Sony KV-21FX30E Geometry Adjustment Preparation, Htil Adjustment, YCH Adjustment, TLV Adjustment

Geometry Adjustment.

Preparation:

Before starting this adjustment, adjust the horizontal and vertical static convergence.

1.Remove the deflection yoke spacer.

2.Tilt the deflection yoke as indicated in the figure below and optimise the geometry.

Tilting the DY Up and Down will balance the upper and lower pin adjustment.

Tilting the DY Left and Right will balance the H-Trap adjustment.

3.Re-install the deflection yoke spacer.

Tilt Direction

HTIL Adjustment

Deflection Yoke

YCH Adjustment

YCH VR	+ +
	Deflection Yoke

TLV Adjustment

+ + TLV VR

Deflection Yoke

Screen Corner Convergence

If you are unable to adjust the corner convergence properly, this can be corrected with the use of permalloy magnets.

ab

a-d: screen-corner convergence defect

cd

Install the permalloy assembly	a
for the area that needs correcting.

b

TLH pieces

HTIL correction can be performed by adding a TLH correction assembly to the Deflection yoke.

Permalloy Assy

X-4387-214-1

d	c
	Convergence adjustment with permalloy

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