Toshiba 29CZ8URB, Service Manual

Page: 5 / 70

GENERAL ADJUSTMENTS
SPECIFIC INFORMA
TIONS
– 5 –
(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.
R
CIRCUMFERENCE CONVERGENCE ADJUSTMENT
* Perform correction in the following manner.
blue
blue
red
red
Main 4-pole magnet
red/blue
red/blue
green
green
6-pole magnet
Xv bow-shaped deviation of convergence
blue
red
Sub-4-pole magnet
A
D
E
F
A
B
C
B
C
S
N
D
E
F
A
B
C
D
E
F
N
S
YV YHC
G H
G H
blue
green
red
• Adjust coils and minimize deviation
(The 27” unit has coils underneath it)
blue
green
red
(Parts code:23 948 274) TC-S
Blue color or blue mark
*Insert the correction piece between the
picture tube and the deflection yoke.
Bonded surface
blue
green
red
(Parts code:23 948 464)
Transparent
Bonded surface
Red
green blue
Red
green
blue
Adjust (YHC) and minimize the deviation of YH.
Red
green
blue
Red green blue
Adjust (YV) and minimize the deviation of YV.
Red
blue
green
Red
blue
green
Red
blue
green
Red
blue
green
Red
blue green
blue red green Red blue green blue
red green
(Insertion position of correction
piece)
Perform correction by
inserting the correction
piece into the clearance of
terminal board coils of the
deflection yoke.
Note:
Perform inser tion by
turning the metal side to
the terminal board side of
the deflection yoke.