Thanks for your reply. I have some more information now.
sudo dmesg | grep DVB
[ 56.031255] DVB: registering new adapter (cx88[0]).
[ 56.031269] DVB: registering frontend 0 (Conexant CX22702 DVB-T)...
The card works within Kaffeine but not within MythTv ....
lsmod | grep cx
cx88_alsa 13192 0
cx22702 6404 1
cx88_dvb 15748 5
cx88_vp3054_i2c 4352 1 cx88_dvb
dvb_pll 14468 2 cx88_dvb
video_buf_dvb 6788 1 cx88_dvb
snd_pcm 76680 5 cx88_alsa,snd_emu10k1,snd_ac97_codec,snd_pcm_oss
cx8800 34060 0
cx8802 17924 1 cx88_dvb
cx88xx 66212 4 cx88_alsa,cx88_dvb,cx8800,cx8802
ir_common 30340 1 cx88xx
i2c_algo_bit 7816 2 cx88_vp3054_i2c,cx88xx
tveeprom 14992 1 cx88xx
i2c_core 21648 9 i2c_ec,cx22702,cx88_dvb,cx88_vp3054_i2c,dvb_pll,cx88xx,i2c_algo_bit,tveeprom,nvidia
video_buf 25348 6 cx88_alsa,cx88_dvb,video_buf_dvb,cx8800,cx8802,cx88xx
snd 51716 21 cx88_alsa,snd_emux_synth,snd_seq_virmidi,snd_emu10k1,snd_ac97_codec,snd_hwdep,snd_pcm_oss,snd_pcm,snd_mixer_oss,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
compat_ioctl32 1408 1 cx8800
btcx_risc 5000 4 cx88_alsa,cx8800,cx8802,cx88xx
videodev 27136 2 cx8800,cx88xx
v4l2_common 24192 2 cx8800,videodev
v4l1_compat 14340 2 cx8800,videodev
Any further ideas? Appreciate your help.
Oz