Hi all I have a fada p38 no schematic's for this radio found ? battery operated Similar to p80 which is a/c I am in need of 3s5 tube or substitution one ? Tube line up is 1s5, 3s5, 1r5, 1t4 other 3 I can get off ebay for 6.00 Or if any one has them I wound buy if willing to sell Thanks sam