KV-29FA240 - Sony TV Service Manual (repair manual). Page 14

Before performing this adjustment, perform Horizontal and Vertical Static 

Convergence Adjustment.

Input cross hatch pattern.
 

a)  TLH

 

Adjust the horizontal convergence of red and blue dots by inserting 

TLH Correction Plate to the DY pocket (left or right).

 

b)  YCH

 

Adjust YCH to balance Y axis.

 

c)  TLV

 

Adjust the vertical convergence of red and blue dots.

 

d)  XCV

 

Adjust XCV to balance X-axis.

TLV

R B

YCH

R

B

XCV

B

R

TLH

B

R

(VR1)
TLV1 (no need to adjust)

DY pocket

DY pocket

TLH Plate

(VR3)

TLV2

(XCV)

(VR2)

YCH

ON DY :

Affix a Piece A (110), Convergence Correct/Permaloy Assy Correction to 

the misconverged areas. 

b

a

c

d

a-d : screen-corner

        misconvergence

a1

b1

c1

d1

a1~d1: Piece A(110), Convergence Correct

or

Permaloy Assy Correction

FOCUS  adjustment  should  be  completed  before  White  Balance 

adjustment. (See 3-4. WHITE BALANCE ADJUSTMENT)

1.  Receive digital monoscope pattern.
2.  Set Picture Mode to “STANDARD”.
3.  Adjust focus VR to obtain a just focus at the center of the screen.
4.  Change the receiving signal to white pattern and blue back.
5.  Confirm magenta ring is not noticeable. In case magenta ring is 

obvious, then adjust FOCUS VR to balance magenta ring and 

FOCUS.