
Alignment and Adjustments (Electrical)
Samsung Electronics
4-5
4-3-4 FOCUS Adjustment
1. Input a CROSS hatch signal.
2. Adjust the tuning Focus VR for the clearest picture.
3. Adjust the FOCUS control for well defined scanning lines in the center area of the screen.
4-3-5 Screen Adjustment
1. Turn to the White Signal.
2. Adjust the VR screen for a normal picture is (no blooming or flyback line).
Input the Factory -> G2-Adjust choice -> Screen VR tuning OK Mode
4-3-6 Purity Adjustment
1. Warm up the receiver for at least 20 minutes.
2. Plug in the CRT deflection yoke and tighten the clamp screw.
3. Plug the convergence yoke into the CRT and set in as shown in Fig. 5-1.
4. Input a black and white signal.
5. Fully demagnetize the receive by applying an external degaussing coil.
6. Turn the CONTRAST and BRIGHTNESS controls to maximum.
7. Loosen the clamp screw holding the yoke. Slide the yoke backward or forward to provide
vertical green belt. (Fig. 5-2).
8. Tighten the convergence yoke.
9. Slowly move the deflection yoke forward, and adjust for the best overall green screen.
10. Temporarily tighten the deflection yoke.
11. Produce blue and red rasters by adjusting the low-light controls. Check for good purity
in each field.
12. Tighten the deflection yoke.
Содержание TC29J6MNX/XAX
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