Example Of Trouble Shooting - Samsung PA43H4100AR Service Manual

4. Troubleshooting

4.2.4. Example of Trouble Shooting

Symptom
A blank vertical cell (block) appears
on the screen.
A green screen appears when the
TV is turned on.
The OSD box appears but there is
not text.
A blank upper (or lower) block
appears on the Screen.
Either the main or sub picture does
not appear.
A green dots appears on the screen.
4-9
Related Image
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Causes and Countermeasures
Address buffer defect.
• Replace the corresponding upper/lower
buffers (E/F).
COF Film defect (burnt).
• Replace the module.
The Scale is not reseting.
• Replace the Main Board.
Incorrect program version.
Replace the corresponding Upper / Lower
•
buffers (E, F).
Upper / Lower Y buffer defect.
Check the version of each Program.
•
Replace the Main Board.
•
Repace the Main Board.
The SMPS voltage is incorrect.
Adjust the SMPS voltage according to the
•
voltage printed on the module label.