[TechAssist] Re: Samsung TXK2754 KS2A CHASSIS
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 30 Oct 2004 19:55:04 -0400
And if that don't work turn the set on and leave it on and short the pins as
described. Just short bursts. This will probably damage the flyback but
flybacks are cheaper than CRTs. I've tried it and it took the focus short
out.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, October 30, 2004 6:05 PM
Subject: [TechAssist] Re: Samsung TXK2754 KS2A CHASSIS
> Here is a trick to fix some shorts in CRTs. I have tried it to fix G2 to
> focus short and it worked great. Being your tube is toast anyways, you
> could experiment on it.
>
>
> Remove the CRT socket.
> Run a cliplead from cathode to DAG ground.
> Run a cliplead from G1 to a well insulated flat blade screw driver.
> Turn the set on and allow HV to build.
> In one fast motion unplug the set and run the screw driver to the anode.
> There will still be about 10KV left if you are fast.
> Guy Richards
> Richards' TV
> North Andover, MA, 01845
> (978) 682-7137
> richtv@xxxxxxxxxxxx
>
>
> ----- Original Message -----
> From: "Greg's Electronics" <gelectr@xxxxxxxxxxxx>
> To: <servicetalk@xxxxxxxxxxxxxxxx>
> Sent: Thursday, April 05, 2001 2:11 AM
> Subject: CRT shorts (Was: ServiceTalk: RCA T25062)
>
>
>
> >> I thought I saw a repair procedure for this from Ken Hull at one
> >> time. Does anyone remember seeing it? It had something to do with a
> >> G2 to focus short, and burning the short out of the tube with a clip
> lead
> >> with the set on and the CRT socket removed. Does anyone remember this?
> >> I can't seem to find the write up right now.
> >> Greg
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
> 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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