1110_1600_2310_2626_2610_100% ok solution
http://img148.imageshack.us/i/ringt.png/
http://img391.imageshack.us/i/1110etcringeric.jpg/
1110_1600_2310_2626_2610_100% ok solution
http://img148.imageshack.us/i/ringt.png/
http://img391.imageshack.us/i/1110etcringeric.jpg/
có sơ đồ câu ic chuông 1200 ko AD