e-licktronic Forum

Hello,

i'm just finished to assemble the transistors for the HIGHTOM section by following the manual and notes from http://derek.trideja.com/nava/pages/nav ... endum.html and i was verifying VCC for 4069UB i got that :
- HIGHTOM 0V
- MIDTOM 0,1V
- LOWTOM 3,3V
- SNAREDRUM 2,5V

P.S. : i have 30V for M5218L in every completed parts
is it normal at this test phase ?

Thanks a lot
G.

update : i soldered all the IC's for HIGHTOM and this is OK.

MIDTOM is still at 0V. I checked too on the zener ..

Got the same issue, I assume it's normal to have 0V for the 4069 when M5218L aren't soldered cause they seems to provide the power supply for the 4069. But when everything is soldered, i still have low voltages for the 4069 like:

Snare: +/- 2.5V
LT: +/- 3.5V
MT: +/- 3.5V
HT: +/- 9V

So i'm wondering if they should get +/- 15V like all other IC in the circuit or if this is normal.

Have you finished yours and tested it? Everything work as it should despite those weird voltages?

Thanks