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Bad static on toshiba

I get bad static more often than not after we turn the tv on after it set's for a while it could last 15 min to 2 hours static on the sound and screen

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I believe your problem to be somewhere in the tuner section. That's why it affects both sound and picture. Could be a bad solder joint or component in that area.

Greg.

Posted on Aug 14, 2008

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TV has static but no picture. When I turn on the TV, I hear 2 clicks and static. Pushing the power button again, static stops and red LED light turns on. After 15 min. TV automatically shuts off.


Check your antenna is plugged in the right place.
Switch TV on then goto it's menu setting, if the menu appears then at least you know the screen works.
As a test, plug in a DVD player to one of the HDMI ports and try to play something. Make sure you select the proper input source from the source menu and see if you get a picture.
If you do then it narrows the problem down.
Next, from the menu, select TV source to see if picture comes.
There are a number of other sequences depending on what decoder or Viewer box you have, if it's just Freeview antenna then you may have a problem with that.
Make sure you've done the auto tune procedures too.....

Oct 11, 2016 | Televison & Video

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Sound goes off after 15 Min


Assuming it is not hardware but soft settings...
1) Check and make sure that your TV does not have the timer set.
The Timer feature allows you to set a day and time for the TV to turn on automatically and the device and channel to display when it switches on. If the TV is already on at the requested time, the TV automatically tunes to the channel you designated in the Timer menu.
When the Timer turns on the TV, the following message is displayed: "Press a button for the TV to stay on." Press any button on the remote control within five minutes if you wish the TV to remain on.
Note: The TV clock must be set before you can use the
Timer feature (see preceding page to set the clock).
On/Off
Press down arrow / up arrow to enable or disable the Timer.
2) If not working, try SYSTEM RESET. Press SYSTEM RESET button on the front panel with pointed object (e.g. straight paperclip). TV turns off, green LED flashes for about 1 minute. When it stops flashing turn the TV on again. All settings other than Parental Lock need to be set again using the manual.
3) TV RESET. If all else fails for soft error. Your manual describes this last resort for soft type error. It could be hardware problem needing more expertise.
Manual can be viewed on a computer at
http://www.audiolabga.com/pdf/V32-V32L_Service_Manual.pdf

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I bought this on clearance. I hooked it up and


Samsung LN40A550 LCD TV

This is probably the LCD Controller (T-CON) board connections. This is a small board with 2 flat cables connected to it which run to the LCD screen. The connections with the flat ribbons needs to be reseated. The heat makes the connections misaligned. This board is usually covered by a metal shield.
When you reseat the connections, run the set for 15 minutes to see if it works before replacing the back cover. You may have to reseat it again.
Remember, handle electronics boards by the edges, no static electricity, and do not touch the connection contacts.
At worst you would need a new board. (Shopjimmy.com has it for ~$90.00usd)

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Toshiba 56hm66 New lamp worked last night, wont boot up again


You now have a defective lamp ballast board. It sometimes is the root cause of lamp failures in these sets. The problem here is that Toshiba does not sell the ballast board independently from the larger, more expensive light engine assy. Call Best Buy back and get a servicer out there. He may have to take the ballast board out of your TV and send it out for rebuilding.

michtech

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Without seeing it I would suspect a bad connection on the main board. As the board heats up the board expands and as it cools in contracts opening and closing a crack in the board. Sometimes a crack or bad solder joint both are sometimes hard to find and it is a lot of solder and wait and see.I have had some luck by tapping on the board with an insulated handel of a nut driver,.. the tv on and watching for any change. If i tapped around the board some areas were more sensitive than others. I then soldered that area. I would tap around again if the set did not react I assume the problem fixed

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