Usb digital tv tuner (avl680hd) only tuning into a couple of channels

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AVLabs Digital TV tuner model AVL680HD also known as KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)

I know there are 27 TV channels available in my area and that the USB tuner will tune into all of them because when I plug it into my son’s Windows XP PC it works, however it is an old PC with no graphics card so the quality of the displayed footage is poor.

I got the driver from http://www.otit.fi/~crope/v4l-dvb/af…irmware_files/ Ihave used af9015 version 4.95.0.

For the drivers I followed the basic approach outlined at http://www.linuxtv.org/wiki/index.ph…Device_Drivers

I have used w_scan to create an initial data file for my location (Australia) and then scan to scan for channels I can receive. Tv satellite s r l Some times I get no channels and simetimes I get three (WIN, GO and GEM). Satellite tv receiver hack Tuning into these channels once they are found is no problem. List of satellite tv providers I just use tzap.

A google search reveals this is a common problem but I have trouble understanding what the solution is due to the technical nature of the replies.

On my setup, Kaffeine player’s own scanner is coming up with more results than w_scan. Satellite tv in australia free I use internal PCI DVB-S satellite card though, finds over 300 channels on Astra 24E. What is better cable or satellite tv Sorry, can’t of more help, i’ve never used a USB tuner.

Many DVB tuners need to be loaded with firmware as part of the driver loading to get the standard NTSC channels to come up. Direct tv dish setup guide The windows drivers for your stick probably loaded the firmware files when you installed the software for it.

Check the Wiki @ linuxtv.org to see if your usb stick is supported or for clues on how to get it to work.

I have spent some time browsing the linuxtv.org Wiki that you have mentioned I couldn’t see anything which talked about the situation that I have.

On the subject of firmware I have posed the output from dmesg. Dish tv installation guide From what I can make out it seems to be telling me that the firmware is being loaded correctly.

> [ 531.220041] usb 2-2: new high speed USB device using ehci_hcd and address 6

> [ 531.355734] usb 2-2: New USB device found, idVendor=1b80, idProduct=e395

> [ 531.355743] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0

> [ 531.355945] usb 2-2: configuration #1 chosen from 1 choice

> [ 531.719846] dvb-usb: found a ‘KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)’ in cold state, will try to load a firmware

> [ 531.719857] usb 2-2: firmware: requesting dvb-usb-af9015.fw

> [ 531.725771] dvb-usb: downloading firmware from file ‘dvb-usb-af9015.fw’

> [ 531.793088] dvb-usb: found a ‘KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)’ in warm state.

> [ 531.793162] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.

> [ 531.793523] DVB: registering new adapter (KWorld USB DVB-T TV Stick II (VS-DVB-T 395U))

> [ 531.805706] DVB: registering adapter 0 frontend 0 (Afatech AF9013 DVB-T)…

> [ 531.812876] input: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.7/usb2/2-2/rc/rc0/input13

> [ 531.812985] rc0: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.7/usb2/2-2/rc/rc0

> [ 531.812992] dvb-usb: schedule remote query interval to 500 msecs.

> [ 531.812999] dvb-usb: KWorld USB DVB-T TV Stick II (VS-DVB-T 395U) successfully initialized and connected.

> [ 531.220041] usb 2-2: new high speed USB device using ehci_hcd and address 6

> [ 531.355734] usb 2-2: New USB device found, idVendor=1b80, idProduct=e395

> [ 531.355743] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0

> [ 531.355945] usb 2-2: configuration #1 chosen from 1 choice

> [ 531.719846] dvb-usb: found a ‘KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)’ in cold state, will try to load a firmware

> [ 531.719857] usb 2-2: firmware: requesting dvb-usb-af9015.fw

> [ 531.725771] dvb-usb: downloading firmware from file ‘dvb-usb-af9015.fw’

> [ 531.793088] dvb-usb: found a ‘KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)’ in warm state.

> [ 531.793162] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.

> [ 531.793523] DVB: registering new adapter (KWorld USB DVB-T TV Stick II (VS-DVB-T 395U))

> [ 531.805706] DVB: registering adapter 0 frontend 0 (Afatech AF9013 DVB-T)…

> [ 531.812876] input: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.7/usb2/2-2/rc/rc0/input13

> [ 531.812985] rc0: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.7/usb2/2-2/rc/rc0

> [ 531.812992] dvb-usb: schedule remote query interval to 500 msecs.

> [ 531.812999] dvb-usb: KWorld USB DVB-T TV Stick II (VS-DVB-T 395U) successfully initialized and connected.

I am still stuck with this problem any further suggestions are welcome.

Can you get a lsmod post, it would be cool if we could see if your tuner module is being loaded.

Also with some DVB cards the NTSC tuner shows up in your /dev directory as a video0 .. Satellite tv cable accessories the DVB portion will show up as frontend0 in its own /dev/dvb/adapter0 directory. Tv satellite providers in canada You can see if those device files are there.

Does this test between two computer exactly imitate the way the antenna is on?

These usb tuners may also be subject to slight voltage or current availability in different models. Tv satellite pc It may help to try a powered usb 2.0 hub as a test.

Basically I have found the usb tuners to be the worst in terms of signal reception quality. Tolo tv frequency europe hotbird Unless I find a better product the silicon dust is one of the best but not cheap or small.

I have just bought a PEAK usb-stick which is supposedly identical the the OP.

[ 19.218027] dvb-usb: found a ‘KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)’ in cold state, will try to load a firmware

[ 19.257599] dvb-usb: downloading firmware from file ‘dvb-usb-af9015.fw’

[ 19.324973] dvb-usb: found a ‘KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)’ in warm state.

[ 19.325138] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.

[ 19.325477] DVB: registering new adapter (KWorld USB DVB-T TV Stick II (VS-DVB-T 395U))

[ 19.396428] DVB: registering adapter 0 frontend 0 (Afatech AF9013 DVB-T)…

[ 19.416922] input: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/rc/rc0/input10

[ 19.416995] rc0: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/rc/rc0

[ 19.416997] dvb-usb: schedule remote query interval to 500 msecs.

[ 19.417000] dvb-usb: KWorld USB DVB-T TV Stick II (VS-DVB-T 395U) successfully initialized and connected.

[ 19.426968] usbcore: registered new interface driver dvb_usb_af9015

but, here is the peculiar bit. Dish tv installation guide pdf Under Kubuntu 3.0.0.14, using Kaffeine I scan about 40 of 70 possible channels. Tv polonia satellite hotbird Using VLC, I can scan zero. Satellite tv providers australia The device will only scan if tried from a power-on, a reset is insufficient. Satellite tv channel comparison A pinnacle 72e in the same machine returns all channels in both apps, every time.

TV Tuner – Working, audio razzy, v4lctl will not change channels correctly,…

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