User`s guide

Hot Issues Focus Adjustment Might Be Necessary After Replacing the Main
Focus Adjustment Might Be Necessary
After Replacing the Main Deflection
Board (10/97)
Issue: After replacing the main deflection board on an
AppleVision 1710 or 1710AV display, the screen focus
might require adjustment.
Solution: If the screen focus is poor after replacing a main
deflection board, adjust the horizontal and vertical focus
controls on the flyback transformer. For complete
instructions, refer to the Focus symptom in the
Troubleshooting chapter of this manual.