I have a old punch 45 circa 1986-87. It has a power supply problem that I can't seem find the issue with. When I got the amplifier in it has one power supply transistor blown D44VH10 and a D40D8. I replaced both D44V and both D40D8. Also replaced both 4148 switching diodes. The thermal swith was also open. It was replaced. Now get ~14v at the D44's but amp does not show any rail voltage. I get nothing at anything on that side of the diagram. So therefore no LED. I Have another identical amp sitting side by side. All the a56 and a06 read the same. Any idea where to look.