i've seen too many transmitter designs but rarely saw a receiver, the transmiters uses FM channels for the receiver, we need a stand alone receiver or transceiver for that matter.
I encountered these problems mostly on Sharp brand. Sharp has the toughest design of power supplies... It uses the kick start system!!!
Try looking at the FBT ckt. the main power supply feeds the FBT ckt during switch on...
I used Eagle too and find it difficult. Theres a PCB program that automatically converts your schematic diagram into PCB design. It also has the capability to run and test your schematics. PROTEUS LITE, ISIS lite for schematic and ARES 6 Lite for the PCB. i downloaded the sample software from...
Start with the basic understanding of each section (TV) and how how it operates. That's how i started in electronics. I thought mysel by reading books and asking some technicians on difficult problems. I a machinist by trade and audio/video technician by necessity.