Question about Toshiba 57H82 57" Rear Projection Television

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Please help The TV has a distorted picture for about the first 10 minutes. It also is loosing sounds on some of the channels. It is not the cable connection, I checked that.

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  • cwordwoman Aug 03, 2008

    When set is first turned on the picture is scrambled. After about 10 minutes the picture is wavy and jumps continiously. Cable connection and electrical outlet check out okay.

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I had the same problem and I have just finished replacing the caps and tv works like new! :-)

It was my first time at soldering and it was very tricky. I actually was surprised that the thing didn't blow up when I turned it on! lol!

Cost of repair: $7.50 for the caps including shipping from Digi-Key.com and about $40 of soldering toys from radio shack

Posted on Aug 02, 2008

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The chances are you may have what is called a bad hypermodule. it is a signal board that controls signal processing. does the picture apear"wavy" then clears up. The way to repair this is to repair this board is to replace 11 microcaps. NOT EASY technicians have truble with this repair... twezzers and manifying glasses. ideally the best thing to do is to replace this board... but they are very rare and difficult to find. so if you can find a good tech that can solder microcaps or if you can find the board those will be the options

Posted on Aug 01, 2008

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I have a hitachi rear projection tv. Model #51f510. Picture is bright and clear but goes to distorted when you change the channel. If you turn the tv off then on its worse. Then again turn the tv off then...


Try tapping/knocking on various parts of the TV to see it a bad solder joint is responsible. It could also be some component getting too hot or aged to the point of malfunction.
Don't waste any money trying to fix this, rear projection TVs are dinosaurs.

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When I turn on the TV, the picture is fuzzy. After five minutes, the picture is clear but any words are out of focus even the menu for adjustments is out of focus. The convergence for red is clear but...


Hi,

Below are some troubleshooting tips for a TV that has a fuzzy or blurry picture;

If your Plasma or LCD TV picture is blurry or fuzzy there are several things that may be causing the problem. It's worth running through the following list before seeking service. You may find yourself saving the full cost of a TV repair.

Make sure you are using the appropriate cable box for your TV. If you have a high-definition TV you should also be using a high-def channel box from your cable provider. Watching standard definition channels on a high-def TV can make the picture look distorted and fuzzy.

Not all cable channels are broadcast in high-definition. When you stretch a standard definition picture to fill the full frame of your wide-screen TV it may look distorted. You can try changing your TV display settings to show standard-def channels at their native resolution. This will create black or gray bands on either side of your picture.

Ideally all of your video components will be connected to your TV with HDMI cables. Your next best option will be component video cables. If your cable box does not have HDMI capabilities, contact your cable company about upgrading your box to one that does include HDMI.

Make sure there is no glare on your TV from a window or other strong light source. This can significantly degrade the quality of the image you are watching.

If your TV has digital noise reduction, try turning that feature on.

You can adjust your TV's sharpness and picture modes to see if that improves picture quality.

Try plugging the power cord into a different electrical outlet and/or surge protector. You may be receiving electrical interference through your power cord.

Trying moving any nearby electrical devices away from the TV. They may be creating interference that can degrade the picture quality.

Let me know if the above helps or not, so that I can direct you further on what do next.....

Best regards.

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Cable Tv Interference


Sounds like the cable signal getting to that TV is just not strong enough.  This could be due to the number of connection and splitters leading to it.  Set it up with a coaxial cable that connects as close to the incoming cable as possible and not split it along the way.

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Picture goes black but sound is good after tv is on for 10 minutes, please help


Please check if exchancing powercord helps and preferably to other power connection.
Do check your signal generating device
Antenna - RF ?
Set top box (Cable or satelite)
DVD or VCR for broken connection.
They could be the cause also and not the TV.
A broken soldering on a euroscart connectort is treaseurous on a VCR or so. I open those up and check scart connectort on board solderings or check cable for loose connections.

If nothing there or you not technical enough call in a handy guy from the block before cleaned out.

Pls do not open your TV set, that gets ugly.

You like my advice, rate me, i am doing my best

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Volume distortion only on tv setting


RCA HAD A CERTAIN MODEL SERIES THAT HAD A REALLY BAD DESIGN,,IT SEEMS THAT SOLDER CONNECTIONS STARTED BREAKING LOOSE AND DEPENDING WHERE THEY CAME LOOSE,,YOU WOULD HAVE PROBLEMS IN THAT CERTAIN CIRCUIT..TO DETERMINE IF YOU HAS THAT SERIES,,WE WOULD NEED THE CHASSIS # ON THE BACK...
IF THE CONNECTIONS CAME LOOSE IN THE VERTICAL CIRCUIT--THE PICTURE WOULD CLOSE UP ,,IF IN THE TUNER SECTION--YOU WOULD LOOSE CHANNELS ,,IF IT WAS IN THE AUDIO SECTION--YOU WOULD GET CRACKLYN SOUND OR NO SOUND
ONE THING YOU CAN TRY--PUT IT BACK IN THE TV MODE,,GENTLY TAP ON THE CABLE CONNECTOR IN THE BACK OF THE SET AND SEE IF IT CLEARS UP,,IF SO YOU HAVE THE CONNECTION ISSUE--WILL NEED A TECH..GOOD LUCK ..TUNICA

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It's likely the Ssb is out, Philips p/n# 319801634710 which on a difficult scale of 1-10 is about a 6 or 7 for repairs. That is a DPTV310 chassis and somewhat tight quarters inside. It's not so bad taking the strappings loose to get at the board but a tight area to work through getting the standup board unplugged from the signal board. One noteable caution: unplug the set for at least 10 minutes before opening the back VERY STATIC SENSITIVE..
Bill

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Trouble!!


sounds like a loose video cable. Check your connections

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unscrew the screws along the sides and top at back. gently lower screen forward and look inside--you should see the gasket--reattach it or remove it...I just removed it after staring at it for a year or more

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