why tv advertising

[@abcabdi8523]

Thank You Very much Gech, It is really very helpful!

[@bisratteshome9963]

very nice
explanation

[@asheafee]

Thanks gech

[@tsegayehagos7335]

it includes the image like all compont
by the way a very good presention

[@TabernacleTube]

👏👏👏👏👏👏👏

[@TedimulugetaTedimulugeta-km6ju]

Thanks Gech. What If You Prepair A Video When You Repair Tv With T-con Board Related Problems ?

[@tsegayehagos7335]

you are brave but to lecture is you have the power line and control system wthin the block diagram and ckt digram