Having problems with your Flat Panel Televisions ?

My LG 55" LV9500 loses sound when switching from a standard def (480p) channel to a high def (720p or 1080p) channel. Then if I switch it back to SD the sound will come back. Yet EVERY time I want to watch a channel in HD I have to either turn my tv off and on again or go into my output resolution settings and uncheck 720p/1080p then recheck it again (even though it's already set to automatic). Is it the hdmi cable? The tv? The cable box? Any help would be greatly appreciated as it's driving me

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Repair Help & Product Troubleshooting for Flat Panel Televisions
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My LG 55" LV9500 loses sound when switching from a standard def (480p) channel to a high def (720p or 1080p) channel. Then if I switch it back to SD the sound will come back. Yet EVERY time I want to watch a channel in HD I have to either turn my tv off and on again or go into my output resolution settings and uncheck 720p/1080p then recheck it again (even though it's already set to automatic). Is it the hdmi cable? The tv? The cable box? Any help would be greatly appreciated as it's driving me

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