Question about Toshiba TP50H50 50" Rear Projection Television

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Toshiba tp50h50 the picture waves until i hit the menu button and it is perfectly clear for a second then keeps waving. if i exit out of menu it clears up a second then continues the waving. sometimes it clears up for awhile after leaving it on for a few minutes. but when i turn it on its all white hiss for a minute then tries to come in but its all wavey unless i hit the menu button and its crystal clear for a second. now after letting it run for an hour it hasn't straightened out again. its all new cables and ive hooked up another tv directly to the cable and its fine. the big screen won't. if the cable company was sending us an hd signal and im not hd compatible could that cause it. Any suggestions, I've never seen anything like it.

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Replace the power supply deflexion module sounds like a cap proplem on the board

Posted on Jul 04, 2008

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Locate and replace convergence IC's = verify part # is
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The capicators in the hyperboard have failed. An esy fix if your patient. Otherwise I offer a repair service. Let me know.

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With the set on press MUTE on the remote.

Then press and HOLD mute for several seconds and while still holding it on the remote press Menu on the front of the set.

A (S) should appear in the upper right corner of the screen. (It means you are in the Service mode)

Press menu again on the front of the set

7 on the remote will call up the convergence grid

3 on the remote will change the color to adjust from red to green to blue(do not adjust GREEN)


You navigate the grid with 2, 4, 6, and 8 buttons.

To stop the cursor from blinking so you can adjust at any point use the 5 button—to move again use the 5 button.


When you finish you exit by hitting 7 on the remote again.


Sometimes you have to try a few times to get into the menu—I have had my problems but once in it is easy.


if adjusting does not cure the problem one of the convergence chips this set uses and or a resistor are bad.

Let me know what happens and if you need more help let me know
SD TECH



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