That's just horrible !

I wrote a guide on rebuilding the Sterm Power Board here ;

http://aussiepinball.com/index.php?topic=1557.0

BR2 is responsible for the 11.9 VDC on thest point 3.

The solenoid Voltage is sourced through the 4 Diodes - TP5 should measure 43 VDC

Faulty or corroded connector / pins and poor grounding are the common source of issues for these games.

If you don't want to rebuild the board, you can buy EXCELLENT replacements ;

http://www.rtbb.com.au/catalog/product_info.php?cPath=22_86&products_id=1128

I've used this board a few times and it an excellent replacement.