Q1 acts as a series pass transistor, biased to regulate the 12VF output to the R/W coils and Amplifier circuits. Q2 is a feedback amplifier monitoring the 5VDC supply. CR5 develops a precise reference voltage for Q2. L8 and C15 delay the 12VDC supply.
|This page has been created by Sami Rautiainen.|
|Read the small print.||Last updated September 05, 2020.|