4-25
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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Содержание LN32B550K1F
Страница 171: ...4 3 4 Troubleshooting BD102 BD108 BD106 BD106 R102 R171 R173 C122 R527 Pin 1 5 F1 ...
Страница 173: ...4 5 4 Troubleshooting Pin 19 Pin 20 Pin 34 Pin 35 PCR PCG PCB PCH PCV ...
Страница 174: ...4 6 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output ...
Страница 176: ...4 8 4 Troubleshooting Pin 7 Pin 12 Pin 19 Pin 20 Pin 34 Pin 35 Pin 7 Pin 12 ...
Страница 177: ...4 9 4 Troubleshooting WAVEFORMS 3 HDMI input RX_Data RX_Clk 2 LVDS output ...
Страница 179: ...4 11 4 Troubleshooting Pin 19 Pin 20 Pin 34 Pin 35 Pin 8 Pin 2 Pin 4 ...
Страница 180: ...4 12 4 Troubleshooting WAVEFORMS 4 CVBS OUT Grey Bar 2 LVDS output ...
Страница 182: ...4 14 4 Troubleshooting Pin 19 Pin 20 Pin 34 Pin 35 Pin 2 Pin 4 ...
Страница 183: ...4 15 4 Troubleshooting WAVEFORMS 2 LVDS output ...
Страница 185: ...4 17 4 Troubleshooting R408 Pin 19 Pin 20 Pin 34 Pin 35 TP V2CVBS ...
Страница 186: ...4 18 4 Troubleshooting WAVEFORMS 4 CVBS OUT Grey Bar 2 LVDS output ...
Страница 188: ...4 20 4 Troubleshooting Pin 19 Pin 20 Pin 34 Pin 35 R725 R728 R727 R703 R702 R704 ...
Страница 189: ...4 21 4 Troubleshooting WAVEFORMS 5 Compnent_Y Gray scale Pb Pr Color bar 2 LVDS output ...
Страница 191: ...4 23 4 Troubleshooting C180 C177 C179 C178 R749 R748 C133 R416 C112 R740 R741 TP V2SR V2SL R745 R744 R712 R713 ...
Страница 192: ...4 24 4 Troubleshooting WAVEFORMS 6 I2C Data 7 Speaker out ...
Страница 212: ...6 6 6 Wiring Diagram Memo ...