Alignment and Adjustments
4-2-5 RESET
The Reset Mode is used during factory inspection.
Function Reset:
1. Channels Add/Erase
2. Sort Non
3. SystemAuto
4. Timeroff
5. Blue Screenoff
6. Child Lock off
7. Picturestandard
8. Volume26
9. CH. SkipErased
4-3 Other Adjustments
4-3-1 General
4-3-2 Automatic Degaussing
1. Usually, a color TV needs only slight touch-A degaussing coil is mounted around the pic-
up adjustment upon installation. Check theture tube, so that external degaussing after
basic characteristics such as height, horizontalmoving the TV should be unnecessary. But
and vertical sync and focus. the receiver must be properly degaussed upon
installation.
2. The picture should have good black and white
details. There should be no objectionableThe degaussing coil operates for about 1 sec-
color shading; if color shading is present, per-ond after the power is switched ON. If the set
form the purity and convergence adjustmentshas been moved or turned in a different direc-
described below.tion, disconnect its AC power for at least 10
minutes.
3. Use the specified test equipment or its equiva-
lent.
If the chassis or parts of the cabinet become
4. Correct impedance matching is essential. magnetized, poor color purity will result. If
this happens, use an external degaussing coil.
Slowly move the degaussing coil around the
5. Avoid overload. Excessive signal from a sweepfaceplate of the picture tube and the sides and
generator might overload the front-end of thefront of the receiver. Slowly withdraw the coil
TV. When inserting signal markers, do notto a distance of about 6 feet before removing
allow the marker generator to distort testpower.
results.
6. Connect the TV only to an AC power source
with voltage and frequency as specified on the
backcover nameplate.
7. Do not attempt to connect or disconnect any
wires while the TV is turned on. Make sure
that the power cord is disconnected before
replacing any parts.
8. To protect against shock hazard, use an isola-
tion transformer.
Samsung Electronics4-15 |
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