No Video (Hdmi - Digital Signal) - Samsung LA19C350D1 Service Manual

4-1-3. No Video (HDMI - Digital Signal)

Symptom Audio is normal but no picture is displayed on the screen.
-
Check the HDMI source
-
Major
Check the M-star
-
checkpoints
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
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1
2
Diagnostics
3
Caution Make sure to disconnect the power before working on the IP board.
19"/22"_C350
Power Indicator is off.
Lamp on, no video.
Yes
Check the connection
of HDMI cable?
Yes
Does the digital data appear at
R4065~R4072?
Yes
Does the digital data appear at
output of LVDS Cable?
Yes
Check the LVDS cable?
Replace the LCD panel?
Yes
Please, Contact Tech support
Input a HDMI cable.
No
No
Check a IC4000.
Change a main PCB ass'y.
No
Check a IC4000.
Change a main PCB ass'y.
4. Troubleshooting
26"/32"_C350
4-5