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madsholme
 Post subject: SNow on tv (please read)
PostPosted: Sun Feb 19, 2006 2:17 pm 
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Joined: Fri Dec 02, 2005 7:23 am
Posts: 171
Location: Denmark (PAL-B/G)
Hi

I would like to ask, if there is some setthigns in knopmyth that could be wrong, giving snow on tv, caus, i have tryed everything, and i cant get a clear picture on my KnopmythTv box.

I Have bought expensive signal amplifier, that can power 20 tv´s..
I have bought the expensive cable
I have redone all my cable work, with this expensive cable.

No matter that i do, i have snow/noise on my tv, and its driving me insane. If i just plug it into the tv, i am getting a fine signal, but when i try using my knopmyth box for it, it just give me snow.

So before i give up, and sell my tv card again, could any just tell me if some settings could be wrong giving me bad picture?

the tv card is, Haupauge 500 card:

Code:
root@Backend:~# dmesg | grep ivtv
ivtv:  ==================== START INIT IVTV ====================
ivtv:  version 0.4.0 (tagged release) loading
ivtv:  Linux version: 2.6.13.2-chw-3 SMP preempt 586 gcc-3.3
ivtv:  In case of problems please include the debug info
ivtv:  between the START INIT IVTV and END INIT IVTV lines when
ivtv:  mailing the ivtv-devel mailinglist.
ivtv0: Autodetected WinTV PVR 150 card (iTVC16 based)
ivtv0: Unreasonably low latency timer, setting to 64 (was 32)
tuner (ivtv): chip found at addr 0xc0 i2c-bus ivtv i2c driver #0
ivtv0: i2c attach to card #0 ok [client=(tuner unset), addr=60]
tuner (ivtv): chip found at addr 0xc2 i2c-bus ivtv i2c driver #0
ivtv0: i2c attach to card #0 ok [client=(tuner unset), addr=61]
tveeprom: ivtv version
ivtv0: i2c attach to card #0 ok [client=tveeprom, addr=50]
ivtv0: This is the first unit of a PVR500
cx25840 1-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0)
ivtv0: i2c attach to card #0 ok [client=cx25840, addr=44]
wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0)
ivtv0: i2c attach to card #0 ok [client=wm8775, addr=1b]
tda9885/6/7: (ivtv) chip found @ 0x86
ivtv0: i2c attach to card #0 ok [client=tda9887, addr=43]
ivtv0: Detected a TEA5767 radio tuner. Enabling radio support.
ivtv0: loading /lib/modules/ivtv-fw-enc.bin
ivtv0: Encoder revision: 0x02040011
ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
ivtv0: Allocate DMA encoder YUV stream: 161 x 12960 buffers (2048KB total)
ivtv0: Allocate DMA encoder VBI stream: 80 x 26208 buffers (2048KB total)
ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers (2048KB total)
ivtv0: Create encoder radio stream
tuner: type set to 56 (Philips PAL/SECAM multi (FQ1216AME MK4)) by ivtv i2c driver #0
ivtv0: Initialized WinTV PVR 500 (unit #1), card #0
ivtv:  ======================  NEXT CARD  ======================
ivtv1: Autodetected WinTV PVR 150 card (iTVC16 based)
ivtv1: Unreasonably low latency timer, setting to 64 (was 32)
tuner (ivtv): chip found at addr 0xc2 i2c-bus ivtv i2c driver #1
ivtv1: i2c attach to card #1 ok [client=(tuner unset), addr=61]
tveeprom: ivtv version
ivtv1: i2c attach to card #1 ok [client=tveeprom, addr=50]
cx25840 2-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #1)
ivtv1: i2c attach to card #1 ok [client=cx25840, addr=44]
wm8775 2-001b: chip found @ 0x36 (ivtv i2c driver #1)
ivtv1: i2c attach to card #1 ok [client=wm8775, addr=1b]
tda9885/6/7: (ivtv) chip found @ 0x86
ivtv1: i2c attach to card #1 ok [client=tda9887, addr=43]
ivtv1: This is the second unit of a PVR500
ivtv1: Correcting tveeprom data: no radio present on second unit
ivtv1: loading /lib/modules/ivtv-fw-enc.bin
ivtv1: Encoder revision: 0x02040011
ivtv1: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
ivtv1: Allocate DMA encoder YUV stream: 161 x 12960 buffers (2048KB total)
ivtv1: Allocate DMA encoder VBI stream: 80 x 26208 buffers (2048KB total)
ivtv1: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers (2048KB total)
tuner: type set to 56 (Philips PAL/SECAM multi (FQ1216AME MK4)) by ivtv i2c driver #1
ivtv1: Initialized WinTV PVR 500 (unit #2), card #1
ivtv:  ====================  END INIT IVTV  ====================
root@Backend:~#


from : /etc/mythtv/modules/ivtv

Code:
alias char-major-81 videodev
alias char-major-61 lirc_i2c
#options ivtv debug=1
#options tuner type=2
options msp3400 once=1 simple=1
install ivtv /sbin/modprobe tuner; /sbin/modprobe msp3400; /sbin/modprobe saa71$
remove ivtv /sbin/modprobe -r --ignore-remove ivtv && /sbin/modprobe -r saa7115$


from : /etc/sysconfig/ivtv/cfg-0 & 1

Code:
IVTV_TUNER='56'
IVTV_TYPE='PAL'


from : /etc/init.d/set_ivtv_params

Code:
# Default values, if not specified in $IVTVDIR/cfg-*
IVTV_DT='56'            # Tuner input,0
IVTV_DF='PAL'           # tuner format [NTSC|PAL]


my settings: mythtv-setup
TV format = PAL
VBI Format = PAL Teletext
Channel Frequency table = europe-west

i used ptune-ui.pl to tune into channels from mythtv, the frequency table is set to the right one.

some one got some ideas?
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cesman
 Post subject:
PostPosted: Tue Feb 21, 2006 1:41 am 
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Joined: Fri Sep 19, 2003 7:05 pm
Posts: 5088
Location: Fontana, Ca
Pleae read... That stuck me as funny. At any rate. Do you want a way to verify that the signal from from "the wall" is good?

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cesman

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madsholme
 Post subject:
PostPosted: Tue Feb 21, 2006 11:24 am 
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Joined: Fri Dec 02, 2005 7:23 am
Posts: 171
Location: Denmark (PAL-B/G)
cesman wrote:
Pleae read... That stuck me as funny. At any rate. Do you want a way to verify that the signal from from "the wall" is good?


as far i know the only way is to get the cable guys out. But if you call them out and there isent something wrong it cost money...
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ille
 Post subject:
PostPosted: Tue Feb 21, 2006 3:13 pm 
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Joined: Thu Sep 09, 2004 4:26 am
Posts: 77
Location: Sweden
Looks like good ivtv output and you get signal when using ptune-ui.pl

If you write in a shell:
Code:
 mysql -u mythtv --password=mythtv mythconverg

then type
Code:
select chanid, channum, name , freqid  from channel;


what do you get?
I get:
Code:
+--------+---------+---------------------+--------+
| chanid | channum | name                | freqid |
+--------+---------+---------------------+--------+
|      1 | 1       | Svt 1               | E5     |
|      2 | 2       | Svt 2               | E7     |
|      3 | 3       | TV3                 | E9     |
|      4 | 4       | TV4                 | E11    |
|      5 | 5       | Kanal 5             | SE6    |
|      6 | 6       | TV4 Plus            | SE9    |
|      7 | 7       | ZTV                 | SE13   |
|      8 | 8       | SVT 24              | E8     |
|      9 | 9       | Kunskap/Barnkanalen | E10    |
|     10 | 10      | TV4 Film            | 23     |
|     12 | 12      | Viasat Sport 1      | SE14   |
|     14 | 14      | Animal Planet       | SE16   |
|     15 | 15      | Discovery Channel   | SE15   |
|     16 | 16      | Discovery Science   | SE17   |
|     17 | 17      | Eurosport           | SE8    |
|     18 | 18      | MTV Nordic          | SE11   |
+--------+---------+---------------------+--------+

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stinga
 Post subject:
PostPosted: Wed Feb 22, 2006 4:18 am 
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Joined: Sat Nov 05, 2005 4:37 am
Posts: 191
Location: Cornwall - uk
You made an interesting comment...
Quote:
as far I know the only way is to get the cable guys out. But if you call them out and there isn't something wrong it cost money...


Is this cable or bog standard TV signal from a lump of metal on the roof?

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stinga

as of 17-May-2018
R8.2 - sort of working.
MB: gigabyte GA-P43-ES3G | RAM: 2GB
VGA: PNY Nvidia GT240 1GB
4 x Technisat skystar 2 dvb | 1 x TBS6981 dvb-s2
pata: 1x300Gb | sata: 2x1Tb 2x2Tb
Problems:
TBS6981 Does not work.
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madsholme
 Post subject:
PostPosted: Fri Mar 17, 2006 2:07 pm 
Offline
Joined: Fri Dec 02, 2005 7:23 am
Posts: 171
Location: Denmark (PAL-B/G)
stinga wrote:
You made an interesting comment...
Quote:
as far I know the only way is to get the cable guys out. But if you call them out and there isn't something wrong it cost money...


Is this cable or bog standard TV signal from a lump of metal on the roof?


its from an real cable not atenna!
also to late the mashine isent running knoppmyth any more...
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