[TechAssist] Re: Samsung TXK2754 KS2A CHASSIS
- From: Alvin Rose <ajroseca@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 30 Oct 2004 18:54:15 -0230
Hi Kevin
with the picture tube socket connected, the set draws a lot
of current when the filament heats up..so I guess that a could
damage the hot..The current is normal on the isolation supply
meter with the crt socket disconnected..Output transistor
checks ok.
Alvin
Kevin wrote:
>I have a TXJ2754 with a shorted picture tube. Hot and a Fet were
>shorted and tube arcs internally when turned on after parts replaced.
>Tube measures totally dead and heaters do not even light up with tester.
>
>
>Kevin Wilks
>Kevin's TV & Video Repair
>Penticton BC Canada
>kevintv@xxxxxxx
>
>
>-----Original Message-----
>From: techassist-bounce@xxxxxxxxxxxxx
>[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Alvin Rose
>Sent: Saturday, October 30, 2004 1:57 PM
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Samsung TXK2754 KS2A CHASSIS
>
>Hi techs
>We have a Samsung KS2A chassis which customer says had no
>picture..just a lit screen with retrace lines..When we turned it on it
>shut down after the picture tube filament heated up.I disconnected
>the socket from the picture tube and it draws normal current and does
>not shut down..It looks like a shorted picture tube..Has anyone had
> this problem with this KS2A chassis and is there a repair for it.
>Alvin Rose
>Radio & Tv Centre
>Marystown, NL
>
>
>
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