TBS-6522 - no DVB-T2 HD channels found (1 Viewer)

Hawkeye

Portal Pro
January 29, 2005
548
87
Halle (Saale)
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Because of the upcoming switch to DVB-T2 HD here in Germany, I bought a TBS-6522 card to replace my Hauppauge HVR-1300. After having struggled to get any channel (probably because of a misconfiguration on my part), I finally managed to get the DVB-T channels working. But I could not find the DVB-T2 HD test channels ...

According to this website it should be on frequency 514 MHz - and I could find them with the TBS viewer software.

I know my system is probably underpowered to show the HD channels satisfactorily but that shouldn't bother the channel scan, am I right?

Could it be that MediaPortal does not recognize that the card is capable of DVB-T2?
 

Sarah

Portal Member
May 20, 2013
34
6
Germany Germany
Habe mir die Logs nicht angesehen ...

Habe gelesen, dass man vorher die bestehenden Sender löschen soll. Erster Scan mit Auswahl der Region hat keine HD Sender gebracht. Irgendwo habe ich auch gelesen, dass man mit "All Regions" scannen soll. Da scannt er jetzt seit 10 Min, bin gespannt ...
 

Sarah

Portal Member
May 20, 2013
34
6
Germany Germany
Auch keinen Erfolg, 38 Sender, aber kein einziger HD-Sender. Scheint nur auf DVB-T1 zu scannen :(
 

Hawkeye

Portal Pro
January 29, 2005
548
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Halle (Saale)
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I have set the tune timeout to 10 seconds - still no luck. The only channel found is the local one which is still aired via DVB-T ... (not worth mentioning that the TBS viewer found them all)

I do not question the ability of MePo to work with DVB-T2. My suspicion is that the card is not correctly detected as DVB-T2 tuner. What type has to be shown in the cards tab? It shows DVB-T at the moment ...

EDIT: Removed the no more installed old tuner, deleted the channel list, set tune timeout to 20 seconds and started a new scan. While it is still running I can say that it found already some channels.
 
Last edited:

Hawkeye

Portal Pro
January 29, 2005
548
87
Halle (Saale)
Germany Germany
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Spoke too soon ... Yes, the scan found more channels than only the DVB-T one but it found only 7 (encrypted) on 1 transponder. Find new logs and screen from CrazyScan2 attached.

BTW: channel list
 

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mm1352000

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  • September 1, 2008
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    @Hawkeye
    I have the impression that your signal strength/quality is not good enough for reliable DVB-T2 reception. DVB-T2 requires higher signal strength/quality than DVB-T.

    These log entries show that it took almost 10 seconds to lock on signal:
    [2017-03-29 21:11:45,345] [Log ] [13 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:530000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
    ...
    [2017-03-29 21:11:45,361] [Log ] [13 ] [INFO ] - dvb: RunGraph
    ...
    [2017-03-29 21:11:54,627] [Log ] [13 ] [INFO ] - dvb: LockInOnSignal ok

    This tells me that the signal strength/quality is very very marginal for your tuner.
    ...and after that:
    [2017-03-29 21:11:54,673] [Log ] [13 ] [INFO ] - Scan: tuner locked:True signal:70 quality:36

    That's very low quality.

    Compared with DVB-T:
    [2017-03-29 21:24:38,941] [Log ] [4 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:626000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
    ...
    [2017-03-29 21:24:38,972] [Log ] [4 ] [INFO ] - dvb: RunGraph
    [2017-03-29 21:24:39,300] [Log ] [4 ] [INFO ] - dvb: LockInOnSignal ok

    [2017-03-29 21:24:39,331] [Log ] [4 ] [INFO ] - Scan: tuner locked:True signal:79 quality:68


    So I repeat: to me it looks like your signal strength/quality needs to be improved if you want to receive DVB-T2.
     

    mm1352000

    Development Group
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  • September 1, 2008
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    not worth mentioning that the TBS viewer found them all
    Did you try to actually view the channels in TBS viewer?
    If no, you should try it. If your signal strength/quality isn't good enough, the channels will be unwatchable (pixelation, black screen etc.).

    My suspicion is that the card is not correctly detected as DVB-T2 tuner. What type has to be shown in the cards tab?
    All DVB-T and DVB-T2 tuners are detected as "DVB-T", so this is not the problem.
     

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