Samsung PS43E450A1WXZG, Руководство по обслуживанию

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4. Troubleshooting
4.1.5. Faults and Corrective Actions
Symptom Related Image Causes and Countermeasures
A blank vertical cell (block)
appears on the screen. • Address buffer defect
• Replace the corresponding upper/lower
buffers.
•
COF defect (burnt)
• Replace the module.
A green screen appears when
the TV is turned on. •
The Scale is not resecting.
•
Replace the Main board.
The OSD box appears but there
is no text. • Incorrect program version.
• Check the version of each program.
• Replace the Main board.
A blank upper (or lower) block
appears on the screen. •
Upper/Lower Y Buffer defect
•
Replace the corresponding upper/
lower buffers.
Either the main or sub picture
does not appear. •
Replace the Main board.