Alignment and Adjustments
4-3 Other Adjustments
4-3-1 General
1. Usually, a color TV needs only slight touch-up5. Avoid overload. Excessive signal from a sweep
adjustment upon installation. Check the basicgenerator might overload the front-end of the
characteristics such as height, horizontal andTV. When inserting signal markers, do not
vertical sync and focus. allow the marker generator to distort test
results.
2. The picture should have good black and white
details. There should be no objectionable color6. Connect the TV only to an AC power source
shading; if color shading is present, perform thewith voltage and frequency as specified on the
purity and convergence adjustments describedbackcover nameplate.
below.
7. Do not attempt to connect or disconnect any
3. Use the specified test equipment or itswires while the TV is turned on. Make sure
equivalent.that the power cord is disconnected before
replacing any parts.
4. Correct impedance matching is essential.
8. To protect against shock hazard, use an
isolation transformer.
4-3-2 Automatic Degaussing
A degaussing coil is mounted around theIf the chassis or parts of the cabinet become
picture tube, so that external degaussing aftermagnetized, poor color purity will result. If
moving the TV should be unnecessary. But thethis happens, use an external degaussing coil.
receiver must be properly degaussed uponSlowly move the degaussing coil around the
installation. faceplate of the picture tube and the sides and
front of the receiver. Slowly withdraw the coil
The degaussing coil operates for about 1 secondto a distance of about 6 feet before removing
after the power is switched ON. If the set haspower.
been moved or turned in a different direction,
disconnect its AC power for at least 10 minutes.
Samsung Electronics4-7 |
ACEC
