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7.3 Optical Lens Focus Adjustment
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Note:
This adjustment normally should not require resetting unless the lens has been replaced or
adjustment has changed.
1. Optical focus adjustment is located on the top of each CRT lens system. Loosen the
adjustment knurls locking knob. (Fig. 4)
Fig. 4 (Rear view)
2. Turn the Receiver ON apply and view a monoscope pattern.
3. Adjust each lens focus for best focus while viewing each CRT.
4. Cover the Red and Blue CRT, projecting green only.Rotate the Green lens for best focus
around screen center area.
5. Do the same for the Red focus lens while projecting Red only.
6. Repeat for Blue.
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Summary of Contents for TX-43P250
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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 ...