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Vectrex 3GE Modell - how to adjust DAC Offset


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#1 mastercello OFFLINE  

mastercello

    Combat Commando

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  • Location:Switzerland

Posted Fri Apr 21, 2017 12:07 PM

Few words about myself first - Marcel, 42 yrs. old and from Switzeland (Lucerne) - got in contact with the Vectrex with a friend of mine recently a few years back and loved it from the beginning.

So 2017 - i thought, why not get one and here i am! :D 

 

I got a nice MB Vectrex some weeks ago and already some nice Overlays from Steven and also a Mine Storm one from Mr. Nicolson!

Both did any amazing job - big thumbs up!

 

Also did a Capkit yesterday on it as i thought after 35 years might be a good idea.

 

I have a 3GE Modell which is the Non-buzz if im not mistaken- right?

 

Now there is the problem - few caps are different as the CPU pcb is pretty different from the older modells.

 

For the DAV offset i tried adjusting it like it says in the manual...but the voltage is not changing if i'm turning the knob.

I'm a doing something wrong or is this a completely different task here on the 3GE version?

 

Somebody please enlighten me - thanke folks! ;-) 



#2 mastercello OFFLINE  

mastercello

    Combat Commando

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  • 2 posts
  • Location:Switzerland

Posted Tue Apr 25, 2017 8:06 AM

Anybody? :)

 

My CPU pcb is this one here: vectrex_cpu-pcb.jpg

 

Attached Thumbnails

  • vectrex_cpu-pcb.jpg





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