Author: Bram

Hall Motor- faulty

Measuring current R-3093 / r-3094 on working CDM-2 Faulty Hall-motor in CD 880,  voltage measured on emitters 6082/6083 and 6094/6095, missing 1 motor-coil After replacing the broken LM324 , 2 motor coils working  ...

CD Player as a DAC

I designed a small SAA7220 adapter board,  it adds a coax digital input on a SAA7220 Chipset CD-player, so it can used as a DAC when the cd player is not playing . When...

CD 100 Repair

If i could take a look at this CD 100 , It has been repaired twice before to try to solve the problem , it was recapped and several IC where directly solder on...