
4-13
4. Troubleshooting
4-2. Alignments and Adjustments
4-2-1. General Alignment Instuction
Usually, a color LCD-TV needs only slight touch-up adjustment upon installation.
Check the basic characteristics such as height, horizontal and vertical sync.
Use the specified test equipment or its equivalent.
Correct impedance matching is essential.
Avoid overload. Excessive signal from a sweep generator might overload the front-end
of the TV. When inserting signal markers, do not allow the marker generator to distort test result.
Connect the TV only to an AC power source with voltage and frequency as specified on
the backcover nameplate.
Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure
that the power cord is disconnected before replacing any parts.
To protect against shock hazard, use an isolation transformer.
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www.freeservicemanuals.info
12/9/2016
Published in Heiloo, Holland
Содержание LA22B480Q1
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Страница 100: ...4 4 4 Troubleshooting WAVEFORMS 1 R G B Output Signal www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...
Страница 106: ...4 10 4 Troubleshooting WAVEFORMS 4 CVBS Output Signal www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...
Страница 126: ...6 3 6 Wiring Diagram www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...
Страница 127: ...6 4 6 Wiring Diagram www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...