I turned the set off the other day with the front on/off switch. This morning, I tried to power up the set and even after trying to use the system reset, un-plugging the set, and trying everything I could, the set would not power up. I unplugged the power and waited the customery five seconds, used both the remote and or power switch. When the system reset is pushed, the gree light in front blinks rapidely, but it goes out after that. I have had this happen before. I saw some possible solutions to this problem in other postings.
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Re: can not reset tv
These sets have a common problem with the front panel buttons sticking and not allowing the set to turn on. Unplugging the control panel and using the remote to turn the set on normally diagnoses that problem (If you try this, remember that once the set is origionally plugged in, it takes about a minute and half before the set can be turned back on.
Another problem could be in the convergence circuit. If you hit the power button and the indicator light comes on and shuts off then that is the circuit that is most suspect. The -24 volt line fusible link as well as the 24 volt line will open up if the convergence IC shorts out.
There is a way to diagnose this set by pushing in and holding the menu and device button on the set at the same time until the indicator light starts flashing. There are two sets of flashes, such as, 2 flashes and then 3 flashes.
Hope this helps.
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Did you try turning it on by the button on the tv or with the remote? If you only tried with the remote check the batteries, maybe replace them. Try the switch on the tv, if that doesn't work I don't know. By any chance do you have any pets?
Remove power for a day and see if the processor resets. It seems to be only due to the timer as the TV can be triggered only from the internal timer to power ON.Try and reset all the timer settings , switch power off completely and it must cancel all settings.
It sounds like you have a switch problem at the front panel of the set. If a switch gets stuck internally the micro is trying to process the command and won't respond to any other commands. The only way to find out is to go into the set and desolder all the manual switches and see if the remote will work the set. It has a seperate detector for the remote. Thanks for using fixya. Good luck
The most likey cause of this is poor solder connections either in the power suply area or the convergence circuit area. If you can solder and are comfortable working inside the set where there are potetially dangerous high voltages (even when unplugged), you maight be able to resolve this yourself. Try resoldering any connections on the boards that appear grainy or have rings. Update this with your results.
Hey dudes...even i hav had the same problem that too with the same model specified here..Its a problem actually concerned with the power circuit boards of the tv. Its best to get it checked by an authorized technician. For me I had to replace a transistor on one of the boards. But after that my tv came up with a new problem....the colours appear like rainbows! Could nyone xplain y dis is happening?
Try unplugging the TV for about 10 minutes and then tunung it on again. Try a factory
To reset the TV to factory settings
1 Turn the TV on.
2 Hold down on the remote control.
3 Press and release the POWER button on the TV front panel. The TV will turn itself off,
then back on.
4 Release .
I'm assuming step 2 means hold down the power button.