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PN58C6400TFXZA
TROUBLESHOOTING VIDEO PROBLEMS
1. Verify Video Operation
a)
Customer Picture Test (if available)
"Display"
b)
(If display is OK source is suspected)
c)
Substitute with known good Source
(external DVD or Signal Generator
3. Determine cause
a) If Logic pattern is NG; Logic
board, Logic buffers or
Panel are suspect.
b) If FBE patterns is NG and
Logic is OK; Main or LVDS
cable are suspect.
c)
If both are OK it is likely a
source issue.
Fast Track Troubleshooting Manual
)
2. Using Test Patterns in Service Mode
- ENTERING SERVICE MODE –
Customer Remote:
1.
Power off
2.
Mute, 182, Power
Service Remote:
1. Power On
2. Info, Factory
4
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