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NEED DYNAMIC CONVERGENCE PROCEEDURE - Televison & Video

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  • seltonpowell Mar 21, 2008

    a TOSHIBA TP48C90

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Dear Sir:

Here is a link for the manual for this specific tv which I believe provides all of the information that you need

http://www.retrevo.com/s/Toshiba-TP48C90-TVs-review-manual/id/283bh828/t/1-2/

I hope this helps you fix the problem, if not, please feel free to post more on this topic. Thank you and Good Luck!

Posted on Mar 21, 2008

  • Benjamin Patri
    Benjamin Patri Mar 25, 2008

    Did this help you, do you need any more help? Have a good day, I am here to help, just ask

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2 Answers

Need code to enter on remote to engage multipoint convergence adjustments.Need save proceedure after adjustments are made & exit proceedure for RCA Projection TV Model # HD52W59, ITC 222A


Hello,

To get the code to enter on your remote to engage multipoint convergence adjustments, you need to contact the rca customer care for that, you get them your model number and they will get your code for you.

To process and save the adjustment made, follow the steps below;
  1. Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.
  2. Enter the menu on your TV. Use the remote control and bring up the menu.
  3. Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  4. Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  5. Press "Enter." A crosshair pattern will appear on your screen.
  6. Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  7. Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  8. Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  9. Repeat these steps for all colors.
Take care

Jul 06, 2010 | Televison & Video

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Toshiba51hx83 convergence problem


Sounds like your convergence ICs are faulty If you cant move both red and blue in all 4 directions its usually your convergence amp ICs. They are prone to failure as they operate at such high temperatures. If you need any further info on this proceedure please let me know.

Jan 21, 2008 | Toshiba 51HX93 51" Rear Projection HDTV

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Boe in blue dynamic convergence curcuitry. Swapped deflection yoke on two tubes but problem still remains. Unplugged convergence plug on yoke and bow disappeared but unable to adjust dynamic convergence....


what's the number of the board where you unplugged the conv yoke, should start with 930_ that is the board you need. Try the partstore.com with the part number or type in the brand and model when you have the number on the board, and they display price and availability.

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1 Answer

Red and blue convergence wont line up. What should i do.


convergance can be tricky and you should follow a manufacturers proceedure from a manual.

most specificaly start with the green H and V Linearity and center , then the Red and Blue

Projection TV's and Component Video RGB have their Horizontal and Vertical Sync signals on the Green Component..

There may be other reasons for their specific order of operations within a calabration proceedure such as your 'RGB convergance alignment'

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Hello fmnii,

Believe it or not the easy part was the replacing of the convergence amplifiers. Now for the hard part, static and dynamic convergence of the TV. To do this, what I usually do is not trust the onboard cross-hatch and alignment patterns, for this I use a signal/pattern generator to create the cross-hatch and alignment patterns. I follow the static convergence instructions first, and then the dynamic convergence instructions. This process taks about 6 - 12 hours (Yes 6 - 12 hours) if done correctly. I say use the instructions because each TV set is different. It sounds like you have your static convergence well in hand and you just need to do the dynamic.

If you can, try to get a signal/pattern generator (I use the VA62A).

I wish you well,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

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Hello saduchan,

I think that your ICs are ok, What you need to perform is what is called dynamic convergence, This involves using the internal convergence controls to align the outer edges of the screen. I am assuming that the center of the screen is ok? it's just the edges which are misaligned, right? Now for the bad news, this task is not easy in fact the job takes a pro about 6 to 12 hours to do it right. I think you should have a qualified TV technician attempt the static convergence setup followed by the dynamic convergence setup.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

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In this case you will need to replace the convergence STK ICs to restore the convergence. The resistors can be measure with an ohmeter to check their values.
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Oct 17, 2008 | Televison & Video

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