[TechAssist] Re: Hitachi 50EX39B Shutsdown : Vibration Sensitive
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 1 Jul 2003 11:57:06 -0400
I had a Panasonic PTV a long time ago that had the same symptoms. Drove me
in circles for awhile. It ended up being a cracked leg off the hot body.
al marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx>
Sent: Monday, June 30, 2003 10:56 PM
Subject: [TechAssist] Hitachi 50EX39B Shutsdown : Vibration Sensitive
>
> Make : Hitachi
> Model : 50EX39B
> Problem : Shuts down intermittently.
>
> Set will come one perfect....give the set a bump and it shuts down.
Protect
> light in SMPS flashes.
>
> Okay...should be easy enough....faulty connections somewhere!
>
> Weeeeeellll. Looked this chassis over really well.....no sign of any
> faulty connection. When the set is one , I can gently tap the power
> supply/deflection board and it will shut down.
>
> I think were looking at a possible cracked trace somewhere but haven't
> located it yet.
>
> Is there any intermittent spots others may have encountered on this newer
> ( 4 year old) chassis?
>
>
> ==========================
> Jeff Stielau
> Shoreline Electronics Repair
> 344 East Main Street
> Clinton,CT 06413
> 860-399-1861
> 860-664-3535 (fax)
> jstielau@xxxxxxxx
> ==========================
> "If you push something hard enough it will fall over."
> Fudd's First Law of Opposition - Sir Sidney Fudd
>
>
>
>
>
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