Messages

Thank you RDL68!!!
I have a noisy CE-1 original unit. I read the problem is the MN3002 and change to TDA1022 will fix the problem. So i make the swap between the chips with an adapter that i made, and sockets to replace easily with the proper pin to pin configuration. Finally the unit works nice with the TDA chip, without noise but to my ears there is (slightly) less headroom on the chorus/vibrato effect, but is just a little difference.
Thanks for your help.

Hi everyone, for the TDA1022 version i have to change another components on the circuit or tweaking some voltages? or just make an adapter pin to pin? Reading the datasheets this is the equivalent pin configuration:


TDA1022 Pin -----> MN3002 Pin
1                             2                CLK1 
4                             12              CLK2
5                             3                Input
8                             13              Out1
9                             4                -15V
12                           14              Out2
13                           11              -14V
16                           7                GND

Thanks!