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Everytime I turn on the television everything works fine except no sound. Sometimes unplugging the set and plugging it back in a few moments later fixes it. Sometimes redoing the 10 minutes long auto channel scan works too. But it happens everytime. Also, it isn't exclusive to the cable. If the sound doesn't work with my cable it also doesn't work with the DVD player. So no sound PERIOD. Thanks a lot for your help

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It signifies that there is a problem in the audio circuit on the PCB BOARD TV, you should check starting from the section "Audio Amplifier" check incoming voice signals on the L or R-in Audio-in Audio that led to the AUDIO IC amplifier. If you hear a sound when touched (touch point of tin solder to use a screwdriver) audio input pin means in part that there is no problem, you proceed to check into the IC close to the tuner (it is usually called Chroma IC / VIDEO + combination of Horizontal Drive + Vertical Drvie + IF). Just look at the physical form of IC is greater than the other ICs. tin solder first check whether there are loose or melting resulting in less good solder connections on each foot of the IC. It enables voice sometimes appear and sometimes not. if, after checked and looked normal / still good, you must replace the IC. I did not explain exactly NO. CODE from the IC because you do not describe the specific model and brand of your Flat TV.

Posted on Aug 26, 2010

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