[TechAssist] Re: Mitsubishi CS-40505 arc/snapping... 40" DTV!
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Jun 2005 13:06:52 -0400
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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