This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
Text excerpt from page 13 (click to view)
DIP Switch
The DIP switch setting is following table.
DIP ã�¹ã�¤ã��ã��ã�®è¨å®�ã�¯ä¸�ã�®è¡¨ã��ã��覧ã��ã� ã��ã��
4
The lower position where ON indication is shown is the ON position. The upper position is the OFF position. ���ON�表�������ON, ���OFF
1234 ON/OFF 1 0 1 1
0 : ON 1: OFF No.