[mythtv-users] UK: Problems tuning Hauppauge NOVA-T500 (DSO related?)

Gavin Whitehead gavin at alabastercranium.demon.co.uk
Sun Jan 15 21:21:30 UTC 2012


Hi,

I'm in the process of building my first MythTV box and I am currently 
testing my tuner cards.  I'm having trouble getting my Hauppauge WinTV 
NOVA-T-500 to tune to the DVT-B channels (Sandy Heath transmitter in the 
UK).
I am running the command scan command (from dvb-apps) on my Ubuntu 11.10 box

     scan -a 0 -x 0 /usr/share/dvb/dvb-t/uk-SandyHeath | tee nova-t.txt

The output is as follows:

gavin at mc03:~/dvb$ scan -a 0 -x 0 /usr/share/dvb/dvb-t/uk-SandyHeath | 
tee nova-t-500.txt
scanning /usr/share/dvb/dvb-t/uk-SandyHeath
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
initial transponder 641833000 0 3 9 1 0 0 0
initial transponder 665833000 0 2 9 3 0 0 0
initial transponder 650167000 0 2 9 3 0 0 0
initial transponder 842000000 0 3 9 1 0 0 0
initial transponder 626167000 0 3 9 1 0 0 0
initial transponder 674167000 0 3 9 1 0 0 0
 >>> tune to: 
641833000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
WARNING: >>> tuning failed!!!
 >>> tune to: 
641833000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
(tuning failed)
WARNING: >>> tuning failed!!!
 >>> tune to: 
665833000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
WARNING: >>> tuning failed!!!
 >>> tune to: 
665833000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
(tuning failed)
WARNING: >>> tuning failed!!!
 >>> tune to: 
650167000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
WARNING: >>> tuning failed!!!
 >>> tune to: 
650167000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
(tuning failed)
WARNING: >>> tuning failed!!!
 >>> tune to: 
842000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
WARNING: >>> tuning failed!!!
 >>> tune to: 
842000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
(tuning failed)
WARNING: >>> tuning failed!!!
 >>> tune to: 
626167000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
WARNING: >>> tuning failed!!!
 >>> tune to: 
626167000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
(tuning failed)
WARNING: >>> tuning failed!!!
 >>> tune to: 
674167000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
WARNING: >>> tuning failed!!!
 >>> tune to: 
674167000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
(tuning failed)
WARNING: >>> tuning failed!!!
ERROR: initial tuning failed
dumping lists (0 services)
Done.


And the 'uk-Sandyheath' file looks like this.


# UK, Sandy Heath
# Auto-generated from http://www.dtg.org.uk/retailer/dtt_channels.html
# and http://www.ofcom.org.uk/static/reception_advice/index.asp.html
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 641833000 8MHz 3/4 NONE QAM16 2k 1/32 NONE
T 665833000 8MHz 2/3 NONE QAM64 2k 1/32 NONE
T 650167000 8MHz 2/3 NONE QAM64 2k 1/32 NONE
T 842000000 8MHz 3/4 NONE QAM16 2k 1/32 NONE
T 626167000 8MHz 3/4 NONE QAM16 2k 1/32 NONE
T 674167000 8MHz 3/4 NONE QAM16 2k 1/32 NONE


My machine is currently dual boot.  If I boot it in to Win XP I can run 
up the Hauppauge WinTV application, scan for and find the channels, and 
watch TV.  So I'm pretty sure the NOVA-T-500 card is working and my 
cabling is OK.

I had noticed that the 'dvb-apps' package hasn't been updated in a 
while.  Does anyone know if the values in the 'uk-Sandyheath' file are 
valid post DSO?  Or any other clues as to why this isn't working?

Gav


More information about the mythtv-users mailing list