Stern SB-100 $100 + $5 Shipping
MPU to Sound Board wiring harness $15
New replacement SB-100 Sound Board.
Contains only Electronic Sound circuitry (no chime simulation). MPU must be set to 'Electronic Sound' DIP 23 = ON when applicable.
100pts, 1000pts, and 10000pts tone pitch can be adjusted with the labeled blue colored trim pots. There is a test point for each tone which can be measured with a DMM. The preset and recommended setting for each tone pitch when using a DMM set to frequency is....
TP5 (100pts) controlled by trim pot R13 = 175Hz
TP2 (1000pts) controlled by trim pot R6 = 139Hz
TP3 (10000pts) controlled by trim pot R2 = 104Hz
Contains only Electronic Sound circuitry (no chime simulation). MPU must be set to 'Electronic Sound' DIP 23 = ON when applicable.
100pts, 1000pts, and 10000pts tone pitch can be adjusted with the labeled blue colored trim pots. There is a test point for each tone which can be measured with a DMM. The preset and recommended setting for each tone pitch when using a DMM set to frequency is....
TP5 (100pts) controlled by trim pot R13 = 175Hz
TP2 (1000pts) controlled by trim pot R6 = 139Hz
TP3 (10000pts) controlled by trim pot R2 = 104Hz