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7.5 Alignment magnet Adjustment
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Preparation:
1. Receive an cross hatch pattern with dots (pincushion).
2. Loosen the centering magnets screws.
3. Position the longer tab of the four-pole magnet to 90 degrees (uncorrected position).
VM Coil with focus correction magnet
4-pole magnet
4. Position the long tab of all alignment magnets and of the dummy ring together in an
uncorrected position.
Alignment magnet (or dummy ring)
Procedure:
1. Receive an cross hatch pattern with dots.
2. Cover the Red, Blue CRT lens, projecting Green only.
3. Turn the green electrical focus adjustment VR (on focus pack) fully counterclockwise and note
the position of the dots at the center of the picture.
4. Turn the green electrical focus adjustment VR fully clockwise.
5. Adjust the four pole magnets until the shape of the dot at the center of the screen is circular.
Summary of Contents for TC-43P250
Page 7: ...TOP PREVIOUS NEXT ...
Page 10: ...14 Schematic Diagram 14 1 Schematic Diagram Notes 67 ...
Page 11: ...14 Schematic Diagram 14 1 Schematic Diagram Notes 67 ...
Page 12: ...14 2 A Board 1 of 4 Schematic Diagram 68 ...
Page 13: ...14 2 A Board 1 of 4 Schematic Diagram 68 ...
Page 14: ...14 3 A Board 2 of 4 Schematic Diagram 69 ...
Page 15: ...14 3 A Board 2 of 4 Schematic Diagram 69 ...
Page 16: ...14 4 A Board 3 of 4 Schematic Diagram 70 ...
Page 17: ...14 4 A Board 3 of 4 Schematic Diagram 70 ...
Page 18: ...14 5 A Board 4 of 4 Schematic Diagram 71 ...
Page 19: ...14 5 A Board 4 of 4 Schematic Diagram 71 ...
Page 20: ...14 6 D Board 1 of 2 Schematic Diagram 72 ...
Page 21: ...14 6 D Board 1 of 2 Schematic Diagram 72 ...
Page 22: ...14 7 D Board 2 of 2 Schematic Diagram 73 ...
Page 23: ...14 7 D Board 2 of 2 Schematic Diagram 73 ...
Page 24: ...14 8 DG Board 1 of 2 Schematic Diagram 74 ...
Page 25: ...14 8 DG Board 1 of 2 Schematic Diagram 74 ...
Page 26: ...14 9 DG Board 2 of 2 Schematic Diagram 75 ...
Page 27: ...14 9 DG Board 2 of 2 Schematic Diagram 75 ...
Page 28: ...14 10 H Board Schematic Diagram 76 ...
Page 29: ...14 10 H Board Schematic Diagram 76 ...
Page 30: ...14 11 LG Board Schematic Diagram 77 ...
Page 31: ...14 11 LG Board Schematic Diagram 77 ...
Page 32: ...14 12 LB and LR Board Schematic Diagram 78 ...
Page 33: ...14 12 LB and LR Board Schematic Diagram 78 ...
Page 34: ...14 13 M Board Schematic Diagram 79 ...
Page 35: ...14 13 M Board Schematic Diagram 79 ...
Page 36: ...14 14 P Board Schematic Diagram 80 ...
Page 37: ...14 14 P Board Schematic Diagram 80 ...
