I have onida igo series colour tv but iam not abel to read scroling news due to screen adjustment problem how i can adjust

If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
http://schematicscom.blogspot.com

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
NB: Please read and understand well, the instructions to enter the service mode, before you begin. Be very careful. Note how to "EXIT" the service mode; after entering and adjusting data. This is very important.

red color not display in onida 21 black tv

my colour tv had locked.can you help me to that lock.

press disp+vsm together here it opens service menu at last of that menu there is restore option press 1 to INT . press 1 and your tv will restore.

only for audio but after without vedio

sir my onida tv 21'' ineed un lock

Try with 1147 (This one worked on my ONIDA TV) OR 5963 OR PRESS ZOOM BUTON AND VOL- KEY BOTH.