sa8300dvb

[clamdog]

hi guys hope this is the right place to post this if not my apolagies i have one of these hd boxes with all the channels excw but i was given a bit of maybe incorrect info on talkback i was told where to cut talkback in this box which i did but it stops the box booting up now its repairable and can be resoldered luckily but im reading everywhere about these inline filter for talkback if its not poss to do the talkback internally can anyone shed some light where to purchase these filters and is anyone using these filters with success thanks guys