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5500 install problem
PostPosted: Mon Sep 04, 2006 1:08 am Reply with quote
ngibsonn
 
Joined: 04 Sep 2006
Posts: 5




Hello,

I recently purchased a PChdtv 5500 card to use with my hdtv time warner digital cable box in the NYC area. At this point I'm starting to think I may have a bad card.

I have the verified that the drivers successfully load and well as the firmware but dvbscan, atscscan and dtvsignal all return nothing. I have verified that both the coax and the svideo connections from my cable box are outputting hdtv signals. At this point the only piece of hardware that hasn't been verified is the 5500 card. The only other thing I can think of is that because my hdtv channels are all in the 700+ channel range there is something I have to do to scan that high.
I have tried atscscan with every channel definition file in the atsc directory and no channels are identified.

I have attached the output from /var/log/messages as well as dtvsignal, dvbscan and atscscan. I also see the following error repeated multiple times in /var/log/messages: cx88[0]/2: cx8802_timeout also lspci -v reports: Subsystem: pcHDTV: Unknown device 5500. I have attached the entire output from lspci -v below.

Any help would be much appreciated. Please let me know if I can provide any other information.

Thanks

/var/log/messages | grep cx
cx2388x dvb driver version 0.0.5 loaded
CORE cx88[0]: subsystem: 7063:5500, board: pcHDTV HD5500 HDTV [card=47,autodetected]
cx88[0]/2: found at 0000:01:09.2, rev: 5, irq: 66, latency: 32, mmio: 0xfa000000
cx88[0]/2: cx2388x based dvb card
DVB: registering new adapter (cx88[0]).
cx2388x alsa driver version 0.0.5 loaded
cx88[0]/1: CX88x/0: ALSA support for cx2388x boards
cx2388x v4l2 driver version 0.0.5 loaded
cx88[0]/0: found at 0000:01:09.0, rev: 5, irq: 66, latency: 32, mmio: 0xfc000000
tuner 2-0061: chip found @ 0xc2 (cx88[0])
tda9887 2-0043: chip found @ 0x86 (cx88[0])
cx88[0]/0: registered device video0 [v4l2]
cx88[0]/0: registered device vbi0

[root@localhost scan]# uname -a
Linux localhost.localdomain 2.6.17-1.2142_FC4 #1 Tue Jul 11 22:41:14 EDT 2006 i686 athlon i386 GNU/Linux

lspci -v
01:09.1 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio Decoder [Audio Port] (rev 05)
Subsystem: pcHDTV: Unknown device 5500
Flags: bus master, medium devsel, latency 32, IRQ 66
Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [4c] Power Management version 2

[root@localhost scan]# dtvsignal -q
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
setting frontend to QAM cable
tuning to 57000000 Hz
video pid 0x0021, audio pid 0x0024
dtvsignal ver 1.0.3 - by Jack Kelliher (c) 2002,2005,2006
channel = 2 freq = 57000000Hz table 57
channel = 2 freq = 57000000Hz
30db 0% 25% 50% 75% 100%
Signal: | . : . | ._____:_____._____|
Signal: 000 .

scanning atsc/us-Cable-Standard-center-frequencies-QAM256
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
>>> tune to: 57000000:QAM_256
WARNING: >>> tuning failed!!!
>>> tune to: 57000000:QAM_256 (tuning failed)
ERROR: interrupted by SIGINT, dumping partial result...
dumping lists (0 services)
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Re: 5500 install problem
PostPosted: Tue Sep 12, 2006 2:08 pm Reply with quote
tupari
 
Joined: 29 Dec 2004
Posts: 38




Have you tried getting a signal from an antenna?
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Re: 5500 install problem
PostPosted: Tue Sep 12, 2006 7:50 pm Reply with quote
pcHDTV_tech
 
Joined: 16 Dec 2004
Posts: 295




ngibsonn wrote:
I recently purchased a PChdtv 5500 card to use with my hdtv time warner digital cable box in the NYC area. At this point I'm starting to think I may have a bad card.

Not out of the question but let's try a few things first.

ngibsonn wrote:
I have verified that both the coax and the svideo connections from my cable box are outputting hdtv signals.

How did you verify this? S-video cannot put out hdtv signals. It can put out signals from your cable box in standard digital video format. You would then use the standard video portion of the card to watch/capture video from the s-video input. As for the coax, was the confirmation anything more than verifying that the cable box could receive its stations?

ngibsonn wrote:
The only other thing I can think of is that because my hdtv channels are all in the 700+ channel range there is something I have to do to scan that high.

All cable channels fall in the cable frequency range. Comcast just maps the HD channels into a set of numbers on their cable box. So 700+ doesn't tell you anything about the actual frequency it is broadcasting on.

ngibsonn wrote:
[root@localhost scan]# dtvsignal -q
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
setting frontend to QAM cable
tuning to 57000000 Hz
video pid 0x0021, audio pid 0x0024
dtvsignal ver 1.0.3 - by Jack Kelliher (c) 2002,2005,2006
channel = 2 freq = 57000000Hz table 57
channel = 2 freq = 57000000Hz
30db 0% 25% 50% 75% 100%
Signal: | . : . | ._____:_____._____|
Signal: 000 .

Well, I doubt you would see anything digital on channel 2 which is the default.

ngibsonn wrote:

scanning atsc/us-Cable-Standard-center-frequencies-QAM256
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
>>> tune to: 57000000:QAM_256
WARNING: >>> tuning failed!!!
>>> tune to: 57000000:QAM_256 (tuning failed)
ERROR: interrupted by SIGINT, dumping partial result...
dumping lists (0 services)

This also looks like you exited the atsc scan utility before it could tune to anything above channel 2 (57 MHz). The "tuning failed" mesage happens when there is no signal present. You need to let the scan program you used above complete it's full scan through the frequency table. The you should have a better idea if there truly was nothing out there for your card to capture.

HTH,

Rusty
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5500 install problem
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