[0-30V Stabilized Power Supply]

Hello friends, and armed the source successfully, the only drawback, wherein R 5 and D5 heat slightly appreciate your help, greetings from Argentina  :D

[0-30V Stabilized Power Supply]

Hello, I'm new to the forum I'm from Argentina I want to assemble the source query and I have the following problem I can not offset lower intentions to 0 volts replace all integrated and I still have the same problem thanks for your help