Convergence - Sony TRINITRON KV-27FV300 Service Manual

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2-2. CONVERGENCE

Preparation:
• Perform FOCUS, V. LIN and V. SIZE adjustments.
• Set BRIGHTNESS control to minimum.
• Input dot pattern.
Center dot
RV701 V.STAT
R G B
VERTICAL AND HORIZONTAL STATIC
CONVERGENCE
1. Adjust V. STAT magnet to converge red, green and blue dots in the
center of the screen (Vertical movement).
Tilt the V. STAT magnet and adjust static convergence to open or
close the V. STAT magnet.
2. When the V. STAT magnet is moved in the direction of arrow a and b,
red, green, and blue dots move as shown below:
1
a
b
2
a
3
b
R
G
B
V.STAT magnet
a b
B B
b
G G
R R
a
R G B
b
b
B G R
a
b
a
R B
G G
b
B R
Digitized in Heiloo Netherlands
OPERATION OF BMC (HEXAPOLE) MAGNET
The respective dot positions resulting from moving each magnet interact,
so perform adjustment while tracking.
1 Use the V.STAT tabs to adjust the red, green, and blue dots so they
line up at the center of the screen (move the dots in a horizontal
direction).
R G
R
Y SEPARATION AXIS CORRECTION MAGNET
ADJUSTMENT
1. Input cross-hatch pattern, adjust PICTURE to minimum and
BRIGHTNESS to normal.
2. Adjust the defl ection yoke upright so it touches the CRT.
3. Adjust so that the Y separation axis correction magnet on the neck
assembly is symmetrical from top to bottom (open state).
PURITY
4. Return the defl ection yoke to its original position.
— 13 —
KV-27FV300/29FV300/32FV300/36FV300
B R G B R G B
G
B R G B R B
G
V.STAT
3/7/2018