Convergence - Sony KV-32XBR200 Service Manual

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3-2. CONVERGENCE

Preparation:
• Before starting, perform FOCUS, V. LIN and V. SIZE adjustments.
• Set BRIGHTNESS control to minimum.
• Input dot pattern.
(1) 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
Adjust HSTAT RV to converge.
Center dot
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
b
2
a
3
b
V.STAT
Magnet
RV1761
H.STAT
a 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
— 17 —
Operation of BMC (Hexapole) Magnet
The respective dot positions resulting from moving each
magnet interact, so perform adjustment while tracking.
Use the VSTAT 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 B R G B
R B R G B
G
Y Separation Axis Correction Magnet Adjustment
1. Input cross-hatch pattern, adjust PICTURE to
minimum and BRIGHTNESS to normal.
2. Adjust the deflection 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
BMC magnet
H/V START magnet
4. Return the deflection yoke to its original position.
KV-32XBR200/KV-36XBR200
R G B
G
R B