4-38
4. Troubleshooting
4-2. Alignments and Adjustments
4-2-1. General Alignment instruction
Usually, a color LCD-TV needs only slight touch-up adjustment upon installation.
1.
Check the basic characteristics such as height, horizontal and vertical sync.
Use the specified test equipment or its equivalent.
2.
Correct impedance matching is essential.
3.
Avoid overload. Excessive signal from a sweep generator might overload the front-end
4.
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
5.
the backcover nameplate.
Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure
6.
that the power cord is disconnected before replacing any parts.
To protect against shock hazard, use an isolation transformer.
7.
Summary of Contents for UN46C7000WF
Page 68: ...4 3 4 Troubleshooting ...
Page 79: ...4 14 4 Troubleshooting Location Main TOP BOTTOM A B Detail A CN401 B IC6001 ...
Page 80: ...4 15 4 Troubleshooting WAVEFORMS 1 2 PC Input V Sync H Sync 3 LVDS Out CLK ...
Page 82: ...4 17 4 Troubleshooting Location Main TOP BOTTOM A C B Detail A IC501 B CN2101 C IC1001 ...
Page 85: ...4 20 4 Troubleshooting Location Main TOP BOTTOM A C B Detail A TU701 B CN2101 C IC1001 ...
Page 86: ...4 21 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar 6 Eagle Out Clk H Sync ...
Page 88: ...4 23 4 Troubleshooting Location Main TOP BOTTOM A C B Detail A TU701 B CN2101 C IC1001 ...
Page 89: ...4 24 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar 7 TS DATA Out Clk Data 0 ...
Page 91: ...4 26 4 Troubleshooting Location Main TOP BOTTOM A C B Detail A CN408 R439 B CN2101 C IC1001 ...
Page 92: ...4 27 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar ...
Page 95: ...4 30 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar 9 Component Input Y Pb ...
Page 97: ...4 32 4 Troubleshooting Location Main TOP BOTTOM A B Detail A CN407 B CN302 CN2101 IC303 ...