I have a 36A43 that recently started displaying the volume up or down mode randomly.or the ch. will go up or down Most of the time the only way to stop it is to un plug it. I have unpluged the switches that dose not help
I had the same problem with my 36A43 also. I found by pure accident that if I pushed and held the MENU button on the front of the TV that the volume quit going up and down and I could control the volume with the remote. So far it is working all I did was jam 2 or 3 tooth-picks in beside the MENU button to hold it in and it is working so if this helps you any good luck its a cheap fix for an old TV
Yes, please check with your brother and let us know what would be a good solution. Has anyone else had their problem fixed? I just called Toshiba and they were very unapologetic about the poor quality of their product and just referred me to a service center.
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Re: 36a43 volume goes up and down buy itself
This problem sometime occurs due to a bad capacitor in the volume control circuitry. You will need a multimeter and a schematic to find out the proper voltages within the volume control circuitry. I would suggest that if you do not have a background in electronics that you take the set to a qualified shop for repairs.
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Remote sensors are very cheap to buy and easy to get device. It is a three solder terminal device. Visit the site named 'Electro-help' for
more details. Click this link. View it in
"Timeslide" or "Flipcard" option, which can be selected
from the drop down box menu by the [Sidebar] tag, at the top left corner
of the display window. You can also
click the [Home] tab to see the latest updates. It will make search
easy. There are more than 1350 posts to different brand TVs now. Pull up older
posts there or make a search by typing in the brand name of the device in
the "Search Box", at the top right of the display window
What you're describing sounds to me like "Windex syndrome". People sometimes clean the front of their TV by spraying it with glass cleaner like it's a window (which it basically is) and wiping it off. Unfortunately the cleaner can run down onto the circuit board where it damages the switches and wiring. This might be what's happening in your TV, although the same trouble can be caused by other things as well.
The way the front panel controls are wired, a bad switch can cause all of them to act up. The remote sensor is part of the chain too, and if it goes bad odd things can happen. If the set is in an area of high humidity the same trouble can develop because of moisture. One of the switches might not be operating correctly, or another part in the button chain may have gone bad. The microcomputer in the TV may be bad. If you've had a recent severe thunderstorm with nearby lightning, this may have affected the chip.
Try unplugging the TV from the AC outlet, not just turning it off. Let it sit for 5 minutes to make sure that capacitors have had a chance to discharge. Press a couple of the front panel buttons before plugging the set back in. Then plug the TV back in and see if you still have the same trouble. This process makes sure the microcomputer inside is fully reset and often gets the set going again.
If the trouble continues, someone will need to check the front panel switches and the circuit board. That's the area where the cause will be found.
Viewing the demonstration (DEMO) mode
The DEMO mode automatically demonstrates several features of
To start the DEMO mode:
1. Press MENU.
2. Press left or right button to highlight the SET UP menu.
3. Press up or down button to highlight DEMO. 4. Press left or right button to highlight START.
To stop the DEMO mode:
Press RECALL, EXIT, or POWER.
I hope this helps. Thanks for using fixya.