User Guide

29
Power Supply Assembly. [Diagram XL88_PSU]
This contains the Mains transformer, fuses, voltage selection, rectifiers and linear
regulators. Both negative and positive sections of the supply are identical with
there own full wave rectifier, smoothing capacitor and 1.5A fixed voltage regula-
tor.
The regulators are mounted off the board on a common heatsink and connected
to the pcb by short jumper leads. The output from the psu is linked to the Pfl, mix
and output board by a jumper lead and plug.