
> > >
> > >Autolectrics
> > >Randall Torda
> > >284 Makua Street
> > >Wailuku, HI 96793
> > >
> > >On Wed, 22 Jun 2005 09:33:34 -0400 Phil Bader
> > <tjanphyl@xxxxxxxxxxxxxxx>
> > >writes:
> > >
> > >
> > >>This set is 9 years old.I didn't know Mits made a 40 inch
> direct
> > view
> > >>
> > >>TV! Or anyone back then.
> > >>Customer said it started out getting as bit blurry (focus
> poor)
> > then
> > >>a
> > >>series of HV arc- snaps getting worse as time went on.
> > >>Anyone work on these behemouths?
> > >>Phil Bader
> > >>
> > >>--
> > >>
> > >>Philip Bader
> > >>Jan Phyl TV Inc. (estab. 1976)
> > >>3420 Recker Hwy. Winter Haven, Fl. 33880
> > >>Fax (863) 299-8821
> > >>email: tjanphyl@xxxxxxxxxxxxxxx
> > >>
> > >>
> > >>
> > >>
> >
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