On Sun, Aug 3, 2008 at 11:18 AM, Andrey Falko <ma3oxuct@xxxxxxxxx> wrote: > Hi, > > I suspect that my HVR-1800 has a hardware defect where, it can't get > signals via ATSC or NTSC. Before I send it back, I'd like to know if > I'm doing something wrong or if I'm missing something. I've never had > or played with a tuner card. > > First, I get my kernel to support the card by compiling the cx23885 > module. After modprobing cx23885, I get /dev/dvb/adapter0/ folder as > well as a /dev/v4l folder containing video0 and video1. > > The next thing I did was try dvbscan > /usr/share/dvb/atsc/us-CA-SF-Bay-Area . I am located in the Bay Area. > I tried some other files in that directory, but none of them was able > to tune to a frequency. > > Next, I tried running w_scan -a 0, this gave me the following output: > > w_scan version 20060902 > -_-_-_-_ Getting frontend capabilities-_-_-_-_ > -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ > ERROR: Sorry - i couldn't get any working frequency/transponder > Nothing to scan!! > dumping lists (0 services) > Done. > > I then tried dtvsignal from pcHDTV, it gave me this output: > > # ./dtvsignal -dvb 0 > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' > tuning to 57000000 Hz > video pid 0x0021, audio pid 0x0024 > dtvsignal ver 1.0.7 - by Jack Kelliher (c) 2002-2007 > channel = 2 freq = 57000000Hz > 30db 0% 25% 50% 75% 100% > Signal: | . : . | ._____:_____._____| > Signal: 000 . > > The HVR-1800 had two ports, an ATSC and TV Cable. I tried both w_scan > and dtvsignal over both ports. I also tried to different cables with > each. > > If I tell mplayer to use analog tv, I get a green screen. VLC gives me > static. Without channels.conf mplayer should not play dtv. VLC > reported that it could not tune. > > Unfortunately for debugging purposes I don't have either a Windows OS > nor a TV that I can hook up. > > Should I buy an antenna? Return this card? Or is there something else > I can try or something that I am missing? > > Thank you in advance for any help. > > -Andrey > I bought a cheap antenna for testing purposes, and I've been able to pick up channels right away with dvbscan, so its not a hardware or kernel driver problem. Thanks for everyone who's worked so hard to make it possible to get this card supported in vanilla-sources! _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
