Toshiba 43H70 43 in. Rear Projection Television
Problem for Toshiba 43H70 43 in. Rear Projection Television

Convergence




By kycop on Nov 26, 2006

" "
I adjust my convergence but i still cant get it perfect, I play my xbox 360 on the tv, or movies etc,,,,the letters when small are blurry and you can see the red or blue coming from the white, not alot but enough to piss me off...I have had this tv for several years..Any suggestions...

I have done the convergence and it lines up fine?

Best Solution

posted on Nov 27, 2006
Helpful)

repairforce1

Rank: Apprentice 
Rating: 90%, 26 votes
Remove the back containing the mirror and look into the projection lenses either at low brightness or with the tv turned off using a flashlight. Look for the fluid posibly being murky (should be clear). If this is the case, to replace the fluid:

1. Unplug the TV.

2. Remove the Picture Tube with Lens Assembly that has bad fluid
3. Find the drain plug

4. Drain the fluid in the sink.
5. Take a picture from all angles to review later.
6. Dissassemble the fluid chamber from the picture tube and clean the front glass and chamber.
7. Reassemble and fill chamber with mineral oil (laxitive found in a drug store).
8. Repeat the proceedure until all three CRT images are clear.
9. Use the centering magnets located above the CRT PCB's to get the convergence in the center.
10. Use the convergence proceedure from the tv menu to complete.
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Solution #2

posted on Dec 05, 2006
Somewhat Helpful)

SonOfLou

Rank: Apprentice 
Rating: 82%, 7 votes
sonof... indicated that his solution for
Grand WEGA... Problem
is valid for all Projection...
There is a certain level of tolerance for misconvergence - it is extremely hard to get a set perfectly aligned. If you go into an electonics store you will often see the same thing - very slight misconvergence on small white text. You might could try getting the set re-aligned by a professional, or if its really bad you may need the convergence chips replaced, but it sounds like your set is normal.
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Solution #3

posted on Oct 14, 2007
Not Helpful)

Fujifrontier

Rank: Guide 
Rating: 69%, 8 votes

Do you think you could post the photo of the centering magnets?


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Solution #4

posted on Aug 18, 2007
Not Rated)

acesinalbq

Rank: Guide 
Rating: 89%, 21 votes
I had a problem with my TV colors not lining up. One day I turned it on and the green was out of wack. I checked this message board and replaced the STK chips, bad soldering and all led to me just giving up on that and buying a whole new Convergence Board ($185). I replaced the missing silver box on the new board and I just plugged this in and though now my Green lines up okay, my red is out of whack. Is there something I am doing wrong?
Can anyone help me? Did i miss a step? Frustrated......Bruce

what are crt pcb's???????
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Solution #5

posted on Dec 09, 2006
Not Rated)

beldar

Rank: Wiz 
Rating: 80%, 136 votes
dont ever change the fluid in the tubes
just clean all the optics and
lenses mirrors go easy on the screen
reset up the focus block screen and focus adjustments
your xbox has way more resolution than the old tosh is capable of
have somebody do the service converge for you
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