Question about Toshiba CF20F40 TV

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Toshiba CF20F40 Hi I have a Toshiba TV that makes a clicking sound when it is turned on or plugged up. However, there is no sound or picture. The red light on the front of the set flashes on and off. Do you have any idea as to what the problem could be. I have checked the fuses in the inside of the TV and they are not blown. Any assistance is greatly appreciated.

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If you had a knoledge in electronics, check the H.O.T transistor, is a big transistor beside the plyback.

Posted on Oct 13, 2008

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Sounds like the tv is overheating. Make sure you arnt placing it in a area that will trap the heat like in a corner of a room. You can always put a fan blowing by the back of the tv too so there is some added ventilation. Let me know how it goes!!

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Looks like a power supply issue the only solution to fix this up is to get it repaired.

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Toshiba model 42hp66 Plasma flat screen Problem No picture or sound. Pushing on button 2 clicks are heard A slight hum is heard at the Z SUS board. Green power light is on (power light is...


Hi

There are some factors of this kind of problem.

First you could have a failure in the power supply. Next could be the main board. Lastly you could have a problem with the panel itself, this would mean a new set for sure because the part cost is more than a new set.

However try troubleshooting the problem before spending money on repairing or replacing the television. Possibly you can restore the picture and sound to your television ...

Verify the TV is powered on by pressing the power button on the TV's remote or the front panel of the set. This may seem like an obvious step, but many TVs are equipped with a standby light that will illuminate if the TV is turned off, making it appear that the TV is on when it is not.Cycle through the TV's video inputs to verify that your TV is set to the right one. For instance, if you are attempting to use a digital cable converter box that is plugged into the Video 1 input and the TV is set to a Video 2 input that has nothing plugged into it, the TV will not display any picture or sound and may even say "No signal" on the screen. To cycle through the inputs, use the input selection button, typically labeled "input," "source," "TV/video" or the like.

Re-seat the video and audio input connections to verify a loose cable is not causing the TV's loss of signal. If you have a coaxial cable connected from your wall cable jack directly into the TV, it may have come loose thereby eliminating all picture and sound on the TV. Locate the connection cable or cables of whatever device you are attempting to watch and unplug them from where they plug into the TV. Plug them back in and check for a signal. If there is still no picture or sound at this point, the best option is to contact technical support for further assistance.

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Well it seems more to be an issue with the ballast, that doesn't have enough voltage to keep on with the lamp. And the ballast is trying to ignite, that's why you hear that clicking sound. Ballast are not that expensive, they're running around 60-70 dlls, It's worth to try.

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the lamp in the projector might have went. try replaceing it. to do so try

ADTECH SYSTEMS they may help

there in mass.
call David Crepeau at 978 261 1087 tell him Ryan Bolduk sent you
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I have the sames t.v you have to go in the back flip the power cord switch...then reboot the t.v.

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