Canon Trinitron KV-2199XDK 사용자 설명서

– 25 –

b

a

c

d

a-d : screen-corner
        misconvergence

a

d

c

b

a to d : Permalloy assembly

Fix a Permalloy assy
corresponding to the
misconverged areas

Adjust FOCUS control on the flyback transformer for the best

focus.

1) Set to Service Mode (Refer Section 4-1: ADJUSTMENTS

WITH COMMANDER).

2) Input white raster signal.

3) Set the PICTURE to minimum.

4) Select GCT (WHB 4) and BCT (WHB 5) with 

[1]

 and 

[4]

, and

adjust the level with 

[3]

  and 

[6]

 for the best white balance.

5) Set the PICTURE to maximum.

6) Select GDR (WHB 1) and BDR (WHB 2) with 

[1]

 and 

[4]

, and

adjust the level with 

[3]

 and 

[6]

 for the best white balance.

7) Write into the memory by pressing 

[MUTING]

 then 

[0]

.

1) Set to service mode.

2) Input a staircase signal of black to white from the pattern

generator.

3) BRIGHTNESS .... 50%.

PICTURE ............ MINIMUM

4) Select SBR (WHB7) with 

[1]

 and 

[4]

, and adjust SBR (WHB7)

level with 

[3]

 and 

[6]

 so that the second stripe from the right is

dimly lit.

1) Set the PICTURE to normal.

2) Put to VIDEO input mode without signals.

3) Connect R, G and B of the C3 board cathode to the oscillo-

scope.

4) Adjust BRIGHTNESS to obtain the cathode voltage to the value

below.

5) Adjust G2 (Screen) on FBT until picture shows the point

before cut-off.

White

second from the right

Black

0 V

175 V 

±

2(VDC)

FOCUS

SCREEN