Sony Trinitron KV-29FV15 - Dynamic Convergence Adjustment; Screen-corner Convergence; TLH Plate Adjustment

— 18 —
KV-27FV15/29FV10/29FV15/29FV15C/29FV15K
( 2 ) Dynamic Convergence Adjustment
• Before starting, perform Horizontal and Vertical
Static Convergence Adjustment.
1. Slightly loosen deflection yoke screw.
2. Remove deflection yoke spacers.
3. Move the deflection yoke for best convergence as
shown below:
BGR
B
G
R
B
G
R
RGB RGB
RGB
RGB
BGR
RGB
R
G
B
R
G
B
BGR
4. Tighten the deflection yoke screw.
5. Install the deflection yoke spacers.
(3) Screen-corner Convergence
Affix a permalloy assembly corresponding to the
misconverged areas:
ab
cd
b
a
d
c
a-d : screen-corner
misconvergence
B R R B
(R)(B) (B)(R)
TLH+
TLH-
TLH Plate
YCH
RV1750
V.STAT
XCV
C Board
V Board
TLV
(TLV)
(4) TLH Plate Adjustment
• Input crosshatch pattern.
• Adjust PICTURE QUALITY to standard, PICTURE and
BRIGHTNESS to 50%, and OTHER to standard.
• Adjust the Horizontal Convergence of red and blue dots
by tilting the TLH plate on the deflection yoke.
1. Adjust XCV core to balance X axis.
2. Adjust YCH VR to balance Y axis.
3. Adjust vertical red and blue convergence with V.TILT
(TLV VR.)
Perform adjustments while tracking items 1 and 2.