[linux-dvb] TT-1500 / TDA10046

Jouni jouni76 at fastmail.fm
Wed Feb 21 11:44:04 CET 2007


What type of antenna you are using?
My TT-1500 will not get good signal, if the antenna shorts the 5V feed
for antenna amp from
the cards antenna in -connector.



On Tue, 20 Feb 2007 23:37:06 +0000, "Nicholas Fearnley"
<nfearnley at dmpip.tv> said:
> I have had real problems getting the TT-1500 (DVB-T) working.
> 
> I have been using dvbtune for some diagnostics.
> 
> The following should yield BBC Multiplex on my local transmitter
> 
> dvbtune -c 0 -qam 16 -gi 32 -cr 3_4 -bw 8 -tm 2 -f 722000
> 
> It does not, I tried adding 166Khz (722166) but no luck.  So I tried  
> just working my way through some frequencies.  I can get the  
> FE_STATUS to report FE_HAS_SIGNAL on some frequencies.  I even get  
> FE_HAS_CARRIER on occasion but never any more than that.
> 
> Does this mean the tuner is getting *something*.  It's not random for  
> sure, I always get this result on the few frequencies I have tried.   
> I am using 2.6.18.1.  I know the signal (antenna) to be OK as I get  
> no issues with a CX based DVB-T module, on any frequency I pick.   
> This has to be a driver or settings issue.  I compile the relevant  
> modules into the kernel, I get valid firmware loads in dmesg (version  
> 20).
> 
> I can insert relevant debugging code if needed - if anyone has any  
> ideas what might help.  I can send a TT unit out if anyone needs one  
> to test with.
> 
> Nick
> 
> 
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  Jouni
  jouni76 at fastmail.fm

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