We have tried power connection, batteries in remote, turn on on set.... No luck. THis has been going on for the past few days, It won't turn on and after about 20 to 30 minutes of trying it finally tunrs on. The TV is less that 6 months old.
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I would try unplugging everything, then plug back in. Try new batteries in remote if there is one. This sounds like TV is not getting signal to turn on, so I would look carefully at remote power and 'eye' and power button connections. Good luck!
poke it open, you'll find bloated capacitors at power supply board. biggest one, with power cord pluged into. replace with thesame value(s).
you good to go!
don't lie, next time! your set has been acting up fpr a while, before it quit. Remembering: few attempts to turn it on, then it works!
I just called Dynex because I had the same problem. Remove the batteries and press the power button and hold it down for 15-20 seconds, put the batteries back in and try to power on and power off, change channels, etc... if so the remote is fine. The guy told me that sometimes when you need to replace the batteries you also have to re-set the remote control.
Most likely the set has lost vertical sweep or the feedback from that circuit. This will shut the set down to prevent a horizontal line from burning the face of the CRT. This will have to be looked at by a technician.
I had a similar problem. Take the batteries out of the remote, press down on the number 5 for about two minutes the put the batteries back in. This worked for me.
(I got this tip from a telesales advisor. I was close to buying a replacement remote but this tip worked. Hope it does for you. I'm not sure on the science part of it but it basically resets the remote. Good luck)
Some 1000uf electrolytic capacitors have failed on the power supply board (3x 16v & 2x 35v radial). You can get them at Radio Shack or your favorite parts house. They are easy enough to replace if you are handy with a soldering iron. If not, bring the tv to a repair shop & tell them that you want the capacitors replaced on the power supply. It shouldn't be too expensive.
To get to the power supply, unplug the set from everything including power. Put the set face down on something soft that won't damage the screen. Remove all the screws from the rear cover, they have arrows pointing to them. When you get to the dvd player, care will be needed to get the cover off.
The power supply board is on the upper right side of the chassis and is not covered by anything. Look for the capacitors that are "bulging" on the top. These will need to be replaced. Good ones look flat on top.
Remove the bad capacitors noting there orientation (they are polarized). The "negitive" side will have a "band" printed on the capacitor. Go get the new ones & replace them carefully aligning the polarities correctly. Reassemble the case & you should be done.