[vcf-midatlantic] Anyone ever adjust the yoke on a 1970’s Sony trinitron?

corey cohen coreyvcf at gmail.com
Sat Jan 5 18:57:45 EST 2019

So the clamp and screw on the back of the tube where it’s the skinny part of the neck is correct for rotating the yoke?  I could swear the other TVs/monitors I have adjusted had them near the top of the tube where it’s much thicker.  Then again none of them were Sony. 

I also put the rubber wedges back in.  I guess it was a good opportunity to replace the foam adhesive tape.  


corey cohen
uǝɥoɔ ʎǝɹoɔ
Sent from my iPhone

> On Jan 5, 2019, at 4:52 PM, Matt Patoray via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
> Corey,
> Put the rubber wedges back in place. 
> They are there to keep the yoke positioned properly front to back on the tube.
> Loosen the screw then the yoke should rotate. Square the image up on the screen.
> Then tighten the screw again, just slightly more then snug.
> You may have to slightly touch up the H-Stat convergence, which should be on the flyback along with focus.
> Sent from my iPhone
>> On Jan 5, 2019, at 3:59 PM, corey cohen via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
>> So I have a 1974-75ish Sony KV-9200 color Trinitron TV and I need to rotate the yoke a little because the image is crooked.  I removed the rubber wedges but the yoke won’t budge.  I decided to walk away for a few hours and just took another look and I did just notice there is a small clamp on the end of the tube neck that could be loosened up, but before I do that I was wondering if that is what it’s intended for to hold the yoke in place against the rubber wedges?  I don’t want to have to adjust the convergence so I haven’t loosed it yet just Incase that is wrong.  I’m also worried because the neck is the most fragile part of the tube and don’t want to break it.  
>> This is all I have left to do on this TV.  I replaced every electrolytic cap, adjusted b+, cleaned all the controls and refreshed the entire exterior.  
>> Any advise would be helpful. 
>> Thanks,
>> Corey
>> corey cohen
>> uǝɥoɔ ʎǝɹoɔ
>> Sent from my iPhone

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