Samsung LE40N71B - No Video (Digital-HDMI)

4 Troubleshooting
4-5
4-2-3 No Video (Digital-HDMI)
Check the connection
of HDMI cable?
Input a HDMI cable.
Yes
Does the digital data appear at
R4004~R4011?
Check a a IC 4001
Change a main PCB ass'y.
Yes
Yes
Does the digital data
appear at output of IC4001
LVDS(RA4016~18)?
Check a IC4001
Change a main PCB ass'y.
Yes
Power Indicator is off.
Lamp on, no video.
No
No
No
3
2
Yes
Check a LVDS cable?
Replace a lcd panel?
Please, Call to Samsung Co. LTD.
No
Does the digital data appear
at the output of IC4003
(RA4014,15_1CH,
R4132,33_1CH)?
Check IC4003
Change a main PCB ass'y.
No