Post by dennis88 on May 25, 2016 13:23:52 GMT -5
For those who want to adjust the vectrex here is a short tutorial how to adjust the system.
You need to use test rev 4 rom on a flash or multicartridge.
Important: users please be very careful! high voltages on tube, neck and other parts. please don't adjust if you don't know these dangers or if you don't know what you're doing.
System needs to be ON for adjustments
*** i am not responsible for your health or damaging your own system***
Start with DAC offset:
*In the menu choose ADJUST DAC OFFSET
*Adjust only with blanc screen and don’t adjust with DAC ZERO TEST on screen
*multimeter + wire on pin 1 of IC304 (use special processor measurement tool) - wire on ground
* adjust potentiometer on 0 volt (picture)
use this screen on test rev 4 for centering and horizontal + vertical size:
centering:
* rings on tube neck for horizontal and vertical allignment/centering (picture)
* loosen clamp and turn carefully for turning the screen and secure it back carefully not too tight!
horizontal and vertical size:
*First to do is to allign the screen before doing this step
*turn the little potentiometers on the high voltage board for horizontal and vertical adjustments (picture)
For adjusting the vector lines use this screen on test rev 4:
adjust these potentiometers for the vector adjustments:
For adjusting the brightness please use this screen on test rev4:
*adjustment can be done on backside of vectrex (the brightness knob)
* only the fifth line need to be visible (the line on top of word: INTENSITY)
