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Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 10:59 pm
by exxos
Icky wrote: ↑Tue Sep 25, 2018 10:55 pm
No - not crap. Its fixed the sound. We have sound.
*overload*
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:00 pm
by troed
Sound or key click?
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:07 pm
by Icky
troed wrote: ↑Tue Sep 25, 2018 11:00 pm
Sound or key click?
Sound - that phaser type sound
EDIT - it is quite quiet though have to turn the monitor sound up to max
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:12 pm
by exxos
Icky wrote: ↑Tue Sep 25, 2018 11:07 pm
EDIT - it is quite quiet though have to turn the monitor sound up to max
Its a new amp circuit, can tweak it at some point...
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:12 pm
by exxos
and... one final "oh crap" I found the ACIA issue....
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:16 pm
by Icky
exxos wrote: ↑Tue Sep 25, 2018 11:12 pm
and... one final "oh crap" I found the ACIA issue....
Go on then - one last fix for the night
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:17 pm
by exxos
Icky wrote: ↑Tue Sep 25, 2018 11:16 pm
exxos wrote: ↑Tue Sep 25, 2018 11:12 pm
and... one final "oh crap" I found the ACIA issue....
Go on then - one last fix for the night
This won't be so simple, I've wired the ACIAs to the wrong side of the data bus
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:18 pm
by Icky
exxos wrote: ↑Tue Sep 25, 2018 11:17 pm
This won't be so simple, I've wired the ACIAs to the wrong side of the data bus
Oh that is an "oh crap" moment.
I won't do that tonight.
Re: ALPHA MODIFICATIONS
Posted: Tue Sep 25, 2018 11:21 pm
by exxos
ACIA DATABUS FIX
STEP 1
First up is to cut the ACIA data bus... 8 tracks to cut on the bottom of the PCB...
- acitc.jpg (227.56 KiB) Viewed 6389 times
STEP 2
8 wires to link as shown below..
- br8.JPG (394.02 KiB) Viewed 6384 times
Re: ALPHA MODIFICATIONS
Posted: Wed Sep 26, 2018 12:14 am
by Icky
exxos wrote: ↑Tue Sep 25, 2018 11:21 pm
ACIA DATABUS FIX
STEP 1
First up is to cut the ACIA data bus... 8 tracks to cut on the bottom of the PCB...
STEP 2
8 wires to link as shown below..
Photo of fix including the keyboard resistor pull-up fix
- IMG_3106.png (774.12 KiB) Viewed 6376 times