KV-27FS13 - Sony TV Service Manual (repair manual). Page 12

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.

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.

1.  Affi x a permalloy assembly corresponding to the misconverged areas: 

b

a

c

d

a

b

d

a-d: screen-corner

misconvergence

c

1.  Adjust FOCUS control for best pictures.

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)