Sony KV-27FS17 - 27" Fd Trinitron Wega, Service Manual

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KV-27FS13/ 27FS17/ 27FV17/ 29FV17/ 29FV17C/ 32FS13/ 32FS17/ 34FS13C/ 34FS17
DYNAMIC CONVERGENCE ADJUSTMENT
Before performing this adjustment, perform Horizontal and Vertical Static
Convergence Adjustment.
1. Slightly loosen defl ection yoke screw.
2. Remove defl ection yoke spacers.
3. Move the defl ection 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 defl ection yoke screw.
5. Install the defl ection 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 defl ection yoke.
(TLV)
YCH
XCV
TLV
CA
Board
VA
Board
RV701
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. Affi x 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.
2-4. SCREEN (G2)
1. Input a dot pattern.
2. Set the PICTURE and BRIGHTNESS controls at minimum and
COLOR control at normal.
3. Adjust SBRT, GCUT, BCUT in service mode with an oscilloscope as
shown below so that voltages on the red, green, and blue cathodes
are 170 ± 2VDC.
Pedestal
170 ± 2 VDC
Ground
Focus (FV)
Screen (G2)