Audio problems with Yamaha N12

Hey,
I'm using the Yamaha N12 digital mixer plugged via firewire with FCP, and I'm having massive audio problems / sync problems: audio is always about 1 sec delayed. I've checked the a/v-configuration and it seems ok to me. The problem does not occur in other audio apps like iTunes or Adobe Premiere.
What could be the reason? Thanks for your help!
--- carsten.

Some TVs have had issues with the HDMI handshake and the Audio. You may be required to use the separate bulkier HD Component cables with separate audio cables. Or try it as a solution on that TV.
I have CHS 435 DVR on a Samsung, and 2 CHS 335s on different model Vizio TVs, all with HDMI, and no issues. Others have reported different issues. I did a search here with the following results. Perhaps this information will help.
http://forums.verizon.com/t5/forums/searchpage/tab/message?filter=location&location=forum-board%3AFi...

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General
Complete name                            : \CONTENTS\VIDEO\0068T7.MXF
Format                                   : MXF
Format profile                           : OP-Atom
Format settings                          : Closed / Complete
File size                                : 3.92 GiB
Duration                                 : 2mn 28s
Overall bit rate                         : 227 Mbps
Encoded date                             : 2014-10-15 13:33:41.000
Writing application                      : Panasonic P2 2.0
Writing library                          : Panasonic P2 2.0
Video
ID                                       : 2
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High 4:2:[email protected]
Format settings, CABAC                   : No
Format settings, GOP                     : N=1
Format settings, wrapping mode           : Clip
Codec ID                                 : 0D01030102106002-0401020201323104
Duration                                 : 2mn 28s
Bit rate                                 : 227 Mbps
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate                               : 50.000 fps
Standard                                 : Component
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Bit depth                                : 10 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 2.193
Stream size                              : 3.92 GiB (100%)
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709
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General
Complete name                            : \CONTENTS\AUDIO\0068T700.MXF
Format                                   : MXF
Format profile                           : OP-Atom
Format settings                          : Closed / Complete
File size                                : 13.6 MiB
Duration                                 : 2mn 28s
Overall bit rate mode                    : Constant
Overall bit rate                         : 770 Kbps
Encoded date                             : 2014-10-15 13:33:41.000
Writing application                      : Panasonic P2 2.0
Writing library                          : Panasonic P2 2.0
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ID                                       : 3
Format                                   : PCM
Format settings, Endianness              : Little
Format settings, wrapping mode           : Clip (AES)
Codec ID                                 : 0D01030102060400
Duration                                 : 2mn 28s
Bit rate mode                            : Constant
Bit rate                                 : 768 Kbps
Channel(s)                               : 1 channel
Sampling rate                            : 48.0 KHz
Bit depth                                : 16 bits
Stream size                              : 13.6 MiB (100%)

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