Panasonic Viera TC-P50ST50, Руководство по устранению неисправностей

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Troubleshooting Horizontal Line Problem
SS,SS2
SS,SS2
SU
SU
PDP panel
SC
SC
Scan Drive：
Pulse timing is shifted each horizontal electrode.
・・・
・・・
・・・
SCAN
DRIVE
IC
1 line abnormal
SD
SD
Sustain Drive：
All the lines are same waveform.
All the lines are connected mutually.
SS board doesn't cause
horizontal lines problems. All
the electrodes on SS board are
common. If horizontal line is showed, it is possible that defect
of one pin of scan drive IC or failure of connection to
the panel or damage of electrode on the panel.
When FFC is damaged, it is needed to
replace the panel The FFC is bonded
to the panel directly.
Slide 36