Sony KV-SW14M50 Service Manual page 9

KV-SW14M50/M51/M80/M90
RM-GA002
1. (Moving vertically), adjust the 4 pole magnet to converge
red, green and blue dots in the center of the screen.
2. Tilt the 4 pole magnet and adjust static convergence to
open or close the 4 pole magnet.
3. When the 4 pole magnet is moved in the direction of
arrow A and B, the red, green and blue dots moves as
shown below:
B
A
Moved RV750 (H.STAT)
R
b) Horizontal Static Convergence
If the blue dots does not converge with the red and green
dots, use the 6 pole magnet to adjust in the manner
described below.
R G
R
G
DY pocket
4 Pole
Magnet
A
B
B
B
G G
R
R
G B R G B
B R G B R G B
B
R G B G
R B
6 Pole
Magnet
6 Pole Magnet
Purity
4 pole magnet
c) Convergence Rough Adjustment
Preparation :
• Before starting this adjustment, adjust the horizontal
and vertical static convergence.
Input cross hatch pattern.
i) TLH
Adjust the horizontal convergence of red and blue dots
by inserting TLH Correction Plate to the DY pocket (left
or right).
ii) YCH
Adjust YCH to balance Y axis.
iii) TLV
Adjust the vertical convergence of red and blue dots.
iv) XCV
Adjust XCV to balance X-axis.
R B
TLH
ON DY:
YCH
TLV
XCV
DY pocket
d) Screen Corner Convergence
Affix a Piece A (90), Convergence Correct/Permaloy Assy
Correction to the misconverged areas.
a1
a1~d1: Piece A (90), Convergence Correct
Permaloy Assy Correction
– 8 –
R B
B
R
R
B
YCH TLV
TLV
DY pocket
TLH Plate
XCV
b a
a-d : screen-corner
misconvergence
c d
b1
d
or c
XCV