When I plugged power core into the wall outlet, I kept hearing clicking sound without touching anything. I tried to turn the TV on and off but none of button works. What's wrong? It went bad all of sudden. Your help is highly appreciated.
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Re: My TV will not turn on
I agree with techman. It is not a simple problem which a layman can resolve with his home tools kit.
Best to get professional help. It will save you lots of bother (and money). The problem is definitely in the Power Supply (SMPS) circuits or the Horizontal Oscillator circuits.
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Re: My TV will not turn on
Yeppers ,This is how they go out. All of a suddenly and sometimes while your watching it. Right in the middle of a good movie too!!. Your problem could be anything from the horizontal drive circuit or power supply problem If your not experienced with solid state repair then you should get a tech to assist you with this repair as there are no user serviceable parts inside this set and could be very dangerous if you dont know the safty issues concerning the HI VOILTAGE. Good Luck
Me too but its cablevison and i hate when the internet doesnt have the answer ugggg but your lucky you could see stuff the only button thts not working is the tv button but the cablevison works just fine and i think the tv was laughing at me (no joke)
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Plug the power cord directly into a wall power outlet, and make sure that the standby light is lit (turn it on/off manually to see if anything changes). If there isn't any light, then it's most likely broken.
If the TV works again, being plugged into the power outlet in the wall, then the problem is with the cable box (i bet you figured that out too).
The first thing to check is if your power outlets have surge protector breakers. Try plugging in another simple appliance like a lamp into the outlet and make sure the outlet has power.
If the outlet is fine try plugging in the TV and listening very carefully from the back of the TV for a subtle click noise. The power supply has a mechanical relay that switches when the TV receives power. If you can not hear the click and there are no stand by or power lights illuminated then you likely have a power supply problem. This could range from a blown fuse to a bad capacitor up to a burnt out power regulator. Anything more serious than those problems may warrant simply replacing the whole power supply. Depending on your TV that board could cost anywhere from $50-$175. The power supply can be tested using a multimeter to determine if it is the source of the problem but this should not be attempted unless you have some electroics repair training and are aware of the dangers involved in working on high voltage electronics.
Check whether the product is turned on. Try another channel. The problem may be with the broadcast. Is the power cord inserted into wall power outlet? Check your antenna direction and/or location. Test the wall power outlet, plug another product's power cord into the outlet where the product's power cord was plugged in. If these tips don't work, you can also try to power cycle the TV. Turn the TV off and unplug it for about a minute. Plug it back in and power it back on to reset the settings back to factory default.
Lets focus on the external portion of the TV set first (95 percent of all TV problems are related to things EXTERNAL To the tv itself) Check the physical CONNECTION of all cables by removing each wire bare or RCA and reinstalling it (Each power cable as well), once you have removed one cable, check it for fraying, and if it is already bare, splice a new fresh connection for it. 5. Check to make sure there are NO OTHER uneeded radios, system nearby. these systems, when powered on, will cause electromagnetic interference and prevent more than just severe tv interference SURGE PROTECTOR Surge protectors account for more than 75 percent of electric faults to stereo equipment. Lets start with your AC Wall outlet. It is standard in america that 220 Volts from out of these outlets. This implies that each device will be using 220 Volts (From within that grid zone). If anything including an alarm clock is plugged into any AC outlet socket in the vicinity of the stereo equipment/TV, it will cause electric outage, and prevent electronics from even turning on! Your TV needs dedicated electric power. If your TV is located in the living room then unplug everything else in the living room. Lets plug the TV set into a Dedicated socket. Check all light switches to ensure that power is on for that outlet. Check the TV cable for Fraying both on the ac wall end and where it plugs into the TV. Check all GFCI outlets to ensure that all red reset buttons are pushed in, check the circuit breakers for proper connection and they are turned on. Now, lets try the TV set without it connected to any cable services, vcr, dvd, stereo system, etc.
Try the 60 seconds unplugging of wall plug in your outlet. Or check your line if this have surge protector. Temporary plug your unit to wall outlet directly. Just check if it still within voltage operating range.
1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use. 2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.
3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on.
If this doesn't solve the issue, it sounds like your TV's connection between the power supply and the mainboard is defective. If the power supply was shot, you would hear nothing at all. I hope the above step helps.
it sounds like you may have a bad power supply. Before you do anything else try pulling the power on the tv then plug it back in. Also if it is on a power strip try plugging it directly in the wall, you mar have a bad power strip. Try a different electrical outlet if it plugged dirrectly in the wall.
You can check the board where the components are mounted and resolder any that look bad. a brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet.
In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer.
all can be replaced at a local electronic or hardware store and they're easy to replace
If this does not correct the problem, you may need to have your TV serviced.