4-2-5. No Video (Video AV)
Note
Refer to the next page to check the location such a CN201 or IC201 SVC Manual mentioned.
Symptom
Audio is normal but no picture is displayed on the screen.
•
Major
checkpoints
Check the Video CVBS source.
•
This may happen when the LVDS cable connecting the Main Board and the Panel is
•
disconnected.
Diagnostics
Power indicator LED is off.
Lamp(Backlight) on, no video ?
No
Check a set in the ‘Stand-by mode’.
Yes
Check the video source and check the
connection of video cable?
No
Input the video source properly.
Yes
2
Check the LVDS clk signal at output of
Main board. (TX)
TX6_CLK : TCON SDA
-
TX8_DATA : TCON SCL
-
No
Check IC1400(NT14U).
Change the Main Ass’y.
Yes
Check the LVDS cable?
Replace the T CON / LCD panel?
No
Please, Contact tech support.
Caution
Make sure to disconnect the power before working on the IP Board.
4-16
4. Troubleshooting
Содержание UN40HU6900F
Страница 14: ...2 5 2 Product specifications Item UN HU6900FXZA Accessory Power Cable Yes Slim Gender Cable N A ...
Страница 31: ...Waveforms 1 HDMI input RX_Data RX_Clk 2 LVDS output 4 9 4 Troubleshooting ...
Страница 34: ...Waveforms 1 CVBS OUT Grey Bar 2 LVDS output 4 12 4 Troubleshooting ...
Страница 36: ...Location of Parts Main Board_Front A B Detail A Pin 4 B3 3V Pin 1 A3 3V B 4 14 4 Troubleshooting ...
Страница 37: ...Waveforms 1 LVDS output 2 CH_CLK CH_VALID 2 CH_CLK CH_VALID 4 15 4 Troubleshooting ...
Страница 39: ...Location of Parts Main Board_Front A B Detail A R1019 C1011 COMP2_Y_CVBS B 4 17 4 Troubleshooting ...
Страница 40: ...Waveforms 1 CVBS OUT Grey Bar 2 LVDS output 4 18 4 Troubleshooting ...
Страница 64: ...Factory Menu Name Data Range G10_Gain B10_Gain 4 42 4 Troubleshooting ...
Страница 77: ...5 1 5 Wiring Diagram 5 Wiring Diagram 5 1 Wiring Diagram ...