Hello,

my A190 mcvs recently started to malfunction. It freeze sometimes and after some seconds all the leds start blinking. After a reset it restart but still malfunctioning after some time.

I think the eeprom 24c16 can be defective so I replace it but at this point the module is totally off. I try also to replace the cpu with a new one without success. When I reinstall the original 24c16 the module is malfunctioning but with the new one is totally ko. 

I have the complete service manual because I bought it many years ago when I started with eurorack modulars. The components of the schematic of the 190 is a little bit different from what I found in my module, the eeprom was 24c02 and also the eprom is half of  memory capacity.

Anyone have a suggestion for troubleshooting Maybe I have to replace the eprom My module is old and out of production...

Fabio

Italy