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Sony Convergence Problem

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Ron.M
Veteran

Jul 31, 2016, 5:55 PM

Post #26 of 30 (8158 views)
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Re: [Philadelphia1] Sony Convergence Problem [In reply to]	Can't Post

Philadelphia1;.....

Went to hell in a wicker basket , didn't it ???

In the second pic ( http://imageshack.com/...g922/5633/Dj7pnj.jpg ) , it looks like a lot of the center area is fairly well converged !!
Are you able to move ALL 3 colors up & down & left & right ???
See page 39 in the service manual & do it with the CENTER CROSS ONLY...
When you are done leave the center cross converged..

Later...Ron.M... Cool

...
Veteran & Retired TV technician

Philadelphia1
New User

Aug 1, 2016, 1:26 AM

Post #27 of 30 (8145 views)
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Re: [Ron.M] Sony Convergence Problem [In reply to]	Can't Post

"Went to hell in a wicker basket , didn't it ??? "

.....haha..ha...this is SO true.

It's starting to get to the point where all this is becoming personal between me and this effin' TV.

NOW........what I'm hoping to do...... is get this pig working PERFECT...then I was thinking about wheeling this sucker outside, busting out the shotgun and blowing it to smithereens.....LOL j/k.

You had asked: "Are you able to move ALL 3 colors up & down & left & right ???"

Only 2 of the colors move in all directions...north, south, east, and west. RED and BLUE move in ALL directions.

Strange though, but I don't have an option to move the GREEN? Its almost as if its "fixed" The selection process goes from red to blue then back to default,.....default being the "movable" cursor.

Is it possible that this may be the case? that green is supposed to be in a "fixed" position?

Please forgive my ignorance but I'm not sure what it is that you want me to do when you say..."See page 39 in the service manual & do it with the CENTER CROSS ONLY..."

I looked on 39 and don't see a particular topic or section that starts there for me to follow. Here is what i see on page 39 and others.

http://imageshack.com/a/img923/4146/L9A5Yn.jpg
http://imageshack.com/a/img922/6426/mrca3i.jpg
http://imageshack.com/a/img923/2189/8DWBgy.jpg
http://imageshack.com/a/img924/9027/ZRmJEY.jpg

Perhaps if you can dumb it down a little bit or point me to a particular section(s) that you want me to follow that would make it easier.

I' didn't attempt anything further because I'm unsure how to proceed and most importantly because ONLY 2 of the colors MOVE in all directions. Being that the GREEN wont allow adjustment or even selection does that suggest a possible faulty NEW IC?

Thanks Ron!

(This post was edited by Philadelphia1 on Aug 1, 2016, 2:25 AM)

jts1957
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Aug 1, 2016, 3:02 AM

Post #28 of 30 (8139 views)
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Re: [Philadelphia1] Sony Convergence Problem [In reply to]	Can't Post

Green IS the reference that the red and blue are aligned to.

Page number of pdf viewer matches the page number being shown?

-------------------------
Location: Far, Far Away

Philadelphia1
New User

Aug 1, 2016, 6:33 AM

Post #29 of 30 (8125 views)
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Re: [jts1957] Sony Convergence Problem [In reply to]	Can't Post

"Green IS the reference that the red and blue are aligned to."

So it is "fixed" and can't be moved? Being that it is the reference?

"Page number of pdf viewer matches the page number being shown?"

I'm sure its my fault? I don't know?

Ron.M
Veteran

Aug 4, 2016, 5:57 PM

Post #30 of 30 (8066 views)
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Re: [Philadelphia1] Sony Convergence Problem [In reply to]	Can't Post

Philadelphia1;...

I've been trying to figure out what went wrong here !!!
ALL 3 colors are misconverged !!!...
Not sure that that's what the ORIGINAL problem was...
WAS it ???...

Quote

"Green IS the reference that the red and blue are aligned to."

That is true providing that the green IS symmetrical & in proper alignment by ITSELF ...

Quote

So it is "fixed" and can't be moved? Being that it is the reference?

NO . it can be moved...

In the manual on pg 38 or pg 37 of your PDF viewer , it gives you a flow chart of the convergence procedure...
2-12 Registration (Convergence) Adjustment..
This IS a long & VERY complicated procedure for the inexperienced & even some of us experienced techs , so I do NOT recommend you jump in & even TRY this...

My suspicions are that ALL 3 colors being out suggest another fault is at play here...
Either you got generic ICs or there is problems in the digital convergence circuitry...
Either way , it's looking like the shotgun is ready for a shell in the chamber ...

Have a nice day & weekend .... Wink

...

Later...Ron.M... Cool

..
Veteran & Retired TV technician

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