Download  Print this page

Advertisement

4-2-3. No Video (HDMI 1, 2, 3, 4 - Digital Signal)
※ Refer to the next page to check the lacation such a CN201 or IC201 SVC Manual mentioned.
Symptom
Audio is normal but no picture is displayed on the screen.
-
Check the HDMI source.
-
Major
Check the HDMI switch, Check the Valencia.
-
checkpoints
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
6
6
Diagnostics
5
Caution
Make sure to disconnect the power before working on the IP board.
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Yes
Check the HDMI source and
check the connection of HDMI cable ?
Yes
Check the signal at Input of Main board ?
HDMI1 Clk : Pin #1,#2 of D614
DATA : Pin #3, #4 of D614
HDMI2 Clk : Pin #1,#2 of D611
DATA : Pin #3, #4 of D611
HDMI3 Clk : Pin #1,#2 of D613
DATA : Pin #3, #4 of D613
HDMI4 Clk : Pin #1,#2 of D604
DATA : Pin #3, #4 of D604
Yes
Check the signal at Output of 'HDMI switch
IC' ?
HDMI RX_Clk : Pin#62~63 of IC601
RX_Data : Pin#56~61 of IC601
Yes
Check the LVDS clk signal
at output of Main board.(TX1~TX4)
TX1_CLK : TP1978 ~1979
TX2_CLK : TP1980 ~1981
TX3_CLK : TP19102 ~19103
TX4_CLK : TP19104 ~19105
Yes
Check the LVDS cable?
Replace the T-con / LCD panel?
No
Check a set in the 'Stand-by mode'.
No
Input the HDMI signal properly.
Check CN601~4.
No
Check HDMI cable.
Change the Main Assy.
Check IC1401(HDMI switch).
No
Change the Main Assy.
Check IC1101(Valencia) and
No
IC1701(Reading).
Change the Main Assy.
No
Please, Contact Tech support.
4. Troubleshooting
4-13

Advertisement

Table of Contents

   Also See for Samsung UN40C6300SF

   Related Manuals for Samsung UN40C6300SF

Comments to this Manuals

Symbols: 0
Latest comments: