Sony KV-38FS120 Dynamic Convergence Adjustment, Screen-Corner Convergence, Tlh Plate Adjustment

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:

R B G R B

GG

B R G B R

R G B B G R

B G R R G B

KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120

B R R B TLH+ (R)(B) (B)(R) 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

B R G B R

GG R B G R B

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.

3Adjust the Horizontal Convergence of red and blue dots by tilting the TLH plate on the deflection yoke.

RV701 TLH Plate

V.STAT

C

Board

XCV YCH TLV

(TLV)

ab

a-d: screen-corner

misconvergence

cd

dc

2-3. FOCUS

1. Adjust FOCUS control for best pictures.

Focus (FV)

Screen (G2)

KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120 25