Samsung UN32B6000VFXZA Service Manual page 57

4-1-2. No Video (Analog PC signal)
Symptom Audio is normal but no picture is displayed on the screen.
-
Check the PC source
-
Major
Check the IC601(chelsea)
-
checkpoints
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
Caution Make sure to disconnect the power before working on the IP board.
Diagnostics
1
2
CN1204
No video
Yes
Check the PC source and
check the connection of DSUB?
Yes
Does the signal appear at pin1,2,3,13,14
(R,G,B,H,V) of CN1204?
Yes
Does the digital data appear at output
of IC501?
Yes
Check the LVDS cable?
Replace the LCD panel?
R322
R320
R321
Input an analog PC signal.
No
Check the connected cable.
No
Change the PC cable. Change the main
PCB assembly
No Change the IC501 or the main PCB
No
Please, contact Tech support
4. Troubleshooting
IC501
PC cable.
assembly
4-9