LG 50PS80 Series, Руководство по обучению

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67
August 2009 Plasma 50PS80
Y DRIVE UPPER AND LOWER PWB SECTION
Y DRIVE UPPER AND LOWER PWB SECTION
The following section gives detailed information about the
Y Drive boards (Upper and Lower). These boards deliver the
“Y Drive Sustain Signals” to the Panel’s horizontal electrodes,
(This determines the Vertical resolution of the panel).
Each Y Drive board contains 6 buffers (12 total) driving 8 flexible
ribbon cables connecting 1080 horizontal electrodes.
These boards have no DC adjustments.
These boards receives their main B+ from the Y
These boards receives their main B+ from the Y
-
-
SUS PWB:
SUS PWB:
•
•
Floating ground 5V from the Switched Mode Power
Floating ground 5V from the Switched Mode Power
Supply on the Y
Supply on the Y
-
-
SUS board.
SUS board.
(Must be measured from the Floating Ground).
(Must be measured from the Floating Ground).
•
•
Y Scan signal (over 500V peak/peak from the Y
Y Scan signal (over 500V peak/peak from the Y
-
-
SUS board.
SUS board.
•
•
Logic signals from the Control board, routed through Y
Logic signals from the Control board, routed through Y
-
-
SUS.
SUS.