How do I remove deflection yoke?
Barbizilla
the picture tube, (no hose clamp found).. Can this yoke be removed without
doing damage to the picture tube?
RCA Model G25170WK, CTC167C, picture tube number is A63ADT10X05-1.
Thanks.
Barbizilla
glued to the picture tube. How can this yoke be removed without doing damage
to the picture tube? RCA model G25170WK, CTC 167C, picture tube number
A63ADT10X05-1.
Thanks.
Andy Cuffe
>
> I have a RCA 25" TV with a bad deflection yoke. It appears to be glued onto
> doing damage to the picture tube?
> Thanks.
No, these yokes are not designed to be removed. There is a warning on
the CRT label telling you not to try to remove the yoke. Even if you
could remove the yoke you wouldn't be able to find a replacement. This
is just one more reason not to buy Thomson TVs.
--
Andy Cuffe
balt...@psu.edu
Mark Slagell
Thomson yokes a couple of times. You won't be able to replace it unless
you happen to have an identical tube with some unrelated problem (and a
customer that agrees on having that kind of repair done -- obviously in
the case of a 35" tube it will be the difference between it being worth
doing or not, since we all know what those tubes cost).
In my experience, the only place these yokes are bonded is at the bases
of the four threaded posts at their outside corners. Use a razor blade
to slowly work around those bases until the threaded posts can turn a
little. Loosen the conventional clamp around the neck of the tube, and
the yoke should slide right off.
-- Mark
Joe Bloe
barbi...@aol.com says...
>
>I have a RCA 25" TV with a bad deflection yoke. It appears to be glued onto
>the picture tube, (no hose clamp found).. Can this yoke be removed without
>doing damage to the picture tube?
>RCA Model G25170WK, CTC167C, picture tube number is A63ADT10X05-1.
>Thanks.
Good luck gettin it off....
PWhite4
the neck of the tube. It sounds like you have a bonded yoke and it is not ment
to be taken off for replacement. A new or rebuilt picture tube for your set
will come with a bonded yoke also. If you can get a part number for the proper
yoke and can get the the convergence magnet assembly that will fit your tube
then go ahead and saw and twist the yoke off the tube. That would be cheaper
than another picture tube. But an expensive guess if the yoke isn't the
problem. Can you substitute vert. drive from a sweep generator or function
generator to see if you can get some deflection?? Good luck.
PW
Joe Bloe
>
>Barbizilla wrote:
>>
>> I have a RCA 25" TV with a bad deflection yoke. It appears to be glued onto
>> doing damage to the picture tube?
>> Thanks.
>
>the CRT label telling you not to try to remove the yoke. Even if you
>could remove the yoke you wouldn't be able to find a replacement. This
>is just one more reason not to buy Thomson TVs.
>--
>Andy Cuffe
>balt...@psu.edu
With all respect Andy, yokes hardly EVER go bad anymore.
Thomson OR other
Andy Cuffe
True, but the post is about haw to remove the bonded yoke, not about
wherther or not the yoke is bad.
--
Andy Cuffe
balt...@psu.edu
TV-Man
Joe Bloe wrote in message ...
RalphWM
and wind up litterally getting cut into a thousand piceces from the glass that
goes flying the the CRT implodes!
Additionally, even IF you could remove the yoke without killing yourself, you
will not be able to buy a replacement. The Yoke is only sold as part of the
CRT assembly.
Ralph
>Subject: How do I remove deflection yoke?
>From: barbi...@aol.com (Barbizilla)
>Date: 7/15/98 7:47 PM Eastern Daylight Time
>Message-id: <199807152347...@ladder01.news.aol.com>
>
>I have a RCA 25" TV with a bad deflection yoke. It appears that the yoke is
>glued to the picture tube. How can this yoke be removed without doing damage
>to the picture tube? RCA model G25170WK, CTC 167C, picture tube number
>A63ADT10X05-1.
>Thanks.
>
>
>
Jerry G.
that tube, they will have a solvent for that. RCA recomends changing
the tube if the yoke goes bad. I don't believe they sell the yoke
seperatly. The convervengce is done with a convergence band
technique, and is complex to do...
Once you remove this type of yoke, you will have a very hard time to
line things up again. This is gauranteed!!!
--
=====================================
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============= Message Seperator ================
Barbizilla wrote in message
<199807152313...@ladder01.news.aol.com>...
|I have a RCA 25" TV with a bad deflection yoke. It appears to be
glued onto
|the picture tube, (no hose clamp found).. Can this yoke be removed
without
|doing damage to the picture tube?
Barbizilla
board. The yokes horiz. section is bad. I installed the chassis in another
tv and it works great. When used with the original yoke it would short the
horiz. output transistor the instant the tv was turned on. (did it 3 times) I
took a ball peen hammer to the yoke hoping this would break it free. I broke
the pic tube and a big chunk of glass flew at me and embedded itself in my
upper chest. Just kidding. I am going to forget about trying to get the yoke
off and will replace the pic tube. Thanks again to all.
Joe Bloe
>
>Joe Bloe wrote:
>>
>> In article <35AD64...@psu.edu>, balt...@psu.edu says...
>> >
>> >Barbizilla wrote:
>> >>
onto
>> >> the picture tube, (no hose clamp found).. Can this yoke be removed
without
>> >> doing damage to the picture tube?
>> >> RCA Model G25170WK, CTC167C, picture tube number is A63ADT10X05-1.
>> >> Thanks.
>> >
>> >the CRT label telling you not to try to remove the yoke. Even if you
>> >could remove the yoke you wouldn't be able to find a replacement. This
>> >is just one more reason not to buy Thomson TVs.
>> >--
>> >Andy Cuffe
>> >balt...@psu.edu
>>
>> With all respect Andy, yokes hardly EVER go bad anymore.
>> Thomson OR other
>
>wherther or not the yoke is bad.
>--
>Andy Cuffe
>balt...@psu.edu
My point is since they hardly ever go bad, since late 70's (GE YC/YA chassis)
why say this is a reason to avoid Thomsen?.
Joe Bloe
>
>I had 2 go bad this year shorted out and turn black inside the yoke.
>
>
>Joe Bloe wrote in message ...
>>>
>>>Barbizilla wrote:
>>>>
>>>> I have a RCA 25" TV with a bad deflection yoke. It appears to be glued
>onto
>>>> the picture tube, (no hose clamp found).. Can this yoke be removed
>without
>>>> doing damage to the picture tube?
>>>> RCA Model G25170WK, CTC167C, picture tube number is A63ADT10X05-1.
>>>> Thanks.
>>>
>>>No, these yokes are not designed to be removed. There is a warning on
>>>the CRT label telling you not to try to remove the yoke. Even if you
>>>could remove the yoke you wouldn't be able to find a replacement. This
>>>is just one more reason not to buy Thomson TVs.
>>>--
>>>Andy Cuffe
>>>balt...@psu.edu
>>
>> With all respect Andy, yokes hardly EVER go bad anymore.
>> Thomson OR other
>>
>
May I ask what brand(s)?
I am a Thomsen certified warranty servicer and also service any make
I haven't had one in YEARS.
You must do a shitload of repairs.......
>
Joe Bloe
>
I can eat crow, I have never attempted to remove one.
>Let's answer the question, since it was asked. I have removed bonded
>Thomson yokes a couple of times. You won't be able to replace it unless
>you happen to have an identical tube with some unrelated problem (and a
>customer that agrees on having that kind of repair done -- obviously in
>the case of a 35" tube it will be the difference between it being worth
>doing or not, since we all know what those tubes cost).
>
>In my experience, the only place these yokes are bonded is at the bases
>of the four threaded posts at their outside corners. Use a razor blade
>to slowly work around those bases until the threaded posts can turn a
>little. Loosen the conventional clamp around the neck of the tube, and
>the yoke should slide right off.
>
> -- Mark
>
>Andy Cuffe wrote:
>>
Tom MacIntyre
> My point is since they hardly ever go bad, since late 70's (GE YC/YA chassis)
>why say this is a reason to avoid Thomsen?.
>
There's no real reason to avoid Thomson...or any other producer of
quality consumer electronics. There's a thread going on this group
about power-factor/current and voltage lagging and leading...how about
the lag between cause and effect...?...by the time a company is
condemned, they may already have solved a problem; in the case of a
fledgling, upstart company, it may be too late...in the case of
Thomson/Zenith/etc, they probably tough it out. Thomson has had a lot
of problems BUT they have looked after their customers too...it
balances out, hopefully. Let's start a list of PERFECT TV's, VCR's etc
here...after two weeks, we can go to 90% perfect. I already know the
perfect VCR...my mother's Fisher is 13 years old, and has had lots of
use, and NO major repairs...my late father picked a good one, but ...
how do you know?!?!?!
Tom
Ralph L.
>In article <199807152313...@ladder01.news.aol.com>,
>barbi...@aol.com says...
>>
>>I have a RCA 25" TV with a bad deflection yoke. It appears to be glued onto
>>the picture tube, (no hose clamp found).. Can this yoke be removed without
>>doing damage to the picture tube?
>>RCA Model G25170WK, CTC167C, picture tube number is A63ADT10X05-1.
>>Thanks.
>
> That is called a "bonded" yoke.
>
Joe, This is correct. It is called a bonded yoke. In simple
terms it means the static and dynamic convergence is set and the yoke
is then glued to the bell of the pix tube. I've never seem them
removed for replacement. BE CAREFUL !!!! The bell of the tube is
the thinnest part of the tube and the most fragile. The last thing
you need is a tube to implode! Ralph
Steve Helling
Tom MacIntyre wrote in message <35affa89...@nr1.ottawa.istar.net>...
>m...@hotmail.com (Joe Bloe) wrote:
>
>
>> My point is since they hardly ever go bad, since late 70's (GE YC/YA
chassis)
>>why say this is a reason to avoid Thomsen?.
>>
>
>
>There's no real reason to avoid Thomson...or any other producer of
>quality consumer electronics. There's a thread going on this group
>about power-factor/current and voltage lagging and leading...how about
>the lag between cause and effect...?...by the time a company is
>condemned, they may already have solved a problem; in the case of a
>fledgling, upstart company, it may be too late...in the case of
>Thomson/Zenith/etc, they probably tough it out. Thomson has had a lot
>of problems BUT they have looked after their customers too...it
Damn Straight! I'm tired of hearing people badmouth Thomson. In the past
few years, I have referred several hundred customers to TCE consumer
relations due to tuner ground problem. In all cases, their sets were out of
the warranty period, sometimes several years out. Without exception,
Thomson reimbursed every single one of them for the repair. I'd say more
on the subject, but am in the wrong thread for that.