Samsung UE32C6000 - No Video (HDMI 1, 2, 3, 4 - Digital Signal)

4-15
4. Troubleshooting
4-1-3. No Video (HDMI 1, 2, 3, 4 - Digital Signal)
Symptom Audio is normal but no picture is displayed on the screen. -
Major
checkpoints
Check the HDMI source. -
Check the HDMI switch, Check the Valencia. -
Refer to the next page to check the lacation such a CN201 or IC201 SVC Manual mentioned. -
Diagnostics
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Check the LVDS cable?
Replace the T-con / LCD panel?
Yes
Yes
Yes
Yes
Yes
No
No
Check a set in the ‘Stand-by mode’.
Please, Contact Tech support.
Input the HDMI signal properly.
Check the HDMI source and
check the connection of HDMI cable ?
No
Check CN3013, CN3016,
CN3015, CN3010.
Check HDMI cable.
Change the Main Assy.
Check IC3013 (HDMI switch).
Change the Main Assy.
Check IC1101 and IC7001.
Change the Main Assy.
No
No
No
Check the signal at Input of Main board ?
D614  D3903
D611  D3905
D613  D3907
D604  D3901
Check the signal at Output of
‘HDMI switch IC’ ?
IC601  IC3013
Check the LVDS clk signal at output of
Main board ?(TX1~TX4)
TX2_BP, TX2_CN, TX2_CP, TX2_CLKN
TX4_BP, TX4_CN, TX2_CP, TX2_CLKN
6
6
5
Caution Make sure to disconnect the power before working on the IP board.