I have a Sony Trinitron Flatscreen monitor and there is bowing of the
taskbar.

I have tried all the adjustments that I have access to on the
adjustment panel and still no luck getting it straightend out.

Is there any adjustment on the inside on the monitor that would get the
bowing out?

I know there are adjustments for the sides of the monitor screen
geometry but none for the horizontal bowing.

Thanks for any advice!

Tmod

Depending on how much the bow actually is, relevant to true horizontal, it
may be within manufacturer specifications. Without getting into probable
service only level of adjustments, there may not be a realistic means.
wrote in message
ups.com...
I have a Sony Trinitron Flatscreen monitor and there is bowing of the
taskbar.

I have tried all the adjustments that I have access to on the
adjustment panel and still no luck getting it straightend out.

Is there any adjustment on the inside on the monitor that would get the
bowing out?

I know there are adjustments for the sides of the monitor screen
geometry but none for the horizontal bowing.

Thanks for any advice!

Tmod

Thanks for the feedback Art,

Any idea what it might cost to have a service person look at it?

It is bowed up in the middle about 1/8". I don't know if that is
considered alot in the monitor industry but it drives me crazy.

Tmod

Art wrote:
Depending on how much the bow actually is, relevant to true horizontal, it
may be within manufacturer specifications. Without getting into probable
service only level of adjustments, there may not be a realistic means.
wrote in message
ups.com...
I have a Sony Trinitron Flatscreen monitor and there is bowing of the
taskbar.

I have tried all the adjustments that I have access to on the
adjustment panel and still no luck getting it straightend out.

Is there any adjustment on the inside on the monitor that would get the
bowing out?

I know there are adjustments for the sides of the monitor screen
geometry but none for the horizontal bowing.

Thanks for any advice!

Tmod

wrote:

Thanks for the feedback Art,

Any idea what it might cost to have a service person look at it?

It is bowed up in the middle about 1/8". I don't know if that is
considered alot in the monitor industry but it drives me crazy.

Tmod

Monitors do not affect people's sanity Youre already crazy. And very
bored by the sound of it.


NT

meow2222,

At least I don't go replying to a posted question with a answer of 0
content.

Tmod

wrote:
wrote:

Thanks for the feedback Art,

Any idea what it might cost to have a service person look at it?

It is bowed up in the middle about 1/8". I don't know if that is
considered alot in the monitor industry but it drives me crazy.

Tmod

Monitors do not affect people's sanity Youre already crazy. And very
bored by the sound of it.


NT

wrote:
meow2222,
wrote:
wrote:

It is bowed up in the middle about 1/8". I don't know if that is
considered alot in the monitor industry but it drives me crazy.

Monitors do not affect people's sanity Youre already crazy. And very
bored by the sound of it.

At least I don't go replying to a posted question with a answer of 0
content.

Silly me. See I thought the suggestion that you must be very bored to
be worrying over a 3mm deflection was a constuctive hint to rethink
what you were doing in life, but maybe not.


NT

wrote in message
oups.com...
Thanks for the feedback Art,

Any idea what it might cost to have a service person look at it?

It is bowed up in the middle about 1/8". I don't know if that is
considered alot in the monitor industry but it drives me crazy.


It's annoying, but most monitor and TV manufacturers do not provide for N-S
pincushion correction. I've seen and corrected some quite nasty cases
(strangely enough- on Sonys!) by adjusting the up/down position of the yoke
with rubber wedges, but this usually affects the top geometry as well, which
may or may not be desirable.

Dave

Morse wrote:
wrote in message
oups.com...
Thanks for the feedback Art,

Any idea what it might cost to have a service person look at it?

It is bowed up in the middle about 1/8". I don't know if that is
considered alot in the monitor industry but it drives me crazy.


It's annoying, but most monitor and TV manufacturers do not provide for N-S
pincushion correction. I've seen and corrected some quite nasty cases
(strangely enough- on Sonys!) by adjusting the up/down position of the yoke
with rubber wedges, but this usually affects the top geometry as well, which
may or may not be desirable.

Dave

Hi Dave,

Thanks for the reply.

Oddly enough it doesn't really have the bow on the top of the screen.

It seems to all be on the bottom.

So would adjusting the yoke possibly take care of the bottom bowing
without affecting the top much?

Tmod

wrote in message
ps.com...


Hi Dave,

Thanks for the reply.

Oddly enough it doesn't really have the bow on the top of the screen.

It seems to all be on the bottom.

So would adjusting the yoke possibly take care of the bottom bowing
without affecting the top much?

Tmod


It's possible if the yoke has been badly fitted at the factory, ie, not
central and drooping slightly, to lift it a little and affect the bottom
with only minimal affect on the top. It depends on the individual case.
It's not a job I'd recommend if you're not electronically minded or
experienced with CRTs though- there's a real risk of seriously messing up
the picture and worse still getting a hefty shock.

Morse

Morse wrote:
wrote in message
ps.com...


Hi Dave,

Thanks for the reply.

Oddly enough it doesn't really have the bow on the top of the screen.

It seems to all be on the bottom.

So would adjusting the yoke possibly take care of the bottom bowing
without affecting the top much?

Tmod


It's possible if the yoke has been badly fitted at the factory, ie, not
central and drooping slightly, to lift it a little and affect the bottom
with only minimal affect on the top. It depends on the individual case.
It's not a job I'd recommend if you're not electronically minded or
experienced with CRTs though- there's a real risk of seriously messing up
the picture and worse still getting a hefty shock.

Morse

Hi Morse,

Thanks for the info, I am going to try a magnet trick that I was told
about but if that doesn't do anything then I will take it into the shop
and see what they would charge to fix it up.

Tmod

wrote:
Morse wrote:

wrote in message
oups.com...


Hi Dave,

Thanks for the reply.

Oddly enough it doesn't really have the bow on the top of the screen.

It seems to all be on the bottom.

So would adjusting the yoke possibly take care of the bottom bowing
without affecting the top much?

Tmod


It's possible if the yoke has been badly fitted at the factory, ie, not
central and drooping slightly, to lift it a little and affect the bottom
with only minimal affect on the top. It depends on the individual case.
It's not a job I'd recommend if you're not electronically minded or
experienced with CRTs though- there's a real risk of seriously messing up
the picture and worse still getting a hefty shock.

Morse


Hi Morse,

Thanks for the info, I am going to try a magnet trick that I was told
about but if that doesn't do anything then I will take it into the shop
and see what they would charge to fix it up.

Tmod



Are you sure there isn't a setting for it in the menu? Most modern CRT
monitors have that. If the setting has no effect there is a fault in the
electronics.

"James Sweet" wrote in message
news:Gv_Jg.56$xh4.27@trnddc04...

Are you sure there isn't a setting for it in the menu? Most modern CRT
monitors have that. If the setting has no effect there is a fault in the
electronics.

He's talking about N/S error James, not E/W error. I've yet to see a
consumer monitor with an adjustment for this, user or otherwise, though I
haven't looked at very recent monitors. If they have such a setting now then
it is good news and long overdue.

It is invariably caused by shoddy yoke/CRT mating or a duff yoke IME.
Sometimes it's simple to fix, other times it's a non-starter.

Dave

wrote in message
oups.com...
Thanks for the info, I am going to try a magnet trick that I was told
about but if that doesn't do anything then I will take it into the shop
and see what they would charge to fix it up.


That's more useful for corner convergence issues or small localised geometry
issues. You might improve matters with a few magnets, but lifting the yoke
should be tried first IMO as it's often the main cause of the problem and is
very easily corrected without extensive fiddling with magnets, which is a
bit of a black art.

Dave

Morse wrote:
wrote in message
oups.com...
Thanks for the info, I am going to try a magnet trick that I was told
about but if that doesn't do anything then I will take it into the shop
and see what they would charge to fix it up.


That's more useful for corner convergence issues or small localised geometry
issues. You might improve matters with a few magnets, but lifting the yoke
should be tried first IMO as it's often the main cause of the problem and is
very easily corrected without extensive fiddling with magnets, which is a
bit of a black art.

Dave

Thanks Dave,

I am guessing that I have to cut loose the yoke from the adhesive that
is connecting it to the foam pads. Then lift it and glue it back in
place.

Is that correct?

I tried attaching magnets at differnet positions but it didn't give the
results I was looking for.

I am attaching a link to the image of the yoke.

http://www.biosmedic.com/images/Trinitron%20Yoke.jpg

Tmod

wrote in message
ups.com...

Thanks Dave,

I am guessing that I have to cut loose the yoke from the adhesive that
is connecting it to the foam pads. Then lift it and glue it back in
place.

Is that correct?


That's usually the case, yes. Sony tend to use soft silicone adhesive
rather than rigid epoxy so you might as a preliminary test be able to grasp
the widest part of the yoke (taking precautions against shock hazards) and
lift it slightly and observe the bottom of the picture for any improvement.
If there's a noticeable improvement then you can remove the adhesive and
reseat the yoke, using the existing wedges to hold the yoke in its new
position. Once everything is spot on, then you can use silicone to fix the
yoke, but IME it's not usually necessary as long as the wedges are tight.

A word of warning- if you need to undo the yoke clamp screw for any reason,
do not overtighten it or the CRT neck will collapse with possibly dangerous
consequences to you. Tighten it gently and only enough to stop the yoke
moving under light force.

I tried attaching magnets at differnet positions but it didn't give the
results I was looking for.

I am attaching a link to the image of the yoke.

http://www.biosmedic.com/images/Trinitron%20Yoke.jpg


Once you've removed the silicone you'll find there's quite a range of
movement at the wide part of the yoke, and you'll also find that sliding the
yoke back slightly along the neck of the CRT will allow more movement,
though it's best not to do this. If you absolutely must slide the yoke back
slightly to allow for extra up/down movement, take extreme care that no
shadows or convergence issues are created in the corners of the picture.

Once you have improved the bowing, you may find the convergence needs
tweaking. The magnets may be of some help here.

Morse