Panasonic TH-42PA50A - Multi-Window Functionality; Managing Multi-Window Displays

8.4. Local screen failure
Plasma display may have local area failure on the screen. Fig - 1 is the possible defect P.C.B. for each local area.
Fig - 1
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TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M