Re: TT C1500 "new version" problems

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Heikki Lindholm schrieb:

> Can you also see what happens at the demodulator chip on XP? Btw., I 
> take it the stv0297 specs aren't available anywhere(?)

Last year in August, I've got such a card for a few days. At this time, I could receive 
one FTA channel with QAM265. I got UNC > 0 on linux and the same bad pictures on Win2k. 
The driver for Win2k does nearly the same like linux. I've wrote a little patch with the 
differences http://www.vdr-portal.de/board/thread.php?postid=639476#post639476. The patch 
doesn't improve the linux driver. I've compared the init tables for the TT-C2300 and the 
TT-C1500. There is a difference at reg 0x53. If I change the value from 0x13 to 0x08, the 
BER is reduced and UNC is zero 
http://www.vdr-portal.de/board/thread.php?postid=636859#post636859. I've also got some 
logs from WinXP. I've wrote also a little patch 
http://www.vdr-portal.de/board/thread.php?postid=661199#post661199. The result of the 
patch is undefined. Some people reports success with the second patch.

If you try to analyse the windows driver, I've posted the schematic of a cheap i2c-bus 
monitor in the same thread on the vdr portal 
http://www.vdr-portal.de/board/thread.php?postid=639818#post639818.

-Hartmut


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