Sony WEGA KV-27FS100L, Service Manual

Page: 13 / 200

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KV-27FS100L/29FS100L
DYNAMIC CONVERGENCE ADJUSTMENT
Before performing this adjustment, 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:
B G R
G B
R
G B
R
R
R
G
B
G
B
G
B
R
B G R G B
G B
R
R
G
B
G
G
B
R B
R
R
4. Tighten the deflection yoke screw.
5. Install the deflection yoke spacers.
TLH PLATE ADJUSTMENT
1. Input crosshatch pattern.
2. Adjust PICTURE QUALITY to standard, PICTURE and BRIGHTNESS
to 50%, and OTHER to standard.
3 Adjust the Horizontal Convergence of red and blue dots by tilting the
TLH plate on the deflection yoke.
(TLV)
YCH
XCV
TLV
CV
Board
RV1750
V.STAT
TLH Plate
B R R B
(R)(B) (B)(R)
TLH+
TLH-
4. Adjust XCV core to balance X axis.
5. Adjust YCH VR to balance Y axis.
6. Adjust vertical red and blue convergence with V.TILT (TLV VR.)
Note: Perform adjustment 3-6 while tracking items 1 and 2.
SCREEN-CORNER CONVERGENCE
1. Affix a permalloy assembly corresponding to the misconverged areas:
b a
c
d
a
b
d
a-d: screen-corner
misconvergence
c
2-3. FOCUS
1. Adjust FOCUS control for best pictures.
Focus (FV)
Screen (G2)