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hello! Blue screen(bright blue) indicates an absence of signal. If you have "on screen" display characters: menu, channel ##, volume bar, etc, your set might be configured for digital antenna settings, or DTV, "air" mode. Then, you won't be able to get cable channels through. If your "blue screen" is dim and there is no any characters, then your Y-sustain module is bad. Especially, if you have encountered loud "pop" shortly before "blue screen" appeared. Then, it's a major repair with board(s?) replacement. If you can handle that, get back to me in a next session. I will guide yourself "how to". Thanks, Alex.
On the remote that came with your TV, press the Display button, which is directly below the Volume Up button. Pressing it once displays the channel number and time, pressing it twice displays the channel number continuously, you must have accidently pressed the Display button twice. Just press it once more to remove the display.
Most commonly the model number is on the back of the TV. It should be located on the same sticker/placard with the big Olevia name on it. The model number maybe in small print below the Olevia name.
Did the volume quit working on every channel and every input selections?
With your tv on and the green K box on your left.
*unplug your tv from the outlet
*HOLD DOWN the (Volume - and input)
*Holding down the (Volume - and input) plug tv in
Tv will power on.
Now Tap the (Volume - and Channel -)
you will go in a menu tv mode
with the "remote" hit the down in the arrow (not channel or volume)
Now hit (volume +) and the tv will get arrows ex.(/////////)
The tv will turn green "meaning it was resetted"
Unplug tv from the wall.
Wait (30 Seconds)
Turn tv back on.
Since the Tv was resetted, go through the initiative Welcome startup screen. (Pick your Language, etc..)
What you have there could be one of three possibilities. Micro, eprom or tact switches... Tact switches are the small contact switches behind the buttons you depress to turn the volume up and down or change the channel. Sometimes these small switches can become contaminated or breakdown due to corrosion. What we call in the industry a windex syndrom, because the older crts on some models had the swiches exposed just below the lower ridge of the cry where when cleaning the screen windex could drip down onto the switch and cause the corrosion to begin.
Eprom is another likely suspect. This Ic is responsible for storing an array of information including customer settings and other logics convert what the eprom stores into electronic pulses for any number of fuctions. For example press the volume down on your Tv and the eprom has the information to show you the volume bar, the level the volume bar was last set at and the increments at which you are reducing it realtime.
The Micro is another possibility. It acts like a traffic cop engaging various circuits to do or not do something according to a preset list of conditions. Timers, looking at a particular input or yes even bringing up the menu is tasked through the micro controller Ic or micro for short.
The fact that you can eventually get the unit to operate suggests that something in the logic circuit is failing and will in all likelyhood continue to do so until eventually it doesn't work at all...