
4. Troubleshooting
4-1. Troubleshooting
4-1-1. Previous Check
Check the various cable connections first.
1.
Check to see if there is a burnt or damaged cable.
-
Check to see if there is a disconnected or loose cable connection.
-
Check to see if the cables are connected according to the connection diagram.
-
Check the power input to the Main Board.
2.
How to distinguish if the problem is caused by
3.
Main Board
or
T CON
No Video
-
If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster than nomal booting,
replace the T-CON board.
Distorted Picture
-
Check the inner patterns.
For All mode
•
X10+
Echo_FS FRC Post
Picture
Problem
OK
OK
NG
Main Board or Signal Source
NG
OK
NG
Main Board
NG
NG
NG
Main Board or LVDS cable or T CON or Panel
Only for HDMI mode (additional check)
•
HDMI
Picture
Problem
OK
NG
There is no problems after HDMI IC check HDMI source or HDMI jack.
NG
NG
There is no problems before HDMI IC check X10+ pattern or LVDS cable or T CON
4-1
4. Troubleshooting
Summary of Contents for UN FH6200F Series
Page 33: ...Waveforms 1 HDMI input RX_Data RX_Clk 2 LVDS output 4 9 4 Troubleshooting...
Page 35: ...Location of Parts Main Board_Front B A Detail Image A TUNER B 4 11 4 Troubleshooting...
Page 36: ...Waveforms 1 CVBS OUT Grey Bar 2 LVDS output 4 12 4 Troubleshooting...
Page 38: ...Location of Parts Main Board_Front B A Detail Image A TUNER B 4 14 4 Troubleshooting...
Page 39: ...Waveforms 1 CVBS OUT Grey Bar 2 CH_CLK CH_VALID 2 CH_CLK CH_VALID 4 15 4 Troubleshooting...
Page 41: ...Location of Parts Main Board_Front B A Detail Image A B 4 17 4 Troubleshooting...
Page 42: ...Waveforms 1 CVBS OUT Grey Bar 2 LVDS output 4 18 4 Troubleshooting...
Page 44: ...Location of Parts Main Board_Front B A Detail Image A B 4 20 4 Troubleshooting...
Page 47: ...Location of Parts Main Board_Front B A Detail Image A B 4 23 4 Troubleshooting...