(5)Adjust the sub-4-pole magnets only in case there is any deviation of Xv bow-shaped convergence. (To be usually set at the initial position)

Align both sides with the sub-4-pole magnets and minimize the deviation of blue and red with the main 4-pole magnets.

blue

blue red

red

Main 4-pole magnet

CIRCUMFERENCE CONVERGENCE:

*Perform correction in the following manner.

red/blue

red/blue

green

green

6-pole magnet

Xv bow-shaped deviation of convergence

blue

red

Sub-4-pole magnet

GENERAL ADJUSTMENTS

blue green

red

Adjust coils and minimize deviation (The 27” unit has coils underneath it)

INFORMATIONS

A

B

C

 

D

(Insertion position of correction

 

 

blue

 

piece) D

A

 

 

 

green

E

E

B

red

 

F

C

 

 

 

F

 

 

(Parts code:23 948 274) TC-S

*Insert the correction piece between the

S

 

picture tube and the deflection yoke.

N

Bonded surface

 

 

 

Blue color or blue mark

 

 

A

B

C

 

D

blue

 

green

E

red

 

 

F

(Parts code:23 948 464)

N

S

Bonded surface

Transparent

SPECIFIC

Adjust VR 1 and minimize the deviation of YH. *Only 27", 30" and 32".

Red

green

green

30", 27", 32"

blue

blue

Red

Red

blue

blue

VR3 VR2 VR1

Red

 

green

green

 

Adjust VR 2 (YHC) and minimize the deviation of YH.

 

green

 

 

green

Red

 

blue

 

blue

 

 

Red

 

 

blue

 

Red

 

Red

 

 

blue

 

 

 

green

 

 

green

Adjust VR 3 (YV) and minimize the deviation of YV.

34"

Red

green

blue

G

Red green

blue

blue green

Red

blue green red

blue

green

red

H

blue green

Red

Red green

blue

Red green

blue

YV YHC

27" (Part No. 23 947 371)

32", 30" (Part No. 23 947 121)

34" (Part No. 23 993 080)

G

 

H

Perform correction by inserting the

 

correction piece into the clear-

 

 

 

 

 

 

ance of terminal board coils of

 

 

 

the deflection yoke.

 

 

 

 

 

 

Note:

 

 

 

Perform insertion by turning the

 

 

 

metal side to the terminal board

 

 

 

side of the deflection yoke.

– 7 –

Page 9
Image 9
Toshiba 32HFX72 service manual Circumference Convergence, Informations