Question about Panasonic PT-47WX49 47" Rear Projection Television

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Red Covergence - No Remote

Was given the TV, without remote. I have a convergence or IC issue as many others on this board are describing (red is off kliter, causing doubling of image where red is present etc). Would like to try to adjust convergence before taking in for repair, can this be done without the remote? If not any good sources for a remote quickly?

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Re: Red Covergence - No Remote

I believe you can hit the menu button located on the front of the tv, scroll to the screen option, then always choose green convergence first, then the others. To make it easy on yourself, you could always purchase an inexpensive universal remote, or even better, an RCA remote.

Posted on Sep 28, 2007

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No--you will NOT get anywhere this way. You need a remote.

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Colored lines at top and bottom when tv comes on and seeing double vision in different colors at all times

If your tv is not a DLP the problem is in the convergence, try to adjust it using your original remote control go to the setting menu then to the convergence section. Adjust the red and blue convergence. you should move the red and the blue in up, down and left, right if this color does not move far enough your convergence IC is already defective. Replacing this convergence IC will solve the problem. In locating this convergence IC you should remove the back cover of your unit but be sure to unplug it before doing this. This convergence IC is attached to a large aluminum plate, it is the heat sink, and it has a marking of stk- ### followed by numbers. You can try to pull it out using a soldering iron and soldering pump but be careful you may damage the board and cause much problem to your unit. Or you can contact a technician to do it for you and save you from stress good day and best regards.

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Double photo

Replace both of your STK ICs STK392-110s use 150s Mats has Them 1-800-628-1118

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1 Answer

My tv is displaying a double picture.. i pulled the back off and covered the red lamp and the picture goes back to normal but no red in the colors.. pull my hand off the red lamp the picture doubles...

Problem cause is red convergence output chip failure that will be replaced to fix the issue.
If you have experience of electronics stuff repair and can replace parts in circuit board as it requires soldering work with proper tools then can replace convergence output IC in your tv by yourself.
Let me know if you have additional question.

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I have a Samsung HCM4715W and it will not turn on. The remote turns on the tv but ther is no picture or sound. There is a red light on the front that flashes. I counted the flashes and it's 22211.

Go to Encompass Parts Distrubtion for List of Parts and Prices to your TV type in Model number.
You need to replace either the convergence board or Both ICs on convergence board they are big black ICs STK392-020s Mats has them 1-800-628-1118
Covergence board# AA95-02002A

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Red color convergence issue; Red lines are curved

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail

Nov 24, 2009 | Projection Televisions

1 Answer

57HX81 projection tv,color is mostly red and picture is double.

This is a convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$300

Sep 28, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Mitsubishi 55411 projection tv has red band across bottom

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Toshiba 57H82 convergence problems. TouchFocus

See my solution <>.
You need to get to the service menu--it's been 4 years so go to to turn off the different guns and get the better pattern.
At your risk: To get into Service mode:
1. Turn your TV on. 2. For X81 or earlier series: Press MUTE on your remote and release. 2. For H80/H81/HX81 series: Press MUTE on your remote and release two times ("Mute" on-screen) 3. Press down MUTE on your remote again and hold. While holding, press the MENU button on your TV set's front panel. 4. Release both buttons. 5. An "S" should appear on your screen. Press MENU again on your TV. 6. Now you're in service mode. Channel Up/Dn - Scrolls through Parameters and Volume Up/Dn - Changes Parameter Value
To get into convergence mode:
Get into Service mode, then Hit '7' to bring up the convergence grid. Buttons 100, 0, and ENT control which gun you want to turn off (if you want to align the red to the green without seeing the blue gun and other variations). 2=up, 8=down, 4=left, 6=right, 3=change gun to converge, 5=converge that point. To exit convergence mode you press 7 once and your screen should look like it's imploding then return to normal and then you press 7 to get back into regular service mode.
I have more info found on the board. -Ken

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