TCL T2909ABS TV service mode code : press and hold vol- on tv panel and press and hold display button onremote control.

I have 14 inch haier colour tv (model no HT-3718) in case of Stucked channel, I changed memory ic & my problem is ok. But now my screen is going too high & I can't adjust it without service code. If you can, Please send me the Service code. Thank you, Aruna

KINDLY HELP ME TO FIND YOUR SERVICE MODE FOR TCL MODEL2927U......... I SPENT A LOT OF TIME AND MONEY WHERE I CAN FIND.................... UNTIL NOW THE PICTURE OF MY TV IS ABNORMAL.... I CAN'T ADJUST IT IN NORMAL MODE..... KINDLY REPLY AND SEND ME YOUR SERVICE MODE............. THANK YOU.