Onkyo TX-SR605 Receiver "service station india" Questions

...station (either previous or next) and plays something else. I find it very irritating. Moreover I also noticed that when i select DVD or TV as a source of input signal, there also the same thing ...

...India; a service manual where the logic circuitry would be shown and if there are movable jumpers/bridges for the selection of intended region/country (warranty may be void).Hope this be of initial ...