Samsung 42 After playing for about 1 hour the sound does not match the mouth movement of people on TV. I have a XT-X70 theater system which came with my system... Can you help

If you do not have a manual for the machine down load one at http://www.samsung.com/us/support/downloads/LN32B460B2D

It will show you how to set up a Home Theater Connection

Connecting an Amplifier / DVD Home Theater

TV Rear Panel

1 Audio Cable (Not supplied)

Amplifier/DVD Home Theater

1 Connect Audio Cables between the

AUDIO OUT [R-AUDIO-L] jacks on

the TV and Audio Input jacks on the

Amplifier / DVD Home Theater.

When an audio amplifier is connected

to the AUDIO OUT [R-AUDIO-L]

jacks: Decrease the volume of the TV

and adjust the volume level with the

Amplifier's volume control.

Each Amplifier/DVD Home Theater has

a different back panel configuration.

When connecting an Amplifier/DVD

Home Theater, match the color of the

connection terminal to the cable.

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There should be an option in one of the menus called lipsync or something similar. This allows you to adjust the sound and picture sync.

First check in back that the fan is running. Second: Remove cover and check for bad capacitors in the back right corner. The ones in my system were blue. one had totally dissolved. I replaced the capacitor ad the system worked fine, Then found the fan was not running so replaced that too. It does take some soldering to repace the capacitor.

I AM HAVING SAME PROBLEM WITH MY HT-X70 I HAD FOR ABOUT 3 YEARS NOW. I OPENED IT UP AND DUSTED THE LASER OFF BUT STILL NO LUCK. ONLY THIN I CAN THINK OF IS LASER IS BURNT OUT AND NEEDS TO BE REPLACED

Sounds like a heat problem, look on the back of the player and see if the fan is full of debris ( dust, pet hair, ect.) blow it out and see if that helps.

Does this happen with both Blu-Ray discs as well as DVD-Video?

If so, it may be the connection or your TV.

If it only happens with one or the other, its a problem with etiher the Blu-Ray lens or the DVD lens and i would advise contacting Samsung to arrnage a service.

If its happening with both, try repalcing the cable you are using and test the Blu-Ray on another TV

A common problem with these "all in one units"
When you have a DVD playing it is a digital signal direct to the processor.
When you have an external source ie: TV etc it may be a digital source, but you have to tell the Samsung unit this.
Make sure when it is on the TV setting (Aux) or whatever input you have chosen is in Dolby Digital or similar, Not stereo.
The unit should have a setting for this called sound program or sound setting.

Check the fuse at the back of the sub it might have blown

Go to menu, select language choose appropriate language.

The video and audio are processed along different paths when they are converted from digital information to analog. Delays can surely differ between them.
If the system doesn't provide any synchronization adjustments on the menu and the unit is out of warranty, you may be stuck with the problem, one that does not seem to be common to your model.

A crappy HDTV (Ilo/Walcrap) we have, will sometimes randomly do this and there are no 'fixes' for the annoying problem.