KenLayton
In Memoriam
Just got a Nintendo Donkey Kong cocktail table in for repair. The PP-7B power supply had no +5 volts output, but all the other voltages (-5, +12, and +24) were present. Found bad solder joints at transistor TR3 and diode D9. Resoldered those and all is well now. Very simple repair. Took longer to disassemble and reassemble the thing than it took to do the repair.