Troubleshooting; Previous Check - Samsung UN32H6350AF Service Manual

4. Troubleshooting

4-1. Troubleshooting

4-1-1. Previous Check

1. Check the various cable connections first.
- 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.
2. Check the power input to the Main Board.
Main Board
3. How to distinguish if the problem is caused by
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
X12 FOX_FT1 FRC Post
OK
NG
NG
• Only for HDMI mode (additional check)
HDMI Picture
OK
NG
Power Cable
LVDS Cable
T-con Board
Speaker
Main Board or T CON
OK
OK
NG
NG There is no problems after HDMI IC check HDMI source or HDMI jack.
NG There is no problems before HDMI IC check X12 pattern or LVDS cable or T CON
Power Board
Picture
NG Main Board or Signal Source
NG Main Board
NG Main Board or LVDS cable or T CON or Panel
Problem
4. Troubleshooting
Problem
4-1