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Cinematronics Vector Monitor Repair Guide v.1.0

Page 24 of 53

MONITOR ADJUSTMENTS

Cinematronics Monitor PCB

All picture adjustments for a Cinematronics game are made on the monitor itself. There are no

adjustments possible on the CCPU. The graphic above details the adjustment types and locations.

There exists a test pattern in most games that is enabled by dipswitch 7, located at position E2 of

the main CCPU board. The test pattern is for alignment purposes and should be adjusted to fill the

playfield.

Display Monitor Adjustment Procedure

This procedure adjusts the linearity and convergence of the video display.

Test Pattern Adjustment Procedure

(X and Y R/C Time Constant Adjustment or the Inner Ends of X and Y Line Segments.)

(a) Turn the “X” R/C time constant trimpot R209, and adjust the X (horizontal) lines until

the two inner ends of each line segment just meet.

(b) Turn the “Y” R/C time constant trimpot R109, and adjust the Y (vertical) lines until the

two inner ends of each line segment just meet.

related display electronics.

(d) The ends of the two “L” shaped line segments around the center of the display must

meet to form a square.

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Electrohome G05 Anleitung zur Fehlerbehebung Seite 24