[TechAssist] Re: Mitsubishi CS-40505 arc/snapping... 40" DTV!
- From: Randall Torda <lectrics284@xxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Jun 2005 14:01:12 -1000
Phil,
Had the same problems on three Mitsubishi's. One I could repair because
I 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'll
probably 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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