Samsung SYNCM.400B - Convergence Adjustments

Misconvergence occurs when one or more of the
electron beams in a multibeam CRT fail to meet
the other beams at a specified point.
Table 5-4. Misconvergence Tolerances
Figure 5-8. Convergence Measurement Areas
Figure 5-9. Magnet Configuration
5 Alignment and Adjustments
5-10 CKA42*7L/5227L
5-4 Convergence Adjustments
Position Error in mm CRT Dot Pitch
Center (A) 0.30 0.28
Edge (B) 0.40 0.28
CRT
FRONT
1
2
3
4
8
5
9
6
7
10
11
Toshiba CRT
1 Setup Bolt 2 Bow Magnet 3 Spacer 4 2-Pole Magnet
5 Band 6 6-Pole Magnet 7 Spacer 8 4-Pole Magnet
9 Holder 10 Band 11 Tabs
A
B
200 MM
267 MM
Red and Blue Alignment
(4-pole magnet movement)
Red, Blue and Green Alignment
(6-pole magnet movement)
R
B
B
R
R
B
M
G
G
R
B
M
G
G
M
G
G
M
R
B
B
R
R
B
B
R
O-Magnetic
Field
Motion (1)
Motion (2)
(1) SPREAD
TAB
MAGNET
VERTICAL
MISALIGNMENT
HORIZONTAL
MISALIGNMENT
SHIFT DIRECTION OF
CROSSHATCH PATTERN
SHIFT DIRECTION OF
CROSSHATCH PATTERN
OR
MOVE
TOGETHER
Figure 5-10. Magnet Movements