Also replace the burned J5 connector on the board.
And when you've done that, replace P5 too or you'll be back to square one in a week.
Check the bridge rectifier...
Some people have no idea why there are to be fuses of the correct value...
By the way, this hack has nothing to do with the controlled lamps.
This is a G.I. hack.
Controlled lamps go through BR1 (TP1).