[ErwinvdVelden]

Hi Folks,

Since a few days the declination refuses to move at 0.5x and 1.5x sidereal speed, 8x speed works only at lower power supply voltages. After swapping motors and testing cables I think that the declination transistor block of the DD-1 hand controller partially died, probably because of an extensive excess voltage. Has anyone done this before and does he/she knows what type of replacement chip to get?

I'll remove the cooling fin of the broken one tomorrow, but I'm not sure if the chip type still is readable.

Cheers,