From yahoo Sent Tue, Feb 21st 2017, 09:32
Please contact our A-190-1 specialist Matthias Marass directly (xxxxxxxxx@xxxxxxx.xx). Best wishes Dieter Doepfer > 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 ------------------------------------ ------------------------------------ ------------------------------------ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Doepfer_a100/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Doepfer_a100/join (Yahoo! ID required) <*> To change settings via email: xxxxxxx_xxxx-xxxxxx@xxxxxxxxxxx.xxx xxxxxxx_xxxx-xxxxxxxxxxxx@xxxxxxxxxxx.xxx <*> To unsubscribe from this group, send an email to: xxxxxxx_xxxx-xxxxxxxxxxx@xxxxxxxxxxx.xxx <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/