4 Alignments and Adjustments
4-1
4 Alignments and Adjustments
4-1 General Alignment Instuction
1.
Usually, a color LCD TV needs only slight touch-up adjustment upon installation.
Check the basic characteristics such as height, horizontal and vertical sync.
2.
Use the specified test equipment or its equivalent.
3.
Correct impedance matching is essential.
4.
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.
5.
Connect the TV only to an DC power source with voltage and frequency as specified on
the backcover nameplate.
6.
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.
7.
To protect aganist shock hazard, use an isolation transform.
Summary of Contents for LA20S51B
Page 10: ...4 Alignments and Adjustments 4 3 ...
Page 11: ...4 Alignments and Adjustments 4 4 ...
Page 13: ...4 2 4 Calibration 4 Alignments and Adjustments 4 6 ...
Page 16: ...5 Troubleshooting 5 3 WAVEFORMS 1 2 5 3 6 4 4 7 8 ...
Page 20: ...8 Block Diagrams 8 2 8 2 Input Power Block Diagram ...
Page 22: ...9 1 9 Schematic Diagrams 9 Wiring Diagram ...
Page 24: ...11 Schematic Diagrams 11 2 1 2 5 3 6 4 7 8 11 Schematic Diagrams 9 ...
