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 6-4. Misconvergence Tolerances
Figure 6-10. Convergence Measurement Areas
Figure 6-11. Magnet Configuration
6 Alignment and Adjustments
6-8
CHA42*7L/5**7L
6-4 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
RB
M
G
G
RB
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 6-12. Magnet Movements
Summary of Contents for CHA4217L
Page 2: ...Samsung Electronics Co Ltd August 1998 Printed in Korea Code No BH68 61127A ...
Page 10: ...Memo 3 Product Specifications 3 4 CHA42 7L 5 7L ...
Page 14: ...5 Disassembly and Reassembly 5 2 CHA42 7L 5 7L Memo ...
Page 62: ...9 Electrical Parts List 9 14 CHA42 7L 5 7L Memo ...