e-licktronic Forum

angusmack

So, now I have reflowed some joints on the Atmega and replaced the EPROM chip and I was now able to init the EPROM on startup. I now have the correct lights flashing on startup and I'm able to play patterns and programme them fine, but still the display is as before: top row solid blocks and nothing...

angusmack

I see what you mean. Will take a look. Thanks.

Also, I notice the image quality is very poor since I cropped the photo on my phone. I can upload a better quality pic tomorrow. Really appreciate the extra set of eyes!

angusmack

Also, I flashed the latest (1.020) firmware through the ICSP header using avrdude and an Arduino Uno. The firmware/bootloader came from tools.rar that e-licktronic posted recently and this completed successfully, no errors.

angusmack

Sadly replacing IC115 did not appear to have much of an effect. http://i.imgur.com/tRZOSYT.jpg This is what my board looks like powered on. I can press shift+tap and then press each of the keys and the individual drums sound out of the master out fine (if a little noisy but that's for another day). ...

angusmack

Thanks KlangGenerator. All the LEDs are on, so replacing IC115 was my next thing to try. Having read a lot on this forum so far about this that seems to be the next logical step to try. Everything has gone pretty smoothly so far and I was able to test each instrument as I went along, triggering the ...

angusmack

I have exactly the same issue:

Any ideas on this please? Everything else works as far as I can tell, without a display i.e. I can 'tap' all instruments using the buttons but no display.

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